Add new PostgreSQL connect timeout parameter.

Sometimes no response from backend due to network reasons,
pgpoolAdmin will wait long time. In this commit, we add
new PostgreSQL connection timeout parameter.

Patch is provide by Tuukka Kivilahti, and improved by us.

21 files changed, 67 insertions, 2 deletions

diff --git a/common.php b/common.php
index 31fd665..c4d787c 100644
--- a/common.php
+++ b/common.php
@@ -76,6 +76,11 @@ if (! defined('_PGPOOL2_LANG') ||
     errorPage('e7');
 }
 
+// PostgreSQL connect timeout, default is 10
+if (! defined('_PGPOOL2_CONNECT_TIMEOUT')) {
+    define('_PGPOOL2_CONNECT_TIMEOUT', 10);
+}
+
 /**
  * Create message catalog list
  */
@@ -156,6 +161,7 @@ function NodeActive($nodeNum)
                        $params['health_check_database'] : 'template1',
         'user'     => $params['health_check_user'],
         'password' => $params['health_check_password'],
+        'connect_timeout' => _PGPOOL2_CONNECT_TIMEOUT
     ));
 
     if ($conn == FALSE) {
@@ -186,6 +192,7 @@ function NodeStandby($nodeNum)
         'dbname'   => 'template1',
         'user'     => $params['sr_check_user'],
         'password' => $params['sr_check_password'],
+        'connect_timeout' => _PGPOOL2_CONNECT_TIMEOUT,
     ));
 
     if ($conn == FALSE) {
@@ -224,6 +231,7 @@ function isSuperUser($user_name)
         'dbname'   => 'template1',
         'user'     => $_SESSION[SESSION_LOGIN_USER],
         'password' => $_SESSION[SESSION_LOGIN_USER_PASSWORD],
+        'connect_timeout' => _PGPOOL2_CONNECT_TIMEOUT,
     ));
 
     // Try to connect health check user
@@ -233,7 +241,8 @@ function isSuperUser($user_name)
             'port'     => $params['port'],
             'dbname'   => 'template1',
             'user'     => $params['health_check_user'],
-            'password' => $params['health_check_password']
+            'password' => $params['health_check_password'],
+            'connect_timeout' => _PGPOOL2_CONNECT_TIMEOUT
         ));
     }
     if ($conn === FALSE) { return NULL; }
@@ -270,6 +279,7 @@ function generateConstr($params)
         case 'dbname':
         case 'user':
         case 'password':
+        case 'connect_timeout':
             $arr[] = "{$param}='{$value}'";
         }
     }
diff --git a/conf/pgmgt.conf.php b/conf/pgmgt.conf.php
index 3517063..53530fa 100644
--- a/conf/pgmgt.conf.php
+++ b/conf/pgmgt.conf.php
@@ -14,4 +14,5 @@ define('_PGPOOL2_LOG_FILE', '/tmp/pgpool.log');
 define('_PGPOOL2_PCP_DIR', '/usr/bin');
 define('_PGPOOL2_PCP_HOSTNAME', 'localhost');
 define('_PGPOOL2_STATUS_REFRESH_TIME', '0');
+define('_PGPOOL2_CONNECT_TIMEOUT', '10');
 ?>
diff --git a/config.php b/config.php
index 9f484b7..3e2a730 100644
--- a/config.php
+++ b/config.php
@@ -101,6 +101,11 @@ $params['pcp_hostname']       = (defined('_PGPOOL2_PCP_HOSTNAME')) ?
 $params['pcp_refresh_time']   = (defined('_PGPOOL2_STATUS_REFRESH_TIME')) ?
                                 _PGPOOL2_STATUS_REFRESH_TIME : $message['errNoDefined'];
 
+// PostgreSQL connect timeout. Default is 10.
+// This is also defined in common.php.
+$params['pg_connect_timeout']   = (defined('_PGPOOL2_CONNECT_TIMEOUT')) ?
+    _PGPOOL2_CONNECT_TIMEOUT : 10;
+
 $tpl->assign('status', NULL);
 switch ( $action ) {
     case 'update':
@@ -147,6 +152,15 @@ switch ( $action ) {
             }
         }
 
+        setValue('pg_connect_timeout');
+        if (!is_numeric($params['pg_connect_timeout'] )) {
+            $errors['pg_connect_timeout'] = $message['errShouldBeInteger'];
+        } else {
+            if ($params['pg_connect_timeout'] < 0) {
+                $errors['pg_connect_timeout'] = $message['errShouldBeZeroOrMore'];
+            }
+        }
+
         /*
          * Confirm pgpool_version corresponds with pgpool_command's output in stderr
          * like "pgpool-II version 3.5alpha1 (ekieboshi)"
@@ -277,6 +291,7 @@ function writePgmtConf($pgmgtConfigFile)
     write($fp, '_PGPOOL2_PCP_DIR',             $params['pcp_client_dir']);
     write($fp, '_PGPOOL2_PCP_HOSTNAME',        $params['pcp_hostname']);
     write($fp, '_PGPOOL2_STATUS_REFRESH_TIME', $params['pcp_refresh_time']);
+    write($fp, '_PGPOOL2_CONNECT_TIMEOUT', $params['pg_connect_timeout']);
 
     $str = "?>\n";
     fputs($fp, $str);
diff --git a/innerSystemCatalog.php b/innerSystemCatalog.php
index 75309ea..5788d42 100644
--- a/innerSystemCatalog.php
+++ b/innerSystemCatalog.php
@@ -53,6 +53,7 @@ $conn = openDBConnection(array(
     'dbname'   => 'template1',
     'user'     => $params['health_check_user'],
     'password' => $params['health_check_password'],
+    'connect_timeout' => _PGPOOL2_CONNECT_TIMEOUT,
 ));
 
 $rs = execQuery($conn, 'SHOW pool_status');
diff --git a/install/checkParameter.php b/install/checkParameter.php
index 1847694..b760280 100644
--- a/install/checkParameter.php
+++ b/install/checkParameter.php
@@ -204,6 +204,13 @@ if (isset($_POST['pcp_refreshTime']) && $_POST['pcp_refreshTime']) {
     $pcp_refreshTime =  _PGPOOL2_STATUS_REFRESH_TIME;
 }
 
+$msgPgConnectTimeout = '';
+if (isset($_POST['pg_connect_timeout']) && $_POST['pg_connect_timeout']) {
+    $pg_connect_timeout = $_POST['pg_connect_timeout'];
+} else {
+    $pg_connect_timeout =  _PGPOOL2_CONNECT_TIMEOUT;
+}
+
 $msgPhpPgsql= '';
 if (!extension_loaded('pgsql')){
     $msgPhpPgsql = 'not installed';
@@ -224,6 +231,7 @@ if ($error || (isset($_POST['submitBack']) && $_POST['submitBack'] != NULL)) {
     $params['pcp_client_dir']      = $pcp_client_dir;
     $params['pcp_hostname']        = $pcp_hostname;
     $params['pcp_refreshTime']     = $pcp_refreshTime;
+    $params['pg_connect_timeout']  = $pg_connect_timeout;
 
     $_SESSION['params'] = $params;
 }
@@ -252,6 +260,7 @@ if (!$error && $action == 'next') {
     write($fp, '_PGPOOL2_PCP_HOSTNAME',        $_POST['pcp_hostname']);
     write($fp, '_PGPOOL2_PCP_TIMEOUT',         $_POST['pcp_timeout']);
     write($fp, '_PGPOOL2_STATUS_REFRESH_TIME', $_POST['pcp_refreshTime']);
+    write($fp, '_PGPOOL2_CONNECT_TIMEOUT', $_POST['pg_connect_timeout']);
 
     fputs($fp, "?>"."\n");
 
@@ -437,6 +446,12 @@ if (!$error && $action == 'next') {
     <?php showResult($msgPcpRefreshTime); ?>
     </td>
   </tr>
+  <tr>
+	  <th><label><?php echo $message['strPgConnectTimeout'] ?></label></th>
+	  <td><input name="pg_connect_timeout" type="text" value="<?php echo $pg_connect_timeout ?>" size="50" />
+		  <?php showResult($msgPgConnectTimeout); ?>
+	  </td>
+  </tr>
 </table>
 
 <p>
diff --git a/install/defaultParameter.php b/install/defaultParameter.php
index 1be6c12..bea5247 100644
--- a/install/defaultParameter.php
+++ b/install/defaultParameter.php
@@ -37,5 +37,6 @@ define("_PGPOOL2_PCP_DIR", "/usr/local/bin");
 define("_PGPOOL2_PCP_HOSTNAME", "localhost");
 define("_PGPOOL2_PCP_TIMEOUT", "10");
 define("_PGPOOL2_STATUS_REFRESH_TIME", "0");
+define("_PGPOOL2_CONNECT_TIMEOUT", "10");
 
 ?>
diff --git a/install/lang/en.lang.php b/install/lang/en.lang.php
index 49d0635..1433308 100644
--- a/install/lang/en.lang.php
+++ b/install/lang/en.lang.php
@@ -50,6 +50,7 @@ $message = array(
     'strPgpoolLogFile' => 'pgpool Logfile',
     'strPcpDir' => 'PCP directory',
     'strPcpTimeout' => 'PCP Timeout',
+    'strPgConnectTimeout' => 'Postgresql Connect Timeout',
     'strPcpHostName' => 'PCP Hostname',
     'strPcpRefreshTime' => 'Refresh Time',
     'strDependencies' => 'Dependencies',
diff --git a/install/lang/es.lang.php b/install/lang/es.lang.php
index 64e83e9..f322afb 100644
--- a/install/lang/es.lang.php
+++ b/install/lang/es.lang.php
@@ -50,6 +50,7 @@ $message = array(
     'strPgpoolLogFile' => 'Archivo de logs para pgpool',
     'strPcpDir' => 'Directorio PCP ',
     'strPcpTimeout' => 'PCP Timeout',
+    'strPgConnectTimeout' => 'Postgreql connect Timeout',
     'strPcpHostName' => 'Nombre del host PCP',
     'strPcpRefreshTime' => 'Tiempo de actualización',
     'msgCongratulations' => '¡Felicitaciones, herramienta de administración está instalada!',
diff --git a/install/lang/fr.lang.php b/install/lang/fr.lang.php
index 4a62aeb..bf991a2 100644
--- a/install/lang/fr.lang.php
+++ b/install/lang/fr.lang.php
@@ -47,6 +47,7 @@ $message = array(
     'strPgpoolLogFile' => 'Journal Pgpool',
     'strPcpDir' => 'Répertoire PCP',
     'strPcpTimeout' => 'Délai d\'attente PCP',
+    'strPgConnectTimeout' => 'Délai d\'attente Postgresql',
     'strPcpHostName' => 'Nom d\'hôte PCP',
     'strPcpRefreshTime' => 'Temps de rafraichissement',
     'msgCongratulations' => 'Félicitations. L\'outil d\'administration de Pgpool a été installé&nbsp;!',
diff --git a/install/lang/ja.lang.php b/install/lang/ja.lang.php
index 81e8f8c..22c0416 100644
--- a/install/lang/ja.lang.php
+++ b/install/lang/ja.lang.php
@@ -50,6 +50,7 @@ $message = array(
     'strPgpoolLogFile' => 'pgpoolログファイル',
     'strPcpDir' => 'PCPディレクトリ',
     'strPcpTimeout' => 'PCPタイムアウト',
+    'strPgConnectTimeout' => 'Postgreslタイムアウト',
     'strPcpHostName' => 'PCPホスト名',
     'strPcpRefreshTime' => '更新間隔(0で自動更新しない)',
     'strDependencies' => '依存 PHP モジュール',
diff --git a/install/lang/zh_cn.lang.php b/install/lang/zh_cn.lang.php
index 4452c7d..9b815cb 100644
--- a/install/lang/zh_cn.lang.php
+++ b/install/lang/zh_cn.lang.php
@@ -48,6 +48,7 @@ $message = array(
     'strPgpoolLogFile' => 'pgpool 日志文件',
     'strPcpDir' => 'PCP 目录',
     'strPcpTimeout' => 'PCP 超时',
+    'strPgConnectTimeout' => 'Postgresql 超时',
     'strPcpHostName' => 'PCP 主机名',
     'strPcpRefreshTime' => '刷新时间',
     'msgCongratulations' => '恭喜，pgpool 管理工具安装完成。',
diff --git a/lang/en.lang.php b/lang/en.lang.php
index 7edbff7..ba9d59a 100644
--- a/lang/en.lang.php
+++ b/lang/en.lang.php
@@ -320,6 +320,7 @@ $message = array(
     'strPcpDir' => 'PCP Directory',
     'strPcpHostName' => 'PCP Hostname',
     'strPcpRefreshTime' => 'Refresh Time',
+    'strPgConnectTimeout' => 'PostgreSQL Connect Timeout',
     'strPcpTimeout' => 'PCP Timeout',
     'strPgConfFile' => 'pgpool.conf File',
     'strPgConfSetting' => 'pgpool.conf Setting',
diff --git a/lang/es.lang.php b/lang/es.lang.php
index 378785b..b1b771c 100644
--- a/lang/es.lang.php
+++ b/lang/es.lang.php
@@ -296,6 +296,7 @@ $message = array(
     'strPcpDir' => 'PCP Directorio',
     'strPcpHostName' => 'PCP Nombre del Host',
     'strPcpRefreshTime' => 'Tiempo de actualización',
+    'strPgConnectTimeout' => 'Postgresql Espera',
     'strPcpTimeout' => 'PCP Espera',
     'strPgConfFile' => 'Archivo pgpool.conf',
     'strPgConfSetting' => 'Configuración pgpool.conf',
diff --git a/lang/fr.lang.php b/lang/fr.lang.php
index b0c73a7..037240a 100644
--- a/lang/fr.lang.php
+++ b/lang/fr.lang.php
@@ -207,6 +207,7 @@ $message = array(
     'strPcpDir' => 'Répertoire de PCP',
     'strPcpHostName' => 'Nom d\'hôte de PCP',
     'strPcpRefreshTime' => 'Temps de rafraîchissement',
+    'strPgConnectTimeout' => 'Délai de PostgreSQL',
     'strPcpTimeout' => 'Délai de PCP',
     'strPgConfFile' => 'Fichier pgpool.conf',
     'strPgConfSetting' => 'Configuration de pgpool.conf',
diff --git a/lang/ja.lang.php b/lang/ja.lang.php
index 9626c0e..fe07894 100644
--- a/lang/ja.lang.php
+++ b/lang/ja.lang.php
@@ -304,6 +304,7 @@ $message = array(
     'strPcpDir' => 'PCPディレクトリ',
     'strPcpHostName' => 'PCPホスト名',
     'strPcpRefreshTime' => '更新間隔(0で自動更新しない)',
+    'strPgConnectTimeout' => 'PostgreSQL接続タイムアウト',
     'strPcpTimeout' => 'PCPタイムアウト',
     'strPgConfFile' => 'pgpool.confファイル',
     'strPgConfSetting' => 'pgpool.conf設定',
diff --git a/lang/zh_cn.lang.php b/lang/zh_cn.lang.php
index c06413d..221940d 100644
--- a/lang/zh_cn.lang.php
+++ b/lang/zh_cn.lang.php
@@ -302,6 +302,7 @@ $message = array(
     'strPcpDir' => 'PCP 目录',
     'strPcpHostName' => 'PCP 主机名',
     'strPcpRefreshTime' => '刷新时间',
+    'strPgConnectTimeout' => 'PostgreSQL连接超时',
     'strPcpTimeout' => 'PCP 超时',
     'strPgConfFile' => 'pgpool.conf 文件',
     'strPgConfSetting' => 'pgpool.conf 设置',
diff --git a/queryCache.php b/queryCache.php
index 6373ef7..e3e794b 100644
--- a/queryCache.php
+++ b/queryCache.php
@@ -66,6 +66,7 @@ $sysDbParam['port']     = $sysDbParam['system_db_port'];
 $sysDbParam['dbname']   = $sysDbParam['system_db_dbname'];
 $sysDbParam['user']     = $sysDbParam['system_db_user'];
 $sysDbParam['password'] = $sysDbParam['system_db_password'];
+$sysDbParam['connect_timeout'] = _PGPOOL2_CONNECT_TIMEOUT;
 
 $sysDbSchema = $sysDbParam['system_db_schema'];
 
diff --git a/status.php b/status.php
index 2d8fb38..3b18505 100644
--- a/status.php
+++ b/status.php
@@ -532,6 +532,7 @@ function _doPgCtl($nodeNumber, $pg_ctl_action)
         'dbname'   => 'template1',
         'user'     => $_SESSION[SESSION_LOGIN_USER],
         'password' => $_SESSION[SESSION_LOGIN_USER_PASSWORD],
+        'connect_timeout' => _PGPOOL2_CONNECT_TIMEOUT,
     ));
 
     if ($conn == FALSE) {
diff --git a/systemDb.php b/systemDb.php
index 90d015b..8ad4d09 100644
--- a/systemDb.php
+++ b/systemDb.php
@@ -50,6 +50,7 @@ $sysDbParam['port']     = $sysDbParam['system_db_port'];
 $sysDbParam['dbname']   = $sysDbParam['system_db_dbname'];
 $sysDbParam['user']     = $sysDbParam['system_db_user'];
 $sysDbParam['password'] = $sysDbParam['system_db_password'];
+$sysDbParam['connect_timeout'] = _PGPOOL2_CONNECT_TIMEOUT;
 
 $conn = openDBConnection($sysDbParam);
 if ($conn == FALSE) {
diff --git a/templates/config.tpl b/templates/config.tpl
index 2af1a14..6039a12 100644
--- a/templates/config.tpl
+++ b/templates/config.tpl
@@ -102,6 +102,10 @@
           <th><label>{$message.strPcpRefreshTime|escape}</label> (string)</th>
           <td>{custom_input param='pcp_refresh_time' echo=true}</td>
         </tr>
+        <tr>
+          <th><label>{$message.strPgConnectTimeout|escape}</label> (string)</th>
+          <td>{custom_input param='pg_connect_timeout' echo=true}</td>
+        </tr>
       </tbody>
     </table>
   </form>
diff --git a/templates/help/en/config.tpl b/templates/help/en/config.tpl
index 6a6c5b9..0a02035 100644
--- a/templates/help/en/config.tpl
+++ b/templates/help/en/config.tpl
@@ -77,8 +77,13 @@
         <tr>
           <th><label for="PcpRefreshTime">{$message.strPcpRefreshTime|escape}</label>
             (integer)
-            </td>
+            </th>
           <td>The update interval of status is specified every second. When 0 is specified, it doesn't update it automatically. </td></tr>
+        <tr>
+          <th><label for="ConnectTimeout">{$message.strPgConnectTimeout|escape}</label>
+            (integer)
+            </th>
+          <td>The connect timeout for postgresql connections when checking if backend is alive or not. </td></tr>
       </tbody>
     </table>
   <p>Finally, The update button is renewed pushing.</p>