/** define the array containing all supported audio formats */
DEFINE_AUDIO_FORMAT_ARRAY;
-/**
- * the possible modes of operation
- *
- * - off: disconnect from para_server
- * - on: receive status information from para_server and play the audio stream
- * - sb: only receive status information but not the audio stream
-*/
-enum {AUDIOD_OFF, AUDIOD_ON, AUDIOD_STANDBY};
-
/** defines how to handle one supported audio format */
struct audio_format_info {
/** pointer to the receiver for this audio format */
struct timeval restart_barrier;
};
-/**
- * describes one instance of a receiver-filter-writer chain
- *
- * \sa receier_node, receiver, filter, filter_node, filter_chain, writer,
- * writer_node, writer_node_group.
- */
-struct slot_info {
- /** number of the audio format in this slot */
- int format;
- /** writer start time */
- struct timeval wstime;
- /** the receiver info associated with this slot */
- struct receiver_node *receiver_node;
- /** the active filter chain */
- struct filter_chain *fc;
- /** the active writer node group */
- struct writer_node_group *wng;
-};
-static struct slot_info slot[MAX_STREAM_SLOTS];
-
-extern const char *status_item_list[NUM_STAT_ITEMS];
-
-static struct gengetopt_args_info conf;
-static struct timeval server_stream_start, sa_time_diff;
-static int playing, current_decoder = -1,
- audiod_status = AUDIOD_ON, offset_seconds, length_seconds,
- sa_time_diff_sign = 1;
-static char *af_status, /* the audio format announced in server status */
- *socket_name, *hostname;
-static char *stat_item_values[NUM_STAT_ITEMS];
+struct slot_info slot[MAX_STREAM_SLOTS];
+
+
+int audiod_status = AUDIOD_ON;
+
+struct gengetopt_args_info conf;
+static char *socket_name;
static FILE *logfile;
-static const struct timeval restart_delay = {0, 200 * 1000};
static struct audio_format_info afi[NUM_AUDIO_FORMATS];
-static struct timeval *now;
static struct signal_task signal_task_struct, *sig_task = &signal_task_struct;
+static struct status_task status_task_struct;
+struct status_task *stat_task = &status_task_struct;
+
/**
* the task for handling audiod commands
*
struct task task;
};
-/**
- * the task for audiod's child (para_client stat)
- *
- * \sa struct task, struct sched
- */
-struct status_task {
- /** the output of the stat command is read from this fd */
- int fd;
- /** stat data is stored here */
- char buf[STRINGSIZE];
- /** number of bytes loaded in \a buf */
- unsigned loaded;
- /** the associated task structure */
- struct task task;
- /** do not restart client command until this time */
- struct timeval restart_barrier;
-};
-static struct status_task status_task_struct, *stat_task = &status_task_struct;
-
struct signal_task {
int fd;
int signum;
struct task task;
};
-/** defines one command of para_audiod */
-struct audiod_command {
- /** the name of the command */
- const char *name;
- /** pointer to the function that handles the command */
- int (*handler)(int, int, char**);
- /**
- * if the command prefers to handle the full line (rather than the usual
- * argv[] array), it stores a pointer to the corresponding line handling
- * function here. In this case, the above \a handler pointer must be NULL.
- */
- int (*line_handler)(int, char*);
- /** one-line description of the command */
- const char *description;
- /** summary of the command line options */
- const char *synopsis;
- /** the long help text */
- const char *help;
-};
-static int com_grab(int, char *);
-static int com_cycle(int, int, char **);
-static int com_help(int, int, char **);
-static int com_kill(int, int, char **);
-static int com_off(int, int, char **);
-static int com_on(int, int, char **);
-static int com_sb(int, int, char **);
-static int com_stat(int, int, char **);
-static int com_tasks(int, int, char **);
-static int com_term(int, int, char **);
-static struct audiod_command cmds[] = {
-{
-.name = "cycle",
-.handler = com_cycle,
-.description = "switch to next mode",
-.synopsis = "cycle",
-.help =
-
-"on -> standby -> off -> on\n"
-
-},
-{
-.name = "grab",
-.line_handler = com_grab,
-.description = "grab the audio stream",
-.synopsis = "-- grab [grab_options]",
-.help =
-
-"grab ('splice') the audio stream at any position in the filter \n"
-"chain and send that data back to the client. Try\n"
-"\t para_audioc -- grab -h\n"
-"for the list of available options.\n"
-},
-
-{
-.name = "help",
-.handler = com_help,
-.description = "display command list or help for given command",
-.synopsis = "help [command]",
-.help =
-
-"When I was younger, so much younger than today, I never needed\n"
-"anybody's help in any way. But now these days are gone, I'm not so\n"
-"self assured. Now I find I've changed my mind and opened up the doors.\n"
-"\n"
-" -- Beatles: Help\n"
-
-},
-{
-.name = "kill",
-.handler = com_kill,
-.description = "kill an active audiod task",
-.synopsis = "kill task_id [task_id ...]",
-.help =
-
-"call sched_unregister() and the event_handler of the given task(s)\n"
-
-},
-{
-.name = "off",
-.handler = com_off,
-.description = "deactivate para_audiod",
-.synopsis = "off",
-.help =
-
-"Close connection to para_server and stop all decoders.\n"
-
-},
-{
-.name = "on",
-.handler = com_on,
-.description = "activate para_audiod",
-.synopsis = "on",
-.help =
-
-"Establish connection to para_server, retrieve para_server's current\n"
-"status. If playing, start corresponding decoder. Otherwise stop\n"
-"all decoders.\n"
-
-},
-{
-.name = "sb",
-.handler = com_sb,
-.description = "enter standby mode",
-.synopsis = "sb",
-.help =
-
-"Stop all decoders but leave connection to para_server open.\n"
-
-},
-{
-.name = "stat",
-.handler = com_stat,
-.description = "print status information",
-.synopsis = "stat [item1 ...]",
-.help =
-
-"Dump given status items (all if none given) to stdout.\n"
-
-},
-{
-.name = "tasks",
-.handler = com_tasks,
-.description = "list current tasks",
-.synopsis = "tasks",
-.help =
-
-"print the list of task ids together with the status of each task\n"
-
-},
-{
-.name = "term",
-.handler = com_term,
-.description = "terminate audiod",
-.synopsis = "term",
-.help =
-
-"Stop all decoders, shut down connection to para_server and exit.\n"
-
-},
-{
-.name = NULL,
-}
-};
-
-/** iterate over all slots */
-#define FOR_EACH_SLOT(_slot) for (_slot = 0; _slot < MAX_STREAM_SLOTS; _slot++)
/** iterate over all supported audio formats */
#define FOR_EACH_AUDIO_FORMAT(af) for (af = 0; af < NUM_AUDIO_FORMATS; af++)
-/** iterate over the array of all audiod commands */
-#define FOR_EACH_COMMAND(c) for (c = 0; cmds[c].name; c++)
/**
* get the audio format number
struct tm *tm;
time_t t1;
char str[MAXLINE] = "";
+ static char *hostname;
if (ll < conf.loglevel_arg)
return;
+ if (!hostname)
+ hostname = para_hostname();
outfd = logfile? logfile : stderr;
time(&t1);
tm = localtime(&t1);
va_end(argp);
}
-static int client_write(int fd, const char *buf)
-{
- size_t len = strlen(buf);
- return write(fd, buf, len) != len? -E_CLIENT_WRITE: 1;
-}
-
-static char *get_time_string(struct timeval *newest_stime)
-{
- struct timeval diff, adj_stream_start, tmp;
- int total = 0, use_server_time = 1;
-
- if (!playing) {
- if (length_seconds)
- return NULL;
- return make_message("%s:\n", status_item_list[SI_PLAY_TIME]);
- }
- if (audiod_status == AUDIOD_OFF)
- goto out;
- if (sa_time_diff_sign > 0)
- tv_diff(&server_stream_start, &sa_time_diff,
- &adj_stream_start);
- else
- tv_add(&server_stream_start, &sa_time_diff,
- &adj_stream_start);
- tmp = adj_stream_start;
- if (newest_stime && audiod_status == AUDIOD_ON) {
- tv_diff(newest_stime, &adj_stream_start, &diff);
- if (tv2ms(&diff) < 5000) {
- tmp = *newest_stime;
- use_server_time = 0;
- }
- }
- tv_diff(now, &tmp, &diff);
- total = diff.tv_sec + offset_seconds;
- if (total > length_seconds)
- total = length_seconds;
- if (total < 0)
- total = 0;
-out:
- return make_message(
- "%s:%s%d:%02d [%d:%02d] (%d%%/%d:%02d)\n",
- status_item_list[SI_PLAY_TIME],
- use_server_time? "~" : "",
- total / 60,
- total % 60,
- (length_seconds - total) / 60,
- (length_seconds - total) % 60,
- length_seconds? (total * 100 + length_seconds / 2) /
- length_seconds : 0,
- length_seconds / 60,
- length_seconds % 60
- );
-}
-
-__malloc static char *audiod_status_string(void)
-{
- const char *status = (audiod_status == AUDIOD_ON)?
- "on" : (audiod_status == AUDIOD_OFF)? "off": "sb";
- return make_message("%s:%s\n", status_item_list[SI_AUDIOD_STATUS], status);
-}
-
-static struct timeval *wstime(void)
-{
- int i;
- struct timeval *max = NULL;
- FOR_EACH_SLOT(i) {
- struct slot_info *s = &slot[i];
- if (!s->wng)
- continue;
- if (max && tv_diff(&s->wstime, max, NULL) <= 0)
- continue;
- max = &s->wstime;
- }
- return max;
-}
-__malloc static char *decoder_flags(void)
-{
- int i;
- char decoder_flags[MAX_STREAM_SLOTS + 1];
-
- FOR_EACH_SLOT(i) {
- struct slot_info *s = &slot[i];
- char flag = '0';
- if (s->receiver_node)
- flag += 1;
- if (s->wng)
- flag += 2;
- decoder_flags[i] = flag;
- }
- decoder_flags[MAX_STREAM_SLOTS] = '\0';
- return make_message("%s:%s\n", status_item_list[SI_DECODER_FLAGS],
- decoder_flags);
-}
-
static char *configfile_exists(void)
{
static char *config_file;
// signal(SIGPIPE, SIG_IGN);
}
-static void audiod_status_dump(void)
-{
- static char *p_ts, *p_us, *p_as, *p_df;
- struct timeval *t = wstime();
- char *us, *tmp = get_time_string(t);
-
- if (tmp && (!p_ts || strcmp(tmp, p_ts)))
- stat_client_write(tmp, SI_PLAY_TIME);
- free(p_ts);
- p_ts = tmp;
-
- us = uptime_str();
- tmp = make_message("%s:%s\n", status_item_list[SI_AUDIOD_UPTIME], us);
- free(us);
- if (!p_us || strcmp(p_us, tmp))
- stat_client_write(tmp, SI_AUDIOD_UPTIME);
- free(p_us);
- p_us = tmp;
-
- tmp = audiod_status_string();
- if (!p_as || strcmp(p_as, tmp))
- stat_client_write(tmp, SI_AUDIOD_STATUS);
- free(p_as);
- p_as = tmp;
-
- tmp = decoder_flags();
- if (!p_df || strcmp(p_df, tmp))
- stat_client_write(tmp, SI_DECODER_FLAGS);
- free(p_df);
- p_df = tmp;
-}
-
static void clear_slot(int slot_num)
{
struct slot_info *s = &slot[slot_num];
{
struct slot_info *s = &slot[slot_num];
struct audio_format_info *a;
+ const struct timeval restart_delay = {0, 200 * 1000};
if (s->format < 0 || !s->receiver_node)
return;
stat_task->fd = -1;
// kill_all_decoders();
for (i = 0; i < NUM_STAT_ITEMS; i++) {
- free(stat_item_values[i]);
- stat_item_values[i] = NULL;
+ free(stat_task->stat_item_values[i]);
+ stat_task->stat_item_values[i] = NULL;
}
dump_empty_status();
- length_seconds = 0;
- offset_seconds = 0;
+ stat_task->length_seconds = 0;
+ stat_task->offset_seconds = 0;
audiod_status_dump();
- playing = 0;
- stat_item_values[SI_STATUS_BAR] = make_message(
+ stat_task->playing = 0;
+ stat_task->stat_item_values[SI_STATUS_BAR] = make_message(
"%s:no connection to para_server\n",
status_item_list[SI_STATUS_BAR]);
- stat_client_write(stat_item_values[SI_STATUS_BAR], SI_STATUS_BAR);
+ stat_client_write(stat_task->stat_item_values[SI_STATUS_BAR], SI_STATUS_BAR);
}
-static void __noreturn clean_exit(int status, const char *msg)
+void __noreturn clean_exit(int status, const char *msg)
{
PARA_EMERG_LOG("%s\n", msg);
if (socket_name)
register_task(&s->fc->task);
}
-static struct filter_node *find_filter_node(int slot_num, int format, int filternum)
-{
- struct filter_node *fn;
- int i, j;
-
- FOR_EACH_SLOT(i) {
- struct slot_info *s = &slot[i];
- if (s->format < 0 || !s->fc)
- continue;
- if (slot_num >= 0 && slot_num != i)
- continue;
- if (format >= 0 && s->format != format)
- continue;
- if (num_filters(i) < filternum)
- continue;
- /* success */
- j = 1;
- list_for_each_entry(fn, &s->fc->filters, node)
- if (filternum <= 0 || j++ == filternum)
- break;
- return fn;
- }
- return NULL;
-}
-
static void wng_event_handler(struct task *t)
{
struct writer_node_group *wng = t->private_data;
for (i = 0; i < a->num_writers; i++) {
s->wng->writer_nodes[i].conf = a->writer_conf[i];
s->wng->writer_nodes[i].writer = a->writers[i];
- sprintf(s->wng->writer_nodes[i].task.status, "writer_node");
}
ret = wng_open(s->wng);
if (ret < 0) {
return;
}
s->wstime = *now;
- current_decoder = slot_num;
activate_inactive_grab_clients(slot_num, s->format, &s->fc->filters);
}
register_task(&rn->task);
}
-static int is_frozen(int format)
-{
- struct audio_format_info *a = &afi[format];
-
- return (tv_diff(now, &a->restart_barrier, NULL) > 0)? 0 : 1;
-}
-
-static void open_current_receiver(struct sched *s)
+static int open_current_receiver(struct sched *s)
{
int i;
+ struct timeval diff;
- if (!af_status)
- return;
- i = get_audio_format_num(af_status);
+ if (!stat_task->af_status)
+ return 0;
+ i = get_audio_format_num(stat_task->af_status);
if (i < 0)
- return;
- if (decoder_running(i) || is_frozen(i))
- return;
+ return 0;
+ if (decoder_running(i))
+ return 0;
+ if (tv_diff(now, &afi[i].restart_barrier, &diff) < 0) {
+ s->timeout = diff;
+ return 0;
+ }
open_receiver(i);
- /*
- * the receiver didn't get a chance to put his fd to the fd set.
- * Make the upcoming select() return immediately to avoid a long
- * timeout.
- */
- s->timeout.tv_sec = 0;
- s->timeout.tv_usec = 1;
+ return 1;
}
static void compute_time_diff(const struct timeval *status_time)
{
struct timeval tmp, diff;
static int count;
- int sign;
+ int sign, sa_time_diff_sign = stat_task->sa_time_diff_sign;
const struct timeval max_deviation = {0, 500 * 1000};
const int time_smooth = 5;
// sign, sa_time_diff_sign);
if (!count) {
sa_time_diff_sign = sign;
- sa_time_diff = diff;
+ stat_task->sa_time_diff = diff;
count++;
return;
}
if (count > 5) {
- int s = tv_diff(&diff, &sa_time_diff, &tmp);
+ int s = tv_diff(&diff, &stat_task->sa_time_diff, &tmp);
if (tv_diff(&max_deviation, &tmp, NULL) < 0)
PARA_WARNING_LOG("time diff jump: %lims\n",
s * tv2ms(&tmp));
}
count++;
sa_time_diff_sign = tv_convex_combination(
- sa_time_diff_sign * time_smooth, &sa_time_diff,
+ sa_time_diff_sign * time_smooth, &stat_task->sa_time_diff,
count > 10? sign : sign * time_smooth, &diff,
&tmp);
- sa_time_diff = tmp;
+ stat_task->sa_time_diff = tmp;
PARA_DEBUG_LOG("time diff (cur/avg): %s%lums/%s%lums\n",
sign > 0? "+" : "-",
tv2ms(&diff),
sa_time_diff_sign ? "+" : "-",
- tv2ms(&sa_time_diff)
+ tv2ms(&stat_task->sa_time_diff)
);
}
tmp = make_message("%s\n", line);
stat_client_write(tmp, itemnum);
free(tmp);
- free(stat_item_values[itemnum]);
- stat_item_values[itemnum] = para_strdup(line);
+ free(stat_task->stat_item_values[itemnum]);
+ stat_task->stat_item_values[itemnum] = para_strdup(line);
ilen = strlen(status_item_list[itemnum]);
switch (itemnum) {
case SI_STATUS:
- playing = strstr(line, "playing")? 1 : 0;
+ stat_task->playing = strstr(line, "playing")? 1 : 0;
break;
case SI_FORMAT:
- free(af_status);
- af_status = para_strdup(line + ilen + 1);
+ free(stat_task->af_status);
+ stat_task->af_status = para_strdup(line + ilen + 1);
break;
case SI_OFFSET:
- offset_seconds = atoi(line + ilen + 1);
+ stat_task->offset_seconds = atoi(line + ilen + 1);
break;
case SI_LENGTH:
- length_seconds = atoi(line + ilen + 1);
+ stat_task->length_seconds = atoi(line + ilen + 1);
break;
case SI_STREAM_START:
if (sscanf(line + ilen + 1, "%lu.%lu", &sec, &usec) == 2) {
- server_stream_start.tv_sec = sec;
- server_stream_start.tv_usec = usec;
+ stat_task->server_stream_start.tv_sec = sec;
+ stat_task->server_stream_start.tv_usec = usec;
}
break;
case SI_CURRENT_TIME:
clear_slot(slot_num);
}
+/*
+ * Check if any receivers/filters/writers need to be started and do so if
+ * neccessary. Since the pre_select function didn't have a chance yet to put
+ * file descriptors into the fd sets given by s, make the upcoming select()
+ * return immediately to avoid a long timeout in case we started something.
+ */
static void audiod_pre_select(struct sched *s, __a_unused struct task *t)
{
int i;
+ struct timeval min_delay = {0, 1};
t->ret = 1;
- now = &s->now;
- if (audiod_status != AUDIOD_ON || !playing)
- kill_all_decoders();
- else if (playing)
- open_current_receiver(s);
+ if (audiod_status != AUDIOD_ON || !stat_task->playing)
+ return kill_all_decoders();
+ if (open_current_receiver(s))
+ s->timeout = min_delay;
FOR_EACH_SLOT(i) {
- struct slot_info *s = &slot[i];
+ struct slot_info *sl = &slot[i];
struct audio_format_info *a;
- if (s->format < 0)
+ if (sl->format < 0)
continue;
- a = &afi[s->format];
- if (!s->receiver_node)
+ a = &afi[sl->format];
+ if (!sl->receiver_node)
continue;
if (!a->num_filters) {
- if (s->receiver_node->loaded && !s->wng)
+ if (sl->receiver_node->loaded && !sl->wng) {
open_writers(i);
+ s->timeout = min_delay;
+ }
continue;
}
- if (s->receiver_node->loaded && !s->fc) {
+ if (sl->receiver_node->loaded && !sl->fc) {
open_filters(i);
+ s->timeout = min_delay;
continue;
}
- if (s->fc && *s->fc->out_loaded && !s->wng)
+ if (sl->fc && *sl->fc->out_loaded && !sl->wng) {
open_writers(i);
+ s->timeout = min_delay;
+ }
}
}
-static void audiod_post_select(struct sched *s, __a_unused struct task *t)
+static void audiod_post_select(__a_unused struct sched *s,
+ __a_unused struct task *t)
{
int i;
/* save away the current time for other users */
- now = &s->now;
t->ret = 1;
FOR_EACH_SLOT(i)
try_to_close_slot(i);
return 1;
}
-static int dump_commands(int fd)
-{
- char *buf = para_strdup(""), *tmp = NULL;
- int i;
- ssize_t ret;
-
- FOR_EACH_COMMAND(i) {
- tmp = make_message("%s%s\t%s\n", buf, cmds[i].name,
- cmds[i].description);
- free(buf);
- buf = tmp;
- }
- ret = client_write(fd, buf);
- free(buf);
- return ret;
-}
-
-/*
- * command handlers don't close their fd on errors (ret < 0) so that
- * its caller can send an error message. Otherwise (ret >= 0) it's up
- * to each individual command to close the fd if necessary.
- */
-
-static int com_help(int fd, int argc, char **argv)
-{
- int i, ret;
- char *buf;
- const char *dflt = "No such command. Available commands:\n";
-
- if (argc < 2) {
- ret = dump_commands(fd);
- goto out;
- }
- FOR_EACH_COMMAND(i) {
- if (strcmp(cmds[i].name, argv[1]))
- continue;
- buf = make_message(
- "NAME\n\t%s -- %s\n"
- "SYNOPSIS\n\tpara_audioc %s\n"
- "DESCRIPTION\n%s\n",
- argv[1],
- cmds[i].description,
- cmds[i].synopsis,
- cmds[i].help
- );
- ret = client_write(fd, buf);
- free(buf);
- goto out;
- }
- ret = client_write(fd, dflt);
- if (ret > 0)
- ret = dump_commands(fd);
-out:
- if (ret >= 0)
- close(fd);
- return ret;
-}
-
-static int com_tasks(int fd, __a_unused int argc, __a_unused char **argv)
-{
- char *tl = get_task_list();
- int ret = 1;
- if (tl)
- ret = client_write(fd, tl);
- free(tl);
- if (ret > 0)
- close(fd);
- return ret;
-}
-
-static int com_kill(int fd, int argc, char **argv)
-{
- int i, ret = 1;
- if (argc < 2)
- return -E_AUDIOD_SYNTAX;
- for (i = 1; i < argc; i++) {
- ret = kill_task(argv[i]);
- if (ret < 0)
- break;
- }
- if (ret > 0)
- close(fd);
- return ret;
-}
-
-static int com_stat(int fd, __a_unused int argc, __a_unused char **argv)
-{
- int i, ret;
- char *buf = NULL;
- long unsigned mask = ~0LU;
-
- if (argc > 1) {
- mask = 0;
- for (i = 1; i < argc; i++) {
- ret = stat_item_valid(argv[i]);
- if (ret < 0)
- return ret;
- mask |= (1 << ret);
- }
- }
- PARA_INFO_LOG("mask: 0x%lx\n", mask);
- if (mask & (1 << SI_PLAY_TIME)) {
- struct timeval *t = wstime();
- char *ts = get_time_string(t);
- if (ts) {
- ret = client_write(fd, ts);
- if (ret < 0)
- goto out;
- free(ts);
- }
- }
- if (mask & (1 << SI_AUDIOD_UPTIME)) {
- char *tmp, *us = uptime_str();
- tmp = make_message("%s:%s\n",
- status_item_list[SI_AUDIOD_UPTIME], us);
- free(us);
- ret = client_write(fd, tmp);
- if (ret < 0)
- goto out;
- free(tmp);
- }
- if (mask & (1 << SI_AUDIOD_STATUS)) {
- char *s = audiod_status_string();
- ret = client_write(fd, s);
- if (ret < 0)
- goto out;
- free(s);
- }
- if (mask & (1 << SI_DECODER_FLAGS)) {
- char *df =decoder_flags();
- ret = client_write(fd, df);
- if (ret < 0)
- goto out;
- free(df);
- }
-
- for (i = 0; i < NUM_STAT_ITEMS; i++) {
- char *tmp, *v;
- if (!((1 << i) & mask))
- continue;
- v = stat_item_values[i];
- tmp = make_message("%s%s%s", buf? buf: "",
- v? v : "", v? "\n" : "");
- free(buf);
- buf = tmp;
- }
- ret = client_write(fd, buf);
-out:
- if (ret > 0)
- ret = stat_client_add(fd, mask);
- free(buf);
- return ret;
-}
-
-static int com_grab(int fd, char *cmdline)
-{
- struct grab_client *gc;
- struct filter_node *fn;
- int i, err;
- char *msg;
-
- gc = grab_client_new(fd, cmdline, &err);
- if (!gc)
- goto err_out;
- fn = find_filter_node(gc->conf->slot_arg, gc->audio_format_num, gc->conf->filter_num_arg);
- if (fn)
- activate_grab_client(gc, fn);
- return 1;
-err_out:
- if (err != -E_GC_HELP_GIVEN && err != -E_GC_VERSION_GIVEN)
- return err;
- if (err == -E_GC_HELP_GIVEN) {
- msg = make_message("%s\n\n", grab_client_args_info_usage);
- for (i = 0; grab_client_args_info_help[i]; i++) {
- char *tmp = make_message("%s%s\n", msg,
- grab_client_args_info_help[i]);
- free(msg);
- msg = tmp;
- }
- } else
- msg = make_message("%s %s\n",
- GRAB_CLIENT_CMDLINE_PARSER_PACKAGE,
- GRAB_CLIENT_CMDLINE_PARSER_VERSION);
- err = client_write(fd, msg);
- free(msg);
- if (err < 0)
- return err;
- close(fd);
- return 1;
-}
-
-static int __noreturn com_term(int fd, __a_unused int argc, __a_unused char **argv)
-{
- close(fd);
- clean_exit(EXIT_SUCCESS, "terminating on user request");
-}
-
-static int com_on(int fd, __a_unused int argc, __a_unused char **argv)
-{
- audiod_status = AUDIOD_ON;
- close(fd);
- return 1;
-}
-
-static int com_off(int fd, __a_unused int argc, __a_unused char **argv)
-{
- audiod_status = AUDIOD_OFF;
- close(fd);
- return 1;
-}
-
-static int com_sb(int fd, __a_unused int argc, __a_unused char **argv)
-{
- audiod_status = AUDIOD_STANDBY;
- close(fd);
- return 1;
-}
-
-static int com_cycle(int fd, int argc, char **argv)
-{
- switch (audiod_status) {
- case AUDIOD_ON:
- return com_sb(fd, argc, argv);
- break;
- case AUDIOD_OFF:
- return com_on(fd, argc, argv);
- break;
- case AUDIOD_STANDBY:
- return com_off(fd, argc, argv);
- break;
- }
- close(fd);
- return 1;
-}
-
-static int check_perms(uid_t uid)
-{
- int i;
-
- if (!conf.user_allow_given)
- return 1;
- for (i = 0; i < conf.user_allow_given; i++)
- if (uid == conf.user_allow_arg[i])
- return 1;
- return -E_UCRED_PERM;
-}
-
-static int handle_connect(int accept_fd)
-{
- int i, argc, ret, clifd = -1;
- char *cmd = NULL, *p, *buf = para_calloc(MAXLINE), **argv = NULL;
- struct sockaddr_un unix_addr;
-
- ret = para_accept(accept_fd, &unix_addr, sizeof(struct sockaddr_un));
- if (ret < 0)
- goto out;
- clifd = ret;
- ret = recv_cred_buffer(clifd, buf, MAXLINE - 1);
- if (ret < 0)
- goto out;
- PARA_INFO_LOG("connection from user %i, buf: %s\n", ret, buf);
- ret = check_perms(ret);
- if (ret < 0)
- goto out;
- ret = -E_INVALID_AUDIOD_CMD;
- cmd = para_strdup(buf);
- p = strchr(cmd, '\n');
- if (!p)
- p = "";
- else {
- *p = '\0';
- p++;
- }
- for (i = 0; cmds[i].name; i++) {
- int j;
- if (strcmp(cmds[i].name, cmd))
- continue;
- if (cmds[i].handler) {
- argc = split_args(buf, &argv, "\n");
- PARA_INFO_LOG("argv[0]: %s, argc= %d\n", argv[0], argc);
- ret = cmds[i].handler(clifd, argc, argv);
- goto out;
- }
- for (j = 0; p[j]; j++)
- if (p[j] == '\n')
- p[j] = ' ';
- PARA_INFO_LOG("cmd: %s, options: %s\n", cmd, p);
- ret = cmds[i].line_handler(clifd, p);
- goto out;
- }
- ret = -E_INVALID_AUDIOD_CMD; /* cmd not found */
-out:
- free(cmd);
- free(buf);
- free(argv);
- if (clifd > 0 && ret < 0 && ret != -E_CLIENT_WRITE) {
- char *tmp = make_message("%s\n", PARA_STRERROR(-ret));
- client_write(clifd, tmp);
- free(tmp);
- close(clifd);
- }
- return ret;
-}
-
static int audiod_get_socket(void)
{
struct sockaddr_un unix_addr;
st->task.event_handler = status_event_handler;
st->task.private_data = st;
st->fd = -1;
+ st->sa_time_diff_sign = 1;
sprintf(st->task.status, "status task");
}
init_sched();
valid_fd_012();
- hostname = para_hostname();
cmdline_parser(argc, argv, &conf);
para_drop_privileges(conf.user_arg, conf.group_arg);
cf = configfile_exists();