Merge branch 'EXCEPTION_MGR' of ssh://git.postgresql.org/pgpool2 into EXCEPTION_MGREXCEPTION_MGR

Conflicts:
	src/auth/pool_auth.c
	src/config/pool_config.c
	src/context/pool_query_context.c
	src/libs/pcp/Makefile.am
	src/libs/pcp/Makefile.in
	src/libs/pcp/pcp.c
	src/main/main.c
	src/main/pgpool_main.c
	src/protocol/child.c
	src/protocol/pool_proto_modules.c
	src/tools/pgmd5/Makefile.am

11 files changed, 5106 insertions, 40 deletions

diff --git a/src/auth/pool_auth.c b/src/auth/pool_auth.c
index e56041385..9188491f1 100644
--- a/src/auth/pool_auth.c
+++ b/src/auth/pool_auth.c
@@ -410,10 +410,11 @@ int pool_do_auth(POOL_CONNECTION *frontend, POOL_CONNECTION_POOL *cp)
 	}
 
 	if (pid == -1)
+	{
 		ereport(ERROR,
                 (errmsg("authentication failed"),
-                 errdetail("all backends are down")));
-
+                 errdetail("pool_do_auth: all backends are down")));
+	}
 	if(pool_send_backend_key_data(frontend, pid, key, protoMajor))
 		ereport(ERROR,
 			(errmsg("authentication failed"),
diff --git a/src/config/pool_config.c b/src/config/pool_config.c
new file mode 100644
index 000000000..fb22b9b0a
--- /dev/null
+++ b/src/config/pool_config.c
@@ -0,0 +1,5066 @@
+
+#line 3 "config/pool_config.c"
+
+#define  YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 5
+#define YY_FLEX_SUBMINOR_VERSION 35
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+/* First, we deal with  platform-specific or compiler-specific issues. */
+
+/* begin standard C headers. */
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+
+/* end standard C headers. */
+
+/* flex integer type definitions */
+
+#ifndef FLEXINT_H
+#define FLEXINT_H
+
+/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types. 
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
+#endif
+
+#include <inttypes.h>
+typedef int8_t flex_int8_t;
+typedef uint8_t flex_uint8_t;
+typedef int16_t flex_int16_t;
+typedef uint16_t flex_uint16_t;
+typedef int32_t flex_int32_t;
+typedef uint32_t flex_uint32_t;
+#else
+typedef signed char flex_int8_t;
+typedef short int flex_int16_t;
+typedef int flex_int32_t;
+typedef unsigned char flex_uint8_t; 
+typedef unsigned short int flex_uint16_t;
+typedef unsigned int flex_uint32_t;
+
+/* Limits of integral types. */
+#ifndef INT8_MIN
+#define INT8_MIN               (-128)
+#endif
+#ifndef INT16_MIN
+#define INT16_MIN              (-32767-1)
+#endif
+#ifndef INT32_MIN
+#define INT32_MIN              (-2147483647-1)
+#endif
+#ifndef INT8_MAX
+#define INT8_MAX               (127)
+#endif
+#ifndef INT16_MAX
+#define INT16_MAX              (32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX              (2147483647)
+#endif
+#ifndef UINT8_MAX
+#define UINT8_MAX              (255U)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX             (65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX             (4294967295U)
+#endif
+
+#endif /* ! C99 */
+
+#endif /* ! FLEXINT_H */
+
+#ifdef __cplusplus
+
+/* The "const" storage-class-modifier is valid. */
+#define YY_USE_CONST
+
+#else	/* ! __cplusplus */
+
+/* C99 requires __STDC__ to be defined as 1. */
+#if defined (__STDC__)
+
+#define YY_USE_CONST
+
+#endif	/* defined (__STDC__) */
+#endif	/* ! __cplusplus */
+
+#ifdef YY_USE_CONST
+#define yyconst const
+#else
+#define yyconst
+#endif
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+
+/* Promotes a possibly negative, possibly signed char to an unsigned
+ * integer for use as an array index.  If the signed char is negative,
+ * we want to instead treat it as an 8-bit unsigned char, hence the
+ * double cast.
+ */
+#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
+
+/* Enter a start condition.  This macro really ought to take a parameter,
+ * but we do it the disgusting crufty way forced on us by the ()-less
+ * definition of BEGIN.
+ */
+#define BEGIN (yy_start) = 1 + 2 *
+
+/* Translate the current start state into a value that can be later handed
+ * to BEGIN to return to the state.  The YYSTATE alias is for lex
+ * compatibility.
+ */
+#define YY_START (((yy_start) - 1) / 2)
+#define YYSTATE YY_START
+
+/* Action number for EOF rule of a given start state. */
+#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
+
+/* Special action meaning "start processing a new file". */
+#define YY_NEW_FILE yyrestart(yyin  )
+
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k.
+ * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
+ * Ditto for the __ia64__ case accordingly.
+ */
+#define YY_BUF_SIZE 32768
+#else
+#define YY_BUF_SIZE 16384
+#endif /* __ia64__ */
+#endif
+
+/* The state buf must be large enough to hold one state per character in the main buffer.
+ */
+#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
+
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
+
+extern int yyleng;
+
+extern FILE *yyin, *yyout;
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+
+    #define YY_LESS_LINENO(n)
+    
+/* Return all but the first "n" matched characters back to the input stream. */
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up yytext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		*yy_cp = (yy_hold_char); \
+		YY_RESTORE_YY_MORE_OFFSET \
+		(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
+		} \
+	while ( 0 )
+
+#define unput(c) yyunput( c, (yytext_ptr)  )
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef size_t yy_size_t;
+#endif
+
+#ifndef YY_STRUCT_YY_BUFFER_STATE
+#define YY_STRUCT_YY_BUFFER_STATE
+struct yy_buffer_state
+	{
+	FILE *yy_input_file;
+
+	char *yy_ch_buf;		/* input buffer */
+	char *yy_buf_pos;		/* current position in input buffer */
+
+	/* Size of input buffer in bytes, not including room for EOB
+	 * characters.
+	 */
+	yy_size_t yy_buf_size;
+
+	/* Number of characters read into yy_ch_buf, not including EOB
+	 * characters.
+	 */
+	int yy_n_chars;
+
+	/* Whether we "own" the buffer - i.e., we know we created it,
+	 * and can realloc() it to grow it, and should free() it to
+	 * delete it.
+	 */
+	int yy_is_our_buffer;
+
+	/* Whether this is an "interactive" input source; if so, and
+	 * if we're using stdio for input, then we want to use getc()
+	 * instead of fread(), to make sure we stop fetching input after
+	 * each newline.
+	 */
+	int yy_is_interactive;
+
+	/* Whether we're considered to be at the beginning of a line.
+	 * If so, '^' rules will be active on the next match, otherwise
+	 * not.
+	 */
+	int yy_at_bol;
+
+    int yy_bs_lineno; /**< The line count. */
+    int yy_bs_column; /**< The column count. */
+    
+	/* Whether to try to fill the input buffer when we reach the
+	 * end of it.
+	 */
+	int yy_fill_buffer;
+
+	int yy_buffer_status;
+
+#define YY_BUFFER_NEW 0
+#define YY_BUFFER_NORMAL 1
+	/* When an EOF's been seen but there's still some text to process
+	 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
+	 * shouldn't try reading from the input source any more.  We might
+	 * still have a bunch of tokens to match, though, because of
+	 * possible backing-up.
+	 *
+	 * When we actually see the EOF, we change the status to "new"
+	 * (via yyrestart()), so that the user can continue scanning by
+	 * just pointing yyin at a new input file.
+	 */
+#define YY_BUFFER_EOF_PENDING 2
+
+	};
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
+
+/* Stack of input buffers. */
+static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
+static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
+static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
+
+/* We provide macros for accessing buffer states in case in the
+ * future we want to put the buffer states in a more general
+ * "scanner state".
+ *
+ * Returns the top of the stack, or NULL.
+ */
+#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
+                          ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
+                          : NULL)
+
+/* Same as previous macro, but useful when we know that the buffer stack is not
+ * NULL or when we need an lvalue. For internal use only.
+ */
+#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
+
+/* yy_hold_char holds the character lost when yytext is formed. */
+static char yy_hold_char;
+static int yy_n_chars;		/* number of characters read into yy_ch_buf */
+int yyleng;
+
+/* Points to current character in buffer. */
+static char *yy_c_buf_p = (char *) 0;
+static int yy_init = 0;		/* whether we need to initialize */
+static int yy_start = 0;	/* start state number */
+
+/* Flag which is used to allow yywrap()'s to do buffer switches
+ * instead of setting up a fresh yyin.  A bit of a hack ...
+ */
+static int yy_did_buffer_switch_on_eof;
+
+void yyrestart (FILE *input_file  );
+void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer  );
+YY_BUFFER_STATE yy_create_buffer (FILE *file,int size  );
+void yy_delete_buffer (YY_BUFFER_STATE b  );
+void yy_flush_buffer (YY_BUFFER_STATE b  );
+void yypush_buffer_state (YY_BUFFER_STATE new_buffer  );
+void yypop_buffer_state (void );
+
+static void yyensure_buffer_stack (void );
+static void yy_load_buffer_state (void );
+static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file  );
+
+#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER )
+
+YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size  );
+YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str  );
+YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len  );
+
+void *yyalloc (yy_size_t  );
+void *yyrealloc (void *,yy_size_t  );
+void yyfree (void *  );
+
+#define yy_new_buffer yy_create_buffer
+
+#define yy_set_interactive(is_interactive) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){ \
+        yyensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            yy_create_buffer(yyin,YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
+	}
+
+#define yy_set_bol(at_bol) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){\
+        yyensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            yy_create_buffer(yyin,YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
+	}
+
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* Begin user sect3 */
+
+#define yywrap(n) 1
+#define YY_SKIP_YYWRAP
+
+typedef unsigned char YY_CHAR;
+
+FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
+
+typedef int yy_state_type;
+
+extern int yylineno;
+
+int yylineno = 1;
+
+extern char *yytext;
+#define yytext_ptr yytext
+
+static yy_state_type yy_get_previous_state (void );
+static yy_state_type yy_try_NUL_trans (yy_state_type current_state  );
+static int yy_get_next_buffer (void );
+static void yy_fatal_error (yyconst char msg[]  );
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up yytext.
+ */
+#define YY_DO_BEFORE_ACTION \
+	(yytext_ptr) = yy_bp; \
+	yyleng = (size_t) (yy_cp - yy_bp); \
+	(yy_hold_char) = *yy_cp; \
+	*yy_cp = '\0'; \
+	(yy_c_buf_p) = yy_cp;
+
+#define YY_NUM_RULES 11
+#define YY_END_OF_BUFFER 12
+/* This struct is not used in this scanner,
+   but its presence is necessary. */
+struct yy_trans_info
+	{
+	flex_int32_t yy_verify;
+	flex_int32_t yy_nxt;
+	};
+static yyconst flex_int16_t yy_accept[38] =
+    {   0,
+        0,    0,   12,   10,    2,    1,   10,   10,   10,    8,
+        7,    7,    9,    4,    2,    0,    3,    0,    5,    0,
+        8,    7,    7,    8,    0,    0,    6,    4,    4,    0,
+        5,    0,    0,    8,    7,    6,    0
+    } ;
+
+static yyconst flex_int32_t yy_ec[256] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
+        1,    1,    2,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    2,    1,    1,    4,    1,    1,    1,    5,    1,
+        1,    1,    6,    1,    7,    8,    9,   10,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,    9,    1,    1,
+       12,    1,    1,    1,   13,   13,   13,   13,   14,   13,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+        1,   16,    1,    1,   17,    1,   13,   13,   13,   13,
+
+       14,   13,   15,   15,   15,   15,   15,   15,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   18,
+       15,   15,    1,    1,    1,    1,    1,   15,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+       15,   15,   15,   15,   15
+    } ;
+
+static yyconst flex_int32_t yy_meta[19] =
+    {   0,
+        1,    1,    2,    1,    1,    1,    3,    3,    3,    4,
+        4,    1,    5,    4,    3,    1,    3,    3
+    } ;
+
+static yyconst flex_int16_t yy_base[45] =
+    {   0,
+        0,    0,   61,   86,   58,   86,   55,   14,   23,   43,
+       10,   46,   86,   28,   47,   40,   86,   16,   86,   22,
+       28,    0,    0,    0,   40,    0,   24,   45,    0,   24,
+       39,   43,   12,   14,    0,   22,   86,   62,   67,   22,
+       70,   75,   77,   80
+    } ;
+
+static yyconst flex_int16_t yy_def[45] =
+    {   0,
+       37,    1,   37,   37,   37,   37,   38,   39,   37,   40,
+        9,    9,   37,   41,   37,   38,   37,   39,   37,   42,
+       40,   11,   12,   21,   37,   43,   44,   41,   28,   39,
+       39,   42,   37,   37,   43,   44,    0,   37,   37,   37,
+       37,   37,   37,   37
+    } ;
+
+static yyconst flex_int16_t yy_nxt[105] =
+    {   0,
+        4,    5,    6,    7,    8,    9,    9,   10,    4,   11,
+       12,   13,   14,   14,   14,    4,   14,   14,   19,   23,
+       19,   34,   34,   34,   34,   24,   31,   26,   19,   20,
+       21,   20,   22,   23,   27,   27,   27,   32,   36,   20,
+       36,   25,   17,   19,   29,   33,   33,   31,   15,   34,
+       34,   27,   27,   27,   20,   23,   25,   17,   32,   15,
+       37,   29,   16,   16,   16,   16,   16,   18,   37,   18,
+       18,   18,   28,   28,   28,   30,   37,   30,   30,   30,
+       35,   35,   27,   27,   27,    3,   37,   37,   37,   37,
+       37,   37,   37,   37,   37,   37,   37,   37,   37,   37,
+
+       37,   37,   37,   37
+    } ;
+
+static yyconst flex_int16_t yy_chk[105] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    8,   11,
+       18,   33,   33,   34,   34,   40,   20,   11,   30,    8,
+        9,   18,    9,    9,   14,   14,   14,   20,   36,   30,
+       27,   21,   16,   31,   14,   25,   25,   32,   15,   25,
+       25,   28,   28,   28,   31,   12,   10,    7,   32,    5,
+        3,   28,   38,   38,   38,   38,   38,   39,    0,   39,
+       39,   39,   41,   41,   41,   42,    0,   42,   42,   42,
+       43,   43,   44,   44,   44,   37,   37,   37,   37,   37,
+       37,   37,   37,   37,   37,   37,   37,   37,   37,   37,
+
+       37,   37,   37,   37
+    } ;
+
+static yy_state_type yy_last_accepting_state;
+static char *yy_last_accepting_cpos;
+
+extern int yy_flex_debug;
+int yy_flex_debug = 0;
+
+/* The intent behind this definition is that it'll catch
+ * any uses of REJECT which flex missed.
+ */
+#define REJECT reject_used_but_not_detected
+#define yymore() yymore_used_but_not_detected
+#define YY_MORE_ADJ 0
+#define YY_RESTORE_YY_MORE_OFFSET
+char *yytext;
+#line 1 "pool_config.l"
+/* -*-pgsql-c-*- */
+/*
+ *
+ * $Header$
+ *
+ * pgpool: a language independent connection pool server for PostgreSQL
+ * written by Tatsuo Ishii
+ *
+ * Copyright (c) 2003-2014	PgPool Global Development Group
+ *
+ * Permission to use, copy, modify, and distribute this software and
+ * its documentation for any purpose and without fee is hereby
+ * granted, provided that the above copyright notice appear in all
+ * copies and that both that copyright notice and this permission
+ * notice appear in supporting documentation, and that the name of the
+ * author not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. The author makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * pool_config.l: read configuration file
+ *
+ */
+#line 27 "pool_config.l"
+#include "pool.h"
+#include "pool_config.h"
+#ifndef POOL_PRIVATE
+#include "utils/elog.h"
+#else
+#include "utils/fe_ports.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define CHECK_CONTEXT(mask, context) ((mask) & (context))
+
+#ifdef POOL_PRIVATE
+
+/* we do not have elog api for pg_md5 utility*/
+/* include/utils/elog.h */
+#define ereport(elevel, rest) printf("pool_config: error at %s:%d\n", __FILE__, __LINE__)
+#define ereport(elevel, rest) printf("pool_config: error at %s:%d\n", __FILE__, __LINE__)
+
+#endif
+
+/* to shut off compiler warnings */
+int yylex(void);
+
+POOL_CONFIG *pool_config;	/* configuration values */
+POOL_SYSTEMDB_CONNECTION_POOL *system_db_info;
+static unsigned Lineno;
+static char *default_reset_query_list[] = {"ABORT", "DISCARD ALL"};
+static char *default_black_function_list[] = {"nextval", "setval"};
+
+typedef enum {
+  POOL_KEY = 1,
+  POOL_INTEGER,
+  POOL_REAL,
+  POOL_STRING,
+  POOL_UNQUOTED_STRING,
+  POOL_EQUALS,
+  POOL_EOL,
+  POOL_PARSE_ERROR
+} POOL_TOKEN;
+
+static char *extract_string(char *value, POOL_TOKEN token);
+static char **extract_string_tokens(char *str, char *delim, int *n);
+static void clear_host_entry(int slot);
+
+#line 567 "config/pool_config.c"
+
+#define INITIAL 0
+
+#ifndef YY_NO_UNISTD_H
+/* Special case for "unistd.h", since it is non-ANSI. We include it way
+ * down here because we want the user's section 1 to have been scanned first.
+ * The user has a chance to override it with an option.
+ */
+#include <unistd.h>
+#endif
+
+#ifndef YY_EXTRA_TYPE
+#define YY_EXTRA_TYPE void *
+#endif
+
+static int yy_init_globals (void );
+
+/* Accessor methods to globals.
+   These are made visible to non-reentrant scanners for convenience. */
+
+int yylex_destroy (void );
+
+int yyget_debug (void );
+
+void yyset_debug (int debug_flag  );
+
+YY_EXTRA_TYPE yyget_extra (void );
+
+void yyset_extra (YY_EXTRA_TYPE user_defined  );
+
+FILE *yyget_in (void );
+
+void yyset_in  (FILE * in_str  );
+
+FILE *yyget_out (void );
+
+void yyset_out  (FILE * out_str  );
+
+int yyget_leng (void );
+
+char *yyget_text (void );
+
+int yyget_lineno (void );
+
+void yyset_lineno (int line_number  );
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int yywrap (void );
+#else
+extern int yywrap (void );
+#endif
+#endif
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char *,yyconst char *,int );
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * );
+#endif
+
+#ifndef YY_NO_INPUT
+
+#ifdef __cplusplus
+static int yyinput (void );
+#else
+static int input (void );
+#endif
+
+#endif
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k */
+#define YY_READ_BUF_SIZE 16384
+#else
+#define YY_READ_BUF_SIZE 8192
+#endif /* __ia64__ */
+#endif
+
+/* Copy whatever the last rule matched to the standard output. */
+#ifndef ECHO
+/* This used to be an fputs(), but since the string might contain NUL's,
+ * we now use fwrite().
+ */
+#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
+#endif
+
+/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
+ * is returned in "result".
+ */
+#ifndef YY_INPUT
+#define YY_INPUT(buf,result,max_size) \
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
+		{ \
+		int c = '*'; \
+		size_t n; \
+		for ( n = 0; n < max_size && \
+			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
+			buf[n] = (char) c; \
+		if ( c == '\n' ) \
+			buf[n++] = (char) c; \
+		if ( c == EOF && ferror( yyin ) ) \
+			YY_FATAL_ERROR( "input in flex scanner failed" ); \
+		result = n; \
+		} \
+	else \
+		{ \
+		errno=0; \
+		while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
+			{ \
+			if( errno != EINTR) \
+				{ \
+				YY_FATAL_ERROR( "input in flex scanner failed" ); \
+				break; \
+				} \
+			errno=0; \
+			clearerr(yyin); \
+			} \
+		}\
+\
+
+#endif
+
+/* No semi-colon after return; correct usage is to write "yyterminate();" -
+ * we don't want an extra ';' after the "return" because that will cause
+ * some compilers to complain about unreachable statements.
+ */
+#ifndef yyterminate
+#define yyterminate() return YY_NULL
+#endif
+
+/* Number of entries by which start-condition stack grows. */
+#ifndef YY_START_STACK_INCR
+#define YY_START_STACK_INCR 25
+#endif
+
+/* Report a fatal error. */
+#ifndef YY_FATAL_ERROR
+#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
+#endif
+
+/* end tables serialization structures and prototypes */
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL_IS_OURS 1
+
+extern int yylex (void);
+
+#define YY_DECL int yylex (void)
+#endif /* !YY_DECL */
+
+/* Code executed at the beginning of each rule, after yytext and yyleng
+ * have been set up.
+ */
+#ifndef YY_USER_ACTION
+#define YY_USER_ACTION
+#endif
+
+/* Code executed at the end of each rule. */
+#ifndef YY_BREAK
+#define YY_BREAK break;
+#endif
+
+#define YY_RULE_SETUP \
+	YY_USER_ACTION
+
+/** The main scanner function which does all the work.
+ */
+YY_DECL
+{
+	register yy_state_type yy_current_state;
+	register char *yy_cp, *yy_bp;
+	register int yy_act;
+    
+#line 98 "pool_config.l"
+
+
+#line 755 "config/pool_config.c"
+
+	if ( !(yy_init) )
+		{
+		(yy_init) = 1;
+
+#ifdef YY_USER_INIT
+		YY_USER_INIT;
+#endif
+
+		if ( ! (yy_start) )
+			(yy_start) = 1;	/* first start state */
+
+		if ( ! yyin )
+			yyin = stdin;
+
+		if ( ! yyout )
+			yyout = stdout;
+
+		if ( ! YY_CURRENT_BUFFER ) {
+			yyensure_buffer_stack ();
+			YY_CURRENT_BUFFER_LVALUE =
+				yy_create_buffer(yyin,YY_BUF_SIZE );
+		}
+
+		yy_load_buffer_state( );
+		}
+
+	while ( 1 )		/* loops until end-of-file is reached */
+		{
+		yy_cp = (yy_c_buf_p);
+
+		/* Support of yytext. */
+		*yy_cp = (yy_hold_char);
+
+		/* yy_bp points to the position in yy_ch_buf of the start of
+		 * the current run.
+		 */
+		yy_bp = yy_cp;
+
+		yy_current_state = (yy_start);
+yy_match:
+		do
+			{
+			register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
+			if ( yy_accept[yy_current_state] )
+				{
+				(yy_last_accepting_state) = yy_current_state;
+				(yy_last_accepting_cpos) = yy_cp;
+				}
+			while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+				{
+				yy_current_state = (int) yy_def[yy_current_state];
+				if ( yy_current_state >= 38 )
+					yy_c = yy_meta[(unsigned int) yy_c];
+				}
+			yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+			++yy_cp;
+			}
+		while ( yy_current_state != 37 );
+		yy_cp = (yy_last_accepting_cpos);
+		yy_current_state = (yy_last_accepting_state);
+
+yy_find_action:
+		yy_act = yy_accept[yy_current_state];
+
+		YY_DO_BEFORE_ACTION;
+
+do_action:	/* This label is used only to access EOF actions. */
+
+		switch ( yy_act )
+	{ /* beginning of action switch */
+			case 0: /* must back up */
+			/* undo the effects of YY_DO_BEFORE_ACTION */
+			*yy_cp = (yy_hold_char);
+			yy_cp = (yy_last_accepting_cpos);
+			yy_current_state = (yy_last_accepting_state);
+			goto yy_find_action;
+
+case 1:
+/* rule 1 can match eol */
+YY_RULE_SETUP
+#line 100 "pool_config.l"
+Lineno++; return POOL_EOL;
+	YY_BREAK
+case 2:
+YY_RULE_SETUP
+#line 101 "pool_config.l"
+/* eat whitespace */
+	YY_BREAK
+case 3:
+*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */
+(yy_c_buf_p) = yy_cp -= 1;
+YY_DO_BEFORE_ACTION; /* set up yytext again */
+YY_RULE_SETUP
+#line 102 "pool_config.l"
+/* eat comment */
+	YY_BREAK
+case 4:
+YY_RULE_SETUP
+#line 104 "pool_config.l"
+return POOL_KEY;
+	YY_BREAK
+case 5:
+YY_RULE_SETUP
+#line 105 "pool_config.l"
+return POOL_STRING;
+	YY_BREAK
+case 6:
+YY_RULE_SETUP
+#line 106 "pool_config.l"
+return POOL_UNQUOTED_STRING;
+	YY_BREAK
+case 7:
+YY_RULE_SETUP
+#line 107 "pool_config.l"
+return POOL_INTEGER;
+	YY_BREAK
+case 8:
+YY_RULE_SETUP
+#line 108 "pool_config.l"
+return POOL_REAL;
+	YY_BREAK
+case 9:
+YY_RULE_SETUP
+#line 109 "pool_config.l"
+return POOL_EQUALS;
+	YY_BREAK
+case 10:
+YY_RULE_SETUP
+#line 111 "pool_config.l"
+return POOL_PARSE_ERROR;
+	YY_BREAK
+case 11:
+YY_RULE_SETUP
+#line 113 "pool_config.l"
+ECHO;
+	YY_BREAK
+#line 893 "config/pool_config.c"
+case YY_STATE_EOF(INITIAL):
+	yyterminate();
+
+	case YY_END_OF_BUFFER:
+		{
+		/* Amount of text matched not including the EOB char. */
+		int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
+
+		/* Undo the effects of YY_DO_BEFORE_ACTION. */
+		*yy_cp = (yy_hold_char);
+		YY_RESTORE_YY_MORE_OFFSET
+
+		if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
+			{
+			/* We're scanning a new file or input source.  It's
+			 * possible that this happened because the user
+			 * just pointed yyin at a new source and called
+			 * yylex().  If so, then we have to assure
+			 * consistency between YY_CURRENT_BUFFER and our
+			 * globals.  Here is the right place to do so, because
+			 * this is the first action (other than possibly a
+			 * back-up) that will match for the new input source.
+			 */
+			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+			YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
+			}
+
+		/* Note that here we test for yy_c_buf_p "<=" to the position
+		 * of the first EOB in the buffer, since yy_c_buf_p will
+		 * already have been incremented past the NUL character
+		 * (since all states make transitions on EOB to the
+		 * end-of-buffer state).  Contrast this with the test
+		 * in input().
+		 */
+		if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+			{ /* This was really a NUL. */
+			yy_state_type yy_next_state;
+
+			(yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
+
+			yy_current_state = yy_get_previous_state(  );
+
+			/* Okay, we're now positioned to make the NUL
+			 * transition.  We couldn't have
+			 * yy_get_previous_state() go ahead and do it
+			 * for us because it doesn't know how to deal
+			 * with the possibility of jamming (and we don't
+			 * want to build jamming into it because then it
+			 * will run more slowly).
+			 */
+
+			yy_next_state = yy_try_NUL_trans( yy_current_state );
+
+			yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+
+			if ( yy_next_state )
+				{
+				/* Consume the NUL. */
+				yy_cp = ++(yy_c_buf_p);
+				yy_current_state = yy_next_state;
+				goto yy_match;
+				}
+
+			else
+				{
+				yy_cp = (yy_last_accepting_cpos);
+				yy_current_state = (yy_last_accepting_state);
+				goto yy_find_action;
+				}
+			}
+
+		else switch ( yy_get_next_buffer(  ) )
+			{
+			case EOB_ACT_END_OF_FILE:
+				{
+				(yy_did_buffer_switch_on_eof) = 0;
+
+				if ( yywrap( ) )
+					{
+					/* Note: because we've taken care in
+					 * yy_get_next_buffer() to have set up
+					 * yytext, we can now set up
+					 * yy_c_buf_p so that if some total
+					 * hoser (like flex itself) wants to
+					 * call the scanner after we return the
+					 * YY_NULL, it'll still work - another
+					 * YY_NULL will get returned.
+					 */
+					(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
+
+					yy_act = YY_STATE_EOF(YY_START);
+					goto do_action;
+					}
+
+				else
+					{
+					if ( ! (yy_did_buffer_switch_on_eof) )
+						YY_NEW_FILE;
+					}
+				break;
+				}
+
+			case EOB_ACT_CONTINUE_SCAN:
+				(yy_c_buf_p) =
+					(yytext_ptr) + yy_amount_of_matched_text;
+
+				yy_current_state = yy_get_previous_state(  );
+
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+				goto yy_match;
+
+			case EOB_ACT_LAST_MATCH:
+				(yy_c_buf_p) =
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
+
+				yy_current_state = yy_get_previous_state(  );
+
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+				goto yy_find_action;
+			}
+		break;
+		}
+
+	default:
+		YY_FATAL_ERROR(
+			"fatal flex scanner internal error--no action found" );
+	} /* end of action switch */
+		} /* end of scanning one token */
+} /* end of yylex */
+
+/* yy_get_next_buffer - try to read in a new buffer
+ *
+ * Returns a code representing an action:
+ *	EOB_ACT_LAST_MATCH -
+ *	EOB_ACT_CONTINUE_SCAN - continue scanning from current position
+ *	EOB_ACT_END_OF_FILE - end of file
+ */
+static int yy_get_next_buffer (void)
+{
+    	register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+	register char *source = (yytext_ptr);
+	register int number_to_move, i;
+	int ret_val;
+
+	if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
+		YY_FATAL_ERROR(
+		"fatal flex scanner internal error--end of buffer missed" );
+
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
+		{ /* Don't try to fill the buffer, so this is an EOF. */
+		if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
+			{
+			/* We matched a single character, the EOB, so
+			 * treat this as a final EOF.
+			 */
+			return EOB_ACT_END_OF_FILE;
+			}
+
+		else
+			{
+			/* We matched some text prior to the EOB, first
+			 * process it.
+			 */
+			return EOB_ACT_LAST_MATCH;
+			}
+		}
+
+	/* Try to read more data. */
+
+	/* First move last chars to start of buffer. */
+	number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;
+
+	for ( i = 0; i < number_to_move; ++i )
+		*(dest++) = *(source++);
+
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+		/* don't do the read, it's not guaranteed to return an EOF,
+		 * just force an EOF
+		 */
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
+
+	else
+		{
+			int num_to_read =
+			YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
+
+		while ( num_to_read <= 0 )
+			{ /* Not enough room in the buffer - grow it. */
+
+			/* just a shorter name for the current buffer */
+			YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
+
+			int yy_c_buf_p_offset =
+				(int) ((yy_c_buf_p) - b->yy_ch_buf);
+
+			if ( b->yy_is_our_buffer )
+				{
+				int new_size = b->yy_buf_size * 2;
+
+				if ( new_size <= 0 )
+					b->yy_buf_size += b->yy_buf_size / 8;
+				else
+					b->yy_buf_size *= 2;
+
+				b->yy_ch_buf = (char *)
+					/* Include room in for 2 EOB chars. */
+					yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2  );
+				}
+			else
+				/* Can't grow it, we don't own it. */
+				b->yy_ch_buf = 0;
+
+			if ( ! b->yy_ch_buf )
+				YY_FATAL_ERROR(
+				"fatal error - scanner input buffer overflow" );
+
+			(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
+
+			num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
+						number_to_move - 1;
+
+			}
+
+		if ( num_to_read > YY_READ_BUF_SIZE )
+			num_to_read = YY_READ_BUF_SIZE;
+
+		/* Read in more data. */
+		YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
+			(yy_n_chars), (size_t) num_to_read );
+
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	if ( (yy_n_chars) == 0 )
+		{
+		if ( number_to_move == YY_MORE_ADJ )
+			{
+			ret_val = EOB_ACT_END_OF_FILE;
+			yyrestart(yyin  );
+			}
+
+		else
+			{
+			ret_val = EOB_ACT_LAST_MATCH;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
+				YY_BUFFER_EOF_PENDING;
+			}
+		}
+
+	else
+		ret_val = EOB_ACT_CONTINUE_SCAN;
+
+	if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+		/* Extend the array by 50%, plus the number we really need. */
+		yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
+		YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size  );
+		if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+			YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
+	}
+
+	(yy_n_chars) += number_to_move;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
+
+	(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
+
+	return ret_val;
+}
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+    static yy_state_type yy_get_previous_state (void)
+{
+	register yy_state_type yy_current_state;
+	register char *yy_cp;
+    
+	yy_current_state = (yy_start);
+
+	for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
+		{
+		register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
+		if ( yy_accept[yy_current_state] )
+			{
+			(yy_last_accepting_state) = yy_current_state;
+			(yy_last_accepting_cpos) = yy_cp;
+			}
+		while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+			{
+			yy_current_state = (int) yy_def[yy_current_state];
+			if ( yy_current_state >= 38 )
+				yy_c = yy_meta[(unsigned int) yy_c];
+			}
+		yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+		}
+
+	return yy_current_state;
+}
+
+/* yy_try_NUL_trans - try to make a transition on the NUL character
+ *
+ * synopsis
+ *	next_state = yy_try_NUL_trans( current_state );
+ */
+    static yy_state_type yy_try_NUL_trans  (yy_state_type yy_current_state )
+{
+	register int yy_is_jam;
+    	register char *yy_cp = (yy_c_buf_p);
+
+	register YY_CHAR yy_c = 1;
+	if ( yy_accept[yy_current_state] )
+		{
+		(yy_last_accepting_state) = yy_current_state;
+		(yy_last_accepting_cpos) = yy_cp;
+		}
+	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+		{
+		yy_current_state = (int) yy_def[yy_current_state];
+		if ( yy_current_state >= 38 )
+			yy_c = yy_meta[(unsigned int) yy_c];
+		}
+	yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+	yy_is_jam = (yy_current_state == 37);
+
+	return yy_is_jam ? 0 : yy_current_state;
+}
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+    static int yyinput (void)
+#else
+    static int input  (void)
+#endif
+
+{
+	int c;
+    
+	*(yy_c_buf_p) = (yy_hold_char);
+
+	if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
+		{
+		/* yy_c_buf_p now points to the character we want to return.
+		 * If this occurs *before* the EOB characters, then it's a
+		 * valid NUL; if not, then we've hit the end of the buffer.
+		 */
+		if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+			/* This was really a NUL. */
+			*(yy_c_buf_p) = '\0';
+
+		else
+			{ /* need more input */
+			int offset = (yy_c_buf_p) - (yytext_ptr);
+			++(yy_c_buf_p);
+
+			switch ( yy_get_next_buffer(  ) )
+				{
+				case EOB_ACT_LAST_MATCH:
+					/* This happens because yy_g_n_b()
+					 * sees that we've accumulated a
+					 * token and flags that we need to
+					 * try matching the token before
+					 * proceeding.  But for input(),
+					 * there's no matching to consider.
+					 * So convert the EOB_ACT_LAST_MATCH
+					 * to EOB_ACT_END_OF_FILE.
+					 */
+
+					/* Reset buffer status. */
+					yyrestart(yyin );
+
+					/*FALLTHROUGH*/
+
+				case EOB_ACT_END_OF_FILE:
+					{
+					if ( yywrap( ) )
+						return EOF;
+
+					if ( ! (yy_did_buffer_switch_on_eof) )
+						YY_NEW_FILE;
+#ifdef __cplusplus
+					return yyinput();
+#else
+					return input();
+#endif
+					}
+
+				case EOB_ACT_CONTINUE_SCAN:
+					(yy_c_buf_p) = (yytext_ptr) + offset;
+					break;
+				}
+			}
+		}
+
+	c = *(unsigned char *) (yy_c_buf_p);	/* cast for 8-bit char's */
+	*(yy_c_buf_p) = '\0';	/* preserve yytext */
+	(yy_hold_char) = *++(yy_c_buf_p);
+
+	return c;
+}
+#endif	/* ifndef YY_NO_INPUT */
+
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ * 
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+    void yyrestart  (FILE * input_file )
+{
+    
+	if ( ! YY_CURRENT_BUFFER ){
+        yyensure_buffer_stack ();
+		YY_CURRENT_BUFFER_LVALUE =
+            yy_create_buffer(yyin,YY_BUF_SIZE );
+	}
+
+	yy_init_buffer(YY_CURRENT_BUFFER,input_file );
+	yy_load_buffer_state( );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * 
+ */
+    void yy_switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
+{
+    
+	/* TODO. We should be able to replace this entire function body
+	 * with
+	 *		yypop_buffer_state();
+	 *		yypush_buffer_state(new_buffer);
+     */
+	yyensure_buffer_stack ();
+	if ( YY_CURRENT_BUFFER == new_buffer )
+		return;
+
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+	yy_load_buffer_state( );
+
+	/* We don't actually know whether we did this switch during
+	 * EOF (yywrap()) processing, but the only time this flag
+	 * is looked at is after yywrap() is called, so it's safe
+	 * to go ahead and always set it.
+	 */
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+static void yy_load_buffer_state  (void)
+{
+    	(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+	(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+	yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+	(yy_hold_char) = *(yy_c_buf_p);
+}
+
+/** Allocate and initialize an input buffer state.
+ * @param file A readable stream.
+ * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
+ * 
+ * @return the allocated buffer state.
+ */
+    YY_BUFFER_STATE yy_create_buffer  (FILE * file, int  size )
+{
+	YY_BUFFER_STATE b;
+    
+	b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state )  );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+	b->yy_buf_size = size;
+
+	/* yy_ch_buf has to be 2 characters longer than the size given because
+	 * we need to put in 2 end-of-buffer characters.
+	 */
+	b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2  );
+	if ( ! b->yy_ch_buf )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+	b->yy_is_our_buffer = 1;
+
+	yy_init_buffer(b,file );
+
+	return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with yy_create_buffer()
+ * 
+ */
+    void yy_delete_buffer (YY_BUFFER_STATE  b )
+{
+    
+	if ( ! b )
+		return;
+
+	if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
+		YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
+
+	if ( b->yy_is_our_buffer )
+		yyfree((void *) b->yy_ch_buf  );
+
+	yyfree((void *) b  );
+}
+
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a yyrestart() or at EOF.
+ */
+    static void yy_init_buffer  (YY_BUFFER_STATE  b, FILE * file )
+
+{
+	int oerrno = errno;
+    
+	yy_flush_buffer(b );
+
+	b->yy_input_file = file;
+	b->yy_fill_buffer = 1;
+
+    /* If b is the current buffer, then yy_init_buffer was _probably_
+     * called from yyrestart() or through yy_get_next_buffer.
+     * In that case, we don't want to reset the lineno or column.
+     */
+    if (b != YY_CURRENT_BUFFER){
+        b->yy_bs_lineno = 1;
+        b->yy_bs_column = 0;
+    }
+
+        b->yy_is_interactive = 0;
+    
+	errno = oerrno;
+}
+
+/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
+ * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
+ * 
+ */
+    void yy_flush_buffer (YY_BUFFER_STATE  b )
+{
+    	if ( ! b )
+		return;
+
+	b->yy_n_chars = 0;
+
+	/* We always need two end-of-buffer characters.  The first causes
+	 * a transition to the end-of-buffer state.  The second causes
+	 * a jam in that state.
+	 */
+	b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
+	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
+
+	b->yy_buf_pos = &b->yy_ch_buf[0];
+
+	b->yy_at_bol = 1;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	if ( b == YY_CURRENT_BUFFER )
+		yy_load_buffer_state( );
+}
+
+/** Pushes the new state onto the stack. The new state becomes
+ *  the current state. This function will allocate the stack
+ *  if necessary.
+ *  @param new_buffer The new state.
+ *  
+ */
+void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
+{
+    	if (new_buffer == NULL)
+		return;
+
+	yyensure_buffer_stack();
+
+	/* This block is copied from yy_switch_to_buffer. */
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	/* Only push if top exists. Otherwise, replace top. */
+	if (YY_CURRENT_BUFFER)
+		(yy_buffer_stack_top)++;
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+	/* copied from yy_switch_to_buffer. */
+	yy_load_buffer_state( );
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ *  The next element becomes the new top.
+ *  
+ */
+void yypop_buffer_state (void)
+{
+    	if (!YY_CURRENT_BUFFER)
+		return;
+
+	yy_delete_buffer(YY_CURRENT_BUFFER );
+	YY_CURRENT_BUFFER_LVALUE = NULL;
+	if ((yy_buffer_stack_top) > 0)
+		--(yy_buffer_stack_top);
+
+	if (YY_CURRENT_BUFFER) {
+		yy_load_buffer_state( );
+		(yy_did_buffer_switch_on_eof) = 1;
+	}
+}
+
+/* Allocates the stack if it does not exist.
+ *  Guarantees space for at least one push.
+ */
+static void yyensure_buffer_stack (void)
+{
+	int num_to_alloc;
+    
+	if (!(yy_buffer_stack)) {
+
+		/* First allocation is just for 2 elements, since we don't know if this
+		 * scanner will even need a stack. We use 2 instead of 1 to avoid an
+		 * immediate realloc on the next call.
+         */
+		num_to_alloc = 1;
+		(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
+								(num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		if ( ! (yy_buffer_stack) )
+			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+								  
+		memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+				
+		(yy_buffer_stack_max) = num_to_alloc;
+		(yy_buffer_stack_top) = 0;
+		return;
+	}
+
+	if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
+
+		/* Increase the buffer to prepare for a possible push. */
+		int grow_size = 8 /* arbitrary grow size */;
+
+		num_to_alloc = (yy_buffer_stack_max) + grow_size;
+		(yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
+								((yy_buffer_stack),
+								num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		if ( ! (yy_buffer_stack) )
+			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
+		/* zero only the new slots.*/
+		memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
+		(yy_buffer_stack_max) = num_to_alloc;
+	}
+}
+
+/** Setup the input buffer state to scan directly from a user-specified character buffer.
+ * @param base the character buffer
+ * @param size the size in bytes of the character buffer
+ * 
+ * @return the newly allocated buffer state object. 
+ */
+YY_BUFFER_STATE yy_scan_buffer  (char * base, yy_size_t  size )
+{
+	YY_BUFFER_STATE b;
+    
+	if ( size < 2 ||
+	     base[size-2] != YY_END_OF_BUFFER_CHAR ||
+	     base[size-1] != YY_END_OF_BUFFER_CHAR )
+		/* They forgot to leave room for the EOB's. */
+		return 0;
+
+	b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state )  );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
+
+	b->yy_buf_size = size - 2;	/* "- 2" to take care of EOB's */
+	b->yy_buf_pos = b->yy_ch_buf = base;
+	b->yy_is_our_buffer = 0;
+	b->yy_input_file = 0;
+	b->yy_n_chars = b->yy_buf_size;
+	b->yy_is_interactive = 0;
+	b->yy_at_bol = 1;
+	b->yy_fill_buffer = 0;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	yy_switch_to_buffer(b  );
+
+	return b;
+}
+
+/** Setup the input buffer state to scan a string. The next call to yylex() will
+ * scan from a @e copy of @a str.
+ * @param yystr a NUL-terminated string to scan
+ * 
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ *       yy_scan_bytes() instead.
+ */
+YY_BUFFER_STATE yy_scan_string (yyconst char * yystr )
+{
+    
+	return yy_scan_bytes(yystr,strlen(yystr) );
+}
+
+/** Setup the input buffer state to scan the given bytes. The next call to yylex() will
+ * scan from a @e copy of @a bytes.
+ * @param yybytes the byte buffer to scan
+ * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
+ * 
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE yy_scan_bytes  (yyconst char * yybytes, int  _yybytes_len )
+{
+	YY_BUFFER_STATE b;
+	char *buf;
+	yy_size_t n;
+	int i;
+    
+	/* Get memory for full buffer, including space for trailing EOB's. */
+	n = _yybytes_len + 2;
+	buf = (char *) yyalloc(n  );
+	if ( ! buf )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
+
+	for ( i = 0; i < _yybytes_len; ++i )
+		buf[i] = yybytes[i];
+
+	buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
+
+	b = yy_scan_buffer(buf,n );
+	if ( ! b )
+		YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
+
+	/* It's okay to grow etc. this buffer, and we should throw it
+	 * away when we're done.
+	 */
+	b->yy_is_our_buffer = 1;
+
+	return b;
+}
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+static void yy_fatal_error (yyconst char* msg )
+{
+    	(void) fprintf( stderr, "%s\n", msg );
+	exit( YY_EXIT_FAILURE );
+}
+
+/* Redefine yyless() so it works in section 3 code. */
+
+#undef yyless
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up yytext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		yytext[yyleng] = (yy_hold_char); \
+		(yy_c_buf_p) = yytext + yyless_macro_arg; \
+		(yy_hold_char) = *(yy_c_buf_p); \
+		*(yy_c_buf_p) = '\0'; \
+		yyleng = yyless_macro_arg; \
+		} \
+	while ( 0 )
+
+/* Accessor  methods (get/set functions) to struct members. */
+
+/** Get the current line number.
+ * 
+ */
+int yyget_lineno  (void)
+{
+        
+    return yylineno;
+}
+
+/** Get the input stream.
+ * 
+ */
+FILE *yyget_in  (void)
+{
+        return yyin;
+}
+
+/** Get the output stream.
+ * 
+ */
+FILE *yyget_out  (void)
+{
+        return yyout;
+}
+
+/** Get the length of the current token.
+ * 
+ */
+int yyget_leng  (void)
+{
+        return yyleng;
+}
+
+/** Get the current token.
+ * 
+ */
+
+char *yyget_text  (void)
+{
+        return yytext;
+}
+
+/** Set the current line number.
+ * @param line_number
+ * 
+ */
+void yyset_lineno (int  line_number )
+{
+    
+    yylineno = line_number;
+}
+
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param in_str A readable stream.
+ * 
+ * @see yy_switch_to_buffer
+ */
+void yyset_in (FILE *  in_str )
+{
+        yyin = in_str ;
+}
+
+void yyset_out (FILE *  out_str )
+{
+        yyout = out_str ;
+}
+
+int yyget_debug  (void)
+{
+        return yy_flex_debug;
+}
+
+void yyset_debug (int  bdebug )
+{
+        yy_flex_debug = bdebug ;
+}
+
+static int yy_init_globals (void)
+{
+        /* Initialization is the same as for the non-reentrant scanner.
+     * This function is called from yylex_destroy(), so don't allocate here.
+     */
+
+    (yy_buffer_stack) = 0;
+    (yy_buffer_stack_top) = 0;
+    (yy_buffer_stack_max) = 0;
+    (yy_c_buf_p) = (char *) 0;
+    (yy_init) = 0;
+    (yy_start) = 0;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+    yyin = stdin;
+    yyout = stdout;
+#else
+    yyin = (FILE *) 0;
+    yyout = (FILE *) 0;
+#endif
+
+    /* For future reference: Set errno on error, since we are called by
+     * yylex_init()
+     */
+    return 0;
+}
+
+/* yylex_destroy is for both reentrant and non-reentrant scanners. */
+int yylex_destroy  (void)
+{
+    
+    /* Pop the buffer stack, destroying each element. */
+	while(YY_CURRENT_BUFFER){
+		yy_delete_buffer(YY_CURRENT_BUFFER  );
+		YY_CURRENT_BUFFER_LVALUE = NULL;
+		yypop_buffer_state();
+	}
+
+	/* Destroy the stack itself. */
+	yyfree((yy_buffer_stack) );
+	(yy_buffer_stack) = NULL;
+
+    /* Reset the globals. This is important in a non-reentrant scanner so the next time
+     * yylex() is called, initialization will occur. */
+    yy_init_globals( );
+
+    return 0;
+}
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
+{
+	register int i;
+	for ( i = 0; i < n; ++i )
+		s1[i] = s2[i];
+}
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * s )
+{
+	register int n;
+	for ( n = 0; s[n]; ++n )
+		;
+
+	return n;
+}
+#endif
+
+void *yyalloc (yy_size_t  size )
+{
+	return (void *) malloc( size );
+}
+
+void *yyrealloc  (void * ptr, yy_size_t  size )
+{
+	/* The cast to (char *) in the following accommodates both
+	 * implementations that use char* generic pointers, and those
+	 * that use void* generic pointers.  It works with the latter
+	 * because both ANSI C and C++ allow castless assignment from
+	 * any pointer type to void*, and deal with argument conversions
+	 * as though doing an assignment.
+	 */
+	return (void *) realloc( (char *) ptr, size );
+}
+
+void yyfree (void * ptr )
+{
+	free( (char *) ptr );	/* see yyrealloc() for (char *) cast */
+}
+
+#define YYTABLES_NAME "yytables"
+
+#line 113 "pool_config.l"
+
+
+
+int pool_init_config(void)
+{
+	int res;
+	static char localhostname[256];
+	int i;
+
+	pool_config = palloc(sizeof(POOL_CONFIG));
+
+	memset(pool_config, 0, sizeof(POOL_CONFIG));
+
+#ifndef POOL_PRIVATE
+	pool_config->backend_desc = pool_shared_memory_create(sizeof(BackendDesc));
+	if (pool_config->backend_desc == NULL)
+	{
+		pool_error("failed to allocate pool_config->backend_desc");
+		return -1;
+	}
+#else
+	pool_config->backend_desc = palloc(sizeof(BackendDesc));
+#endif
+
+	/*
+	 * add for watchdog
+	 */
+	pool_config->other_wd = palloc0(sizeof(WdDesc));
+
+	/* set hardcoded default values */
+	pool_config->listen_addresses = "localhost";
+	pool_config->port = 9999;
+	pool_config->pcp_port = 9898;
+	pool_config->socket_dir = DEFAULT_SOCKET_DIR;
+	pool_config->pcp_socket_dir = DEFAULT_SOCKET_DIR;
+	pool_config->backend_socket_dir = NULL;
+	pool_config->pcp_timeout = 10;
+	pool_config->num_init_children = 32;
+	pool_config->listen_backlog_multiplier = 2;
+	pool_config->max_pool = 4;
+	pool_config->child_life_time = 300;
+	pool_config->client_idle_limit = 0;
+	pool_config->connection_life_time = 0;
+	pool_config->child_max_connections = 0;
+	pool_config->authentication_timeout = 60;
+	pool_config->logdir = DEFAULT_LOGDIR;
+    pool_config->logsyslog = 0;
+    pool_config->log_destination = "stderr";
+    pool_config->syslog_facility = LOG_LOCAL0;
+    pool_config->syslog_ident = "pgpool";
+	pool_config->pid_file_name = DEFAULT_PID_FILE_NAME;
+	pool_config->log_statement = 0;
+	pool_config->log_per_node_statement = 0;
+	pool_config->log_connections = 0;
+	pool_config->log_hostname = 0;
+	pool_config->enable_pool_hba = 0;
+	pool_config->pool_passwd = "pool_passwd";
+
+	pool_config->replication_mode = 0;
+	pool_config->load_balance_mode = 0;
+	pool_config->replication_stop_on_mismatch = 0;
+	pool_config->failover_if_affected_tuples_mismatch = 0;
+	pool_config->replicate_select = 0;
+	pool_config->reset_query_list = default_reset_query_list;
+	pool_config->num_reset_queries = sizeof(default_reset_query_list)/sizeof(char *);
+	pool_config->white_function_list = NULL;
+	pool_config->num_white_function_list = 0;
+	pool_config->black_function_list = default_black_function_list;
+	pool_config->num_black_function_list = sizeof(default_black_function_list)/sizeof(char *);
+	pool_config->print_timestamp = 1;
+	pool_config->log_error_verbosity = 1;    /* PGERROR_DEFAULT */
+	pool_config->client_min_messages = 18;  /* NOTICE */
+	pool_config->log_min_messages = 19;     /* WARNING */
+	pool_config->print_user = 0;
+	pool_config->master_slave_mode = 0;
+	pool_config->master_slave_sub_mode = "slony";
+	pool_config->delay_threshold = 0;
+	pool_config->log_standby_delay = "none";
+	pool_config->connection_cache = 1;
+	pool_config->health_check_timeout = 20;
+	pool_config->health_check_period = 0;
+	pool_config->health_check_user = "nobody";
+	pool_config->health_check_password = "";
+	pool_config->health_check_max_retries = 0;
+	pool_config->health_check_retry_delay = 1;
+	pool_config->sr_check_period = 0;
+	pool_config->sr_check_user = "nobody";
+	pool_config->sr_check_password = "";
+	pool_config->failover_command = "";
+	pool_config->follow_master_command = "";
+	pool_config->failback_command = "";
+	pool_config->fail_over_on_backend_error = 1;
+	pool_config->insert_lock = 1;
+	pool_config->ignore_leading_white_space = 1;
+	pool_config->parallel_mode = 0;
+	pool_config->system_db_hostname = "localhost";
+	pool_config->system_db_port = 5432;
+	pool_config->system_db_dbname = "pgpool";
+	pool_config->system_db_schema = "pgpool_catalog";
+	pool_config->system_db_user = "pgpool";
+	pool_config->system_db_password = "";
+	pool_config->backend_desc->num_backends = 0;
+    pool_config->recovery_user = "";
+    pool_config->recovery_password = "";
+    pool_config->recovery_1st_stage_command = "";
+    pool_config->recovery_2nd_stage_command = "";
+	pool_config->recovery_timeout = 90;
+	pool_config->search_primary_node_timeout = 10;
+	pool_config->client_idle_limit_in_recovery = 0;
+	pool_config->lobj_lock_table = "";
+	pool_config->ssl = 0;
+	pool_config->ssl_cert = "";
+	pool_config->ssl_key = "";
+	pool_config->ssl_ca_cert = "";
+	pool_config->ssl_ca_cert_dir = "";
+	pool_config->debug_level = 0;
+	pool_config->relcache_expire = 0;
+	pool_config->relcache_size = 256;
+	pool_config->check_temp_table = 1;
+	pool_config->check_unlogged_table = 1;
+	pool_config->lists_patterns = NULL;
+	pool_config->pattc = 0;
+	pool_config->current_pattern_size = 0;
+	/*
+	 * add for watchdog
+	 */
+	pool_config->use_watchdog = 0;
+	pool_config->wd_lifecheck_method = MODE_HEARTBEAT;
+	pool_config->clear_memqcache_on_escalation = 1;	
+    pool_config->wd_escalation_command = "";
+	pool_config->trusted_servers = "";
+	pool_config->delegate_IP = "";
+	res = gethostname(localhostname,sizeof(localhostname));
+	if(res !=0 )
+	{
+		pool_debug("failed to get this hostname");
+	}
+	pool_config->wd_hostname = localhostname;
+	pool_config->wd_port = 9000;
+	pool_config->other_wd->num_wd = 0;
+	pool_config->wd_interval = 10;
+	pool_config->wd_authkey = "";
+	pool_config->ping_path = "/bin";
+	pool_config->ifconfig_path = "/sbin";
+	pool_config->if_up_cmd = "ifconfig eth0:0 inet $_IP_$ netmask 255.255.255.0";
+	pool_config->if_down_cmd = "ifconfig eth0:0 down";
+	pool_config->arping_path = "/usr/sbin";
+	pool_config->arping_cmd = "arping -U $_IP_$ -w 1";
+	pool_config->wd_life_point = 3;
+	pool_config->wd_lifecheck_query = "SELECT 1";
+	pool_config->wd_lifecheck_dbname = "template1";
+	pool_config->wd_lifecheck_user = "nobody";
+	pool_config->wd_lifecheck_password = "";
+	pool_config->wd_heartbeat_port = 9694;
+	pool_config->wd_heartbeat_keepalive = 2;
+	pool_config->wd_heartbeat_deadtime = 30;
+	pool_config->num_hb_if = 0;
+
+    pool_config->memory_cache_enabled = 0;
+    pool_config->memqcache_method = "shmem";
+    pool_config->memqcache_memcached_host = "localhost";
+    pool_config->memqcache_memcached_port = 11211;
+    pool_config->memqcache_total_size = 67108864;
+    pool_config->memqcache_max_num_cache = 1000000;
+    pool_config->memqcache_expire = 0;
+    pool_config->memqcache_auto_cache_invalidation = 1;
+    pool_config->memqcache_maxcache = 409600;
+    pool_config->memqcache_cache_block_size = 1048576;
+    pool_config->memqcache_oiddir = "/var/log/pgpool/oiddir";
+	pool_config->white_memqcache_table_list = NULL;
+	pool_config->num_white_memqcache_table_list = 0;
+	pool_config->black_memqcache_table_list = NULL;
+	pool_config->num_black_memqcache_table_list = 0;
+    pool_config->lists_memqcache_table_patterns = NULL;
+    pool_config->memqcache_table_pattc = 0;
+    pool_config->current_memqcache_table_pattern_size = 0;
+
+	res = gethostname(localhostname,sizeof(localhostname));
+	if(res !=0 )
+	{
+		pool_debug("failed to get this hostname");
+	}
+	pool_config->pgpool2_hostname = localhostname;
+
+	for (i=0;i<MAX_CONNECTION_SLOTS;i++)
+	{
+		clear_host_entry(i);
+	}
+	return 0;
+}
+
+/*
+ * Add regex expression to patterns array
+ * The supported type are: black_function_list and white_function_list
+ * Return 0 on error, 1 on success
+ */
+int add_regex_pattern(char *type, char *s)
+{
+	int regex_flags = REG_NOSUB;
+	RegPattern currItem;
+	/* force case insensitive pattern matching */
+	regex_flags |= REG_ICASE;
+	/* Add extended regex search */
+	regex_flags |= REG_EXTENDED;
+	/* Fill the pattern type */
+	if (strcmp(type, "black_function_list") == 0 ||
+        strcmp(type, "black_memqcache_table_list") == 0)
+	{
+		currItem.type = BLACKLIST;
+	}
+	else if (strcmp(type, "white_function_list") == 0 ||
+	         strcmp(type, "white_memqcache_table_list") == 0)
+	{
+		currItem.type = WHITELIST;
+	}
+	else
+	{
+		pool_error("add_to_patterns: bad pattern type %s", type);
+		return 0;
+	}
+	/* Fill the pattern flag */
+	currItem.flag = regex_flags;
+
+	/* Fill pattern array */
+	currItem.pattern = palloc(sizeof(char)*(strlen(s)+3));
+	/* Force exact matching of function name with ^ and $ on the regex
+	   if required to prevent partial matching. It also allow backward
+	   compatibility.
+	 */
+	if (strncmp(s, "^", 1) != 0) {
+		strncpy(currItem.pattern, "^", 2);
+		strncat(currItem.pattern, s, strlen(s) + 1);
+	} else {
+		strncpy(currItem.pattern, s, strlen(s) + 1);
+	}
+	if (s[strlen(s)-1] != '$') {
+		strncat(currItem.pattern, "$", 2);
+	}
+	pool_debug("add_to_patterns: regex pattern: %s", currItem.pattern);
+	/* compile our regex */
+	if (regcomp(&currItem.regexv, currItem.pattern, currItem.flag) != 0)
+	{
+		pool_error("add_to_patterns: invalid regex pattern: %s", currItem.pattern);
+	}
+    else if ((strcmp(type, "white_function_list") == 0 ||
+	          strcmp(type, "black_function_list") == 0) &&
+             growFunctionPatternArray(currItem) < 0)
+    {
+        pool_error("add_to_patterns: unable to allocate new pattern");
+        return 0;
+    }
+    else if ((strcmp(type, "white_memqcache_table_list") == 0 ||
+	          strcmp(type, "black_memqcache_table_list") == 0) &&
+             growMemqcacheTablePatternArray(currItem) < 0)
+    {
+        pool_error("add_to_patterns: unable to allocate new pattern");
+        return 0;
+    }
+
+	return 1;
+}
+
+/*
+ * Dynamically grow the regex pattern array
+ * The array start with PATTERN_ARR_SIZE storage place, if required
+ * it will grow of PATTERN_ARR_SIZE more each time.
+ */
+int growFunctionPatternArray(RegPattern item)
+{
+	void *_tmp = NULL;
+	if (pool_config->pattc == pool_config->current_pattern_size)
+	{
+		pool_config->current_pattern_size += PATTERN_ARR_SIZE;
+		_tmp = repalloc(pool_config->lists_patterns,
+		               (pool_config->current_pattern_size * sizeof(RegPattern)));
+		if (!_tmp)
+		{
+			return(-1);
+		}
+
+		pool_config->lists_patterns = (RegPattern*)_tmp;
+	}
+	pool_config->lists_patterns[pool_config->pattc] = item;
+	pool_config->pattc++;
+
+	return(pool_config->pattc);
+}
+
+int growMemqcacheTablePatternArray(RegPattern item)
+{
+	void *_tmp = NULL;
+	if (pool_config->memqcache_table_pattc == pool_config->current_memqcache_table_pattern_size)
+	{
+		pool_config->current_memqcache_table_pattern_size += PATTERN_ARR_SIZE;
+		_tmp = repalloc(pool_config->lists_memqcache_table_patterns,
+		               (pool_config->current_memqcache_table_pattern_size * sizeof(RegPattern)));
+		if (!_tmp)
+		{
+			return(-1);
+		}
+
+		pool_config->lists_memqcache_table_patterns = (RegPattern*)_tmp;
+	}
+	pool_config->lists_memqcache_table_patterns[pool_config->memqcache_table_pattc] = item;
+	pool_config->memqcache_table_pattc++;
+
+	return(pool_config->memqcache_table_pattc);
+}
+
+int pool_get_config(char *confpath, POOL_CONFIG_CONTEXT context)
+{
+	FILE *fd;
+	int token;
+	char key[1024];
+	double total_weight;
+	int i;
+    bool log_destination_changed = false;
+#ifdef USE_MEMCACHED
+	bool use_memcached = true;
+#else
+	bool use_memcached = false;
+#endif
+
+#ifndef POOL_PRIVATE
+#define PARSE_ERROR()		ereport(FATAL, \
+								(errmsg("syntex error in configuration file \"%s\"",POOL_CONF_FILE_NAME), \
+									errdetail("parse error at line %d '%s'", Lineno, yytext)))
+#else
+#define PARSE_ERROR()		fprintf(stderr,"ERROR: syntex error in configuration file \"%s\"",POOL_CONF_FILE_NAME); \
+							fprintf(stderr,"DETAILS: parse error at line %d '%s'", Lineno, yytext)
+#endif
+
+	/* open config file */
+	fd = fopen(confpath, "r");
+	if (!fd)
+	{
+#ifndef POOL_PRIVATE
+		ereport(WARNING,
+			(errmsg("could not open configuration file \"%s\"\n",
+				POOL_CONF_FILE_NAME)));
+		ereport(NOTICE,
+			(errmsg("using default configuration parameter values")));
+#else
+		fprintf(stderr,"WARNING: could not open configuration file \"%s\"\n",
+				POOL_CONF_FILE_NAME);
+		fprintf(stderr,"NOTICE: using default configuration parameter values");
+#endif
+		return 0;
+	}
+
+	yyin = fd;
+	Lineno = 1;
+
+	for(;;)
+	{
+		token = yylex();
+		if (token == 0)
+		{
+			break;
+		}
+		if (token == POOL_PARSE_ERROR)
+		{
+			PARSE_ERROR();
+			fclose(fd);
+			return(-1);
+		}
+		if (token == POOL_EOL)
+			continue;
+
+		if (token != POOL_KEY)
+		{
+			PARSE_ERROR();
+			fclose(fd);
+			return(-1);
+		}
+
+		strlcpy(key, yytext, sizeof(key));
+
+#ifndef POOL_PRIVATE
+		ereport(DEBUG5,
+			(errmsg("key: %s", key)));
+#endif
+		token = yylex();
+
+		if (token == POOL_EQUALS)
+			token = yylex();
+
+#ifndef POOL_PRIVATE
+		ereport(DEBUG5,
+			(errmsg("value: %s kind: %d", yytext, token)));
+#endif
+		if (!strcmp(key, "allow_inet_domain_socket") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			/* for backward compatibility */
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			if (v)
+				pool_config->listen_addresses = pstrdup("*");
+			else
+				pool_config->listen_addresses = pstrdup("");
+		}
+		else if (!strcmp(key, "listen_addresses") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->listen_addresses = str;
+		}
+
+		else if (!strcmp(key, "port") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 1024)
+			{
+				pool_error("pool_config: %s must be 1024 or higher numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->port = v;
+		}
+		else if (!strcmp(key, "pcp_port") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 1024)
+			{
+				pool_error("pool_config: %s must be 1024 or higher numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->pcp_port = v;
+		}
+		else if (!strcmp(key, "socket_dir") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->socket_dir = str;
+		}
+		else if (!strcmp(key, "pcp_socket_dir") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->pcp_socket_dir = str;
+		}
+		else if (!strcmp(key, "pcp_timeout") &&
+			 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be equal or greater or equal to 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->pcp_timeout = v;
+		}
+		else if (!strcmp(key, "num_init_children") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 1)
+			{
+				pool_error("pool_config: %s must be higher than 1 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->num_init_children = v;
+		}
+		else if (!strcmp(key, "listen_backlog_multiplier") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 1)
+			{
+				pool_error("pool_config: %s must be higher than 1 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->listen_backlog_multiplier = v;
+		}
+		else if (!strcmp(key, "child_life_time") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be greater or equal to 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->child_life_time = v;
+		}
+		else if (!strcmp(key, "client_idle_limit") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be greater or equal to 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->client_idle_limit = v;
+		}
+		else if (!strcmp(key, "connection_life_time") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be greater or equal to 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->connection_life_time = v;
+		}
+		else if (!strcmp(key, "child_max_connections") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be greater or equal to 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->child_max_connections = v;
+		}
+		else if (!strcmp(key, "authentication_timeout") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be higher than 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->authentication_timeout = v;
+		}
+		else if (!strcmp(key, "max_pool") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be greater or equal to 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->max_pool = v;
+		}
+		else if (!strcmp(key, "logdir") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->logdir = str;
+		}
+		else if (!strcmp(key, "log_destination") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+            log_destination_changed = pool_config->log_destination != str;
+			pool_config->log_destination = str;
+		}
+		else if (!strcmp(key, "syslog_facility") && CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->syslog_facility = set_syslog_facility(str);
+		}
+		else if (!strcmp(key, "syslog_ident") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+            log_destination_changed = log_destination_changed || pool_config->syslog_ident != str;
+			pool_config->syslog_ident = str;
+		}
+		else if (!strcmp(key, "pid_file_name") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->pid_file_name = str;
+		}
+		else if (!strcmp(key, "log_connections") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->log_connections = v;
+		}
+		else if (!strcmp(key, "log_hostname") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->log_hostname = v;
+		}
+       	else if (!strcmp(key, "enable_pool_hba") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->enable_pool_hba = v;
+		}
+		else if (!strcmp(key, "pool_passwd") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->pool_passwd = str;
+		}
+
+		else if (!strcmp(key, "backend_socket_dir") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+			
+			pool_log("pool_config: backend_socket_dir is deprecated, please use backend_hostname");
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->backend_socket_dir = str;
+		}
+		else if (!strcmp(key, "replication_mode") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->replication_mode = v;
+
+			if (pool_config->master_slave_mode && pool_config->replication_mode)
+			{
+				pool_error("pool_config: replication_mode and master_slave_mode cannot be enabled at the same time");
+				fclose(fd);
+				return(-1);
+			}
+
+		}
+		else if (!strcmp(key, "load_balance_mode") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->load_balance_mode = v;
+		}
+		else if (!strcmp(key, "replication_stop_on_mismatch") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_debug("replication_stop_on_mismatch: %d", v);
+			pool_config->replication_stop_on_mismatch = v;
+		}
+		else if (!strcmp(key, "failover_if_affected_tuples_mismatch") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_debug("failover_if_affected_tuples_mismatch: %d", v);
+			pool_config->failover_if_affected_tuples_mismatch = v;
+		}
+		else if (!strcmp(key, "replicate_select") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_debug("replicate_select: %d", v);
+			pool_config->replicate_select = v;
+		}
+		else if (!strcmp(key, "reset_query_list") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->reset_query_list = extract_string_tokens(str, ";", &pool_config->num_reset_queries);
+			if (pool_config->reset_query_list == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+		}
+
+		else if (!strcmp(key, "white_function_list") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->white_function_list =
+				extract_string_tokens(str, ",", &pool_config->num_white_function_list);
+
+			if (pool_config->white_function_list == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			for (i=0;i<pool_config->num_white_function_list;i++)
+			{
+				add_regex_pattern("white_function_list", pool_config->white_function_list[i]);
+			}
+		}
+
+		else if (!strcmp(key, "black_function_list") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->black_function_list =
+				extract_string_tokens(str, ",", &pool_config->num_black_function_list);
+
+			if (pool_config->black_function_list == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			for (i=0;i<pool_config->num_black_function_list;i++)
+			{
+				add_regex_pattern("black_function_list", pool_config->black_function_list[i]);
+			}
+		}
+        else if (!strcmp(key, "log_error_verbosity") && CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str, *valid_val;
+            int i;
+            const char *ordered_valid_values[] = {"terse","default","verbose",NULL};
+            bool found = false;
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+            for(i=0; ; i++)
+            {
+                valid_val = (char*)ordered_valid_values[i];
+                if(!valid_val)
+                break;
+                if (!strcasecmp(str, valid_val))
+                {
+                    found = true;
+                    pool_config->log_error_verbosity = i;
+                    break;
+                }
+            }
+  			if (!found)
+			{
+				pool_error("pool_config: invalid log_error_verbosity %s", key);
+				fclose(fd);
+				return(-1);
+			}
+		}
+        
+        else if (!strcmp(key, "client_min_messages") && CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str, *valid_val;
+            int i;
+            const char *ordered_valid_values[] = {"debug5","debug4","debug3","debug2","debug1","log","commerror","info","notice","warning","error",NULL};
+            bool found = false;
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+            for(i=0; ; i++)
+            {
+                valid_val = (char*)ordered_valid_values[i];
+                if(!valid_val)
+                break;
+                
+                if (!strcasecmp(str, valid_val))
+                {
+                    found = true;
+                    pool_config->client_min_messages = i + 10;
+                    break;
+                }
+            }
+  			if (!found)
+			{
+				pool_error("pool_config: invalid client_min_messages  %s", key);
+				fclose(fd);
+				return(-1);
+			}
+		}
+        else if (!strcmp(key, "log_min_messages") && CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str, *valid_val;
+            int i;
+            const char *ordered_valid_values[] = {"debug5","debug4","debug3","debug2","debug1","log","commerror","info","notice","warning","error","fatal","panic",NULL};
+            bool found = false;
+            
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+            for(i=0; ; i++)
+            {
+                valid_val = (char*)ordered_valid_values[i];
+                if(!valid_val)
+                break;
+                
+                if (!strcasecmp(str, valid_val))
+                {
+                    found = true;
+                    pool_config->log_min_messages = i + 10; /* error codes start with 10 */
+                    break;
+                }
+            }
+  			if (!found)
+			{
+				pool_error("pool_config: invalid log_min_messages  %s", key);
+				fclose(fd);
+				return(-1);
+			}
+		}
+
+		else if (!strcmp(key, "print_timestamp") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->print_timestamp = v;
+		}
+		else if (!strcmp(key, "print_user") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->print_user = v;
+		}
+
+		else if (!strcmp(key, "master_slave_mode") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->master_slave_mode = v;
+
+			if (pool_config->master_slave_mode && pool_config->replication_mode)
+			{
+				pool_error("pool_config: replication_mode and master_slave_mode cannot be enabled at the same time");
+				fclose(fd);
+				return(-1);
+			}
+		}
+
+		else if (!strcmp(key, "master_slave_sub_mode") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+
+			if (strcmp(str, MODE_SLONY) && strcmp(str, MODE_STREAMREP))
+			{
+				pool_error("pool_config: %s must be either \"slony\" or \"stream\"", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->master_slave_sub_mode = str;
+		}
+
+		else if (!strcmp(key, "delay_threshold") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			long long int v = atol(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be greater or equal to 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->delay_threshold = v;
+		}
+
+		else if (!strcmp(key, "log_standby_delay") && CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+
+			if (strcmp(str, "always") && strcmp(str, "if_over_threshold") && strcmp(str, "none"))
+			{
+				pool_error("pool_config: invalid log_standby_delay %s", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->log_standby_delay = str;
+		}
+
+		else if (!strcmp(key, "connection_cache") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->connection_cache = v;
+		}
+
+		else if (!strcmp(key, "health_check_timeout") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be equal or higher than 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->health_check_timeout = v;
+		}
+
+		else if (!strcmp(key, "health_check_period") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be equal or higher than 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->health_check_period = v;
+		}
+
+		else if (!strcmp(key, "health_check_user") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->health_check_user = str;
+		}
+
+		else if (!strcmp(key, "health_check_password") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->health_check_password = str;
+		}
+
+                else if (!strcmp(key, "health_check_max_retries") &&
+                                 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+                {
+                        int v = atoi(yytext);
+
+                        if (token != POOL_INTEGER || v < 0)
+                        {
+                                pool_error("pool_config: %s must be equal or higher than 0 numeric value", key);
+                                fclose(fd);
+                                return(-1);
+                        }
+                        pool_config->health_check_max_retries = v;
+                }
+
+                else if (!strcmp(key, "health_check_retry_delay") &&
+                                 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+                {
+                        int v = atoi(yytext);
+
+                        if (token != POOL_INTEGER || v < 0)
+                        {
+                                pool_error("pool_config: %s must be equal or higher than 0 numeric value", key);
+                                fclose(fd);
+                                return(-1);
+                        }
+                        pool_config->health_check_retry_delay = v;
+                }
+
+		else if (!strcmp(key, "sr_check_period") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be equal or higher than 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->sr_check_period = v;
+		}
+
+		else if (!strcmp(key, "sr_check_user") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->sr_check_user = str;
+		}
+
+		else if (!strcmp(key, "sr_check_password") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->sr_check_password = str;
+		}
+
+		else if (!strcmp(key, "failover_command") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->failover_command = str;
+		}
+
+		else if (!strcmp(key, "follow_master_command") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->follow_master_command = str;
+		}
+
+		else if (!strcmp(key, "failback_command") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->failback_command = str;
+		}
+
+		else if (!strcmp(key, "fail_over_on_backend_error") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->fail_over_on_backend_error = v;
+		}
+
+		else if (!strcmp(key, "recovery_user") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->recovery_user = str;
+		}
+
+		else if (!strcmp(key, "recovery_password") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->recovery_password = str;
+		}
+
+		else if (!strcmp(key, "recovery_1st_stage_command") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->recovery_1st_stage_command = str;
+		}
+
+		else if (!strcmp(key, "recovery_2nd_stage_command") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->recovery_2nd_stage_command = str;
+		}
+
+		else if (!strcmp(key, "recovery_timeout") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be equal or higher than 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->recovery_timeout = v;
+		}
+
+		else if (!strcmp(key, "search_primary_node_timeout") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be equal or higher than 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->search_primary_node_timeout = v;
+		}
+
+		else if (!strcmp(key, "client_idle_limit_in_recovery") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < -1)
+			{
+				pool_error("pool_config: %s must be greater or equal to -1 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->client_idle_limit_in_recovery = v;
+		}
+
+		else if (!strcmp(key, "insert_lock") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->insert_lock = v;
+		}
+
+		else if (!strcmp(key, "ignore_leading_white_space") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->ignore_leading_white_space = v;
+		}
+
+		else if (!strcmp(key, "parallel_mode") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->parallel_mode = v;
+		}
+
+		else if (!strcmp(key, "pgpool2_hostname") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			if(strlen(str))
+				pool_config->pgpool2_hostname = str;
+		}
+
+		else if (!strcmp(key, "system_db_hostname") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->system_db_hostname = str;
+		}
+
+		else if (!strcmp(key, "system_db_port") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be equal or higher than 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->system_db_port = v;
+		}
+
+		else if (!strcmp(key, "system_db_dbname") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->system_db_dbname = str;
+		}
+
+		else if (!strcmp(key, "system_db_schema") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->system_db_schema = str;
+		}
+
+		else if (!strcmp(key, "system_db_user") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->system_db_user = str;
+		}
+
+		else if (!strcmp(key, "system_db_password") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->system_db_password = str;
+		}
+
+		else if (!strncmp(key, "backend_hostname", 16) &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context) &&
+				 mypid == getpid()) /* this parameter must be modified by parent pid */
+		{
+			int slot;
+			char *str;
+
+			slot = atoi(key + 16);
+			if (slot < 0 || slot >= MAX_CONNECTION_SLOTS)
+			{
+				pool_error("pool_config: backend number %s for backend_hostname out of range", key);
+				fclose(fd);
+				return(-1);
+			}
+
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			if (context == INIT_CONFIG ||
+				(context == RELOAD_CONFIG && BACKEND_INFO(slot).backend_status == CON_UNUSED))
+				strlcpy(BACKEND_INFO(slot).backend_hostname, str, MAX_DB_HOST_NAMELEN);
+		}
+
+		else if (!strncmp(key, "backend_port", 12) &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context) &&
+				 mypid == getpid()) /* this parameter must be modified by parent pid */
+		{
+			int slot;
+
+			slot = atoi(key + 12);
+			if (slot < 0 || slot >= MAX_CONNECTION_SLOTS)
+			{
+				pool_error("pool_config: host number %s for port number out of range", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_debug("pool_config: port slot number %d ", slot);
+			if (context == INIT_CONFIG)
+			{
+				BACKEND_INFO(slot).backend_port = atoi(yytext);
+				BACKEND_INFO(slot).backend_status = CON_CONNECT_WAIT;
+			}
+			else if (context == RELOAD_CONFIG && BACKEND_INFO(slot).backend_status == CON_UNUSED)
+			{
+				BACKEND_INFO(slot).backend_port = atoi(yytext);
+				BACKEND_INFO(slot).backend_status = CON_DOWN;
+			}
+		}
+
+		else if (!strncmp(key, "backend_weight", 14) &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context) &&
+				 mypid == getpid()) /* this parameter must be modified by parent pid */
+		{
+			int slot;
+			double v;
+			BACKEND_STATUS status;
+
+			slot = atoi(key + 14);
+			if (slot < 0 || slot >= MAX_CONNECTION_SLOTS)
+			{
+				pool_error("pool_config: weight number %s for port number out of range", key);
+				fclose(fd);
+				return(-1);
+			}
+
+			v = atof(yytext);
+
+			if (v < 0.0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+
+			pool_debug("pool_config: weight slot number %d weight: %f", slot, v);
+			status = BACKEND_INFO(slot).backend_status;
+
+			if (context == INIT_CONFIG || context == RELOAD_CONFIG)
+			{
+				double old_v = BACKEND_INFO(slot).unnormalized_weight;
+				BACKEND_INFO(slot).unnormalized_weight = v;
+
+				/*
+				 * Log weight change event only when context is
+				 * reloading of pgpool.conf and weight is actually
+				 * changed
+				 */
+				if (context == RELOAD_CONFIG && old_v != v)
+				{
+					pool_log("Backend weight for backend%d changed from %f to %f. This will take effect from next client session.", slot, old_v, v);
+				}
+			}
+		}
+		else if (!strncmp(key, "backend_data_directory", 22) &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context) &&
+				 mypid == getpid()) /* this parameter must be modified by parent pid */
+		{
+			int slot;
+			char *str;
+			BACKEND_STATUS status;
+
+			slot = atoi(key + 22);
+			if (slot < 0 || slot >= MAX_CONNECTION_SLOTS)
+			{
+				pool_error("pool_config: backend number %s for backend_data_directory out of range", key);
+				fclose(fd);
+				return(-1);
+			}
+
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			status = BACKEND_INFO(slot).backend_status;
+			if (context == INIT_CONFIG ||
+				(context == RELOAD_CONFIG && (status == CON_UNUSED || status == CON_DOWN)))
+				strlcpy(BACKEND_INFO(slot).backend_data_directory, str, MAX_PATH_LENGTH);
+		}
+		else if (!strncmp(key, "backend_flag", 12) &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context) &&
+				 mypid == getpid()) /* this parameter must be modified by parent pid */
+		{
+			char *str;
+			char **flags;
+			int n;
+			int i;
+			int slot;
+			unsigned short flag = 0;
+			bool allow_to_failover_is_specified = 0;
+			bool disallow_to_failover_is_specified = 0;
+
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				pool_error("pool_config: extract_string failed: %s", yytext);
+				fclose(fd);
+				return(-1);
+			}
+
+			flags = extract_string_tokens(str, "|", &n);
+			if (!flags || n < 0)
+			{
+				pool_debug("pool_config: unable to get backend flags");
+				fclose(fd);
+				return(-1);
+			}
+
+			for (i=0;i<n;i++)
+			{
+				if (!strcmp(flags[i], "ALLOW_TO_FAILOVER"))
+				{
+					if (disallow_to_failover_is_specified)
+					{
+						pool_error("pool_config: cannot set ALLOW_TO_FAILOVER and DISALLOW_TO_FAILOVER at the same time");
+						fclose(fd);
+						return(-1);
+					}
+					flag &= ~POOL_FAILOVER;
+					allow_to_failover_is_specified = true;
+					pool_debug("pool_config: allow_to_failover on");
+				}
+
+				else if (!strcmp(flags[i], "DISALLOW_TO_FAILOVER"))
+				{
+					if (allow_to_failover_is_specified)
+					{
+						pool_error("pool_config: cannot set ALLOW_TO_FAILOVER and DISALLOW_TO_FAILOVER at the same time");
+						fclose(fd);
+						return(-1);
+					}
+					flag |= POOL_FAILOVER;
+					disallow_to_failover_is_specified = true;
+					pool_debug("pool_config: disallow_to_failover on");
+				}
+
+				else
+				{
+					pool_error("pool_config: invalid backend flag:%s", flags[i]);
+				}
+			}
+
+			slot = atoi(key + 12);
+			if (slot < 0 || slot >= MAX_CONNECTION_SLOTS)
+			{
+				pool_error("pool_config: slot number %s for flag out of range", key);
+				fclose(fd);
+				return(-1);
+			}
+
+			BACKEND_INFO(slot).flag = flag;
+
+			pool_debug("pool_config: slot number %d flag: %04x", slot, flag);
+		}
+
+       	else if (!strcmp(key, "log_statement") && CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				return(-1);
+			}
+			pool_config->log_statement = v;
+		}
+       	else if (!strcmp(key, "log_per_node_statement") && CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				return(-1);
+			}
+			pool_config->log_per_node_statement = v;
+		}
+
+		else if (!strcmp(key, "lobj_lock_table") && CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->lobj_lock_table = str;
+		}
+		/*
+		 * add for watchdog
+		 */
+		else if (!strncmp(key, "other_pgpool_hostname", 21) &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context) &&
+				 mypid == getpid()) /* this parameter must be modified by parent pid */
+		{
+			int slot;
+			char *str;
+
+			slot = atoi(key + 21) ;
+			if (slot < 0 || slot >= MAX_CONNECTION_SLOTS)
+			{
+				pool_error("pool_config: pgpool number %s for other_pgpool_hostname out of range", key);
+				fclose(fd);
+				return(-1);
+			}
+
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			if (context == INIT_CONFIG || (context == RELOAD_CONFIG ))
+				strlcpy(WD_INFO(slot).hostname, str, WD_MAX_HOST_NAMELEN);
+		}
+
+		else if (!strncmp(key, "other_pgpool_port", 17) &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context) &&
+				 mypid == getpid()) /* this parameter must be modified by parent pid */
+		{
+			int slot;
+
+			slot = atoi(key + 17);
+			if (slot < 0 || slot >= MAX_CONNECTION_SLOTS)
+			{
+				pool_error("pool_config: pgpool number %s for other_pgpool_port out of range", key);
+				fclose(fd);
+				return(-1);
+			}
+
+			if (context == INIT_CONFIG || (context == RELOAD_CONFIG ))
+				WD_INFO(slot).pgpool_port = atoi(yytext);
+		}
+
+		else if (!strncmp(key, "other_wd_port", 13) &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context) &&
+				 mypid == getpid()) /* this parameter must be modified by parent pid */
+		{
+			int slot;
+
+			slot = atoi(key + 13);
+			if (slot < 0 || slot >= MAX_CONNECTION_SLOTS)
+			{
+				pool_error("pool_config: pgpool number %s for other_wd_port out of range", key);
+				fclose(fd);
+				return(-1);
+			}
+
+			if (context == INIT_CONFIG || (context == RELOAD_CONFIG ))
+			{
+				WD_INFO(slot).wd_port = atoi(yytext);
+				WD_INFO(slot).status = WD_INIT;
+				pool_config->other_wd->num_wd = slot + 1;
+			}
+		}
+		else if (!strcmp(key, "use_watchdog") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->use_watchdog = v;
+		}
+
+		else if (!strcmp(key, "clear_memqcache_on_escalation") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->clear_memqcache_on_escalation = v;
+		}
+
+		else if (!strcmp(key, "wd_escalation_command") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->wd_escalation_command = str;
+		}
+
+		else if (!strcmp(key, "trusted_servers") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			if(strlen(str))
+				pool_config->trusted_servers = str;
+		}
+		else if (!strcmp(key, "delegate_IP") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			if(strlen(str))
+				pool_config->delegate_IP = str;
+		}
+		else if (!strcmp(key, "wd_hostname") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			if(strlen(str))
+				pool_config->wd_hostname = str;
+		}
+		else if (!strcmp(key, "wd_port") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v <= 0)
+			{
+				pool_error("pool_config: %s must be higher than 1 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->wd_port = v;
+		}
+		else if (!strcmp(key, "wd_interval") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v <= 0)
+			{
+				pool_error("pool_config: %s must be higher than 1 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->wd_interval = v;
+		}
+		else if (!strcmp(key, "ping_path") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			if(strlen(str))
+				pool_config->ping_path = str;
+		}
+		else if (!strcmp(key, "ifconfig_path") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			if(strlen(str))
+				pool_config->ifconfig_path = str;
+		}
+		else if (!strcmp(key, "if_up_cmd") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			if(strlen(str))
+				pool_config->if_up_cmd = str;
+		}
+		else if (!strcmp(key, "if_down_cmd") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			if(strlen(str))
+				pool_config->if_down_cmd = str;
+		}
+		else if (!strcmp(key, "arping_path") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			if(strlen(str))
+				pool_config->arping_path = str;
+		}
+		else if (!strcmp(key, "arping_cmd") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			if(strlen(str))
+				pool_config->arping_cmd = str;
+		}
+		else if (!strcmp(key, "wd_life_point") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v <= 0)
+			{
+				pool_error("pool_config: %s must be higher than 1 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->wd_life_point = v;
+		}
+		else if (!strcmp(key, "wd_lifecheck_query") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			if(strlen(str))
+				pool_config->wd_lifecheck_query = str;
+		}
+
+		else if (!strcmp(key, "wd_lifecheck_dbname") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->wd_lifecheck_dbname = str;
+		}
+
+		else if (!strcmp(key, "wd_lifecheck_user") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->wd_lifecheck_user = str;
+		}
+
+		else if (!strcmp(key, "wd_lifecheck_password") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->wd_lifecheck_password = str;
+		}
+
+		else if (!strcmp(key, "wd_lifecheck_method") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+
+			if (strcmp(str, MODE_HEARTBEAT) && strcmp(str, MODE_QUERY))
+			{
+				pool_error("pool_config: %s must be either \"heartbeat\" or \"query\"", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->wd_lifecheck_method = str;
+		}
+		else if (!strcmp(key, "wd_heartbeat_port") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v <= 0)
+			{
+				pool_error("pool_config: %s must be higher than 1 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->wd_heartbeat_port = v;
+		}
+		else if (!strcmp(key, "wd_heartbeat_keepalive") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v <= 0)
+			{
+				pool_error("pool_config: %s must be higher than 1 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->wd_heartbeat_keepalive = v;
+		}
+		else if (!strcmp(key, "wd_heartbeat_deadtime") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v <= 0)
+			{
+				pool_error("pool_config: %s must be higher than 1 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->wd_heartbeat_deadtime = v;
+		}
+		else if (!strcmp(key, "wd_authkey") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->wd_authkey = str;
+		}
+
+		else if (!strncmp(key, "heartbeat_device", 16) &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context) &&
+				 mypid == getpid()) /* this parameter must be modified by parent pid */
+		{
+			int slot;
+			char *str;
+
+			slot = atoi(key + 16) ;
+			if (slot < 0 || slot >= WD_MAX_IF_NUM)
+			{
+				pool_error("pool_config: pgpool number %s for heartbeat_device out of range", key);
+				fclose(fd);
+				return(-1);
+			}
+
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			if (context == INIT_CONFIG || (context == RELOAD_CONFIG ))
+				strlcpy(WD_HB_IF(slot).if_name, str, WD_MAX_IF_NAME_LEN);
+
+		}
+		/* this must be prior to hertbeat_destination */
+		else if (!strncmp(key, "heartbeat_destination_port", 26) &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context) &&
+				 mypid == getpid()) /* this parameter must be modified by parent pid */
+		{
+			int slot;
+
+			slot = atoi(key + 26) ;
+			if (slot < 0 || slot >= WD_MAX_IF_NUM)
+			{
+				pool_error("pool_config: pgpool number %s for heartbeat_destination_port out of range", key);
+				fclose(fd);
+				return(-1);
+			}
+
+			if (context == INIT_CONFIG || (context == RELOAD_CONFIG ))
+			{
+				WD_HB_IF(slot).dest_port = atoi(yytext);
+				pool_config->num_hb_if = slot + 1;
+			}
+		}
+		else if (!strncmp(key, "heartbeat_destination", 21) &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context) &&
+				 mypid == getpid()) /* this parameter must be modified by parent pid */
+		{
+			int slot;
+			char *str;
+
+			slot = atoi(key + 21) ;
+			if (slot < 0 || slot >= WD_MAX_IF_NUM)
+			{
+				pool_error("pool_config: pgpool number %s for heartbeat_destination out of range", key);
+				fclose(fd);
+				return(-1);
+			}
+
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			if (context == INIT_CONFIG || (context == RELOAD_CONFIG ))
+				strlcpy(WD_HB_IF(slot).addr, str, WD_MAX_HOST_NAMELEN);
+		}
+
+        else if (!strcmp(key, "ssl") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				return(-1);
+			}
+			pool_config->ssl = v;
+		}
+		else if (!strcmp(key, "ssl_cert") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->ssl_cert = str;
+		}
+		else if (!strcmp(key, "ssl_key") && CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->ssl_key = str;
+		}
+		else if (!strcmp(key, "ssl_ca_cert") &&
+		         CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->ssl_ca_cert = str;
+		}
+		else if (!strcmp(key, "ssl_ca_cert_dir") &&
+		         CHECK_CONTEXT(INIT_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->ssl_ca_cert_dir = str;
+		}
+
+		else if (!strcmp(key, "debug_level") && CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be equal or higher than 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			/* Consider -d option value stored in pool_config already */
+			pool_config->debug_level |= v;
+		}
+
+		else if (!strcmp(key, "relcache_expire") && CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 0)
+			{
+				pool_error("pool_config: %s must be equal or higher than 0 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->relcache_expire = v;
+		}
+
+		else if (!strcmp(key, "relcache_size") && CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = atoi(yytext);
+
+			if (token != POOL_INTEGER || v < 1)
+			{
+				pool_error("pool_config: %s must be equal or higher than 1 numeric value", key);
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->relcache_size = v;
+		}
+
+		else if (!strcmp(key, "check_temp_table") && CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				return(-1);
+			}
+			pool_config->check_temp_table = v;
+		}
+
+		else if (!strcmp(key, "check_unlogged_table") && CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			int v = eval_logical(yytext);
+
+			if (v < 0)
+			{
+				pool_error("pool_config: invalid value %s for %s", yytext, key);
+				return(-1);
+			}
+			pool_config->check_unlogged_table = v;
+		}
+
+        else if (!strcmp(key, "memory_cache_enabled") &&
+                 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+        {
+            int v = eval_logical(yytext);
+
+            if (v < 0)
+            {
+                pool_error("pool_config: invalid value %s for %s", yytext, key);
+                fclose(fd);
+                return(-1);
+            }
+            pool_config->memory_cache_enabled = v;
+        }
+        else if (!strcmp(key, "memqcache_method") && CHECK_CONTEXT(INIT_CONFIG, context))
+        {
+            char *str;
+
+            if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+            {
+                PARSE_ERROR();
+                fclose(fd);
+                return(-1);
+            }
+            str = extract_string(yytext, token);
+            if (str == NULL)
+            {
+                fclose(fd);
+                return(-1);
+            }
+
+			if (!strcmp(str, "memcached") && !use_memcached)
+			{
+				pool_error("memqcached_method cannot be memcached because pgpool-II is not built with MEMCACHED enabled");
+				fclose(fd);
+				return -1;
+			}
+
+			if (strcmp(str, "memcached") && strcmp(str, "shmem"))
+			{
+				pool_error("memqcached_method must be either shmem or memcached");
+				fclose(fd);
+				return -1;
+			}
+
+            pool_config->memqcache_method = str;
+        }
+        else if (!strcmp(key, "memqcache_memcached_host") && CHECK_CONTEXT(INIT_CONFIG, context))
+        {
+            char *str;
+
+            if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+            {
+                PARSE_ERROR();
+                fclose(fd);
+                return(-1);
+            }
+            str = extract_string(yytext, token);
+            if (str == NULL)
+            {
+                fclose(fd);
+                return(-1);
+            }
+            pool_config->memqcache_memcached_host = str;
+        }
+        else if (!strcmp(key, "memqcache_memcached_port") && CHECK_CONTEXT(INIT_CONFIG, context))
+        {
+            int v = atoi(yytext);
+
+            if (token != POOL_INTEGER || v < 0)
+            {
+                pool_error("pool_config: %s must be equal or higher than 0 numeric value", key);
+                fclose(fd);
+                return(-1);
+            }
+            pool_config->memqcache_memcached_port = v;
+        }
+        else if (!strcmp(key, "memqcache_total_size") && CHECK_CONTEXT(INIT_CONFIG, context))
+        {
+            int v = atoi(yytext);
+
+            if (token != POOL_INTEGER || v < 0)
+            {
+                pool_error("pool_config: %s must be equal or higher than 0 numeric value", key);
+                fclose(fd);
+                return(-1);
+            }
+            pool_config->memqcache_total_size = v;
+        }
+        else if (!strcmp(key, "memqcache_max_num_cache") && CHECK_CONTEXT(INIT_CONFIG, context))
+        {
+            int v = atoi(yytext);
+
+            if (token != POOL_INTEGER || v < 0)
+            {
+                pool_error("pool_config: %s must be equal or higher than 0 numeric value", key);
+                fclose(fd);
+                return(-1);
+            }
+            pool_config->memqcache_max_num_cache = v;
+        }
+        else if (!strcmp(key, "memqcache_expire") && CHECK_CONTEXT(INIT_CONFIG, context))
+        {
+            int v = atoi(yytext);
+
+            if (token != POOL_INTEGER || v < 0)
+            {
+                pool_error("pool_config: %s must be equal or higher than 0 numeric value", key);
+                fclose(fd);
+                return(-1);
+            }
+            pool_config->memqcache_expire = v;
+        }
+        else if (!strcmp(key, "memqcache_auto_cache_invalidation") && CHECK_CONTEXT(INIT_CONFIG, context))
+        {
+            int v = eval_logical(yytext);
+
+            if (v < 0)
+            {
+                pool_error("pool_config: invalid value %s for %s", yytext, key);
+                fclose(fd);
+                return(-1);
+            }
+            pool_config->memqcache_auto_cache_invalidation = v;
+        }
+        else if (!strcmp(key, "memqcache_maxcache") && CHECK_CONTEXT(INIT_CONFIG, context))
+        {
+            int v = atoi(yytext);
+
+            if (token != POOL_INTEGER || v < 0)
+            {
+                pool_error("pool_config: %s must be equal or higher than 0 numeric value", key);
+                fclose(fd);
+                return(-1);
+            }
+            pool_config->memqcache_maxcache = v;
+        }
+        else if (!strcmp(key, "memqcache_cache_block_size") && CHECK_CONTEXT(INIT_CONFIG, context))
+        {
+            int v = atoi(yytext);
+
+            if (token != POOL_INTEGER || v < 512)
+            {
+                pool_error("pool_config: %s must be equal or higher than 512 numeric value", key);
+                fclose(fd);
+                return(-1);
+            }
+            pool_config->memqcache_cache_block_size = v;
+        }
+        else if (!strcmp(key, "memqcache_oiddir") && CHECK_CONTEXT(INIT_CONFIG, context))
+        {
+            char *str;
+
+            if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+            {
+                PARSE_ERROR();
+                fclose(fd);
+                return(-1);
+            }
+            str = extract_string(yytext, token);
+            if (str == NULL)
+            {
+                fclose(fd);
+                return(-1);
+            }
+            pool_config->memqcache_oiddir = str;
+        }
+		else if (!strcmp(key, "white_memqcache_table_list") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->white_memqcache_table_list =
+				extract_string_tokens(str, ",", &pool_config->num_white_memqcache_table_list);
+
+			if (pool_config->white_memqcache_table_list == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			for (i=0;i<pool_config->num_white_memqcache_table_list;i++)
+			{
+				add_regex_pattern("white_memqcache_table_list", pool_config->white_memqcache_table_list[i]);
+			}
+		}
+
+		else if (!strcmp(key, "black_memqcache_table_list") &&
+				 CHECK_CONTEXT(INIT_CONFIG|RELOAD_CONFIG, context))
+		{
+			char *str;
+
+			if (token != POOL_STRING && token != POOL_UNQUOTED_STRING && token != POOL_KEY)
+			{
+				PARSE_ERROR();
+				fclose(fd);
+				return(-1);
+			}
+			str = extract_string(yytext, token);
+			if (str == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			pool_config->black_memqcache_table_list =
+				extract_string_tokens(str, ",", &pool_config->num_black_memqcache_table_list);
+
+			if (pool_config->black_memqcache_table_list == NULL)
+			{
+				fclose(fd);
+				return(-1);
+			}
+			for (i=0;i<pool_config->num_black_memqcache_table_list;i++)
+			{
+				add_regex_pattern("black_memqcache_table_list", pool_config->black_memqcache_table_list[i]);
+			}
+		}
+	}
+
+	fclose(fd);
+
+	if (log_destination_changed)
+	{
+		/* log_destination has changed, we need to open syslog or close it */
+		if (!strcmp(pool_config->log_destination, "stderr"))
+		{
+			closelog();
+			pool_config->logsyslog = 0;
+		}
+		else
+		{
+			openlog(pool_config->syslog_ident, LOG_PID|LOG_NDELAY|LOG_NOWAIT, pool_config->syslog_facility);
+			pool_config->logsyslog = 1;
+		}
+	}
+
+	pool_config->backend_desc->num_backends = 0;
+	total_weight = 0.0;
+
+	for (i=0;i<MAX_CONNECTION_SLOTS;i++)
+	{
+		/* port number == 0 indicates that this server is out of use */
+		if (BACKEND_INFO(i).backend_port == 0)
+		{
+			clear_host_entry(i);
+		}
+
+		else
+		{
+			total_weight += BACKEND_INFO(i).unnormalized_weight;
+			pool_config->backend_desc->num_backends = i+1;
+			
+			/* initialize backend_hostname with a default socket path if empty */
+			if (*(BACKEND_INFO(i).backend_hostname) == '\0')
+			{
+				if (pool_config->backend_socket_dir == NULL)
+				{
+					pool_debug("pool_config: empty backend_hostname%d, use PostgreSQL's default unix socket path (%s)", i, DEFAULT_SOCKET_DIR);
+					strlcpy(BACKEND_INFO(i).backend_hostname, DEFAULT_SOCKET_DIR, MAX_DB_HOST_NAMELEN);
+				}
+				else /* DEPRECATED. backward compatibility with older version. Use backend_socket_dir*/
+				{
+					pool_debug("pool_config: empty backend_hostname%d, use backend_socket_dir as unix socket path (%s)", i, pool_config->backend_socket_dir);
+					strlcpy(BACKEND_INFO(i).backend_hostname, pool_config->backend_socket_dir, MAX_DB_HOST_NAMELEN);
+				}
+			}
+		}	
+	}
+
+	pool_debug("num_backends: %d total_weight: %f",
+			   pool_config->backend_desc->num_backends, total_weight);
+	/*
+	 * Normalize load balancing weights. What we are doing here is,
+	 * assign 0 to RAND_MAX to each backend's weight according to the
+	 * value weightN.  For example, if two backends are assigned 1.0,
+	 * then each backend will get RAND_MAX/2 normalized weight.
+	 */
+	for (i=0;i<MAX_CONNECTION_SLOTS;i++)
+	{
+#ifdef DEBUG
+		print_host_entry(i);
+#endif
+
+		if (BACKEND_INFO(i).backend_port != 0)
+		{
+			BACKEND_INFO(i).backend_weight =
+				(RAND_MAX) * BACKEND_INFO(i).unnormalized_weight / total_weight;
+			pool_debug("backend %d weight: %f", i, BACKEND_INFO(i).backend_weight);
+			pool_debug("backend %d flag: %04x", i, BACKEND_INFO(i).flag);
+		}
+	}
+
+	/* initialize system_db_hostname with a default socket path if empty */
+	if (*pool_config->system_db_hostname == '\0')
+	{
+		pool_debug("pool_config: empty system_db_hostname, use PostgreSQL's default unix socket path (%s)", DEFAULT_SOCKET_DIR);
+		strlcpy(pool_config->system_db_hostname, DEFAULT_SOCKET_DIR, MAX_DB_HOST_NAMELEN);
+	}
+
+	if (pool_config->parallel_mode)
+	{
+#ifndef POOL_PRIVATE
+		int dist_num;
+#endif
+		SystemDBInfo *info;
+		
+		system_db_info = palloc(sizeof(POOL_SYSTEMDB_CONNECTION_POOL));
+		memset(system_db_info, 0, sizeof(*system_db_info));
+
+#ifndef POOL_PRIVATE
+		system_db_info->system_db_status = pool_shared_memory_create(sizeof(BACKEND_STATUS));
+#else
+		system_db_info->system_db_status = palloc(sizeof(BACKEND_STATUS));
+#endif
+
+		*system_db_info->system_db_status = CON_CONNECT_WAIT;	/* which is the same as SYSDB_STATUS = CON_CONNECT_WAIT */
+
+		info = palloc(sizeof(SystemDBInfo));
+
+		system_db_info->info = info;
+		info->hostname = pool_config->system_db_hostname;
+		info->port = pool_config->system_db_port;
+		info->user = pool_config->system_db_user;
+		info->password = pool_config->system_db_password;
+		info->database_name = pool_config->system_db_dbname;
+		info->schema_name = pool_config->system_db_schema;
+		info->dist_def_num = 0;
+		info->dist_def_slot = NULL;
+
+#ifndef POOL_PRIVATE
+		if (pool_config->parallel_mode)
+		{
+
+			dist_num = pool_memset_system_db_info(info);
+			if(dist_num < 0)
+			{
+				pool_error("failed to get systemdb info");
+				return(-1);
+			}
+			if (!pool_config->replication_mode && !pool_config->load_balance_mode)
+			{
+				pool_error("pool_config: parallel_mode requires replication_mode or load_balance_mode turned on");
+				return(-1);
+			}
+		}
+		SYSDB_STATUS = CON_UP;
+#endif
+	}
+
+	if (strcmp(pool_config->recovery_1st_stage_command, "") ||
+		strcmp(pool_config->recovery_2nd_stage_command, ""))
+	{
+		for (i=0;i<MAX_CONNECTION_SLOTS;i++)
+		{
+			if (pool_config->backend_desc->backend_info[i].backend_port != 0 &&
+				!strcmp(pool_config->backend_desc->backend_info[i].backend_data_directory, ""))
+			{
+				pool_error("pool_config: recovery_1st_stage_command and recovery_2nd_stage_command requires backend_data_directory to be set");
+				return -1;
+			}
+		}
+	}
+
+	return 0;
+}
+
+static char *extract_string(char *value, POOL_TOKEN token)
+{
+	char *ret;
+
+	ret = pstrdup(value);
+
+	if (token == POOL_STRING)
+	{
+		ret[strlen(ret)-1] = '\0';
+		return (ret+1);
+	}
+	return ret;
+}
+
+/*
+ * Try to interpret value as boolean value.  Valid values are: true,
+ * false, yes, no, on, off, 1, 0; as well as unique prefixes thereof.
+ * If the string parses okay, return true, else false.
+ * If okay and result is not NULL, return the value in *result.
+ * This function copied from PostgreSQL source code.
+ */
+static bool parse_bool_with_len(const char *value, size_t len, bool *result)
+{
+	switch (*value)
+	{
+		case 't':
+		case 'T':
+			if (strncasecmp(value, "true", len) == 0)
+			{
+				if (result)
+					*result = true;
+				return true;
+			}
+			break;
+		case 'f':
+		case 'F':
+			if (strncasecmp(value, "false", len) == 0)
+			{
+				if (result)
+					*result = false;
+				return true;
+			}
+			break;
+		case 'y':
+		case 'Y':
+			if (strncasecmp(value, "yes", len) == 0)
+			{
+				if (result)
+					*result = true;
+				return true;
+			}
+			break;
+		case 'n':
+		case 'N':
+			if (strncasecmp(value, "no", len) == 0)
+			{
+				if (result)
+					*result = false;
+				return true;
+			}
+			break;
+		case 'o':
+		case 'O':
+			/* 'o' is not unique enough */
+			if (strncasecmp(value, "on", (len > 2 ? len : 2)) == 0)
+			{
+				if (result)
+					*result = true;
+				return true;
+			}
+			else if (strncasecmp(value, "off", (len > 2 ? len : 2)) == 0)
+			{
+				if (result)
+					*result = false;
+				return true;
+			}
+			break;
+		case '1':
+			if (len == 1)
+			{
+				if (result)
+					*result = true;
+				return true;
+			}
+			break;
+		case '0':
+			if (len == 1)
+			{
+				if (result)
+					*result = false;
+				return true;
+			}
+			break;
+		default:
+			break;
+	}
+
+	if (result)
+		*result = false;		/* suppress compiler warning */
+	return false;
+}
+
+int eval_logical(char *str)
+{
+	bool result;
+
+	if (!parse_bool_with_len(str, strlen(str), &result))
+		return -1;
+
+	return (result ? 1 : 0);
+}
+
+/*
+ * Extract tokens separated by delimi from str. Return value is an
+ * array of pointers to malloced strings. number of tokens is set to
+ * n; note that str will be destroyed by strtok().
+ */
+#define MAXTOKENS 1024
+static char **extract_string_tokens(char *str, char *delimi, int *n)
+{
+	char *token;
+	static char **tokens;
+
+	*n = 0;
+
+	tokens = palloc(MAXTOKENS*sizeof(char *));
+
+	for (token = strtok(str, delimi); token != NULL && *n < MAXTOKENS; token = strtok(NULL, delimi))
+	{
+		tokens[*n] = pstrdup(token);
+		pool_debug("extract_string_tokens: token: %s", tokens[*n]);
+		(*n)++;
+	}
+	return tokens;
+}
+
+static void clear_host_entry(int slot)
+{
+	*pool_config->backend_desc->backend_info[slot].backend_hostname = '\0';
+	pool_config->backend_desc->backend_info[slot].backend_port = 0;
+	pool_config->backend_desc->backend_info[slot].backend_status = CON_UNUSED;
+	pool_config->backend_desc->backend_info[slot].backend_weight = 0.0;
+}
+
+#ifdef DEBUG
+static void print_host_entry(int slot)
+{
+	pool_debug("slot: %d host: %s port: %d status: %d weight: %f",
+			   slot,
+			   pool_config->server_hostnames[slot],
+			   pool_config->server_ports[slot],
+			   pool_config->server_status[slot],
+			   pool_config->server_weights[slot]);
+}
+#endif
+
+/* Use to set the syslog facility level if logsyslog is activated */
+int set_syslog_facility(char *value)
+{
+   int facility = LOG_LOCAL0;
+
+   if (value == NULL)
+     return facility;
+
+   if (strncmp(value, "LOCAL", 5) == 0 && strlen(value) == 6) {
+	  switch (value[5]) {
+	  case '0':
+	       facility = LOG_LOCAL0;
+	       break;
+	  case '1':
+	       facility = LOG_LOCAL1;
+	       break;
+	  case '2':
+	       facility = LOG_LOCAL2;
+	       break;
+	  case '3':
+	       facility = LOG_LOCAL3;
+	       break;
+	  case '4':
+	       facility = LOG_LOCAL4;
+	       break;
+	  case '5':
+	       facility = LOG_LOCAL5;
+	       break;
+	  case '6':
+	       facility = LOG_LOCAL6;
+	       break;
+	  case '7':
+	       facility = LOG_LOCAL7;
+	       break;
+	  }
+     }
+     return facility;
+}
+
+/*
+ * Translate binary form of backend flag to string.
+ * The returned data is in static buffer, and it will be destroyed
+ * at the next call to this function.
+ */
+char *pool_flag_to_str(unsigned short flag)
+{
+	static char buf[1024];		/* should be large enough */
+
+	if (POOL_ALLOW_TO_FAILOVER(flag))
+		snprintf(buf, sizeof(buf), "ALLOW_TO_FAILOVER");
+	else if (POOL_DISALLOW_TO_FAILOVER(flag))
+		snprintf(buf, sizeof(buf), "DISALLOW_TO_FAILOVER");
+	return buf;
+}
+
diff --git a/src/context/pool_query_context.c b/src/context/pool_query_context.c
index 6212650b9..caa4d3aea 100644
--- a/src/context/pool_query_context.c
+++ b/src/context/pool_query_context.c
@@ -175,7 +175,7 @@ void pool_setall_node_to_be_sent(POOL_QUERY_CONTEXT *query_context)
 	int i;
 	POOL_SESSION_CONTEXT *sc;
 
-	sc = pool_get_session_context();
+	sc = pool_get_session_context(true);
 	if (!sc)
 	{
 		pool_error("pool_setall_node_to_be_sent: no session context");
diff --git a/src/libs/pcp/Makefile.am b/src/libs/pcp/Makefile.am
index 56dff4b55..07f5a31ae 100644
--- a/src/libs/pcp/Makefile.am
+++ b/src/libs/pcp/Makefile.am
@@ -4,7 +4,8 @@ lib_LTLIBRARIES = libpcp.la
 libpcp_la_SOURCES = pcp.c $(top_srcdir)/src/utils/pcp/pcp_stream.c \
                     $(top_srcdir)/src/utils/pcp/pcp_error.c \
                     $(top_srcdir)/src/utils/pcp/pcp_timeout.c \
-                    $(top_srcdir)/src/auth/md5.c
+                    $(top_srcdir)/src/auth/md5.c \
+                    $(top_srcdir)/src/utils/strlcpy.c
 
 include_HEADERS = $(top_srcdir)/src/include/pcp/pcp.h \
 					$(top_srcdir)/src/include/pcp/libpcp_ext.h \
diff --git a/src/libs/pcp/Makefile.in b/src/libs/pcp/Makefile.in
index 2f88a58a1..4fa158437 100644
--- a/src/libs/pcp/Makefile.in
+++ b/src/libs/pcp/Makefile.in
@@ -128,7 +128,7 @@ am__installdirs = "$(DESTDIR)$(libdir)" "$(DESTDIR)$(includedir)"
 LTLIBRARIES = $(lib_LTLIBRARIES)
 libpcp_la_LIBADD =
 am_libpcp_la_OBJECTS = pcp.lo pcp_stream.lo pcp_error.lo \
-	pcp_timeout.lo md5.lo
+	pcp_timeout.lo md5.lo strlcpy.lo
 libpcp_la_OBJECTS = $(am_libpcp_la_OBJECTS)
 AM_V_lt = $(am__v_lt_@AM_V@)
 am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
@@ -327,7 +327,8 @@ lib_LTLIBRARIES = libpcp.la
 libpcp_la_SOURCES = pcp.c $(top_srcdir)/src/utils/pcp/pcp_stream.c \
                     $(top_srcdir)/src/utils/pcp/pcp_error.c \
                     $(top_srcdir)/src/utils/pcp/pcp_timeout.c \
-                    $(top_srcdir)/src/auth/md5.c
+                    $(top_srcdir)/src/auth/md5.c \
+                    $(top_srcdir)/src/utils/strlcpy.c
 
 include_HEADERS = $(top_srcdir)/src/include/pcp/pcp.h \
 					$(top_srcdir)/src/include/pcp/libpcp_ext.h \
@@ -418,6 +419,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pcp_error.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pcp_stream.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pcp_timeout.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/strlcpy.Plo@am__quote@
 
 .c.o:
 @am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
@@ -469,11 +471,11 @@ md5.lo: $(top_srcdir)/src/auth/md5.c
 @am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o md5.lo `test -f '$(top_srcdir)/src/auth/md5.c' || echo '$(srcdir)/'`$(top_srcdir)/src/auth/md5.c
 
 strlcpy.lo: $(top_srcdir)/src/utils/strlcpy.c
-@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT strlcpy.lo -MD -MP -MF $(DEPDIR)/strlcpy.Tpo -c -o strlcpy.lo `test -f '$(top_srcdir)/src/utils/strlcpy.c' || echo '$(srcdir)/'`$(top_srcdir)/src/utils/strlcpy.c
-@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/strlcpy.Tpo $(DEPDIR)/strlcpy.Plo
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$(top_srcdir)/src/utils/strlcpy.c' object='strlcpy.lo' libtool=yes @AMDEPBACKSLASH@
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT strlcpy.lo -MD -MP -MF $(DEPDIR)/strlcpy.Tpo -c -o strlcpy.lo `test -f '$(top_srcdir)/src/utils/strlcpy.c' || echo '$(srcdir)/'`$(top_srcdir)/src/utils/strlcpy.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/strlcpy.Tpo $(DEPDIR)/strlcpy.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$(top_srcdir)/src/utils/strlcpy.c' object='strlcpy.lo' libtool=yes @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o strlcpy.lo `test -f '$(top_srcdir)/src/utils/strlcpy.c' || echo '$(srcdir)/'`$(top_srcdir)/src/utils/strlcpy.c
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o strlcpy.lo `test -f '$(top_srcdir)/src/utils/strlcpy.c' || echo '$(srcdir)/'`$(top_srcdir)/src/utils/strlcpy.c
 
 mostlyclean-libtool:
 	-rm -f *.lo
diff --git a/src/libs/pcp/pcp.c b/src/libs/pcp/pcp.c
index a93bda742..ba4445a52 100644
--- a/src/libs/pcp/pcp.c
+++ b/src/libs/pcp/pcp.c
@@ -1017,7 +1017,6 @@ free_systemdb_info(SystemDBInfo * si)
 
 	if (si == NULL)
 		return;
-
 	pfree(si->hostname);
 	pfree(si->user);
 	pfree(si->password);
diff --git a/src/main/main.c b/src/main/main.c
index fa83a7489..7dc144caf 100644
--- a/src/main/main.c
+++ b/src/main/main.c
@@ -529,13 +529,15 @@ char *get_config_file_name(void)
 }
 
 /*
- * get_config_file_name: return full path of pool_hba.conf.
+ * get_hba_file_name: return full path of pool_hba.conf.
  */
 char *get_hba_file_name(void)
 {
 	return hba_file;
 }
-/* Call back function to unlink the file */
+/*
+ * Call back function to unlink the file
+ */
 static void FileUnlink(int code, Datum path)
 {
 	char* filePath = (char*)path;
diff --git a/src/main/pgpool_main.c b/src/main/pgpool_main.c
index 2d472fd8d..ea945b14e 100644
--- a/src/main/pgpool_main.c
+++ b/src/main/pgpool_main.c
@@ -5,7 +5,7 @@
  * pgpool: a language independent connection pool server for PostgreSQL
  * written by Tatsuo Ishii
  *
- * Copyright (c) 2003-2013	PgPool Global Development Group
+ * Copyright (c) 2003-2014	PgPool Global Development Group
  *
  * Permission to use, copy, modify, and distribute this software and
  * its documentation for any purpose and without fee is hereby
@@ -701,6 +701,7 @@ static int create_inet_domain_socket(const char *hostname, const int port)
 	}
 
     backlog = pool_config->num_init_children * pool_config->listen_backlog_multiplier;
+
 	if (backlog > PGPOOLMAXLITSENQUEUELENGTH)
 		backlog = PGPOOLMAXLITSENQUEUELENGTH;
 
@@ -984,10 +985,10 @@ static RETSIGTYPE exit_handler(int sig)
     processState = EXITING;
 
     /* Close listen socket */
-    pool_log("pgpool main: close listen socket");
-    close(inet_fd);
-    close(unix_fd);
-    
+	pool_log("pgpool main: close listen socket");
+	close(inet_fd);
+	close(unix_fd);
+
 	for (i = 0; i < pool_config->num_init_children; i++)
 	{
 		pid_t pid = process_info[i].pid;
@@ -1154,17 +1155,18 @@ static void failover(void)
 	/* failback request? */
 	if (Req_info->kind == NODE_UP_REQUEST)
 	{
-        if (node_id < 0 || node_id >= MAX_NUM_BACKENDS ||
+		if (node_id < 0 || node_id >= MAX_NUM_BACKENDS ||
 			(Req_info->kind == NODE_UP_REQUEST && !(RAW_MODE &&
             BACKEND_INFO(node_id).backend_status == CON_DOWN) && VALID_BACKEND(node_id)) ||
 			(Req_info->kind == NODE_DOWN_REQUEST && !VALID_BACKEND(node_id)))
 		{
 			pool_semaphore_unlock(REQUEST_INFO_SEM);
-            if (node_id < 0 || node_id >= MAX_NUM_BACKENDS)
-                pool_error("failover_handler: invalid node_id %d MAX_NUM_BACKENDS: %d", node_id, MAX_NUM_BACKENDS);
-            else
-                pool_error("failover_handler: invalid node_id %d status:%d MAX_NUM_BACKENDS: %d", node_id,
-                            BACKEND_INFO(node_id).backend_status, MAX_NUM_BACKENDS);
+
+			if (node_id < 0 || node_id >= MAX_NUM_BACKENDS)
+				pool_error("failover_handler: invalid node_id %d MAX_NUM_BACKENDS: %d", node_id, MAX_NUM_BACKENDS);
+			else
+				pool_error("failover_handler: invalid node_id %d status:%d MAX_NUM_BACKENDS: %d", node_id,
+						   BACKEND_INFO(node_id).backend_status, MAX_NUM_BACKENDS);
 			kill(pcp_pid, SIGUSR2);
 			switching = 0;
 			Req_info->switching = false;
diff --git a/src/protocol/child.c b/src/protocol/child.c
index 24f6b0941..d7a53d8d8 100644
--- a/src/protocol/child.c
+++ b/src/protocol/child.c
@@ -101,11 +101,11 @@ static volatile sig_atomic_t alarm_enabled = false;
 static int idle;		/* non 0 means this child is in idle state */
 static int accepted = 0;
 
+fd_set  readmask;
+int     nsocks;
 static int child_inet_fd = 0;
 static int child_unix_fd = 0;
 
-fd_set        readmask;
-int nsocks;
 extern int myargc;
 extern char **myargv;
 
@@ -1454,7 +1454,6 @@ POOL_CONNECTION_POOL_SLOT *make_persistent_db_connection(
         ereport(ERROR,
                 (errmsg("failed to make persistent db connection"),
                  errdetail("connection to %s(%d) failed", hostname, port)));
-
 	}
 
 	cp->con = pool_open(fd,true);
@@ -1550,17 +1549,17 @@ void free_persisten_db_connection_memory(POOL_CONNECTION_POOL_SLOT *cp)
 		return;
 	if (!cp->sp)
 	{
-		free(cp);
+		pfree(cp);
 		return;
 	}
 	if (cp->sp->startup_packet)
-		free(cp->sp->startup_packet);
+		pfree(cp->sp->startup_packet);
 	if (cp->sp->database)
-		free(cp->sp->database);
+		pfree(cp->sp->database);
 	if (cp->sp->user)
-		free(cp->sp->user);
-	free(cp->sp);
-	free(cp);
+		pfree(cp->sp->user);
+	pfree(cp->sp);
+	pfree(cp);
 }
 
 /*
diff --git a/src/protocol/pool_proto_modules.c b/src/protocol/pool_proto_modules.c
index d803c0945..487f715df 100644
--- a/src/protocol/pool_proto_modules.c
+++ b/src/protocol/pool_proto_modules.c
@@ -2051,12 +2051,7 @@ POOL_STATUS ParameterDescription(POOL_CONNECTION *frontend,
 	int num_params, send_num_params, num_dmy;
 	char kind = 't';
 
-	session_context = pool_get_session_context();
-	if (!session_context)
-	{
-		pool_error("ParameterDescription: cannot get session context");
-		return POOL_END;
-	}
+	session_context = pool_get_session_context(false);
 
 	/* only in replication mode and rewritten query */
 	if (!REPLICATION || !session_context->query_context->rewritten_query)
diff --git a/src/tools/pgmd5/Makefile.am b/src/tools/pgmd5/Makefile.am
index 904cb5c48..bd4942464 100644
--- a/src/tools/pgmd5/Makefile.am
+++ b/src/tools/pgmd5/Makefile.am
@@ -10,6 +10,5 @@ pg_md5_SOURCES = pg_md5.c \
 			$(top_srcdir)/src/config/pool_config_md5.c \
 			$(top_srcdir)/src/main/pool_globals.c
 
-
 DEFS = @DEFS@ \
     -DDEFAULT_CONFIGDIR=\"$(sysconfdir)\" -DPOOL_TOOLS