plugins/experimental/fastcgi/src/server_intercept.h

/*
 * 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.
 */

#pragma once

#include "ats_fcgi_client.h"
#include "fcgi_config.h"
#include "atscppapi/Transaction.h"
#include "atscppapi/TransactionPlugin.h"
#include "ts/ink_defs.h"
#include "ts/ts.h"
#include "utils_internal.h"
#include <atscppapi/Headers.h>
#include <atscppapi/InterceptPlugin.h>
#include <atscppapi/utils.h>
#include <iostream>
#include <iterator>
#include <map>
#include <netinet/in.h>
#include <string.h>

#define PORT 60000

using std::cout;
using std::endl;
using std::string;

using namespace atscppapi;

namespace ats_plugin
{
class ServerConnection;
class ServerIntercept : public InterceptPlugin
{
public:
  int headCount = 0, bodyCount = 0, emptyCount = 0;
  bool dataBuffered, clientAborted = false;
  bool serverDataBuffered;
  string serverResponse;
  TSHttpTxn _txn;
  ServerIntercept(Transaction &transaction) : InterceptPlugin(transaction, InterceptPlugin::SERVER_INTERCEPT)
  {
    _txn                = static_cast<TSHttpTxn>(transaction.getAtsHandle());
    clientAborted       = false;
    dataBuffered        = false;
    serverDataBuffered  = false;
    inputCompleteState  = false;
    outputCompleteState = false;
    TSDebug(PLUGIN_NAME, "ServerIntercept : Added Server intercept");
  }

  ~ServerIntercept() override;

  void consume(const string &data, InterceptPlugin::RequestDataType type) override;
  void handleInputComplete() override;
  void streamReqHeader(const string &data);
  void streamReqBody(const string &data);

  bool writeResponseChunkToATS(std::string &data);
  bool setResponseOutputComplete();

  void
  setRequestId(uint request_id)
  {
    _request_id = request_id;
  }

  uint
  requestId()
  {
    return _request_id;
  }

  bool
  getOutputCompleteState()
  {
    return outputCompleteState;
  }

private:
  uint _request_id;
  string clientHeader, clientBody;

  bool inputCompleteState, outputCompleteState;
};
} // namespace ats_plugin