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Lines 108-113
V4Ping::Receive (Ptr<Socket> socket)
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| 108 |
} |
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} |
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} |
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} |
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void |
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V4Ping::Write32 (uint8_t *buffer, uint32_t data) |
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{ |
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buffer[0] = (data >> 0) & 0xff; |
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buffer[1] = (data >> 8) & 0xff; |
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buffer[2] = (data >> 16) & 0xff; |
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buffer[3] = (data >> 24) & 0xff; |
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} |
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void |
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void |
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V4Ping::StartApplication (void) |
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V4Ping::StartApplication (void) |
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{ |
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{ |
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Lines 128-140
V4Ping::StartApplication (void)
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| 128 |
echo.SetSequenceNumber (m_seq); |
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echo.SetSequenceNumber (m_seq); |
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m_seq++; |
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m_seq++; |
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echo.SetIdentifier (0); |
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echo.SetIdentifier (0); |
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uint32_t data[4]; |
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data[0] = GetNode ()->GetId (); |
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// |
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data[1] = GetApplicationId (); |
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// We must write quantities out in some form of network order. Since there |
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// isn't an htonl to work with we just follow the convention in pcap traces |
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// (where any difference would show up anyway) and borrow that code. Don't |
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// be too surprised when you see that this is a little endian convention. |
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// |
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uint8_t data[4 * sizeof(uint32_t)]; |
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uint32_t tmp = GetNode ()->GetId (); |
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Write32 (&data[0 * sizeof(uint32_t)], tmp); |
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tmp = GetApplicationId (); |
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Write32 (&data[1 * sizeof(uint32_t)], tmp); |
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int64_t now = Simulator::Now ().GetTimeStep (); |
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int64_t now = Simulator::Now ().GetTimeStep (); |
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data[2] = now & 0xffffffff; |
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tmp = now & 0xffffffff; |
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Write32 (&data[2 * sizeof(uint32_t)], tmp); |
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now >>= 32; |
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now >>= 32; |
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data[3] = now & 0xffffffff; |
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tmp = now & 0xffffffff; |
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Write32 (&data[3 * sizeof(uint32_t)], tmp); |
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Ptr<Packet> dataPacket = Create<Packet> ((uint8_t *) &data, 16); |
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Ptr<Packet> dataPacket = Create<Packet> ((uint8_t *) &data, 16); |
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echo.SetData (dataPacket); |
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echo.SetData (dataPacket); |
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p->AddHeader (echo); |
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p->AddHeader (echo); |