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dtls: Shutdown timeout thread when it's not needed

Browse source 
It is not needed most of the time and usually we have a thread
idling around doing nothing all the time after the first few seconds.
This commit is contained in:
Sebastian Dröge 2015-03-18 18:17:39 +01:00
parent 0ee027b6ee
commit 4072666c7d
1 changed files with 27 additions and 19 deletions
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46
ext/dtls/gstdtlsconnection.c
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@ -247,8 +247,6 @@ gst_dtls_connection_start (GstDtlsConnection * self, gboolean is_client)
{
GstDtlsConnectionPrivate *priv;
g_return_if_fail (GST_IS_DTLS_CONNECTION (self));
priv = self->priv;
g_return_if_fail (priv->send_closure);
@ -277,14 +275,13 @@ gst_dtls_connection_start (GstDtlsConnection * self, gboolean is_client)
openssl_poll (self);
log_state (self, "first poll done");
priv->thread = NULL;
GST_TRACE_OBJECT (self, "unlocking @ start");
g_mutex_unlock (&priv->mutex);
}
void
gst_dtls_connection_start_timeout (GstDtlsConnection * self)
static void
gst_dtls_connection_start_timeout_locked (GstDtlsConnection * self)
{
GstDtlsConnectionPrivate *priv;
GError *error = NULL;
@ -293,13 +290,11 @@ gst_dtls_connection_start_timeout (GstDtlsConnection * self)
g_return_if_fail (GST_IS_DTLS_CONNECTION (self));
priv = self->priv;
if (priv->thread)
return;
thread_name = g_strdup_printf ("connection_thread_%p", self);
GST_TRACE_OBJECT (self, "locking @ start_timeout");
g_mutex_lock (&priv->mutex);
GST_TRACE_OBJECT (self, "locked @ start_timeout");
GST_INFO_OBJECT (self, "starting connection timeout");
priv->thread = g_thread_try_new (thread_name,
(GThreadFunc) connection_timeout_thread_func, self, &error);
@ -310,9 +305,23 @@ gst_dtls_connection_start_timeout (GstDtlsConnection * self)
}
g_free (thread_name);
}
GST_TRACE_OBJECT (self, "unlocking @ start_timeout");
void
gst_dtls_connection_start_timeout (GstDtlsConnection * self)
{
GstDtlsConnectionPrivate *priv;
g_return_if_fail (GST_IS_DTLS_CONNECTION (self));
priv = self->priv;
GST_TRACE_OBJECT (self, "locking @ start_timeout");
g_mutex_lock (&priv->mutex);
GST_TRACE_OBJECT (self, "locked @ start_timeout");
gst_dtls_connection_start_timeout_locked (self);
g_mutex_unlock (&priv->mutex);
GST_TRACE_OBJECT (self, "unlocking @ start_timeout");
}
void
@ -541,15 +550,11 @@ connection_timeout_thread_func (GstDtlsConnection * self)
log_state (self, "handling timeout after poll");
}
} else {
GST_DEBUG_OBJECT (self, "waiting indefinitely");
GST_DEBUG_OBJECT (self, "no timeout set, stopping thread");
priv->timeout_set = FALSE;
while (!priv->timeout_set && priv->is_alive) {
GST_TRACE_OBJECT (self, "wait @ timeout");
g_cond_wait (&priv->condition, &priv->mutex);
}
GST_TRACE_OBJECT (self, "continued @ timeout");
priv->thread = NULL;
g_mutex_unlock (&priv->mutex);
break;
}
GST_TRACE_OBJECT (self, "unlocking @ timeout");
@ -854,7 +859,10 @@ bio_method_ctrl (BIO * bio, int cmd, long arg1, void *arg2)
case BIO_CTRL_DGRAM_SET_RECV_TIMEOUT:
GST_LOG_OBJECT (self, "BIO: Timeout set");
priv->timeout_set = TRUE;
g_cond_signal (&priv->condition);
if (priv->thread)
g_cond_signal (&priv->condition);
else
gst_dtls_connection_start_timeout_locked (self);
return 1;
case BIO_CTRL_RESET:
priv->bio_buffer = NULL;