From: Sebastian Harl <sh@tokkee.org>
Date: Mon, 21 Apr 2014 18:22:22 +0000 (+0200)
Subject: frontend: Added sdb_fe_sock_clear_listeners().
X-Git-Tag: sysdb-0.1.0~104
X-Git-Url: https://git.tokkee.org/?p=sysdb.git;a=commitdiff_plain;h=822c6c9f5e9a0482c568371eb9da5e55426c1c15

frontend: Added sdb_fe_sock_clear_listeners().

This function may be used to shut down and clear all listeners associated with
a socket object without affecting any open connections.
---

diff --git a/src/frontend/sock.c b/src/frontend/sock.c
index 7cfdb7c..90aeab1 100644
--- a/src/frontend/sock.c
+++ b/src/frontend/sock.c
@@ -274,6 +274,20 @@ listener_create(sdb_fe_socket_t *sock, const char *address)
 	return listener;
 } /* listener_create */
 
+static void
+socket_clear(sdb_fe_socket_t *sock)
+{
+	size_t i;
+
+	assert(sock);
+	for (i = 0; i < sock->listeners_num; ++i)
+		listener_destroy(sock->listeners + i);
+	if (sock->listeners)
+		free(sock->listeners);
+	sock->listeners = NULL;
+	sock->listeners_num = 0;
+} /* socket_clear */
+
 static void
 socket_close(sdb_fe_socket_t *sock)
 {
@@ -423,17 +437,10 @@ sdb_fe_sock_create(void)
 void
 sdb_fe_sock_destroy(sdb_fe_socket_t *sock)
 {
-	size_t i;
-
 	if (! sock)
 		return;
 
-	for (i = 0; i < sock->listeners_num; ++i) {
-		listener_destroy(sock->listeners + i);
-	}
-	if (sock->listeners)
-		free(sock->listeners);
-	sock->listeners = NULL;
+	socket_clear(sock);
 
 	sdb_llist_destroy(sock->open_connections);
 	sock->open_connections = NULL;
@@ -454,6 +461,15 @@ sdb_fe_sock_add_listener(sdb_fe_socket_t *sock, const char *address)
 	return 0;
 } /* sdb_fe_sock_add_listener */
 
+void
+sdb_fe_sock_clear_listeners(sdb_fe_socket_t *sock)
+{
+	if (! sock)
+		return;
+
+	socket_clear(sock);
+} /* sdb_fe_sock_clear_listeners */
+
 int
 sdb_fe_sock_listen_and_serve(sdb_fe_socket_t *sock, sdb_fe_loop_t *loop)
 {
diff --git a/src/include/frontend/sock.h b/src/include/frontend/sock.h
index 7d1fd7a..2b93a6f 100644
--- a/src/include/frontend/sock.h
+++ b/src/include/frontend/sock.h
@@ -83,6 +83,14 @@ sdb_fe_sock_destroy(sdb_fe_socket_t *sock);
 int
 sdb_fe_sock_add_listener(sdb_fe_socket_t *sock, const char *address);
 
+/*
+ * sdb_fe_sock_clear_listeners:
+ * Shut down all listeners from the socket object and clear the list of
+ * listeners. All open connections will not be affected by this.
+ */
+void
+sdb_fe_sock_clear_listeners(sdb_fe_socket_t *sock);
+
 /*
  * sdb_fe_sock_listen_and_serve:
  * Listen on the specified socket and serve client requests. The loop