content/browser/renderer_host/p2p/socket_host_test_utils.h

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_TEST_UTILS_H_
#define CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_TEST_UTILS_H_

#include <stdint.h>

#include <string>
#include <tuple>
#include <vector>

#include "content/common/p2p_messages.h"
#include "ipc/ipc_sender.h"
#include "net/base/net_errors.h"
#include "net/log/net_log_with_source.h"
#include "net/socket/stream_socket.h"
#include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

const char kTestLocalIpAddress[] = "123.44.22.4";
const char kTestIpAddress1[] = "123.44.22.31";
const uint16_t kTestPort1 = 234;
const char kTestIpAddress2[] = "133.11.22.33";
const uint16_t kTestPort2 = 543;

class MockIPCSender : public IPC::Sender {
 public:
  MockIPCSender();
  ~MockIPCSender() override;

  MOCK_METHOD1(Send, bool(IPC::Message* msg));
};

class FakeSocket : public net::StreamSocket {
 public:
  FakeSocket(std::string* written_data);
  ~FakeSocket() override;

  void set_async_write(bool async_write) { async_write_ = async_write; }
  void AppendInputData(const char* data, int data_size);
  int input_pos() const { return input_pos_; }
  bool read_pending() const { return read_pending_; }
  void SetPeerAddress(const net::IPEndPoint& peer_address);
  void SetLocalAddress(const net::IPEndPoint& local_address);

  // net::Socket implementation.
  int Read(net::IOBuffer* buf,
           int buf_len,
           net::CompletionOnceCallback callback) override;
  int Write(
      net::IOBuffer* buf,
      int buf_len,
      net::CompletionOnceCallback callback,
      const net::NetworkTrafficAnnotationTag& traffic_annotation) override;
  int SetReceiveBufferSize(int32_t size) override;
  int SetSendBufferSize(int32_t size) override;
  int Connect(net::CompletionOnceCallback callback) override;
  void Disconnect() override;
  bool IsConnected() const override;
  bool IsConnectedAndIdle() const override;
  int GetPeerAddress(net::IPEndPoint* address) const override;
  int GetLocalAddress(net::IPEndPoint* address) const override;
  const net::NetLogWithSource& NetLog() const override;
  bool WasEverUsed() const override;
  bool WasAlpnNegotiated() const override;
  net::NextProto GetNegotiatedProtocol() const override;
  bool GetSSLInfo(net::SSLInfo* ssl_info) override;
  void GetConnectionAttempts(net::ConnectionAttempts* out) const override;
  void ClearConnectionAttempts() override {}
  void AddConnectionAttempts(const net::ConnectionAttempts& attempts) override {
  }
  int64_t GetTotalReceivedBytes() const override;
  void ApplySocketTag(const net::SocketTag& tag) override {}

 private:
  void DoAsyncWrite(scoped_refptr<net::IOBuffer> buf,
                    int buf_len,
                    net::CompletionOnceCallback callback);

  bool read_pending_;
  scoped_refptr<net::IOBuffer> read_buffer_;
  int read_buffer_size_;
  net::CompletionOnceCallback read_callback_;

  std::string input_data_;
  int input_pos_;

  std::string* written_data_;
  bool async_write_;
  bool write_pending_;

  net::IPEndPoint peer_address_;
  net::IPEndPoint local_address_;

  net::NetLogWithSource net_log_;
};

void CreateRandomPacket(std::vector<char>* packet);
void CreateStunRequest(std::vector<char>* packet);
void CreateStunResponse(std::vector<char>* packet);
void CreateStunError(std::vector<char>* packet);

net::IPEndPoint ParseAddress(const std::string& ip_str, uint16_t port);

MATCHER_P(MatchMessage, type, "") {
  return arg->type() == type;
}

MATCHER_P(MatchPacketMessage, packet_content, "") {
  if (arg->type() != P2PMsg_OnDataReceived::ID)
    return false;
  P2PMsg_OnDataReceived::Param params;
  P2PMsg_OnDataReceived::Read(arg, &params);
  return std::get<2>(params) == packet_content;
}

MATCHER_P(MatchIncomingSocketMessage, address, "") {
  if (arg->type() != P2PMsg_OnIncomingTcpConnection::ID)
    return false;
  P2PMsg_OnIncomingTcpConnection::Param params;
  P2PMsg_OnIncomingTcpConnection::Read(
      arg, &params);
  return std::get<1>(params) == address;
}

MATCHER_P2(MatchSendPacketMetrics, rtc_packet_id, test_start_time, "") {
  if (arg->type() != P2PMsg_OnSendComplete::ID)
    return false;

  P2PMsg_OnSendComplete::Param params;
  P2PMsg_OnSendComplete::Read(arg, &params);
  return std::get<1>(params).rtc_packet_id == rtc_packet_id &&
         std::get<1>(params).send_time >= test_start_time &&
         std::get<1>(params).send_time <= base::TimeTicks::Now();
}

#endif  // CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_TEST_UTILS_H_