mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-12-29 01:16:20 -05:00
532 lines
14 KiB
C++
532 lines
14 KiB
C++
/****************************************************************
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* RetroShare is distributed under the following license:
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*
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* Copyright (C) 2015
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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****************************************************************/
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#include <stdexcept>
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#include "serialiser/rsbaseserial.h"
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#include "serialiser/rstlvbase.h"
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#include "services/rsVOIPItems.h"
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/***
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#define RSSERIAL_DEBUG 1
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***/
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#include <iostream>
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/*************************************************************************/
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std::ostream& RsVOIPPingItem::print(std::ostream &out, uint16_t indent)
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{
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printRsItemBase(out, "RsVOIPPingItem", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "SeqNo: " << mSeqNo << std::endl;
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printIndent(out, int_Indent);
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out << "PingTS: " << std::hex << mPingTS << std::dec << std::endl;
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printRsItemEnd(out, "RsVOIPPingItem", indent);
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return out;
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}
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std::ostream& RsVOIPPongItem::print(std::ostream &out, uint16_t indent)
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{
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printRsItemBase(out, "RsVOIPPongItem", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "SeqNo: " << mSeqNo << std::endl;
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printIndent(out, int_Indent);
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out << "PingTS: " << std::hex << mPingTS << std::dec << std::endl;
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printIndent(out, int_Indent);
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out << "PongTS: " << std::hex << mPongTS << std::dec << std::endl;
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printRsItemEnd(out, "RsVOIPPongItem", indent);
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return out;
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}
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std::ostream& RsVOIPProtocolItem::print(std::ostream &out, uint16_t indent)
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{
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printRsItemBase(out, "RsVOIPProtocolItem", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "flags: " << flags << std::endl;
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printIndent(out, int_Indent);
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out << "protocol: " << std::hex << (uint32_t)protocol << std::dec << std::endl;
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printRsItemEnd(out, "RsVOIPProtocolItem", indent);
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return out;
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}
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std::ostream& RsVOIPBandwidthItem::print(std::ostream &out, uint16_t indent)
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{
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printRsItemBase(out, "RsVOIPBandwidthItem", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "flags: " << std::hex << flags << std::dec << std::endl;
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printIndent(out, int_Indent);
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out << "speed: " << bytes_per_sec << std::endl;
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printRsItemEnd(out, "RsVOIPBandwidthItem", indent);
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return out;
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}
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std::ostream& RsVOIPDataItem::print(std::ostream &out, uint16_t indent)
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{
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printRsItemBase(out, "RsVOIPDataItem", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "flags: " << flags << std::endl;
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printIndent(out, int_Indent);
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out << "data size: " << std::hex << data_size << std::dec << std::endl;
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printRsItemEnd(out, "RsVOIPDataItem", indent);
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return out;
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}
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/*************************************************************************/
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uint32_t RsVOIPDataItem::serial_size() const
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{
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uint32_t s = 8; /* header */
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s += 4; /* flags */
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s += 4; /* data_size */
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s += data_size; /* data */
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return s;
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}
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uint32_t RsVOIPBandwidthItem::serial_size() const
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{
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uint32_t s = 8; /* header */
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s += 4; /* flags */
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s += 4; /* bandwidth */
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return s;
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}
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uint32_t RsVOIPProtocolItem::serial_size() const
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{
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uint32_t s = 8; /* header */
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s += 4; /* flags */
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s += 4; /* protocol */
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return s;
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}
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uint32_t RsVOIPPingItem::serial_size() const
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{
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uint32_t s = 8; /* header */
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s += 4; /* seqno */
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s += 8; /* pingTS */
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return s;
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}
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bool RsVOIPProtocolItem::serialise(void *data, uint32_t& pktsize)
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{
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uint32_t tlvsize = serial_size() ;
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uint32_t offset = 0;
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if (pktsize < tlvsize)
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return false; /* not enough space */
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pktsize = tlvsize;
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bool ok = true;
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ok &= setRsItemHeader(data, tlvsize, PacketId(), tlvsize);
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsVOIPSerialiser::serialiseVOIPDataItem() Header: " << ok << std::endl;
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std::cerr << "RsVOIPSerialiser::serialiseVOIPDataItem() Size: " << tlvsize << std::endl;
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#endif
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/* skip the header */
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offset += 8;
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/* add mandatory parts first */
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ok &= setRawUInt32(data, tlvsize, &offset, (uint32_t)protocol);
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ok &= setRawUInt32(data, tlvsize, &offset, flags);
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if (offset != tlvsize)
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{
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ok = false;
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std::cerr << "RsVOIPSerialiser::serialiseVOIPPingItem() Size Error! " << std::endl;
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}
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return ok;
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}
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bool RsVOIPBandwidthItem::serialise(void *data, uint32_t& pktsize)
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{
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uint32_t tlvsize = serial_size() ;
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uint32_t offset = 0;
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if (pktsize < tlvsize)
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return false; /* not enough space */
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pktsize = tlvsize;
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bool ok = true;
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ok &= setRsItemHeader(data, tlvsize, PacketId(), tlvsize);
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsVOIPSerialiser::serialiseVOIPBandwidthItem() Header: " << ok << std::endl;
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std::cerr << "RsVOIPSerialiser::serialiseVOIPBandwidthItem() Size: " << tlvsize << std::endl;
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#endif
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/* skip the header */
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offset += 8;
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/* add mandatory parts first */
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ok &= setRawUInt32(data, tlvsize, &offset, flags);
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ok &= setRawUInt32(data, tlvsize, &offset, bytes_per_sec);
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if (offset != tlvsize)
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{
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ok = false;
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std::cerr << "RsVOIPSerialiser::serialiseVOIPBandwidthItem() Size Error! " << std::endl;
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}
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return ok;
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}
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/* serialise the data to the buffer */
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bool RsVOIPDataItem::serialise(void *data, uint32_t& pktsize)
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{
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uint32_t tlvsize = serial_size() ;
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uint32_t offset = 0;
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if (pktsize < tlvsize)
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return false; /* not enough space */
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pktsize = tlvsize;
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bool ok = true;
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ok &= setRsItemHeader(data, tlvsize, PacketId(), tlvsize);
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsVOIPSerialiser::serialiseVOIPDataItem() Header: " << ok << std::endl;
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std::cerr << "RsVOIPSerialiser::serialiseVOIPDataItem() Size: " << tlvsize << std::endl;
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#endif
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/* skip the header */
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offset += 8;
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/* add mandatory parts first */
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ok &= setRawUInt32(data, tlvsize, &offset, flags);
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ok &= setRawUInt32(data, tlvsize, &offset, data_size);
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memcpy( &((uint8_t*)data)[offset],voip_data,data_size) ;
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offset += data_size ;
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if (offset != tlvsize)
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{
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ok = false;
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std::cerr << "RsVOIPSerialiser::serialiseVOIPPingItem() Size Error! " << std::endl;
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}
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return ok;
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}
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/* serialise the data to the buffer */
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bool RsVOIPPingItem::serialise(void *data, uint32_t& pktsize)
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{
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uint32_t tlvsize = serial_size() ;
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uint32_t offset = 0;
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if (pktsize < tlvsize)
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return false; /* not enough space */
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pktsize = tlvsize;
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bool ok = true;
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ok &= setRsItemHeader(data, tlvsize, PacketId(), tlvsize);
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsVOIPSerialiser::serialiseVOIPPingItem() Header: " << ok << std::endl;
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std::cerr << "RsVOIPSerialiser::serialiseVOIPPingItem() Size: " << tlvsize << std::endl;
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#endif
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/* skip the header */
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offset += 8;
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/* add mandatory parts first */
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ok &= setRawUInt32(data, tlvsize, &offset, mSeqNo);
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ok &= setRawUInt64(data, tlvsize, &offset, mPingTS);
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if (offset != tlvsize)
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{
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ok = false;
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std::cerr << "RsVOIPSerialiser::serialiseVOIPPingItem() Size Error! " << std::endl;
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}
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return ok;
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}
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RsVOIPProtocolItem::RsVOIPProtocolItem(void *data, uint32_t pktsize)
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: RsVOIPItem(RS_PKT_SUBTYPE_VOIP_PROTOCOL)
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{
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/* get the type and size */
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uint32_t rstype = getRsItemId(data);
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uint32_t rssize = getRsItemSize(data);
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uint32_t offset = 0;
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if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) || (RS_SERVICE_TYPE_VOIP_PLUGIN != getRsItemService(rstype)) || (RS_PKT_SUBTYPE_VOIP_PROTOCOL != getRsItemSubType(rstype)))
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throw std::runtime_error("Wrong packet type!") ;
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if (pktsize < rssize) /* check size */
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throw std::runtime_error("Not enough size!") ;
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bool ok = true;
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/* skip the header */
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offset += 8;
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/* get mandatory parts first */
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uint32_t uint_Protocol;
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ok &= getRawUInt32(data, rssize, &offset, &uint_Protocol);
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protocol = static_cast<en_Protocol>(uint_Protocol);
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ok &= getRawUInt32(data, rssize, &offset, &flags);
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if (offset != rssize)
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throw std::runtime_error("Deserialisation error!") ;
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if (!ok)
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throw std::runtime_error("Deserialisation error!") ;
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}
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RsVOIPBandwidthItem::RsVOIPBandwidthItem(void *data, uint32_t pktsize)
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: RsVOIPItem(RS_PKT_SUBTYPE_VOIP_BANDWIDTH)
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{
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/* get the type and size */
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uint32_t rstype = getRsItemId(data);
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uint32_t rssize = getRsItemSize(data);
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uint32_t offset = 0;
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if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) || (RS_SERVICE_TYPE_VOIP_PLUGIN != getRsItemService(rstype)) || (RS_PKT_SUBTYPE_VOIP_BANDWIDTH != getRsItemSubType(rstype)))
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throw std::runtime_error("Wrong packet type!") ;
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if (pktsize < rssize) /* check size */
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throw std::runtime_error("Not enough size!") ;
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bool ok = true;
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/* skip the header */
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offset += 8;
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/* get mandatory parts first */
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ok &= getRawUInt32(data, rssize, &offset, &flags);
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ok &= getRawUInt32(data, rssize, &offset, &bytes_per_sec);
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if (offset != rssize)
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throw std::runtime_error("Deserialisation error!") ;
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if (!ok)
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throw std::runtime_error("Deserialisation error!") ;
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}
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RsVOIPPingItem::RsVOIPPingItem(void *data, uint32_t pktsize)
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: RsVOIPItem(RS_PKT_SUBTYPE_VOIP_PING)
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{
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/* get the type and size */
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uint32_t rstype = getRsItemId(data);
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uint32_t rssize = getRsItemSize(data);
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uint32_t offset = 0;
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if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) || (RS_SERVICE_TYPE_VOIP_PLUGIN != getRsItemService(rstype)) || (RS_PKT_SUBTYPE_VOIP_PING != getRsItemSubType(rstype)))
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throw std::runtime_error("Wrong packet type!") ;
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if (pktsize < rssize) /* check size */
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throw std::runtime_error("Not enough size!") ;
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bool ok = true;
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/* skip the header */
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offset += 8;
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/* get mandatory parts first */
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ok &= getRawUInt32(data, rssize, &offset, &mSeqNo);
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ok &= getRawUInt64(data, rssize, &offset, &mPingTS);
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if (offset != rssize)
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throw std::runtime_error("Deserialisation error!") ;
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if (!ok)
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throw std::runtime_error("Deserialisation error!") ;
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}
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/*************************************************************************/
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/*************************************************************************/
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uint32_t RsVOIPPongItem::serial_size() const
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{
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uint32_t s = 8; /* header */
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s += 4; /* seqno */
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s += 8; /* pingTS */
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s += 8; /* pongTS */
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return s;
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}
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/* serialise the data to the buffer */
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bool RsVOIPPongItem::serialise(void *data, uint32_t& pktsize)
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{
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uint32_t tlvsize = serial_size() ;
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uint32_t offset = 0;
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if (pktsize < tlvsize)
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return false; /* not enough space */
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pktsize = tlvsize;
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bool ok = true;
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ok &= setRsItemHeader(data, tlvsize, PacketId(), tlvsize);
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsVOIPSerialiser::serialiseVOIPPongItem() Header: " << ok << std::endl;
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std::cerr << "RsVOIPSerialiser::serialiseVOIPPongItem() Size: " << tlvsize << std::endl;
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#endif
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/* skip the header */
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offset += 8;
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/* add mandatory parts first */
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ok &= setRawUInt32(data, tlvsize, &offset, mSeqNo);
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ok &= setRawUInt64(data, tlvsize, &offset, mPingTS);
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ok &= setRawUInt64(data, tlvsize, &offset, mPongTS);
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if (offset != tlvsize)
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{
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ok = false;
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std::cerr << "RsVOIPSerialiser::serialiseVOIPPongItem() Size Error! " << std::endl;
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}
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return ok;
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}
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RsVOIPDataItem::RsVOIPDataItem(void *data, uint32_t pktsize)
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: RsVOIPItem(RS_PKT_SUBTYPE_VOIP_DATA)
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{
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/* get the type and size */
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uint32_t rstype = getRsItemId(data);
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uint32_t rssize = getRsItemSize(data);
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uint32_t offset = 0;
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if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) || (RS_SERVICE_TYPE_VOIP_PLUGIN != getRsItemService(rstype)) || (RS_PKT_SUBTYPE_VOIP_DATA != getRsItemSubType(rstype)))
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throw std::runtime_error("Wrong packet subtype") ;
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if (pktsize < rssize) /* check size */
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throw std::runtime_error("Not enough space") ;
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bool ok = true;
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/* skip the header */
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offset += 8;
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/* get mandatory parts first */
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ok &= getRawUInt32(data, rssize, &offset, &flags);
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ok &= getRawUInt32(data, rssize, &offset, &data_size);
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if(data_size > rssize || rssize - data_size < offset)
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throw std::runtime_error("Not enough space.") ;
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voip_data = malloc(data_size) ;
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memcpy(voip_data,&((uint8_t*)data)[offset],data_size) ;
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offset += data_size ;
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if (offset != rssize)
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throw std::runtime_error("Serialization error.") ;
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if (!ok)
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throw std::runtime_error("Serialization error.") ;
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}
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RsVOIPPongItem::RsVOIPPongItem(void *data, uint32_t pktsize)
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: RsVOIPItem(RS_PKT_SUBTYPE_VOIP_PONG)
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{
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/* get the type and size */
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uint32_t rstype = getRsItemId(data);
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uint32_t rssize = getRsItemSize(data);
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uint32_t offset = 0;
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if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) || (RS_SERVICE_TYPE_VOIP_PLUGIN != getRsItemService(rstype)) || (RS_PKT_SUBTYPE_VOIP_PONG != getRsItemSubType(rstype)))
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throw std::runtime_error("Wrong packet subtype") ;
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if (pktsize < rssize) /* check size */
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throw std::runtime_error("Not enough space") ;
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bool ok = true;
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/* skip the header */
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offset += 8;
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/* get mandatory parts first */
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ok &= getRawUInt32(data, rssize, &offset, &mSeqNo);
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ok &= getRawUInt64(data, rssize, &offset, &mPingTS);
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ok &= getRawUInt64(data, rssize, &offset, &mPongTS);
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if (offset != rssize)
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throw std::runtime_error("Serialization error.") ;
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if (!ok)
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throw std::runtime_error("Serialization error.") ;
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}
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/*************************************************************************/
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RsItem* RsVOIPSerialiser::deserialise(void *data, uint32_t *pktsize)
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{
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsVOIPSerialiser::deserialise()" << std::endl;
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#endif
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/* get the type and size */
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uint32_t rstype = getRsItemId(data);
|
|
|
|
if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) || (RS_SERVICE_TYPE_VOIP_PLUGIN != getRsItemService(rstype)))
|
|
return NULL ;
|
|
|
|
try
|
|
{
|
|
switch(getRsItemSubType(rstype))
|
|
{
|
|
case RS_PKT_SUBTYPE_VOIP_PING: return new RsVOIPPingItem(data, *pktsize);
|
|
case RS_PKT_SUBTYPE_VOIP_PONG: return new RsVOIPPongItem(data, *pktsize);
|
|
case RS_PKT_SUBTYPE_VOIP_PROTOCOL: return new RsVOIPProtocolItem(data, *pktsize);
|
|
case RS_PKT_SUBTYPE_VOIP_DATA: return new RsVOIPDataItem(data, *pktsize);
|
|
|
|
default:
|
|
return NULL;
|
|
}
|
|
}
|
|
catch(std::exception& e)
|
|
{
|
|
std::cerr << "RsVOIPSerialiser: deserialization error: " << e.what() << std::endl;
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
/*************************************************************************/
|
|
|