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-rwxr-xr-xsrc/common/Network/Packet/TcpHeader.h133
1 files changed, 133 insertions, 0 deletions
diff --git a/src/common/Network/Packet/TcpHeader.h b/src/common/Network/Packet/TcpHeader.h
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+++ b/src/common/Network/Packet/TcpHeader.h
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+/*
+Copyright (c) 2015-2015 Cisco Systems, Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+#ifndef _TCP_HEADER_H_
+#define _TCP_HEADER_H_
+
+#include "PacketHeaderBase.h"
+#define TCP_HEADER_LEN 20
+
+class TCPHeader
+{
+
+public:
+ enum TCPHeader_enum_t
+ {
+ TCP_INVALID_PORT = 0
+ };
+
+ TCPHeader(){}
+
+ TCPHeader(uint16_t argSourcePort,
+ uint16_t argDestinationPort,
+ uint8_t argFlags,
+ uint32_t argSeqNum,
+ uint32_t argAckNum);
+
+ struct Flag
+ {
+ enum Type
+ {
+ FIN = 0x01,
+ SYN = 0x02,
+ RST = 0x04,
+ PSH = 0x08,
+ ACK = 0x10,
+ URG = 0x20
+ };
+ };
+
+ void setSourcePort (uint16_t);
+ uint16_t getSourcePort ();
+
+ void setDestPort (uint16_t);
+ uint16_t getDestPort ();
+
+ void setSeqNumber (uint32_t);
+ uint32_t getSeqNumber ();
+
+ void setAckNumber (uint32_t);
+ uint32_t getAckNumber ();
+
+ //this is factor 4
+ void setHeaderLength (uint8_t);
+ uint8_t getHeaderLength ();
+
+ void setFlag (uint8_t);
+ uint8_t getFlags ();
+
+ void setFinFlag (bool);
+ bool getFinFlag ();
+
+ void setSynFlag (bool);
+ bool getSynFlag ();
+
+ void setResetFlag (bool);
+ bool getResetFlag ();
+
+ void setPushFlag (bool);
+ bool getPushFlag ();
+
+ void setAckFlag (bool);
+ bool getAckFlag ();
+
+ void setUrgentFlag (bool);
+ bool getUrgentFlag ();
+
+ void setWindowSize (uint16_t);
+ uint16_t getWindowSize ();
+
+ void setChecksum (uint16_t);
+ uint16_t getChecksum ();
+
+ inline void setChecksumRaw (uint16_t data){
+ myChecksum = data;
+ }
+
+ void setUrgentOffset (uint16_t);
+ uint16_t getUrgentOffset ();
+
+ uint32_t* getOptionPtr ();
+
+
+////////////////////////////////////////////////////////////////////////////////////////
+// Common Header Interface
+////////////////////////////////////////////////////////////////////////////////////////
+
+public:
+ uint8_t* getPointer (){return (uint8_t*)this;}
+ uint32_t getSize (){return getHeaderLength();}
+
+ uint16_t getNextProtocol ();
+ void setNextProtocol (uint16_t);
+
+ void dump (FILE* fd);
+
+private:
+ uint16_t mySourcePort;
+ uint16_t myDestinationPort;
+ uint32_t mySeqNum;
+ uint32_t myAckNum;
+ uint8_t myHeaderLength;
+ uint8_t myFlags;
+ uint16_t myWindowSize;
+ uint16_t myChecksum;
+ uint16_t myUrgentPtr;
+ uint32_t myOption[1];
+};
+
+#include "TcpHeader.inl"
+
+#endif //_TCP_HEADER_H_