};
+/**
+ * Scheduler says our listen socket is ready. Process it!
+ *
+ * @param cls handle to our server for which we are processing the listen
+ * socket
+ * @param tc reason why we are running right now
+ */
+static void
+process_listen_socket (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
+
/**
* Scheduler says our listen socket is ready. Process it!
*
struct GNUNET_SERVER_Handle *server = cls;
struct GNUNET_CONNECTION_Handle *sock;
struct GNUNET_SERVER_Client *client;
- struct GNUNET_NETWORK_FDSet *r;
unsigned int i;
server->listen_task = GNUNET_SCHEDULER_NO_TASK;
- r = GNUNET_NETWORK_fdset_create ();
- i = 0;
- while (NULL != server->listen_sockets[i])
- GNUNET_NETWORK_fdset_set (r, server->listen_sockets[i++]);
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
{
/* ignore shutdown, someone else will take care of it! */
- server->listen_task =
- GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_HIGH,
- GNUNET_TIME_UNIT_FOREVER_REL, r, NULL,
- &process_listen_socket, server);
- GNUNET_NETWORK_fdset_destroy (r);
+ GNUNET_SERVER_resume (server);
return;
}
i = 0;
i++;
}
/* listen for more! */
- server->listen_task =
- GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_HIGH,
- GNUNET_TIME_UNIT_FOREVER_REL, r, NULL,
- &process_listen_socket, server);
- GNUNET_NETWORK_fdset_destroy (r);
+ GNUNET_SERVER_resume (server);
}
static struct GNUNET_NETWORK_Handle *
open_listen_socket (const struct sockaddr *serverAddr, socklen_t socklen)
{
- static int on = 1;
struct GNUNET_NETWORK_Handle *sock;
uint16_t port;
int eno;
errno = 0;
return NULL;
}
- if (0 != port)
- {
- if (GNUNET_NETWORK_socket_setsockopt
- (sock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof (on)) != GNUNET_OK)
- LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "setsockopt");
-#ifdef IPV6_V6ONLY
- if ((AF_INET6 == serverAddr->sa_family) &&
- (GNUNET_NETWORK_socket_setsockopt
- (sock, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof (on)) != GNUNET_OK))
- LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "setsockopt");
-#endif
- }
/* bind the socket */
if (GNUNET_OK != GNUNET_NETWORK_socket_bind (sock, serverAddr, socklen))
{
"bind", port,
(AF_INET == serverAddr->sa_family) ? "IPv4" : "IPv6");
else if (AF_UNIX == serverAddr->sa_family)
- LOG (GNUNET_ERROR_TYPE_WARNING,
- _("`%s' failed for `%s': address already in use\n"), "bind",
- ((const struct sockaddr_un *) serverAddr)->sun_path);
+ {
+ const struct sockaddr_un *un = (const struct sockaddr_un *) serverAddr;
+ unsigned int off = 0;
+ if ('\0' == un->sun_path[0])
+ off = 1; /* some UNIXPATHs start with 0 */
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ _("`%s' failed for `%.*s': address already in use\n"), "bind",
+ (int) ((sizeof (un->sun_path) - off)),
+ (&un->sun_path[off]));
+ }
}
GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (sock));
errno = eno;
int require_found)
{
struct GNUNET_SERVER_Handle *server;
- struct GNUNET_NETWORK_FDSet *r;
- int i;
server = GNUNET_malloc (sizeof (struct GNUNET_SERVER_Handle));
server->idle_timeout = idle_timeout;
server->access_cls = access_cls;
server->require_found = require_found;
if (NULL != lsocks)
- {
- r = GNUNET_NETWORK_fdset_create ();
- i = 0;
- while (NULL != server->listen_sockets[i])
- GNUNET_NETWORK_fdset_set (r, server->listen_sockets[i++]);
- server->listen_task =
- GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_HIGH,
- GNUNET_TIME_UNIT_FOREVER_REL, r, NULL,
- &process_listen_socket, server);
- GNUNET_NETWORK_fdset_destroy (r);
- }
+ GNUNET_SERVER_resume (server);
return server;
}
}
+/**
+ * Suspend accepting connections from the listen socket temporarily.
+ *
+ * @param server server to stop accepting connections.
+ */
+void
+GNUNET_SERVER_suspend (struct GNUNET_SERVER_Handle *server)
+{
+ if (GNUNET_SCHEDULER_NO_TASK != server->listen_task)
+ {
+ GNUNET_SCHEDULER_cancel (server->listen_task);
+ server->listen_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+}
+
+
+/**
+ * Resume accepting connections from the listen socket.
+ *
+ * @param server server to stop accepting connections.
+ */
+void
+GNUNET_SERVER_resume (struct GNUNET_SERVER_Handle *server)
+{
+ struct GNUNET_NETWORK_FDSet *r;
+ unsigned int i;
+
+ if (NULL == server->listen_sockets)
+ return;
+ if (NULL == server->listen_sockets[0])
+ return; /* nothing to do, no listen sockets! */
+ if (NULL == server->listen_sockets[1])
+ {
+ /* simplified method: no fd set needed; this is then much simpler and
+ much more efficient */
+ server->listen_task =
+ GNUNET_SCHEDULER_add_read_net_with_priority (GNUNET_TIME_UNIT_FOREVER_REL,
+ GNUNET_SCHEDULER_PRIORITY_HIGH,
+ server->listen_sockets[0],
+ &process_listen_socket, server);
+ return;
+ }
+ r = GNUNET_NETWORK_fdset_create ();
+ i = 0;
+ while (NULL != server->listen_sockets[i])
+ GNUNET_NETWORK_fdset_set (r, server->listen_sockets[i++]);
+ server->listen_task =
+ GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_HIGH,
+ GNUNET_TIME_UNIT_FOREVER_REL, r, NULL,
+ &process_listen_socket, server);
+ GNUNET_NETWORK_fdset_destroy (r);
+}
+
+
/**
* Stop the listen socket and get ready to shutdown the server
* once only 'monitor' clients are left.
{
struct GNUNET_SERVER_Client *client = cls;
+ GNUNET_break (0 != client->warn_type); /* type should never be 0 here, as we don't use 0 */
client->warn_task =
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MINUTES,
&warn_no_receive_done, client);
}
if (NULL != sender)
{
- if (0 == sender->suspended)
+ if ( (0 == sender->suspended) &&
+ (GNUNET_SCHEDULER_NO_TASK == sender->warn_task) )
{
- sender->warn_start = GNUNET_TIME_absolute_get ();
+ GNUNET_break (0 != type); /* type should never be 0 here, as we don't use 0 */
+ sender->warn_start = GNUNET_TIME_absolute_get ();
sender->warn_task =
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MINUTES,
&warn_no_receive_done, sender);
const struct sockaddr *addr, socklen_t addrlen, int errCode)
{
struct GNUNET_SERVER_Client *client = cls;
- struct GNUNET_SERVER_Client *tmp;
struct GNUNET_SERVER_Handle *server = client->server;
struct GNUNET_TIME_Absolute end;
struct GNUNET_TIME_Absolute now;
int ret;
- /* Check if this client is still valid */
- for (tmp = server->clients_head; NULL != tmp; tmp = tmp->next)
- {
- if (tmp == client)
- break;
- }
-
- if (NULL == tmp)
- {
- GNUNET_break (0);
- return;
- }
-
GNUNET_assert (GNUNET_YES == client->receive_pending);
client->receive_pending = GNUNET_NO;
now = GNUNET_TIME_absolute_get ();
GNUNET_CONTAINER_DLL_remove (server->clients_head,
server->clients_tail,
client);
- if (GNUNET_SCHEDULER_NO_TASK != client->restart_task)
- {
- GNUNET_SCHEDULER_cancel (client->restart_task);
- client->restart_task = GNUNET_SCHEDULER_NO_TASK;
- }
- if (GNUNET_SCHEDULER_NO_TASK != client->warn_task)
- {
- GNUNET_SCHEDULER_cancel (client->warn_task);
- client->warn_task = GNUNET_SCHEDULER_NO_TASK;
- }
if (NULL != server->mst_destroy)
server->mst_destroy (server->mst_cls, client->mst);
else
GNUNET_SERVER_notify_transmit_ready_cancel (&client->th);
(void) GNUNET_SCHEDULER_add_now (&destroy_connection,
client->connection);
+ /* need to cancel again, as it might have been re-added
+ in the meantime (i.e. during callbacks) */
+ if (GNUNET_SCHEDULER_NO_TASK != client->warn_task)
+ {
+ GNUNET_SCHEDULER_cancel (client->warn_task);
+ client->warn_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+ if (GNUNET_YES == client->receive_pending)
+ {
+ GNUNET_CONNECTION_receive_cancel (client->connection);
+ client->receive_pending = GNUNET_NO;
+ }
GNUNET_free (client);
/* we might be in soft-shutdown, test if we're done */
if (NULL != server)
projects / oweals / gnunet.git / blobdiff