/**
 * Copyright 2012-2013 Centreon
 *
 * Licensed 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.
 *
 * For more information : contact@centreon.com
 */

#include <chrono>
#include <cstring>
#include <ctime>
#include <iostream>
#include <sstream>
#include <string>
#include <thread>
#include "com/centreon/exceptions/msg_fmt.hh"
#include "com/centreon/process.hh"
#include "test/connector/binary.hh"

using namespace com::centreon;
using com::centreon::exceptions::msg_fmt;

#define CMD1      \
  "2\0"           \
  "4242\0"        \
  "3\0"           \
  "123456789\0"   \
  "check_by_ssh " \
  "-H localhost " \
  " -C 'sleep 30'\0\0\0\0"
#define RESULT \
  "3\0"        \
  "4242\0"     \
  "0\0"        \
  "-1\0"       \
  " \0"        \
  " \0\0\0\0"

/**
 *  Check that connector set timeout on commands.
 *
 *  @return 0 on success.
 */
int main() {
  // Process.
  process p;
  p.enable_stream(process::in, true);
  p.enable_stream(process::out, true);
  p.exec(CONNECTOR_SSH_BINARY);

  // Write command.
  std::ostringstream oss;
  oss.write(CMD1, sizeof(CMD1) - 1);
  std::string cmd(oss.str());
  char const* ptr(cmd.c_str());
  unsigned int size(cmd.size());
  while (size > 0) {
    unsigned int rb(p.write(ptr, size));
    size -= rb;
    ptr += rb;
  }
  p.enable_stream(process::in, false);

  // Schedule process termination.
  std::thread killer([&p]() {
    std::this_thread::sleep_for(std::chrono::seconds(4));
    p.terminate();
  });

  // Read reply.
  std::string output;
  while (true) {
    std::string buffer;
    p.read(buffer);
    if (buffer.empty())
      break;
    output.append(buffer);
  }

  // Wait for process termination.
  p.wait();
  int retval(p.exit_code() != 0);

  try {
    if (retval)
      throw msg_fmt("invalid return code: {}", retval);
    if (output.size() != (sizeof(RESULT) - 1) ||
        memcmp(output.c_str(), RESULT, sizeof(RESULT) - 1))
      throw msg_fmt("invalid output: size={}, output={}", output.size(),
                    output);
  } catch (std::exception const& e) {
    retval = 1;
    std::cerr << "error: " << e.what() << std::endl;
  }
  killer.join();

  return retval;
}
