-/* $Id$ */
-
/***
This file is part of PulseAudio.
- Copyright 2004-2006 Lennart Poettering
+ Copyright 2004-2008 Lennart Poettering
Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
PulseAudio is free software; you can redistribute it and/or modify
#include <errno.h>
#include <signal.h>
#include <limits.h>
+#include <locale.h>
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#include <netdb.h>
#endif
-#include "../pulsecore/winsock.h"
-
-#include <pulsecore/core-error.h>
#include <pulse/version.h>
#include <pulse/xmalloc.h>
+#include <pulse/utf8.h>
+#include <pulse/util.h>
+#include <pulse/i18n.h>
+#include <pulse/lock-autospawn.h>
+
+#include <pulsecore/winsock.h>
+#include <pulsecore/core-error.h>
#include <pulsecore/native-common.h>
#include <pulsecore/pdispatch.h>
#include <pulsecore/socket-util.h>
#include <pulsecore/creds.h>
#include <pulsecore/macro.h>
+#include <pulsecore/proplist-util.h>
#include "internal.h"
#include "context.h"
-#define AUTOSPAWN_LOCK "autospawn.lock"
+void pa_command_extension(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = {
[PA_COMMAND_REQUEST] = pa_command_request,
[PA_COMMAND_UNDERFLOW] = pa_command_overflow_or_underflow,
[PA_COMMAND_PLAYBACK_STREAM_KILLED] = pa_command_stream_killed,
[PA_COMMAND_RECORD_STREAM_KILLED] = pa_command_stream_killed,
- [PA_COMMAND_SUBSCRIBE_EVENT] = pa_command_subscribe_event
+ [PA_COMMAND_PLAYBACK_STREAM_MOVED] = pa_command_stream_moved,
+ [PA_COMMAND_RECORD_STREAM_MOVED] = pa_command_stream_moved,
+ [PA_COMMAND_PLAYBACK_STREAM_SUSPENDED] = pa_command_stream_suspended,
+ [PA_COMMAND_RECORD_STREAM_SUSPENDED] = pa_command_stream_suspended,
+ [PA_COMMAND_STARTED] = pa_command_stream_started,
+ [PA_COMMAND_SUBSCRIBE_EVENT] = pa_command_subscribe_event,
+ [PA_COMMAND_EXTENSION] = pa_command_extension
};
-static void unlock_autospawn_lock_file(pa_context *c) {
+static void unlock_autospawn(pa_context *c) {
pa_assert(c);
- if (c->autospawn_lock_fd >= 0) {
- char lf[PATH_MAX];
- pa_runtime_path(AUTOSPAWN_LOCK, lf, sizeof(lf));
+ if (c->autospawn_fd >= 0) {
- pa_unlock_lockfile(lf, c->autospawn_lock_fd);
- c->autospawn_lock_fd = -1;
+ if (c->autospawn_locked)
+ pa_autospawn_lock_release();
+
+ if (c->autospawn_event)
+ c->mainloop->io_free(c->autospawn_event);
+
+ pa_autospawn_lock_done(FALSE);
}
+
+ c->autospawn_locked = FALSE;
+ c->autospawn_fd = -1;
+ c->autospawn_event = NULL;
}
static void context_free(pa_context *c);
pa_context *pa_context_new(pa_mainloop_api *mainloop, const char *name) {
+ return pa_context_new_with_proplist(mainloop, name, NULL);
+}
+
+static void reset_callbacks(pa_context *c) {
+ pa_assert(c);
+
+ c->state_callback = NULL;
+ c->state_userdata = NULL;
+
+ c->subscribe_callback = NULL;
+ c->subscribe_userdata = NULL;
+
+ c->ext_stream_restore.callback = NULL;
+ c->ext_stream_restore.userdata = NULL;
+}
+
+pa_context *pa_context_new_with_proplist(pa_mainloop_api *mainloop, const char *name, pa_proplist *p) {
pa_context *c;
pa_assert(mainloop);
- pa_assert(name);
+
+ pa_init_i18n();
+
+ if (!name && !pa_proplist_contains(p, PA_PROP_APPLICATION_NAME))
+ return NULL;
c = pa_xnew(pa_context, 1);
PA_REFCNT_INIT(c);
- c->name = pa_xstrdup(name);
+
+ c->proplist = p ? pa_proplist_copy(p) : pa_proplist_new();
+
+ if (name)
+ pa_proplist_sets(c->proplist, PA_PROP_APPLICATION_NAME, name);
+
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->client_index = PA_INVALID_INDEX;
PA_LLIST_HEAD_INIT(pa_stream, c->streams);
PA_LLIST_HEAD_INIT(pa_operation, c->operations);
c->ctag = 0;
c->csyncid = 0;
- c->state_callback = NULL;
- c->state_userdata = NULL;
-
- c->subscribe_callback = NULL;
- c->subscribe_userdata = NULL;
+ reset_callbacks(c);
- c->is_local = -1;
+ c->is_local = FALSE;
c->server_list = NULL;
c->server = NULL;
- c->autospawn_lock_fd = -1;
+
+ c->do_shm = FALSE;
+
+ c->do_autospawn = FALSE;
+ c->autospawn_fd = -1;
+ c->autospawn_locked = FALSE;
+ c->autospawn_event = NULL;
memset(&c->spawn_api, 0, sizeof(c->spawn_api));
- c->do_autospawn = 0;
#ifndef MSG_NOSIGNAL
#ifdef SIGPIPE
#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))) {
if (!c->conf->disable_shm)
- c->mempool = pa_mempool_new(0);
+ c->mempool = pa_mempool_new(FALSE);
if (!c->mempool) {
context_free(c);
return c;
}
-static void context_free(pa_context *c) {
+static void context_unlink(pa_context *c) {
+ pa_stream *s;
+
pa_assert(c);
- unlock_autospawn_lock_file(c);
+ s = c->streams ? pa_stream_ref(c->streams) : NULL;
+ while (s) {
+ pa_stream *n = s->next ? pa_stream_ref(s->next) : NULL;
+ pa_stream_set_state(s, c->state == PA_CONTEXT_FAILED ? PA_STREAM_FAILED : PA_STREAM_TERMINATED);
+ pa_stream_unref(s);
+ s = n;
+ }
while (c->operations)
pa_operation_cancel(c->operations);
- while (c->streams)
- pa_stream_set_state(c->streams, PA_STREAM_TERMINATED);
-
- if (c->client)
- pa_socket_client_unref(c->client);
- if (c->pdispatch)
+ if (c->pdispatch) {
pa_pdispatch_unref(c->pdispatch);
+ c->pdispatch = NULL;
+ }
+
if (c->pstream) {
pa_pstream_unlink(c->pstream);
pa_pstream_unref(c->pstream);
+ c->pstream = NULL;
+ }
+
+ if (c->client) {
+ pa_socket_client_unref(c->client);
+ c->client = NULL;
}
+ reset_callbacks(c);
+}
+
+static void context_free(pa_context *c) {
+ pa_assert(c);
+
+ context_unlink(c);
+
+ unlock_autospawn(c);
+
if (c->record_streams)
pa_dynarray_free(c->record_streams, NULL, NULL);
if (c->playback_streams)
pa_strlist_free(c->server_list);
- pa_xfree(c->name);
+ if (c->proplist)
+ pa_proplist_free(c->proplist);
+
pa_xfree(c->server);
pa_xfree(c);
}
pa_context_ref(c);
c->state = st;
+
if (c->state_callback)
c->state_callback(c, c->state_userdata);
- if (st == PA_CONTEXT_FAILED || st == PA_CONTEXT_TERMINATED) {
- pa_stream *s;
-
- s = c->streams ? pa_stream_ref(c->streams) : NULL;
- while (s) {
- pa_stream *n = s->next ? pa_stream_ref(s->next) : NULL;
- pa_stream_set_state(s, st == PA_CONTEXT_FAILED ? PA_STREAM_FAILED : PA_STREAM_TERMINATED);
- pa_stream_unref(s);
- s = n;
- }
-
- if (c->pdispatch)
- pa_pdispatch_unref(c->pdispatch);
- c->pdispatch = NULL;
-
- if (c->pstream) {
- pa_pstream_unlink(c->pstream);
- pa_pstream_unref(c->pstream);
- }
- c->pstream = NULL;
-
- if (c->client)
- pa_socket_client_unref(c->client);
- c->client = NULL;
- }
+ if (st == PA_CONTEXT_FAILED || st == PA_CONTEXT_TERMINATED)
+ context_unlink(c);
pa_context_unref(c);
}
-void pa_context_fail(pa_context *c, int error) {
- pa_assert(c);
- pa_assert(PA_REFCNT_VALUE(c) >= 1);
-
- pa_context_set_error(c, error);
- pa_context_set_state(c, PA_CONTEXT_FAILED);
-}
-
int pa_context_set_error(pa_context *c, int error) {
pa_assert(error >= 0);
pa_assert(error < PA_ERR_MAX);
return error;
}
+void pa_context_fail(pa_context *c, int error) {
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+
+ pa_context_set_error(c, error);
+ pa_context_set_state(c, PA_CONTEXT_FAILED);
+}
+
static void pstream_die_callback(pa_pstream *p, void *userdata) {
pa_context *c = userdata;
pa_context_unref(c);
}
-int pa_context_handle_error(pa_context *c, uint32_t command, pa_tagstruct *t) {
+int pa_context_handle_error(pa_context *c, uint32_t command, pa_tagstruct *t, pa_bool_t fail) {
+ uint32_t err;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
if (command == PA_COMMAND_ERROR) {
pa_assert(t);
- if (pa_tagstruct_getu32(t, &c->error) < 0) {
+ if (pa_tagstruct_getu32(t, &err) < 0) {
pa_context_fail(c, PA_ERR_PROTOCOL);
return -1;
-
}
+
} else if (command == PA_COMMAND_TIMEOUT)
- c->error = PA_ERR_TIMEOUT;
+ err = PA_ERR_TIMEOUT;
else {
pa_context_fail(c, PA_ERR_PROTOCOL);
return -1;
}
+ if (err == PA_OK) {
+ pa_context_fail(c, PA_ERR_PROTOCOL);
+ return -1;
+ }
+
+ if (err >= PA_ERR_MAX)
+ err = PA_ERR_UNKNOWN;
+
+ if (fail) {
+ pa_context_fail(c, (int) err);
+ return -1;
+ }
+
+ pa_context_set_error(c, (int) err);
+
return 0;
}
pa_context_ref(c);
if (command != PA_COMMAND_REPLY) {
-
- if (pa_context_handle_error(c, command, t) < 0)
- pa_context_fail(c, PA_ERR_PROTOCOL);
-
- pa_context_fail(c, c->error);
+ pa_context_handle_error(c, command, t, TRUE);
goto finish;
}
switch(c->state) {
case PA_CONTEXT_AUTHORIZING: {
pa_tagstruct *reply;
+ pa_bool_t shm_on_remote = FALSE;
if (pa_tagstruct_getu32(t, &c->version) < 0 ||
!pa_tagstruct_eof(t)) {
goto finish;
}
+ /* Starting with protocol version 13 the MSB of the version
+ tag reflects if shm is available for this connection or
+ not. */
+ if (c->version >= 13) {
+ shm_on_remote = !!(c->version & 0x80000000U);
+ c->version &= 0x7FFFFFFFU;
+ }
+
+ pa_log_debug("Protocol version: remote %u, local %u", c->version, PA_PROTOCOL_VERSION);
+
/* Enable shared memory support if possible */
- if (c->version >= 10 &&
- pa_mempool_is_shared(c->mempool) &&
- c->is_local) {
+ if (c->do_shm)
+ if (c->version < 10 || (c->version >= 13 && !shm_on_remote))
+ c->do_shm = FALSE;
+
+ if (c->do_shm) {
/* Only enable SHM if both sides are owned by the same
* user. This is a security measure because otherwise
#ifdef HAVE_CREDS
const pa_creds *creds;
- if ((creds = pa_pdispatch_creds(pd)))
- if (getuid() == creds->uid)
- pa_pstream_use_shm(c->pstream, 1);
+ if (!(creds = pa_pdispatch_creds(pd)) || getuid() != creds->uid)
+ c->do_shm = FALSE;
#endif
}
+ pa_log_debug("Negotiated SHM: %s", pa_yes_no(c->do_shm));
+ pa_pstream_enable_shm(c->pstream, c->do_shm);
+
reply = pa_tagstruct_command(c, PA_COMMAND_SET_CLIENT_NAME, &tag);
- pa_tagstruct_puts(reply, c->name);
+
+ if (c->version >= 13) {
+ pa_init_proplist(c->proplist);
+ pa_tagstruct_put_proplist(reply, c->proplist);
+ } else
+ pa_tagstruct_puts(reply, pa_proplist_gets(c->proplist, PA_PROP_APPLICATION_NAME));
+
pa_pstream_send_tagstruct(c->pstream, reply);
pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, setup_complete_callback, c, NULL);
}
case PA_CONTEXT_SETTING_NAME :
+
+ if ((c->version >= 13 && (pa_tagstruct_getu32(t, &c->client_index) < 0 ||
+ c->client_index == PA_INVALID_INDEX)) ||
+ !pa_tagstruct_eof(t)) {
+ pa_context_fail(c, PA_ERR_PROTOCOL);
+ goto finish;
+ }
+
pa_context_set_state(c, PA_CONTEXT_READY);
break;
default:
- pa_assert(0);
+ pa_assert_not_reached();
}
finish:
c->pdispatch = pa_pdispatch_new(c->mainloop, command_table, PA_COMMAND_MAX);
if (!c->conf->cookie_valid)
- pa_log_warn("No cookie loaded. Attempting to connect without.");
+ pa_log_info(_("No cookie loaded. Attempting to connect without."));
t = pa_tagstruct_command(c, PA_COMMAND_AUTH, &tag);
- pa_tagstruct_putu32(t, PA_PROTOCOL_VERSION);
+
+ c->do_shm =
+ pa_mempool_is_shared(c->mempool) &&
+ c->is_local;
+
+ pa_log_debug("SHM possible: %s", pa_yes_no(c->do_shm));
+
+ /* Starting with protocol version 13 we use the MSB of the version
+ * tag for informing the other side if we could do SHM or not */
+ pa_tagstruct_putu32(t, PA_PROTOCOL_VERSION | (c->do_shm ? 0x80000000U : 0));
pa_tagstruct_put_arbitrary(t, c->conf->cookie, sizeof(c->conf->cookie));
#ifdef HAVE_CREDS
int fds[2] = { -1, -1} ;
pa_iochannel *io;
+ if (getuid() == 0)
+ return -1;
+
pa_context_ref(c);
if (socketpair(AF_UNIX, SOCK_STREAM, 0, fds) < 0) {
- pa_log("socketpair(): %s", pa_cstrerror(errno));
+ pa_log_error(_("socketpair(): %s"), pa_cstrerror(errno));
pa_context_fail(c, PA_ERR_INTERNAL);
goto fail;
}
c->spawn_api.prefork();
if ((pid = fork()) < 0) {
- pa_log("fork(): %s", pa_cstrerror(errno));
+ pa_log_error(_("fork(): %s"), pa_cstrerror(errno));
pa_context_fail(c, PA_ERR_INTERNAL);
if (c->spawn_api.postfork)
#define MAX_ARGS 64
const char * argv[MAX_ARGS+1];
int n;
+ char *f;
+
+ pa_close_all(fds[1], -1);
- /* Not required, since fds[0] has CLOEXEC enabled anyway */
- pa_assert_se(pa_close(fds[0]) == 0);
+ f = pa_sprintf_malloc("%i", fds[1]);
+ pa_set_env("PULSE_PASSED_FD", f);
+ pa_xfree(f);
if (c->spawn_api.atfork)
c->spawn_api.atfork();
/* Parent */
+ pa_assert_se(pa_close(fds[1]) == 0);
+ fds[1] = -1;
+
r = waitpid(pid, &status, 0);
if (c->spawn_api.postfork)
c->spawn_api.postfork();
if (r < 0) {
- pa_log("waitpid(): %s", pa_cstrerror(errno));
+ pa_log(_("waitpid(): %s"), pa_cstrerror(errno));
pa_context_fail(c, PA_ERR_INTERNAL);
goto fail;
} else if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
goto fail;
}
- pa_assert_se(pa_close(fds[1]) == 0);
+ c->is_local = TRUE;
- c->is_local = 1;
+ unlock_autospawn(c);
io = pa_iochannel_new(c->mainloop, fds[0], fds[0]);
-
setup_context(c, io);
- unlock_autospawn_lock_file(c);
pa_context_unref(c);
fail:
pa_close_pipe(fds);
- unlock_autospawn_lock_file(c);
+ unlock_autospawn(c);
pa_context_unref(c);
if (!(c->client = pa_socket_client_new_string(c->mainloop, u, PA_NATIVE_DEFAULT_PORT)))
continue;
- c->is_local = pa_socket_client_is_local(c->client);
+ c->is_local = !!pa_socket_client_is_local(c->client);
pa_socket_client_set_callback(c->client, on_connection, c);
break;
}
static void on_connection(pa_socket_client *client, pa_iochannel*io, void *userdata) {
pa_context *c = userdata;
+ int saved_errno = errno;
pa_assert(client);
pa_assert(c);
if (!io) {
/* Try the item in the list */
- if (errno == ECONNREFUSED || errno == ETIMEDOUT || errno == EHOSTUNREACH) {
+ if (saved_errno == ECONNREFUSED ||
+ saved_errno == ETIMEDOUT ||
+ saved_errno == EHOSTUNREACH) {
try_next_connection(c);
goto finish;
}
goto finish;
}
- unlock_autospawn_lock_file(c);
+ unlock_autospawn(c);
setup_context(c, io);
finish:
pa_context_unref(c);
}
+static void autospawn_cb(pa_mainloop_api*a, pa_io_event *e, int fd, pa_io_event_flags_t events, void *userdata) {
+ pa_context *c = userdata;
+ int k;
+
+ pa_assert(a);
+ pa_assert(e);
+ pa_assert(fd >= 0);
+ pa_assert(events == PA_IO_EVENT_INPUT);
+ pa_assert(c);
+ pa_assert(e == c->autospawn_event);
+ pa_assert(fd == c->autospawn_fd);
+
+ pa_context_ref(c);
+
+ /* Check whether we can get the lock right now*/
+ if ((k = pa_autospawn_lock_acquire(FALSE)) < 0) {
+ pa_context_fail(c, PA_ERR_ACCESS);
+ goto finish;
+ }
+
+ if (k > 0) {
+ /* So we got it, rock on! */
+ c->autospawn_locked = TRUE;
+ try_next_connection(c);
+
+ c->mainloop->io_free(c->autospawn_event);
+ c->autospawn_event = NULL;
+ }
+
+finish:
+
+ pa_context_unref(c);
+}
+
+static char *get_old_legacy_runtime_dir(void) {
+ char *p, u[128];
+ struct stat st;
+
+ if (!pa_get_user_name(u, sizeof(u)))
+ return NULL;
+
+ p = pa_sprintf_malloc("/tmp/pulse-%s", u);
+
+ if (stat(p, &st) < 0) {
+ pa_xfree(p);
+ return NULL;
+ }
+
+ if (st.st_uid != getuid()) {
+ pa_xfree(p);
+ return NULL;
+ }
+
+ return p;
+}
+
+static char *get_very_old_legacy_runtime_dir(void) {
+ char *p, h[128];
+ struct stat st;
+
+ if (!pa_get_home_dir(h, sizeof(h)))
+ return NULL;
+
+ p = pa_sprintf_malloc("%s/.pulse", h);
+
+ if (stat(p, &st) < 0) {
+ pa_xfree(p);
+ return NULL;
+ }
+
+ if (st.st_uid != getuid()) {
+ pa_xfree(p);
+ return NULL;
+ }
+
+ return p;
+}
+
int pa_context_connect(
pa_context *c,
const char *server,
pa_context_fail(c, PA_ERR_INVALIDSERVER);
goto finish;
}
+
} else {
- char *d;
- char ufn[PATH_MAX];
+ char *d, *ufn;
+ static char *legacy_dir;
/* Prepend in reverse order */
c->server_list = pa_strlist_prepend(c->server_list, "tcp4:localhost");
/* The system wide instance */
- c->server_list = pa_strlist_prepend(c->server_list, PA_SYSTEM_RUNTIME_PATH "/" PA_NATIVE_DEFAULT_UNIX_SOCKET);
+ c->server_list = pa_strlist_prepend(c->server_list, PA_SYSTEM_RUNTIME_PATH PA_PATH_SEP PA_NATIVE_DEFAULT_UNIX_SOCKET);
+
+ /* The very old per-user instance path (< 0.9.11). This is supported only to ease upgrades */
+ if ((legacy_dir = get_very_old_legacy_runtime_dir())) {
+ char *p = pa_sprintf_malloc("%s" PA_PATH_SEP PA_NATIVE_DEFAULT_UNIX_SOCKET, legacy_dir);
+ c->server_list = pa_strlist_prepend(c->server_list, p);
+ pa_xfree(p);
+ pa_xfree(legacy_dir);
+ }
+
+ /* The old per-user instance path (< 0.9.12). This is supported only to ease upgrades */
+ if ((legacy_dir = get_old_legacy_runtime_dir())) {
+ char *p = pa_sprintf_malloc("%s" PA_PATH_SEP PA_NATIVE_DEFAULT_UNIX_SOCKET, legacy_dir);
+ c->server_list = pa_strlist_prepend(c->server_list, p);
+ pa_xfree(p);
+ pa_xfree(legacy_dir);
+ }
/* The per-user instance */
- c->server_list = pa_strlist_prepend(c->server_list, pa_runtime_path(PA_NATIVE_DEFAULT_UNIX_SOCKET, ufn, sizeof(ufn)));
+ if ((ufn = pa_runtime_path(PA_NATIVE_DEFAULT_UNIX_SOCKET))) {
+ c->server_list = pa_strlist_prepend(c->server_list, ufn);
+ pa_xfree(ufn);
+ }
/* Wrap the connection attempts in a single transaction for sane autospawn locking */
if (!(flags & PA_CONTEXT_NOAUTOSPAWN) && c->conf->autospawn) {
- char lf[PATH_MAX];
+ int k;
- pa_runtime_path(AUTOSPAWN_LOCK, lf, sizeof(lf));
- pa_make_secure_parent_dir(lf, 0700, (uid_t)-1, (gid_t)-1);
- pa_assert(c->autospawn_lock_fd <= 0);
- c->autospawn_lock_fd = pa_lock_lockfile(lf);
+ pa_assert(c->autospawn_fd < 0);
+ pa_assert(!c->autospawn_locked);
+
+ /* Start the locking procedure */
+ if ((c->autospawn_fd = pa_autospawn_lock_init()) < 0) {
+ pa_context_fail(c, PA_ERR_ACCESS);
+ goto finish;
+ }
if (api)
c->spawn_api = *api;
- c->do_autospawn = 1;
- }
+ c->do_autospawn = TRUE;
+
+ /* Check whether we can get the lock right now*/
+ if ((k = pa_autospawn_lock_acquire(FALSE)) < 0) {
+ pa_context_fail(c, PA_ERR_ACCESS);
+ goto finish;
+ }
+
+ if (k > 0)
+ /* So we got it, rock on! */
+ c->autospawn_locked = TRUE;
+ else {
+ /* Hmm, we didn't get it, so let's wait for it */
+ c->autospawn_event = c->mainloop->io_new(c->mainloop, c->autospawn_fd, PA_IO_EVENT_INPUT, autospawn_cb, c);
+
+ pa_context_set_state(c, PA_CONTEXT_CONNECTING);
+ r = 0;
+ goto finish;
+ }
+
+ }
}
pa_context_set_state(c, PA_CONTEXT_CONNECTING);
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
- pa_context_set_state(c, PA_CONTEXT_TERMINATED);
+ if (PA_CONTEXT_IS_GOOD(c->state))
+ pa_context_set_state(c, PA_CONTEXT_TERMINATED);
}
pa_context_state_t pa_context_get_state(pa_context *c) {
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ if (c->state == PA_CONTEXT_TERMINATED || c->state == PA_CONTEXT_FAILED)
+ return;
+
c->state_callback = cb;
c->state_userdata = userdata;
}
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
- PA_CHECK_VALIDITY(c,
- c->state == PA_CONTEXT_CONNECTING ||
- c->state == PA_CONTEXT_AUTHORIZING ||
- c->state == PA_CONTEXT_SETTING_NAME ||
- c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
+ PA_CHECK_VALIDITY(c, PA_CONTEXT_IS_GOOD(c->state), PA_ERR_BADSTATE);
return (c->pstream && pa_pstream_is_pending(c->pstream)) ||
(c->pdispatch && pa_pdispatch_is_pending(c->pdispatch)) ||
static void set_dispatch_callbacks(pa_operation *o);
-static void pdispatch_drain_callback(PA_GCC_UNUSED pa_pdispatch*pd, void *userdata) {
+static void pdispatch_drain_callback(pa_pdispatch*pd, void *userdata) {
set_dispatch_callbacks(userdata);
}
-static void pstream_drain_callback(PA_GCC_UNUSED pa_pstream *s, void *userdata) {
+static void pstream_drain_callback(pa_pstream *s, void *userdata) {
set_dispatch_callbacks(userdata);
}
return o;
}
-void pa_context_simple_ack_callback(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
+void pa_context_simple_ack_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
pa_operation *o = userdata;
int success = 1;
goto finish;
if (command != PA_COMMAND_REPLY) {
- if (pa_context_handle_error(o->context, command, t) < 0)
+ if (pa_context_handle_error(o->context, command, t, FALSE) < 0)
goto finish;
success = 0;
pa_operation_unref(o);
}
-pa_operation* pa_context_exit_daemon(pa_context *c, pa_context_success_cb_t cb, void *userdata) {
+pa_operation* pa_context_send_simple_command(pa_context *c, uint32_t command, pa_pdispatch_cb_t internal_cb, pa_operation_cb_t cb, void *userdata) {
pa_tagstruct *t;
pa_operation *o;
uint32_t tag;
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);
+ o = pa_operation_new(c, NULL, cb, userdata);
- t = pa_tagstruct_command(c, PA_COMMAND_EXIT, &tag);
+ t = pa_tagstruct_command(c, command, &tag);
pa_pstream_send_tagstruct(c->pstream, t);
- pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
+ pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, internal_cb, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
return o;
}
-pa_operation* pa_context_send_simple_command(pa_context *c, uint32_t command, pa_pdispatch_cb_t internal_cb, pa_operation_cb_t cb, void *userdata) {
- pa_tagstruct *t;
- pa_operation *o;
- uint32_t tag;
-
+pa_operation* pa_context_exit_daemon(pa_context *c, pa_context_success_cb_t cb, void *userdata) {
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
- PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
-
- o = pa_operation_new(c, NULL, cb, userdata);
-
- t = pa_tagstruct_command(c, command, &tag);
- pa_pstream_send_tagstruct(c->pstream, t);
- pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, internal_cb, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
-
- return o;
+ return pa_context_send_simple_command(c, PA_COMMAND_EXIT, pa_context_simple_ack_callback, (pa_operation_cb_t) cb, userdata);
}
pa_operation* pa_context_set_default_sink(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata) {
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);
-
t = pa_tagstruct_command(c, PA_COMMAND_SET_DEFAULT_SINK, &tag);
pa_tagstruct_puts(t, name);
pa_pstream_send_tagstruct(c->pstream, t);
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);
-
t = pa_tagstruct_command(c, PA_COMMAND_SET_DEFAULT_SOURCE, &tag);
pa_tagstruct_puts(t, name);
pa_pstream_send_tagstruct(c->pstream, t);
int pa_context_is_local(pa_context *c) {
pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+
+ PA_CHECK_VALIDITY_RETURN_ANY(c, PA_CONTEXT_IS_GOOD(c->state), PA_ERR_BADSTATE, -1);
- return c->is_local;
+ return !!c->is_local;
}
pa_operation* pa_context_set_name(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata) {
- pa_tagstruct *t;
pa_operation *o;
- uint32_t tag;
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
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);
+ if (c->version >= 13) {
+ pa_proplist *p = pa_proplist_new();
- t = pa_tagstruct_command(c, PA_COMMAND_SET_CLIENT_NAME, &tag);
- pa_tagstruct_puts(t, name);
- pa_pstream_send_tagstruct(c->pstream, t);
- pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
+ pa_proplist_sets(p, PA_PROP_APPLICATION_NAME, name);
+ o = pa_context_proplist_update(c, PA_UPDATE_REPLACE, p, cb, userdata);
+ pa_proplist_free(p);
+ } else {
+ pa_tagstruct *t;
+ uint32_t tag;
+
+ o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
+ t = pa_tagstruct_command(c, PA_COMMAND_SET_CLIENT_NAME, &tag);
+ pa_tagstruct_puts(t, name);
+ pa_pstream_send_tagstruct(c->pstream, t);
+ pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
+ }
return o;
}
return c->server;
}
-uint32_t pa_context_get_protocol_version(PA_GCC_UNUSED pa_context *c) {
+uint32_t pa_context_get_protocol_version(pa_context *c) {
return PA_PROTOCOL_VERSION;
}
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
+ PA_CHECK_VALIDITY_RETURN_ANY(c, PA_CONTEXT_IS_GOOD(c->state), PA_ERR_BADSTATE, PA_INVALID_INDEX);
+
return c->version;
}
return t;
}
+
+uint32_t pa_context_get_index(pa_context *c) {
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+
+ 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);
+
+ return c->client_index;
+}
+
+pa_operation *pa_context_proplist_update(pa_context *c, pa_update_mode_t mode, pa_proplist *p, pa_context_success_cb_t cb, void *userdata) {
+ pa_operation *o;
+ pa_tagstruct *t;
+ uint32_t tag;
+
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+
+ 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);
+
+ o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
+
+ t = pa_tagstruct_command(c, PA_COMMAND_UPDATE_CLIENT_PROPLIST, &tag);
+ pa_tagstruct_putu32(t, (uint32_t) mode);
+ pa_tagstruct_put_proplist(t, p);
+
+ pa_pstream_send_tagstruct(c->pstream, t);
+ pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
+
+ /* Please note that we don't update c->proplist here, because we
+ * don't export that field */
+
+ return o;
+}
+
+pa_operation *pa_context_proplist_remove(pa_context *c, const char *const keys[], pa_context_success_cb_t cb, void *userdata) {
+ pa_operation *o;
+ pa_tagstruct *t;
+ uint32_t tag;
+ const char * const *k;
+
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+
+ 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);
+
+ o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
+
+ t = pa_tagstruct_command(c, PA_COMMAND_REMOVE_CLIENT_PROPLIST, &tag);
+
+ for (k = keys; *k; k++)
+ pa_tagstruct_puts(t, *k);
+
+ pa_tagstruct_puts(t, NULL);
+
+ pa_pstream_send_tagstruct(c->pstream, t);
+ pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
+
+ /* Please note that we don't update c->proplist here, because we
+ * don't export that field */
+
+ return o;
+}
+
+void pa_command_extension(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ pa_context *c = userdata;
+ uint32_t idx;
+ const char *name;
+
+ pa_assert(pd);
+ pa_assert(command == PA_COMMAND_EXTENSION);
+ pa_assert(t);
+ pa_assert(c);
+ pa_assert(PA_REFCNT_VALUE(c) >= 1);
+
+ pa_context_ref(c);
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ pa_tagstruct_gets(t, &name) < 0) {
+ pa_context_fail(c, PA_ERR_PROTOCOL);
+ goto finish;
+ }
+
+ if (!strcmp(name, "module-stream-restore"))
+ pa_ext_stream_restore_command(c, tag, t);
+ else
+ pa_log(_("Received message for unknown extension '%s'"), name);
+
+finish:
+ pa_context_unref(c);
+}