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 /* FIXME not threadsafe (right now the test suite doesn't use threads anyhow ) */
63 static DBusHashTable *server_pipe_hash;
64 static int server_pipe_hash_refcount = 0;
69 if (!server_pipe_hash)
71 _dbus_assert (server_pipe_hash_refcount == 0);
73 server_pipe_hash = _dbus_hash_table_new (DBUS_HASH_STRING, NULL, NULL);
75 if (!server_pipe_hash)
79 server_pipe_hash_refcount = 1;
85 pipe_hash_unref (void)
87 _dbus_assert (server_pipe_hash != NULL);
88 _dbus_assert (server_pipe_hash_refcount > 0);
90 server_pipe_hash_refcount -= 1;
91 if (server_pipe_hash_refcount == 0)
93 _dbus_hash_table_unref (server_pipe_hash);
94 server_pipe_hash = NULL;
99 debug_finalize (DBusServer *server)
101 DBusServerDebugPipe *debug_server = (DBusServerDebugPipe*) server;
105 _dbus_server_finalize_base (server);
107 dbus_free (debug_server->name);
112 debug_handle_watch (DBusServer *server,
121 debug_disconnect (DBusServer *server)
123 ((DBusServerDebugPipe*)server)->disconnected = TRUE;
126 static DBusServerVTable debug_vtable = {
133 * Creates a new debug server using an in-process pipe
135 * @param server_name the name of the server.
136 * @param result address where a result code can be returned.
137 * @returns a new server, or #NULL on failure.
140 _dbus_server_debug_pipe_new (const char *server_name,
141 DBusResultCode *result)
143 DBusServerDebugPipe *debug_server;
145 if (!pipe_hash_ref ())
148 if (_dbus_hash_table_lookup_string (server_pipe_hash, server_name) != NULL)
150 dbus_set_result (result, DBUS_RESULT_ADDRESS_IN_USE);
155 debug_server = dbus_new0 (DBusServerDebugPipe, 1);
157 if (debug_server == NULL)
163 debug_server->name = _dbus_strdup (server_name);
164 if (debug_server->name == NULL)
166 dbus_free (debug_server->name);
167 dbus_free (debug_server);
169 dbus_set_result (result, DBUS_RESULT_NO_MEMORY);
175 if (!_dbus_server_init_base (&debug_server->base,
178 dbus_free (debug_server->name);
179 dbus_free (debug_server);
181 dbus_set_result (result, DBUS_RESULT_NO_MEMORY);
187 if (!_dbus_hash_table_insert_string (server_pipe_hash,
191 _dbus_server_finalize_base (&debug_server->base);
192 dbus_free (debug_server->name);
193 dbus_free (debug_server);
195 dbus_set_result (result, DBUS_RESULT_NO_MEMORY);
201 dbus_set_result (result, DBUS_RESULT_SUCCESS);
203 return (DBusServer *)debug_server;
207 * Creates the client-side transport for
208 * a debug-pipe connection connected to the
209 * given debug-pipe server name.
211 * @param server_name name of server to connect to
212 * @param result return location for result
213 * @returns #NULL on no memory or transport
216 _dbus_transport_debug_pipe_new (const char *server_name,
217 DBusResultCode *result)
219 DBusTransport *client_transport;
220 DBusTransport *server_transport;
221 DBusConnection *connection;
222 int client_fd, server_fd;
225 server = _dbus_hash_table_lookup_string (server_pipe_hash,
227 if (server == NULL ||
228 ((DBusServerDebugPipe*)server)->disconnected)
230 dbus_set_result (result, DBUS_RESULT_BAD_ADDRESS);
234 if (!_dbus_full_duplex_pipe (&client_fd, &server_fd,
237 _dbus_verbose ("failed to create full duplex pipe\n");
238 dbus_set_result (result, DBUS_RESULT_FAILED);
242 _dbus_fd_set_close_on_exec (client_fd);
243 _dbus_fd_set_close_on_exec (server_fd);
245 client_transport = _dbus_transport_new_for_fd (client_fd,
247 if (client_transport == NULL)
249 _dbus_close (client_fd, NULL);
250 _dbus_close (server_fd, NULL);
251 dbus_set_result (result, DBUS_RESULT_NO_MEMORY);
257 server_transport = _dbus_transport_new_for_fd (server_fd,
259 if (server_transport == NULL)
261 _dbus_transport_unref (client_transport);
262 _dbus_close (server_fd, NULL);
263 dbus_set_result (result, DBUS_RESULT_NO_MEMORY);
269 connection = _dbus_connection_new_for_transport (server_transport);
270 _dbus_transport_unref (server_transport);
271 server_transport = NULL;
273 if (connection == NULL)
275 _dbus_transport_unref (client_transport);
276 dbus_set_result (result, DBUS_RESULT_NO_MEMORY);
280 /* See if someone wants to handle this new connection,
281 * self-referencing for paranoia
283 if (server->new_connection_function)
285 dbus_server_ref (server);
286 (* server->new_connection_function) (server, connection,
287 server->new_connection_data);
288 dbus_server_unref (server);
291 /* If no one grabbed a reference, the connection will die,
292 * and the client transport will get an immediate disconnect
294 dbus_connection_unref (connection);
296 return client_transport;
302 #endif /* DBUS_BUILD_TESTS */