mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-12-29 01:16:20 -05:00
289 lines
8.9 KiB
C++
289 lines
8.9 KiB
C++
/*******************************************************************************
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* libretroshare/src/rsitems: rsdiscitems.cc *
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* *
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* libretroshare: retroshare core library *
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* *
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* Copyright 2007-2008 by Robert Fernie <retroshare@lunamutt.com> *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* 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 Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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#include "rsitems/rsdiscovery2items.h"
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#include "serialiser/rsbaseserial.h"
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#include "serialiser/rstypeserializer.h"
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#if 0
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#include "rsitems/rsserviceids.h"
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#include "serialiser/rstlvbase.h"
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#include "serialiser/rstlvtypes.h"
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#endif
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/***
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* #define RSSERIAL_DEBUG 1
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* #define RSSERIAL_ERROR_DEBUG 1
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***/
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#define RSSERIAL_ERROR_DEBUG 1
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#include <iostream>
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RsItem *RsDiscSerialiser::create_item(uint16_t service,uint8_t item_subtype) const
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{
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if(service != RS_SERVICE_TYPE_DISC)
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return NULL ;
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switch(item_subtype)
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{
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case RS_PKT_SUBTYPE_DISC_PGP_LIST : return new RsDiscPgpListItem() ; //= 0x01;
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case RS_PKT_SUBTYPE_DISC_PGP_CERT : return new RsDiscPgpCertItem() ; //= 0x02;
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case RS_PKT_SUBTYPE_DISC_CONTACT_deprecated : return NULL ; //= 0x03;
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#if 0
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case RS_PKT_SUBTYPE_DISC_SERVICES : return new RsDiscServicesItem(); //= 0x04;
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#endif
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case RS_PKT_SUBTYPE_DISC_CONTACT : return new RsDiscContactItem(); //= 0x05;
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default:
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return NULL ;
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}
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}
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/*************************************************************************/
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void RsDiscPgpListItem::clear()
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{
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mode = DISC_PGP_LIST_MODE_NONE;
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pgpIdSet.TlvClear();
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}
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void RsDiscPgpListItem::serial_process(RsGenericSerializer::SerializeJob j,RsGenericSerializer::SerializeContext& ctx)
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{
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RsTypeSerializer::serial_process<uint32_t>(j,ctx,mode,"mode") ;
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RsTypeSerializer::serial_process<RsTlvItem>(j,ctx,pgpIdSet,"pgpIdSet") ;
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}
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void RsDiscPgpCertItem::clear()
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{
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pgpId.clear();
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pgpCert.clear();
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}
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void RsDiscPgpCertItem::serial_process(RsGenericSerializer::SerializeJob j,RsGenericSerializer::SerializeContext& ctx)
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{
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RsTypeSerializer::serial_process(j,ctx,pgpId,"pgpId") ;
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RsTypeSerializer::serial_process(j,ctx,TLV_TYPE_STR_PGPCERT,pgpCert,"pgpCert") ;
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}
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void RsDiscContactItem::clear()
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{
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pgpId.clear();
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sslId.clear();
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location.clear();
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version.clear();
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netMode = 0;
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vs_disc = 0;
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vs_dht = 0;
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lastContact = 0;
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isHidden = false;
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hiddenAddr.clear();
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hiddenPort = 0;
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localAddrV4.TlvClear();
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extAddrV4.TlvClear();
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localAddrV6.TlvClear();
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extAddrV6.TlvClear();
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dyndns.clear();
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localAddrList.TlvClear();
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extAddrList.TlvClear();
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}
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void RsDiscContactItem::serial_process(RsGenericSerializer::SerializeJob j,RsGenericSerializer::SerializeContext& ctx)
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{
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RsTypeSerializer::serial_process (j,ctx,pgpId,"pgpId");
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RsTypeSerializer::serial_process (j,ctx,sslId,"sslId");
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RsTypeSerializer::serial_process (j,ctx,TLV_TYPE_STR_LOCATION,location,"location");
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RsTypeSerializer::serial_process (j,ctx,TLV_TYPE_STR_VERSION,version,"version");
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RsTypeSerializer::serial_process<uint32_t>(j,ctx,netMode,"netMode");
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RsTypeSerializer::serial_process<uint16_t>(j,ctx,vs_disc,"vs_disc");
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RsTypeSerializer::serial_process<uint16_t>(j,ctx,vs_dht,"vs_dht");
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RsTypeSerializer::serial_process<uint32_t>(j,ctx,lastContact,"lastContact");
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// This is a hack. Normally we should have to different item types, in order to avoid this nonesense.
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if(j == RsGenericSerializer::DESERIALIZE)
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isHidden = ( GetTlvType( &(((uint8_t *) ctx.mData)[ctx.mOffset]) )==TLV_TYPE_STR_DOMADDR);
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if(isHidden)
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{
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RsTypeSerializer::serial_process (j,ctx,TLV_TYPE_STR_DOMADDR,hiddenAddr,"hiddenAddr");
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RsTypeSerializer::serial_process<uint16_t>(j,ctx,hiddenPort,"hiddenPort");
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}
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else
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{
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RsTypeSerializer::serial_process<RsTlvItem>(j,ctx,localAddrV4,"localAddrV4");
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RsTypeSerializer::serial_process<RsTlvItem>(j,ctx, extAddrV4,"extAddrV4");
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RsTypeSerializer::serial_process<RsTlvItem>(j,ctx,localAddrV6,"localAddrV6");
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RsTypeSerializer::serial_process<RsTlvItem>(j,ctx, extAddrV6,"extAddrV6");
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RsTypeSerializer::serial_process<RsTlvItem>(j,ctx,currentConnectAddress,"currentConnectAddress");
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RsTypeSerializer::serial_process (j,ctx,TLV_TYPE_STR_DYNDNS,dyndns,"dyndns");
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RsTypeSerializer::serial_process (j,ctx,localAddrList,"localAddrList");
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RsTypeSerializer::serial_process (j,ctx, extAddrList,"extAddrList");
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}
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}
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/*************************************************************************/
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#if 0
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RsDiscServicesItem::~RsDiscServicesItem()
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{
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return;
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}
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void RsDiscServicesItem::clear()
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{
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version.clear();
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mServiceIdMap.TlvClear();
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}
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std::ostream &RsDiscServicesItem::print(std::ostream &out, uint16_t indent)
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{
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printRsItemBase(out, "RsDiscServicesItem", indent);
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uint16_t int_Indent = indent + 2;
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printIndent(out, int_Indent);
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out << "version: " << version << std::endl;
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mServiceIdMap.print(out, int_Indent);
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printRsItemEnd(out, "RsDiscServicesItem", indent);
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return out;
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}
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uint32_t RsDiscSerialiser::sizeServices(RsDiscServicesItem *item)
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{
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uint32_t s = 8; /* header */
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s += GetTlvStringSize(item->version); /* version */
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s += item->mServiceIdMap.TlvSize();
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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 RsDiscSerialiser::serialiseServices(RsDiscServicesItem *item, void *data, uint32_t *pktsize)
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{
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uint32_t tlvsize = sizeServices(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 << "RsDiscSerialiser::serialiseServices() Header: " << ok << std::endl;
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std::cerr << "RsDiscSerialiser::serialiseServices() 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 &= SetTlvString(data, tlvsize, &offset, TLV_TYPE_STR_VERSION, item->version);
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ok &= item->mServiceIdMap.SetTlv(data, tlvsize, &offset);
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if (offset != tlvsize) {
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ok = false;
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#ifdef RSSERIAL_ERROR_DEBUG
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std::cerr << "RsDiscSerialiser::serialiseServices() Size Error! " << std::endl;
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#endif
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}
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return ok;
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}
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RsDiscServicesItem *RsDiscSerialiser::deserialiseServices(void *data, uint32_t *pktsize) {
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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_DISC != getRsItemService(rstype)) ||
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(RS_PKT_SUBTYPE_DISC_PGP_LIST != getRsItemSubType(rstype)))
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{
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#ifdef RSSERIAL_ERROR_DEBUG
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std::cerr << "RsDiscSerialiser::deserialiseServices() Wrong Type" << std::endl;
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#endif
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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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{
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#ifdef RSSERIAL_ERROR_DEBUG
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std::cerr << "RsDiscSerialiser::deserialiseServices() Not Enough Space" << std::endl;
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#endif
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return NULL; /* not enough data */
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}
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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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RsDiscServicesItem *item = new RsDiscServicesItem();
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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 &= GetTlvString(data, rssize, &offset, TLV_TYPE_STR_VERSION, item->version);
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ok &= item->mServiceIdMap.GetTlv(data, rssize, &offset);
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if (offset != rssize) {
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#ifdef RSSERIAL_ERROR_DEBUG
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std::cerr << "RsDiscSerialiser::deserialiseServices() offset != rssize" << std::endl;
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#endif
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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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#ifdef RSSERIAL_ERROR_DEBUG
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std::cerr << "RsDiscSerialiser::deserialiseServices() ok = false" << std::endl;
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#endif
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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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#endif
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