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more reliable streaming, re-connect on connection failure

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git-svn-id: svn://code.dyne.org/veejay/trunk@1399 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
This commit is contained in:
Niels Elburg
2010-02-28 17:20:11 +00:00
parent ed97bf4ea5
commit 0e7e890fe1
1 changed files with 65 additions and 27 deletions
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92
veejay-current/veejay-server/libstream/vj-net.c
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@@ -67,10 +67,10 @@ static void unlock_(threaded_t *t, const char *f, int line)
#define unlock( t ) unlock_( t, __FUNCTION__ , __LINE__ )
#define MS_TO_NANO(a) (a *= 1000000)
static void net_delay(long nsec )
static void net_delay(long nsec, long sec )
{
struct timespec ts;
ts.tv_sec = 0;
ts.tv_sec = sec;
ts.tv_nsec = MS_TO_NANO( nsec);
nanosleep( &ts, NULL );
}
@@ -89,53 +89,75 @@ void *reader_thread(void *data)
sprintf(buf, "%03d:;", VIMS_GET_FRAME);
int retrieve = 0;
int retrieve = 0;
for( ;; )
{
int error = 0;
int pollres = 0;
int res = 0;
if( t->state == 0 )
{
error = 1;
vj_client_close(v);
pthread_exit( &(t->thread));
return NULL;
}
lock(t);
if( t->grab && tag->source_type == VJ_TAG_TYPE_NET && retrieve == 0 ) {
ret = vj_client_send( v, V_CMD, buf );
if( ret < 0 )
{
veejay_msg(VEEJAY_MSG_DEBUG,
"%s:%d failed to query frame",
tag->source_name,
tag->video_channel );
error = 1;
}
else
{
t->grab = 0;
}
}
if( t->grab && tag->source_type == VJ_TAG_TYPE_NET && retrieve== 0)
if( tag->source_type == VJ_TAG_TYPE_NET )
{
ret = vj_client_poll_w(v , V_CMD );
res = vj_client_poll(v, V_CMD );
if( ret )
{
ret = vj_client_send( v, V_CMD, buf );
if( ret <= 0 )
{
error = 1;
}
else
{
t->grab = 0;
retrieve = 1;
}
retrieve = 1;
} else if ( ret < 0 ) {
veejay_msg(VEEJAY_MSG_DEBUG,
"%s:%d failed to poll frame",
tag->source_name,
tag->video_channel );
error = 1;
}
}
if (tag->source_type == VJ_TAG_TYPE_MCAST )
} else if (tag->source_type == VJ_TAG_TYPE_MCAST )
{
error = 0;
retrieve = 1;
res = 1;
}
long wait_time = 20;
if(!error && retrieve)
{
if( vj_client_poll(v, V_CMD ) )
if( res )
{
ret = vj_client_read_i ( v, tag->socket_frame,tag->socket_len );
if( ret <= 0 )
{
if( tag->source_type == VJ_TAG_TYPE_NET )
{
veejay_msg(VEEJAY_MSG_DEBUG,
"%s:%d failed to read frame",
tag->source_name,
tag->video_channel );
error = 1;
}
else
@@ -163,18 +185,34 @@ void *reader_thread(void *data)
{
if ( wait_time > 40 )
wait_time = 15;
net_delay( wait_time );
// usleep(wait_time);
net_delay( wait_time,0 );
wait_time = 0;
}
if( error )
{
veejay_msg(VEEJAY_MSG_ERROR,
"Closing connection with remote veejay,");
t->state = 0;
int success = 0;
vj_client_close( v );
net_delay( 0,3 );
if(tag->source_type == VJ_TAG_TYPE_MCAST )
success = vj_client_connect( v,NULL,tag->source_name,tag->video_channel );
else
success = vj_client_connect_dat( v, tag->source_name,tag->video_channel );
if( success <= 0 )
{
wait_time = 4000;
}
else
{
veejay_msg(VEEJAY_MSG_INFO, "Connecton re-established with %s:%d",tag->source_name,
tag->video_channel + 5);
}
t->grab = 0;
pthread_exit( &(t->thread));
return NULL;
retrieve = 0;
}
}
return NULL;