Make cdr_pgsql gracefully handle restarts (bug #3628)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5056 65c4cc65-6c06-0410-ace0-fbb531ad65f3

cdr/cdr_pgsql.c

@@ -132,6 +132,19 @@ static int pgsql_log(struct ast_cdr *cdr)
                         pgerror = PQresultErrorMessage(result);
 			ast_log(LOG_ERROR,"cdr_pgsql: Failed to insert call detail record into database!\n");
                         ast_log(LOG_ERROR,"cdr_pgsql: Reason: %s\n", pgerror);
+			ast_log(LOG_ERROR,"cdr_pgsql: Connection may have been lost... attempting to reconnect.\n");
+			PQreset(conn);
+			if (PQstatus(conn) == CONNECTION_OK) {
+				ast_log(LOG_ERROR, "cdr_pgsql: Connection reestablished.\n");
+				connected = 1;
+				result = PQexec(conn, sqlcmd);
+				if ( PQresultStatus(result) != PGRES_COMMAND_OK)
+				{
+					pgerror = PQresultErrorMessage(result);
+					ast_log(LOG_ERROR,"cdr_pgsql: HARD ERROR!  Attempted reconnection failed.  DROPPING CALL RECORD!\n");
+					ast_log(LOG_ERROR,"cdr_pgsql: Reason: %s\n", pgerror);
+				}
+			}
 			ast_mutex_unlock(&pgsql_lock);
 			return -1;
 		}
@@ -314,7 +327,7 @@ static int process_my_load_module(struct ast_config *cfg)
 		connected = 1;
 	} else {
                 pgerror = PQerrorMessage(conn);
-		ast_log(LOG_ERROR, "cdr_pgsql: Unable to connect to database server %s.  Calls will not be logged!\n", pghostname);
+		ast_log(LOG_ERROR, "cdr_pgsql: Unable to connect to database server %s.  CALLS WILL NOT BE LOGGED!!\n", pghostname);
                 ast_log(LOG_ERROR, "cdr_pgsql: Reason: %s\n", pgerror);
 		connected = 0;
 	}