Method ParseData

tests/profiling/gatordmock/StreamMetadataCommandHandler.cpp:59–119

}

void StreamMetadataCommandHandler::ParseData(const arm::pipe::Packet &packet)
{
    // Check that at least the packet contains the fixed-length fields
    if (packet.GetLength() < 80)
    {
        return;
    }

    // Utils
    unsigned int uint16_t_size = sizeof(uint16_t);
    unsigned int uint32_t_size = sizeof(uint32_t);

    const unsigned char* buffer = packet.GetData();
    unsigned int offset = 0;

    // Get the fixed-length fields
    m_PipeMagic = arm::pipe::ReadUint32(buffer, offset);
    offset += uint32_t_size;
    m_StreamMetadataVersion = arm::pipe::ReadUint32(buffer, offset);
    offset += uint32_t_size;
    m_MaxDataLen = arm::pipe::ReadUint32(buffer, offset);
    offset += uint32_t_size;
    m_Pid = arm::pipe::ReadUint32(buffer, offset);
    offset += uint32_t_size;
    m_OffsetInfo = arm::pipe::ReadUint32(buffer, offset);
    offset += uint32_t_size;
    m_OffsetHwVersion = arm::pipe::ReadUint32(buffer, offset);
    offset += uint32_t_size;
    m_OffsetSwVersion = arm::pipe::ReadUint32(buffer, offset);
    offset += uint32_t_size;
    m_OffsetProcessName = arm::pipe::ReadUint32(buffer, offset);
    offset += uint32_t_size;
    m_OffsetPacketVersionTable = arm::pipe::ReadUint32(buffer, offset);
    offset += uint32_t_size * 2; // Also skipping the reserved word (all zeros)

    // Get the string fields
    m_SoftwareInfo    = m_OffsetInfo        > 0 ? ReadString(buffer, m_OffsetInfo)        : "";
    m_HardwareVersion = m_OffsetHwVersion   > 0 ? ReadString(buffer, m_OffsetHwVersion)   : "";
    m_SoftwareVersion = m_OffsetSwVersion   > 0 ? ReadString(buffer, m_OffsetSwVersion)   : "";
    m_ProcessName     = m_OffsetProcessName > 0 ? ReadString(buffer, m_OffsetProcessName) : "";

    // Get the packet versions
    m_PacketVersionTable.clear();
    if (m_OffsetPacketVersionTable > 0)
    {
        offset = m_OffsetPacketVersionTable;
        uint16_t packetEntries = arm::pipe::ReadUint16(buffer, offset + uint16_t_size);
        offset += uint32_t_size; // Also skipping the reserved bytes (all zeros)
        for (uint16_t i = 0; i < packetEntries; i++)
        {
            uint16_t packetFamilyAndId = arm::pipe::ReadUint16(buffer, offset + uint16_t_size);
            uint16_t packetFamily = (packetFamilyAndId >> 10) & 0x003F;
            uint16_t packetId     = (packetFamilyAndId >>  0) & 0x03FF;
            offset += uint32_t_size; // Also skipping the reserved bytes (all zeros)
            uint32_t packetVersion = arm::pipe::ReadUint32(buffer, offset);
            offset += uint32_t_size;

            m_PacketVersionTable.push_back({ packetFamily, packetId, packetVersion });