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/*
* Copyright (C) 2012 Doubango Telecom <http://www.doubango.org>
*
* 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.
*
*/
#include "tinyrtp/rtcp/trtp_rtcp_report_rr.h"
#include "tinyrtp/rtcp/trtp_rtcp_header.h"
#include "tnet_endianness.h"
#include "tsk_debug.h"
#define TRTP_RTCP_PACKET_RR_MIN_SIZE (TRTP_RTCP_HEADER_SIZE + 4)
static tsk_object_t* trtp_rtcp_report_rr_ctor(tsk_object_t * self, va_list * app)
{
trtp_rtcp_report_rr_t *rr = self;
if(rr){
rr->packets = tsk_list_create();
rr->blocks = tsk_list_create();
}
return self;
}
static tsk_object_t* trtp_rtcp_report_rr_dtor(tsk_object_t * self)
{
trtp_rtcp_report_rr_t *rr = self;
if(rr){
// deinit self
TSK_OBJECT_SAFE_FREE(rr->packets);
TSK_OBJECT_SAFE_FREE(rr->blocks);
// deinit base
trtp_rtcp_packet_deinit(TRTP_RTCP_PACKET(rr));
}
return self;
}
static const tsk_object_def_t trtp_rtcp_report_rr_def_s =
{
sizeof(trtp_rtcp_report_rr_t),
trtp_rtcp_report_rr_ctor,
trtp_rtcp_report_rr_dtor,
tsk_null,
};
const tsk_object_def_t *trtp_rtcp_report_rr_def_t = &trtp_rtcp_report_rr_def_s;
trtp_rtcp_report_rr_t* trtp_rtcp_report_rr_create_null()
{
trtp_rtcp_report_rr_t* rr;
if((rr = (trtp_rtcp_report_rr_t*)tsk_object_new(trtp_rtcp_report_rr_def_t))){
trtp_rtcp_packet_init(TRTP_RTCP_PACKET(rr), TRTP_RTCP_HEADER_VERSION_DEFAULT, 0, 0, trtp_rtcp_packet_type_rr, (TRTP_RTCP_HEADER_SIZE + 4));
}
return rr;
}
trtp_rtcp_report_rr_t* trtp_rtcp_report_rr_create(trtp_rtcp_header_t* header)
{
trtp_rtcp_report_rr_t* rr;
if((rr = (trtp_rtcp_report_rr_t*)tsk_object_new(trtp_rtcp_report_rr_def_t))){
TRTP_RTCP_PACKET(rr)->header = tsk_object_ref(header);
}
return rr;
}
trtp_rtcp_report_rr_t* trtp_rtcp_report_rr_create_2(uint32_t ssrc)
{
trtp_rtcp_report_rr_t* rr;
if((rr = trtp_rtcp_report_rr_create_null())){
rr->ssrc = ssrc;
}
return rr;
}
trtp_rtcp_report_rr_t* trtp_rtcp_report_rr_deserialize(const void* data, tsk_size_t _size)
{
trtp_rtcp_report_rr_t* rr = tsk_null;
trtp_rtcp_header_t* header = tsk_null;
const uint8_t* pdata = (const uint8_t*)data;
int32_t size = (int32_t)_size;
if(!data || size < TRTP_RTCP_PACKET_RR_MIN_SIZE){
TSK_DEBUG_ERROR("Invalid parameter");
return tsk_null;
}
if(!(header = trtp_rtcp_header_deserialize(pdata, size))){
TSK_DEBUG_ERROR("Failed to deserialize the header");
goto bail;
}
if(header->length_in_bytes < TRTP_RTCP_PACKET_RR_MIN_SIZE){
TSK_DEBUG_ERROR("Too short");
goto bail;
}
if(!(rr = trtp_rtcp_report_rr_create(header))){
TSK_DEBUG_ERROR("Failed to create object");
goto bail;
}
rr->ssrc = (uint32_t)tnet_ntohl_2(&pdata[4]);
pdata += (TRTP_RTCP_HEADER_SIZE + 4);
size -= (TRTP_RTCP_HEADER_SIZE + 4);
// Blocks
if(header->rc > 0){
tsk_size_t i = 0;
trtp_rtcp_rblock_t* rblock;
while(i++ < header->rc && size >= TRTP_RTCP_RBLOCK_SIZE){
if((rblock = trtp_rtcp_rblock_deserialize(pdata, size))){
tsk_list_push_back_data(rr->blocks, (void**)&rblock);
}
pdata += TRTP_RTCP_RBLOCK_SIZE;
size -= TRTP_RTCP_RBLOCK_SIZE;
}
}
// Other Packets
while(size > TRTP_RTCP_HEADER_SIZE){
trtp_rtcp_packet_t* packet;
if((packet = trtp_rtcp_packet_deserialize(pdata, size))){
if((size -= packet->header->length_in_bytes) > 0){
pdata += packet->header->length_in_bytes;
}
tsk_list_push_back_data(rr->packets, (void**)&packet);
continue;
}
break;
}
bail:
TSK_OBJECT_SAFE_FREE(header);
return rr;
}
int trtp_rtcp_report_rr_serialize_to(const trtp_rtcp_report_rr_t* self, void* data, tsk_size_t size)
{
int ret;
const tsk_list_item_t* item;
uint8_t* pdata = (uint8_t*)data;
if(!self || !data || size < trtp_rtcp_report_rr_get_size(self)){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if((ret = trtp_rtcp_header_serialize_to(TRTP_RTCP_PACKET(self)->header, pdata, size))){
TSK_DEBUG_ERROR("Failed to serialize the header");
return ret;
}
pdata[TRTP_RTCP_HEADER_SIZE] = self->ssrc >> 24;
pdata[TRTP_RTCP_HEADER_SIZE + 1] = (self->ssrc >> 16) & 0xFF;
pdata[TRTP_RTCP_HEADER_SIZE + 2] = (self->ssrc >> 8) & 0xFF;
pdata[TRTP_RTCP_HEADER_SIZE + 3] = (self->ssrc & 0xFF);
pdata += (TRTP_RTCP_HEADER_SIZE + 4);
size -= (TRTP_RTCP_HEADER_SIZE + 4);
if(TRTP_RTCP_PACKET(self)->header->rc > 0){
tsk_list_foreach(item, self->blocks){
if(!item->data){
continue;
}
if((ret = trtp_rtcp_rblock_serialize_to(TRTP_RTCP_RBLOCK(item->data), pdata, size))){
TSK_DEBUG_ERROR("Failed to serialize the rblock");
goto bail;
}
pdata += TRTP_RTCP_RBLOCK_SIZE;
size -= TRTP_RTCP_RBLOCK_SIZE;
}
}
tsk_list_foreach(item, self->packets){
if(!item->data){
continue;
}
if((ret = trtp_rtcp_packet_serialize_to(TRTP_RTCP_PACKET(item->data), pdata, size))){
TSK_DEBUG_ERROR("Failed to serialize packet");
goto bail;
}
pdata += TRTP_RTCP_PACKET(item->data)->header->length_in_bytes;
size -= TRTP_RTCP_PACKET(item->data)->header->length_in_bytes;
}
bail:
return ret;
}
tsk_size_t trtp_rtcp_report_rr_get_size(const trtp_rtcp_report_rr_t* self)
{
tsk_size_t size;
const tsk_list_item_t* item;
if(!self || !TRTP_RTCP_PACKET(self)->header){
TSK_DEBUG_ERROR("Invalid parameter");
return 0;
}
size = TRTP_RTCP_PACKET(self)->header->length_in_bytes;
if(TRTP_RTCP_PACKET(self)->header->rc > 0){
tsk_list_foreach(item, self->blocks){
if(item->data){
size += TRTP_RTCP_RBLOCK_SIZE;
}
}
}
tsk_list_foreach(item, self->packets){
if(item->data && TRTP_RTCP_PACKET(item->data)->header){
size += TRTP_RTCP_PACKET(item->data)->header->length_in_bytes;
}
}
return size;
}
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