diff options
Diffstat (limited to 'dbus/dbus-transport.c')
| -rw-r--r-- | dbus/dbus-transport.c | 107 |
1 files changed, 92 insertions, 15 deletions
diff --git a/dbus/dbus-transport.c b/dbus/dbus-transport.c index e3ed59e8..3c67621d 100644 --- a/dbus/dbus-transport.c +++ b/dbus/dbus-transport.c @@ -29,6 +29,8 @@ #include "dbus-auth.h" #include "dbus-address.h" #include "dbus-credentials.h" +#include "dbus-message-private.h" +#include "dbus-marshal-header.h" #ifdef DBUS_BUILD_TESTS #include "dbus-server-debug-pipe.h" #endif @@ -55,7 +57,7 @@ */ static void -live_messages_size_notify (DBusCounter *counter, +live_messages_notify (DBusCounter *counter, void *user_data) { DBusTransport *transport = user_data; @@ -63,8 +65,10 @@ live_messages_size_notify (DBusCounter *counter, _dbus_transport_ref (transport); #if 0 - _dbus_verbose ("Counter value is now %d\n", - (int) _dbus_counter_get_value (counter)); + _dbus_verbose ("Size counter value is now %d\n", + (int) _dbus_counter_get_size_value (counter)); + _dbus_verbose ("Unix FD counter value is now %d\n", + (int) _dbus_counter_get_unix_fd_value (counter)); #endif /* disable or re-enable the read watch for the transport if @@ -155,7 +159,7 @@ _dbus_transport_init_base (DBusTransport *transport, transport->vtable = vtable; transport->loader = loader; transport->auth = auth; - transport->live_messages_size = counter; + transport->live_messages = counter; transport->authenticated = FALSE; transport->disconnected = FALSE; transport->is_server = (server_guid != NULL); @@ -178,17 +182,22 @@ _dbus_transport_init_base (DBusTransport *transport, */ transport->max_live_messages_size = _DBUS_ONE_MEGABYTE * 63; + /* On Linux RLIMIT_NOFILE defaults to 1024, so allowing 4096 fds live + should be more than enough */ + transport->max_live_messages_unix_fds = 4096; + /* credentials read from socket if any */ transport->credentials = creds; - - _dbus_counter_set_notify (transport->live_messages_size, + + _dbus_counter_set_notify (transport->live_messages, transport->max_live_messages_size, - live_messages_size_notify, + transport->max_live_messages_unix_fds, + live_messages_notify, transport); if (transport->address) _dbus_verbose ("Initialized transport on address %s\n", transport->address); - + return TRUE; } @@ -212,9 +221,9 @@ _dbus_transport_finalize_base (DBusTransport *transport) _dbus_message_loader_unref (transport->loader); _dbus_auth_unref (transport->auth); - _dbus_counter_set_notify (transport->live_messages_size, - 0, NULL, NULL); - _dbus_counter_unref (transport->live_messages_size); + _dbus_counter_set_notify (transport->live_messages, + 0, 0, NULL, NULL); + _dbus_counter_unref (transport->live_messages); dbus_free (transport->address); dbus_free (transport->expected_guid); if (transport->credentials) @@ -803,6 +812,18 @@ _dbus_transport_get_is_anonymous (DBusTransport *transport) } /** + * Returns TRUE if the transport supports sending unix fds. + * + * @param transport the transport + * @returns #TRUE if TRUE it is possible to send unix fds across the transport. + */ +dbus_bool_t +_dbus_transport_can_pass_unix_fd(DBusTransport *transport) +{ + return DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport); +} + +/** * Gets the address of a transport. It will be * #NULL for a server-side transport. * @@ -1059,7 +1080,8 @@ recover_unused_bytes (DBusTransport *transport) DBusDispatchStatus _dbus_transport_get_dispatch_status (DBusTransport *transport) { - if (_dbus_counter_get_value (transport->live_messages_size) >= transport->max_live_messages_size) + if (_dbus_counter_get_size_value (transport->live_messages) >= transport->max_live_messages_size || + _dbus_counter_get_unix_fd_value (transport->live_messages) >= transport->max_live_messages_unix_fds) return DBUS_DISPATCH_COMPLETE; /* complete for now */ if (!_dbus_transport_get_is_authenticated (transport)) @@ -1116,7 +1138,7 @@ _dbus_transport_queue_messages (DBusTransport *transport) _dbus_verbose ("queueing received message %p\n", message); - if (!_dbus_message_add_size_counter (message, transport->live_messages_size)) + if (!_dbus_message_add_counter (message, transport->live_messages)) { _dbus_message_loader_putback_message_link (transport->loader, link); @@ -1154,6 +1176,19 @@ _dbus_transport_set_max_message_size (DBusTransport *transport, } /** + * See dbus_connection_set_max_message_unix_fds(). + * + * @param transport the transport + * @param n the max number of unix fds of a single message + */ +void +_dbus_transport_set_max_message_unix_fds (DBusTransport *transport, + long n) +{ + _dbus_message_loader_set_max_message_unix_fds (transport->loader, n); +} + +/** * See dbus_connection_get_max_message_size(). * * @param transport the transport @@ -1166,6 +1201,18 @@ _dbus_transport_get_max_message_size (DBusTransport *transport) } /** + * See dbus_connection_get_max_message_unix_fds(). + * + * @param transport the transport + * @returns max message unix fds + */ +long +_dbus_transport_get_max_message_unix_fds (DBusTransport *transport) +{ + return _dbus_message_loader_get_max_message_unix_fds (transport->loader); +} + +/** * See dbus_connection_set_max_received_size(). * * @param transport the transport @@ -1176,12 +1223,30 @@ _dbus_transport_set_max_received_size (DBusTransport *transport, long size) { transport->max_live_messages_size = size; - _dbus_counter_set_notify (transport->live_messages_size, + _dbus_counter_set_notify (transport->live_messages, transport->max_live_messages_size, - live_messages_size_notify, + transport->max_live_messages_unix_fds, + live_messages_notify, transport); } +/** + * See dbus_connection_set_max_received_unix_fds(). + * + * @param transport the transport + * @param n the max unix fds of all incoming messages + */ +void +_dbus_transport_set_max_received_unix_fds (DBusTransport *transport, + long n) +{ + transport->max_live_messages_unix_fds = n; + _dbus_counter_set_notify (transport->live_messages, + transport->max_live_messages_size, + transport->max_live_messages_unix_fds, + live_messages_notify, + transport); +} /** * See dbus_connection_get_max_received_size(). @@ -1196,6 +1261,18 @@ _dbus_transport_get_max_received_size (DBusTransport *transport) } /** + * See dbus_connection_set_max_received_unix_fds(). + * + * @param transport the transport + * @returns max unix fds for all live messages + */ +long +_dbus_transport_get_max_received_unix_fds (DBusTransport *transport) +{ + return transport->max_live_messages_unix_fds; +} + +/** * See dbus_connection_get_unix_user(). * * @param transport the transport |