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2005-06-20 Colin Walters <walters@verbum.org>

Browse source 
* configure.in: Add glib/examples.

	* glib/Makefile.am: Add examples/

	* glib/examples/.cvsignore
	* glib/examples/Makefile.am
	* glib/examples/example-client.c
	* glib/examples/example-service.c
	* glib/examples/example-service.xml
	* glib/examples/example-signal-emitter.c
	* glib/examples/example-signal-emitter.xml
	* glib/examples/example-signal-recipient.c:
	New files; GLib binding examples, ported from
	python/examples.
This commit is contained in:
Colin Walters 2005-06-21 01:18:25 +00:00
parent 778579ec21
commit 21a73df1b5
11 changed files with 583 additions and 0 deletions
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17
ChangeLog
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@ -1,3 +1,20 @@
2005-06-20 Colin Walters <walters@verbum.org>
* configure.in: Add glib/examples.
* glib/Makefile.am: Add examples/
* glib/examples/.cvsignore
* glib/examples/Makefile.am
* glib/examples/example-client.c
* glib/examples/example-service.c
* glib/examples/example-service.xml
* glib/examples/example-signal-emitter.c
* glib/examples/example-signal-emitter.xml
* glib/examples/example-signal-recipient.c:
New files; GLib binding examples, ported from
python/examples.
2005-06-20 Colin Walters <walters@verbum.org>
* dbus/dbus-glib.h:

1
configure.in
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@ -1260,6 +1260,7 @@ bus/dbus-daemon.1
Makefile
dbus/Makefile
glib/Makefile
glib/examples/Makefile
python/Makefile
python/examples/Makefile
qt/Makefile

2
glib/Makefile.am
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@ -1,3 +1,5 @@
SUBDIRS = . examples
INCLUDES=-I$(top_srcdir) $(DBUS_CLIENT_CFLAGS) $(DBUS_GLIB_CFLAGS) $(DBUS_GLIB_TOOL_CFLAGS) -DDBUS_COMPILATION=1 -DDBUS_LOCALEDIR=\"$(prefix)/@DATADIRNAME@/locale\"
lib_LTLIBRARIES=libdbus-glib-1.la

17
glib/examples/.cvsignore Normal file
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.deps
.libs
Makefile
Makefile.in
*.lo
*.la
example-client
example-service
example-service-glue.h
example-signal-recipient
example-signal-emitter
example-signal-emitter-glue.h
run-with-tmp-session-bus.conf
*.bb
*.bbg
*.da
*.gcov

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glib/examples/Makefile.am Normal file
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INCLUDES=-I$(top_srcdir) $(DBUS_CLIENT_CFLAGS) $(DBUS_GLIB_CFLAGS) -DDBUS_COMPILATION
## Makefile.am bits for sample client/server pair
noinst_PROGRAMS= example-client example-service
example_client_SOURCES= example-client.c
example_client_LDADD= $(top_builddir)/glib/libdbus-glib-1.la
example_service_SOURCES= example-service.c
example_service_LDADD= $(top_builddir)/glib/libdbus-glib-1.la
BUILT_SOURCES = example-service-glue.h
example-service-glue.h: example-service.xml
$(top_builddir)/glib/dbus-binding-tool --prefix=some_object --mode=glib-server --output=example-service-glue.h $(srcdir)/example-service.xml
## Makefile.am bits for another client/server pair
noinst_PROGRAMS += example-signal-recipient example-signal-emitter
example_signal_recipient_SOURCES=_SOURCES= example-signal-recipient.c
example_signal_recipient_LDADD= $(top_builddir)/glib/libdbus-glib-1.la
example_signal_emitter_SOURCES= example-signal-emitter.c
example_signal_emitter_LDADD= $(top_builddir)/glib/libdbus-glib-1.la
BUILT_SOURCES += example-signal-emitter-glue.h
example-signal-emitter-glue.h: example-signal-emitter.xml
$(top_builddir)/glib/dbus-binding-tool --prefix=test_object --mode=glib-server --output=example-signal-emitter-glue.h $(srcdir)/example-signal-emitter.xml
CLEANFILES = $(BUILT_SOURCES)

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#include <dbus/dbus-glib.h>
#include <stdio.h>
#include <stdlib.h>
static void lose (const char *fmt, ...) G_GNUC_NORETURN G_GNUC_PRINTF (1, 2);
static void lose_gerror (const char *prefix, GError *error) G_GNUC_NORETURN;
static void
lose (const char *str, ...)
{
va_list args;
va_start (args, str);
vfprintf (stderr, str, args);
fputc ('\n', stderr);
va_end (args);
exit (1);
}
static void
lose_gerror (const char *prefix, GError *error)
{
lose ("%s: %s", prefix, error->message);
}
static void
print_hash_value (gpointer key, gpointer val, gpointer data)
{
printf ("%s -> %s\n", (char *) key, (char *) val);
}
int
main (int argc, char **argv)
{
DBusGConnection *bus;
DBusGProxy *remote_object;
DBusGProxy *remote_object_introspectable;
GError *error = NULL;
char **reply_list;
char **reply_ptr;
DBusGValue *hello_reply_struct;
GHashTable *hello_reply_dict;
char *introspect_data;
g_type_init ();
bus = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
if (!bus)
lose_gerror ("Couldn't connect to session bus", error);
remote_object = dbus_g_proxy_new_for_name (bus,
"org.designfu.SampleService",
"/SomeObject",
"org.designfu.SampleInterface");
if (!dbus_g_proxy_call (remote_object, "HelloWorld", &error,
G_TYPE_STRING, "Hello from example-client.c!", G_TYPE_INVALID,
G_TYPE_STRV, &reply_list, G_TYPE_INVALID))
lose_gerror ("Failed to complete HelloWorld", error);
/* FIXME - we don't support recursive values yet */
#if 0
if (!dbus_g_proxy_call (remote_object, "GetTuple", &error,
DBUS_TYPE_G_VALUE, &hello_reply_struct, G_TYPE_INVALID))
lose_gerror ("Failed to complete GetTuple", error);
#endif
if (!dbus_g_proxy_call (remote_object, "GetDict", &error,
G_TYPE_INVALID,
DBUS_TYPE_G_STRING_STRING_HASHTABLE, &hello_reply_dict, G_TYPE_INVALID))
lose_gerror ("Failed to complete GetDict", error);
printf ("reply_list: ");
for (reply_ptr = reply_list; *reply_ptr; reply_ptr++)
printf ("\"%s\" ", *reply_ptr);
printf ("\n");
g_strfreev (reply_list);
/* FIXME; do something with hello_reply_struct */
#if 0
dbus_g_value_free (hello_reply_struct);
printf ("\n");
#endif
g_hash_table_foreach (hello_reply_dict, print_hash_value, NULL);
g_hash_table_destroy (hello_reply_dict);
remote_object_introspectable = dbus_g_proxy_new_for_name (bus,
"org.designfu.SampleService",
"/SomeObject",
"org.freedesktop.DBus.Introspectable");
if (!dbus_g_proxy_call (remote_object_introspectable, "Introspect", &error,
G_TYPE_INVALID,
G_TYPE_STRING, &introspect_data, G_TYPE_INVALID))
lose_gerror ("Failed to complete Introspect", error);
printf ("%s", introspect_data);
g_free (introspect_data);
g_object_unref (G_OBJECT (remote_object_introspectable));
g_object_unref (G_OBJECT (remote_object));
exit(0);
}

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#include <dbus/dbus-glib.h>
#include <stdio.h>
#include <stdlib.h>
static void lose (const char *fmt, ...) G_GNUC_NORETURN G_GNUC_PRINTF (1, 2);
static void lose_gerror (const char *prefix, GError *error) G_GNUC_NORETURN;
static void
lose (const char *str, ...)
{
va_list args;
va_start (args, str);
vfprintf (stderr, str, args);
fputc ('\n', stderr);
va_end (args);
exit (1);
}
static void
lose_gerror (const char *prefix, GError *error)
{
lose ("%s: %s", prefix, error->message);
}
typedef struct SomeObject SomeObject;
typedef struct SomeObjectClass SomeObjectClass;
GType some_object_get_type (void);
struct SomeObject
{
GObject parent;
};
struct SomeObjectClass
{
GObjectClass parent;
};
#define SOME_TYPE_OBJECT (some_object_get_type ())
#define SOME_OBJECT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), SOME_TYPE_OBJECT, SomeObject))
#define SOME_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SOME_TYPE_OBJECT, SomeObjectClass))
#define SOME_IS_OBJECT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), SOME_TYPE_OBJECT))
#define SOME_IS_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SOME_TYPE_OBJECT))
#define SOME_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), SOME_TYPE_OBJECT, SomeObjectClass))
G_DEFINE_TYPE(SomeObject, some_object, G_TYPE_OBJECT)
gboolean some_object_hello_world (SomeObject *obj, const char *hello_message, char ***ret, GError **error);
gboolean some_object_get_tuple (SomeObject *obj, DBusGValue **ret, GError **error);
gboolean some_object_get_dict (SomeObject *obj, GHashTable **ret, GError **error);
#include "example-service-glue.h"
static void
some_object_init (SomeObject *obj)
{
}
static void
some_object_class_init (SomeObjectClass *klass)
{
}
gboolean
some_object_hello_world (SomeObject *obj, const char *hello_message, char ***ret, GError **error)
{
printf ("%s\n", hello_message);
*ret = g_new (char *, 3);
(*ret)[0] = g_strdup ("Hello");
(*ret)[1] = g_strdup (" from example-service.c");
(*ret)[2] = NULL;
return TRUE;
}
gboolean
some_object_get_tuple (SomeObject *obj, DBusGValue **ret, GError **error)
{
/* FIXME */
return TRUE;
}
gboolean
some_object_get_dict (SomeObject *obj, GHashTable **ret, GError **error)
{
*ret = g_hash_table_new (g_str_hash, g_str_equal);
g_hash_table_insert (*ret, "first", "Hello Dict");
g_hash_table_insert (*ret, "second", " from example-service.c");
return TRUE;
}
int
main (int argc, char **argv)
{
DBusGConnection *bus;
DBusGProxy *bus_proxy;
GError *error = NULL;
SomeObject *obj;
GMainLoop *mainloop;
guint request_name_result;
g_type_init ();
mainloop = g_main_loop_new (NULL, FALSE);
bus = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
if (!bus)
lose_gerror ("Couldn't connect to session bus", error);
bus_proxy = dbus_g_proxy_new_for_name (bus, "org.freedesktop.DBus",
"/org/freedesktop/DBus",
"org.freedesktop.DBus");
if (!dbus_g_proxy_call (bus_proxy, "RequestName", &error,
G_TYPE_STRING, "org.designfu.SampleService",
G_TYPE_UINT, DBUS_NAME_FLAG_PROHIBIT_REPLACEMENT,
G_TYPE_INVALID,
G_TYPE_UINT, &request_name_result,
G_TYPE_INVALID))
lose_gerror ("Failed to acquire org.designfu.SampleService", error);
obj = g_object_new (SOME_TYPE_OBJECT, NULL);
dbus_g_object_type_install_info (SOME_TYPE_OBJECT, &dbus_glib_some_object_object_info);
dbus_g_connection_register_g_object (bus, "/SomeObject", G_OBJECT (obj));
printf ("service running\n");
g_main_loop_run (mainloop);
exit (0);
}

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<?xml version="1.0" encoding="UTF-8" ?>
<node name="/">
<interface name="org.designfu.SampleInterface">
<method name="HelloWorld">
<arg type="s"/>
<arg type="as" direction="out"/>
</method>
<method name="GetTuple">
<arg type="(ss)" direction="out" />
</method>
<method name="GetDict">
<arg type="a{ss}" direction="out"/>
</method>
</interface>
</node>

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#include <dbus/dbus-glib.h>
#include <stdio.h>
#include <stdlib.h>
static void lose (const char *fmt, ...) G_GNUC_NORETURN G_GNUC_PRINTF (1, 2);
static void lose_gerror (const char *prefix, GError *error) G_GNUC_NORETURN;
static void
lose (const char *str, ...)
{
va_list args;
va_start (args, str);
vfprintf (stderr, str, args);
fputc ('\n', stderr);
va_end (args);
exit (1);
}
static void
lose_gerror (const char *prefix, GError *error)
{
lose ("%s: %s", prefix, error->message);
}
typedef struct TestObject TestObject;
typedef struct TestObjectClass TestObjectClass;
GType test_object_get_type (void);
struct TestObject
{
GObject parent;
};
struct TestObjectClass
{
GObjectClass parent;
};
enum
{
HELLO_SIGNAL,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
#define TEST_TYPE_OBJECT (test_object_get_type ())
#define TEST_OBJECT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), TEST_TYPE_OBJECT, TestObject))
#define TEST_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TEST_TYPE_OBJECT, TestObjectClass))
#define TEST_IS_OBJECT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), TEST_TYPE_OBJECT))
#define TEST_IS_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TEST_TYPE_OBJECT))
#define TEST_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TEST_TYPE_OBJECT, TestObjectClass))
G_DEFINE_TYPE(TestObject, test_object, G_TYPE_OBJECT)
gboolean test_object_emit_hello_signal (TestObject *obj, GError **error);
#include "example-signal-emitter-glue.h"
static void
test_object_init (TestObject *obj)
{
}
static void
test_object_class_init (TestObjectClass *klass)
{
signals[HELLO_SIGNAL] =
g_signal_new ("hello_signal",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
0,
NULL, NULL,
g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE, 1, G_TYPE_STRING);
}
gboolean
test_object_emit_hello_signal (TestObject *obj, GError **error)
{
g_signal_emit (obj, signals[HELLO_SIGNAL], 0, "Hello");
return TRUE;
}
int
main (int argc, char **argv)
{
DBusGConnection *bus;
DBusGProxy *bus_proxy;
GError *error = NULL;
TestObject *obj;
GMainLoop *mainloop;
guint request_name_result;
g_type_init ();
mainloop = g_main_loop_new (NULL, FALSE);
bus = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
if (!bus)
lose_gerror ("Couldn't connect to session bus", error);
bus_proxy = dbus_g_proxy_new_for_name (bus, "org.freedesktop.DBus",
"/org/freedesktop/DBus",
"org.freedesktop.DBus");
if (!dbus_g_proxy_call (bus_proxy, "RequestName", &error,
G_TYPE_STRING, "org.designfu.TestService",
G_TYPE_UINT, DBUS_NAME_FLAG_PROHIBIT_REPLACEMENT,
G_TYPE_INVALID,
G_TYPE_UINT, &request_name_result,
G_TYPE_INVALID))
lose_gerror ("Failed to acquire org.designfu.TestService", error);
obj = g_object_new (TEST_TYPE_OBJECT, NULL);
dbus_g_object_type_install_info (TEST_TYPE_OBJECT, &dbus_glib_test_object_object_info);
dbus_g_connection_register_g_object (bus, "/org/designfu/TestService/object", G_OBJECT (obj));
printf ("test service running\n");
g_main_loop_run (mainloop);
exit (0);
}

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<?xml version="1.0" encoding="UTF-8" ?>
<node name="/">
<interface name="org.designfu.TestService">
<method name="emitHelloSignal">
</method>
<!-- Mark the signal as exported -->
<signal name="HelloSignal"/>
</interface>
</node>

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#include <dbus/dbus-glib.h>
#include <stdio.h>
#include <stdlib.h>
static void lose (const char *fmt, ...) G_GNUC_NORETURN G_GNUC_PRINTF (1, 2);
static void lose_gerror (const char *prefix, GError *error) G_GNUC_NORETURN;
static void
lose (const char *str, ...)
{
va_list args;
va_start (args, str);
vfprintf (stderr, str, args);
fputc ('\n', stderr);
va_end (args);
exit (1);
}
static void
lose_gerror (const char *prefix, GError *error)
{
lose ("%s: %s", prefix, error->message);
}
static gboolean
emit_signal (gpointer arg)
{
DBusGProxy *proxy = arg;
dbus_g_proxy_call_no_reply (proxy, "emitHelloSignal", G_TYPE_INVALID);
return TRUE;
}
static void
hello_signal_handler (DBusGProxy *proxy, const char *hello_string, gpointer user_data)
{
printf ("Received signal and it says: %s\n", hello_string);
}
int
main (int argc, char **argv)
{
DBusGConnection *bus;
DBusGProxy *remote_object;
GError *error = NULL;
GMainLoop *mainloop;
g_type_init ();
mainloop = g_main_loop_new (NULL, FALSE);
bus = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
if (!bus)
lose_gerror ("Couldn't connect to session bus", error);
/* We use _for_name_owner in order to track this particular service
* instance, which lets us receive signals.
*/
remote_object = dbus_g_proxy_new_for_name_owner (bus,
"org.designfu.TestService",
"/org/designfu/TestService/object",
"org.designfu.TestService",
&error);
if (!remote_object)
lose_gerror ("Failed to get name owner", error);
/* IMPORTANT:
*
* Note because this signal's signature is VOID__STRING, we do not
* need to register a marshaller, since there is a builtin one.
* However for other signatures, you must generate a marshaller,
* then call dbus_g_object_register_marshaller. It would look like
* this:
*
* dbus_g_object_register_marshaller (g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, G_TYPE_STRING, G_TYPE_INVALID);
*
*/
/* Tell DBus what the type signature of the signal callback is; this
* allows us to sanity-check incoming messages before invoking the
* callback. You need to do this once for each proxy you create,
* not every time you want to connect to the signal.
*/
dbus_g_proxy_add_signal (remote_object, "HelloSignal", G_TYPE_STRING, G_TYPE_INVALID);
/* Actually connect to the signal. Note you can call
* dbus_g_proxy_connect_signal multiple times for one invocation of
* dbus_g_proxy_add_signal.
*/
dbus_g_proxy_connect_signal (remote_object, "HelloSignal", G_CALLBACK (hello_signal_handler),
NULL, NULL);
g_timeout_add (2000, emit_signal, remote_object);
g_main_loop_run (mainloop);
exit (0);
}