1 | #include <gio/gio.h> |
2 | #include <stdlib.h> |
3 | #include <string.h> |
4 | |
5 | /* ---------------------------------------------------------------------------------------------------- */ |
6 | |
7 | static GDBusNodeInfo *introspection_data = NULL; |
8 | static GDBusInterfaceInfo *manager_interface_info = NULL; |
9 | static GDBusInterfaceInfo *block_interface_info = NULL; |
10 | static GDBusInterfaceInfo *partition_interface_info = NULL; |
11 | |
12 | /* Introspection data for the service we are exporting */ |
13 | static const gchar introspection_xml[] = |
14 | "<node>" |
15 | " <interface name='org.gtk.GDBus.Example.Manager'>" |
16 | " <method name='Hello'>" |
17 | " <arg type='s' name='greeting' direction='in'/>" |
18 | " <arg type='s' name='response' direction='out'/>" |
19 | " </method>" |
20 | " </interface>" |
21 | " <interface name='org.gtk.GDBus.Example.Block'>" |
22 | " <method name='Hello'>" |
23 | " <arg type='s' name='greeting' direction='in'/>" |
24 | " <arg type='s' name='response' direction='out'/>" |
25 | " </method>" |
26 | " <property type='i' name='Major' access='read'/>" |
27 | " <property type='i' name='Minor' access='read'/>" |
28 | " <property type='s' name='Notes' access='readwrite'/>" |
29 | " </interface>" |
30 | " <interface name='org.gtk.GDBus.Example.Partition'>" |
31 | " <method name='Hello'>" |
32 | " <arg type='s' name='greeting' direction='in'/>" |
33 | " <arg type='s' name='response' direction='out'/>" |
34 | " </method>" |
35 | " <property type='i' name='PartitionNumber' access='read'/>" |
36 | " <property type='s' name='Notes' access='readwrite'/>" |
37 | " </interface>" |
38 | "</node>" ; |
39 | |
40 | /* ---------------------------------------------------------------------------------------------------- */ |
41 | |
42 | static void |
43 | manager_method_call (GDBusConnection *connection, |
44 | const gchar *sender, |
45 | const gchar *object_path, |
46 | const gchar *interface_name, |
47 | const gchar *method_name, |
48 | GVariant *parameters, |
49 | GDBusMethodInvocation *invocation, |
50 | gpointer user_data) |
51 | { |
52 | const gchar *greeting; |
53 | gchar *response; |
54 | |
55 | g_assert_cmpstr (interface_name, ==, "org.gtk.GDBus.Example.Manager" ); |
56 | g_assert_cmpstr (method_name, ==, "Hello" ); |
57 | |
58 | g_variant_get (value: parameters, format_string: "(&s)" , &greeting); |
59 | |
60 | response = g_strdup_printf (format: "Method %s.%s with user_data '%s' on object path %s called with arg '%s'" , |
61 | interface_name, |
62 | method_name, |
63 | (const gchar *) user_data, |
64 | object_path, |
65 | greeting); |
66 | g_dbus_method_invocation_return_value (invocation, |
67 | parameters: g_variant_new (format_string: "(s)" , response)); |
68 | g_free (mem: response); |
69 | } |
70 | |
71 | const GDBusInterfaceVTable manager_vtable = |
72 | { |
73 | manager_method_call, |
74 | NULL, /* get_property */ |
75 | NULL /* set_property */ |
76 | }; |
77 | |
78 | /* ---------------------------------------------------------------------------------------------------- */ |
79 | |
80 | static void |
81 | block_method_call (GDBusConnection *connection, |
82 | const gchar *sender, |
83 | const gchar *object_path, |
84 | const gchar *interface_name, |
85 | const gchar *method_name, |
86 | GVariant *parameters, |
87 | GDBusMethodInvocation *invocation, |
88 | gpointer user_data) |
89 | { |
90 | g_assert_cmpstr (interface_name, ==, "org.gtk.GDBus.Example.Block" ); |
91 | |
92 | if (g_strcmp0 (str1: method_name, str2: "Hello" ) == 0) |
93 | { |
94 | const gchar *greeting; |
95 | gchar *response; |
96 | |
97 | g_variant_get (value: parameters, format_string: "(&s)" , &greeting); |
98 | |
99 | response = g_strdup_printf (format: "Method %s.%s with user_data '%s' on object path %s called with arg '%s'" , |
100 | interface_name, |
101 | method_name, |
102 | (const gchar *) user_data, |
103 | object_path, |
104 | greeting); |
105 | g_dbus_method_invocation_return_value (invocation, |
106 | parameters: g_variant_new (format_string: "(s)" , response)); |
107 | g_free (mem: response); |
108 | } |
109 | else if (g_strcmp0 (str1: method_name, str2: "DoStuff" ) == 0) |
110 | { |
111 | g_dbus_method_invocation_return_dbus_error (invocation, |
112 | error_name: "org.gtk.GDBus.TestSubtree.Error.Failed" , |
113 | error_message: "This method intentionally always fails" ); |
114 | } |
115 | else |
116 | { |
117 | g_assert_not_reached (); |
118 | } |
119 | } |
120 | |
121 | static GVariant * |
122 | block_get_property (GDBusConnection *connection, |
123 | const gchar *sender, |
124 | const gchar *object_path, |
125 | const gchar *interface_name, |
126 | const gchar *property_name, |
127 | GError **error, |
128 | gpointer user_data) |
129 | { |
130 | GVariant *ret; |
131 | const gchar *node; |
132 | gint major; |
133 | gint minor; |
134 | |
135 | node = strrchr (s: object_path, c: '/') + 1; |
136 | if (g_str_has_prefix (str: node, prefix: "sda" )) |
137 | major = 8; |
138 | else |
139 | major = 9; |
140 | if (strlen (s: node) == 4) |
141 | minor = node[3] - '0'; |
142 | else |
143 | minor = 0; |
144 | |
145 | ret = NULL; |
146 | if (g_strcmp0 (str1: property_name, str2: "Major" ) == 0) |
147 | { |
148 | ret = g_variant_new_int32 (value: major); |
149 | } |
150 | else if (g_strcmp0 (str1: property_name, str2: "Minor" ) == 0) |
151 | { |
152 | ret = g_variant_new_int32 (value: minor); |
153 | } |
154 | else if (g_strcmp0 (str1: property_name, str2: "Notes" ) == 0) |
155 | { |
156 | g_set_error (err: error, |
157 | G_IO_ERROR, |
158 | code: G_IO_ERROR_FAILED, |
159 | format: "Hello %s. I thought I said reading this property " |
160 | "always results in an error. kthxbye" , |
161 | sender); |
162 | } |
163 | else |
164 | { |
165 | g_assert_not_reached (); |
166 | } |
167 | |
168 | return ret; |
169 | } |
170 | |
171 | static gboolean |
172 | block_set_property (GDBusConnection *connection, |
173 | const gchar *sender, |
174 | const gchar *object_path, |
175 | const gchar *interface_name, |
176 | const gchar *property_name, |
177 | GVariant *value, |
178 | GError **error, |
179 | gpointer user_data) |
180 | { |
181 | /* TODO */ |
182 | g_assert_not_reached (); |
183 | } |
184 | |
185 | const GDBusInterfaceVTable block_vtable = |
186 | { |
187 | block_method_call, |
188 | block_get_property, |
189 | block_set_property, |
190 | }; |
191 | |
192 | /* ---------------------------------------------------------------------------------------------------- */ |
193 | |
194 | static void |
195 | partition_method_call (GDBusConnection *connection, |
196 | const gchar *sender, |
197 | const gchar *object_path, |
198 | const gchar *interface_name, |
199 | const gchar *method_name, |
200 | GVariant *parameters, |
201 | GDBusMethodInvocation *invocation, |
202 | gpointer user_data) |
203 | { |
204 | const gchar *greeting; |
205 | gchar *response; |
206 | |
207 | g_assert_cmpstr (interface_name, ==, "org.gtk.GDBus.Example.Partition" ); |
208 | g_assert_cmpstr (method_name, ==, "Hello" ); |
209 | |
210 | g_variant_get (value: parameters, format_string: "(&s)" , &greeting); |
211 | |
212 | response = g_strdup_printf (format: "Method %s.%s with user_data '%s' on object path %s called with arg '%s'" , |
213 | interface_name, |
214 | method_name, |
215 | (const gchar *) user_data, |
216 | object_path, |
217 | greeting); |
218 | g_dbus_method_invocation_return_value (invocation, |
219 | parameters: g_variant_new (format_string: "(s)" , response)); |
220 | g_free (mem: response); |
221 | } |
222 | |
223 | const GDBusInterfaceVTable partition_vtable = |
224 | { |
225 | partition_method_call, |
226 | //partition_get_property, |
227 | //partition_set_property |
228 | }; |
229 | |
230 | /* ---------------------------------------------------------------------------------------------------- */ |
231 | |
232 | static gchar ** |
233 | subtree_enumerate (GDBusConnection *connection, |
234 | const gchar *sender, |
235 | const gchar *object_path, |
236 | gpointer user_data) |
237 | { |
238 | gchar **nodes; |
239 | GPtrArray *p; |
240 | |
241 | p = g_ptr_array_new (); |
242 | g_ptr_array_add (array: p, data: g_strdup (str: "sda" )); |
243 | g_ptr_array_add (array: p, data: g_strdup (str: "sda1" )); |
244 | g_ptr_array_add (array: p, data: g_strdup (str: "sda2" )); |
245 | g_ptr_array_add (array: p, data: g_strdup (str: "sda3" )); |
246 | g_ptr_array_add (array: p, data: g_strdup (str: "sdb" )); |
247 | g_ptr_array_add (array: p, data: g_strdup (str: "sdb1" )); |
248 | g_ptr_array_add (array: p, data: g_strdup (str: "sdc" )); |
249 | g_ptr_array_add (array: p, data: g_strdup (str: "sdc1" )); |
250 | g_ptr_array_add (array: p, NULL); |
251 | nodes = (gchar **) g_ptr_array_free (array: p, FALSE); |
252 | |
253 | return nodes; |
254 | } |
255 | |
256 | static GDBusInterfaceInfo ** |
257 | subtree_introspect (GDBusConnection *connection, |
258 | const gchar *sender, |
259 | const gchar *object_path, |
260 | const gchar *node, |
261 | gpointer user_data) |
262 | { |
263 | GPtrArray *p; |
264 | |
265 | p = g_ptr_array_new (); |
266 | if (node == NULL) |
267 | { |
268 | g_ptr_array_add (array: p, data: g_dbus_interface_info_ref (info: manager_interface_info)); |
269 | } |
270 | else |
271 | { |
272 | g_ptr_array_add (array: p, data: g_dbus_interface_info_ref (info: block_interface_info)); |
273 | if (strlen (s: node) == 4) |
274 | g_ptr_array_add (array: p, |
275 | data: g_dbus_interface_info_ref (info: partition_interface_info)); |
276 | } |
277 | |
278 | g_ptr_array_add (array: p, NULL); |
279 | |
280 | return (GDBusInterfaceInfo **) g_ptr_array_free (array: p, FALSE); |
281 | } |
282 | |
283 | static const GDBusInterfaceVTable * |
284 | subtree_dispatch (GDBusConnection *connection, |
285 | const gchar *sender, |
286 | const gchar *object_path, |
287 | const gchar *interface_name, |
288 | const gchar *node, |
289 | gpointer *out_user_data, |
290 | gpointer user_data) |
291 | { |
292 | const GDBusInterfaceVTable *vtable_to_return; |
293 | gpointer user_data_to_return; |
294 | |
295 | if (g_strcmp0 (str1: interface_name, str2: "org.gtk.GDBus.Example.Manager" ) == 0) |
296 | { |
297 | user_data_to_return = "The Root" ; |
298 | vtable_to_return = &manager_vtable; |
299 | } |
300 | else |
301 | { |
302 | if (strlen (s: node) == 4) |
303 | user_data_to_return = "A partition" ; |
304 | else |
305 | user_data_to_return = "A block device" ; |
306 | |
307 | if (g_strcmp0 (str1: interface_name, str2: "org.gtk.GDBus.Example.Block" ) == 0) |
308 | vtable_to_return = &block_vtable; |
309 | else if (g_strcmp0 (str1: interface_name, str2: "org.gtk.GDBus.Example.Partition" ) == 0) |
310 | vtable_to_return = &partition_vtable; |
311 | else |
312 | g_assert_not_reached (); |
313 | } |
314 | |
315 | *out_user_data = user_data_to_return; |
316 | |
317 | return vtable_to_return; |
318 | } |
319 | |
320 | const GDBusSubtreeVTable subtree_vtable = |
321 | { |
322 | subtree_enumerate, |
323 | subtree_introspect, |
324 | subtree_dispatch |
325 | }; |
326 | |
327 | /* ---------------------------------------------------------------------------------------------------- */ |
328 | |
329 | static void |
330 | on_bus_acquired (GDBusConnection *connection, |
331 | const gchar *name, |
332 | gpointer user_data) |
333 | { |
334 | guint registration_id; |
335 | |
336 | registration_id = g_dbus_connection_register_subtree (connection, |
337 | object_path: "/org/gtk/GDBus/TestSubtree/Devices" , |
338 | vtable: &subtree_vtable, |
339 | flags: G_DBUS_SUBTREE_FLAGS_NONE, |
340 | NULL, /* user_data */ |
341 | NULL, /* user_data_free_func */ |
342 | NULL); /* GError** */ |
343 | g_assert (registration_id > 0); |
344 | } |
345 | |
346 | static void |
347 | on_name_acquired (GDBusConnection *connection, |
348 | const gchar *name, |
349 | gpointer user_data) |
350 | { |
351 | } |
352 | |
353 | static void |
354 | on_name_lost (GDBusConnection *connection, |
355 | const gchar *name, |
356 | gpointer user_data) |
357 | { |
358 | exit (status: 1); |
359 | } |
360 | |
361 | int |
362 | main (int argc, char *argv[]) |
363 | { |
364 | guint owner_id; |
365 | GMainLoop *loop; |
366 | |
367 | /* We are lazy here - we don't want to manually provide |
368 | * the introspection data structures - so we just build |
369 | * them from XML. |
370 | */ |
371 | introspection_data = g_dbus_node_info_new_for_xml (xml_data: introspection_xml, NULL); |
372 | g_assert (introspection_data != NULL); |
373 | |
374 | manager_interface_info = g_dbus_node_info_lookup_interface (info: introspection_data, name: "org.gtk.GDBus.Example.Manager" ); |
375 | block_interface_info = g_dbus_node_info_lookup_interface (info: introspection_data, name: "org.gtk.GDBus.Example.Block" ); |
376 | partition_interface_info = g_dbus_node_info_lookup_interface (info: introspection_data, name: "org.gtk.GDBus.Example.Partition" ); |
377 | g_assert (manager_interface_info != NULL); |
378 | g_assert (block_interface_info != NULL); |
379 | g_assert (partition_interface_info != NULL); |
380 | |
381 | owner_id = g_bus_own_name (bus_type: G_BUS_TYPE_SESSION, |
382 | name: "org.gtk.GDBus.TestSubtree" , |
383 | flags: G_BUS_NAME_OWNER_FLAGS_NONE, |
384 | bus_acquired_handler: on_bus_acquired, |
385 | name_acquired_handler: on_name_acquired, |
386 | name_lost_handler: on_name_lost, |
387 | NULL, |
388 | NULL); |
389 | |
390 | loop = g_main_loop_new (NULL, FALSE); |
391 | g_main_loop_run (loop); |
392 | |
393 | g_bus_unown_name (owner_id); |
394 | |
395 | g_dbus_node_info_unref (info: introspection_data); |
396 | |
397 | return 0; |
398 | } |
399 | |