/** @file
 *
 *  A brief file description
 *
 *  @section license License
 *
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

#include "proxy/http3/Http3FrameCollector.h"

#include "proxy/http3/Http3DebugNames.h"

namespace
{
DbgCtl dbg_ctl_http3{"http3"};

} // end anonymous namespace

Http3ErrorUPtr
Http3FrameCollector::on_write_ready(QUICStreamId stream_id, MIOBuffer &writer, size_t &nwritten, bool &all_done)
{
  all_done = true;
  nwritten = 0;

  for (auto g : this->_generators) {
    if (g->is_done()) {
      continue;
    }
    size_t         len   = 0;
    Http3FrameUPtr frame = g->generate_frame();
    if (frame) {
      auto b    = frame->to_io_buffer_block();
      len       = writer.write(b.get(), INT64_MAX, 0);
      nwritten += len;
      Dbg(dbg_ctl_http3, "[TX] [%" PRIu64 "] | %s size=%zu", stream_id, Http3DebugNames::frame_type(frame->type()), len);
    }

    all_done &= g->is_done();
  }

  return Http3ErrorUPtr(nullptr);
}

void
Http3FrameCollector::add_generator(Http3FrameGenerator *generator)
{
  this->_generators.push_back(generator);
}