diff options
Diffstat (limited to 'polyp/polyplib-context.c')
| -rw-r--r-- | polyp/polyplib-context.c | 871 |
1 files changed, 0 insertions, 871 deletions
diff --git a/polyp/polyplib-context.c b/polyp/polyplib-context.c deleted file mode 100644 index 15f2e4cd..00000000 --- a/polyp/polyplib-context.c +++ /dev/null @@ -1,871 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of polypaudio. - - polypaudio 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 of the License, - or (at your option) any later version. - - polypaudio 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 polypaudio; 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 <stdio.h> -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include <sys/types.h> -#include <unistd.h> -#include <sys/stat.h> -#include <errno.h> -#include <signal.h> -#include <limits.h> - -#ifdef HAVE_SYS_WAIT_H -#include <sys/wait.h> -#endif - -#ifdef HAVE_SYS_SOCKET_H -#include <sys/socket.h> -#endif -#ifdef HAVE_NETDB_H -#include <netdb.h> -#endif - -#include "winsock.h" - -#include "polyplib-internal.h" -#include "polyplib-context.h" -#include "polyplib-version.h" -#include "native-common.h" -#include "pdispatch.h" -#include "pstream.h" -#include "dynarray.h" -#include "socket-client.h" -#include "pstream-util.h" -#include "util.h" -#include "xmalloc.h" -#include "log.h" -#include "client-conf.h" -#include "socket-util.h" - -#ifdef HAVE_X11 -#include "client-conf-x11.h" -#endif - -#define AUTOSPAWN_LOCK "autospawn.lock" - -static const pa_pdispatch_callback command_table[PA_COMMAND_MAX] = { - [PA_COMMAND_REQUEST] = pa_command_request, - [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 -}; - -static void unlock_autospawn_lock_file(pa_context *c) { - assert(c); - - if (c->autospawn_lock_fd >= 0) { - char lf[PATH_MAX]; - pa_runtime_path(AUTOSPAWN_LOCK, lf, sizeof(lf)); - - pa_unlock_lockfile(lf, c->autospawn_lock_fd); - c->autospawn_lock_fd = -1; - } -} - -pa_context *pa_context_new(pa_mainloop_api *mainloop, const char *name) { - pa_context *c; - assert(mainloop && name); - - c = pa_xmalloc(sizeof(pa_context)); - c->ref = 1; - c->name = pa_xstrdup(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(); - assert(c->playback_streams && c->record_streams); - - PA_LLIST_HEAD_INIT(pa_stream, c->streams); - PA_LLIST_HEAD_INIT(pa_operation, c->operations); - - c->error = PA_ERROR_OK; - c->state = PA_CONTEXT_UNCONNECTED; - c->ctag = 0; - - c->state_callback = NULL; - c->state_userdata = NULL; - - c->subscribe_callback = NULL; - c->subscribe_userdata = NULL; - - c->memblock_stat = pa_memblock_stat_new(); - c->local = -1; - c->server_list = NULL; - c->server = NULL; - c->autospawn_lock_fd = -1; - memset(&c->spawn_api, 0, sizeof(c->spawn_api)); - c->do_autospawn = 0; - -#ifdef SIGPIPE - pa_check_signal_is_blocked(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_env(c->conf); - - return c; -} - -static void context_free(pa_context *c) { - assert(c); - - unlock_autospawn_lock_file(c); - - 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) - pa_pdispatch_unref(c->pdispatch); - if (c->pstream) { - pa_pstream_close(c->pstream); - pa_pstream_unref(c->pstream); - } - - if (c->record_streams) - pa_dynarray_free(c->record_streams, NULL, NULL); - if (c->playback_streams) - pa_dynarray_free(c->playback_streams, NULL, NULL); - - pa_memblock_stat_unref(c->memblock_stat); - - if (c->conf) - pa_client_conf_free(c->conf); - - pa_strlist_free(c->server_list); - - pa_xfree(c->name); - pa_xfree(c->server); - pa_xfree(c); -} - -pa_context* pa_context_ref(pa_context *c) { - assert(c && c->ref >= 1); - c->ref++; - return c; -} - -void pa_context_unref(pa_context *c) { - assert(c && c->ref >= 1); - - if ((--(c->ref)) == 0) - context_free(c); -} - -void pa_context_set_state(pa_context *c, pa_context_state_t st) { - assert(c); - - if (c->state == st) - return; - - pa_context_ref(c); - - 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_close(c->pstream); - pa_pstream_unref(c->pstream); - } - c->pstream = NULL; - - if (c->client) - pa_socket_client_unref(c->client); - c->client = NULL; - } - - c->state = st; - if (c->state_callback) - c->state_callback(c, c->state_userdata); - - pa_context_unref(c); -} - -void pa_context_fail(pa_context *c, int error) { - assert(c); - c->error = error; - pa_context_set_state(c, PA_CONTEXT_FAILED); -} - -static void pstream_die_callback(pa_pstream *p, void *userdata) { - pa_context *c = userdata; - assert(p && c); - pa_context_fail(c, PA_ERROR_CONNECTIONTERMINATED); -} - -static void pstream_packet_callback(pa_pstream *p, pa_packet *packet, void *userdata) { - pa_context *c = userdata; - assert(p && packet && c); - - pa_context_ref(c); - - if (pa_pdispatch_run(c->pdispatch, packet, c) < 0) { - pa_log(__FILE__": invalid packet.\n"); - pa_context_fail(c, PA_ERROR_PROTOCOL); - } - - pa_context_unref(c); -} - -static void pstream_memblock_callback(pa_pstream *p, uint32_t channel, PA_GCC_UNUSED uint32_t delta, const pa_memchunk *chunk, void *userdata) { - pa_context *c = userdata; - pa_stream *s; - assert(p && chunk && c && chunk->memblock && chunk->memblock->data); - - pa_context_ref(c); - - if ((s = pa_dynarray_get(c->record_streams, channel))) { - pa_mcalign_push(s->mcalign, chunk); - - for (;;) { - pa_memchunk t; - - if (pa_mcalign_pop(s->mcalign, &t) < 0) - break; - - if (s->read_callback) { - s->read_callback(s, (uint8_t*) t.memblock->data + t.index, t.length, s->read_userdata); - s->counter += chunk->length; - } - - pa_memblock_unref(t.memblock); - } - } - - pa_context_unref(c); -} - -int pa_context_handle_error(pa_context *c, uint32_t command, pa_tagstruct *t) { - assert(c); - - if (command == PA_COMMAND_ERROR) { - assert(t); - - if (pa_tagstruct_getu32(t, &c->error) < 0) { - pa_context_fail(c, PA_ERROR_PROTOCOL); - return -1; - - } - } else if (command == PA_COMMAND_TIMEOUT) - c->error = PA_ERROR_TIMEOUT; - else { - pa_context_fail(c, PA_ERROR_PROTOCOL); - return -1; - } - - return 0; -} - -static void setup_complete_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { - pa_context *c = userdata; - assert(pd && c && (c->state == PA_CONTEXT_AUTHORIZING || c->state == PA_CONTEXT_SETTING_NAME)); - - pa_context_ref(c); - - if (command != PA_COMMAND_REPLY) { - - if (pa_context_handle_error(c, command, t) < 0) - pa_context_fail(c, PA_ERROR_PROTOCOL); - - pa_context_fail(c, c->error); - goto finish; - } - - switch(c->state) { - case PA_CONTEXT_AUTHORIZING: { - pa_tagstruct *reply; - reply = pa_tagstruct_new(NULL, 0); - pa_tagstruct_putu32(reply, PA_COMMAND_SET_CLIENT_NAME); - pa_tagstruct_putu32(reply, tag = c->ctag++); - pa_tagstruct_puts(reply, c->name); - pa_pstream_send_tagstruct(c->pstream, reply); - pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, setup_complete_callback, c); - - pa_context_set_state(c, PA_CONTEXT_SETTING_NAME); - break; - } - - case PA_CONTEXT_SETTING_NAME : - pa_context_set_state(c, PA_CONTEXT_READY); - break; - - default: - assert(0); - } - -finish: - pa_context_unref(c); -} - -static void setup_context(pa_context *c, pa_iochannel *io) { - pa_tagstruct *t; - uint32_t tag; - assert(c && io); - - pa_context_ref(c); - - assert(!c->pstream); - c->pstream = pa_pstream_new(c->mainloop, io, c->memblock_stat); - assert(c->pstream); - - pa_pstream_set_die_callback(c->pstream, pstream_die_callback, c); - pa_pstream_set_recieve_packet_callback(c->pstream, pstream_packet_callback, c); - pa_pstream_set_recieve_memblock_callback(c->pstream, pstream_memblock_callback, c); - - assert(!c->pdispatch); - c->pdispatch = pa_pdispatch_new(c->mainloop, command_table, PA_COMMAND_MAX); - assert(c->pdispatch); - - if (!c->conf->cookie_valid) { - pa_context_fail(c, PA_ERROR_AUTHKEY); - goto finish; - } - - t = pa_tagstruct_new(NULL, 0); - assert(t); - pa_tagstruct_putu32(t, PA_COMMAND_AUTH); - pa_tagstruct_putu32(t, tag = c->ctag++); - pa_tagstruct_put_arbitrary(t, c->conf->cookie, sizeof(c->conf->cookie)); - pa_pstream_send_tagstruct(c->pstream, t); - pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, setup_complete_callback, c); - - pa_context_set_state(c, PA_CONTEXT_AUTHORIZING); - -finish: - - pa_context_unref(c); -} - -static void on_connection(pa_socket_client *client, pa_iochannel*io, void *userdata); - -#ifndef OS_IS_WIN32 - -static int context_connect_spawn(pa_context *c) { - pid_t pid; - int status, r; - int fds[2] = { -1, -1} ; - pa_iochannel *io; - - pa_context_ref(c); - - if (socketpair(AF_UNIX, SOCK_STREAM, 0, fds) < 0) { - pa_log(__FILE__": socketpair() failed: %s\n", strerror(errno)); - pa_context_fail(c, PA_ERROR_INTERNAL); - goto fail; - } - - pa_fd_set_cloexec(fds[0], 1); - - pa_socket_low_delay(fds[0]); - pa_socket_low_delay(fds[1]); - - if (c->spawn_api.prefork) - c->spawn_api.prefork(); - - if ((pid = fork()) < 0) { - pa_log(__FILE__": fork() failed: %s\n", strerror(errno)); - pa_context_fail(c, PA_ERROR_INTERNAL); - - if (c->spawn_api.postfork) - c->spawn_api.postfork(); - - goto fail; - } else if (!pid) { - /* Child */ - - char t[128]; - const char *state = NULL; -#define MAX_ARGS 64 - const char * argv[MAX_ARGS+1]; - int n; - - /* Not required, since fds[0] has CLOEXEC enabled anyway */ - close(fds[0]); - - if (c->spawn_api.atfork) - c->spawn_api.atfork(); - - /* Setup argv */ - - n = 0; - - argv[n++] = c->conf->daemon_binary; - argv[n++] = "--daemonize=yes"; - - snprintf(t, sizeof(t), "-Lmodule-native-protocol-fd fd=%i", fds[1]); - argv[n++] = strdup(t); - - while (n < MAX_ARGS) { - char *a; - - if (!(a = pa_split_spaces(c->conf->extra_arguments, &state))) - break; - - argv[n++] = a; - } - - argv[n++] = NULL; - - execv(argv[0], (char * const *) argv); - _exit(1); -#undef MAX_ARGS - } - - /* Parent */ - - r = waitpid(pid, &status, 0); - - if (c->spawn_api.postfork) - c->spawn_api.postfork(); - - if (r < 0) { - pa_log(__FILE__": waitpid() failed: %s\n", strerror(errno)); - pa_context_fail(c, PA_ERROR_INTERNAL); - goto fail; - } else if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) { - pa_context_fail(c, PA_ERROR_CONNECTIONREFUSED); - goto fail; - } - - close(fds[1]); - - c->local = 1; - - io = pa_iochannel_new(c->mainloop, fds[0], fds[0]); - - setup_context(c, io); - unlock_autospawn_lock_file(c); - - pa_context_unref(c); - - return 0; - -fail: - if (fds[0] != -1) - close(fds[0]); - if (fds[1] != -1) - close(fds[1]); - - unlock_autospawn_lock_file(c); - - pa_context_unref(c); - - return -1; -} - -#endif /* OS_IS_WIN32 */ - -static int try_next_connection(pa_context *c) { - char *u = NULL; - int r = -1; - assert(c && !c->client); - - for (;;) { - if (u) - pa_xfree(u); - u = NULL; - - c->server_list = pa_strlist_pop(c->server_list, &u); - - if (!u) { - -#ifndef OS_IS_WIN32 - if (c->do_autospawn) { - r = context_connect_spawn(c); - goto finish; - } -#endif - - pa_context_fail(c, PA_ERROR_CONNECTIONREFUSED); - goto finish; - } - - pa_log_debug(__FILE__": Trying to connect to %s...\n", u); - - pa_xfree(c->server); - c->server = pa_xstrdup(u); - - if (!(c->client = pa_socket_client_new_string(c->mainloop, u, PA_NATIVE_DEFAULT_PORT))) - continue; - - c->local = pa_socket_client_is_local(c->client); - pa_socket_client_set_callback(c->client, on_connection, c); - break; - } - - r = 0; - -finish: - if (u) - pa_xfree(u); - - return r; -} - -static void on_connection(pa_socket_client *client, pa_iochannel*io, void *userdata) { - pa_context *c = userdata; - assert(client && c && c->state == PA_CONTEXT_CONNECTING); - - pa_context_ref(c); - - pa_socket_client_unref(client); - c->client = NULL; - - if (!io) { - /* Try the item in the list */ - if (errno == ECONNREFUSED || errno == ETIMEDOUT || errno == EHOSTUNREACH) { - try_next_connection(c); - goto finish; - } - - pa_context_fail(c, PA_ERROR_CONNECTIONREFUSED); - goto finish; - } - - unlock_autospawn_lock_file(c); - setup_context(c, io); - -finish: - pa_context_unref(c); -} - -int pa_context_connect(pa_context *c, const char *server, int spawn, const pa_spawn_api *api) { - int r = -1; - assert(c && c->ref >= 1 && c->state == PA_CONTEXT_UNCONNECTED); - - if (!server) - server = c->conf->default_server; - - pa_context_ref(c); - - assert(!c->server_list); - - if (server) { - if (!(c->server_list = pa_strlist_parse(server))) { - pa_context_fail(c, PA_ERROR_INVALIDSERVER); - goto finish; - } - } else { - char *d; - char ufn[PATH_MAX]; - - /* Prepend in reverse order */ - - if ((d = getenv("DISPLAY"))) { - char *e; - d = pa_xstrdup(d); - if ((e = strchr(d, ':'))) - *e = 0; - - if (*d) - c->server_list = pa_strlist_prepend(c->server_list, d); - - pa_xfree(d); - } - - c->server_list = pa_strlist_prepend(c->server_list, "tcp6:localhost"); - c->server_list = pa_strlist_prepend(c->server_list, "localhost"); - c->server_list = pa_strlist_prepend(c->server_list, pa_runtime_path(PA_NATIVE_DEFAULT_UNIX_SOCKET, ufn, sizeof(ufn))); - - /* Wrap the connection attempts in a single transaction for sane autospawn locking */ - if (spawn && c->conf->autospawn) { - char lf[PATH_MAX]; - - pa_runtime_path(AUTOSPAWN_LOCK, lf, sizeof(lf)); - pa_make_secure_parent_dir(lf); - assert(c->autospawn_lock_fd <= 0); - c->autospawn_lock_fd = pa_lock_lockfile(lf); - - if (api) - c->spawn_api = *api; - c->do_autospawn = 1; - } - - } - - pa_context_set_state(c, PA_CONTEXT_CONNECTING); - r = try_next_connection(c); - -finish: - pa_context_unref(c); - - return r; -} - -void pa_context_disconnect(pa_context *c) { - assert(c); - pa_context_set_state(c, PA_CONTEXT_TERMINATED); -} - -pa_context_state_t pa_context_get_state(pa_context *c) { - assert(c && c->ref >= 1); - return c->state; -} - -int pa_context_errno(pa_context *c) { - assert(c && c->ref >= 1); - return c->error; -} - -void pa_context_set_state_callback(pa_context *c, void (*cb)(pa_context *c, void *userdata), void *userdata) { - assert(c && c->ref >= 1); - c->state_callback = cb; - c->state_userdata = userdata; -} - -int pa_context_is_pending(pa_context *c) { - assert(c && c->ref >= 1); - -/* pa_log("pstream: %i\n", pa_pstream_is_pending(c->pstream)); */ -/* pa_log("pdispatch: %i\n", pa_pdispatch_is_pending(c->pdispatch)); */ - - return (c->pstream && pa_pstream_is_pending(c->pstream)) || - (c->pdispatch && pa_pdispatch_is_pending(c->pdispatch)) || - c->client; -} - -static void set_dispatch_callbacks(pa_operation *o); - -static void pdispatch_drain_callback(PA_GCC_UNUSED pa_pdispatch*pd, void *userdata) { - set_dispatch_callbacks(userdata); -} - -static void pstream_drain_callback(PA_GCC_UNUSED pa_pstream *s, void *userdata) { - set_dispatch_callbacks(userdata); -} - -static void set_dispatch_callbacks(pa_operation *o) { - int done = 1; - assert(o && o->context && o->context->ref >= 1 && o->ref >= 1 && o->context->state == PA_CONTEXT_READY); - - pa_pstream_set_drain_callback(o->context->pstream, NULL, NULL); - pa_pdispatch_set_drain_callback(o->context->pdispatch, NULL, NULL); - - if (pa_pdispatch_is_pending(o->context->pdispatch)) { - pa_pdispatch_set_drain_callback(o->context->pdispatch, pdispatch_drain_callback, o); - done = 0; - } - - if (pa_pstream_is_pending(o->context->pstream)) { - pa_pstream_set_drain_callback(o->context->pstream, pstream_drain_callback, o); - done = 0; - } - - if (!done) - pa_operation_ref(o); - else { - if (o->callback) { - void (*cb)(pa_context *c, void *userdata); - cb = (void (*)(pa_context*, void*)) o->callback; - cb(o->context, o->userdata); - } - - pa_operation_done(o); - } - - pa_operation_unref(o); -} - -pa_operation* pa_context_drain(pa_context *c, void (*cb) (pa_context*c, void *userdata), void *userdata) { - pa_operation *o; - assert(c && c->ref >= 1); - - if (c->state != PA_CONTEXT_READY) - return NULL; - - if (!pa_context_is_pending(c)) - return NULL; - - o = pa_operation_new(c, NULL); - assert(o); - o->callback = (pa_operation_callback) cb; - o->userdata = userdata; - - set_dispatch_callbacks(pa_operation_ref(o)); - - return o; -} - -void pa_context_exit_daemon(pa_context *c) { - pa_tagstruct *t; - assert(c && c->ref >= 1); - - t = pa_tagstruct_new(NULL, 0); - assert(t); - pa_tagstruct_putu32(t, PA_COMMAND_EXIT); - pa_tagstruct_putu32(t, c->ctag++); - pa_pstream_send_tagstruct(c->pstream, t); -} - -void pa_context_simple_ack_callback(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) { - pa_operation *o = userdata; - int success = 1; - assert(pd && o && o->context && o->ref >= 1); - - if (command != PA_COMMAND_REPLY) { - if (pa_context_handle_error(o->context, command, t) < 0) - goto finish; - - success = 0; - } else if (!pa_tagstruct_eof(t)) { - pa_context_fail(o->context, PA_ERROR_PROTOCOL); - goto finish; - } - - if (o->callback) { - void (*cb)(pa_context *c, int _success, void *_userdata) = (void (*)(pa_context *c, int _success, void *_userdata)) o->callback; - cb(o->context, success, o->userdata); - } - -finish: - pa_operation_done(o); - pa_operation_unref(o); -} - -pa_operation* pa_context_send_simple_command(pa_context *c, uint32_t command, void (*internal_callback)(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata), void (*cb)(void), void *userdata) { - pa_tagstruct *t; - pa_operation *o; - uint32_t tag; - assert(c && cb); - - o = pa_operation_new(c, NULL); - o->callback = cb; - o->userdata = userdata; - - t = pa_tagstruct_new(NULL, 0); - pa_tagstruct_putu32(t, command); - pa_tagstruct_putu32(t, tag = c->ctag++); - pa_pstream_send_tagstruct(c->pstream, t); - pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, internal_callback, o); - - return pa_operation_ref(o); -} - -pa_operation* pa_context_set_default_sink(pa_context *c, const char *name, void(*cb)(pa_context*c, int success, void *userdata), void *userdata) { - pa_tagstruct *t; - pa_operation *o; - uint32_t tag; - assert(c && cb); - - o = pa_operation_new(c, NULL); - o->callback = (pa_operation_callback) cb; - o->userdata = userdata; - - t = pa_tagstruct_new(NULL, 0); - pa_tagstruct_putu32(t, PA_COMMAND_SET_DEFAULT_SINK); - pa_tagstruct_putu32(t, tag = c->ctag++); - 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, o); - - return pa_operation_ref(o); -} - -pa_operation* pa_context_set_default_source(pa_context *c, const char *name, void(*cb)(pa_context*c, int success, void *userdata), void *userdata) { - pa_tagstruct *t; - pa_operation *o; - uint32_t tag; - assert(c && cb); - - o = pa_operation_new(c, NULL); - o->callback = (pa_operation_callback) cb; - o->userdata = userdata; - - t = pa_tagstruct_new(NULL, 0); - pa_tagstruct_putu32(t, PA_COMMAND_SET_DEFAULT_SOURCE); - pa_tagstruct_putu32(t, tag = c->ctag++); - 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, o); - - return pa_operation_ref(o); -} - -int pa_context_is_local(pa_context *c) { - assert(c); - return c->local; -} - -pa_operation* pa_context_set_name(pa_context *c, const char *name, void(*cb)(pa_context*c, int success, void *userdata), void *userdata) { - pa_tagstruct *t; - pa_operation *o; - uint32_t tag; - assert(c && name && cb); - - o = pa_operation_new(c, NULL); - o->callback = (pa_operation_callback) cb; - o->userdata = userdata; - - t = pa_tagstruct_new(NULL, 0); - pa_tagstruct_putu32(t, PA_COMMAND_SET_CLIENT_NAME); - pa_tagstruct_putu32(t, tag = c->ctag++); - 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, o); - - return pa_operation_ref(o); -} - -const char* pa_get_library_version(void) { - return PACKAGE_VERSION; -} - -const char* pa_context_get_server(pa_context *c) { - - if (!c->server) - return NULL; - - if (*c->server == '{') { - char *e = strchr(c->server+1, '}'); - return e ? e+1 : c->server; - } - - return c->server; -} |