Example #1
0
void ClientSideResponse::_ReadChunkedBody(XRef<XStreamIO> socket)
{
    char lineBuf[MAX_HEADER_LINE+1];
    bool moreChunks = true;

    while(moreChunks)
    {
        memset(lineBuf, 0, MAX_HEADER_LINE+1);

        _ReadHeaderLine(socket, lineBuf, false);

        if(lineBuf[0] == '0')
        {
            _ConsumeFooter(socket);
            return;
        }

        if(_EmbedNull(lineBuf))
        {
            const XString chunkLenS = lineBuf;
            const uint32_t chunkLen = chunkLenS.ToUInt(16);

            // We read our chunk into a temporary "chunk" XMemory object, we then optionally
            // call our "chunk callback" function... Finally, we copy the new chunk into the
            // main body contents object.

            _chunk->Clear();
            if(!_ReceiveData(socket, &_chunk->Extend(chunkLen), chunkLen))
                X_STHROW(WebbyException, ("Failed to read data from socket->"));

            // call callback here...
            if(_ch)
                moreChunks = _ch(_chunkHandlerContext, _chunk, *this);

            // We only append a chunk to our "_bodyContents" if we are not streaming (
            // because "streams" potentially have no end, so an XMemory that contains the
            // complete body contents would just grow forever).
            if(!_streaming)
                memcpy(&(_bodyContents->Extend(chunkLen)), _chunk->Map(), chunkLen);

            _ReadEndOfLine(socket);
        }
    }
}