paraslash 0.7.3
[paraslash.git] / audiod.c
index 47bf2e27ed405d93a28073486bf5fa85c0f2b363..7c223995a9a29cec3c8e8ae5497c3be58655f63c 100644 (file)
--- a/audiod.c
+++ b/audiod.c
@@ -44,8 +44,6 @@ static struct lls_parse_result *lpr;
 #define OPT_GIVEN(_name) (lls_opt_given(OPT_RESULT(_name)))
 #define OPT_STRING_VAL(_name) (lls_string_val(0, OPT_RESULT(_name)))
 #define OPT_UINT32_VAL(_name) (lls_uint32_val(0, OPT_RESULT(_name)))
-#define ENUM_STRING_VAL(_name) (lls_enum_string_val(OPT_UINT32_VAL(_name), \
-       lls_opt(LSG_AUDIOD_PARA_AUDIOD_OPT_ ## _name, CMD_PTR)))
 
 __printf_2_3 void (*para_log)(int, const char*, ...) = daemon_log;
 /** define the array containing all supported audio formats */
@@ -123,7 +121,7 @@ enum vss_status_flags {
  * This is needed also in audiod_command.c (for the tasks command), so it can
  * not be made static.
  */
-struct sched sched = {.max_fileno = 0};
+struct sched sched = {.timeout = 0};
 
 /* The task for obtaining para_server's status (para_client stat). */
 struct status_task {
@@ -292,7 +290,7 @@ static int get_play_time_slot_num(void)
  *
  * \return A string that must be freed by the caller.
  */
-char *get_time_string(void)
+__malloc char *get_time_string(void)
 {
        int ret, seconds = 0, length = stat_task->length_seconds;
        struct timeval *tmp, sum, sss, /* server stream start */
@@ -389,11 +387,11 @@ static void parse_config_or_die(void)
                        para_strerror(-ret));
                exit(EXIT_FAILURE);
        }
-       daemon_set_loglevel(ENUM_STRING_VAL(LOGLEVEL));
+       daemon_set_loglevel(OPT_UINT32_VAL(LOGLEVEL));
        n = OPT_GIVEN(USER_ALLOW);
        if (n == 0)
                return;
-       uid_whitelist = para_malloc(n * sizeof(uid_t));
+       uid_whitelist = arr_alloc(n, sizeof(uid_t));
        for (i = 0; i < n; i++) {
                const char *arg = lls_string_val(i, OPT_RESULT(USER_ALLOW));
                int32_t val;
@@ -445,7 +443,8 @@ static void close_receiver(int slot_num)
        task_reap(&s->receiver_node->task);
        free(s->receiver_node);
        s->receiver_node = NULL;
-       stat_task->current_audio_format_num = -1;
+       if (audiod_status == AUDIOD_ON)
+               stat_task->current_audio_format_num = -1;
        tv_add(now, &(struct timeval)EMBRACE(0, 200 * 1000),
                &a->restart_barrier);
 }
@@ -479,6 +478,23 @@ static void close_writers(struct slot_info *s)
        s->wns = NULL;
 }
 
+static void notify_writers(int error)
+{
+       int i;
+
+       FOR_EACH_SLOT(i) {
+               struct slot_info *s = slot + i;
+               struct audio_format_info *a;
+               int j;
+
+               if (s->format < 0)
+                       continue;
+               a = afi + s->format;
+               for (j = 0; j < a->num_writers; j++)
+                       task_notify(s->wns[j].task, error);
+       }
+}
+
 static void close_filters(struct slot_info *s)
 {
        int i;
@@ -546,7 +562,7 @@ static void open_filters(struct slot_info *s)
                return;
        PARA_INFO_LOG("opening %s filters\n", audio_formats[s->format]);
        assert(s->fns == NULL);
-       s->fns = para_calloc(nf * sizeof(struct filter_node));
+       s->fns = zalloc(nf * sizeof(struct filter_node));
        parent = s->receiver_node->btrn;
        for (i = 0; i < nf; i++) {
                char buf[20];
@@ -566,8 +582,8 @@ static void open_filters(struct slot_info *s)
                sprintf(buf, "%s (slot %d)", name, (int)(s - slot));
                fn->task = task_register(&(struct task_info) {
                        .name = buf,
-                       .pre_select = f->pre_select,
-                       .post_select = f->post_select,
+                       .pre_monitor = f->pre_monitor,
+                       .post_monitor = f->post_monitor,
                        .context = fn,
                }, &sched);
                parent = fn->btrn;
@@ -584,7 +600,7 @@ static void open_writers(struct slot_info *s)
        struct btr_node *parent = s->fns[a->num_filters - 1].btrn;
 
        assert(s->wns == NULL);
-       s->wns = para_calloc(PARA_MAX(1U, a->num_writers)
+       s->wns = zalloc(PARA_MAX(1U, a->num_writers)
                * sizeof(struct writer_node));
        for (i = 0; i < a->num_writers; i++) {
                wn = s->wns + i;
@@ -611,7 +627,7 @@ static int open_receiver(int format)
        if (ret < 0)
                return ret;
        slot_num = ret;
-       rn = para_calloc(sizeof(*rn));
+       rn = zalloc(sizeof(*rn));
        rn->receiver = r;
        rn->lpr = a->receiver_lpr;
        rn->btrn = btr_new_node(&(struct btr_node_description)
@@ -630,8 +646,8 @@ static int open_receiver(int format)
                audio_formats[format], name, slot_num);
        rn->task = task_register(&(struct task_info) {
                .name = name,
-               .pre_select = r->pre_select,
-               .post_select = r->post_select,
+               .pre_monitor = r->pre_monitor,
+               .post_monitor = r->post_monitor,
                .context = rn,
        }, &sched);
        return slot_num;
@@ -731,8 +747,8 @@ static void compute_time_diff(const struct timeval *status_time)
        if (count > 5) {
                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: %lums\n",
-                               s * tv2ms(&tmp));
+                       PARA_WARNING_LOG("time diff jump: %c%lums\n",
+                               s < 0? '-' : '+', tv2ms(&tmp));
        }
        count++;
        sa_time_diff_sign = tv_convex_combination(
@@ -801,7 +817,7 @@ static int parse_stream_command(const char *txt, const char **cmd)
                return -E_MISSING_COLON;
        *cmd = p + 1;
        len = p - txt;
-       re = malloc(len + 1);
+       re = alloc(len + 1);
        strncpy(re, txt, len);
        re[len] = '\0';
        ret = get_matching_audio_format_nums(re);
@@ -817,12 +833,9 @@ static int add_filter(int format, const char *cmdline)
        struct lls_parse_result *flpr;
 
        filter_num = filter_setup(cmdline, &cfg, &flpr);
-       a->filter_lpr = para_realloc(a->filter_lpr,
-               (nf + 1) * sizeof(flpr));
-       a->filter_conf = para_realloc(a->filter_conf,
-               (nf + 1) * sizeof(void *));
-       a->filter_nums = para_realloc(a->filter_nums,
-               (nf + 1) * sizeof(unsigned));
+       a->filter_lpr = arr_realloc(a->filter_lpr, nf + 1, sizeof(flpr));
+       a->filter_conf = arr_realloc(a->filter_conf, nf + 1, sizeof(void *));
+       a->filter_nums = arr_realloc(a->filter_nums, nf + 1, sizeof(unsigned));
 
        a->filter_nums[nf] = filter_num;
        a->filter_conf[nf] = cfg;
@@ -868,8 +881,8 @@ static int parse_writer_args(void)
                if (a->num_writers > 0)
                        continue; /* already set up */
                a->num_writers = 1;
-               a->wids = para_malloc(sizeof(int));
-               a->writer_lpr = para_malloc(sizeof(struct lls_parse_result *));
+               a->wids = alloc(sizeof(int));
+               a->writer_lpr = alloc(sizeof(struct lls_parse_result *));
                a->wids[0] = check_writer_arg_or_die(NULL, a->writer_lpr);
                PARA_INFO_LOG("%s writer: %s (default)\n", audio_formats[i],
                        writer_name(a->wids[0]));
@@ -945,7 +958,7 @@ static int init_default_filters(void)
                 */
                if (strcmp(name, "udp") == 0 || strcmp(name, "dccp") == 0) {
                        tmp = para_strdup("fecdec");
-                       add_filter(i, tmp);
+                       ret = add_filter(i, tmp);
                        free(tmp);
                        if (ret < 0)
                                goto out;
@@ -1037,7 +1050,7 @@ static void init_local_socket(struct command_task *ct)
        exit(EXIT_FAILURE);
 }
 
-static int signal_post_select(struct sched *s, void *context)
+static int signal_post_monitor(struct sched *s, void *context)
 {
        struct signal_task *st = context;
        int ret, signum;
@@ -1045,25 +1058,25 @@ static int signal_post_select(struct sched *s, void *context)
        ret = task_get_notification(st->task);
        if (ret < 0)
                return ret;
-       signum = para_next_signal(&s->rfds);
+       signum = para_next_signal();
        switch (signum) {
        case SIGINT:
        case SIGTERM:
        case SIGHUP:
-               PARA_NOTICE_LOG("received signal %d\n", signum);
+               PARA_WARNING_LOG("terminating on signal %d\n", signum);
                task_notify_all(s, E_AUDIOD_SIGNAL);
                return -E_AUDIOD_SIGNAL;
        }
        return 0;
 }
 
-static void command_pre_select(struct sched *s, void *context)
+static void command_pre_monitor(struct sched *s, void *context)
 {
        struct command_task *ct = context;
-       para_fd_set(ct->fd, &s->rfds, &s->max_fileno);
+       sched_monitor_readfd(ct->fd, s);
 }
 
-static int command_post_select(struct sched *s, void *context)
+static int command_post_monitor(struct sched *s, void *context)
 {
        int ret;
        struct command_task *ct = context;
@@ -1074,9 +1087,9 @@ static int command_post_select(struct sched *s, void *context)
        ret = task_get_notification(ct->task);
        if (ret < 0)
                return ret;
-       ret = handle_connect(ct->fd, &s->rfds);
+       ret = dispatch_local_connection(ct->fd);
        if (ret < 0) {
-               PARA_ERROR_LOG("%s\n", para_strerror(-ret));
+               PARA_NOTICE_LOG("%s\n", para_strerror(-ret));
                if (ret == -E_AUDIOD_TERM) {
                        task_notify_all(s, -ret);
                        return ret;
@@ -1114,8 +1127,8 @@ static void init_command_task(struct command_task *ct)
 
        ct->task = task_register(&(struct task_info) {
                .name = "command",
-               .pre_select = command_pre_select,
-               .post_select = command_post_select,
+               .pre_monitor = command_pre_monitor,
+               .post_monitor = command_post_monitor,
                .context = ct,
        }, &sched);
 }
@@ -1217,8 +1230,9 @@ static void start_stop_decoders(void)
        struct slot_info *sl;
 
        close_unused_slots();
-       if (audiod_status != AUDIOD_ON ||
-                       !(stat_task->vss_status & VSS_STATUS_FLAG_PLAYING))
+       if (audiod_status != AUDIOD_ON)
+               return notify_writers(E_NOT_PLAYING);
+       if (!(stat_task->vss_status & VSS_STATUS_FLAG_PLAYING))
                return notify_receivers(E_NOT_PLAYING);
        if (!must_start_decoder())
                return;
@@ -1235,7 +1249,7 @@ static void start_stop_decoders(void)
        audiod_status_dump(true);
 }
 
-static void status_pre_select(struct sched *s, void *context)
+static void status_pre_monitor(struct sched *s, void *context)
 {
        struct status_task *st = context;
        int i, ret, cafn = stat_task->current_audio_format_num;
@@ -1267,7 +1281,7 @@ min_delay:
 }
 
 /* restart the client task if necessary */
-static int status_post_select(struct sched *s, void *context)
+static int status_post_monitor(struct sched *s, void *context)
 {
        struct status_task *st = context;
        int ret;
@@ -1358,8 +1372,8 @@ static void init_status_task(struct status_task *st)
 
        stat_task->task = task_register(&(struct task_info) {
                .name = "stat",
-               .pre_select = status_pre_select,
-               .post_select = status_post_select,
+               .pre_monitor = status_pre_monitor,
+               .post_monitor = status_post_monitor,
                .context = stat_task,
        }, &sched);
 }
@@ -1443,15 +1457,14 @@ int main(int argc, char *argv[])
        ret = lls(lls_parse(argc, argv, CMD_PTR, &lpr, &errctx));
        if (ret < 0)
                goto out;
-       daemon_set_loglevel(ENUM_STRING_VAL(LOGLEVEL));
+       daemon_set_loglevel(OPT_UINT32_VAL(LOGLEVEL));
        daemon_drop_privileges_or_die(OPT_STRING_VAL(USER),
                OPT_STRING_VAL(GROUP));
        version_handle_flag("audiod", OPT_GIVEN(VERSION));
        handle_help_flags();
        parse_config_or_die();
-       init_random_seed_or_die();
+       crypt_init();
        daemon_set_priority(OPT_UINT32_VAL(PRIORITY));
-       recv_init();
        if (daemon_init_colors_or_die(OPT_UINT32_VAL(COLOR), COLOR_AUTO,
                        COLOR_NO, OPT_GIVEN(LOGFILE))) {
                for (i = 0; i < OPT_GIVEN(LOG_COLOR); i++)
@@ -1487,18 +1500,17 @@ int main(int argc, char *argv[])
 
        signal_task->task = task_register(&(struct task_info) {
                .name = "signal",
-               .pre_select = signal_pre_select,
-               .post_select = signal_post_select,
+               .pre_monitor = signal_pre_monitor,
+               .post_monitor = signal_post_monitor,
                .context = signal_task,
        }, &sched);
 
-       sched.default_timeout.tv_sec = 2;
-       sched.default_timeout.tv_usec = 999 * 1000;
+       sched.default_timeout = 2999;
        ret = schedule(&sched);
        audiod_cleanup();
        sched_shutdown(&sched);
        signal_shutdown(signal_task);
-
+       crypt_shutdown();
 out:
        lls_free_parse_result(lpr, CMD_PTR);
        if (errctx)