/* Receive MRCP message through TCP/MRCPv2 connection */
static apt_bool_t mrcp_client_poller_signal_process(void *obj, const apr_pollfd_t *descriptor)
{
mrcp_connection_agent_t *agent = obj;
mrcp_connection_t *connection = descriptor->client_data;
apr_status_t status;
apr_size_t offset;
apr_size_t length;
apt_text_stream_t *stream;
mrcp_message_t *message;
apt_message_status_e msg_status;
if(!connection || !connection->sock) {
return FALSE;
}
stream = &connection->rx_stream;
/* calculate offset remaining from the previous receive / if any */
offset = stream->pos - stream->text.buf;
/* calculate available length */
length = connection->rx_buffer_size - offset;
status = apr_socket_recv(connection->sock,stream->pos,&length);
if(status == APR_EOF || length == 0) {
apt_pollset_t *pollset = apt_poller_task_pollset_get(agent->task);
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"TCP/MRCPv2 Peer Disconnected %s",connection->id);
if(pollset) {
apt_pollset_remove(pollset,&connection->sock_pfd);
}
apr_socket_close(connection->sock);
connection->sock = NULL;
mrcp_client_agent_disconnect_raise(agent,connection);
return TRUE;
}
/* calculate actual length of the stream */
stream->text.length = offset + length;
stream->pos[length] = '\0';
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Receive MRCPv2 Stream %s [%"APR_SIZE_T_FMT" bytes]\n%.*s",
connection->id,
length,
connection->verbose == TRUE ? length : 0,
stream->pos);
/* reset pos */
apt_text_stream_reset(stream);
do {
msg_status = mrcp_parser_run(connection->parser,stream,&message);
if(mrcp_client_message_handler(connection,message,msg_status) == FALSE) {
return FALSE;
}
}
while(apt_text_is_eos(stream) == FALSE);
/* scroll remaining stream */
apt_text_stream_scroll(stream);
return TRUE;
}
static apt_bool_t test_file_process(apt_test_suite_t *suite, const char *file_path)
{
apr_file_t *file;
char buffer[500];
apt_text_stream_t stream;
rtsp_parser_t *parser;
rtsp_generator_t *generator;
apr_size_t length;
apr_size_t offset;
rtsp_message_t *message;
apt_message_status_e msg_status;
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Open File [%s]",file_path);
if(apr_file_open(&file,file_path,APR_FOPEN_READ | APR_FOPEN_BINARY,APR_OS_DEFAULT,suite->pool) != APR_SUCCESS) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Open File");
return FALSE;
}
parser = rtsp_parser_create(suite->pool);
generator = rtsp_generator_create(suite->pool);
apt_text_stream_init(&stream,buffer,sizeof(buffer)-1);
do {
/* calculate offset remaining from the previous receive / if any */
offset = stream.pos - stream.text.buf;
/* calculate available length */
length = sizeof(buffer) - 1 - offset;
if(apr_file_read(file,stream.pos,&length) != APR_SUCCESS) {
break;
}
/* calculate actual length of the stream */
stream.text.length = offset + length;
stream.pos[length] = '\0';
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Parse RTSP Stream [%"APR_SIZE_T_FMT" bytes]\n%s",length,stream.pos);
/* reset pos */
apt_text_stream_reset(&stream);
do {
msg_status = rtsp_parser_run(parser,&stream,&message);
rtsp_message_handler(generator,message,msg_status);
}
while(apt_text_is_eos(&stream) == FALSE);
/* scroll remaining stream */
apt_text_stream_scroll(&stream);
}
while(apr_file_eof(file) != APR_EOF);
apr_file_close(file);
return TRUE;
}
/* Receive RTSP message through RTSP connection */
static apt_bool_t rtsp_server_poller_signal_process(void *obj, const apr_pollfd_t *descriptor)
{
rtsp_server_t *server = obj;
rtsp_server_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(descriptor->desc.s == server->listen_sock) {
apt_log(RTSP_LOG_MARK,APT_PRIO_DEBUG,"Accept Connection");
return rtsp_server_connection_accept(server);
}
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) {
apt_log(RTSP_LOG_MARK,APT_PRIO_INFO,"RTSP Peer Disconnected %s",rtsp_connection->id);
return rtsp_server_connection_close(server,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);
rtsp_server_message_handler(rtsp_connection,message,msg_status);
}
while(apt_text_is_eos(stream) == FALSE);
/* scroll remaining stream */
apt_text_stream_scroll(stream);
return TRUE;
}
/** Walk through MRCP stream and invoke message handler for each parsed message */
MRCP_DECLARE(apt_bool_t) mrcp_stream_walk(mrcp_parser_t *parser, apt_text_stream_t *stream, mrcp_message_handler_f handler, void *obj)
{
mrcp_stream_result_e result;
if(parser->skip_lf == TRUE) {
/* skip <LF> occurred as a result of message segmentation between <CR> and <LF> */
apt_text_char_skip(stream,APT_TOKEN_LF);
parser->skip_lf = FALSE;
}
do {
result = mrcp_parser_run(parser,stream);
if(result == MRCP_STREAM_MESSAGE_COMPLETE) {
/* message is completely parsed */
apt_log(APT_LOG_MARK,APT_PRIO_DEBUG,"Parsed MRCP Message [%lu]", stream->pos - stream->text.buf);
/* invoke message handler */
handler(obj,parser->message,result);
}
else if(result == MRCP_STREAM_MESSAGE_TRUNCATED) {
/* message is partially parsed, to be continued */
apt_log(APT_LOG_MARK,APT_PRIO_DEBUG,"Truncated MRCP Message [%lu]", stream->pos - stream->text.buf);
/* prepare stream for further processing */
if(apt_text_stream_scroll(stream) == TRUE) {
apt_log(APT_LOG_MARK,APT_PRIO_DEBUG,"Scroll MRCP Stream", stream->text.buf);
}
return TRUE;
}
else if(result == MRCP_STREAM_MESSAGE_INVALID){
/* error case */
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Parse MRCP Message");
/* invoke message handler */
handler(obj,parser->message,result);
/* reset stream pos */
stream->pos = stream->text.buf;
return FALSE;
}
}
while(apt_text_is_eos(stream) == FALSE);
/* reset stream pos */
stream->pos = stream->text.buf;
return TRUE;
}
