jni/libdbus-c++-0.9.0-android/examples/echo/echo-client.cpp

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

#include "echo-client.h"
#include <iostream>
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <cstring>

using namespace std;

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

EchoClient::EchoClient(DBus::Connection &connection, const char *path, const char *name)
  : DBus::ObjectProxy(connection, path, name)
{
}

void EchoClient::Echoed(const DBus::Variant &value)
{
  cout << "!";
}

static const size_t THREADS = 3;

static bool spin = true;

EchoClient *g_client = NULL;

DBus::Pipe *thread_pipe_list[THREADS];

DBus::BusDispatcher dispatcher;
DBus::DefaultTimeout *timeout;

void *greeter_thread(void *arg)
{
  char idstr[16];
  size_t i = (size_t) arg;

  snprintf(idstr, sizeof(idstr), "%lu", pthread_self());

  thread_pipe_list[i]->write(idstr, strlen(idstr) + 1);

  cout << idstr << " done (" << i << ")" << endl;

  return NULL;
}

void niam(int sig)
{
  spin = false;

  dispatcher.leave();
}

void handler1(const void *data, void *buffer, unsigned int nbyte)
{
  char *str = (char *) buffer;
  cout << "buffer1: " << str << ", size: " << nbyte << endl;
  for (int i = 0; i < 30 && spin; ++i)
  {
    cout << "call1: " << g_client->Hello(str) << endl;
  }
}

void handler2(const void *data, void *buffer, unsigned int nbyte)
{
  char *str = (char *) buffer;
  cout << "buffer2: " << str << ", size: " << nbyte << endl;
  for (int i = 0; i < 30 && spin; ++i)
  {
    cout << "call2: " << g_client->Hello(str) << endl;
  }
}

void handler3(const void *data, void *buffer, unsigned int nbyte)
{
  char *str = (char *) buffer;
  cout << "buffer3: " << str << ", size: " << nbyte << endl;
  for (int i = 0; i < 30 && spin; ++i)
  {
    cout << "call3: " << g_client->Hello(str) << endl;
  }
}

int main()
{
  size_t i;

  signal(SIGTERM, niam);
  signal(SIGINT, niam);

  DBus::_init_threading();

  DBus::default_dispatcher = &dispatcher;

  // increase DBus-C++ frequency
  new DBus::DefaultTimeout(100, false, &dispatcher);

  DBus::Connection conn = DBus::Connection::SessionBus();

  EchoClient client(conn, ECHO_SERVER_PATH, ECHO_SERVER_NAME);
  g_client = &client;

  pthread_t threads[THREADS];

  thread_pipe_list[0] = dispatcher.add_pipe(handler1, NULL);
  thread_pipe_list[1] = dispatcher.add_pipe(handler2, NULL);
  thread_pipe_list[2] = dispatcher.add_pipe(handler3, NULL);
  for (i = 0; i < THREADS; ++i)
  {
    pthread_create(threads + i, NULL, greeter_thread, (void *) i);
  }

  dispatcher.enter();

  cout << "terminating" << endl;

  for (i = 0; i < THREADS; ++i)
  {
    pthread_join(threads[i], NULL);
  }

  dispatcher.del_pipe(thread_pipe_list[0]);
  dispatcher.del_pipe(thread_pipe_list[1]);
  dispatcher.del_pipe(thread_pipe_list[2]);

  return 0;
}