add echo_ecore example

examples/echo_ecore/echo-server.cpp

@@ -0,0 +1,96 @@
+#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;
+}