add echo_ecore example

examples/echo_ecore/echo-client.cpp

@@ -0,0 +1,136 @@
+#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 << "!";
+}
+
+/*
+ * For some strange reason, libdbus frequently dies with an OOM
+ */
+
+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;
+}