etherpkt.hh (11290:1640dd68b0a4) etherpkt.hh (11701:5e7599457b97)
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;

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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__