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Code Issues Releases Wiki Activity

stop multicast stream if all non stream owning sessions stopped

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This commit is contained in:
Ralph Metzler 2016-04-06 06:32:17 +02:00
parent 3959f336f1
commit b6d23ec557
2 changed files with 59 additions and 12 deletions
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70
octoserve/octoserve.c
View File

@ -26,6 +26,7 @@ uint32_t flags;
uint32_t conform = 0;
#define FLAGS_TRANSPORT 1
static uint32_t session_is_playing(struct ossess *sess);
uint64_t mtime_nano(void)
{
@ -358,6 +359,11 @@ static void *_release_session(struct ossess *oss)
}
oss->playing = 0;
oss->state = 0;
if (oss->trans.mcast && conform) {
dbgprintf(DEBUG_SYS, "check mc owner\n");
if (!session_is_playing(oss))
ioctl(oss->stream->session->nsfd, NS_STOP);
}
}
static void *release_stream(struct osstrm *str)
@ -450,6 +456,29 @@ static void *release_no_sessions(struct ossess *oss)
pthread_mutex_unlock(&os->lock);
}
static uint32_t session_is_playing(struct ossess *sess)
{
struct osstrm *str = sess->stream;
struct octoserve *os = sess->os;
int i;
uint32_t playing = 0;
if (!(sess->trans.mcast && conform))
return sess->playing;
pthread_mutex_lock(&os->lock);
for (i = 0; i < MAX_SESSION; i++)
if (os->session[i].state &&
(os->session[i].stream == str)) {
playing |= os->session[i].playing;
dbgprintf(DEBUG_DEBUG, "playing[%u] = %u\n",
i, os->session[i].playing);
}
pthread_mutex_unlock(&os->lock);
dbgprintf(DEBUG_DEBUG, "playing = %u\n", playing);
return playing;
}
static struct ossess *get_session(struct octoserve *os, uint32_t id)
{
int i;
@ -1436,7 +1465,10 @@ static int setup_session(struct oscon *con, int newtrans)
return -500;
pidchange = merge_pids(sp, p);
dbgprintf(DEBUG_DEBUG, "stream setup newtrans=%u pidchange=%u\n",
newtrans, pidchange);
if (owner) { /* stream owner */
dbgprintf(DEBUG_DEBUG, "stream owner setup\n");
merge_params(sp, p);
if (str->fe && (sp->set & (1UL << PARAM_FE)) &&
@ -1465,6 +1497,7 @@ static int setup_session(struct oscon *con, int newtrans)
dvb_tune(str->fe, sp);
}
} else {
dbgprintf(DEBUG_DEBUG, "non stream owner setup\n");
if (pidchange && conform) {
/* non-owner tried to change pids,
copy back owner pids and return error */
@ -1473,15 +1506,21 @@ static int setup_session(struct oscon *con, int newtrans)
}
}
if (sess->nsfd < 0) {
dbgprintf(DEBUG_DEBUG, "no fd, conform=%u owner=%u mc=%u\n",
conform, owner, sess->trans.mcast);
if (conform && !owner && sess->trans.mcast) {
dbgprintf(DEBUG_DEBUG, "conform non-owner MCAST owner MC=%u\n",
ownsess->trans.mcast);
if (!ownsess->trans.mcast)
return -455;
} else
} else {
dbgprintf(DEBUG_DEBUG, "owner or unicast get fd\n");
#ifndef IGNORE_NS
if (get_ns(sess) < 0)
return -455;
#endif
newtrans |= 256;
newtrans |= 256;
}
}
if (newtrans) {
if (sess->trans.mcast && conform) {
@ -1533,10 +1572,10 @@ static int setup_session(struct oscon *con, int newtrans)
static int stop_session(struct ossess *sess)
{
if (!sess->playing)
if (!session_is_playing(sess))
return 0;
sess->playing &= ~1;
if (sess->playing)
if (session_is_playing(sess))
return 0;
printf("stopping session %d\n", sess->nr);
if (sess->nsfd >= 0)
@ -1546,7 +1585,7 @@ static int stop_session(struct ossess *sess)
static int start_session(struct ossess *sess)
{
if (sess->playing) {
if (session_is_playing(sess)) {
sess->playing |= 1;
return 0;
}
@ -1576,16 +1615,22 @@ static int play_session(struct oscon *con)
if (res < 0)
return res;
}
if (sess->trans.mcast && conform)
sess = str->session;
dbgprintf(DEBUG_SYS, "%s fd %d\n", __FUNCTION__, sess->nsfd);
pthread_mutex_lock(&os->lock);
/* for strict multicast there is only the stream owners stream */
if (sess->trans.mcast && conform) {
#ifndef IGNORE_NS
if (str->session->nsfd < 0)
return -455;
#endif
start_session(str->session);
} else {
#ifndef IGNORE_NS
if (sess->nsfd < 0)
return -455;
#endif
dbgprintf(DEBUG_SYS, "%s fd %d\n", __FUNCTION__, sess->nsfd);
pthread_mutex_lock(&os->lock);
start_session(sess);
start_session(sess);
}
sess->playing |= 2;
pthread_mutex_unlock(&os->lock);
return 0;
@ -1710,7 +1755,7 @@ void mc_join(struct octoserve *os, uint8_t *ip, uint8_t *mac, uint8_t *group)
if (os->has_switch)
update_switch_vec(sess);
}
if (!sess->playing)
if (!session_is_playing(sess))
start_session(sess);
out:
pthread_mutex_unlock(&os->lock);
@ -1992,6 +2037,7 @@ static int proc_setup(struct oscon *con)
send_error(con, 400);
return -1;
}
#if 0
if (con->session && con->session != str->session) {
/* if we already have a session ID we

1
octoserve/octoserve.h
View File

@ -72,6 +72,7 @@
#define DEBUG_DVB 16
#define DEBUG_IGMP 32
#define DEBUG_SWITCH 64
#define DEBUG_DEBUG 256
#if 0
#define dbgprintf(_mask_, ...) \