diff options
Diffstat (limited to 'polyp/main.c')
| -rw-r--r-- | polyp/main.c | 472 |
1 files changed, 0 insertions, 472 deletions
diff --git a/polyp/main.c b/polyp/main.c deleted file mode 100644 index b5aac851..00000000 --- a/polyp/main.c +++ /dev/null @@ -1,472 +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 <unistd.h> -#include <errno.h> -#include <string.h> -#include <stdlib.h> -#include <stdio.h> -#include <signal.h> -#include <stddef.h> -#include <assert.h> -#include <ltdl.h> -#include <memblock.h> -#include <limits.h> -#include <fcntl.h> -#include <unistd.h> -#include <sys/types.h> -#include <liboil/liboil.h> - -#ifdef HAVE_SYS_IOCTL_H -#include <sys/ioctl.h> -#endif - -#ifdef HAVE_LIBWRAP -#include <syslog.h> -#include <tcpd.h> -#endif - -#include "winsock.h" - -#include "core.h" -#include "mainloop.h" -#include "module.h" -#include "mainloop-signal.h" -#include "cmdline.h" -#include "cli-command.h" -#include "util.h" -#include "sioman.h" -#include "xmalloc.h" -#include "cpulimit.h" -#include "log.h" -#include "daemon-conf.h" -#include "dumpmodules.h" -#include "caps.h" -#include "cli-text.h" -#include "pid.h" -#include "namereg.h" - -#ifdef HAVE_LIBWRAP -/* Only one instance of these variables */ -int allow_severity = LOG_INFO; -int deny_severity = LOG_WARNING; -#endif - -#ifdef OS_IS_WIN32 - -static void message_cb(pa_mainloop_api*a, pa_defer_event *e, void *userdata) { - MSG msg; - - while(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) { - if (msg.message == WM_QUIT) - raise(SIGTERM); - else { - TranslateMessage(&msg); - DispatchMessage(&msg); - } - } -} - -#endif - -static void signal_callback(pa_mainloop_api*m, PA_GCC_UNUSED pa_signal_event *e, int sig, void *userdata) { - pa_log_info(__FILE__": Got signal %s.\n", pa_strsignal(sig)); - - switch (sig) { -#ifdef SIGUSR1 - case SIGUSR1: - pa_module_load(userdata, "module-cli", NULL); - break; -#endif - -#ifdef SIGUSR2 - case SIGUSR2: - pa_module_load(userdata, "module-cli-protocol-unix", NULL); - break; -#endif - -#ifdef SIGHUP - case SIGHUP: { - char *c = pa_full_status_string(userdata); - pa_log_notice(c); - pa_xfree(c); - return; - } -#endif - - case SIGINT: - case SIGTERM: - default: - pa_log_info(__FILE__": Exiting.\n"); - m->quit(m, 1); - break; - } -} - -static void close_pipe(int p[2]) { - if (p[0] != -1) - close(p[0]); - if (p[1] != -1) - close(p[1]); - p[0] = p[1] = -1; -} - -int main(int argc, char *argv[]) { - pa_core *c; - pa_strbuf *buf = NULL; - pa_daemon_conf *conf; - pa_mainloop *mainloop; - - char *s; - int r, retval = 1, d = 0; - int daemon_pipe[2] = { -1, -1 }; - int suid_root; - int valid_pid_file = 0; - -#ifdef HAVE_GETUID - gid_t gid = (gid_t) -1; -#endif - -#ifdef OS_IS_WIN32 - pa_defer_event *defer; -#endif - - pa_limit_caps(); - -#ifdef HAVE_GETUID - suid_root = getuid() != 0 && geteuid() == 0; - - if (suid_root && (pa_uid_in_group("realtime", &gid) <= 0 || gid >= 1000)) { - pa_log_warn(__FILE__": WARNING: called SUID root, but not in group 'realtime'.\n"); - pa_drop_root(); - } -#else - suid_root = 0; -#endif - - LTDL_SET_PRELOADED_SYMBOLS(); - - r = lt_dlinit(); - assert(r == 0); - -#ifdef OS_IS_WIN32 - { - WSADATA data; - WSAStartup(MAKEWORD(2, 0), &data); - } -#endif - - pa_log_set_ident("polypaudio"); - - conf = pa_daemon_conf_new(); - - if (pa_daemon_conf_load(conf, NULL) < 0) - goto finish; - - if (pa_daemon_conf_env(conf) < 0) - goto finish; - - if (pa_cmdline_parse(conf, argc, argv, &d) < 0) { - pa_log(__FILE__": failed to parse command line.\n"); - goto finish; - } - - pa_log_set_maximal_level(conf->log_level); - pa_log_set_target(conf->auto_log_target ? PA_LOG_STDERR : conf->log_target, NULL); - - if (conf->high_priority && conf->cmd == PA_CMD_DAEMON) - pa_raise_priority(); - - pa_drop_caps(); - - if (suid_root) - pa_drop_root(); - - if (conf->dl_search_path) - lt_dlsetsearchpath(conf->dl_search_path); - - switch (conf->cmd) { - case PA_CMD_DUMP_MODULES: - pa_dump_modules(conf, argc-d, argv+d); - retval = 0; - goto finish; - - case PA_CMD_DUMP_CONF: { - s = pa_daemon_conf_dump(conf); - fputs(s, stdout); - pa_xfree(s); - retval = 0; - goto finish; - } - - case PA_CMD_HELP : - pa_cmdline_help(argv[0]); - retval = 0; - goto finish; - - case PA_CMD_VERSION : - printf(PACKAGE_NAME" "PACKAGE_VERSION"\n"); - retval = 0; - goto finish; - - case PA_CMD_CHECK: { - pid_t pid; - - if (pa_pid_file_check_running(&pid) < 0) { - pa_log_info(__FILE__": daemon not running\n"); - } else { - pa_log_info(__FILE__": daemon running as PID %u\n", pid); - retval = 0; - } - - goto finish; - - } - case PA_CMD_KILL: - - if (pa_pid_file_kill(SIGINT, NULL) < 0) - pa_log(__FILE__": failed to kill daemon.\n"); - else - retval = 0; - - goto finish; - - default: - assert(conf->cmd == PA_CMD_DAEMON); - } - - if (conf->daemonize) { - pid_t child; - int tty_fd; - - if (pa_stdio_acquire() < 0) { - pa_log(__FILE__": failed to acquire stdio.\n"); - goto finish; - } - -#ifdef HAVE_FORK - if (pipe(daemon_pipe) < 0) { - pa_log(__FILE__": failed to create pipe.\n"); - goto finish; - } - - if ((child = fork()) < 0) { - pa_log(__FILE__": fork() failed: %s\n", strerror(errno)); - goto finish; - } - - if (child != 0) { - /* Father */ - - close(daemon_pipe[1]); - daemon_pipe[1] = -1; - - if (pa_loop_read(daemon_pipe[0], &retval, sizeof(retval)) != sizeof(retval)) { - pa_log(__FILE__": read() failed: %s\n", strerror(errno)); - retval = 1; - } - - if (retval) - pa_log(__FILE__": daemon startup failed.\n"); - else - pa_log_info(__FILE__": daemon startup successful.\n"); - - goto finish; - } - - close(daemon_pipe[0]); - daemon_pipe[0] = -1; -#endif - - if (conf->auto_log_target) - pa_log_set_target(PA_LOG_SYSLOG, NULL); - -#ifdef HAVE_SETSID - setsid(); -#endif -#ifdef HAVE_SETPGID - setpgid(0,0); -#endif - -#ifndef OS_IS_WIN32 - close(0); - close(1); - close(2); - - open("/dev/null", O_RDONLY); - open("/dev/null", O_WRONLY); - open("/dev/null", O_WRONLY); -#else - FreeConsole(); -#endif - -#ifdef SIGTTOU - signal(SIGTTOU, SIG_IGN); -#endif -#ifdef SIGTTIN - signal(SIGTTIN, SIG_IGN); -#endif -#ifdef SIGTSTP - signal(SIGTSTP, SIG_IGN); -#endif - -#ifdef TIOCNOTTY - if ((tty_fd = open("/dev/tty", O_RDWR)) >= 0) { - ioctl(tty_fd, TIOCNOTTY, (char*) 0); - close(tty_fd); - } -#endif - } - - chdir("/"); - - if (conf->use_pid_file) { - if (pa_pid_file_create() < 0) { - pa_log(__FILE__": pa_pid_file_create() failed.\n"); -#ifdef HAVE_FORK - if (conf->daemonize) - pa_loop_write(daemon_pipe[1], &retval, sizeof(retval)); -#endif - goto finish; - } - - valid_pid_file = 1; - } - - mainloop = pa_mainloop_new(); - assert(mainloop); - - c = pa_core_new(pa_mainloop_get_api(mainloop)); - assert(c); - - r = pa_signal_init(pa_mainloop_get_api(mainloop)); - assert(r == 0); - pa_signal_new(SIGINT, signal_callback, c); - pa_signal_new(SIGTERM, signal_callback, c); -#ifdef SIGPIPE - signal(SIGPIPE, SIG_IGN); -#endif - -#ifdef OS_IS_WIN32 - defer = pa_mainloop_get_api(mainloop)->defer_new(pa_mainloop_get_api(mainloop), message_cb, NULL); - assert(defer); -#endif - - if (conf->daemonize) - c->running_as_daemon = 1; - -#ifdef SIGUSR1 - pa_signal_new(SIGUSR1, signal_callback, c); -#endif -#ifdef SIGUSR2 - pa_signal_new(SIGUSR2, signal_callback, c); -#endif -#ifdef SIGHUP - pa_signal_new(SIGHUP, signal_callback, c); -#endif - - oil_init(); - - r = pa_cpu_limit_init(pa_mainloop_get_api(mainloop)); - assert(r == 0); - - buf = pa_strbuf_new(); - assert(buf); - if (conf->default_script_file) - r = pa_cli_command_execute_file(c, conf->default_script_file, buf, &conf->fail); - - if (r >= 0) - r = pa_cli_command_execute(c, conf->script_commands, buf, &conf->fail); - pa_log(s = pa_strbuf_tostring_free(buf)); - pa_xfree(s); - - if (r < 0 && conf->fail) { - pa_log(__FILE__": failed to initialize daemon.\n"); -#ifdef HAVE_FORK - if (conf->daemonize) - pa_loop_write(daemon_pipe[1], &retval, sizeof(retval)); -#endif - } else if (!c->modules || pa_idxset_size(c->modules) == 0) { - pa_log(__FILE__": daemon startup without any loaded modules, refusing to work.\n"); -#ifdef HAVE_FORK - if (conf->daemonize) - pa_loop_write(daemon_pipe[1], &retval, sizeof(retval)); -#endif - } else { - - retval = 0; -#ifdef HAVE_FORK - if (conf->daemonize) - pa_loop_write(daemon_pipe[1], &retval, sizeof(retval)); -#endif - - c->disallow_module_loading = conf->disallow_module_loading; - c->exit_idle_time = conf->exit_idle_time; - c->module_idle_time = conf->module_idle_time; - c->scache_idle_time = conf->scache_idle_time; - c->resample_method = conf->resample_method; - - if (c->default_sink_name && - pa_namereg_get(c, c->default_sink_name, PA_NAMEREG_SINK, 1) == NULL) { - pa_log_error("%s : Fatal error. Default sink name (%s) does not exist in name register.\n", __FILE__, c->default_sink_name); - retval = 1; - } else { - pa_log_info(__FILE__": Daemon startup complete.\n"); - if (pa_mainloop_run(mainloop, &retval) < 0) - retval = 1; - pa_log_info(__FILE__": Daemon shutdown initiated.\n"); - } - } - -#ifdef OS_IS_WIN32 - pa_mainloop_get_api(mainloop)->defer_free(defer); -#endif - - pa_core_free(c); - - pa_cpu_limit_done(); - pa_signal_done(); - pa_mainloop_free(mainloop); - - pa_log_info(__FILE__": Daemon terminated.\n"); - -finish: - - if (conf) - pa_daemon_conf_free(conf); - - if (valid_pid_file) - pa_pid_file_remove(); - - close_pipe(daemon_pipe); - -#ifdef OS_IS_WIN32 - WSACleanup(); -#endif - - lt_dlexit(); - - return retval; -} |