/*
 *
 * Copyright (c) 2017, Ford Motor Company
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following
 * disclaimer in the documentation and/or other materials provided with the
 * distribution.
 *
 * Neither the name of the Ford Motor Company nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "transport_manager/tcp/tcp_server_originated_socket_connection.h"
#include "transport_manager/tcp/tcp_device.h"
#include "transport_manager/transport_adapter/transport_adapter_controller.h"
#include "utils/logger.h"

namespace transport_manager {
namespace transport_adapter {

CREATE_LOGGERPTR_GLOBAL(logger_, "TransportManager")

TcpServerOriginatedSocketConnection::TcpServerOriginatedSocketConnection(
    const DeviceUID& device_uid,
    const ApplicationHandle& app_handle,
    TransportAdapterController* controller)
    : ThreadedSocketConnection(device_uid, app_handle, controller) {}

TcpServerOriginatedSocketConnection::~TcpServerOriginatedSocketConnection() {
  StopAndJoinThread();
}

bool TcpServerOriginatedSocketConnection::Establish(ConnectError** error) {
  LOG4CXX_AUTO_TRACE(logger_);
  DCHECK(error);
  LOG4CXX_DEBUG(logger_, "error " << error);
  DeviceSptr device = controller()->FindDevice(device_handle());
  if (!device.valid()) {
    LOG4CXX_ERROR(logger_, "Device " << device_handle() << " not found");
    *error = new ConnectError();
    return false;
  }
  TcpDevice* tcp_device = static_cast<TcpDevice*>(device.get());

  const int port = tcp_device->GetApplicationPort(application_handle());
  if (-1 == port) {
    LOG4CXX_ERROR(logger_,
                  "Application port for " << application_handle()
                                          << " not found");
    *error = new ConnectError();
    return false;
  }

  if (IsConnectionTerminated()) {
    LOG4CXX_ERROR(
        logger_,
        "Connection is already terminated. Socket will not be created");
    *error = new ConnectError();
    return false;
  }

  const int socket = ::socket(AF_INET, SOCK_STREAM, 0);
  if (socket < 0) {
    LOG4CXX_ERROR(logger_, "Failed to create socket");
    *error = new ConnectError();
    return false;
  }

  struct sockaddr_in addr = {0};
  addr.sin_family = AF_INET;
  addr.sin_addr.s_addr = tcp_device->in_addr();
  addr.sin_port = htons(port);

  LOG4CXX_DEBUG(logger_,
                "Connecting " << inet_ntoa(addr.sin_addr) << ":" << port);
  set_socket(socket);
  if (::connect(get_socket(), (struct sockaddr*)&addr, sizeof(addr)) < 0) {
    LOG4CXX_ERROR(logger_,
                  "Failed to connect for application " << application_handle()
                                                       << ", error " << errno);
    *error = new ConnectError();
    ShutdownAndCloseSocket();
    return false;
  }

  return true;
}

}  // namespace transport_adapter
}  // namespace transport_manager