1 /* -*- mode: C; c-file-style: "gnu" -*- */
2 /* dbus-server-debug-pipe.c In-proc debug server implementation
4 * Copyright (C) 2003 CodeFactory AB
5 * Copyright (C) 2003 Red Hat, Inc.
7 * Licensed under the Academic Free License version 1.2
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include "dbus-internals.h"
26 #include "dbus-server-debug-pipe.h"
27 #include "dbus-transport-unix.h"
28 #include "dbus-connection-internal.h"
29 #include "dbus-hash.h"
31 #ifdef DBUS_BUILD_TESTS
34 * @defgroup DBusServerDebugPipe DBusServerDebugPipe
35 * @ingroup DBusInternals
36 * @brief In-process pipe debug server used in unit tests.
38 * Types and functions related to DBusServerDebugPipe.
39 * This is used for unit testing.
45 * Opaque object representing a debug server implementation.
47 typedef struct DBusServerDebugPipe DBusServerDebugPipe;
50 * Implementation details of DBusServerDebugPipe. All members
53 struct DBusServerDebugPipe
55 DBusServer base; /**< Parent class members. */
57 char *name; /**< Server name. */
59 dbus_bool_t disconnected; /**< TRUE if disconnect has been called */
62 static DBusHashTable *server_pipe_hash;
66 debug_finalize (DBusServer *server)
68 DBusServerDebugPipe *debug_server = (DBusServerDebugPipe*) server;
70 _dbus_server_finalize_base (server);
72 dbus_free (debug_server->name);
77 debug_handle_watch (DBusServer *server,
85 debug_disconnect (DBusServer *server)
87 ((DBusServerDebugPipe*)server)->disconnected = TRUE;
90 static DBusServerVTable debug_vtable = {
97 * Creates a new debug server using an in-process pipe
99 * @param server_name the name of the server.
100 * @param result address where a result code can be returned.
101 * @returns a new server, or #NULL on failure.
104 _dbus_server_debug_pipe_new (const char *server_name,
105 DBusResultCode *result)
107 DBusServerDebugPipe *debug_server;
109 if (!server_pipe_hash)
111 server_pipe_hash = _dbus_hash_table_new (DBUS_HASH_STRING, NULL, NULL);
113 if (!server_pipe_hash)
115 dbus_set_result (result, DBUS_RESULT_NO_MEMORY);
120 if (_dbus_hash_table_lookup_string (server_pipe_hash, server_name) != NULL)
122 dbus_set_result (result, DBUS_RESULT_ADDRESS_IN_USE);
126 debug_server = dbus_new0 (DBusServerDebugPipe, 1);
128 if (debug_server == NULL)
131 debug_server->name = _dbus_strdup (server_name);
132 if (debug_server->name == NULL)
134 dbus_free (debug_server->name);
135 dbus_free (debug_server);
137 dbus_set_result (result, DBUS_RESULT_NO_MEMORY);
140 if (!_dbus_server_init_base (&debug_server->base,
143 dbus_free (debug_server->name);
144 dbus_free (debug_server);
146 dbus_set_result (result, DBUS_RESULT_NO_MEMORY);
151 if (!_dbus_hash_table_insert_string (server_pipe_hash,
155 _dbus_server_finalize_base (&debug_server->base);
156 dbus_free (debug_server->name);
157 dbus_free (debug_server);
159 dbus_set_result (result, DBUS_RESULT_NO_MEMORY);
164 dbus_set_result (result, DBUS_RESULT_SUCCESS);
166 return (DBusServer *)debug_server;
170 * Creates the client-side transport for
171 * a debug-pipe connection connected to the
172 * given debug-pipe server name.
174 * @param server_name name of server to connect to
175 * @param result return location for result
176 * @returns #NULL on no memory or transport
179 _dbus_transport_debug_pipe_new (const char *server_name,
180 DBusResultCode *result)
182 DBusTransport *client_transport;
183 DBusTransport *server_transport;
184 DBusConnection *connection;
185 int client_fd, server_fd;
188 server = _dbus_hash_table_lookup_string (server_pipe_hash,
190 if (server == NULL ||
191 ((DBusServerDebugPipe*)server)->disconnected)
193 dbus_set_result (result, DBUS_RESULT_BAD_ADDRESS);
197 if (!_dbus_full_duplex_pipe (&client_fd, &server_fd,
200 _dbus_verbose ("failed to create full duplex pipe\n");
201 dbus_set_result (result, DBUS_RESULT_FAILED);
205 _dbus_fd_set_close_on_exec (client_fd);
206 _dbus_fd_set_close_on_exec (server_fd);
208 client_transport = _dbus_transport_new_for_fd (client_fd,
210 if (client_transport == NULL)
212 _dbus_close (client_fd, NULL);
213 _dbus_close (server_fd, NULL);
219 server_transport = _dbus_transport_new_for_fd (server_fd,
221 if (server_transport == NULL)
223 _dbus_transport_unref (client_transport);
224 _dbus_close (server_fd, NULL);
230 connection = _dbus_connection_new_for_transport (server_transport);
231 _dbus_transport_unref (server_transport);
232 server_transport = NULL;
234 if (connection == NULL)
236 _dbus_transport_unref (client_transport);
240 /* See if someone wants to handle this new connection,
241 * self-referencing for paranoia
243 if (server->new_connection_function)
245 dbus_server_ref (server);
246 (* server->new_connection_function) (server, connection,
247 server->new_connection_data);
248 dbus_server_unref (server);
251 /* If no one grabbed a reference, the connection will die,
252 * and the client transport will get an immediate disconnect
254 dbus_connection_unref (connection);
256 return client_transport;
262 #endif /* DBUS_BUILD_TESTS */