void TZlibTransport::write(const uint8_t* buf, uint32_t len) {
// zlib's "deflate" function has enough logic in it that I think
// we're better off (performance-wise) buffering up small writes.
if ((int)len > MIN_DIRECT_DEFLATE_SIZE) {
flushToZlib(uwbuf_, uwpos_);
uwpos_ = 0;
flushToZlib(buf, len);
} else if (len > 0) {
if (uwbuf_size_ - uwpos_ < (int)len) {
flushToZlib(uwbuf_, uwpos_);
uwpos_ = 0;
}
memcpy(uwbuf_ + uwpos_, buf, len);
uwpos_ += len;
}
}
void TZlibTransport::write(const uint8_t* buf, uint32_t len) {
if (output_finished_) {
throw TTransportException(TTransportException::BAD_ARGS,
"write() called after finish()");
}
// zlib's "deflate" function has enough logic in it that I think
// we're better off (performance-wise) buffering up small writes.
if (len > MIN_DIRECT_DEFLATE_SIZE) {
flushToZlib(uwbuf_, uwpos_, Z_NO_FLUSH);
uwpos_ = 0;
flushToZlib(buf, len, Z_NO_FLUSH);
} else if (len > 0) {
if (uwbuf_size_ - uwpos_ < len) {
flushToZlib(uwbuf_, uwpos_, Z_NO_FLUSH);
uwpos_ = 0;
}
memcpy(uwbuf_ + uwpos_, buf, len);
uwpos_ += len;
}
}
void TZlibTransport::flushToTransport(int flush) {
// write pending data in uwbuf_ to zlib
flushToZlib(uwbuf_, uwpos_, flush);
uwpos_ = 0;
// write all available data from zlib to the transport
transport_->write(cwbuf_, cwbuf_size_ - wstream_->avail_out);
wstream_->next_out = cwbuf_;
wstream_->avail_out = cwbuf_size_;
// flush the transport
transport_->flush();
}
void TZlibTransport::flush() {
flushToZlib(uwbuf_, uwpos_, true);
assert((int)wstream_->avail_out != cwbuf_size_);
transport_->write(cwbuf_, cwbuf_size_ - wstream_->avail_out);
transport_->flush();
}