mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-10-01 02:35:48 -04:00
0d4feb89b4
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4962 b45a01b8-16f6-495d-af2f-9b41ad6348cc
374 lines
8.2 KiB
C++
374 lines
8.2 KiB
C++
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/*
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* libretroshare/src/serialiser: rsvoipitems.cc
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*
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* RetroShare Serialiser.
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*
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* Copyright 2011 by Robert Fernie.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License Version 2 as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA.
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*
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* Please report all bugs and problems to "retroshare@lunamutt.com".
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*
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*/
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#include "serialiser/rsbaseserial.h"
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#include "serialiser/rsvoipitems.h"
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#include "serialiser/rstlvbase.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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RsVoipPingItem::~RsVoipPingItem()
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{
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return;
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}
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void RsVoipPingItem::clear()
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{
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mSeqNo = 0;
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mPingTS = 0;
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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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RsVoipPongItem::~RsVoipPongItem()
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{
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return;
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}
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void RsVoipPongItem::clear()
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{
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mSeqNo = 0;
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mPingTS = 0;
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mPongTS = 0;
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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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/*************************************************************************/
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uint32_t RsVoipSerialiser::sizeVoipPingItem(RsVoipPingItem */*item*/)
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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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/* serialise the data to the buffer */
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bool RsVoipSerialiser::serialiseVoipPingItem(RsVoipPingItem *item, void *data, uint32_t *pktsize)
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{
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uint32_t tlvsize = sizeVoipPingItem(item);
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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, item->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, item->mSeqNo);
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ok &= setRawUInt64(data, tlvsize, &offset, item->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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RsVoipPingItem *RsVoipSerialiser::deserialiseVoipPingItem(void *data, uint32_t *pktsize)
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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)) ||
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(RS_SERVICE_TYPE_VOIP != getRsItemService(rstype)) ||
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(RS_PKT_SUBTYPE_VOIP_PING != getRsItemSubType(rstype)))
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{
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return NULL; /* wrong type */
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}
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if (*pktsize < rssize) /* check size */
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return NULL; /* not enough data */
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/* set the packet length */
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*pktsize = rssize;
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bool ok = true;
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/* ready to load */
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RsVoipPingItem *item = new RsVoipPingItem();
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item->clear();
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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, &(item->mSeqNo));
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ok &= getRawUInt64(data, rssize, &offset, &(item->mPingTS));
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if (offset != rssize)
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{
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/* error */
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delete item;
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return NULL;
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}
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if (!ok)
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{
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delete item;
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return NULL;
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}
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return item;
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}
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/*************************************************************************/
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/*************************************************************************/
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uint32_t RsVoipSerialiser::sizeVoipPongItem(RsVoipPongItem */*item*/)
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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 RsVoipSerialiser::serialiseVoipPongItem(RsVoipPongItem *item, void *data, uint32_t *pktsize)
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{
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uint32_t tlvsize = sizeVoipPongItem(item);
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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, item->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, item->mSeqNo);
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ok &= setRawUInt64(data, tlvsize, &offset, item->mPingTS);
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ok &= setRawUInt64(data, tlvsize, &offset, item->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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RsVoipPongItem *RsVoipSerialiser::deserialiseVoipPongItem(void *data, uint32_t *pktsize)
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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)) ||
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(RS_SERVICE_TYPE_VOIP != getRsItemService(rstype)) ||
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(RS_PKT_SUBTYPE_VOIP_PONG != getRsItemSubType(rstype)))
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{
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return NULL; /* wrong type */
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}
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if (*pktsize < rssize) /* check size */
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return NULL; /* not enough data */
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/* set the packet length */
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*pktsize = rssize;
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bool ok = true;
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/* ready to load */
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RsVoipPongItem *item = new RsVoipPongItem();
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item->clear();
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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, &(item->mSeqNo));
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ok &= getRawUInt64(data, rssize, &offset, &(item->mPingTS));
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ok &= getRawUInt64(data, rssize, &offset, &(item->mPongTS));
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if (offset != rssize)
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{
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/* error */
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delete item;
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return NULL;
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}
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if (!ok)
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{
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delete item;
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return NULL;
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}
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return item;
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}
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/*************************************************************************/
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uint32_t RsVoipSerialiser::size(RsItem *i)
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{
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RsVoipPingItem *ping;
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RsVoipPongItem *pong;
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if (NULL != (ping = dynamic_cast<RsVoipPingItem *>(i)))
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{
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return sizeVoipPingItem(ping);
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}
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else if (NULL != (pong = dynamic_cast<RsVoipPongItem *>(i)))
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{
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return sizeVoipPongItem(pong);
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}
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return 0;
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}
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bool RsVoipSerialiser::serialise(RsItem *i, void *data, uint32_t *pktsize)
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{
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#ifdef RSSERIAL_DEBUG
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std::cerr << "RsMsgSerialiser::serialise()" << std::endl;
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#endif
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RsVoipPingItem *ping;
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RsVoipPongItem *pong;
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if (NULL != (ping = dynamic_cast<RsVoipPingItem *>(i)))
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{
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return serialiseVoipPingItem(ping, data, pktsize);
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}
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else if (NULL != (pong = dynamic_cast<RsVoipPongItem *>(i)))
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{
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return serialiseVoipPongItem(pong, data, pktsize);
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}
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return false;
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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);
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if ((RS_PKT_VERSION_SERVICE != getRsItemVersion(rstype)) ||
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(RS_SERVICE_TYPE_VOIP != getRsItemService(rstype)))
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{
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return NULL; /* wrong type */
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}
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switch(getRsItemSubType(rstype))
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{
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case RS_PKT_SUBTYPE_VOIP_PING:
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return deserialiseVoipPingItem(data, pktsize);
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break;
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case RS_PKT_SUBTYPE_VOIP_PONG:
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return deserialiseVoipPongItem(data, pktsize);
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break;
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default:
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return NULL;
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break;
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}
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return NULL;
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}
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/*************************************************************************/
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