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authorMarc-André Lureau <marc-andre.lureau@nokia.com>2009-03-19 01:35:02 +0200
committerMarc-André Lureau <marc-andre.lureau@nokia.com>2009-03-30 20:56:55 +0300
commiteb93e2537a60db963bac84e189c52b3d83521c63 (patch)
treef3b345e34714d03269426ebc9b93fd7b84175bda /src/modules/dbus-util.c
parent3813034cef15696f026c6426213999c8b55806bd (diff)
dbus: split dbus-util into dbus-shared
modules: fix dbus-util include pulse: get dbus at context connection
Diffstat (limited to 'src/modules/dbus-util.c')
-rw-r--r--src/modules/dbus-util.c437
1 files changed, 0 insertions, 437 deletions
diff --git a/src/modules/dbus-util.c b/src/modules/dbus-util.c
deleted file mode 100644
index e2d45803..00000000
--- a/src/modules/dbus-util.c
+++ /dev/null
@@ -1,437 +0,0 @@
-/***
- This file is part of PulseAudio.
-
- Copyright 2006 Lennart Poettering
- Copyright 2006 Shams E. King
-
- PulseAudio is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published
- by the Free Software Foundation; either version 2.1 of the License,
- or (at your option) any later version.
-
- PulseAudio is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with PulseAudio; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- USA.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdarg.h>
-
-#include <pulse/xmalloc.h>
-#include <pulse/timeval.h>
-#include <pulsecore/log.h>
-#include <pulsecore/shared.h>
-
-#include "dbus-util.h"
-
-struct pa_dbus_connection {
- PA_REFCNT_DECLARE;
-
- pa_core *core;
- DBusConnection *connection;
- const char *property_name;
- pa_defer_event* dispatch_event;
-};
-
-static void dispatch_cb(pa_mainloop_api *ea, pa_defer_event *ev, void *userdata) {
- DBusConnection *conn = userdata;
-
- if (dbus_connection_dispatch(conn) == DBUS_DISPATCH_COMPLETE) {
- /* no more data to process, disable the deferred */
- ea->defer_enable(ev, 0);
- }
-}
-
-/* DBusDispatchStatusFunction callback for the pa mainloop */
-static void dispatch_status(DBusConnection *conn, DBusDispatchStatus status, void *userdata) {
- pa_dbus_connection *c = userdata;
-
- pa_assert(c);
-
- switch(status) {
-
- case DBUS_DISPATCH_COMPLETE:
- c->core->mainloop->defer_enable(c->dispatch_event, 0);
- break;
-
- case DBUS_DISPATCH_DATA_REMAINS:
- case DBUS_DISPATCH_NEED_MEMORY:
- default:
- c->core->mainloop->defer_enable(c->dispatch_event, 1);
- break;
- }
-}
-
-static pa_io_event_flags_t get_watch_flags(DBusWatch *watch) {
- unsigned int flags;
- pa_io_event_flags_t events = 0;
-
- pa_assert(watch);
-
- flags = dbus_watch_get_flags(watch);
-
- /* no watch flags for disabled watches */
- if (!dbus_watch_get_enabled(watch))
- return PA_IO_EVENT_NULL;
-
- if (flags & DBUS_WATCH_READABLE)
- events |= PA_IO_EVENT_INPUT;
- if (flags & DBUS_WATCH_WRITABLE)
- events |= PA_IO_EVENT_OUTPUT;
-
- return events | PA_IO_EVENT_HANGUP | PA_IO_EVENT_ERROR;
-}
-
-/* pa_io_event_cb_t IO event handler */
-static void handle_io_event(pa_mainloop_api *ea, pa_io_event *e, int fd, pa_io_event_flags_t events, void *userdata) {
- unsigned int flags = 0;
- DBusWatch *watch = userdata;
-
-#if HAVE_DBUS_WATCH_GET_UNIX_FD
- pa_assert(fd == dbus_watch_get_unix_fd(watch));
-#else
- pa_assert(fd == dbus_watch_get_fd(watch));
-#endif
-
- if (!dbus_watch_get_enabled(watch)) {
- pa_log_warn("Asked to handle disabled watch: %p %i", (void*) watch, fd);
- return;
- }
-
- if (events & PA_IO_EVENT_INPUT)
- flags |= DBUS_WATCH_READABLE;
- if (events & PA_IO_EVENT_OUTPUT)
- flags |= DBUS_WATCH_WRITABLE;
- if (events & PA_IO_EVENT_HANGUP)
- flags |= DBUS_WATCH_HANGUP;
- if (events & PA_IO_EVENT_ERROR)
- flags |= DBUS_WATCH_ERROR;
-
- dbus_watch_handle(watch, flags);
-}
-
-/* pa_time_event_cb_t timer event handler */
-static void handle_time_event(pa_mainloop_api *ea, pa_time_event* e, const struct timeval *tv, void *userdata) {
- DBusTimeout *timeout = userdata;
-
- if (dbus_timeout_get_enabled(timeout)) {
- struct timeval next = *tv;
- dbus_timeout_handle(timeout);
-
- /* restart it for the next scheduled time */
- pa_timeval_add(&next, (pa_usec_t) dbus_timeout_get_interval(timeout) * 1000);
- ea->time_restart(e, &next);
- }
-}
-
-/* DBusAddWatchFunction callback for pa mainloop */
-static dbus_bool_t add_watch(DBusWatch *watch, void *data) {
- pa_core *c = PA_CORE(data);
- pa_io_event *ev;
-
- pa_assert(watch);
- pa_assert(c);
-
- ev = c->mainloop->io_new(
- c->mainloop,
-#if HAVE_DBUS_WATCH_GET_UNIX_FD
- dbus_watch_get_unix_fd(watch),
-#else
- dbus_watch_get_fd(watch),
-#endif
- get_watch_flags(watch), handle_io_event, watch);
-
- dbus_watch_set_data(watch, ev, NULL);
-
- return TRUE;
-}
-
-/* DBusRemoveWatchFunction callback for pa mainloop */
-static void remove_watch(DBusWatch *watch, void *data) {
- pa_core *c = PA_CORE(data);
- pa_io_event *ev;
-
- pa_assert(watch);
- pa_assert(c);
-
- if ((ev = dbus_watch_get_data(watch)))
- c->mainloop->io_free(ev);
-}
-
-/* DBusWatchToggledFunction callback for pa mainloop */
-static void toggle_watch(DBusWatch *watch, void *data) {
- pa_core *c = PA_CORE(data);
- pa_io_event *ev;
-
- pa_assert(watch);
- pa_core_assert_ref(c);
-
- pa_assert_se(ev = dbus_watch_get_data(watch));
-
- /* get_watch_flags() checks if the watch is enabled */
- c->mainloop->io_enable(ev, get_watch_flags(watch));
-}
-
-/* DBusAddTimeoutFunction callback for pa mainloop */
-static dbus_bool_t add_timeout(DBusTimeout *timeout, void *data) {
- pa_core *c = PA_CORE(data);
- pa_time_event *ev;
- struct timeval tv;
-
- pa_assert(timeout);
- pa_assert(c);
-
- if (!dbus_timeout_get_enabled(timeout))
- return FALSE;
-
- pa_gettimeofday(&tv);
- pa_timeval_add(&tv, (pa_usec_t) dbus_timeout_get_interval(timeout) * 1000);
-
- ev = c->mainloop->time_new(c->mainloop, &tv, handle_time_event, timeout);
-
- dbus_timeout_set_data(timeout, ev, NULL);
-
- return TRUE;
-}
-
-/* DBusRemoveTimeoutFunction callback for pa mainloop */
-static void remove_timeout(DBusTimeout *timeout, void *data) {
- pa_core *c = PA_CORE(data);
- pa_time_event *ev;
-
- pa_assert(timeout);
- pa_assert(c);
-
- if ((ev = dbus_timeout_get_data(timeout)))
- c->mainloop->time_free(ev);
-}
-
-/* DBusTimeoutToggledFunction callback for pa mainloop */
-static void toggle_timeout(DBusTimeout *timeout, void *data) {
- pa_core *c = PA_CORE(data);
- pa_time_event *ev;
-
- pa_assert(timeout);
- pa_assert(c);
-
- pa_assert_se(ev = dbus_timeout_get_data(timeout));
-
- if (dbus_timeout_get_enabled(timeout)) {
- struct timeval tv;
-
- pa_gettimeofday(&tv);
- pa_timeval_add(&tv, (pa_usec_t) dbus_timeout_get_interval(timeout) * 1000);
-
- c->mainloop->time_restart(ev, &tv);
- } else
- c->mainloop->time_restart(ev, NULL);
-}
-
-static void wakeup_main(void *userdata) {
- pa_dbus_connection *c = userdata;
-
- pa_assert(c);
-
- /* this will wakeup the mainloop and dispatch events, although
- * it may not be the cleanest way of accomplishing it */
- c->core->mainloop->defer_enable(c->dispatch_event, 1);
-}
-
-static pa_dbus_connection* pa_dbus_connection_new(pa_core* c, DBusConnection *conn, const char* name) {
- pa_dbus_connection *pconn;
-
- pconn = pa_xnew(pa_dbus_connection, 1);
- PA_REFCNT_INIT(pconn);
- pconn->core = c;
- pconn->property_name = name;
- pconn->connection = conn;
- pconn->dispatch_event = c->mainloop->defer_new(c->mainloop, dispatch_cb, conn);
-
- pa_shared_set(c, name, pconn);
-
- return pconn;
-}
-
-DBusConnection* pa_dbus_connection_get(pa_dbus_connection *c){
- pa_assert(c);
- pa_assert(PA_REFCNT_VALUE(c) > 0);
- pa_assert(c->connection);
-
- return c->connection;
-}
-
-void pa_dbus_connection_unref(pa_dbus_connection *c) {
- pa_assert(c);
- pa_assert(PA_REFCNT_VALUE(c) > 0);
-
- if (PA_REFCNT_DEC(c) > 0)
- return;
-
- if (dbus_connection_get_is_connected(c->connection)) {
- dbus_connection_close(c->connection);
- /* must process remaining messages, bit of a kludge to handle
- * both unload and shutdown */
- while (dbus_connection_read_write_dispatch(c->connection, -1));
- }
-
- /* already disconnected, just free */
- pa_shared_remove(c->core, c->property_name);
- c->core->mainloop->defer_free(c->dispatch_event);
- dbus_connection_unref(c->connection);
- pa_xfree(c);
-}
-
-pa_dbus_connection* pa_dbus_connection_ref(pa_dbus_connection *c) {
- pa_assert(c);
- pa_assert(PA_REFCNT_VALUE(c) > 0);
-
- PA_REFCNT_INC(c);
-
- return c;
-}
-
-pa_dbus_connection* pa_dbus_bus_get(pa_core *c, DBusBusType type, DBusError *error) {
-
- static const char *const prop_name[] = {
- [DBUS_BUS_SESSION] = "dbus-connection-session",
- [DBUS_BUS_SYSTEM] = "dbus-connection-system",
- [DBUS_BUS_STARTER] = "dbus-connection-starter"
- };
- DBusConnection *conn;
- pa_dbus_connection *pconn;
-
- pa_assert(type == DBUS_BUS_SYSTEM || type == DBUS_BUS_SESSION || type == DBUS_BUS_STARTER);
-
- if ((pconn = pa_shared_get(c, prop_name[type])))
- return pa_dbus_connection_ref(pconn);
-
- if (!(conn = dbus_bus_get_private(type, error)))
- return NULL;
-
- pconn = pa_dbus_connection_new(c, conn, prop_name[type]);
-
- dbus_connection_set_exit_on_disconnect(conn, FALSE);
- dbus_connection_set_dispatch_status_function(conn, dispatch_status, pconn, NULL);
- dbus_connection_set_watch_functions(conn, add_watch, remove_watch, toggle_watch, c, NULL);
- dbus_connection_set_timeout_functions(conn, add_timeout, remove_timeout, toggle_timeout, c, NULL);
- dbus_connection_set_wakeup_main_function(conn, wakeup_main, pconn, NULL);
-
- return pconn;
-}
-
-int pa_dbus_add_matches(DBusConnection *c, DBusError *error, ...) {
- const char *t;
- va_list ap;
- unsigned k = 0;
-
- pa_assert(c);
- pa_assert(error);
-
- va_start(ap, error);
- while ((t = va_arg(ap, const char*))) {
- dbus_bus_add_match(c, t, error);
-
- if (dbus_error_is_set(error))
- goto fail;
-
- k++;
- }
- va_end(ap);
- return 0;
-
-fail:
-
- va_end(ap);
- va_start(ap, error);
- for (; k > 0; k--) {
- DBusError e;
-
- pa_assert_se(t = va_arg(ap, const char*));
-
- dbus_error_init(&e);
- dbus_bus_remove_match(c, t, &e);
- dbus_error_free(&e);
- }
- va_end(ap);
-
- return -1;
-}
-
-void pa_dbus_remove_matches(DBusConnection *c, ...) {
- const char *t;
- va_list ap;
- DBusError error;
-
- pa_assert(c);
-
- dbus_error_init(&error);
-
- va_start(ap, c);
- while ((t = va_arg(ap, const char*))) {
- dbus_bus_remove_match(c, t, &error);
- dbus_error_free(&error);
- }
- va_end(ap);
-}
-
-pa_dbus_pending *pa_dbus_pending_new(
- DBusConnection *c,
- DBusMessage *m,
- DBusPendingCall *pending,
- void *context_data,
- void *call_data) {
-
- pa_dbus_pending *p;
-
- pa_assert(pending);
-
- p = pa_xnew(pa_dbus_pending, 1);
- p->connection = c;
- p->message = m;
- p->pending = pending;
- p->context_data = context_data;
- p->call_data = call_data;
-
- PA_LLIST_INIT(pa_dbus_pending, p);
-
- return p;
-}
-
-void pa_dbus_pending_free(pa_dbus_pending *p) {
- pa_assert(p);
-
- if (p->pending)
- dbus_pending_call_cancel(p->pending); /* p->pending is freed by cancel() */
-
- if (p->message)
- dbus_message_unref(p->message);
-
- pa_xfree(p);
-}
-
-void pa_dbus_sync_pending_list(pa_dbus_pending **p) {
- pa_assert(p);
-
- while (*p && dbus_connection_read_write_dispatch((*p)->connection, -1))
- ;
-}
-
-void pa_dbus_free_pending_list(pa_dbus_pending **p) {
- pa_dbus_pending *i;
-
- pa_assert(p);
-
- while ((i = *p)) {
- PA_LLIST_REMOVE(pa_dbus_pending, *p, i);
- pa_dbus_pending_free(i);
- }
-}