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code.delx.au - pulseaudio/blob - src/modules/module-cli.c
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>
40 #include "module-cli-symdef.h"
42 PA_MODULE_AUTHOR("Lennart Poettering");
43 PA_MODULE_DESCRIPTION("Command line interface");
44 PA_MODULE_VERSION(PACKAGE_VERSION
);
45 PA_MODULE_LOAD_ONCE(true);
46 PA_MODULE_USAGE("exit_on_eof=<exit daemon after EOF?>");
48 static const char* const valid_modargs
[] = {
53 static void eof_and_unload_cb(pa_cli
*c
, void *userdata
) {
54 pa_module
*m
= userdata
;
59 pa_module_unload_request(m
, true);
62 static void eof_and_exit_cb(pa_cli
*c
, void *userdata
) {
63 pa_module
*m
= userdata
;
68 pa_core_exit(m
->core
, false, 0);
71 int pa__init(pa_module
*m
) {
74 bool exit_on_eof
= false;
81 if (m
->core
->running_as_daemon
) {
82 pa_log_info("Running as daemon, refusing to load this module.");
86 if (!(ma
= pa_modargs_new(m
->argument
, valid_modargs
))) {
87 pa_log("failed to parse module arguments.");
91 if (pa_modargs_get_value_boolean(ma
, "exit_on_eof", &exit_on_eof
) < 0) {
92 pa_log("exit_on_eof= expects boolean argument.");
96 if (pa_stdio_acquire() < 0) {
97 pa_log("STDIN/STDOUT already in use.");
101 /* We try to open the controlling tty anew here. This has the
102 * benefit of giving us a new fd that doesn't share the O_NDELAY
103 * flag with fds 0, 1, or 2. Since pa_iochannel_xxx needs O_NDELAY
104 * on its fd using those fds directly could set O_NDELAY which
105 * fprintf() doesn't really like, resulting in truncated output
106 * of log messages, particularly because if stdout and stderr are
107 * dup'ed they share the same O_NDELAY, too. */
110 if ((fd
= pa_open_cloexec("/dev/tty", O_RDWR
|O_NONBLOCK
, 0)) >= 0) {
111 io
= pa_iochannel_new(m
->core
->mainloop
, fd
, fd
);
112 pa_log_debug("Managed to open /dev/tty.");
117 io
= pa_iochannel_new(m
->core
->mainloop
, STDIN_FILENO
, STDOUT_FILENO
);
118 pa_iochannel_set_noclose(io
, true);
119 pa_log_debug("Failed to open /dev/tty, using stdin/stdout fds instead.");
122 m
->userdata
= pa_cli_new(m
->core
, io
, m
);
123 pa_cli_set_eof_callback(m
->userdata
, exit_on_eof
? eof_and_exit_cb
: eof_and_unload_cb
, m
);
137 void pa__done(pa_module
*m
) {
141 pa_cli_free(m
->userdata
);