Method fillData

extra/yassl/src/yassl_int.cpp:1172–1198

use input buffer to fill data

// use input buffer to fill data
void SSL::fillData(Data& data)
{
    if (GetError()) return;
    uint dataSz   = data.get_length();        // input, data size to fill
    size_t elements = buffers_.getData().size();

    data.set_length(0);                         // output, actual data filled
    dataSz = min(dataSz, bufferedData());

    for (size_t i = 0; i < elements; i++) {
        input_buffer* front = buffers_.getData().front();
        uint frontSz = front->get_remaining();
        uint readSz  = min(dataSz - data.get_length(), frontSz);

        front->read(data.set_buffer() + data.get_length(), readSz);
        data.set_length(data.get_length() + readSz);

        if (readSz == frontSz) {
            buffers_.useData().pop_front();
            ysDelete(front);
        }
        if (data.get_length() == dataSz)
            break;
    }
    
    if (buffers_.getData().size() == 0) has_data_ = false;  // none left
}


// like Fill but keep data in buffer