Golang TcpTuple.IpPort方法代碼示例

func (http *HTTP) handleHTTP(
	conn *httpConnectionData,
	m *message,
	tcptuple *common.TcpTuple,
	dir uint8,
) {

	m.TCPTuple = *tcptuple
	m.Direction = dir
	m.CmdlineTuple = procs.ProcWatcher.FindProcessesTuple(tcptuple.IpPort())
	http.hideHeaders(m)

	if m.IsRequest {
		if isDebug {
			debugf("Received request with tuple: %s", m.TCPTuple)
		}
		conn.requests.append(m)
	} else {
		if isDebug {
			debugf("Received response with tuple: %s", m.TCPTuple)
		}
		conn.responses.append(m)
		http.correlate(conn)
	}
}

func (dns *Dns) handleDns(m *DnsMessage, tcpTuple *common.TcpTuple, dir uint8, data []byte, decodedData *layers.DNS) {
	dnsTuple := DnsTupleFromIpPort(&m.Tuple, TransportTcp, decodedData.ID)
	m.CmdlineTuple = procs.ProcWatcher.FindProcessesTuple(tcpTuple.IpPort())
	m.Data = decodedData
	m.Length = len(data)

	if decodedData.QR == Query {
		dns.receivedDnsRequest(&dnsTuple, m)
	} else /* Response */ {
		dns.receivedDnsResponse(&dnsTuple, m)
	}
}

func handleMysql(mysql *Mysql, m *MysqlMessage, tcptuple *common.TcpTuple,
	dir uint8, raw_msg []byte) {

	m.TcpTuple = *tcptuple
	m.Direction = dir
	m.CmdlineTuple = procs.ProcWatcher.FindProcessesTuple(tcptuple.IpPort())
	m.Raw = raw_msg

	if m.IsRequest {
		mysql.receivedMysqlRequest(m)
	} else {
		mysql.receivedMysqlResponse(m)
	}
}

func (http *HTTP) handleHTTP(m *message, tcptuple *common.TcpTuple,
	dir uint8, rawMsg []byte) {

	m.TCPTuple = *tcptuple
	m.Direction = dir
	m.CmdlineTuple = procs.ProcWatcher.FindProcessesTuple(tcptuple.IpPort())
	m.Raw = rawMsg

	if m.IsRequest {
		http.receivedHTTPRequest(m)
	} else {
		http.receivedHTTPResponse(m)
	}
}

func (dns *Dns) handleDns(conn *dnsConnectionData, tcpTuple *common.TcpTuple, decodedData *mkdns.Msg, dir uint8) {
	message := conn.Data[dir].message
	dnsTuple := DnsTupleFromIpPort(&message.Tuple, TransportTcp, decodedData.Id)

	message.CmdlineTuple = procs.ProcWatcher.FindProcessesTuple(tcpTuple.IpPort())
	message.Data = decodedData
	message.Length += DecodeOffset

	if decodedData.Response {
		dns.receivedDnsResponse(&dnsTuple, message)
		conn.prevRequest = nil
	} else /* Query */ {
		dns.receivedDnsRequest(&dnsTuple, message)
		conn.prevRequest = message
	}
}

func (redis *Redis) handleRedis(
	conn *redisConnectionData,
	m *redisMessage,
	tcptuple *common.TcpTuple,
	dir uint8,
) {
	m.TcpTuple = *tcptuple
	m.Direction = dir
	m.CmdlineTuple = procs.ProcWatcher.FindProcessesTuple(tcptuple.IpPort())

	if m.IsRequest {
		conn.requests.append(m) // wait for response
	} else {
		conn.responses.append(m)
		redis.correlate(conn)
	}
}

func (mongodb *Mongodb) handleMongodb(
	conn *mongodbConnectionData,
	m *mongodbMessage,
	tcptuple *common.TcpTuple,
	dir uint8,
) {

	m.TcpTuple = *tcptuple
	m.Direction = dir
	m.CmdlineTuple = procs.ProcWatcher.FindProcessesTuple(tcptuple.IpPort())

	if m.IsResponse {
		debugf("MongoDB response message")
		mongodb.onResponse(conn, m)
	} else {
		debugf("MongoDB request message")
		mongodb.onRequest(conn, m)
	}
}

func (amqp *Amqp) handleAmqp(m *AmqpMessage, tcptuple *common.TcpTuple, dir uint8) {
	if amqp.mustHideCloseMethod(m) {
		return
	}
	debugf("A message is ready to be handled")
	m.TcpTuple = *tcptuple
	m.Direction = dir
	m.CmdlineTuple = procs.ProcWatcher.FindProcessesTuple(tcptuple.IpPort())

	if m.Method == "basic.publish" {
		amqp.handlePublishing(m)
	} else if m.Method == "basic.deliver" || m.Method == "basic.return" ||
		m.Method == "basic.get-ok" {
		amqp.handleDelivering(m)
	} else if m.IsRequest == true {
		amqp.handleAmqpRequest(m)
	} else if m.IsRequest == false {
		amqp.handleAmqpResponse(m)
	}
}

func (thrift *Thrift) messageComplete(tcptuple *common.TcpTuple, dir uint8,
	stream *ThriftStream, priv *thriftPrivateData) {

	var flush bool = false

	if stream.message.IsRequest {
		logp.Debug("thrift", "Thrift request message: %s", stream.message.Method)
		if !thrift.CaptureReply {
			// enable the stream in the other direction to get the reply
			stream_rev := priv.Data[1-dir]
			if stream_rev != nil {
				stream_rev.skipInput = false
			}
		}
	} else {
		logp.Debug("thrift", "Thrift response message: %s", stream.message.Method)
		if !thrift.CaptureReply {
			// disable stream in this direction
			stream.skipInput = true

			// and flush current data
			flush = true
		}
	}

	// all ok, go to next level
	stream.message.TcpTuple = *tcptuple
	stream.message.Direction = dir
	stream.message.CmdlineTuple = procs.ProcWatcher.FindProcessesTuple(tcptuple.IpPort())
	if stream.message.FrameSize == 0 {
		stream.message.FrameSize = uint32(stream.parseOffset - stream.message.start)
	}
	thrift.handleThrift(stream.message)

	// and reset message
	stream.PrepareForNewMessage(flush)

}

// Parse processes a TCP packet. Return nil if connection
// state shall be dropped (e.g. parser not in sync with tcp stream)
func (cassandra *cassandra) Parse(
	pkt *protos.Packet,
	tcptuple *common.TcpTuple, dir uint8,
	private protos.ProtocolData,
) protos.ProtocolData {
	defer logp.Recover("Parse cassandra exception")

	conn := cassandra.ensureConnection(private)
	st := conn.streams[dir]
	if st == nil {
		st = &stream{}
		st.parser.init(&cassandra.parserConfig, func(msg *message) error {
			return conn.trans.onMessage(tcptuple.IpPort(), dir, msg)
		})
		conn.streams[dir] = st
	}

	if err := st.parser.feed(pkt.Ts, pkt.Payload); err != nil {
		debugf("%v, dropping TCP stream for error in direction %v.", err, dir)
		cassandra.onDropConnection(conn)
		return nil
	}
	return conn
}

func (mc *Memcache) memcacheParseTCP(
	tcpConn *tcpConnectionData,
	pkt *protos.Packet,
	tcptuple *common.TcpTuple,
	dir uint8,
) *tcpConnectionData {
	// assume we are in sync
	stream := tcpConn.Streams[dir]
	if stream == nil {
		stream = mc.newStream(tcptuple)
		tcpConn.Streams[dir] = stream
	}

	debug("add payload to stream(%p): %v", stream, dir)
	if err := stream.Append(pkt.Payload); err != nil {
		debug("%v, dropping TCP streams", err)
		mc.pushAllTCPTrans(tcpConn.connection)
		tcpConn.drop(dir)
		return nil
	}

	if tcpConn.connection == nil {
		tcpConn.connection = &connection{}
	} else {
		stopped := tcpConn.connection.timer.Stop()
		if !stopped {
			// timer was stopped by someone else, create new connection
			tcpConn.connection = &connection{}
		}
	}
	conn := tcpConn.connection

	for stream.Buf.Total() > 0 {
		debug("stream(%p) try to content", stream)
		msg, err := stream.parse(pkt.Ts)
		if err != nil {
			// parsing error, drop tcp stream and retry with next segement
			debug("Ignore Memcache message, drop tcp stream: %v", err)
			mc.pushAllTCPTrans(conn)
			tcpConn.drop(dir)
			return nil
		}

		if msg == nil {
			// wait for more data
			break
		}
		stream.reset()

		tuple := tcptuple.IpPort()
		err = mc.onTCPMessage(conn, tuple, dir, msg)
		if err != nil {
			logp.Warn("error processing memcache message: %s", err)
		}
	}

	conn.timer = time.AfterFunc(mc.tcpTransTimeout, func() {
		debug("connection=%p timed out", conn)
		mc.pushAllTCPTrans(conn)
	})

	return tcpConn
}