Method Load

src/brpc/policy/rtmp_protocol.cpp:336–346

}

void KeyBlock::Load(const void* buf) {
    // Layout of key (764 bytes)
    //   random-data: `offset' bytes
    //   key-data: 128 bytes
    //   random-data: 764 - `offset' - 128 - 4 bytes
    //   offset: 4 bytes
    _offset_data = ReadBigEndian4Bytes((const char*)buf + SIZE - 4);
    const uint8_t* p = (const uint8_t*)&_offset_data;
    _offset = ((uint32_t)p[0] + p[1] + p[2] + p[3]) % (SIZE - KEY_SIZE - 4);
    memcpy(_buf, buf, SIZE - 4);
}

void KeyBlock::Save(void* buf) const {
    memcpy(buf, _buf, SIZE - 4);