#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "echo-server.h"
#include <unistd.h>
#include <stdlib.h>
#include <signal.h>
#include <stdio.h>
#include <limits.h>

static const char *ECHO_SERVER_NAME = "org.freedesktop.DBus.Examples.Echo";
static const char *ECHO_SERVER_PATH = "/org/freedesktop/DBus/Examples/Echo";

EchoServer::EchoServer(DBus::Connection &connection)
  : DBus::ObjectAdaptor(connection, ECHO_SERVER_PATH)
{
}

int32_t EchoServer::Random()
{
  return rand();
}

std::string EchoServer::Hello(const std::string &name)
{
  return "Hello " + name + "!";
}

DBus::Variant EchoServer::Echo(const DBus::Variant &value)
{
  this->Echoed(value);

  return value;
}

std::vector< uint8_t > EchoServer::Cat(const std::string &file)
{
  FILE *handle = fopen(file.c_str(), "rb");

  if (!handle) throw DBus::Error("org.freedesktop.DBus.EchoDemo.ErrorFileNotFound", "file not found");

  uint8_t buff[1024];

  size_t nread = fread(buff, 1, sizeof(buff), handle);

  fclose(handle);

  return std::vector< uint8_t > (buff, buff + nread);
}

int32_t EchoServer::Sum(const std::vector<int32_t>& ints)
{
  int32_t sum = 0;

  for (size_t i = 0; i < ints.size(); ++i) sum += ints[i];

  return sum;
}

std::map< std::string, std::string > EchoServer::Info()
{
  std::map< std::string, std::string > info;
  char hostname[HOST_NAME_MAX];

  gethostname(hostname, sizeof(hostname));
  info["hostname"] = hostname;
  info["username"] = getlogin();

  return info;
}


DBus::BusDispatcher dispatcher;

void niam(int sig)
{
  dispatcher.leave();
}

int main()
{
  signal(SIGTERM, niam);
  signal(SIGINT, niam);

  DBus::default_dispatcher = &dispatcher;

  DBus::Connection conn = DBus::Connection::SessionBus();
  conn.request_name(ECHO_SERVER_NAME);

  EchoServer server(conn);

  dispatcher.enter();

  return 0;
}