write: Remove osx writer from write_cmd suite.
[paraslash.git] / vss.c
diff --git a/vss.c b/vss.c
index 8b850fe1e56c27d3cebda6db2d0eb6984575c20e..2cd0a1632922b0b2272aa183c0ddba8c4b4a3d30 100644 (file)
--- a/vss.c
+++ b/vss.c
@@ -40,24 +40,9 @@ extern void dccp_send_init(struct sender *);
 extern void http_send_init(struct sender *);
 extern void udp_send_init(struct sender *);
 
-/** The list of supported senders. */
-struct sender senders[] = {
-       {
-               .name = "http",
-               .init = http_send_init,
-       },
-       {
-               .name = "dccp",
-               .init = dccp_send_init,
-       },
-       {
-               .name = "udp",
-               .init = udp_send_init,
-       },
-       {
-               .name = NULL,
-       }
-};
+extern const struct sender udp_sender, dccp_sender, http_sender;
+const struct sender * const senders[] = {
+       &http_sender, &dccp_sender, &udp_sender, NULL};
 
 /** The possible states of the afs socket. */
 enum afs_socket_status {
@@ -918,10 +903,10 @@ static void vss_pre_select(struct sched *s, void *context)
                vsst->afsss = AFS_SOCKET_CHECK_FOR_WRITE;
        } else
                para_fd_set(vsst->afs_socket, &s->rfds, &s->max_fileno);
-       for (i = 0; senders[i].name; i++) {
-               if (!senders[i].pre_select)
+       FOR_EACH_SENDER(i) {
+               if (!senders[i]->pre_select)
                        continue;
-               senders[i].pre_select(&s->max_fileno, &s->rfds, &s->wfds);
+               senders[i]->pre_select(&s->max_fileno, &s->rfds, &s->wfds);
        }
        vss_compute_timeout(s, vsst);
 }
@@ -1082,10 +1067,10 @@ static void vss_send(struct vss_task *vsst)
                 * We call ->send() even if len is zero because senders might
                 * have data queued which can be sent now.
                 */
-               for (i = 0; senders[i].name; i++) {
-                       if (!senders[i].send)
+               FOR_EACH_SENDER(i) {
+                       if (!senders[i]->send)
                                continue;
-                       senders[i].send(mmd->current_chunk, mmd->chunks_sent,
+                       senders[i]->send(mmd->current_chunk, mmd->chunks_sent,
                                buf, len, vsst->header_buf, vsst->header_len);
                }
        }
@@ -1098,12 +1083,17 @@ static int vss_post_select(struct sched *s, void *context)
        int ret, i;
        struct vss_task *vsst = context;
 
+       ret = task_get_notification(vsst->task);
+       if (ret < 0) {
+               afh_free_header(vsst->header_buf, mmd->afd.audio_format_id);
+               return ret;
+       }
        if (!vsst->map || vss_next() || vss_paused() || vss_repos()) {
                /* shut down senders and fec clients */
                struct fec_client *fc, *tmp;
-               for (i = 0; senders[i].name; i++)
-                       if (senders[i].shutdown_clients)
-                               senders[i].shutdown_clients();
+               FOR_EACH_SENDER(i)
+                       if (senders[i]->shutdown_clients)
+                               senders[i]->shutdown_clients();
                list_for_each_entry_safe(fc, tmp, &fec_client_list, node)
                        fc->state = FEC_STATE_NONE;
                mmd->stream_start.tv_sec = 0;
@@ -1129,8 +1119,8 @@ static int vss_post_select(struct sched *s, void *context)
                int num = mmd->sender_cmd_data.cmd_num,
                        sender_num = mmd->sender_cmd_data.sender_num;
 
-               if (senders[sender_num].client_cmds[num]) {
-                       ret = senders[sender_num].client_cmds[num]
+               if (senders[sender_num]->client_cmds[num]) {
+                       ret = senders[sender_num]->client_cmds[num]
                                (&mmd->sender_cmd_data);
                        if (ret < 0)
                                PARA_ERROR_LOG("%s\n", para_strerror(-ret));
@@ -1147,10 +1137,10 @@ static int vss_post_select(struct sched *s, void *context)
                else
                        vsst->afsss = AFS_SOCKET_AFD_PENDING;
        }
-       for (i = 0; senders[i].name; i++) {
-               if (!senders[i].post_select)
+       FOR_EACH_SENDER(i) {
+               if (!senders[i]->post_select)
                        continue;
-               senders[i].post_select(&s->rfds, &s->wfds);
+               senders[i]->post_select(&s->rfds, &s->wfds);
        }
        if ((vss_playing() && !(mmd->vss_status_flags & VSS_PLAYING)) ||
                        (vss_next() && vss_playing()))
@@ -1179,9 +1169,9 @@ void vss_init(int afs_socket, struct sched *s)
        ms2tv(announce_time, &vsst->announce_tv);
        PARA_INFO_LOG("announce timeval: %lums\n", tv2ms(&vsst->announce_tv));
        INIT_LIST_HEAD(&fec_client_list);
-       for (i = 0; senders[i].name; i++) {
-               PARA_NOTICE_LOG("initializing %s sender\n", senders[i].name);
-               senders[i].init(&senders[i]);
+       FOR_EACH_SENDER(i) {
+               PARA_NOTICE_LOG("initializing %s sender\n", senders[i]->name);
+               senders[i]->init();
        }
        mmd->sender_cmd_data.cmd_num = -1;
        if (OPT_GIVEN(AUTOPLAY)) {
@@ -1200,3 +1190,20 @@ void vss_init(int afs_socket, struct sched *s)
                .context = vsst,
        }, s);
 }
+
+/**
+ * Turn off the virtual streaming system.
+ *
+ * This is only executed on exit. It calls the ->shutdowwn method of all senders.
+ */
+void vss_shutdown(void)
+{
+       int i;
+
+       FOR_EACH_SENDER(i) {
+               if (!senders[i]->shutdown)
+                       continue;
+               PARA_NOTICE_LOG("shutting down %s sender\n", senders[i]->name);
+               senders[i]->shutdown();
+       }
+}