Allow to override default pool connection idle time (60 sec)

Change-Id: Iccd56d4e5d2ab5966c6e6561f65701e5cd1aba79
Reviewed-on: http://review.couchbase.org/84020
Tested-by: Build Bot <[email protected]>
Reviewed-by: Sergey Avseyev <[email protected]>

Author: avsej

api/couchbase.php

@@ -44,6 +44,12 @@
  *   controls the form of the documents, returned by the server if they were in JSON format. When true, it will generate
  *   arrays of arrays, otherwise instances of stdClass.
  *
+ * * `couchbase.pool.max_idle_time_sec` (long), default: `60`
+ *
+ *   controls the maximum interval the underlying connection object could be idle, i.e. without any data/query
+ *   operations. All connections which idle more than this interval will be closed automatically. Cleanup function
+ *   executed after each request using RSHUTDOWN hook.
+ *
  * @package Couchbase
  */
 namespace Couchbase {

couchbase.c

@@ -183,6 +183,7 @@ STD_PHP_INI_ENTRY("couchbase.encoder.compression",           "off",  PHP_INI_ALL
 STD_PHP_INI_ENTRY("couchbase.encoder.compression_threshold", "0",    PHP_INI_ALL, OnUpdateLongGEZero, enc_cmpr_threshold,  zend_couchbase_globals, couchbase_globals)
 STD_PHP_INI_ENTRY("couchbase.encoder.compression_factor",    "0.0",  PHP_INI_ALL, OnUpdateReal,       enc_cmpr_factor,     zend_couchbase_globals, couchbase_globals)
 STD_PHP_INI_ENTRY("couchbase.decoder.json_arrays",           "0",    PHP_INI_ALL, OnUpdateBool,       dec_json_array,      zend_couchbase_globals, couchbase_globals)
+STD_PHP_INI_ENTRY("couchbase.pool.max_idle_time_sec",        "60",   PHP_INI_ALL, OnUpdateLongGEZero, pool_max_idle_time,  zend_couchbase_globals, couchbase_globals)
 PHP_INI_END()
 // clang-format on
 
@@ -212,6 +213,7 @@ static void php_extname_init_globals(zend_couchbase_globals *couchbase_globals)
     couchbase_globals->enc_cmpr_threshold = 0;
     couchbase_globals->enc_cmpr_factor = 0.0;
     couchbase_globals->dec_json_array = 0;
+    couchbase_globals->pool_max_idle_time = 60;
 }
 
 PHP_MINIT_FUNCTION(couchbase)

couchbase.h

@@ -103,6 +103,7 @@ char *enc_cmpr;
 int enc_format_i;
 int enc_cmpr_i;
 long enc_cmpr_threshold;
+long pool_max_idle_time;
 double enc_cmpr_factor;
 zend_bool dec_json_array;
 ZEND_END_MODULE_GLOBALS(couchbase)

src/couchbase/pool.c

@@ -415,8 +415,7 @@ static int pcbc_destroy_idle_connections(
             return 0;
         }
         now = time(NULL);
-        // abandoned more than 60 seconds ago
-        if ((now - conn->idle_at) > 60) {
+        if ((now - conn->idle_at) > PCBCG(pool_max_idle_time)) {
             pcbc_destroy_connection_resource(res);
         }
     }