Merge branch 't/ssh_keys'

[paraslash.git] / audiod.c

diff --git a/audiod.c b/audiod.c
index 778318cebc2b8958e26b378987a4842c615a237d..6a4c9dbead6c61bbaaedfb484369749404dbe7b5 100644 (file)
--- a/audiod.c
+++ b/audiod.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2010 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2011 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -7,9 +7,7 @@
 /** \file audiod.c the paraslash's audio daemon */
 #include <regex.h>
 #include <sys/types.h>
-#include <dirent.h>
 #include <signal.h>
-#include <openssl/rc4.h>
 #include <stdbool.h>
 
 #include "para.h"
@@ -33,6 +31,7 @@
 #include "write.h"
 #include "write_common.h"
 #include "signal.h"
+#include "version.h"
 
 /** define the array of error lists needed by para_audiod */
 INIT_AUDIOD_ERRLISTS;
@@ -167,7 +166,7 @@ struct command_task {
  * \return The audio format number on success, -E_UNSUPPORTED_AUDIO_FORMAT if
  * \a name is not a supported audio format.
  */
-int get_audio_format_num(const char *name)
+static int get_audio_format_num(const char *name)
 {
        int i;
 
@@ -358,6 +357,8 @@ static void close_receiver(int slot_num)
        btr_free_node(s->receiver_node->btrn);
        free(s->receiver_node);
        s->receiver_node = NULL;
+       tv_add(now, &(struct timeval)EMBRACE(0, 200 * 1000),
+               &a->restart_barrier);
 }
 
 static void writer_cleanup(struct writer_node *wn)
@@ -428,22 +429,15 @@ static void kill_btrn(struct btr_node *btrn, struct task *t, int error)
 
 static void kill_all_decoders(int error)
 {
-       int i, j;
+       int i;
 
        FOR_EACH_SLOT(i) {
-               struct slot_info *s = &slot[i];
-               struct audio_format_info *a;
+               struct slot_info *s = slot + i;
                if (s->format < 0)
                        continue;
-               a = afi + s->format;
-               if (s->wns)
-                       for (j = 0; j < a->num_writers; j++)
-                               kill_btrn(s->wns[j].btrn, &s->wns[j].task, error);
-               if (s->fns)
-                       for (j = 0; j < a->num_writers; j++)
-                               kill_btrn(s->fns[j].btrn, &s->wns[j].task, error);
-               if (s->receiver_node)
-                       kill_btrn(s->receiver_node->btrn, &s->receiver_node->task,
+               if (!s->receiver_node)
+                       continue;
+               kill_btrn(s->receiver_node->btrn, &s->receiver_node->task,
                                error);
        }
 }
@@ -467,20 +461,6 @@ static int get_empty_slot(void)
        return -E_NO_MORE_SLOTS;
 }
 
-/**
- * get the number of filters
- *
- * \param audio_format_num the number identifying the audio format
- *
- * \return the number of filters for the given audio format
- *
- * \sa struct filter;
- */
-int num_filters(int audio_format_num)
-{
-       return afi[audio_format_num].num_filters;
-}
-
 static void open_filters(struct slot_info *s)
 {
        struct audio_format_info *a = afi + s->format;
@@ -821,6 +801,14 @@ static int parse_receiver_args(void)
                ret = get_audio_format_num(arg);
                if (ret < 0)
                        goto out;
+               /*
+                * If multiple receivers are given for this audio format, the
+                * last one wins and we have to free the previous receiver
+                * config here. Since we are iterating backwards, the winning
+                * receiver arg is in fact the first one given.
+                */
+               if (afi[ret].receiver_conf)
+                       afi[ret].receiver->free_config(afi[ret].receiver_conf);
                afi[ret].receiver_conf = check_receiver_arg(recv_arg, &receiver_num);
                if (!afi[ret].receiver_conf) {
                        ret = -E_RECV_SYNTAX;
@@ -828,9 +816,9 @@ static int parse_receiver_args(void)
                }
                afi[ret].receiver = &receivers[receiver_num];
        }
-       /* use the first available receiver with no arguments
-        * for those audio formats for which no receiver
-        * was specified
+       /*
+        * Use the first available receiver with no arguments for those audio
+        * formats for which no receiver was specified.
         */
        cmd = para_strdup(receivers[0].name);
        FOR_EACH_AUDIO_FORMAT(i) {
@@ -863,7 +851,8 @@ static int init_default_filters(void)
                 * If udp is used to receive this audiod format, add fecdec as
                 * the first filter.
                 */
-               if (strcmp(afi[i].receiver->name, "udp") == 0) {
+               if (strcmp(afi[i].receiver->name, "udp") == 0 ||
+                               strcmp(afi[i].receiver->name, "dccp") == 0) {
                        tmp = para_strdup("fecdec");
                        add_filter(i, tmp);
                        free(tmp);
@@ -1086,17 +1075,17 @@ static void try_to_close_slot(int slot_num)
 
        if (s->format < 0)
                return;
-       if (s->receiver_node && s->receiver_node->task.error != -E_TASK_UNREGISTERED)
+       if (s->receiver_node && s->receiver_node->task.error >= 0)
                return;
        for (i = 0; i < a->num_filters; i++)
-               if (s->fns && s->fns[i].task.error != -E_TASK_UNREGISTERED)
+               if (s->fns && s->fns[i].task.error >= 0)
                        return;
        if (a->num_writers > 0) {
                for (i = 0; i < a->num_writers; i++)
-                       if (s->wns && s->wns[i].task.error != -E_TASK_UNREGISTERED)
+                       if (s->wns && s->wns[i].task.error >= 0)
                                return;
        } else {
-               if (s->wns && s->wns[0].task.error != -E_TASK_UNREGISTERED)
+               if (s->wns && s->wns[0].task.error >= 0)
                        return;
        }
        PARA_INFO_LOG("closing slot %d\n", slot_num);
@@ -1177,7 +1166,7 @@ static void status_post_select(__a_unused struct sched *s, struct task *t)
                        kill_btrn(st->ct->btrn, &st->ct->task, -E_AUDIOD_OFF);
                        goto out;
                }
-               if (st->ct->task.error != -E_TASK_UNREGISTERED)
+               if (st->ct->task.error >= 0)
                        goto out;
                close_stat_pipe();
                st->clock_diff_count = conf.clock_diff_count_arg;
@@ -1188,7 +1177,7 @@ static void status_post_select(__a_unused struct sched *s, struct task *t)
                size_t sz;
                int ret;
                if (st->ct->task.error < 0) {
-                       if (st->ct->task.error != -E_TASK_UNREGISTERED)
+                       if (st->ct->task.error >= 0)
                                goto out;
                        close_stat_pipe();
                        goto out;
@@ -1219,6 +1208,8 @@ static void status_post_select(__a_unused struct sched *s, struct task *t)
                        st->min_iqs = sz + 1;
                goto out;
        }
+       btr_drain(st->btrn);
+       st->current_audio_format_num = -1;
        if (tv_diff(now, &st->restart_barrier, NULL) < 0)
                goto out;
        if (st->clock_diff_count) { /* get status only one time */
@@ -1293,17 +1284,14 @@ __noreturn static void print_help_and_die(void)
 
 static void init_colors_or_die(void)
 {
-       int ret, i;
+       int i;
 
        if (!want_colors())
                return;
        daemon_set_default_log_colors();
        daemon_set_flag(DF_COLOR_LOG);
-       for (i = 0; i < conf.log_color_given; i++) {
-               ret = daemon_set_log_color(conf.log_color_arg[i]);
-               if (ret < 0)
-                       exit(EXIT_FAILURE);
-       }
+       for (i = 0; i < conf.log_color_given; i++)
+               daemon_set_log_color_or_die(conf.log_color_arg[i]);
 }
 
 /**