Merge branch 'maint'

[paraslash.git] / vss.c

diff --git a/vss.c b/vss.c
index 0b6735ba11014356aa44feb28cdef7b52de1181f..898180c013a4845481bbfd48782fa9168f8e9048 100644 (file)
--- a/vss.c
+++ b/vss.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1997-2009 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1997-2010 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -290,19 +290,20 @@ static int setup_next_fec_group(struct fec_client *fc, struct vss_task *vsst)
                g->num = 0;
                g->start = *now;
        } else {
+               struct timeval tmp;
+               if (g->first_chunk + g->num_chunks >= mmd->afd.afhi.chunks_total)
+                       return 0;
                /*
                 * Start and duration of this group depend only on the previous
                 * group. Compute the new group start as g->start += g->duration.
                 */
-               struct timeval tmp = g->start;
+               tmp = g->start;
                tv_add(&tmp, &g->duration, &g->start);
                k = fc->fcp->data_slices_per_group + fc->num_extra_slices;
                set_group_timing(fc, g);
                g->first_chunk += g->num_chunks;
                g->num++;
        }
-       if (g->first_chunk >= mmd->afd.afhi.chunks_total)
-               return 0;
        if (need_audio_header(fc, vsst)) {
                ret = num_slices(vsst->header_len, fc, &g->num_header_slices);
                if (ret < 0)
@@ -636,7 +637,7 @@ static void vss_eof(struct vss_task *vsst)
        para_munmap(vsst->map, mmd->size);
        vsst->map = NULL;
        mmd->chunks_sent = 0;
-       mmd->offset = 0;
+       //mmd->offset = 0;
        mmd->afd.afhi.seconds_total = 0;
        mmd->afd.afhi.chunk_tv.tv_sec = 0;
        mmd->afd.afhi.chunk_tv.tv_usec = 0;
@@ -677,6 +678,13 @@ static int need_to_request_new_audio_file(struct vss_task *vsst)
        return 1;
 }
 
+static void set_mmd_offset(void)
+{
+       struct timeval offset;
+       tv_scale(mmd->current_chunk, &mmd->afd.afhi.chunk_tv, &offset);
+       mmd->offset = tv2ms(&offset);
+}
+
 /**
  * Compute the timeout for the main select-loop of the scheduler.
  *
@@ -721,6 +729,7 @@ static void vss_pre_select(struct sched *s, struct task *t)
                mmd->chunks_sent = 0;
                mmd->current_chunk = mmd->repos_request;
                mmd->new_vss_status_flags &= ~VSS_REPOS;
+               set_mmd_offset();
        }
        if (need_to_request_new_audio_file(vsst)) {
                PARA_DEBUG_LOG("ready and playing, but no audio file\n");
@@ -772,16 +781,20 @@ static int recv_afs_msg(int afs_socket, int *fd, uint32_t *code, uint32_t *data)
        return 1;
 }
 
-static void recv_afs_result(struct vss_task *vsst)
+static void recv_afs_result(struct vss_task *vsst, fd_set *rfds)
 {
        int ret, passed_fd, shmid;
        uint32_t afs_code = 0, afs_data = 0;
        struct stat statbuf;
 
-       vsst->afsss = AFS_SOCKET_READY;
+       if (!FD_ISSET(vsst->afs_socket, rfds))
+               return;
        ret = recv_afs_msg(vsst->afs_socket, &passed_fd, &afs_code, &afs_data);
+       if (ret == -ERRNO_TO_PARA_ERROR(EAGAIN))
+               return;
        if (ret < 0)
                goto err;
+       vsst->afsss = AFS_SOCKET_READY;
        PARA_DEBUG_LOG("fd: %d, code: %u, shmid: %u\n", passed_fd, afs_code,
                afs_data);
        ret = -E_NOFD;
@@ -875,11 +888,9 @@ static void vss_send(struct vss_task *vsst)
                size_t len;
 
                if (!mmd->chunks_sent) {
-                       struct timeval tmp;
                        mmd->stream_start = *now;
-                       tv_scale(mmd->current_chunk, &mmd->afd.afhi.chunk_tv, &tmp);
-                       mmd->offset = tv2ms(&tmp);
                        mmd->events++;
+                       set_mmd_offset();
                }
                /*
                 * We call the send function also in case of empty chunks as
@@ -913,10 +924,9 @@ static void vss_post_select(struct sched *s, struct task *t)
                        senders[sender_num].client_cmds[num](&mmd->sender_cmd_data);
                mmd->sender_cmd_data.cmd_num = -1;
        }
-       if (vsst->afsss != AFS_SOCKET_CHECK_FOR_WRITE) {
-               if (FD_ISSET(vsst->afs_socket, &s->rfds))
-                       recv_afs_result(vsst);
-       } else if (FD_ISSET(vsst->afs_socket, &s->wfds)) {
+       if (vsst->afsss != AFS_SOCKET_CHECK_FOR_WRITE)
+               recv_afs_result(vsst, &s->rfds);
+       else if (FD_ISSET(vsst->afs_socket, &s->wfds)) {
                PARA_NOTICE_LOG("requesting new fd from afs\n");
                ret = send_buffer(vsst->afs_socket, "new");
                if (ret < 0)