RetroShare/libretroshare/src/serialiser/rstlvbanlist.cc
drbob 85ea54395b Improvement to BanPeers Sharing Code.
* Added p3BanList as a service.
 * Added interfaces to communicate addresses.
 * Added debug to p3BanList.
 * Fixed several bugs in the AddEntry/Condense
 * Fixed Mutex deadlocks.

Improvements to Dsdv code too.
 * Added p3Dsdv as a service.
 * Added Function to create a TEST service for routing.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-dhtmods@4687 b45a01b8-16f6-495d-af2f-9b41ad6348cc
2011-11-25 00:58:01 +00:00

315 lines
7.6 KiB
C++

/*
* libretroshare/src/serialiser: rstlvtypes.cc
*
* RetroShare Serialiser.
*
* Copyright 2007-2008 by Robert Fernie, Chris Parker
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License Version 2 as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
* Please report all bugs and problems to "retroshare@lunamutt.com".
*
*/
#include "rstlvbanlist.h"
#include "rstlvbase.h"
#include "rstlvtypes.h"
#include "rsbaseserial.h"
#include "util/rsprint.h"
#include <ostream>
#include <sstream>
#include <iomanip>
#include <iostream>
/************************************* RsTlvBanListEntry ************************************/
RsTlvBanListEntry::RsTlvBanListEntry()
:RsTlvItem(), level(0), reason(0), age(0)
{
return;
}
void RsTlvBanListEntry::TlvClear()
{
sockaddr_clear(&addr);
level = 0;
reason = 0;
age = 0;
}
uint32_t RsTlvBanListEntry::TlvSize()
{
uint32_t s = TLV_HEADER_SIZE;
s += GetTlvIpAddrPortV4Size();
s += 4; // level;
s += 4; // reason;
s += 4; // age;
return s;
}
bool RsTlvBanListEntry::SetTlv(void *data, uint32_t size, uint32_t *offset) /* serialise */
{
/* must check sizes */
uint32_t tlvsize = TlvSize();
uint32_t tlvend = *offset + tlvsize;
if (size < tlvend)
return false; /* not enough space */
bool ok = true;
/* start at data[offset] */
/* add mandatory parts first */
ok &= SetTlvBase(data, tlvend, offset, TLV_TYPE_BAN_ENTRY, tlvsize);
ok &= SetTlvIpAddrPortV4(data, tlvend, offset, TLV_TYPE_IPV4_REMOTE, &addr);
ok &= setRawUInt32(data, tlvend, offset, level);
ok &= setRawUInt32(data, tlvend, offset, reason);
ok &= setRawUInt32(data, tlvend, offset, age);
return ok;
}
bool RsTlvBanListEntry::GetTlv(void *data, uint32_t size, uint32_t *offset) /* serialise */
{
if (size < *offset + TLV_HEADER_SIZE)
return false;
uint16_t tlvtype = GetTlvType( &(((uint8_t *) data)[*offset]) );
uint32_t tlvsize = GetTlvSize( &(((uint8_t *) data)[*offset]) );
uint32_t tlvend = *offset + tlvsize;
if (size < tlvend) /* check size */
return false; /* not enough space */
if (tlvtype != TLV_TYPE_BAN_ENTRY) /* check type */
return false;
bool ok = true;
/* ready to load */
TlvClear();
/* skip the header */
(*offset) += TLV_HEADER_SIZE;
ok &= GetTlvIpAddrPortV4(data, tlvend, offset, TLV_TYPE_IPV4_REMOTE, &addr);
ok &= getRawUInt32(data, tlvend, offset, &(level));
ok &= getRawUInt32(data, tlvend, offset, &(reason));
ok &= getRawUInt32(data, tlvend, offset, &(age));
/***************************************************************************
* NB: extra components could be added (for future expansion of the type).
* or be present (if this code is reading an extended version).
*
* We must chew up the extra characters to conform with TLV specifications
***************************************************************************/
if (*offset != tlvend)
{
#ifdef TLV_DEBUG
std::cerr << "RsTlvBanListEntry::GetTlv() Warning extra bytes at end of item";
std::cerr << std::endl;
#endif
*offset = tlvend;
}
return ok;
}
std::ostream &RsTlvBanListEntry::print(std::ostream &out, uint16_t indent)
{
printBase(out, "RsTlvBanListEntry", indent);
uint16_t int_Indent = indent + 2;
printIndent(out, int_Indent);
out << "addr:" << rs_inet_ntoa(addr.sin_addr) << ":" << htons(addr.sin_port);
out << std::endl;
printIndent(out, int_Indent);
out << "level:" << level;
out << std::endl;
printIndent(out, int_Indent);
out << "reason:" << reason;
out << std::endl;
printIndent(out, int_Indent);
out << "age:" << age;
out << std::endl;
printEnd(out, "RsTlvBanListEntry", indent);
return out;
}
/************************************* RsTlvBanList ************************************/
RsTlvBanList::RsTlvBanList()
{
}
void RsTlvBanList::TlvClear()
{
entries.clear();
}
uint32_t RsTlvBanList::TlvSize()
{
uint32_t s = TLV_HEADER_SIZE; /* header */
std::list<RsTlvBanListEntry>::iterator it;
if(!entries.empty())
{
for(it = entries.begin(); it != entries.end() ; ++it)
s += it->TlvSize();
}
return s;
}
bool RsTlvBanList::SetTlv(void *data, uint32_t size, uint32_t *offset) /* serialise */
{
/* must check sizes */
uint32_t tlvsize = TlvSize();
uint32_t tlvend = *offset + tlvsize;
if (size < tlvend)
return false; /* not enough space */
bool ok = true;
/* start at data[offset] */
ok &= SetTlvBase(data, tlvend, offset, TLV_TYPE_BAN_LIST , tlvsize);
if(!entries.empty())
{
std::list<RsTlvBanListEntry>::iterator it;
for(it = entries.begin(); it != entries.end() ; ++it)
ok &= it->SetTlv(data, size, offset);
}
return ok;
}
bool RsTlvBanList::GetTlv(void *data, uint32_t size, uint32_t *offset) /* serialise */
{
if (size < *offset + TLV_HEADER_SIZE)
return false;
uint16_t tlvtype = GetTlvType( &(((uint8_t *) data)[*offset]) );
uint32_t tlvsize = GetTlvSize( &(((uint8_t *) data)[*offset]) );
uint32_t tlvend = *offset + tlvsize;
if (size < tlvend) /* check size */
return false; /* not enough space */
if (tlvtype != TLV_TYPE_BAN_LIST) /* check type */
return false;
bool ok = true;
/* ready to load */
TlvClear();
/* skip the header */
(*offset) += TLV_HEADER_SIZE;
/* while there is TLV */
while((*offset) + 2 < tlvend)
{
/* get the next type */
uint16_t tlvsubtype = GetTlvType( &(((uint8_t *) data)[*offset]) );
switch(tlvsubtype)
{
case TLV_TYPE_BAN_ENTRY:
{
RsTlvBanListEntry entry;
ok &= entry.GetTlv(data, size, offset);
if (ok)
{
entries.push_back(entry);
}
}
break;
default:
ok &= SkipUnknownTlv(data, tlvend, offset);
break;
}
if (!ok)
break;
}
/***************************************************************************
* NB: extra components could be added (for future expansion of the type).
* or be present (if this code is reading an extended version).
*
* We must chew up the extra characters to conform with TLV specifications
***************************************************************************/
if (*offset != tlvend)
{
#ifdef TLV_DEBUG
std::cerr << "RsTlvBanList::GetTlv() Warning extra bytes at end of item";
std::cerr << std::endl;
#endif
*offset = tlvend;
}
return ok;
}
// prints out contents of RsTlvBanList
std::ostream &RsTlvBanList::print(std::ostream &out, uint16_t indent)
{
printBase(out, "RsTlvBanList", indent);
uint16_t int_Indent = indent + 2;
std::list<RsTlvBanListEntry>::iterator it;
for(it = entries.begin(); it != entries.end() ; ++it)
it->print(out, int_Indent);
printEnd(out, "RsTlvBanList", indent);
return out;
}
/************************************* RsTlvBanList ************************************/