2 This file is part of PulseAudio.
4 Copyright 2004-2006 Lennart Poettering
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2.1 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
31 #include <pulsecore/module.h>
32 #include <pulsecore/iochannel.h>
33 #include <pulsecore/cli.h>
34 #include <pulsecore/sioman.h>
35 #include <pulsecore/log.h>
36 #include <pulsecore/modargs.h>
37 #include <pulsecore/macro.h>
38 #include <pulsecore/core-util.h>
39 #include <pulsecore/core-error.h>
41 #include "module-cli-symdef.h"
43 PA_MODULE_AUTHOR("Lennart Poettering");
44 PA_MODULE_DESCRIPTION("Command line interface");
45 PA_MODULE_VERSION(PACKAGE_VERSION);
46 PA_MODULE_LOAD_ONCE(TRUE);
47 PA_MODULE_USAGE("exit_on_eof=<exit daemon after EOF?>");
49 static const char* const valid_modargs[] = {
54 static void eof_and_unload_cb(pa_cli*c, void *userdata) {
55 pa_module *m = userdata;
60 pa_module_unload_request(m, TRUE);
63 static void eof_and_exit_cb(pa_cli*c, void *userdata) {
64 pa_module *m = userdata;
69 pa_core_exit(m->core, FALSE, 0);
72 int pa__init(pa_module*m) {
75 pa_bool_t exit_on_eof = FALSE;
80 if (m->core->running_as_daemon) {
81 pa_log_info("Running as daemon, refusing to load this module.");
85 if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
86 pa_log("failed to parse module arguments.");
90 if (pa_modargs_get_value_boolean(ma, "exit_on_eof", &exit_on_eof) < 0) {
91 pa_log("exit_on_eof= expects boolean argument.");
95 if (pa_stdio_acquire() < 0) {
96 pa_log("STDIN/STDUSE already in use.");
100 /* We try to open the controlling tty anew here. This has the
101 * benefit of giving us a new fd that doesn't share the O_NDELAY
102 * flag with fds 0, 1, or 2. Since pa_iochannel_xxx needs O_NDELAY
103 * on its fd using those fds directly could set O_NDELAY which
104 * fprintf() doesn't really like, resulting in truncated output
105 * of log messages, particularly because if stdout and stderr are
106 * dup'ed they share the same O_NDELAY, too. */
108 if ((fd = open("/dev/tty", O_RDWR|O_CLOEXEC|O_NONBLOCK)) >= 0) {
109 io = pa_iochannel_new(m->core->mainloop, fd, fd);
110 pa_log_debug("Managed to open /dev/tty.");
112 io = pa_iochannel_new(m->core->mainloop, STDIN_FILENO, STDOUT_FILENO);
113 pa_iochannel_set_noclose(io, TRUE);
114 pa_log_debug("Failed to open /dev/tty, using stdin/stdout fds instead.");
117 m->userdata = pa_cli_new(m->core, io, m);
118 pa_cli_set_eof_callback(m->userdata, exit_on_eof ? eof_and_exit_cb : eof_and_unload_cb, m);
132 void pa__done(pa_module*m) {
135 if (m->core->running_as_daemon == 0) {
136 pa_cli_free(m->userdata);