static void
handle_transfer (GstCurlBaseSink * sink)
{
GstCurlBaseSinkClass *klass = GST_CURL_BASE_SINK_GET_CLASS (sink);
gint retval;
gint activated_fds;
gint running_handles;
gint timeout;
CURLMcode m_code;
CURLcode e_code;
GST_OBJECT_LOCK (sink);
timeout = sink->timeout;
GST_OBJECT_UNLOCK (sink);
GST_DEBUG_OBJECT (sink, "handling transfers");
/* Receiving CURLM_CALL_MULTI_PERFORM means that libcurl may have more data
available to send or receive - call simply curl_multi_perform before
poll() on more actions */
do {
m_code = curl_multi_perform (sink->multi_handle, &running_handles);
} while (m_code == CURLM_CALL_MULTI_PERFORM);
GST_DEBUG_OBJECT (sink, "running handles: %d", running_handles);
while (running_handles && (m_code == CURLM_OK)) {
if (klass->transfer_prepare_poll_wait) {
klass->transfer_prepare_poll_wait (sink);
}
activated_fds = gst_poll_wait (sink->fdset, timeout * GST_SECOND);
if (G_UNLIKELY (activated_fds == -1)) {
if (errno == EAGAIN || errno == EINTR) {
GST_DEBUG_OBJECT (sink, "interrupted by signal");
} else if (errno == EBUSY) {
GST_DEBUG_OBJECT (sink, "poll stopped");
retval = GST_FLOW_EOS;
GST_OBJECT_LOCK (sink);
if (gst_curl_base_sink_has_buffered_data_unlocked (sink))
GST_WARNING_OBJECT (sink,
"discarding render data due to thread close flag");
GST_OBJECT_UNLOCK (sink);
goto fail;
} else {
sink->error = g_strdup_printf ("poll failed: %s", g_strerror (errno));
retval = GST_FLOW_ERROR;
goto fail;
}
} else if (G_UNLIKELY (activated_fds == 0)) {
sink->error = g_strdup_printf ("poll timed out after %" GST_TIME_FORMAT,
GST_TIME_ARGS (timeout * GST_SECOND));
retval = GST_FLOW_ERROR;
goto fail;
}
/* readable/writable sockets */
do {
m_code = curl_multi_perform (sink->multi_handle, &running_handles);
} while (m_code == CURLM_CALL_MULTI_PERFORM);
GST_DEBUG_OBJECT (sink, "running handles: %d", running_handles);
}
if (m_code != CURLM_OK) {
sink->error = g_strdup_printf ("failed to write data: %s",
curl_multi_strerror (m_code));
retval = GST_FLOW_ERROR;
goto fail;
}
/* problems still might have occurred on individual transfers even when
* curl_multi_perform returns CURLM_OK */
if ((e_code = gst_curl_base_sink_transfer_check (sink)) != CURLE_OK) {
sink->error = g_strdup_printf ("failed to transfer data: %s",
curl_easy_strerror (e_code));
retval = GST_FLOW_ERROR;
goto fail;
}
gst_curl_base_sink_got_response_notify (sink);
GST_OBJECT_LOCK (sink);
if (sink->socket_type == CURLSOCKTYPE_ACCEPT) {
/* FIXME: remove this again once we can depend on libcurl > 7.44.0,
* see https://github.com/bagder/curl/issues/405.
*/
if (G_UNLIKELY (sink->fd.fd < 0)) {
sink->error = g_strdup_printf ("unknown error");
retval = GST_FLOW_ERROR;
GST_OBJECT_UNLOCK (sink);
goto fail;
}
if (!gst_poll_remove_fd (sink->fdset, &sink->fd)) {
sink->error = g_strdup_printf ("failed to remove fd");
retval = GST_FLOW_ERROR;
GST_OBJECT_UNLOCK (sink);
goto fail;
}
sink->fd.fd = -1;
}
GST_OBJECT_UNLOCK (sink);
return;
fail:
GST_OBJECT_LOCK (sink);
if (sink->flow_ret == GST_FLOW_OK) {
sink->flow_ret = retval;
}
GST_OBJECT_UNLOCK (sink);
return;
}
static void
handle_transfer (GstCurlBaseSink * sink)
{
GstCurlBaseSinkClass *klass = GST_CURL_BASE_SINK_GET_CLASS (sink);
gint retval;
gint activated_fds;
gint running_handles;
gint timeout;
CURLMcode m_code;
CURLcode e_code;
GST_OBJECT_LOCK (sink);
timeout = sink->timeout;
GST_OBJECT_UNLOCK (sink);
/* Receiving CURLM_CALL_MULTI_PERFORM means that libcurl may have more data
available to send or receive - call simply curl_multi_perform before
poll() on more actions */
do {
m_code = curl_multi_perform (sink->multi_handle, &running_handles);
} while (m_code == CURLM_CALL_MULTI_PERFORM);
while (running_handles && (m_code == CURLM_OK)) {
if (klass->transfer_prepare_poll_wait) {
klass->transfer_prepare_poll_wait (sink);
}
activated_fds = gst_poll_wait (sink->fdset, timeout * GST_SECOND);
if (G_UNLIKELY (activated_fds == -1)) {
if (errno == EAGAIN || errno == EINTR) {
GST_DEBUG_OBJECT (sink, "interrupted by signal");
} else if (errno == EBUSY) {
GST_DEBUG_OBJECT (sink, "poll stopped");
retval = GST_FLOW_EOS;
goto fail;
} else {
GST_DEBUG_OBJECT (sink, "poll failed: %s", g_strerror (errno));
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE, ("poll failed"), (NULL));
retval = GST_FLOW_ERROR;
goto fail;
}
} else if (G_UNLIKELY (activated_fds == 0)) {
GST_DEBUG_OBJECT (sink, "poll timed out");
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE, ("poll timed out"), (NULL));
retval = GST_FLOW_ERROR;
goto fail;
}
/* readable/writable sockets */
do {
m_code = curl_multi_perform (sink->multi_handle, &running_handles);
} while (m_code == CURLM_CALL_MULTI_PERFORM);
}
if (m_code != CURLM_OK) {
GST_DEBUG_OBJECT (sink, "curl multi error");
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE, ("%s",
curl_multi_strerror (m_code)), (NULL));
retval = GST_FLOW_ERROR;
goto fail;
}
/* problems still might have occurred on individual transfers even when
* curl_multi_perform returns CURLM_OK */
if ((e_code = gst_curl_base_sink_transfer_check (sink)) != CURLE_OK) {
GST_DEBUG_OBJECT (sink, "curl easy error");
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE, ("%s",
curl_easy_strerror (e_code)), (NULL));
retval = GST_FLOW_ERROR;
goto fail;
}
gst_curl_base_sink_got_response_notify (sink);
return;
fail:
GST_OBJECT_LOCK (sink);
if (sink->flow_ret == GST_FLOW_OK) {
sink->flow_ret = retval;
}
GST_OBJECT_UNLOCK (sink);
return;
}