etherpkt.hh (11290:1640dd68b0a4) | etherpkt.hh (11701:5e7599457b97) |
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1/* 2 * Copyright (c) 2002-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 35 unchanged lines hidden (view full) --- 44#include "sim/serialize.hh" 45 46/* 47 * Reference counted class containing ethernet packet data 48 */ 49class EthPacketData 50{ 51 public: | 1/* 2 * Copyright (c) 2002-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 35 unchanged lines hidden (view full) --- 44#include "sim/serialize.hh" 45 46/* 47 * Reference counted class containing ethernet packet data 48 */ 49class EthPacketData 50{ 51 public: |
52 /* | 52 /** |
53 * Pointer to packet data will be deleted 54 */ 55 uint8_t *data; 56 | 53 * Pointer to packet data will be deleted 54 */ 55 uint8_t *data; 56 |
57 /* 58 * Length of the current packet | 57 /** 58 * Amount of space occupied by the payload in the data buffer |
59 */ 60 unsigned length; 61 | 59 */ 60 unsigned length; 61 |
62 public: | 62 /** 63 * Effective length, used for modeling timing in the simulator. 64 * This could be different from length if the packets are assumed 65 * to use a tightly packed or compressed format, but it's not worth 66 * the performance/complexity hit to perform that packing or compression 67 * in the simulation. 68 */ 69 unsigned simLength; 70 |
63 EthPacketData() | 71 EthPacketData() |
64 : data(NULL), length(0) | 72 : data(nullptr), length(0), simLength(0) |
65 { } 66 67 explicit EthPacketData(unsigned size) | 73 { } 74 75 explicit EthPacketData(unsigned size) |
68 : data(new uint8_t[size]), length(0) | 76 : data(new uint8_t[size]), length(0), simLength(0) |
69 { } 70 71 ~EthPacketData() { if (data) delete [] data; } 72 | 77 { } 78 79 ~EthPacketData() { if (data) delete [] data; } 80 |
73 public: 74 | |
75 void serialize(const std::string &base, CheckpointOut &cp) const; 76 void unserialize(const std::string &base, CheckpointIn &cp); | 81 void serialize(const std::string &base, CheckpointOut &cp) const; 82 void unserialize(const std::string &base, CheckpointIn &cp); |
77 78 unsigned size() const { return length; } | |
79}; 80 81typedef std::shared_ptr<EthPacketData> EthPacketPtr; 82 83#endif // __DEV_NET_ETHERPKT_HH__ | 83}; 84 85typedef std::shared_ptr<EthPacketData> EthPacketPtr; 86 87#endif // __DEV_NET_ETHERPKT_HH__ |