static void
run_queue (SoupSessionAsync *sa)
{
SoupSession *session = SOUP_SESSION (sa);
SoupMessageQueue *queue = soup_session_get_queue (session);
SoupMessageQueueItem *item;
SoupProxyURIResolver *proxy_resolver;
SoupMessage *msg;
SoupConnection *conn;
gboolean try_pruning = TRUE, should_prune = FALSE;
soup_session_cleanup_connections (session, FALSE);
try_again:
for (item = soup_message_queue_first (queue);
item && !should_prune;
item = soup_message_queue_next (queue, item)) {
msg = item->msg;
/* CONNECT messages are handled specially */
if (msg->method == SOUP_METHOD_CONNECT)
continue;
if (soup_message_io_in_progress (msg))
continue;
if (!item->resolved_proxy_addr) {
proxy_resolver = (SoupProxyURIResolver *)soup_session_get_feature_for_message (session, SOUP_TYPE_PROXY_URI_RESOLVER, msg);
if (proxy_resolver) {
resolve_proxy_addr (item, proxy_resolver);
continue;
} else
item->resolved_proxy_addr = TRUE;
}
conn = soup_session_get_connection (session, item,
&should_prune);
if (!conn)
continue;
if (soup_connection_get_state (conn) == SOUP_CONNECTION_NEW) {
soup_connection_connect_async (conn, got_connection,
session);
} else
soup_session_send_queue_item (session, item, conn);
}
if (item)
soup_message_queue_item_unref (item);
if (try_pruning && should_prune) {
/* There is at least one message in the queue that
* could be sent if we pruned an idle connection from
* some other server.
*/
if (soup_session_cleanup_connections (session, TRUE)) {
try_pruning = should_prune = FALSE;
goto try_again;
}
}
}
static void
tunnel_connected (SoupMessage *msg, gpointer user_data)
{
SoupSessionAsyncTunnelData *data = user_data;
if (SOUP_MESSAGE_IS_STARTING (msg)) {
soup_session_send_queue_item (data->session, data->item, data->conn);
return;
}
if (!SOUP_STATUS_IS_SUCCESSFUL (msg->status_code)) {
soup_session_connection_failed (data->session, data->conn,
msg->status_code);
goto done;
}
if (!soup_connection_start_ssl (data->conn)) {
soup_session_connection_failed (data->session, data->conn,
SOUP_STATUS_SSL_FAILED);
goto done;
}
g_signal_connect (data->conn, "disconnected",
G_CALLBACK (connection_closed), data->session);
soup_connection_set_state (data->conn, SOUP_CONNECTION_IDLE);
do_idle_run_queue (data->session);
done:
soup_message_queue_item_unref (data->item);
g_slice_free (SoupSessionAsyncTunnelData, data);
}
static void
tunnel_message_completed (SoupMessage *msg, gpointer user_data)
{
SoupMessageQueueItem *item = user_data;
SoupSession *session = item->session;
if (item->state == SOUP_MESSAGE_RESTARTING) {
soup_message_restarted (msg);
if (item->conn) {
soup_session_send_queue_item (session, item, tunnel_message_completed);
return;
}
soup_message_set_status (msg, SOUP_STATUS_TRY_AGAIN);
}
item->state = SOUP_MESSAGE_FINISHED;
if (!SOUP_STATUS_IS_SUCCESSFUL (msg->status_code)) {
if (item->conn)
soup_connection_disconnect (item->conn);
if (msg->status_code == SOUP_STATUS_TRY_AGAIN) {
item->related->state = SOUP_MESSAGE_AWAITING_CONNECTION;
g_object_unref (item->related->conn);
item->related->conn = NULL;
} else
soup_message_set_status (item->related->msg, msg->status_code);
goto done;
}
if (!soup_connection_start_ssl (item->conn)) {
if (item->conn)
soup_connection_disconnect (item->conn);
soup_message_set_status (item->related->msg, SOUP_STATUS_SSL_FAILED);
goto done;
}
g_signal_connect (item->conn, "disconnected",
G_CALLBACK (connection_closed), item->session);
soup_connection_set_state (item->conn, SOUP_CONNECTION_IDLE);
soup_connection_set_state (item->conn, SOUP_CONNECTION_IN_USE);
item->related->state = SOUP_MESSAGE_READY;
done:
soup_message_finished (msg);
if (item->related->msg->status_code)
item->related->state = SOUP_MESSAGE_FINISHING;
do_idle_run_queue (item->session);
soup_message_queue_item_unref (item->related);
soup_session_unqueue_item (session, item);
soup_message_queue_item_unref (item);
g_object_unref (session);
}
static void
got_connection (SoupConnection *conn, guint status, gpointer session)
{
SoupAddress *tunnel_addr;
if (status != SOUP_STATUS_OK) {
/* There may have been messages waiting for the
* connection count to go down, so queue a run_queue.
*/
do_idle_run_queue (session);
soup_session_connection_failed (session, conn, status);
/* session may be destroyed at this point */
return;
}
tunnel_addr = soup_connection_get_tunnel_addr (conn);
if (tunnel_addr) {
SoupSessionAsyncTunnelData *data;
data = g_slice_new (SoupSessionAsyncTunnelData);
data->session = session;
data->conn = conn;
data->item = soup_session_make_connect_message (session, tunnel_addr);
g_signal_emit_by_name (session, "tunneling", conn);
g_signal_connect (data->item->msg, "finished",
G_CALLBACK (tunnel_connected), data);
g_signal_connect (data->item->msg, "restarted",
G_CALLBACK (tunnel_connected), data);
soup_session_send_queue_item (session, data->item, conn);
return;
}
g_signal_connect (conn, "disconnected",
G_CALLBACK (connection_closed), session);
/* @conn has been marked reserved by SoupSession, but
* we don't actually have any specific message in mind
* for it. (In particular, the message we were
* originally planning to queue on it may have already
* been queued on some other connection that became
* available while we were waiting for this one to
* connect.) So we release the connection into the
* idle pool and then just run the queue and see what
* happens.
*/
soup_connection_set_state (conn, SOUP_CONNECTION_IDLE);
do_idle_run_queue (session);
}
static void
got_connection (SoupConnection *conn, guint status, gpointer user_data)
{
SoupMessageQueueItem *item = user_data;
SoupSession *session = item->session;
SoupAddress *tunnel_addr;
if (item->state != SOUP_MESSAGE_CONNECTING) {
soup_connection_disconnect (conn);
do_idle_run_queue (session);
soup_message_queue_item_unref (item);
g_object_unref (session);
return;
}
if (status != SOUP_STATUS_OK) {
soup_session_set_item_status (session, item, status);
item->state = SOUP_MESSAGE_FINISHING;
soup_connection_disconnect (conn);
do_idle_run_queue (session);
soup_message_queue_item_unref (item);
g_object_unref (session);
return;
}
tunnel_addr = soup_connection_get_tunnel_addr (conn);
if (tunnel_addr) {
SoupMessageQueueItem *tunnel_item;
item->state = SOUP_MESSAGE_TUNNELING;
tunnel_item = soup_session_make_connect_message (session, conn);
tunnel_item->related = item;
soup_session_send_queue_item (session, tunnel_item, tunnel_message_completed);
return;
}
item->state = SOUP_MESSAGE_READY;
g_signal_connect (conn, "disconnected",
G_CALLBACK (connection_closed), session);
run_queue ((SoupSessionAsync *)session);
soup_message_queue_item_unref (item);
g_object_unref (session);
}
static void
process_queue_item (SoupMessageQueueItem *item,
gboolean *should_prune,
gboolean loop)
{
SoupSession *session = item->session;
SoupProxyURIResolver *proxy_resolver;
do {
switch (item->state) {
case SOUP_MESSAGE_STARTING:
proxy_resolver = (SoupProxyURIResolver *)soup_session_get_feature_for_message (session, SOUP_TYPE_PROXY_URI_RESOLVER, item->msg);
if (!proxy_resolver) {
item->state = SOUP_MESSAGE_AWAITING_CONNECTION;
break;
}
resolve_proxy_addr (item, proxy_resolver);
return;
case SOUP_MESSAGE_AWAITING_CONNECTION:
if (!soup_session_get_connection (session, item, should_prune))
return;
if (soup_connection_get_state (item->conn) != SOUP_CONNECTION_NEW) {
item->state = SOUP_MESSAGE_READY;
break;
}
item->state = SOUP_MESSAGE_CONNECTING;
soup_message_queue_item_ref (item);
g_object_ref (session);
soup_connection_connect_async (item->conn, item->cancellable,
got_connection, item);
return;
case SOUP_MESSAGE_READY:
item->state = SOUP_MESSAGE_RUNNING;
soup_session_send_queue_item (session, item, message_completed);
break;
case SOUP_MESSAGE_RESTARTING:
item->state = SOUP_MESSAGE_STARTING;
soup_message_restarted (item->msg);
break;
case SOUP_MESSAGE_FINISHING:
item->state = SOUP_MESSAGE_FINISHED;
soup_message_finished (item->msg);
if (item->state != SOUP_MESSAGE_FINISHED)
break;
g_object_ref (session);
soup_session_unqueue_item (session, item);
if (item->callback)
item->callback (session, item->msg, item->callback_data);
g_object_unref (item->msg);
do_idle_run_queue (session);
g_object_unref (session);
return;
default:
/* Nothing to do with this message in any
* other state.
*/
return;
}
} while (loop && item->state != SOUP_MESSAGE_FINISHED);
}