void get_options (int *argc, char ***argv) {
gboolean verbose = FALSE;
GError *error = NULL;
GOptionContext* context = NULL;
GOptionEntry opts[] = {
{"logfile", 'l', 0, G_OPTION_ARG_FILENAME, &logfile, "Redirect logs to <file>", "<file>"},
{"pidfile", 'P', 0, G_OPTION_ARG_FILENAME, &pidfile, "Save xmms2d pid in <file>", "<file>"},
{"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose, "Make xmms2-launcher verbose", NULL},
{NULL}
};
int i, j;
/* get options */
context = g_option_context_new ("[--] [XMMSD_OPTION] ... - XMMS2 launcher");
g_option_context_set_ignore_unknown_options (context, TRUE);
g_option_context_add_main_entries (context, opts, NULL);
if (!g_option_context_parse (context, argc, argv, &error)) {
g_critical ("%s", error->message);
g_clear_error (&error);
}
g_option_context_free (context);
/* process verbose */
if (!verbose) {
g_log_set_handler (NULL, G_LOG_LEVEL_MESSAGE | G_LOG_LEVEL_INFO
| G_LOG_LEVEL_DEBUG,
empty_log_handler, NULL);
}
/* Remove first "--" from argv */
for (i = 0; i < *argc; i++) {
if (strcmp ((*argv)[i], "--") == 0) {
(*argc)--;
for (j = i; j < *argc; j++) {
(*argv)[j] = (*argv)[j+1];
}
break;
}
}
/* Prepare logfile */
if (!logfile) {
char cache[XMMS_PATH_MAX];
xmms_usercachedir_get (cache, XMMS_PATH_MAX);
logfile = g_build_filename (cache, "xmms2d.log", NULL);
if (!g_file_test (cache, G_FILE_TEST_IS_DIR)) {
g_mkdir_with_parents (cache, 0755);
}
}
}
configuration_t *
configuration_init (const gchar *filename)
{
configuration_t *config;
gchar *history_file;
GKeyFile *keyfile;
config = g_new0 (configuration_t, 1);
/* init hash */
config->values = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, g_free);
/* init aliases */
config->aliases = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, g_free);
keyfile = configuration_load (filename);
section_to_hash (keyfile, "main", config->values);
section_to_hash (keyfile, "alias", config->aliases);
g_key_file_free (keyfile);
/* load history */
history_file = configuration_get_string (config, "HISTORY_FILE");
if (!*history_file) {
gchar cfile[XMMS_PATH_MAX], *key, *value;
xmms_usercachedir_get (cfile, XMMS_PATH_MAX);
key = g_strdup ("HISTORY_FILE");
value = g_build_filename (cfile, "nyxmms2_history", NULL);
g_hash_table_replace (config->values, key, value);
}
return config;
}
int
main (int argc, char **argv)
{
pid_t pid;
int i, fd, max_fd;
int pipefd[2];
const gchar *logfile = NULL;
const gchar *pidfile = NULL;
GError *error = NULL;
GOptionContext* context = NULL;
GOptionEntry opts[] = {
{"logfile", 'l', 0, G_OPTION_ARG_FILENAME, &logfile, "Redirect logs to <file>", "<file>"},
{"pidfile", 'P', 0, G_OPTION_ARG_FILENAME, &pidfile, "Save xmms2d pid in <file>", "<file>"},
{NULL}
};
context = g_option_context_new ("- XMMS2 launcher");
g_option_context_set_ignore_unknown_options (context, TRUE);
g_option_context_add_main_entries (context, opts, NULL);
if (!g_option_context_parse (context, &argc, &argv, &error)) {
g_print ("xmms2-launcher: %s\n", error->message);
g_clear_error (&error);
}
g_option_context_free (context);
if (pipe (&pipefd[0]) == -1) {
perror ("pipe");
exit (1);
}
if (!logfile) {
char cache[PATH_MAX];
xmms_usercachedir_get (cache, PATH_MAX);
logfile = g_build_filename (cache, "xmms2d.log", NULL);
if (!g_file_test (cache, G_FILE_TEST_IS_DIR)) {
g_mkdir_with_parents (cache, 0755);
}
}
g_print ("Log output will be stored in %s\n", logfile);
pid = fork ();
if (pid) {
char t;
int res;
close (pipefd[1]);
for (;;) {
res = read (pipefd[0], &t, 1);
if (res != -1 || errno == EINTR)
break;
}
if (res == -1)
perror ("read");
if (res == 0) {
printf ("startup failed!\n");
exit (1);
}
printf("xmms2 started\n");
exit(0);
}
/* Change stdin/out/err */
fd = open ("/dev/null", O_RDONLY);
dup2 (fd, STDIN_FILENO);
fd = open (logfile, O_WRONLY|O_CREAT|O_APPEND, 0644);
write(fd, startup_msg, sizeof (startup_msg) - 1);
dup2 (fd, STDOUT_FILENO);
dup2 (fd, STDERR_FILENO);
/* Close all unused file descriptors */
max_fd = sysconf (_SC_OPEN_MAX);
for (i = 3; i <= max_fd; i++) {
if (pipefd[1] != i)
close (i);
}
/* make us process group leader */
setsid ();
/* fork again to reparent to init */
pid = fork();
if (pid && pidfile) {
FILE *pfile = NULL;
pfile = g_fopen (pidfile, "w");
if (pfile) {
g_fprintf (pfile, "%d", (int) pid);
}
}
if (!pid) {
char *args[32];
char buf[32];
int i;
args[0] = BINDIR "/xmms2d";
snprintf (buf, 32, "--status-fd=%d", pipefd[1]);
args[1] = buf;
for (i = 1; i < argc && i < 30; i++) {
args[i + 1] = argv[i];
}
args[i + 1] = NULL;
execvp (args[0], args);
exit (1);
}
exit (0);
}
