#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)
{
}

DBus::Int32 EchoServer::Random()
{
	return rand();
}

DBus::String EchoServer::Hello(const DBus::String &name)
{
	sleep (10);
	return "Hello " + name + "!";
}

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

	return value;
}

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

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

	DBus::Byte buff[1024];

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

	fclose(handle);

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

DBus::Int32 EchoServer::Sum(const std::vector<DBus::Int32>& ints)
{
	DBus::Int32 sum = 0;

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

	return sum;	
}

std::map< DBus::String, DBus::String > EchoServer::Info()
{
	std::map< DBus::String, DBus::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;
}