Method GetUseMemoryBlock

base/LoopBuffer.cpp:187–210

}

bool CLoopBuffer::GetUseMemoryBlock(void*& res1, int& len1, void*& res2, int& len2) {
    res1 = res2 = nullptr;
    len1 = len2 = 0;

    std::unique_lock<std::mutex> lock(_mutex);
    if (_read >= _write) {
        if (!_can_read && _write == _read) {
            return false;
        }
        res1 = _read;
        len1 = (int)(_buffer_end - _read);

        len2 = (int)(_write - _buffer_start);
        if(len2 > 0) {
            res2 = _buffer_start;
        }
        return true;

    } else {
        res1 = _read;
        len1 = (int)(_write - _read);
        return true;
    }
}

int CLoopBuffer::FindStr(const char* s, int s_len) {
    std::unique_lock<std::mutex> lock(_mutex);