/* Receive RTSP message through RTSP connection */
static apt_bool_t rtsp_client_poller_signal_process(void *obj, const apr_pollfd_t *descriptor)
{
rtsp_client_t *client = obj;
rtsp_client_connection_t *rtsp_connection = descriptor->client_data;
apr_status_t status;
apr_size_t offset;
apr_size_t length;
apt_text_stream_t *stream;
rtsp_message_t *message;
apt_message_status_e msg_status;
if(!rtsp_connection || !rtsp_connection->sock) {
return FALSE;
}
stream = &rtsp_connection->rx_stream;
/* calculate offset remaining from the previous receive / if any */
offset = stream->pos - stream->text.buf;
/* calculate available length */
length = sizeof(rtsp_connection->rx_buffer) - 1 - offset;
status = apr_socket_recv(rtsp_connection->sock,stream->pos,&length);
if(status == APR_EOF || length == 0) {
return rtsp_client_on_disconnect(client,rtsp_connection);
}
/* calculate actual length of the stream */
stream->text.length = offset + length;
stream->pos[length] = '\0';
apt_log(RTSP_LOG_MARK,APT_PRIO_INFO,"Receive RTSP Data %s [%"APR_SIZE_T_FMT" bytes]\n%s",
rtsp_connection->id,
length,
stream->pos);
/* reset pos */
apt_text_stream_reset(stream);
do {
msg_status = rtsp_parser_run(rtsp_connection->parser,stream,&message);
if(rtsp_client_message_handler(rtsp_connection,message,msg_status) == FALSE) {
return FALSE;
}
}
while(apt_text_is_eos(stream) == FALSE);
/* scroll remaining stream */
apt_text_stream_scroll(stream);
return TRUE;
}
/* Receive RTSP message through RTSP connection */
static apt_bool_t rtsp_client_message_receive(apt_net_client_task_t *task, apt_net_client_connection_t *connection)
{
rtsp_client_t *client = apt_net_client_task_object_get(task);
rtsp_client_connection_t *rtsp_connection;
apr_status_t status;
apr_size_t offset;
apr_size_t length;
apt_text_stream_t *stream;
if(!connection || !connection->sock) {
return FALSE;
}
rtsp_connection = connection->obj;
stream = &rtsp_connection->rx_stream;
/* init length of the stream */
stream->text.length = sizeof(rtsp_connection->rx_buffer)-1;
/* calculate offset remaining from the previous receive / if any */
offset = stream->pos - stream->text.buf;
/* calculate available length */
length = stream->text.length - offset;
status = apr_socket_recv(connection->sock,stream->pos,&length);
if(status == APR_EOF || length == 0) {
return rtsp_client_on_disconnect(client,rtsp_connection);
}
/* calculate actual length of the stream */
stream->text.length = offset + length;
stream->pos[length] = '\0';
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Receive RTSP Stream %s [%lu bytes]\n%s",
connection->id,
length,
stream->pos);
/* reset pos */
stream->pos = stream->text.buf;
/* walk through the stream parsing RTSP messages */
return rtsp_stream_walk(rtsp_connection->parser,stream,rtsp_client_message_handler,rtsp_connection);
}