diff options
Diffstat (limited to 'branches/1.0/tinyRTP/src/trtp_manager.c')
| -rw-r--r-- | branches/1.0/tinyRTP/src/trtp_manager.c | 518 |
1 files changed, 0 insertions, 518 deletions
diff --git a/branches/1.0/tinyRTP/src/trtp_manager.c b/branches/1.0/tinyRTP/src/trtp_manager.c deleted file mode 100644 index 9b5d6c8..0000000 --- a/branches/1.0/tinyRTP/src/trtp_manager.c +++ /dev/null @@ -1,518 +0,0 @@ -/*
-* Copyright (C) 2009-2010 Mamadou Diop.
-*
-* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
-*
-* This file is part of Open Source Doubango Framework.
-*
-* DOUBANGO is free software: you can redistribute it and/or modify
-* it under the terms of the GNU General Public License as published by
-* the Free Software Foundation, either version 3 of the License, or
-* (at your option) any later version.
-*
-* DOUBANGO is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with DOUBANGO.
-*
-*/
-/**@file trtp_manager.c
- * @brief RTP/RTCP manager.
- *
- * @author Mamadou Diop <diopmamadou(at)doubango.org>
- *
- * @date Created: Sat Nov 8 16:54:58 2009 mdiop
- */
-#include "tinyrtp/trtp_manager.h"
-
-#include "tinyrtp/rtp/trtp_rtp_packet.h"
-
-#include "tsk_string.h"
-#include "tsk_memory.h"
-#include "tsk_debug.h"
-
-#define TINY_RCVBUF (256/2/*Will be doubled and min on linux is 256*/) /* tiny buffer used to disable receiving */
-#define BIG_RCVBUF 64000
-#define BIG_SNDBUF 64000
-
-// TODO: Add support for outbound DTMF (http://www.ietf.org/rfc/rfc2833.txt)
-
-/* ======================= Transport callback ========================== */
-static int trtp_transport_layer_cb(const tnet_transport_event_t* e)
-{
- int ret = -1;
- const trtp_manager_t *manager = e->callback_data;
- trtp_rtp_packet_t* packet = tsk_null;
-
- switch(e->type){
- case event_data: {
- break;
- }
- case event_closed:
- case event_connected:
- default:{
- return 0;
- }
- }
-
- //
- // RTCP
- //
- if(manager->rtcp.local_socket && manager->rtcp.local_socket->fd == e->local_fd){
- TSK_DEBUG_INFO("RTCP packet");
- }
- //
- // RTP
- //
- else if(manager->transport->master && (manager->transport->master->fd == e->local_fd)){
- if(manager->rtp.callback){
- if((packet = trtp_rtp_packet_deserialize(e->data, e->size))){
- manager->rtp.callback(manager->rtp.callback_data, packet);
- TSK_OBJECT_SAFE_FREE(packet);
- }
- else{
- TSK_DEBUG_ERROR("RTP packet === NOK");
- goto bail;
- }
- }
- }
- //
- // UNKNOWN
- //
- else{
- TSK_DEBUG_INFO("XXXX packet");
- goto bail;
- }
-
-bail:
-
- return ret;
-}
-
-
-
-/** Create RTP/RTCP manager */
-trtp_manager_t* trtp_manager_create(tsk_bool_t enable_rtcp, const char* local_ip, tsk_bool_t ipv6)
-{
- trtp_manager_t* manager;
- if((manager = tsk_object_new(trtp_manager_def_t))){
- manager->enable_rtcp = enable_rtcp;
- manager->local_ip = tsk_strdup(local_ip);
- manager->ipv6 = ipv6;
- manager->rtp.payload_type = 127;
- }
- return manager;
-}
-
-/** Prepares the RTP/RTCP manager */
-int trtp_manager_prepare(trtp_manager_t* self)
-{
- uint8_t retry_count = 7;
- tnet_socket_type_t socket_type;
-
- if(!self){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
- if(self->transport){
- TSK_DEBUG_ERROR("RTP/RTCP manager already prepared");
- return -2;
- }
-
- socket_type = self->ipv6 ? tnet_socket_type_udp_ipv6 : tnet_socket_type_udp_ipv4;
-
- /* Creates local rtp and rtcp sockets */
- while(retry_count--){
- /* random number in the range 1024 to 65535 */
-#if 0
- tnet_port_t local_port = 6060;
-#else
- tnet_port_t local_port = ((rand() % 64510) + 1025);
-#endif
- local_port = (local_port & 0xFFFE); /* turn to even number */
-
- /* beacuse failure will cause errors in the log, print a message to alert that there is
- * nothing to worry about */
- TSK_DEBUG_INFO("RTP/RTCP manager[Begin]: Trying to bind to random ports");
-
- /* RTP */
- if((self->transport = tnet_transport_create(self->local_ip, local_port, socket_type, "RTP/RTCP Manager"))){
- /* set callback function */
- tnet_transport_set_callback(self->transport, trtp_transport_layer_cb, self);
- tsk_strupdate(&self->rtp.public_ip, self->transport->master->ip);
- self->rtp.public_port = local_port;
- /* Disable receiving until we start the transport (To avoid buffering) */
- {
- int err, optval = TINY_RCVBUF;
- if((err = setsockopt(self->transport->master->fd, SOL_SOCKET, SO_RCVBUF, (char*)&optval, sizeof(optval)))){
- TNET_PRINT_LAST_ERROR("setsockopt(SOL_SOCKET, SO_RCVBUF) has failed with error code %d", err);
- }
- }
- }
- else {
- TSK_DEBUG_ERROR("Failed to create RTP/RTCP Transport");
- return -3;
- }
-
- /* RTCP */
- if(self->enable_rtcp){
- if(!(self->rtcp.local_socket = tnet_socket_create(self->local_ip, local_port+1, socket_type))){
- TSK_DEBUG_WARN("Failed to bind to %d", local_port+1);
- TSK_OBJECT_SAFE_FREE(self->transport);
- continue;
- }
- else{
- tsk_strupdate(&self->rtcp.public_ip, self->rtcp.local_socket->ip);
- self->rtcp.public_port = local_port + 1;
- }
- }
-
- TSK_DEBUG_INFO("RTP/RTCP manager[End]: Trying to bind to random ports");
- break;
- }
-
- return 0;
-}
-
-/** Indicates whether the manager is already prepared or not */
-tsk_bool_t trtp_manager_is_prepared(trtp_manager_t* self)
-{
- if(!self){
- TSK_DEBUG_ERROR("Invalid parameter");
- return tsk_false;
- }
- return self->transport == tsk_null ? tsk_false : tsk_true;
-}
-
-/** Sets NAT Traversal context */
-int trtp_manager_set_natt_ctx(trtp_manager_t* self, tnet_nat_context_handle_t* natt_ctx)
-{
- int ret;
-
- if(!self || !self->transport){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
- if(!(ret = tnet_transport_set_natt_ctx(self->transport, natt_ctx))){
- tnet_ip_t public_ip = {0};
- tnet_port_t public_port = 0;
- /* get RTP public IP and Port */
- if(!tnet_transport_get_public_ip_n_port(self->transport, self->transport->master->fd, &public_ip, &public_port)){
- tsk_strupdate(&self->rtp.public_ip, public_ip);
- self->rtp.public_port = public_port;
- }
- /* get RTCP public IP and Port */
- memset(public_ip, 0, sizeof(public_ip));
- public_port = 0;
- if(self->rtcp.local_socket && !tnet_transport_get_public_ip_n_port(self->transport, self->rtcp.local_socket->fd, &public_ip, &public_port)){
- tsk_strupdate(&self->rtcp.public_ip, public_ip);
- self->rtcp.public_port = public_port;
- }
- }
- return ret;
-}
-
-/** Sets RTP callback */
-int trtp_manager_set_rtp_callback(trtp_manager_t* self, trtp_manager_rtp_cb_f callback, const void* callback_data)
-{
- if(!self){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- self->rtp.callback = callback;
- self->rtp.callback_data = callback_data;
-
- return 0;
-}
-
-/** Sets the payload type */
-int trtp_manager_set_payload_type(trtp_manager_t* self, uint8_t payload_type)
-{
- if(!self){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
- self->rtp.payload_type = payload_type;
- return 0;
-}
-
-/** Sets remote parameters for rtp session */
-int trtp_manager_set_rtp_remote(trtp_manager_t* self, const char* remote_ip, tnet_port_t remote_port)
-{
- if(!self){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
- tsk_strupdate(&self->rtp.remote_ip, remote_ip);
- self->rtp.remote_port = remote_port;
- return 0;
-}
-
-/** Sets remote parameters for rtcp session */
-int trtp_manager_set_rtcp_remote(trtp_manager_t* self, const char* remote_ip, tnet_port_t remote_port)
-{
- if(!self){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
- tsk_strupdate(&self->rtcp.remote_ip, remote_ip);
- self->rtcp.remote_port = remote_port;
- return 0;
-}
-
-/** Starts the RTP/RTCP manager */
-int trtp_manager_start(trtp_manager_t* self)
-{
- int ret = 0;
-
- if(!self){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- if(self->started){
- TSK_DEBUG_WARN("RTP/RTCP manager already started");
- return 0;
- }
-
- if(!self->transport || !self->transport->master){
- TSK_DEBUG_ERROR("RTP/RTCP manager not prepared");
- return -2;
- }
-
- /* Change RCV and SND buffer sizes */
- {
- char buff[1024];
- int rcv_buf = BIG_RCVBUF, snd_buf = BIG_SNDBUF;
- TSK_DEBUG_INFO("Start flushing RTP socket...");
- // Buffer should be empty ...but who know?
- // rcv() should never block() as we are always using non-blocking sockets
- while ((ret = recv(self->transport->master->fd, buff, sizeof(buff), 0)) > 0){
- TSK_DEBUG_INFO("Flushing RTP Buffer %d", ret);
- }
- TSK_DEBUG_INFO("End flushing RTP socket");
- if((ret = setsockopt(self->transport->master->fd, SOL_SOCKET, SO_RCVBUF, (char*)&rcv_buf, sizeof(rcv_buf)))){
- TNET_PRINT_LAST_ERROR("setsockopt(SOL_SOCKET, SO_RCVBUF) has failed with error code %d", ret);
- return ret;
- }
- if((ret = setsockopt(self->transport->master->fd, SOL_SOCKET, SO_SNDBUF, (char*)&snd_buf, sizeof(snd_buf)))){
- TNET_PRINT_LAST_ERROR("setsockopt(SOL_SOCKET, SO_RCVBUF) has failed with error code %d", ret);
- return ret;
- }
- }
-
- /* start the transport */
- if((ret = tnet_transport_start(self->transport))){
- TSK_DEBUG_ERROR("Failed to start the RTP/RTCP transport");
- return ret;
- }
-
- /* RTP */
- if((ret = tnet_sockaddr_init(self->rtp.remote_ip, self->rtp.remote_port, self->transport->master->type, &self->rtp.remote_addr))){
- tnet_transport_shutdown(self->transport);
- TSK_DEBUG_ERROR("Invalid RTP host:port [%s:%u]", self->rtp.remote_ip, self->rtp.remote_port);
- return ret;
- }
-
- /* RTCP */
- if(self->enable_rtcp){
- if(!self->rtcp.remote_ip){
- self->rtcp.remote_ip = tsk_strdup(self->rtp.remote_ip);
- }
- if(!self->rtcp.remote_port){
- self->rtcp.remote_port = self->rtp.remote_port;
- }
- }
- if(self->enable_rtcp && (ret = tnet_sockaddr_init(self->rtcp.remote_ip, self->rtcp.remote_port, self->rtcp.local_socket->type, &self->rtp.remote_addr))){
- TSK_DEBUG_ERROR("Invalid RTCP host:port [%s:%u]", self->rtcp.remote_ip, self->rtcp.remote_port);
- /* do not exit */
- }
-
- /* add RTCP socket to the transport */
- if(self->enable_rtcp && (ret = tnet_transport_add_socket(self->transport, self->rtcp.local_socket->fd, self->rtcp.local_socket->type, tsk_false, tsk_true/* only Meaningful for tls*/))){
- TSK_DEBUG_ERROR("Failed to add RTCP socket");
- /* do not exit */
- }
-
-
-#if 0
- {
- int flags;
- if((flags = fcntl(self->transport->master->fd, F_GETFL, 0)) < 0) {
- TNET_PRINT_LAST_ERROR("fcntl(F_GETFL) have failed.");
- }
- else{
- if(fcntl(self->transport->master->fd, F_SETFL, flags | O_DIRECT) < 0){
- TNET_PRINT_LAST_ERROR("fcntl(O_DIRECT) have failed.");
- }
- }
- }
-#endif
- self->started = tsk_true;
-
- return 0;
-}
-
-/* Encapsulate raw data into RTP packet and send it over the network
-* Very IMPORTANT: For voice packets, the marker bits indicates the beginning of a talkspurt */
-int trtp_manager_send_rtp(trtp_manager_t* self, const void* data, tsk_size_t size, uint32_t duration, tsk_bool_t marker, tsk_bool_t last_packet)
-{
- trtp_rtp_packet_t* packet;
- tsk_buffer_t* buffer;
- int ret = -1;
-
- if(!self || !data || !size){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- if(!self->started){
- //--TSK_DEBUG_ERROR("RTP/RTCP manager should be started before trying to send data");
- return -2;
- }
-
- /* create packet with header */
- if(!(packet = trtp_rtp_packet_create(self->rtp.ssrc, self->rtp.seq_num++, self->rtp.timestamp, self->rtp.payload_type, marker))){
- return -3;
- }
- if(last_packet){
- self->rtp.timestamp += duration;
- }
-
- /* set data */
-#if 0
- if((packet->payload.data = tsk_calloc(size, sizeof(uint8_t)))){
- memcpy(packet->payload.data, data, size);
- packet->payload.size = size;
- }
-#else
- packet->payload.data_const = data;
- packet->payload.size = size;
-#endif
-
- /* serialize and send over the network */
- if((buffer = trtp_rtp_packet_serialize(packet))){
- if(/* number of bytes sent */tnet_sockfd_sendto(self->transport->master->fd, (const struct sockaddr *)&self->rtp.remote_addr, buffer->data, buffer->size)){
- ret = 0;
- }
- TSK_OBJECT_SAFE_FREE(buffer);
- }
- else{
- TSK_DEBUG_ERROR("Failed to serialize RTP packet");
- ret = -5;
- goto bail;
- }
-
-bail:
- TSK_OBJECT_SAFE_FREE(packet);
- return ret;
-}
-
-int trtp_manager_send_rtp_2(trtp_manager_t* self, const struct trtp_rtp_packet_s* packet)
-{
- tsk_buffer_t* buffer;
- int ret;
-
- if(!self || !packet){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- /* serialize and send over the network */
- if((buffer = trtp_rtp_packet_serialize(packet))){
- if(/* number of bytes sent */tnet_sockfd_sendto(self->transport->master->fd, (const struct sockaddr *)&self->rtp.remote_addr, buffer->data, buffer->size)){
- ret = 0;
- }
- TSK_OBJECT_SAFE_FREE(buffer);
- }
- else{
- TSK_DEBUG_ERROR("Failed to serialize RTP packet");
- ret = -5;
- }
- return ret;
-}
-
-/** Stops the RTP/RTCP manager */
-int trtp_manager_stop(trtp_manager_t* self)
-{
- int ret;
-
- if(!self){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- if(!self->started){
- TSK_DEBUG_WARN("RTP/RTCP manager not started");
- return 0;
- }
-
- if(!self->transport){
- TSK_DEBUG_ERROR("RTP/RTCP manager not prepared");
- return -2;
- }
-
- if(!(ret = tnet_transport_shutdown(self->transport))){
- self->started = tsk_false;
- }
-
- return ret;
-}
-
-
-
-
-//=================================================================================================
-// RTP manager object definition
-//
-static tsk_object_t* trtp_manager_ctor(tsk_object_t * self, va_list * app)
-{
- trtp_manager_t *manager = self;
- if(manager){
- /* rtp */
- manager->rtp.timestamp = rand()^rand();
- manager->rtp.seq_num = rand()^rand();
- manager->rtp.ssrc = rand()^rand();
-
- /* rtcp */
- }
- return self;
-}
-
-static tsk_object_t* trtp_manager_dtor(tsk_object_t * self)
-{
- trtp_manager_t *manager = self;
- if(manager){
- /* stop */
- if(manager->started){
- trtp_manager_stop(manager);
- }
-
- /* rtp */
- TSK_FREE(manager->rtp.remote_ip);
- TSK_FREE(manager->rtp.public_ip);
-
- /* rtcp */
- TSK_FREE(manager->rtcp.remote_ip);
- TSK_FREE(manager->rtcp.public_ip);
- TSK_OBJECT_SAFE_FREE(manager->rtcp.local_socket);
-
- TSK_FREE(manager->local_ip);
- TSK_OBJECT_SAFE_FREE(manager->transport);
- }
-
- return self;
-}
-
-static const tsk_object_def_t trtp_manager_def_s =
-{
- sizeof(trtp_manager_t),
- trtp_manager_ctor,
- trtp_manager_dtor,
- tsk_null,
-};
-const tsk_object_def_t *trtp_manager_def_t = &trtp_manager_def_s;
|
