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-rw-r--r--polyp/main.c182
1 files changed, 182 insertions, 0 deletions
diff --git a/polyp/main.c b/polyp/main.c
new file mode 100644
index 00000000..d9967cef
--- /dev/null
+++ b/polyp/main.c
@@ -0,0 +1,182 @@
+/* $Id$ */
+
+/***
+ This file is part of polypaudio.
+
+ polypaudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU 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 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 "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"
+
+static struct pa_mainloop *mainloop;
+
+static void exit_signal_callback(void *id, int sig, void *userdata) {
+ struct pa_mainloop_api* m = pa_mainloop_get_api(mainloop);
+ m->quit(m, 1);
+ fprintf(stderr, __FILE__": got signal.\n");
+}
+
+static void aux_signal_callback(void *id, int sig, void *userdata) {
+ struct pa_core *c = userdata;
+ assert(c);
+ pa_module_load(c, sig == SIGUSR1 ? "module-cli" : "module-cli-protocol-unix", NULL);
+}
+
+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[]) {
+ struct pa_core *c;
+ struct pa_cmdline *cmdline = NULL;
+ struct pa_strbuf *buf = NULL;
+ char *s;
+ int r, retval = 1;
+ int daemon_pipe[2] = { -1, -1 };
+
+ if (!(cmdline = pa_cmdline_parse(argc, argv))) {
+ fprintf(stderr, __FILE__": failed to parse command line.\n");
+ goto finish;
+ }
+
+ if (cmdline->help) {
+ pa_cmdline_help(argv[0]);
+ retval = 0;
+ goto finish;
+ }
+
+ if (cmdline->daemonize) {
+ pid_t child;
+
+ if (pa_stdio_acquire() < 0) {
+ fprintf(stderr, __FILE__": failed to acquire stdio.\n");
+ goto finish;
+ }
+
+ if (pipe(daemon_pipe) < 0) {
+ fprintf(stderr, __FILE__": failed to create pipe.\n");
+ goto finish;
+ }
+
+ if ((child = fork()) < 0) {
+ fprintf(stderr, __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)) {
+ fprintf(stderr, __FILE__": read() failed: %s\n", strerror(errno));
+ retval = 1;
+ }
+
+ goto finish;
+ }
+
+ close(daemon_pipe[0]);
+ daemon_pipe[0] = -1;
+
+ setsid();
+ setpgrp();
+ }
+
+ r = lt_dlinit();
+ assert(r == 0);
+
+ mainloop = pa_mainloop_new();
+ assert(mainloop);
+
+ r = pa_signal_init(pa_mainloop_get_api(mainloop));
+ assert(r == 0);
+ pa_signal_register(SIGINT, exit_signal_callback, NULL);
+ signal(SIGPIPE, SIG_IGN);
+
+ c = pa_core_new(pa_mainloop_get_api(mainloop));
+ assert(c);
+
+ pa_signal_register(SIGUSR1, aux_signal_callback, c);
+ pa_signal_register(SIGUSR2, aux_signal_callback, c);
+
+ buf = pa_strbuf_new();
+ assert(buf);
+ r = pa_cli_command_execute(c, cmdline->cli_commands, buf, &cmdline->fail, &cmdline->verbose);
+ fprintf(stderr, s = pa_strbuf_tostring_free(buf));
+ free(s);
+
+ if (r < 0 && cmdline->fail) {
+ fprintf(stderr, __FILE__": failed to initialize daemon.\n");
+ if (cmdline->daemonize)
+ pa_loop_write(daemon_pipe[1], &retval, sizeof(retval));
+ } else if (!c->modules || pa_idxset_ncontents(c->modules) == 0) {
+ fprintf(stderr, __FILE__": daemon startup without any loaded modules, refusing to work.\n");
+ if (cmdline->daemonize)
+ pa_loop_write(daemon_pipe[1], &retval, sizeof(retval));
+ } else {
+ retval = 0;
+ if (cmdline->daemonize)
+ pa_loop_write(daemon_pipe[1], &retval, sizeof(retval));
+ fprintf(stderr, __FILE__": mainloop entry.\n");
+ if (pa_mainloop_run(mainloop, &retval) < 0)
+ retval = 1;
+ fprintf(stderr, __FILE__": mainloop exit.\n");
+ }
+
+ pa_core_free(c);
+
+ pa_signal_done();
+ pa_mainloop_free(mainloop);
+
+ lt_dlexit();
+
+finish:
+
+ if (cmdline)
+ pa_cmdline_free(cmdline);
+
+ close_pipe(daemon_pipe);
+
+ return retval;
+}