#include <pulse/utf8.h>
#include <pulse/util.h>
#include <pulse/i18n.h>
+#include <pulse/mainloop.h>
+#include <pulse/timeval.h>
#include <pulsecore/winsock.h>
#include <pulsecore/core-error.h>
#include <pulsecore/native-common.h>
#include <pulsecore/pdispatch.h>
#include <pulsecore/pstream.h>
-#include <pulsecore/dynarray.h>
+#include <pulsecore/hashmap.h>
#include <pulsecore/socket-client.h>
#include <pulsecore/pstream-util.h>
+#include <pulsecore/core-rtclock.h>
#include <pulsecore/core-util.h>
#include <pulsecore/log.h>
#include <pulsecore/socket-util.h>
#include "internal.h"
#include "client-conf.h"
+#include "fork-detect.h"
#ifdef HAVE_X11
#include "client-conf-x11.h"
[PA_COMMAND_EXTENSION] = pa_command_extension,
[PA_COMMAND_PLAYBACK_STREAM_EVENT] = pa_command_stream_event,
[PA_COMMAND_RECORD_STREAM_EVENT] = pa_command_stream_event,
- [PA_COMMAND_CLIENT_EVENT] = pa_command_client_event
+ [PA_COMMAND_CLIENT_EVENT] = pa_command_client_event,
+ [PA_COMMAND_PLAYBACK_BUFFER_ATTR_CHANGED] = pa_command_stream_buffer_attr,
+ [PA_COMMAND_RECORD_BUFFER_ATTR_CHANGED] = pa_command_stream_buffer_attr
};
static void context_free(pa_context *c);
+#ifdef HAVE_DBUS
+static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *message, void *userdata);
+#endif
+
pa_context *pa_context_new(pa_mainloop_api *mainloop, const char *name) {
return pa_context_new_with_proplist(mainloop, name, NULL);
}
c->event_callback = NULL;
c->event_userdata = NULL;
+ c->ext_device_manager.callback = NULL;
+ c->ext_device_manager.userdata = NULL;
+
c->ext_stream_restore.callback = NULL;
c->ext_stream_restore.userdata = NULL;
}
pa_assert(mainloop);
+ if (pa_detect_fork())
+ return NULL;
+
pa_init_i18n();
c = pa_xnew(pa_context, 1);
if (name)
pa_proplist_sets(c->proplist, PA_PROP_APPLICATION_NAME, name);
+#ifdef HAVE_DBUS
+ c->system_bus = c->session_bus = NULL;
+#endif
c->mainloop = mainloop;
c->client = NULL;
c->pstream = NULL;
c->pdispatch = NULL;
- c->playback_streams = pa_dynarray_new();
- c->record_streams = pa_dynarray_new();
+ c->playback_streams = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
+ c->record_streams = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
c->client_index = PA_INVALID_INDEX;
+ c->use_rtclock = pa_mainloop_is_our_api(mainloop);
PA_LLIST_HEAD_INIT(pa_stream, c->streams);
PA_LLIST_HEAD_INIT(pa_operation, c->operations);
c->do_shm = FALSE;
+ c->server_specified = FALSE;
+ c->no_fail = FALSE;
c->do_autospawn = FALSE;
memset(&c->spawn_api, 0, sizeof(c->spawn_api));
#endif
c->conf = pa_client_conf_new();
+ pa_client_conf_load(c->conf, NULL);
#ifdef HAVE_X11
pa_client_conf_from_x11(c->conf, NULL);
#endif
- pa_client_conf_load(c->conf, NULL);
pa_client_conf_env(c->conf);
if (!(c->mempool = pa_mempool_new(!c->conf->disable_shm, c->conf->shm_size))) {
context_unlink(c);
+#ifdef HAVE_DBUS
+ if (c->system_bus) {
+ dbus_connection_remove_filter(pa_dbus_wrap_connection_get(c->system_bus), filter_cb, c);
+ pa_dbus_wrap_connection_free(c->system_bus);
+ }
+
+ if (c->session_bus) {
+ dbus_connection_remove_filter(pa_dbus_wrap_connection_get(c->session_bus), filter_cb, c);
+ pa_dbus_wrap_connection_free(c->session_bus);
+ }
+#endif
+
if (c->record_streams)
- pa_dynarray_free(c->record_streams, NULL, NULL);
+ pa_hashmap_free(c->record_streams, NULL, NULL);
if (c->playback_streams)
- pa_dynarray_free(c->playback_streams, NULL, NULL);
+ pa_hashmap_free(c->playback_streams, NULL, NULL);
if (c->mempool)
pa_mempool_free(c->mempool);
pa_context_ref(c);
- if ((s = pa_dynarray_get(c->record_streams, channel))) {
+ if ((s = pa_hashmap_get(c->record_streams, PA_UINT32_TO_PTR(channel)))) {
if (chunk->memblock) {
- pa_memblockq_seek(s->record_memblockq, offset, seek);
+ pa_memblockq_seek(s->record_memblockq, offset, seek, TRUE);
pa_memblockq_push_align(s->record_memblockq, chunk);
} else
- pa_memblockq_seek(s->record_memblockq, offset+chunk->length, seek);
+ pa_memblockq_seek(s->record_memblockq, offset+chunk->length, seek, TRUE);
if (s->read_callback) {
size_t l;
pa_pstream_set_recieve_memblock_callback(c->pstream, pstream_memblock_callback, c);
pa_assert(!c->pdispatch);
- c->pdispatch = pa_pdispatch_new(c->mainloop, command_table, PA_COMMAND_MAX);
+ c->pdispatch = pa_pdispatch_new(c->mainloop, c->use_rtclock, command_table, PA_COMMAND_MAX);
if (!c->conf->cookie_valid)
pa_log_info(_("No cookie loaded. Attempting to connect without."));
static int context_autospawn(pa_context *c) {
pid_t pid;
int status, r;
-
- pa_log_debug("Trying to autospawn...");
+ struct sigaction sa;
pa_context_ref(c);
+ if (sigaction(SIGCHLD, NULL, &sa) < 0) {
+ pa_log_debug("sigaction() failed: %s", pa_cstrerror(errno));
+ pa_context_fail(c, PA_ERR_INTERNAL);
+ goto fail;
+ }
+
+ if ((sa.sa_flags & SA_NOCLDWAIT) || sa.sa_handler == SIG_IGN) {
+ pa_log_debug("Process disabled waitpid(), cannot autospawn.");
+ pa_context_fail(c, PA_ERR_CONNECTIONREFUSED);
+ goto fail;
+ }
+
+ pa_log_debug("Trying to autospawn...");
+
if (c->spawn_api.prefork)
c->spawn_api.prefork();
/* Child */
const char *state = NULL;
-#define MAX_ARGS 64
- const char * argv[MAX_ARGS+1];
- int n;
+ const char * argv[32];
+ unsigned n = 0;
if (c->spawn_api.atfork)
c->spawn_api.atfork();
+ /* We leave most of the cleaning up of the process environment
+ * to the executable. We only clean up the file descriptors to
+ * make sure the executable can actually be loaded
+ * correctly. */
pa_close_all(-1);
/* Setup argv */
-
- n = 0;
-
argv[n++] = c->conf->daemon_binary;
argv[n++] = "--start";
- while (n < MAX_ARGS) {
+ while (n < PA_ELEMENTSOF(argv)-1) {
char *a;
if (!(a = pa_split_spaces(c->conf->extra_arguments, &state)))
}
argv[n++] = NULL;
+ pa_assert(n <= PA_ELEMENTSOF(argv));
execv(argv[0], (char * const *) argv);
_exit(1);
-#undef MAX_ARGS
}
/* Parent */
} while (r < 0 && errno == EINTR);
if (r < 0) {
- pa_log(_("waitpid(): %s"), pa_cstrerror(errno));
- pa_context_fail(c, PA_ERR_INTERNAL);
- goto fail;
+
+ if (errno != ESRCH) {
+ pa_log(_("waitpid(): %s"), pa_cstrerror(errno));
+ pa_context_fail(c, PA_ERR_INTERNAL);
+ goto fail;
+ }
+
+ /* hmm, something already reaped our child, so we assume
+ * startup worked, even if we cannot know */
+
} else if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
pa_context_fail(c, PA_ERR_CONNECTIONREFUSED);
goto fail;
static void on_connection(pa_socket_client *client, pa_iochannel*io, void *userdata);
+#ifdef HAVE_DBUS
+static void track_pulseaudio_on_dbus(pa_context *c, DBusBusType type, pa_dbus_wrap_connection **conn) {
+ DBusError error;
+
+ pa_assert(c);
+ pa_assert(conn);
+
+ dbus_error_init(&error);
+
+ if (!(*conn = pa_dbus_wrap_connection_new(c->mainloop, c->use_rtclock, type, &error)) || dbus_error_is_set(&error)) {
+ pa_log_warn("Unable to contact DBUS: %s: %s", error.name, error.message);
+ goto fail;
+ }
+
+ if (!dbus_connection_add_filter(pa_dbus_wrap_connection_get(*conn), filter_cb, c, NULL)) {
+ pa_log_warn("Failed to add filter function");
+ goto fail;
+ }
+
+ if (pa_dbus_add_matches(
+ pa_dbus_wrap_connection_get(*conn), &error,
+ "type='signal',sender='" DBUS_SERVICE_DBUS "',interface='" DBUS_INTERFACE_DBUS "',member='NameOwnerChanged',arg0='org.pulseaudio.Server',arg1=''", NULL) < 0) {
+
+ pa_log_warn("Unable to track org.pulseaudio.Server: %s: %s", error.name, error.message);
+ goto fail;
+ }
+
+ return;
+
+fail:
+ if (*conn) {
+ pa_dbus_wrap_connection_free(*conn);
+ *conn = NULL;
+ }
+
+ dbus_error_free(&error);
+}
+#endif
+
static int try_next_connection(pa_context *c) {
char *u = NULL;
int r = -1;
}
#endif
- pa_context_fail(c, PA_ERR_CONNECTIONREFUSED);
+#ifdef HAVE_DBUS
+ if (c->no_fail && !c->server_specified) {
+ if (!c->session_bus)
+ track_pulseaudio_on_dbus(c, DBUS_BUS_SESSION, &c->session_bus);
+ if (!c->system_bus)
+ track_pulseaudio_on_dbus(c, DBUS_BUS_SYSTEM, &c->system_bus);
+ } else
+#endif
+ pa_context_fail(c, PA_ERR_CONNECTIONREFUSED);
+
goto finish;
}
pa_xfree(c->server);
c->server = pa_xstrdup(u);
- if (!(c->client = pa_socket_client_new_string(c->mainloop, u, PA_NATIVE_DEFAULT_PORT)))
+ if (!(c->client = pa_socket_client_new_string(c->mainloop, c->use_rtclock, u, PA_NATIVE_DEFAULT_PORT)))
continue;
c->is_local = !!pa_socket_client_is_local(c->client);
c->client = NULL;
if (!io) {
- /* Try the item in the list */
+ /* Try the next item in the list */
if (saved_errno == ECONNREFUSED ||
saved_errno == ETIMEDOUT ||
saved_errno == EHOSTUNREACH) {
pa_context_unref(c);
}
+#ifdef HAVE_DBUS
+static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *message, void *userdata) {
+ pa_context *c = userdata;
+ pa_bool_t is_session;
+
+ pa_assert(bus);
+ pa_assert(message);
+ pa_assert(c);
+
+ if (c->state != PA_CONTEXT_CONNECTING)
+ goto finish;
+
+ if (!c->no_fail)
+ goto finish;
+
+ /* FIXME: We probably should check if this is actually the NameOwnerChanged we were looking for */
+
+ is_session = c->session_bus && bus == pa_dbus_wrap_connection_get(c->session_bus);
+ pa_log_debug("Rock!! PulseAudio might be back on %s bus", is_session ? "session" : "system");
+
+ if (is_session)
+ /* The user instance via PF_LOCAL */
+ c->server_list = prepend_per_user(c->server_list);
+ else
+ /* The system wide instance via PF_LOCAL */
+ c->server_list = pa_strlist_prepend(c->server_list, PA_SYSTEM_RUNTIME_PATH PA_PATH_SEP PA_NATIVE_DEFAULT_UNIX_SOCKET);
+
+ if (!c->client)
+ try_next_connection(c);
+
+finish:
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+#endif
+
int pa_context_connect(
pa_context *c,
const char *server,
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ PA_CHECK_VALIDITY(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY(c, c->state == PA_CONTEXT_UNCONNECTED, PA_ERR_BADSTATE);
- PA_CHECK_VALIDITY(c, !(flags & ~PA_CONTEXT_NOAUTOSPAWN), PA_ERR_INVALID);
+ PA_CHECK_VALIDITY(c, !(flags & ~(PA_CONTEXT_NOAUTOSPAWN|PA_CONTEXT_NOFAIL)), PA_ERR_INVALID);
PA_CHECK_VALIDITY(c, !server || *server, PA_ERR_INVALID);
- if (!server)
+ if (server)
+ c->conf->autospawn = FALSE;
+ else
server = c->conf->default_server;
pa_context_ref(c);
+ c->no_fail = !!(flags & PA_CONTEXT_NOFAIL);
+ c->server_specified = !!server;
pa_assert(!c->server_list);
if (server) {
/* Follow the X display */
if ((d = getenv("DISPLAY"))) {
- char *e;
- d = pa_xstrdup(d);
- if ((e = strchr(d, ':')))
- *e = 0;
+ d = pa_xstrndup(d, strcspn(d, ":"));
if (*d)
c->server_list = pa_strlist_prepend(c->server_list, d);
}
/* Add TCP/IP on the localhost */
- c->server_list = pa_strlist_prepend(c->server_list, "tcp6:[::1]");
- c->server_list = pa_strlist_prepend(c->server_list, "tcp4:127.0.0.1");
+ if (c->conf->auto_connect_localhost) {
+ c->server_list = pa_strlist_prepend(c->server_list, "tcp6:[::1]");
+ c->server_list = pa_strlist_prepend(c->server_list, "tcp4:127.0.0.1");
+ }
/* The system wide instance via PF_LOCAL */
c->server_list = pa_strlist_prepend(c->server_list, PA_SYSTEM_RUNTIME_PATH PA_PATH_SEP PA_NATIVE_DEFAULT_UNIX_SOCKET);
/* The user instance via PF_LOCAL */
c->server_list = prepend_per_user(c->server_list);
+ }
- /* Set up autospawning */
- if (!(flags & PA_CONTEXT_NOAUTOSPAWN) && c->conf->autospawn) {
+ /* Set up autospawning */
+ if (!(flags & PA_CONTEXT_NOAUTOSPAWN) && c->conf->autospawn) {
- if (getuid() == 0)
- pa_log_debug("Not doing autospawn since we are root.");
- else {
- c->do_autospawn = TRUE;
+ if (getuid() == 0)
+ pa_log_debug("Not doing autospawn since we are root.");
+ else {
+ c->do_autospawn = TRUE;
- if (api)
- c->spawn_api = *api;
- }
+ if (api)
+ c->spawn_api = *api;
}
}
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ if (pa_detect_fork())
+ return;
+
if (PA_CONTEXT_IS_GOOD(c->state))
pa_context_set_state(c, PA_CONTEXT_TERMINATED);
}
}
int pa_context_errno(pa_context *c) {
- pa_assert(c);
+
+ if (!c)
+ return PA_ERR_INVALID;
+
pa_assert(PA_REFCNT_VALUE(c) >= 1);
return c->error;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ if (pa_detect_fork())
+ return;
+
if (c->state == PA_CONTEXT_TERMINATED || c->state == PA_CONTEXT_FAILED)
return;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ if (pa_detect_fork())
+ return;
+
if (c->state == PA_CONTEXT_TERMINATED || c->state == PA_CONTEXT_FAILED)
return;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ PA_CHECK_VALIDITY(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY(c, PA_CONTEXT_IS_GOOD(c->state), PA_ERR_BADSTATE);
return (c->pstream && pa_pstream_is_pending(c->pstream)) ||
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(c, pa_context_is_pending(c), PA_ERR_BADSTATE);
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
o = pa_operation_new(c, NULL, cb, userdata);
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ PA_CHECK_VALIDITY_RETURN_ANY(c, !pa_detect_fork(), PA_ERR_FORKED, -1);
PA_CHECK_VALIDITY_RETURN_ANY(c, PA_CONTEXT_IS_GOOD(c->state), PA_ERR_BADSTATE, -1);
return !!c->is_local;
pa_assert(PA_REFCNT_VALUE(c) >= 1);
pa_assert(name);
+ PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
if (c->version >= 13) {
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
- if (!c->server)
- return NULL;
+ PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
+ PA_CHECK_VALIDITY_RETURN_NULL(c, c->server, PA_ERR_NOENTITY);
if (*c->server == '{') {
char *e = strchr(c->server+1, '}');
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ PA_CHECK_VALIDITY_RETURN_ANY(c, !pa_detect_fork(), PA_ERR_FORKED, PA_INVALID_INDEX);
PA_CHECK_VALIDITY_RETURN_ANY(c, PA_CONTEXT_IS_GOOD(c->state), PA_ERR_BADSTATE, PA_INVALID_INDEX);
return c->version;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ PA_CHECK_VALIDITY_RETURN_ANY(c, !pa_detect_fork(), PA_ERR_FORKED, PA_INVALID_INDEX);
PA_CHECK_VALIDITY_RETURN_ANY(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE, PA_INVALID_INDEX);
PA_CHECK_VALIDITY_RETURN_ANY(c, c->version >= 13, PA_ERR_NOTSUPPORTED, PA_INVALID_INDEX);
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, mode == PA_UPDATE_SET || mode == PA_UPDATE_MERGE || mode == PA_UPDATE_REPLACE, PA_ERR_INVALID);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 13, PA_ERR_NOTSUPPORTED);
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ PA_CHECK_VALIDITY_RETURN_NULL(c, !pa_detect_fork(), PA_ERR_FORKED);
PA_CHECK_VALIDITY_RETURN_NULL(c, keys && keys[0], PA_ERR_INVALID);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 13, PA_ERR_NOTSUPPORTED);
if (!strcmp(name, "module-stream-restore"))
pa_ext_stream_restore_command(c, tag, t);
+ else if (!strcmp(name, "module-device-manager"))
+ pa_ext_device_manager_command(c, tag, t);
else
pa_log(_("Received message for unknown extension '%s'"), name);
if (pl)
pa_proplist_free(pl);
}
+
+pa_time_event* pa_context_rttime_new(pa_context *c, pa_usec_t usec, pa_time_event_cb_t cb, void *userdata) {
+ struct timeval tv;
+
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ pa_assert(c->mainloop);
+
+ if (usec == PA_USEC_INVALID)
+ return c->mainloop->time_new(c->mainloop, NULL, cb, userdata);
+
+ pa_timeval_rtstore(&tv, usec, c->use_rtclock);
+
+ return c->mainloop->time_new(c->mainloop, &tv, cb, userdata);
+}
+
+void pa_context_rttime_restart(pa_context *c, pa_time_event *e, pa_usec_t usec) {
+ struct timeval tv;
+
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ pa_assert(c->mainloop);
+
+
+ if (usec == PA_USEC_INVALID)
+ c->mainloop->time_restart(e, NULL);
+ else {
+ pa_timeval_rtstore(&tv, usec, c->use_rtclock);
+ c->mainloop->time_restart(e, &tv);
+ }
+}
+
+size_t pa_context_get_tile_size(pa_context *c, const pa_sample_spec *ss) {
+ size_t fs, mbs;
+
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+
+ PA_CHECK_VALIDITY_RETURN_ANY(c, !pa_detect_fork(), PA_ERR_FORKED, (size_t) -1);
+ PA_CHECK_VALIDITY_RETURN_ANY(c, !ss || pa_sample_spec_valid(ss), PA_ERR_INVALID, (size_t) -1);
+
+ fs = ss ? pa_frame_size(ss) : 1;
+ mbs = PA_ROUND_DOWN(pa_mempool_block_size_max(c->mempool), fs);
+ return PA_MAX(mbs, fs);
+}