res_config_pgsql: normalize database connection option with cel and cdr by supporting new options name

configs/samples/res_pgsql.conf.sample

@@ -1,25 +1,25 @@
 ;
 ; Sample configuration for res_config_pgsql
 ;
-; The value of dbhost may be either a hostname or an IP address.
+; The value of hostname may be either a hostname or an IP address.
-; If dbhost is commented out or the string "localhost", a connection
+; If hostname is commented out or the string "localhost", a connection
 ; to the local host is assumed and dbsock is used instead of TCP/IP
 ; to connect to the server.
 ;
 [general]
-dbhost=127.0.0.1
+;hostname=localhost
-dbport=5432
+;port=5432
-dbname=asterisk
+;dbname=asterisk
-dbuser=asterisk
+;user=postgres
-dbpass=password
+;password=password
-;dbappname=asterisk    ; Postgres application_name support (optional). Whitespace not allowed.
+;appname=asterisk    ; Postgres application_name support (optional). Whitespace not allowed.
-;
+
-; dbsock is specified as the directory where the socket file may be found. The
+; socket is specified as the directory where the socket file may be found. The
-; actual socket is constructed as a combination of dbsock and dbport.  For
+; actual socket is constructed as a combination of socket and port.  For
 ; example, the values of '/tmp' and '5432', respectively, will specify a socket
 ; file of '/tmp/.s.PGSQL.5432'.
 ;
-;dbsock=/tmp
+;socket=/tmp
 ;
 ; requirements - At startup, each realtime family will make requirements
 ; on the backend.  There are several strategies for handling requirements:

res/res_config_pgsql.c

@@ -1459,61 +1459,80 @@ static int parse_config(int is_reload)
 		pgsqlConn = NULL;
 	}
 
-	if (!(s = ast_variable_retrieve(config, "general", "dbuser"))) {
+	/* Check new 'user' option first, then fall back to legacy 'dbuser' */
-		ast_log(LOG_WARNING,
+	s = ast_variable_retrieve(config, "general", "user");
-				"PostgreSQL RealTime: No database user found, using 'asterisk' as default.\n");
+	if (!s) {
+		s = ast_variable_retrieve(config, "general", "dbuser");
+	}
+	if (!s) {
+		ast_log(LOG_WARNING, "PostgreSQL RealTime: No database user found, using 'asterisk' as default.\n");
 		strcpy(dbuser, "asterisk");
 	} else {
 		ast_copy_string(dbuser, s, sizeof(dbuser));
 	}
 
-	if (!(s = ast_variable_retrieve(config, "general", "dbpass"))) {
+	/* Check new 'password' option first, then fall back to legacy 'dbpass' */
-		ast_log(LOG_WARNING,
+	s = ast_variable_retrieve(config, "general", "password");
-				"PostgreSQL RealTime: No database password found, using 'asterisk' as default.\n");
+	if (!s) {
+		s = ast_variable_retrieve(config, "general", "dbpass");
+	}
+	if (!s) {
+		ast_log(LOG_WARNING, "PostgreSQL RealTime: No database password found, using 'asterisk' as default.\n");
 		strcpy(dbpass, "asterisk");
 	} else {
 		ast_copy_string(dbpass, s, sizeof(dbpass));
 	}
 
-	if (!(s = ast_variable_retrieve(config, "general", "dbhost"))) {
+	/* Check new 'hostname' option first, then fall back to legacy 'dbhost' */
-		ast_log(LOG_WARNING,
+	s = ast_variable_retrieve(config, "general", "hostname");
-				"PostgreSQL RealTime: No database host found, using localhost via socket.\n");
+	if (!s) {
+		s = ast_variable_retrieve(config, "general", "dbhost");
+	}
+	if (!s) {
+		ast_log(LOG_WARNING, "PostgreSQL RealTime: No database host found, using localhost via socket.\n");
 		dbhost[0] = '\0';
 	} else {
 		ast_copy_string(dbhost, s, sizeof(dbhost));
 	}
 
-	if (!(s = ast_variable_retrieve(config, "general", "dbname"))) {
+	/* Check new 'port' option first, then fall back to legacy 'dbport' */
-		ast_log(LOG_WARNING,
+	s = ast_variable_retrieve(config, "general", "port");
-				"PostgreSQL RealTime: No database name found, using 'asterisk' as default.\n");
+	if (!s) {
-		strcpy(dbname, "asterisk");
+		s = ast_variable_retrieve(config, "general", "dbport");
-	} else {
-		ast_copy_string(dbname, s, sizeof(dbname));
 	}
-
+	if (!s) {
-	if (!(s = ast_variable_retrieve(config, "general", "dbport"))) {
+		ast_log(LOG_WARNING, "PostgreSQL RealTime: No database port found, using 5432 as default.\n");
-		ast_log(LOG_WARNING,
-				"PostgreSQL RealTime: No database port found, using 5432 as default.\n");
 		dbport = 5432;
 	} else {
 		dbport = atoi(s);
 	}
 
-	if (!(s = ast_variable_retrieve(config, "general", "dbappname"))) {
+	/* Check new 'appname' option first, then fall back to legacy 'dbappname' */
+	s = ast_variable_retrieve(config, "general", "appname");
+	if (!s) {
+		s = ast_variable_retrieve(config, "general", "dbappname");
+	}
+	if (!s) {
 		dbappname[0] = '\0';
 	} else {
 		ast_copy_string(dbappname, s, sizeof(dbappname));
 	}
 
+	/* Handle socket configuration if no host is specified */
 	if (!ast_strlen_zero(dbhost)) {
 		/* No socket needed */
-	} else if (!(s = ast_variable_retrieve(config, "general", "dbsock"))) {
+	} else {
-		ast_log(LOG_WARNING,
+		s = ast_variable_retrieve(config, "general", "socket");
-				"PostgreSQL RealTime: No database socket found, using '/tmp/.s.PGSQL.%d' as default.\n", dbport);
+		if (!s) {
+			s = ast_variable_retrieve(config, "general", "dbsock");
+		}
+		if (!s) {
+			ast_log(LOG_WARNING, "PostgreSQL RealTime: No database socket found, using '/tmp/.s.PGSQL.%d' as default.\n", dbport);
 			strcpy(dbsock, "/tmp");
 		} else {
 			ast_copy_string(dbsock, s, sizeof(dbsock));
 		}
+	}
 
 	if (!(s = ast_variable_retrieve(config, "general", "requirements"))) {
 		ast_log(LOG_WARNING,