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#include <dbus/dbus.h>
#include <stdio.h>
#include <sys/time.h>
#define DBUS_COMPILATION /* cheat and use DBusList */
#include <dbus/dbus-list.h>
#include <bus/connection.h>
#undef DBUS_COMPILATION
typedef struct
{
long time;
DBusTimeout *timeout;
} LoopTimeout;
static DBusList *timeouts;
static long
get_time (void)
{
struct timeval r;
long time;
/* Can't use dbus-sysdeps here since that isn't
* available outside of libdbus.
*/
gettimeofday (&r, NULL);
time = r.tv_sec * 1000;
time += r.tv_usec / 1000;
return time;
}
static void
add_timeout (DBusTimeout *timeout,
void *data)
{
LoopTimeout *lt;
lt = dbus_new (LoopTimeout, 1);
lt->time = get_time () + dbus_timeout_get_interval (timeout);
lt->timeout = timeout;
_dbus_list_append (&timeouts, lt);
printf ("add timeout!\n");
}
static void
remove_timeout (DBusTimeout *timeout,
void *data)
{
printf ("remove timeout!\n");
}
static DBusHandlerResult
message_handler (DBusMessageHandler *handler,
DBusConnection *connection,
DBusMessage *message,
void *user_data)
{
printf ("server got a message!: %s\n",
dbus_message_get_name (message));
return DBUS_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
}
static void
new_connection_callback (DBusServer *server,
DBusConnection *new_connection,
void *data)
{
if (!bus_connection_setup (new_connection))
return;
dbus_connection_set_timeout_functions (new_connection,
add_timeout, remove_timeout,
NULL, NULL);
dbus_connection_ref (new_connection);
}
static dbus_bool_t running_loop;
static void
loop_quit (void)
{
running_loop = FALSE;
}
static void
loop_run (void)
{
running_loop = TRUE;
long start_time = get_time ();
/* Horribly inefficient main loop */
while (running_loop)
{
DBusList *link, *list_copy;
long time;
time = get_time ();
_dbus_list_copy (&timeouts, &list_copy);
link = _dbus_list_get_first_link (&list_copy);
while (link != NULL)
{
LoopTimeout *lt = link->data;
if (lt->time <= time)
{
dbus_timeout_handle (lt->timeout);
_dbus_list_remove (&timeouts, lt);
}
link = _dbus_list_get_next_link (&list_copy, link);
}
if (get_time () - start_time > 1000)
loop_quit ();
}
}
int
main (int argc,
char **argv)
{
DBusServer *server;
DBusConnection *connection;
DBusResultCode result;
DBusMessage *message;
DBusMessageHandler *handler;
server = dbus_server_listen ("debug:name=test-server", &result);
dbus_server_set_new_connection_function (server,
new_connection_callback,
NULL, NULL);
dbus_server_set_timeout_functions (server,
add_timeout, remove_timeout,
NULL, NULL);
if (server == NULL)
{
fprintf (stderr, "Failed to start server: %s\n",
dbus_result_to_string (result));
return 1;
}
connection = dbus_connection_open ("debug:name=test-server", &result);
dbus_connection_set_timeout_functions (connection,
add_timeout, remove_timeout,
NULL, NULL);
if (connection == NULL)
{
fprintf (stderr, "Failed to connect to server: %s\n",
dbus_result_to_string (result));
return 1;
}
message = dbus_message_new (DBUS_SERVICE_DBUS,
DBUS_MESSAGE_HELLO);
dbus_message_append_fields (message,
DBUS_TYPE_STRING, "test",
0);
handler = dbus_message_handler_new (message_handler, NULL, NULL);
dbus_connection_add_filter (connection, handler);
dbus_connection_send_message (connection, message, NULL, NULL);
dbus_message_unref (message);
bus_connection_init ();
loop_run ();
dbus_connection_disconnect (connection);
return 0;
}
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