ostinato/common/protocolmanager.cpp
2022-05-21 12:16:14 +05:30

272 lines
8.5 KiB
C++

/*
Copyright (C) 2010, 2014 Srivats P.
This file is part of "Ostinato"
This 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>
*/
#include "protocolmanager.h"
#include "abstractprotocol.h"
#include "protocol.pb.h"
#include "mac.h"
#include "vlan.h"
#include "svlan.h"
#include "vlanstack.h"
// L2 Protos
#include "dot3.h"
#include "llc.h"
#include "dot2llc.h"
#include "snap.h"
#include "dot2snap.h"
#include "eth2.h"
#include "stp.h"
// L3 Protos
#include "arp.h"
#include "ip4.h"
#include "ip6.h"
#include "ip4over4.h"
#include "ip4over6.h"
#include "ip6over4.h"
#include "ip6over6.h"
// L4 Protos
#include "gre.h"
#include "icmp.h"
#include "igmp.h"
#include "mld.h"
#include "tcp.h"
#include "udp.h"
// L5 Protos
#include "textproto.h"
// Special Protos
#include "hexdump.h"
#include "payload.h"
#include "sample.h"
#include "sign.h"
#include "userscript.h"
ProtocolManager *OstProtocolManager;
ProtocolManager::ProtocolManager()
{
/*! \todo (LOW) calls to registerProtocol() should be done by the protocols
themselves (once this is done remove the #includes for all the protocols)
*/
registerProtocol(OstProto::Protocol::kMacFieldNumber,
(void*) MacProtocol::createInstance);
registerProtocol(OstProto::Protocol::kVlanFieldNumber,
(void*) VlanProtocol::createInstance);
registerProtocol(OstProto::Protocol::kSvlanFieldNumber,
(void*) SVlanProtocol::createInstance);
registerProtocol(OstProto::Protocol::kVlanStackFieldNumber,
(void*) VlanStackProtocol::createInstance);
registerProtocol(OstProto::Protocol::kEth2FieldNumber,
(void*) Eth2Protocol::createInstance);
registerProtocol(OstProto::Protocol::kDot3FieldNumber,
(void*) Dot3Protocol::createInstance);
registerProtocol(OstProto::Protocol::kLlcFieldNumber,
(void*) LlcProtocol::createInstance);
registerProtocol(OstProto::Protocol::kDot2LlcFieldNumber,
(void*) Dot2LlcProtocol::createInstance);
registerProtocol(OstProto::Protocol::kSnapFieldNumber,
(void*) SnapProtocol::createInstance);
registerProtocol(OstProto::Protocol::kDot2SnapFieldNumber,
(void*) Dot2SnapProtocol::createInstance);
registerProtocol(OstProto::Protocol::kStpFieldNumber,
(void*) StpProtocol::createInstance);
// Layer 3 Protocols
registerProtocol(OstProto::Protocol::kArpFieldNumber,
(void*) ArpProtocol::createInstance);
registerProtocol(OstProto::Protocol::kIp4FieldNumber,
(void*) Ip4Protocol::createInstance);
registerProtocol(OstProto::Protocol::kIp6FieldNumber,
(void*) Ip6Protocol::createInstance);
registerProtocol(OstProto::Protocol::kIp4over4FieldNumber,
(void*) Ip4over4Protocol::createInstance);
registerProtocol(OstProto::Protocol::kIp4over6FieldNumber,
(void*) Ip4over6Protocol::createInstance);
registerProtocol(OstProto::Protocol::kIp6over4FieldNumber,
(void*) Ip6over4Protocol::createInstance);
registerProtocol(OstProto::Protocol::kIp6over6FieldNumber,
(void*) Ip6over6Protocol::createInstance);
// Layer 4 Protocols
registerProtocol(OstProto::Protocol::kGreFieldNumber,
(void*) GreProtocol::createInstance);
registerProtocol(OstProto::Protocol::kIcmpFieldNumber,
(void*) IcmpProtocol::createInstance);
registerProtocol(OstProto::Protocol::kIgmpFieldNumber,
(void*) IgmpProtocol::createInstance);
registerProtocol(OstProto::Protocol::kMldFieldNumber,
(void*) MldProtocol::createInstance);
registerProtocol(OstProto::Protocol::kTcpFieldNumber,
(void*) TcpProtocol::createInstance);
registerProtocol(OstProto::Protocol::kUdpFieldNumber,
(void*) UdpProtocol::createInstance);
// Layer 5 Protocols
registerProtocol(OstProto::Protocol::kTextProtocolFieldNumber,
(void*) TextProtocol::createInstance);
// Special Protocols
registerProtocol(OstProto::Protocol::kHexDumpFieldNumber,
(void*) HexDumpProtocol::createInstance);
registerProtocol(OstProto::Protocol::kPayloadFieldNumber,
(void*) PayloadProtocol::createInstance);
registerProtocol(OstProto::Protocol::kSampleFieldNumber,
(void*) SampleProtocol::createInstance);
registerProtocol(OstProto::Protocol::kSignFieldNumber,
(void*) SignProtocol::createInstance);
registerProtocol(OstProto::Protocol::kUserScriptFieldNumber,
(void*) UserScriptProtocol::createInstance);
populateNeighbourProtocols();
}
ProtocolManager::~ProtocolManager()
{
numberToNameMap.clear();
nameToNumberMap.clear();
neighbourProtocols.clear();
factory.clear();
QList<AbstractProtocol*> pl = protocolList.values();
while (!pl.isEmpty())
delete pl.takeFirst();
}
void ProtocolManager::registerProtocol(int protoNumber,
void *protoInstanceCreator)
{
AbstractProtocol *p;
Q_ASSERT(!factory.contains(protoNumber));
factory.insert(protoNumber, protoInstanceCreator);
p = createProtocol(protoNumber, NULL);
protocolList.insert(protoNumber, p);
numberToNameMap.insert(protoNumber, p->shortName());
nameToNumberMap.insert(p->shortName(), protoNumber);
}
void ProtocolManager::populateNeighbourProtocols()
{
neighbourProtocols.clear();
foreach(AbstractProtocol *p, protocolList)
{
if (p->protocolIdType() != AbstractProtocol::ProtocolIdNone)
{
foreach(AbstractProtocol *q, protocolList)
{
if (q->protocolId(p->protocolIdType()))
neighbourProtocols.insert(
p->protocolNumber(), q->protocolNumber());
}
}
}
}
bool ProtocolManager::isRegisteredProtocol(int protoNumber)
{
return factory.contains(protoNumber);
}
AbstractProtocol* ProtocolManager::createProtocol(int protoNumber,
StreamBase *stream, AbstractProtocol *parent)
{
AbstractProtocol* (*pc)(StreamBase*, AbstractProtocol*);
AbstractProtocol* p;
pc = (AbstractProtocol* (*)(StreamBase*, AbstractProtocol*))
factory.value(protoNumber);
Q_ASSERT_X(pc != NULL,
__FUNCTION__,
qPrintable(QString("No Protocol Creator registered for protocol %1")
.arg(protoNumber)));
p = (*pc)(stream, parent);
return p;
}
AbstractProtocol* ProtocolManager::createProtocol(QString protoName,
StreamBase *stream, AbstractProtocol *parent)
{
return createProtocol(nameToNumberMap.value(protoName), stream, parent);
}
bool ProtocolManager::isValidNeighbour(int protoPrefix, int protoSuffix)
{
if (neighbourProtocols.contains(protoPrefix, protoSuffix))
return true;
else
return false;
}
bool ProtocolManager::protocolHasPayload(int protoNumber)
{
Q_ASSERT(protocolList.contains(protoNumber));
return protocolList.value(protoNumber)->protocolHasPayload();
}
QStringList ProtocolManager::protocolDatabase()
{
return numberToNameMap.values();
}
#if 0
void ProtocolManager::showFieldAttribs()
{
QStringList protocolList = protocolDatabase();
Stream stream;
foreach(QString name, protocolList) {
if (name.contains("/")) // assume combo
continue;
AbstractProtocol *protocol = OstProtocolManager->createProtocol(name, &stream);
int count = protocol->fieldCount();
for (int i = 0; i < count; i++) {
if (!protocol->fieldFlags(i).testFlag(AbstractProtocol::FrameField))
continue;
uint bitSize = protocol->fieldData(i, AbstractProtocol::FieldBitSize)
.toInt();
qDebug("$$$$, %s, %d, %s, %u, %x, %llu",
qPrintable(name),
i,
qPrintable(protocol->fieldData(i, AbstractProtocol::FieldName).toString()),
bitSize,
0, // min
(1 << bitSize) - 1);
}
delete protocol;
}
}
#endif