C++ SPtr::addRelayInfo方法代码示例

//.........这里部分代码省略.........
        // remember options to be echoed
        echoListTbl[relays].first();
        while (gen = echoListTbl[relays].get()) {
            if (!echo) {
                Log(Warning) << "Invalid option (" << gen->getOptType() << ") in RELAY_FORW message was ignored." << LogEnd;
                echoListTbl[relays].del();
            } else {
                if (!echo->isOption(gen->getOptType())) {
                    Log(Warning) << "Invalid option (" << gen->getOptType() << ") in RELAY_FORW message was ignored." << LogEnd;
                    echoListTbl[relays].del();
                } else {
                    Log(Info) << "Option " << gen->getOptType() << " will be echoed back." << LogEnd;
                }
            }

        }


        // remember those links
        linkAddrTbl[relays] = linkAddr;
        peerAddrTbl[relays] = peerAddr;
        interfaceIDTbl[relays] = ptrIfaceID;
        hopTbl[relays] = hopCount;
        relays++;

        if (relays> HOP_COUNT_LIMIT) {
            Log(Error) << "Message is nested more than allowed " << HOP_COUNT_LIMIT << " times. Message dropped." << LogEnd;
            return 0;
        }

        if (optRelayCnt!=1) {
            Log(Error) << optRelayCnt << " RELAY_MSG options received, but exactly one was expected. Message dropped." << LogEnd;
            return 0;
        }
        if (optIfaceIDCnt>1) {
            Log(Error) << "More than one (" << optIfaceIDCnt
                       << ") interface-ID options received, but at most 1 was expected. Message dropped." << LogEnd;
            return 0;
        }

        Log(Info) << "RELAY_FORW was decapsulated: link=" << linkAddr->getPlain() << ", peer=" << peerAddr->getPlain();

        bool guessMode = SrvCfgMgr().guessMode();

        if (ptrIfaceID) {
            // find relay interface based on the interface-id option
            Log(Cont) << ", interfaceID len=" << ptrIfaceID->getSize() << LogEnd;
            relayIface = ptrIface->getRelayByInterfaceID(ptrIfaceID);
            if (!relayIface) {
                if (!guessMode) {
                    Log(Error) << "Unable to find relay interface with interfaceID=" << ptrIfaceID->getPlain() << " defined on the "
                               << ptrIface->getName() << "/" << ptrIface->getID() << " interface." << LogEnd;
                    return 0;
                }
            }
        }
        else {
            // find relay interface based on the link address
            Log(Cont) << ", interfaceID option missing." << LogEnd;
            Log(Warning) << "InterfaceID option missing, trying to find proper interface using link address: "
                         << linkAddr->getPlain() << " (expect troubles)."<< LogEnd;
            relayIface = ptrIface->getRelayByLinkAddr(linkAddr);
            if (!relayIface) {
                Log(Error) << "Unable to find relay interface using link address: " << linkAddr->getPlain() << LogEnd;
                if (!guessMode) {
                  return 0;
                }
            }
        }
        if (!relayIface && guessMode) {
            relayIface = ptrIface->getAnyRelay();
            if (!relayIface) {
                Log(Error) << "Guess-mode: Unable to find any relays on " << ptrIface->getFullName() << LogEnd;
                return 0;
            }
            interfaceIDTbl[relays] = -1;
            Log(Notice) << "Guess-mode: Relayed interface guessed as " << relayIface->getFullName() << LogEnd;
        }

        // now switch to relay interface
        ptrIface = relayIface;
        buf = relay_buf;
        bufsize = relay_bufsize;
    }

    SPtr<TSrvMsg> msg = this->decodeMsg(ptrIface, peer, relay_buf, relay_bufsize);
    for (int i=0; i<relays; i++) {
        msg->addRelayInfo(linkAddrTbl[i], peerAddrTbl[i], hopTbl[i], interfaceIDTbl[i], echoListTbl[i]);
    }
    if (remoteID) {
        Log(Debug) << "RemoteID received: vendor=" << remoteID->getVendor()
                   << ", length=" << remoteID->getVendorDataLen() << "." << LogEnd;
        msg->setRemoteID(remoteID);
        remoteID = 0;
        remoteID = msg->getRemoteID();
        PrintHex("RemoteID:", remoteID->getVendorData(), remoteID->getVendorDataLen());
    }

    return (Ptr*)msg;
 }

//.........这里部分代码省略.........
        linkAddrTbl[relays] = linkAddr;
        peerAddrTbl[relays] = peerAddr;
        hopTbl[relays] = hopCount;
        relays++;

        if (relays> HOP_COUNT_LIMIT) {
            Log(Error) << "Message is nested more than allowed " << HOP_COUNT_LIMIT
                       << " times. Message dropped." << LogEnd;
            return 0;
        }

        if (optRelayCnt!=1) {
            Log(Error) << optRelayCnt << " RELAY_MSG options received, but exactly one was "
                       << "expected. Message dropped." << LogEnd;
            return 0;
        }
        if (optIfaceIDCnt>1) {
            Log(Error) << "More than one (" << optIfaceIDCnt
                       << ") interface-ID options received, but exactly 1 was expected. "
                       << "Message dropped." << LogEnd;
            return 0;
        }

        Log(Info) << "RELAY_FORW was decapsulated: link=" << linkAddr->getPlain()
                  << ", peer=" << peerAddr->getPlain();

	// --- selectSubnet() starts here ---

        bool guessMode = SrvCfgMgr().guessMode();

        // First try to find a relay based on the interface-id option
        if (ptrIfaceID) {
            Log(Cont) << ", interfaceID len=" << ptrIfaceID->getSize() << LogEnd;
            ifindex = SrvCfgMgr().getRelayByInterfaceID(ptrIfaceID);
            if (ifindex == -1) {
		Log(Debug) << "Unable to find relay interface with interfaceID="
			   << ptrIfaceID->getPlain() << " defined on the "
			   << physicalIface->getFullName() << " interface." << LogEnd;
            } else {
		how_found = "using interface-id=" + ptrIfaceID->getPlain();
	    }
        } else {
            Log(Cont) << ", no interface-id option." << LogEnd;
	}

        // then try to find a relay based on the link address
        if (ifindex == -1) {
            ifindex = SrvCfgMgr().getRelayByLinkAddr(linkAddr);
	    if (ifindex == -1) {
                Log(Info) << "Unable to find relay interface using link address: "
			  << linkAddr->getPlain() << LogEnd;
	    } else {
		how_found = string("using link-addr=") + linkAddr->getPlain();
            }
        }

        // the last hope - use guess-mode to get any relay
        if ((ifindex == -1) && guessMode) {
            ifindex = SrvCfgMgr().getAnyRelay();
            if (ifindex != -1) {
		how_found = "using guess-mode";
            }
        }

	// --- selectSubnet() ends here ---

        // now switch to relay interface
        buf = relay_buf;
        bufsize = relay_bufsize;
    }

    if (ifindex == -1) {
	Log(Warning) << "Unable to find appropriate interface for this RELAY-FORW." << LogEnd;
	return 0;
    } else {
	SPtr<TSrvCfgIface> cfgIface = SrvCfgMgr().getIfaceByID(ifindex);
	Log(Notice) << "Found relay " << cfgIface->getFullName()
		    << " by " << how_found << LogEnd;
    }

    SPtr<TSrvMsg> msg = decodeMsg(ifindex, peer, relay_buf, relay_bufsize);
    if (!msg) {
        return 0;
    }
    for (int i=0; i<relays; i++) {
        msg->addRelayInfo(linkAddrTbl[i], peerAddrTbl[i], hopTbl[i], echoListTbl[i]);
    }
    msg->setPhysicalIface(physicalIface->getID());

    if (remoteID) {
        Log(Debug) << "RemoteID received: vendor=" << remoteID->getVendor()
                   << ", length=" << remoteID->getVendorDataLen() << "." << LogEnd;
        msg->setRemoteID(remoteID);
        remoteID = 0;
        remoteID = msg->getRemoteID();
        PrintHex("RemoteID:", (uint8_t*)remoteID->getVendorData(), remoteID->getVendorDataLen());
    }

    return (Ptr*)msg;
 }