Commit | Line | Data |
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033b73e2 | 1 | /* Elisp bindings for D-Bus. |
73b0cd50 | 2 | Copyright (C) 2007-2011 Free Software Foundation, Inc. |
033b73e2 MA |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
9ec0b715 | 6 | GNU Emacs is free software: you can redistribute it and/or modify |
033b73e2 | 7 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
8 | the Free Software Foundation, either version 3 of the License, or |
9 | (at your option) any later version. | |
033b73e2 MA |
10 | |
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
033b73e2 | 18 | |
08a494a3 | 19 | #include <config.h> |
033b73e2 MA |
20 | |
21 | #ifdef HAVE_DBUS | |
f5306ca3 | 22 | #include <stdio.h> |
033b73e2 | 23 | #include <dbus/dbus.h> |
d7306fe6 | 24 | #include <setjmp.h> |
033b73e2 MA |
25 | #include "lisp.h" |
26 | #include "frame.h" | |
27 | #include "termhooks.h" | |
28 | #include "keyboard.h" | |
3fad2ad2 | 29 | #include "process.h" |
033b73e2 MA |
30 | |
31 | \f | |
32 | /* Subroutines. */ | |
955cbe7b PE |
33 | static Lisp_Object Qdbus_init_bus; |
34 | static Lisp_Object Qdbus_close_bus; | |
35 | static Lisp_Object Qdbus_get_unique_name; | |
36 | static Lisp_Object Qdbus_call_method; | |
37 | static Lisp_Object Qdbus_call_method_asynchronously; | |
38 | static Lisp_Object Qdbus_method_return_internal; | |
39 | static Lisp_Object Qdbus_method_error_internal; | |
40 | static Lisp_Object Qdbus_send_signal; | |
41 | static Lisp_Object Qdbus_register_service; | |
42 | static Lisp_Object Qdbus_register_signal; | |
43 | static Lisp_Object Qdbus_register_method; | |
033b73e2 MA |
44 | |
45 | /* D-Bus error symbol. */ | |
955cbe7b | 46 | static Lisp_Object Qdbus_error; |
033b73e2 MA |
47 | |
48 | /* Lisp symbols of the system and session buses. */ | |
955cbe7b | 49 | static Lisp_Object QCdbus_system_bus, QCdbus_session_bus; |
033b73e2 | 50 | |
90b3fc84 | 51 | /* Lisp symbol for method call timeout. */ |
955cbe7b | 52 | static Lisp_Object QCdbus_timeout; |
90b3fc84 | 53 | |
5b83ba18 | 54 | /* Lisp symbols for name request flags. */ |
955cbe7b PE |
55 | static Lisp_Object QCdbus_request_name_allow_replacement; |
56 | static Lisp_Object QCdbus_request_name_replace_existing; | |
57 | static Lisp_Object QCdbus_request_name_do_not_queue; | |
5b83ba18 MA |
58 | |
59 | /* Lisp symbols for name request replies. */ | |
955cbe7b PE |
60 | static Lisp_Object QCdbus_request_name_reply_primary_owner; |
61 | static Lisp_Object QCdbus_request_name_reply_in_queue; | |
62 | static Lisp_Object QCdbus_request_name_reply_exists; | |
63 | static Lisp_Object QCdbus_request_name_reply_already_owner; | |
5b83ba18 | 64 | |
54371585 | 65 | /* Lisp symbols of D-Bus types. */ |
955cbe7b PE |
66 | static Lisp_Object QCdbus_type_byte, QCdbus_type_boolean; |
67 | static Lisp_Object QCdbus_type_int16, QCdbus_type_uint16; | |
68 | static Lisp_Object QCdbus_type_int32, QCdbus_type_uint32; | |
69 | static Lisp_Object QCdbus_type_int64, QCdbus_type_uint64; | |
70 | static Lisp_Object QCdbus_type_double, QCdbus_type_string; | |
71 | static Lisp_Object QCdbus_type_object_path, QCdbus_type_signature; | |
da1fec2b | 72 | #ifdef DBUS_TYPE_UNIX_FD |
b4289b64 | 73 | static Lisp_Object QCdbus_type_unix_fd; |
da1fec2b | 74 | #endif |
955cbe7b PE |
75 | static Lisp_Object QCdbus_type_array, QCdbus_type_variant; |
76 | static Lisp_Object QCdbus_type_struct, QCdbus_type_dict_entry; | |
54371585 | 77 | |
1dae9197 | 78 | /* Whether we are reading a D-Bus event. */ |
16390cd2 | 79 | static int xd_in_read_queued_messages = 0; |
1dae9197 | 80 | |
033b73e2 MA |
81 | \f |
82 | /* We use "xd_" and "XD_" as prefix for all internal symbols, because | |
83 | we don't want to poison other namespaces with "dbus_". */ | |
84 | ||
1dae9197 MA |
85 | /* Raise a signal. If we are reading events, we cannot signal; we |
86 | throw to xd_read_queued_messages then. */ | |
87 | #define XD_SIGNAL1(arg) \ | |
88 | do { \ | |
89 | if (xd_in_read_queued_messages) \ | |
90 | Fthrow (Qdbus_error, Qnil); \ | |
91 | else \ | |
92 | xsignal1 (Qdbus_error, arg); \ | |
93 | } while (0) | |
94 | ||
95 | #define XD_SIGNAL2(arg1, arg2) \ | |
96 | do { \ | |
97 | if (xd_in_read_queued_messages) \ | |
98 | Fthrow (Qdbus_error, Qnil); \ | |
99 | else \ | |
100 | xsignal2 (Qdbus_error, arg1, arg2); \ | |
101 | } while (0) | |
102 | ||
103 | #define XD_SIGNAL3(arg1, arg2, arg3) \ | |
104 | do { \ | |
105 | if (xd_in_read_queued_messages) \ | |
106 | Fthrow (Qdbus_error, Qnil); \ | |
107 | else \ | |
108 | xsignal3 (Qdbus_error, arg1, arg2, arg3); \ | |
109 | } while (0) | |
110 | ||
54371585 | 111 | /* Raise a Lisp error from a D-Bus ERROR. */ |
033b73e2 | 112 | #define XD_ERROR(error) \ |
17bc8f94 | 113 | do { \ |
033b73e2 | 114 | /* Remove the trailing newline. */ \ |
573f4b54 PE |
115 | char const *mess = error.message; \ |
116 | char const *nl = strchr (mess, '\n'); \ | |
117 | Lisp_Object err = make_string (mess, nl ? nl - mess : strlen (mess)); \ | |
118 | dbus_error_free (&error); \ | |
119 | XD_SIGNAL1 (err); \ | |
17bc8f94 | 120 | } while (0) |
033b73e2 MA |
121 | |
122 | /* Macros for debugging. In order to enable them, build with | |
0c372655 | 123 | "MYCPPFLAGS='-DDBUS_DEBUG -Wall' make". */ |
033b73e2 MA |
124 | #ifdef DBUS_DEBUG |
125 | #define XD_DEBUG_MESSAGE(...) \ | |
17bc8f94 | 126 | do { \ |
033b73e2 | 127 | char s[1024]; \ |
573f4b54 | 128 | snprintf (s, sizeof s, __VA_ARGS__); \ |
033b73e2 MA |
129 | printf ("%s: %s\n", __func__, s); \ |
130 | message ("%s: %s", __func__, s); \ | |
17bc8f94 | 131 | } while (0) |
033b73e2 | 132 | #define XD_DEBUG_VALID_LISP_OBJECT_P(object) \ |
17bc8f94 MA |
133 | do { \ |
134 | if (!valid_lisp_object_p (object)) \ | |
135 | { \ | |
136 | XD_DEBUG_MESSAGE ("%d Assertion failure", __LINE__); \ | |
1dae9197 | 137 | XD_SIGNAL1 (build_string ("Assertion failure")); \ |
17bc8f94 MA |
138 | } \ |
139 | } while (0) | |
033b73e2 MA |
140 | |
141 | #else /* !DBUS_DEBUG */ | |
17bc8f94 MA |
142 | #define XD_DEBUG_MESSAGE(...) \ |
143 | do { \ | |
144 | if (!NILP (Vdbus_debug)) \ | |
145 | { \ | |
146 | char s[1024]; \ | |
4baa2377 | 147 | snprintf (s, 1023, __VA_ARGS__); \ |
17bc8f94 | 148 | message ("%s: %s", __func__, s); \ |
80f9d13b | 149 | } \ |
17bc8f94 | 150 | } while (0) |
033b73e2 MA |
151 | #define XD_DEBUG_VALID_LISP_OBJECT_P(object) |
152 | #endif | |
153 | ||
87cf1a39 | 154 | /* Check whether TYPE is a basic DBusType. */ |
da1fec2b MA |
155 | #ifdef DBUS_TYPE_UNIX_FD |
156 | #define XD_BASIC_DBUS_TYPE(type) \ | |
157 | ((type == DBUS_TYPE_BYTE) \ | |
158 | || (type == DBUS_TYPE_BOOLEAN) \ | |
159 | || (type == DBUS_TYPE_INT16) \ | |
160 | || (type == DBUS_TYPE_UINT16) \ | |
161 | || (type == DBUS_TYPE_INT32) \ | |
162 | || (type == DBUS_TYPE_UINT32) \ | |
163 | || (type == DBUS_TYPE_INT64) \ | |
164 | || (type == DBUS_TYPE_UINT64) \ | |
165 | || (type == DBUS_TYPE_DOUBLE) \ | |
166 | || (type == DBUS_TYPE_STRING) \ | |
167 | || (type == DBUS_TYPE_OBJECT_PATH) \ | |
01768686 | 168 | || (type == DBUS_TYPE_SIGNATURE) \ |
da1fec2b MA |
169 | || (type == DBUS_TYPE_UNIX_FD)) |
170 | #else | |
87cf1a39 MA |
171 | #define XD_BASIC_DBUS_TYPE(type) \ |
172 | ((type == DBUS_TYPE_BYTE) \ | |
173 | || (type == DBUS_TYPE_BOOLEAN) \ | |
174 | || (type == DBUS_TYPE_INT16) \ | |
175 | || (type == DBUS_TYPE_UINT16) \ | |
176 | || (type == DBUS_TYPE_INT32) \ | |
177 | || (type == DBUS_TYPE_UINT32) \ | |
178 | || (type == DBUS_TYPE_INT64) \ | |
179 | || (type == DBUS_TYPE_UINT64) \ | |
180 | || (type == DBUS_TYPE_DOUBLE) \ | |
181 | || (type == DBUS_TYPE_STRING) \ | |
182 | || (type == DBUS_TYPE_OBJECT_PATH) \ | |
183 | || (type == DBUS_TYPE_SIGNATURE)) | |
da1fec2b | 184 | #endif |
87cf1a39 | 185 | |
78c38319 MA |
186 | /* This was a macro. On Solaris 2.11 it was said to compile for |
187 | hours, when optimzation is enabled. So we have transferred it into | |
188 | a function. */ | |
54371585 MA |
189 | /* Determine the DBusType of a given Lisp symbol. OBJECT must be one |
190 | of the predefined D-Bus type symbols. */ | |
78c38319 | 191 | static int |
971de7fb | 192 | xd_symbol_to_dbus_type (Lisp_Object object) |
78c38319 MA |
193 | { |
194 | return | |
195 | ((EQ (object, QCdbus_type_byte)) ? DBUS_TYPE_BYTE | |
196 | : (EQ (object, QCdbus_type_boolean)) ? DBUS_TYPE_BOOLEAN | |
197 | : (EQ (object, QCdbus_type_int16)) ? DBUS_TYPE_INT16 | |
198 | : (EQ (object, QCdbus_type_uint16)) ? DBUS_TYPE_UINT16 | |
199 | : (EQ (object, QCdbus_type_int32)) ? DBUS_TYPE_INT32 | |
200 | : (EQ (object, QCdbus_type_uint32)) ? DBUS_TYPE_UINT32 | |
201 | : (EQ (object, QCdbus_type_int64)) ? DBUS_TYPE_INT64 | |
202 | : (EQ (object, QCdbus_type_uint64)) ? DBUS_TYPE_UINT64 | |
203 | : (EQ (object, QCdbus_type_double)) ? DBUS_TYPE_DOUBLE | |
204 | : (EQ (object, QCdbus_type_string)) ? DBUS_TYPE_STRING | |
205 | : (EQ (object, QCdbus_type_object_path)) ? DBUS_TYPE_OBJECT_PATH | |
206 | : (EQ (object, QCdbus_type_signature)) ? DBUS_TYPE_SIGNATURE | |
da1fec2b MA |
207 | #ifdef DBUS_TYPE_UNIX_FD |
208 | : (EQ (object, QCdbus_type_unix_fd)) ? DBUS_TYPE_UNIX_FD | |
209 | #endif | |
78c38319 MA |
210 | : (EQ (object, QCdbus_type_array)) ? DBUS_TYPE_ARRAY |
211 | : (EQ (object, QCdbus_type_variant)) ? DBUS_TYPE_VARIANT | |
212 | : (EQ (object, QCdbus_type_struct)) ? DBUS_TYPE_STRUCT | |
213 | : (EQ (object, QCdbus_type_dict_entry)) ? DBUS_TYPE_DICT_ENTRY | |
214 | : DBUS_TYPE_INVALID); | |
215 | } | |
87cf1a39 MA |
216 | |
217 | /* Check whether a Lisp symbol is a predefined D-Bus type symbol. */ | |
218 | #define XD_DBUS_TYPE_P(object) \ | |
78c38319 | 219 | (SYMBOLP (object) && ((xd_symbol_to_dbus_type (object) != DBUS_TYPE_INVALID))) |
54371585 MA |
220 | |
221 | /* Determine the DBusType of a given Lisp OBJECT. It is used to | |
033b73e2 MA |
222 | convert Lisp objects, being arguments of `dbus-call-method' or |
223 | `dbus-send-signal', into corresponding C values appended as | |
224 | arguments to a D-Bus message. */ | |
87cf1a39 MA |
225 | #define XD_OBJECT_TO_DBUS_TYPE(object) \ |
226 | ((EQ (object, Qt) || EQ (object, Qnil)) ? DBUS_TYPE_BOOLEAN \ | |
227 | : (NATNUMP (object)) ? DBUS_TYPE_UINT32 \ | |
228 | : (INTEGERP (object)) ? DBUS_TYPE_INT32 \ | |
229 | : (FLOATP (object)) ? DBUS_TYPE_DOUBLE \ | |
230 | : (STRINGP (object)) ? DBUS_TYPE_STRING \ | |
78c38319 | 231 | : (XD_DBUS_TYPE_P (object)) ? xd_symbol_to_dbus_type (object) \ |
07a4cb03 MA |
232 | : (CONSP (object)) \ |
233 | ? ((XD_DBUS_TYPE_P (CAR_SAFE (object))) \ | |
78c38319 | 234 | ? ((XD_BASIC_DBUS_TYPE (xd_symbol_to_dbus_type (CAR_SAFE (object)))) \ |
07a4cb03 | 235 | ? DBUS_TYPE_ARRAY \ |
78c38319 | 236 | : xd_symbol_to_dbus_type (CAR_SAFE (object))) \ |
07a4cb03 | 237 | : DBUS_TYPE_ARRAY) \ |
87cf1a39 MA |
238 | : DBUS_TYPE_INVALID) |
239 | ||
240 | /* Return a list pointer which does not have a Lisp symbol as car. */ | |
a8e72f4f | 241 | #define XD_NEXT_VALUE(object) \ |
5125905e | 242 | ((XD_DBUS_TYPE_P (CAR_SAFE (object))) ? CDR_SAFE (object) : object) |
87cf1a39 | 243 | |
08686060 PE |
244 | /* Check whether X is a valid dbus serial number. If valid, set |
245 | SERIAL to its value. Otherwise, signal an error. */ | |
246 | #define CHECK_DBUS_SERIAL_GET_SERIAL(x, serial) \ | |
247 | do \ | |
248 | { \ | |
249 | dbus_uint32_t DBUS_SERIAL_MAX = -1; \ | |
250 | if (NATNUMP (x) && XINT (x) <= DBUS_SERIAL_MAX) \ | |
251 | serial = XINT (x); \ | |
252 | else if (MOST_POSITIVE_FIXNUM < DBUS_SERIAL_MAX \ | |
253 | && FLOATP (x) \ | |
254 | && 0 <= XFLOAT_DATA (x) \ | |
255 | && XFLOAT_DATA (x) <= DBUS_SERIAL_MAX) \ | |
256 | serial = XFLOAT_DATA (x); \ | |
257 | else \ | |
b57f7e0a | 258 | XD_SIGNAL2 (build_string ("Invalid dbus serial"), x); \ |
08686060 PE |
259 | } \ |
260 | while (0) | |
261 | ||
2be7d702 PE |
262 | /* Append to SIGNATURE the a copy of X, making sure SIGNATURE does |
263 | not become too long. */ | |
264 | static void | |
265 | signature_cat (char *signature, char const *x) | |
266 | { | |
267 | ptrdiff_t siglen = strlen (signature); | |
268 | ptrdiff_t xlen = strlen (x); | |
269 | if (DBUS_MAXIMUM_SIGNATURE_LENGTH - xlen <= siglen) | |
270 | string_overflow (); | |
271 | strcat (signature, x); | |
272 | } | |
273 | ||
87cf1a39 MA |
274 | /* Compute SIGNATURE of OBJECT. It must have a form that it can be |
275 | used in dbus_message_iter_open_container. DTYPE is the DBusType | |
276 | the object is related to. It is passed as argument, because it | |
277 | cannot be detected in basic type objects, when they are preceded by | |
278 | a type symbol. PARENT_TYPE is the DBusType of a container this | |
279 | signature is embedded, or DBUS_TYPE_INVALID. It is needed for the | |
280 | check that DBUS_TYPE_DICT_ENTRY occurs only as array element. */ | |
78c38319 | 281 | static void |
971de7fb | 282 | xd_signature (char *signature, unsigned int dtype, unsigned int parent_type, Lisp_Object object) |
033b73e2 | 283 | { |
87cf1a39 MA |
284 | unsigned int subtype; |
285 | Lisp_Object elt; | |
2ea16b89 | 286 | char const *subsig; |
87cf1a39 MA |
287 | char x[DBUS_MAXIMUM_SIGNATURE_LENGTH]; |
288 | ||
289 | elt = object; | |
033b73e2 | 290 | |
033b73e2 MA |
291 | switch (dtype) |
292 | { | |
54371585 MA |
293 | case DBUS_TYPE_BYTE: |
294 | case DBUS_TYPE_UINT16: | |
033b73e2 | 295 | case DBUS_TYPE_UINT32: |
54371585 | 296 | case DBUS_TYPE_UINT64: |
da1fec2b MA |
297 | #ifdef DBUS_TYPE_UNIX_FD |
298 | case DBUS_TYPE_UNIX_FD: | |
299 | #endif | |
54371585 | 300 | CHECK_NATNUM (object); |
87cf1a39 | 301 | sprintf (signature, "%c", dtype); |
54371585 | 302 | break; |
87cf1a39 | 303 | |
54371585 MA |
304 | case DBUS_TYPE_BOOLEAN: |
305 | if (!EQ (object, Qt) && !EQ (object, Qnil)) | |
306 | wrong_type_argument (intern ("booleanp"), object); | |
87cf1a39 | 307 | sprintf (signature, "%c", dtype); |
54371585 | 308 | break; |
87cf1a39 | 309 | |
54371585 | 310 | case DBUS_TYPE_INT16: |
033b73e2 | 311 | case DBUS_TYPE_INT32: |
54371585 MA |
312 | case DBUS_TYPE_INT64: |
313 | CHECK_NUMBER (object); | |
87cf1a39 | 314 | sprintf (signature, "%c", dtype); |
54371585 | 315 | break; |
87cf1a39 | 316 | |
033b73e2 | 317 | case DBUS_TYPE_DOUBLE: |
54371585 | 318 | CHECK_FLOAT (object); |
87cf1a39 | 319 | sprintf (signature, "%c", dtype); |
54371585 | 320 | break; |
87cf1a39 | 321 | |
033b73e2 | 322 | case DBUS_TYPE_STRING: |
54371585 MA |
323 | case DBUS_TYPE_OBJECT_PATH: |
324 | case DBUS_TYPE_SIGNATURE: | |
325 | CHECK_STRING (object); | |
87cf1a39 | 326 | sprintf (signature, "%c", dtype); |
54371585 | 327 | break; |
87cf1a39 | 328 | |
54371585 | 329 | case DBUS_TYPE_ARRAY: |
9af5078b | 330 | /* Check that all list elements have the same D-Bus type. For |
87cf1a39 MA |
331 | complex element types, we just check the container type, not |
332 | the whole element's signature. */ | |
54371585 | 333 | CHECK_CONS (object); |
87cf1a39 | 334 | |
5125905e MA |
335 | /* Type symbol is optional. */ |
336 | if (EQ (QCdbus_type_array, CAR_SAFE (elt))) | |
87cf1a39 | 337 | elt = XD_NEXT_VALUE (elt); |
5125905e MA |
338 | |
339 | /* If the array is empty, DBUS_TYPE_STRING is the default | |
340 | element type. */ | |
341 | if (NILP (elt)) | |
342 | { | |
343 | subtype = DBUS_TYPE_STRING; | |
2ea16b89 | 344 | subsig = DBUS_TYPE_STRING_AS_STRING; |
5125905e MA |
345 | } |
346 | else | |
347 | { | |
348 | subtype = XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (elt)); | |
349 | xd_signature (x, subtype, dtype, CAR_SAFE (XD_NEXT_VALUE (elt))); | |
2ea16b89 | 350 | subsig = x; |
5125905e MA |
351 | } |
352 | ||
353 | /* If the element type is DBUS_TYPE_SIGNATURE, and this is the | |
354 | only element, the value of this element is used as he array's | |
355 | element signature. */ | |
356 | if ((subtype == DBUS_TYPE_SIGNATURE) | |
357 | && STRINGP (CAR_SAFE (XD_NEXT_VALUE (elt))) | |
358 | && NILP (CDR_SAFE (XD_NEXT_VALUE (elt)))) | |
2ea16b89 | 359 | subsig = SSDATA (CAR_SAFE (XD_NEXT_VALUE (elt))); |
87cf1a39 MA |
360 | |
361 | while (!NILP (elt)) | |
362 | { | |
5125905e MA |
363 | if (subtype != XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (elt))) |
364 | wrong_type_argument (intern ("D-Bus"), CAR_SAFE (elt)); | |
365 | elt = CDR_SAFE (XD_NEXT_VALUE (elt)); | |
87cf1a39 MA |
366 | } |
367 | ||
2ea16b89 PE |
368 | if (esnprintf (signature, DBUS_MAXIMUM_SIGNATURE_LENGTH, |
369 | "%c%s", dtype, subsig) | |
370 | == DBUS_MAXIMUM_SIGNATURE_LENGTH - 1) | |
371 | string_overflow (); | |
54371585 | 372 | break; |
87cf1a39 | 373 | |
54371585 | 374 | case DBUS_TYPE_VARIANT: |
9af5078b | 375 | /* Check that there is exactly one list element. */ |
54371585 | 376 | CHECK_CONS (object); |
87cf1a39 MA |
377 | |
378 | elt = XD_NEXT_VALUE (elt); | |
5125905e MA |
379 | subtype = XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (elt)); |
380 | xd_signature (x, subtype, dtype, CAR_SAFE (XD_NEXT_VALUE (elt))); | |
87cf1a39 | 381 | |
5125905e | 382 | if (!NILP (CDR_SAFE (XD_NEXT_VALUE (elt)))) |
87cf1a39 | 383 | wrong_type_argument (intern ("D-Bus"), |
5125905e | 384 | CAR_SAFE (CDR_SAFE (XD_NEXT_VALUE (elt)))); |
87cf1a39 | 385 | |
a271e124 | 386 | sprintf (signature, "%c", dtype); |
54371585 | 387 | break; |
87cf1a39 | 388 | |
54371585 | 389 | case DBUS_TYPE_STRUCT: |
9af5078b MA |
390 | /* A struct list might contain any number of elements with |
391 | different types. No further check needed. */ | |
87cf1a39 MA |
392 | CHECK_CONS (object); |
393 | ||
394 | elt = XD_NEXT_VALUE (elt); | |
395 | ||
396 | /* Compose the signature from the elements. It is enclosed by | |
397 | parentheses. */ | |
398 | sprintf (signature, "%c", DBUS_STRUCT_BEGIN_CHAR ); | |
399 | while (!NILP (elt)) | |
400 | { | |
5125905e MA |
401 | subtype = XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (elt)); |
402 | xd_signature (x, subtype, dtype, CAR_SAFE (XD_NEXT_VALUE (elt))); | |
2be7d702 | 403 | signature_cat (signature, x); |
5125905e | 404 | elt = CDR_SAFE (XD_NEXT_VALUE (elt)); |
87cf1a39 | 405 | } |
2be7d702 | 406 | signature_cat (signature, DBUS_STRUCT_END_CHAR_AS_STRING); |
54371585 | 407 | break; |
54371585 | 408 | |
87cf1a39 | 409 | case DBUS_TYPE_DICT_ENTRY: |
9af5078b MA |
410 | /* Check that there are exactly two list elements, and the first |
411 | one is of basic type. The dictionary entry itself must be an | |
412 | element of an array. */ | |
87cf1a39 | 413 | CHECK_CONS (object); |
54371585 | 414 | |
9af5078b | 415 | /* Check the parent object type. */ |
87cf1a39 MA |
416 | if (parent_type != DBUS_TYPE_ARRAY) |
417 | wrong_type_argument (intern ("D-Bus"), object); | |
54371585 | 418 | |
87cf1a39 MA |
419 | /* Compose the signature from the elements. It is enclosed by |
420 | curly braces. */ | |
421 | sprintf (signature, "%c", DBUS_DICT_ENTRY_BEGIN_CHAR); | |
54371585 | 422 | |
87cf1a39 MA |
423 | /* First element. */ |
424 | elt = XD_NEXT_VALUE (elt); | |
5125905e MA |
425 | subtype = XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (elt)); |
426 | xd_signature (x, subtype, dtype, CAR_SAFE (XD_NEXT_VALUE (elt))); | |
2be7d702 | 427 | signature_cat (signature, x); |
54371585 | 428 | |
87cf1a39 | 429 | if (!XD_BASIC_DBUS_TYPE (subtype)) |
5125905e | 430 | wrong_type_argument (intern ("D-Bus"), CAR_SAFE (XD_NEXT_VALUE (elt))); |
54371585 | 431 | |
87cf1a39 | 432 | /* Second element. */ |
5125905e MA |
433 | elt = CDR_SAFE (XD_NEXT_VALUE (elt)); |
434 | subtype = XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (elt)); | |
435 | xd_signature (x, subtype, dtype, CAR_SAFE (XD_NEXT_VALUE (elt))); | |
2be7d702 | 436 | signature_cat (signature, x); |
54371585 | 437 | |
5125905e | 438 | if (!NILP (CDR_SAFE (XD_NEXT_VALUE (elt)))) |
87cf1a39 | 439 | wrong_type_argument (intern ("D-Bus"), |
5125905e | 440 | CAR_SAFE (CDR_SAFE (XD_NEXT_VALUE (elt)))); |
54371585 | 441 | |
87cf1a39 | 442 | /* Closing signature. */ |
2be7d702 | 443 | signature_cat (signature, DBUS_DICT_ENTRY_END_CHAR_AS_STRING); |
87cf1a39 | 444 | break; |
54371585 | 445 | |
87cf1a39 MA |
446 | default: |
447 | wrong_type_argument (intern ("D-Bus"), object); | |
54371585 MA |
448 | } |
449 | ||
87cf1a39 MA |
450 | XD_DEBUG_MESSAGE ("%s", signature); |
451 | } | |
54371585 | 452 | |
87cf1a39 MA |
453 | /* Append C value, extracted from Lisp OBJECT, to iteration ITER. |
454 | DTYPE must be a valid DBusType. It is used to convert Lisp | |
455 | objects, being arguments of `dbus-call-method' or | |
456 | `dbus-send-signal', into corresponding C values appended as | |
457 | arguments to a D-Bus message. */ | |
78c38319 | 458 | static void |
971de7fb | 459 | xd_append_arg (unsigned int dtype, Lisp_Object object, DBusMessageIter *iter) |
87cf1a39 | 460 | { |
87cf1a39 MA |
461 | char signature[DBUS_MAXIMUM_SIGNATURE_LENGTH]; |
462 | DBusMessageIter subiter; | |
87cf1a39 MA |
463 | |
464 | if (XD_BASIC_DBUS_TYPE (dtype)) | |
17bc8f94 MA |
465 | switch (dtype) |
466 | { | |
467 | case DBUS_TYPE_BYTE: | |
2d1fc3c7 | 468 | CHECK_NATNUM (object); |
54371585 | 469 | { |
2d1fc3c7 | 470 | unsigned char val = XFASTINT (object) & 0xFF; |
17bc8f94 MA |
471 | XD_DEBUG_MESSAGE ("%c %d", dtype, val); |
472 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) | |
1dae9197 | 473 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
474 | return; |
475 | } | |
87cf1a39 | 476 | |
17bc8f94 MA |
477 | case DBUS_TYPE_BOOLEAN: |
478 | { | |
479 | dbus_bool_t val = (NILP (object)) ? FALSE : TRUE; | |
480 | XD_DEBUG_MESSAGE ("%c %s", dtype, (val == FALSE) ? "false" : "true"); | |
481 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) | |
1dae9197 | 482 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
483 | return; |
484 | } | |
87cf1a39 | 485 | |
17bc8f94 | 486 | case DBUS_TYPE_INT16: |
e454a4a3 | 487 | CHECK_NUMBER (object); |
17bc8f94 MA |
488 | { |
489 | dbus_int16_t val = XINT (object); | |
490 | XD_DEBUG_MESSAGE ("%c %d", dtype, (int) val); | |
491 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) | |
1dae9197 | 492 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
493 | return; |
494 | } | |
87cf1a39 | 495 | |
17bc8f94 | 496 | case DBUS_TYPE_UINT16: |
2d1fc3c7 | 497 | CHECK_NATNUM (object); |
17bc8f94 | 498 | { |
2d1fc3c7 | 499 | dbus_uint16_t val = XFASTINT (object); |
17bc8f94 MA |
500 | XD_DEBUG_MESSAGE ("%c %u", dtype, (unsigned int) val); |
501 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) | |
1dae9197 | 502 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
503 | return; |
504 | } | |
87cf1a39 | 505 | |
17bc8f94 | 506 | case DBUS_TYPE_INT32: |
e454a4a3 | 507 | CHECK_NUMBER (object); |
17bc8f94 MA |
508 | { |
509 | dbus_int32_t val = XINT (object); | |
510 | XD_DEBUG_MESSAGE ("%c %d", dtype, val); | |
511 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) | |
1dae9197 | 512 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
513 | return; |
514 | } | |
87cf1a39 | 515 | |
17bc8f94 | 516 | case DBUS_TYPE_UINT32: |
da1fec2b MA |
517 | #ifdef DBUS_TYPE_UNIX_FD |
518 | case DBUS_TYPE_UNIX_FD: | |
519 | #endif | |
2d1fc3c7 | 520 | CHECK_NATNUM (object); |
17bc8f94 | 521 | { |
2d1fc3c7 | 522 | dbus_uint32_t val = XFASTINT (object); |
17bc8f94 MA |
523 | XD_DEBUG_MESSAGE ("%c %u", dtype, val); |
524 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) | |
1dae9197 | 525 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
526 | return; |
527 | } | |
87cf1a39 | 528 | |
17bc8f94 | 529 | case DBUS_TYPE_INT64: |
e454a4a3 | 530 | CHECK_NUMBER (object); |
17bc8f94 MA |
531 | { |
532 | dbus_int64_t val = XINT (object); | |
533 | XD_DEBUG_MESSAGE ("%c %d", dtype, (int) val); | |
534 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) | |
1dae9197 | 535 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
536 | return; |
537 | } | |
87cf1a39 | 538 | |
17bc8f94 | 539 | case DBUS_TYPE_UINT64: |
2d1fc3c7 | 540 | CHECK_NATNUM (object); |
17bc8f94 | 541 | { |
2d1fc3c7 PE |
542 | dbus_uint64_t val = XFASTINT (object); |
543 | XD_DEBUG_MESSAGE ("%c %"pI"d", dtype, XFASTINT (object)); | |
17bc8f94 | 544 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) |
1dae9197 | 545 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 | 546 | return; |
54371585 | 547 | } |
87cf1a39 | 548 | |
17bc8f94 | 549 | case DBUS_TYPE_DOUBLE: |
e454a4a3 | 550 | CHECK_FLOAT (object); |
f601cdf3 KR |
551 | { |
552 | double val = XFLOAT_DATA (object); | |
553 | XD_DEBUG_MESSAGE ("%c %f", dtype, val); | |
554 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) | |
555 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); | |
556 | return; | |
557 | } | |
17bc8f94 MA |
558 | |
559 | case DBUS_TYPE_STRING: | |
560 | case DBUS_TYPE_OBJECT_PATH: | |
561 | case DBUS_TYPE_SIGNATURE: | |
e454a4a3 | 562 | CHECK_STRING (object); |
17bc8f94 | 563 | { |
e454a4a3 SM |
564 | /* We need to send a valid UTF-8 string. We could encode `object' |
565 | but by not encoding it, we guarantee it's valid utf-8, even if | |
566 | it contains eight-bit-bytes. Of course, you can still send | |
567 | manually-crafted junk by passing a unibyte string. */ | |
59d6fe83 | 568 | char *val = SSDATA (object); |
17bc8f94 MA |
569 | XD_DEBUG_MESSAGE ("%c %s", dtype, val); |
570 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) | |
1dae9197 | 571 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
572 | return; |
573 | } | |
574 | } | |
87cf1a39 MA |
575 | |
576 | else /* Compound types. */ | |
577 | { | |
578 | ||
579 | /* All compound types except array have a type symbol. For | |
580 | array, it is optional. Skip it. */ | |
5125905e | 581 | if (!XD_BASIC_DBUS_TYPE (XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (object)))) |
87cf1a39 MA |
582 | object = XD_NEXT_VALUE (object); |
583 | ||
584 | /* Open new subiteration. */ | |
585 | switch (dtype) | |
586 | { | |
587 | case DBUS_TYPE_ARRAY: | |
5125905e MA |
588 | /* An array has only elements of the same type. So it is |
589 | sufficient to check the first element's signature | |
590 | only. */ | |
591 | ||
592 | if (NILP (object)) | |
593 | /* If the array is empty, DBUS_TYPE_STRING is the default | |
594 | element type. */ | |
595 | strcpy (signature, DBUS_TYPE_STRING_AS_STRING); | |
596 | ||
597 | else | |
598 | /* If the element type is DBUS_TYPE_SIGNATURE, and this is | |
599 | the only element, the value of this element is used as | |
600 | the array's element signature. */ | |
601 | if ((XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (object)) | |
602 | == DBUS_TYPE_SIGNATURE) | |
603 | && STRINGP (CAR_SAFE (XD_NEXT_VALUE (object))) | |
604 | && NILP (CDR_SAFE (XD_NEXT_VALUE (object)))) | |
605 | { | |
59d6fe83 | 606 | strcpy (signature, SSDATA (CAR_SAFE (XD_NEXT_VALUE (object)))); |
5125905e MA |
607 | object = CDR_SAFE (XD_NEXT_VALUE (object)); |
608 | } | |
609 | ||
610 | else | |
611 | xd_signature (signature, | |
612 | XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (object)), | |
613 | dtype, CAR_SAFE (XD_NEXT_VALUE (object))); | |
614 | ||
615 | XD_DEBUG_MESSAGE ("%c %s %s", dtype, signature, | |
616 | SDATA (format2 ("%s", object, Qnil))); | |
617 | if (!dbus_message_iter_open_container (iter, dtype, | |
618 | signature, &subiter)) | |
1dae9197 MA |
619 | XD_SIGNAL3 (build_string ("Cannot open container"), |
620 | make_number (dtype), build_string (signature)); | |
5125905e MA |
621 | break; |
622 | ||
87cf1a39 | 623 | case DBUS_TYPE_VARIANT: |
5125905e MA |
624 | /* A variant has just one element. */ |
625 | xd_signature (signature, XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (object)), | |
626 | dtype, CAR_SAFE (XD_NEXT_VALUE (object))); | |
627 | ||
87cf1a39 MA |
628 | XD_DEBUG_MESSAGE ("%c %s %s", dtype, signature, |
629 | SDATA (format2 ("%s", object, Qnil))); | |
630 | if (!dbus_message_iter_open_container (iter, dtype, | |
631 | signature, &subiter)) | |
1dae9197 MA |
632 | XD_SIGNAL3 (build_string ("Cannot open container"), |
633 | make_number (dtype), build_string (signature)); | |
87cf1a39 MA |
634 | break; |
635 | ||
636 | case DBUS_TYPE_STRUCT: | |
637 | case DBUS_TYPE_DICT_ENTRY: | |
9af5078b | 638 | /* These containers do not require a signature. */ |
87cf1a39 MA |
639 | XD_DEBUG_MESSAGE ("%c %s", dtype, |
640 | SDATA (format2 ("%s", object, Qnil))); | |
641 | if (!dbus_message_iter_open_container (iter, dtype, NULL, &subiter)) | |
1dae9197 MA |
642 | XD_SIGNAL2 (build_string ("Cannot open container"), |
643 | make_number (dtype)); | |
87cf1a39 MA |
644 | break; |
645 | } | |
646 | ||
647 | /* Loop over list elements. */ | |
648 | while (!NILP (object)) | |
649 | { | |
5125905e | 650 | dtype = XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (object)); |
87cf1a39 MA |
651 | object = XD_NEXT_VALUE (object); |
652 | ||
5125905e | 653 | xd_append_arg (dtype, CAR_SAFE (object), &subiter); |
87cf1a39 | 654 | |
5125905e | 655 | object = CDR_SAFE (object); |
87cf1a39 MA |
656 | } |
657 | ||
9af5078b | 658 | /* Close the subiteration. */ |
87cf1a39 | 659 | if (!dbus_message_iter_close_container (iter, &subiter)) |
1dae9197 MA |
660 | XD_SIGNAL2 (build_string ("Cannot close container"), |
661 | make_number (dtype)); | |
87cf1a39 | 662 | } |
033b73e2 MA |
663 | } |
664 | ||
665 | /* Retrieve C value from a DBusMessageIter structure ITER, and return | |
666 | a converted Lisp object. The type DTYPE of the argument of the | |
9af5078b MA |
667 | D-Bus message must be a valid DBusType. Compound D-Bus types |
668 | result always in a Lisp list. */ | |
78c38319 | 669 | static Lisp_Object |
971de7fb | 670 | xd_retrieve_arg (unsigned int dtype, DBusMessageIter *iter) |
033b73e2 MA |
671 | { |
672 | ||
673 | switch (dtype) | |
674 | { | |
9af5078b | 675 | case DBUS_TYPE_BYTE: |
9af5078b | 676 | { |
17bc8f94 | 677 | unsigned int val; |
9af5078b | 678 | dbus_message_iter_get_basic (iter, &val); |
17bc8f94 | 679 | val = val & 0xFF; |
9af5078b MA |
680 | XD_DEBUG_MESSAGE ("%c %d", dtype, val); |
681 | return make_number (val); | |
682 | } | |
683 | ||
033b73e2 MA |
684 | case DBUS_TYPE_BOOLEAN: |
685 | { | |
686 | dbus_bool_t val; | |
687 | dbus_message_iter_get_basic (iter, &val); | |
87cf1a39 | 688 | XD_DEBUG_MESSAGE ("%c %s", dtype, (val == FALSE) ? "false" : "true"); |
033b73e2 MA |
689 | return (val == FALSE) ? Qnil : Qt; |
690 | } | |
87cf1a39 | 691 | |
17bc8f94 | 692 | case DBUS_TYPE_INT16: |
1cae01f7 AS |
693 | { |
694 | dbus_int16_t val; | |
695 | dbus_message_iter_get_basic (iter, &val); | |
696 | XD_DEBUG_MESSAGE ("%c %d", dtype, val); | |
697 | return make_number (val); | |
698 | } | |
699 | ||
17bc8f94 MA |
700 | case DBUS_TYPE_UINT16: |
701 | { | |
702 | dbus_uint16_t val; | |
703 | dbus_message_iter_get_basic (iter, &val); | |
704 | XD_DEBUG_MESSAGE ("%c %d", dtype, val); | |
705 | return make_number (val); | |
706 | } | |
707 | ||
033b73e2 | 708 | case DBUS_TYPE_INT32: |
1cae01f7 AS |
709 | { |
710 | dbus_int32_t val; | |
711 | dbus_message_iter_get_basic (iter, &val); | |
712 | XD_DEBUG_MESSAGE ("%c %d", dtype, val); | |
713 | return make_fixnum_or_float (val); | |
714 | } | |
715 | ||
033b73e2 | 716 | case DBUS_TYPE_UINT32: |
da1fec2b MA |
717 | #ifdef DBUS_TYPE_UNIX_FD |
718 | case DBUS_TYPE_UNIX_FD: | |
719 | #endif | |
033b73e2 MA |
720 | { |
721 | dbus_uint32_t val; | |
722 | dbus_message_iter_get_basic (iter, &val); | |
17bc8f94 | 723 | XD_DEBUG_MESSAGE ("%c %d", dtype, val); |
1cae01f7 | 724 | return make_fixnum_or_float (val); |
9af5078b MA |
725 | } |
726 | ||
727 | case DBUS_TYPE_INT64: | |
1cae01f7 AS |
728 | { |
729 | dbus_int64_t val; | |
730 | dbus_message_iter_get_basic (iter, &val); | |
731 | XD_DEBUG_MESSAGE ("%c %d", dtype, (int) val); | |
732 | return make_fixnum_or_float (val); | |
733 | } | |
734 | ||
9af5078b MA |
735 | case DBUS_TYPE_UINT64: |
736 | { | |
737 | dbus_uint64_t val; | |
738 | dbus_message_iter_get_basic (iter, &val); | |
17bc8f94 | 739 | XD_DEBUG_MESSAGE ("%c %d", dtype, (int) val); |
9af5078b MA |
740 | return make_fixnum_or_float (val); |
741 | } | |
742 | ||
743 | case DBUS_TYPE_DOUBLE: | |
744 | { | |
745 | double val; | |
746 | dbus_message_iter_get_basic (iter, &val); | |
747 | XD_DEBUG_MESSAGE ("%c %f", dtype, val); | |
748 | return make_float (val); | |
033b73e2 | 749 | } |
87cf1a39 | 750 | |
033b73e2 MA |
751 | case DBUS_TYPE_STRING: |
752 | case DBUS_TYPE_OBJECT_PATH: | |
9af5078b | 753 | case DBUS_TYPE_SIGNATURE: |
033b73e2 MA |
754 | { |
755 | char *val; | |
756 | dbus_message_iter_get_basic (iter, &val); | |
87cf1a39 | 757 | XD_DEBUG_MESSAGE ("%c %s", dtype, val); |
033b73e2 MA |
758 | return build_string (val); |
759 | } | |
87cf1a39 | 760 | |
033b73e2 MA |
761 | case DBUS_TYPE_ARRAY: |
762 | case DBUS_TYPE_VARIANT: | |
763 | case DBUS_TYPE_STRUCT: | |
764 | case DBUS_TYPE_DICT_ENTRY: | |
765 | { | |
766 | Lisp_Object result; | |
767 | struct gcpro gcpro1; | |
033b73e2 MA |
768 | DBusMessageIter subiter; |
769 | int subtype; | |
fa8e045a MA |
770 | result = Qnil; |
771 | GCPRO1 (result); | |
033b73e2 MA |
772 | dbus_message_iter_recurse (iter, &subiter); |
773 | while ((subtype = dbus_message_iter_get_arg_type (&subiter)) | |
774 | != DBUS_TYPE_INVALID) | |
775 | { | |
776 | result = Fcons (xd_retrieve_arg (subtype, &subiter), result); | |
777 | dbus_message_iter_next (&subiter); | |
778 | } | |
5125905e | 779 | XD_DEBUG_MESSAGE ("%c %s", dtype, SDATA (format2 ("%s", result, Qnil))); |
033b73e2 MA |
780 | RETURN_UNGCPRO (Fnreverse (result)); |
781 | } | |
87cf1a39 | 782 | |
033b73e2 | 783 | default: |
87cf1a39 | 784 | XD_DEBUG_MESSAGE ("DBusType '%c' not supported", dtype); |
033b73e2 MA |
785 | return Qnil; |
786 | } | |
787 | } | |
788 | ||
0c372655 MA |
789 | /* Initialize D-Bus connection. BUS is either a Lisp symbol, :system |
790 | or :session, or a string denoting the bus address. It tells which | |
791 | D-Bus to initialize. If RAISE_ERROR is non-zero, signal an error | |
792 | when the connection cannot be initialized. */ | |
78c38319 | 793 | static DBusConnection * |
2536a4b7 | 794 | xd_initialize (Lisp_Object bus, int raise_error) |
033b73e2 MA |
795 | { |
796 | DBusConnection *connection; | |
797 | DBusError derror; | |
798 | ||
799 | /* Parameter check. */ | |
0c372655 MA |
800 | if (!STRINGP (bus)) |
801 | { | |
802 | CHECK_SYMBOL (bus); | |
803 | if (!(EQ (bus, QCdbus_system_bus) || EQ (bus, QCdbus_session_bus))) | |
804 | { | |
805 | if (raise_error) | |
806 | XD_SIGNAL2 (build_string ("Wrong bus name"), bus); | |
807 | else | |
808 | return NULL; | |
809 | } | |
033b73e2 | 810 | |
0c372655 MA |
811 | /* We do not want to have an autolaunch for the session bus. */ |
812 | if (EQ (bus, QCdbus_session_bus) | |
813 | && getenv ("DBUS_SESSION_BUS_ADDRESS") == NULL) | |
814 | { | |
815 | if (raise_error) | |
816 | XD_SIGNAL2 (build_string ("No connection to bus"), bus); | |
817 | else | |
818 | return NULL; | |
819 | } | |
820 | } | |
3f56d3c6 | 821 | |
033b73e2 MA |
822 | /* Open a connection to the bus. */ |
823 | dbus_error_init (&derror); | |
824 | ||
0c372655 | 825 | if (STRINGP (bus)) |
59d6fe83 | 826 | connection = dbus_connection_open (SSDATA (bus), &derror); |
033b73e2 | 827 | else |
0c372655 MA |
828 | if (EQ (bus, QCdbus_system_bus)) |
829 | connection = dbus_bus_get (DBUS_BUS_SYSTEM, &derror); | |
830 | else | |
831 | connection = dbus_bus_get (DBUS_BUS_SESSION, &derror); | |
033b73e2 MA |
832 | |
833 | if (dbus_error_is_set (&derror)) | |
0c372655 MA |
834 | { |
835 | if (raise_error) | |
836 | XD_ERROR (derror); | |
837 | else | |
838 | connection = NULL; | |
839 | } | |
840 | ||
841 | /* If it is not the system or session bus, we must register | |
842 | ourselves. Otherwise, we have called dbus_bus_get, which has | |
843 | configured us to exit if the connection closes - we undo this | |
844 | setting. */ | |
845 | if (connection != NULL) | |
846 | { | |
847 | if (STRINGP (bus)) | |
848 | dbus_bus_register (connection, &derror); | |
849 | else | |
850 | dbus_connection_set_exit_on_disconnect (connection, FALSE); | |
851 | } | |
852 | ||
853 | if (dbus_error_is_set (&derror)) | |
854 | { | |
855 | if (raise_error) | |
856 | XD_ERROR (derror); | |
857 | else | |
858 | connection = NULL; | |
859 | } | |
033b73e2 | 860 | |
de06a2dd | 861 | if (connection == NULL && raise_error) |
3f56d3c6 | 862 | XD_SIGNAL2 (build_string ("No connection to bus"), bus); |
033b73e2 | 863 | |
c1d5ce94 MA |
864 | /* Cleanup. */ |
865 | dbus_error_free (&derror); | |
866 | ||
033b73e2 MA |
867 | /* Return the result. */ |
868 | return connection; | |
869 | } | |
870 | ||
3fad2ad2 | 871 | /* Return the file descriptor for WATCH, -1 if not found. */ |
3fad2ad2 J |
872 | static int |
873 | xd_find_watch_fd (DBusWatch *watch) | |
058ed861 | 874 | { |
eb4c6ace | 875 | #if HAVE_DBUS_WATCH_GET_UNIX_FD |
3fad2ad2 J |
876 | /* TODO: Reverse these on Win32, which prefers the opposite. */ |
877 | int fd = dbus_watch_get_unix_fd (watch); | |
878 | if (fd == -1) | |
879 | fd = dbus_watch_get_socket (watch); | |
3f56d3c6 | 880 | #else |
3fad2ad2 | 881 | int fd = dbus_watch_get_fd (watch); |
3f56d3c6 | 882 | #endif |
3fad2ad2 J |
883 | return fd; |
884 | } | |
3f56d3c6 | 885 | |
08609ffd MA |
886 | /* Prototype. */ |
887 | static void | |
888 | xd_read_queued_messages (int fd, void *data, int for_read); | |
058ed861 | 889 | |
3fad2ad2 | 890 | /* Start monitoring WATCH for possible I/O. */ |
3fad2ad2 J |
891 | static dbus_bool_t |
892 | xd_add_watch (DBusWatch *watch, void *data) | |
893 | { | |
894 | unsigned int flags = dbus_watch_get_flags (watch); | |
895 | int fd = xd_find_watch_fd (watch); | |
896 | ||
897 | XD_DEBUG_MESSAGE ("fd %d, write %d, enabled %d", | |
898 | fd, flags & DBUS_WATCH_WRITABLE, | |
899 | dbus_watch_get_enabled (watch)); | |
900 | ||
901 | if (fd == -1) | |
902 | return FALSE; | |
903 | ||
904 | if (dbus_watch_get_enabled (watch)) | |
905 | { | |
906 | if (flags & DBUS_WATCH_WRITABLE) | |
08609ffd | 907 | add_write_fd (fd, xd_read_queued_messages, data); |
3fad2ad2 | 908 | if (flags & DBUS_WATCH_READABLE) |
08609ffd | 909 | add_read_fd (fd, xd_read_queued_messages, data); |
3fad2ad2 | 910 | } |
058ed861 MA |
911 | return TRUE; |
912 | } | |
913 | ||
3fad2ad2 J |
914 | /* Stop monitoring WATCH for possible I/O. |
915 | DATA is the used bus, either a string or QCdbus_system_bus or | |
0c372655 | 916 | QCdbus_session_bus. */ |
3fad2ad2 | 917 | static void |
971de7fb | 918 | xd_remove_watch (DBusWatch *watch, void *data) |
058ed861 | 919 | { |
3fad2ad2 J |
920 | unsigned int flags = dbus_watch_get_flags (watch); |
921 | int fd = xd_find_watch_fd (watch); | |
3f56d3c6 | 922 | |
3fad2ad2 J |
923 | XD_DEBUG_MESSAGE ("fd %d", fd); |
924 | ||
08609ffd MA |
925 | if (fd == -1) |
926 | return; | |
777013f2 | 927 | |
3fad2ad2 | 928 | /* Unset session environment. */ |
b4289b64 | 929 | if (XSYMBOL (QCdbus_session_bus) == data) |
3fad2ad2 J |
930 | { |
931 | XD_DEBUG_MESSAGE ("unsetenv DBUS_SESSION_BUS_ADDRESS"); | |
932 | unsetenv ("DBUS_SESSION_BUS_ADDRESS"); | |
058ed861 MA |
933 | } |
934 | ||
3fad2ad2 J |
935 | if (flags & DBUS_WATCH_WRITABLE) |
936 | delete_write_fd (fd); | |
937 | if (flags & DBUS_WATCH_READABLE) | |
938 | delete_read_fd (fd); | |
939 | } | |
940 | ||
941 | /* Toggle monitoring WATCH for possible I/O. */ | |
3fad2ad2 J |
942 | static void |
943 | xd_toggle_watch (DBusWatch *watch, void *data) | |
944 | { | |
945 | if (dbus_watch_get_enabled (watch)) | |
946 | xd_add_watch (watch, data); | |
947 | else | |
948 | xd_remove_watch (watch, data); | |
058ed861 MA |
949 | } |
950 | ||
951 | DEFUN ("dbus-init-bus", Fdbus_init_bus, Sdbus_init_bus, 1, 1, 0, | |
0c372655 | 952 | doc: /* Initialize connection to D-Bus BUS. */) |
5842a27b | 953 | (Lisp_Object bus) |
058ed861 MA |
954 | { |
955 | DBusConnection *connection; | |
b4289b64 | 956 | void *busp; |
058ed861 | 957 | |
b4289b64 MA |
958 | /* Check parameter. */ |
959 | if (SYMBOLP (bus)) | |
960 | busp = XSYMBOL (bus); | |
961 | else if (STRINGP (bus)) | |
962 | busp = XSTRING (bus); | |
963 | else | |
964 | wrong_type_argument (intern ("D-Bus"), bus); | |
371cac43 | 965 | |
058ed861 | 966 | /* Open a connection to the bus. */ |
2536a4b7 | 967 | connection = xd_initialize (bus, TRUE); |
058ed861 | 968 | |
777013f2 MA |
969 | /* Add the watch functions. We pass also the bus as data, in order |
970 | to distinguish between the busses in xd_remove_watch. */ | |
058ed861 MA |
971 | if (!dbus_connection_set_watch_functions (connection, |
972 | xd_add_watch, | |
973 | xd_remove_watch, | |
3fad2ad2 | 974 | xd_toggle_watch, |
b4289b64 | 975 | busp, NULL)) |
058ed861 MA |
976 | XD_SIGNAL1 (build_string ("Cannot add watch functions")); |
977 | ||
0c372655 MA |
978 | /* Add bus to list of registered buses. */ |
979 | Vdbus_registered_buses = Fcons (bus, Vdbus_registered_buses); | |
980 | ||
a79b0f28 | 981 | /* We do not want to abort. */ |
78320123 | 982 | putenv ((char *) "DBUS_FATAL_WARNINGS=0"); |
a79b0f28 | 983 | |
0c372655 MA |
984 | /* Return. */ |
985 | return Qnil; | |
986 | } | |
987 | ||
988 | DEFUN ("dbus-close-bus", Fdbus_close_bus, Sdbus_close_bus, 1, 1, 0, | |
989 | doc: /* Close connection to D-Bus BUS. */) | |
990 | (Lisp_Object bus) | |
991 | { | |
992 | DBusConnection *connection; | |
993 | ||
994 | /* Open a connection to the bus. */ | |
995 | connection = xd_initialize (bus, TRUE); | |
996 | ||
997 | /* Decrement reference count to the bus. */ | |
998 | dbus_connection_unref (connection); | |
999 | ||
1000 | /* Remove bus from list of registered buses. */ | |
1001 | Vdbus_registered_buses = Fdelete (bus, Vdbus_registered_buses); | |
1002 | ||
058ed861 MA |
1003 | /* Return. */ |
1004 | return Qnil; | |
1005 | } | |
1006 | ||
033b73e2 MA |
1007 | DEFUN ("dbus-get-unique-name", Fdbus_get_unique_name, Sdbus_get_unique_name, |
1008 | 1, 1, 0, | |
5125905e | 1009 | doc: /* Return the unique name of Emacs registered at D-Bus BUS. */) |
5842a27b | 1010 | (Lisp_Object bus) |
033b73e2 MA |
1011 | { |
1012 | DBusConnection *connection; | |
48f7d213 | 1013 | const char *name; |
033b73e2 | 1014 | |
033b73e2 | 1015 | /* Open a connection to the bus. */ |
2536a4b7 | 1016 | connection = xd_initialize (bus, TRUE); |
033b73e2 MA |
1017 | |
1018 | /* Request the name. */ | |
48f7d213 | 1019 | name = dbus_bus_get_unique_name (connection); |
033b73e2 | 1020 | if (name == NULL) |
1dae9197 | 1021 | XD_SIGNAL1 (build_string ("No unique name available")); |
033b73e2 MA |
1022 | |
1023 | /* Return. */ | |
1024 | return build_string (name); | |
1025 | } | |
1026 | ||
1027 | DEFUN ("dbus-call-method", Fdbus_call_method, Sdbus_call_method, 5, MANY, 0, | |
1028 | doc: /* Call METHOD on the D-Bus BUS. | |
1029 | ||
0c372655 MA |
1030 | BUS is either a Lisp symbol, `:system' or `:session', or a string |
1031 | denoting the bus address. | |
033b73e2 MA |
1032 | |
1033 | SERVICE is the D-Bus service name to be used. PATH is the D-Bus | |
1034 | object path SERVICE is registered at. INTERFACE is an interface | |
1035 | offered by SERVICE. It must provide METHOD. | |
1036 | ||
90b3fc84 | 1037 | If the parameter `:timeout' is given, the following integer TIMEOUT |
f04bb9b2 | 1038 | specifies the maximum number of milliseconds the method call must |
1574224c | 1039 | return. The default value is 25,000. If the method call doesn't |
48f7d213 | 1040 | return in time, a D-Bus error is raised. |
90b3fc84 | 1041 | |
033b73e2 MA |
1042 | All other arguments ARGS are passed to METHOD as arguments. They are |
1043 | converted into D-Bus types via the following rules: | |
1044 | ||
1045 | t and nil => DBUS_TYPE_BOOLEAN | |
1046 | number => DBUS_TYPE_UINT32 | |
1047 | integer => DBUS_TYPE_INT32 | |
1048 | float => DBUS_TYPE_DOUBLE | |
1049 | string => DBUS_TYPE_STRING | |
87cf1a39 | 1050 | list => DBUS_TYPE_ARRAY |
033b73e2 | 1051 | |
87cf1a39 MA |
1052 | All arguments can be preceded by a type symbol. For details about |
1053 | type symbols, see Info node `(dbus)Type Conversion'. | |
033b73e2 MA |
1054 | |
1055 | `dbus-call-method' returns the resulting values of METHOD as a list of | |
1056 | Lisp objects. The type conversion happens the other direction as for | |
87cf1a39 MA |
1057 | input arguments. It follows the mapping rules: |
1058 | ||
1059 | DBUS_TYPE_BOOLEAN => t or nil | |
1060 | DBUS_TYPE_BYTE => number | |
1061 | DBUS_TYPE_UINT16 => number | |
1062 | DBUS_TYPE_INT16 => integer | |
9af5078b | 1063 | DBUS_TYPE_UINT32 => number or float |
da1fec2b | 1064 | DBUS_TYPE_UNIX_FD => number or float |
9af5078b MA |
1065 | DBUS_TYPE_INT32 => integer or float |
1066 | DBUS_TYPE_UINT64 => number or float | |
1067 | DBUS_TYPE_INT64 => integer or float | |
87cf1a39 MA |
1068 | DBUS_TYPE_DOUBLE => float |
1069 | DBUS_TYPE_STRING => string | |
1070 | DBUS_TYPE_OBJECT_PATH => string | |
1071 | DBUS_TYPE_SIGNATURE => string | |
1072 | DBUS_TYPE_ARRAY => list | |
1073 | DBUS_TYPE_VARIANT => list | |
1074 | DBUS_TYPE_STRUCT => list | |
1075 | DBUS_TYPE_DICT_ENTRY => list | |
1076 | ||
1077 | Example: | |
033b73e2 MA |
1078 | |
1079 | \(dbus-call-method | |
52da95fa MA |
1080 | :session "org.gnome.seahorse" "/org/gnome/seahorse/keys/openpgp" |
1081 | "org.gnome.seahorse.Keys" "GetKeyField" | |
033b73e2 MA |
1082 | "openpgp:657984B8C7A966DD" "simple-name") |
1083 | ||
1084 | => (t ("Philip R. Zimmermann")) | |
1085 | ||
1086 | If the result of the METHOD call is just one value, the converted Lisp | |
1087 | object is returned instead of a list containing this single Lisp object. | |
1088 | ||
1089 | \(dbus-call-method | |
52da95fa MA |
1090 | :system "org.freedesktop.Hal" "/org/freedesktop/Hal/devices/computer" |
1091 | "org.freedesktop.Hal.Device" "GetPropertyString" | |
033b73e2 MA |
1092 | "system.kernel.machine") |
1093 | ||
1094 | => "i686" | |
1095 | ||
edd9ab1e | 1096 | usage: (dbus-call-method BUS SERVICE PATH INTERFACE METHOD &optional :timeout TIMEOUT &rest ARGS) */) |
f66c7cf8 | 1097 | (ptrdiff_t nargs, Lisp_Object *args) |
033b73e2 | 1098 | { |
52da95fa | 1099 | Lisp_Object bus, service, path, interface, method; |
033b73e2 MA |
1100 | Lisp_Object result; |
1101 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; | |
1102 | DBusConnection *connection; | |
1103 | DBusMessage *dmessage; | |
1104 | DBusMessage *reply; | |
1105 | DBusMessageIter iter; | |
1106 | DBusError derror; | |
eb7c7bf5 | 1107 | unsigned int dtype; |
90b3fc84 | 1108 | int timeout = -1; |
f66c7cf8 | 1109 | ptrdiff_t i = 5; |
87cf1a39 | 1110 | char signature[DBUS_MAXIMUM_SIGNATURE_LENGTH]; |
033b73e2 MA |
1111 | |
1112 | /* Check parameters. */ | |
1113 | bus = args[0]; | |
52da95fa MA |
1114 | service = args[1]; |
1115 | path = args[2]; | |
1116 | interface = args[3]; | |
1117 | method = args[4]; | |
033b73e2 | 1118 | |
033b73e2 MA |
1119 | CHECK_STRING (service); |
1120 | CHECK_STRING (path); | |
1121 | CHECK_STRING (interface); | |
52da95fa MA |
1122 | CHECK_STRING (method); |
1123 | GCPRO5 (bus, service, path, interface, method); | |
033b73e2 MA |
1124 | |
1125 | XD_DEBUG_MESSAGE ("%s %s %s %s", | |
033b73e2 MA |
1126 | SDATA (service), |
1127 | SDATA (path), | |
52da95fa MA |
1128 | SDATA (interface), |
1129 | SDATA (method)); | |
033b73e2 MA |
1130 | |
1131 | /* Open a connection to the bus. */ | |
2536a4b7 | 1132 | connection = xd_initialize (bus, TRUE); |
033b73e2 MA |
1133 | |
1134 | /* Create the message. */ | |
59d6fe83 PE |
1135 | dmessage = dbus_message_new_method_call (SSDATA (service), |
1136 | SSDATA (path), | |
1137 | SSDATA (interface), | |
1138 | SSDATA (method)); | |
90b3fc84 | 1139 | UNGCPRO; |
033b73e2 | 1140 | if (dmessage == NULL) |
1dae9197 | 1141 | XD_SIGNAL1 (build_string ("Unable to create a new message")); |
90b3fc84 MA |
1142 | |
1143 | /* Check for timeout parameter. */ | |
1144 | if ((i+2 <= nargs) && (EQ ((args[i]), QCdbus_timeout))) | |
033b73e2 | 1145 | { |
90b3fc84 | 1146 | CHECK_NATNUM (args[i+1]); |
2d1fc3c7 | 1147 | timeout = XFASTINT (args[i+1]); |
90b3fc84 | 1148 | i = i+2; |
033b73e2 MA |
1149 | } |
1150 | ||
54371585 MA |
1151 | /* Initialize parameter list of message. */ |
1152 | dbus_message_iter_init_append (dmessage, &iter); | |
1153 | ||
033b73e2 | 1154 | /* Append parameters to the message. */ |
90b3fc84 | 1155 | for (; i < nargs; ++i) |
033b73e2 | 1156 | { |
87cf1a39 MA |
1157 | dtype = XD_OBJECT_TO_DBUS_TYPE (args[i]); |
1158 | if (XD_DBUS_TYPE_P (args[i])) | |
8c7a4ac5 MA |
1159 | { |
1160 | XD_DEBUG_VALID_LISP_OBJECT_P (args[i]); | |
1161 | XD_DEBUG_VALID_LISP_OBJECT_P (args[i+1]); | |
f66c7cf8 | 1162 | XD_DEBUG_MESSAGE ("Parameter%"pD"d %s %s", i - 4, |
8c7a4ac5 MA |
1163 | SDATA (format2 ("%s", args[i], Qnil)), |
1164 | SDATA (format2 ("%s", args[i+1], Qnil))); | |
1165 | ++i; | |
1166 | } | |
1167 | else | |
1168 | { | |
1169 | XD_DEBUG_VALID_LISP_OBJECT_P (args[i]); | |
f66c7cf8 | 1170 | XD_DEBUG_MESSAGE ("Parameter%"pD"d %s", i - 4, |
8c7a4ac5 MA |
1171 | SDATA (format2 ("%s", args[i], Qnil))); |
1172 | } | |
033b73e2 | 1173 | |
abe136ee | 1174 | /* Check for valid signature. We use DBUS_TYPE_INVALID as |
87cf1a39 MA |
1175 | indication that there is no parent type. */ |
1176 | xd_signature (signature, dtype, DBUS_TYPE_INVALID, args[i]); | |
1177 | ||
54371585 | 1178 | xd_append_arg (dtype, args[i], &iter); |
033b73e2 MA |
1179 | } |
1180 | ||
1181 | /* Send the message. */ | |
1182 | dbus_error_init (&derror); | |
1183 | reply = dbus_connection_send_with_reply_and_block (connection, | |
1184 | dmessage, | |
90b3fc84 | 1185 | timeout, |
033b73e2 MA |
1186 | &derror); |
1187 | ||
1188 | if (dbus_error_is_set (&derror)) | |
1189 | XD_ERROR (derror); | |
1190 | ||
1191 | if (reply == NULL) | |
1dae9197 | 1192 | XD_SIGNAL1 (build_string ("No reply")); |
033b73e2 MA |
1193 | |
1194 | XD_DEBUG_MESSAGE ("Message sent"); | |
1195 | ||
1196 | /* Collect the results. */ | |
1197 | result = Qnil; | |
1198 | GCPRO1 (result); | |
1199 | ||
2c3a8b27 | 1200 | if (dbus_message_iter_init (reply, &iter)) |
033b73e2 | 1201 | { |
2c3a8b27 MH |
1202 | /* Loop over the parameters of the D-Bus reply message. Construct a |
1203 | Lisp list, which is returned by `dbus-call-method'. */ | |
8c7a4ac5 MA |
1204 | while ((dtype = dbus_message_iter_get_arg_type (&iter)) |
1205 | != DBUS_TYPE_INVALID) | |
2c3a8b27 MH |
1206 | { |
1207 | result = Fcons (xd_retrieve_arg (dtype, &iter), result); | |
1208 | dbus_message_iter_next (&iter); | |
1209 | } | |
033b73e2 | 1210 | } |
2c3a8b27 | 1211 | else |
033b73e2 | 1212 | { |
8c7a4ac5 | 1213 | /* No arguments: just return nil. */ |
033b73e2 MA |
1214 | } |
1215 | ||
1216 | /* Cleanup. */ | |
c1d5ce94 | 1217 | dbus_error_free (&derror); |
033b73e2 MA |
1218 | dbus_message_unref (dmessage); |
1219 | dbus_message_unref (reply); | |
1220 | ||
1221 | /* Return the result. If there is only one single Lisp object, | |
1222 | return it as-it-is, otherwise return the reversed list. */ | |
2d1fc3c7 | 1223 | if (XFASTINT (Flength (result)) == 1) |
5125905e | 1224 | RETURN_UNGCPRO (CAR_SAFE (result)); |
033b73e2 MA |
1225 | else |
1226 | RETURN_UNGCPRO (Fnreverse (result)); | |
1227 | } | |
1228 | ||
13ecc6dc MA |
1229 | DEFUN ("dbus-call-method-asynchronously", Fdbus_call_method_asynchronously, |
1230 | Sdbus_call_method_asynchronously, 6, MANY, 0, | |
1231 | doc: /* Call METHOD on the D-Bus BUS asynchronously. | |
1232 | ||
0c372655 MA |
1233 | BUS is either a Lisp symbol, `:system' or `:session', or a string |
1234 | denoting the bus address. | |
13ecc6dc MA |
1235 | |
1236 | SERVICE is the D-Bus service name to be used. PATH is the D-Bus | |
1237 | object path SERVICE is registered at. INTERFACE is an interface | |
1238 | offered by SERVICE. It must provide METHOD. | |
1239 | ||
1240 | HANDLER is a Lisp function, which is called when the corresponding | |
ca4f31ea MA |
1241 | return message has arrived. If HANDLER is nil, no return message will |
1242 | be expected. | |
13ecc6dc MA |
1243 | |
1244 | If the parameter `:timeout' is given, the following integer TIMEOUT | |
f04bb9b2 | 1245 | specifies the maximum number of milliseconds the method call must |
1574224c | 1246 | return. The default value is 25,000. If the method call doesn't |
13ecc6dc MA |
1247 | return in time, a D-Bus error is raised. |
1248 | ||
1249 | All other arguments ARGS are passed to METHOD as arguments. They are | |
1250 | converted into D-Bus types via the following rules: | |
1251 | ||
1252 | t and nil => DBUS_TYPE_BOOLEAN | |
1253 | number => DBUS_TYPE_UINT32 | |
1254 | integer => DBUS_TYPE_INT32 | |
1255 | float => DBUS_TYPE_DOUBLE | |
1256 | string => DBUS_TYPE_STRING | |
1257 | list => DBUS_TYPE_ARRAY | |
1258 | ||
1259 | All arguments can be preceded by a type symbol. For details about | |
1260 | type symbols, see Info node `(dbus)Type Conversion'. | |
1261 | ||
ca4f31ea | 1262 | Unless HANDLER is nil, the function returns a key into the hash table |
f04bb9b2 MA |
1263 | `dbus-registered-objects-table'. The corresponding entry in the hash |
1264 | table is removed, when the return message has been arrived, and | |
13ecc6dc MA |
1265 | HANDLER is called. |
1266 | ||
1267 | Example: | |
1268 | ||
1269 | \(dbus-call-method-asynchronously | |
1270 | :system "org.freedesktop.Hal" "/org/freedesktop/Hal/devices/computer" | |
1271 | "org.freedesktop.Hal.Device" "GetPropertyString" 'message | |
1272 | "system.kernel.machine") | |
1273 | ||
1274 | => (:system 2) | |
1275 | ||
1276 | -| i686 | |
1277 | ||
edd9ab1e | 1278 | usage: (dbus-call-method-asynchronously BUS SERVICE PATH INTERFACE METHOD HANDLER &optional :timeout TIMEOUT &rest ARGS) */) |
f66c7cf8 | 1279 | (ptrdiff_t nargs, Lisp_Object *args) |
13ecc6dc MA |
1280 | { |
1281 | Lisp_Object bus, service, path, interface, method, handler; | |
1282 | Lisp_Object result; | |
1283 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5, gcpro6; | |
1284 | DBusConnection *connection; | |
1285 | DBusMessage *dmessage; | |
1286 | DBusMessageIter iter; | |
1287 | unsigned int dtype; | |
08686060 | 1288 | dbus_uint32_t serial; |
13ecc6dc | 1289 | int timeout = -1; |
f66c7cf8 | 1290 | ptrdiff_t i = 6; |
13ecc6dc MA |
1291 | char signature[DBUS_MAXIMUM_SIGNATURE_LENGTH]; |
1292 | ||
1293 | /* Check parameters. */ | |
1294 | bus = args[0]; | |
1295 | service = args[1]; | |
1296 | path = args[2]; | |
1297 | interface = args[3]; | |
1298 | method = args[4]; | |
1299 | handler = args[5]; | |
1300 | ||
13ecc6dc MA |
1301 | CHECK_STRING (service); |
1302 | CHECK_STRING (path); | |
1303 | CHECK_STRING (interface); | |
1304 | CHECK_STRING (method); | |
ca4f31ea | 1305 | if (!NILP (handler) && !FUNCTIONP (handler)) |
b4289b64 | 1306 | wrong_type_argument (Qinvalid_function, handler); |
13ecc6dc MA |
1307 | GCPRO6 (bus, service, path, interface, method, handler); |
1308 | ||
1309 | XD_DEBUG_MESSAGE ("%s %s %s %s", | |
1310 | SDATA (service), | |
1311 | SDATA (path), | |
1312 | SDATA (interface), | |
1313 | SDATA (method)); | |
1314 | ||
1315 | /* Open a connection to the bus. */ | |
2536a4b7 | 1316 | connection = xd_initialize (bus, TRUE); |
13ecc6dc MA |
1317 | |
1318 | /* Create the message. */ | |
59d6fe83 PE |
1319 | dmessage = dbus_message_new_method_call (SSDATA (service), |
1320 | SSDATA (path), | |
1321 | SSDATA (interface), | |
1322 | SSDATA (method)); | |
13ecc6dc | 1323 | if (dmessage == NULL) |
1dae9197 | 1324 | XD_SIGNAL1 (build_string ("Unable to create a new message")); |
13ecc6dc MA |
1325 | |
1326 | /* Check for timeout parameter. */ | |
1327 | if ((i+2 <= nargs) && (EQ ((args[i]), QCdbus_timeout))) | |
1328 | { | |
1329 | CHECK_NATNUM (args[i+1]); | |
2d1fc3c7 | 1330 | timeout = XFASTINT (args[i+1]); |
13ecc6dc MA |
1331 | i = i+2; |
1332 | } | |
1333 | ||
1334 | /* Initialize parameter list of message. */ | |
1335 | dbus_message_iter_init_append (dmessage, &iter); | |
1336 | ||
1337 | /* Append parameters to the message. */ | |
1338 | for (; i < nargs; ++i) | |
1339 | { | |
1340 | dtype = XD_OBJECT_TO_DBUS_TYPE (args[i]); | |
1341 | if (XD_DBUS_TYPE_P (args[i])) | |
1342 | { | |
1343 | XD_DEBUG_VALID_LISP_OBJECT_P (args[i]); | |
1344 | XD_DEBUG_VALID_LISP_OBJECT_P (args[i+1]); | |
f66c7cf8 | 1345 | XD_DEBUG_MESSAGE ("Parameter%"pD"d %s %s", i - 4, |
13ecc6dc MA |
1346 | SDATA (format2 ("%s", args[i], Qnil)), |
1347 | SDATA (format2 ("%s", args[i+1], Qnil))); | |
1348 | ++i; | |
1349 | } | |
1350 | else | |
1351 | { | |
1352 | XD_DEBUG_VALID_LISP_OBJECT_P (args[i]); | |
f66c7cf8 | 1353 | XD_DEBUG_MESSAGE ("Parameter%"pD"d %s", i - 4, |
13ecc6dc MA |
1354 | SDATA (format2 ("%s", args[i], Qnil))); |
1355 | } | |
1356 | ||
1357 | /* Check for valid signature. We use DBUS_TYPE_INVALID as | |
1358 | indication that there is no parent type. */ | |
1359 | xd_signature (signature, dtype, DBUS_TYPE_INVALID, args[i]); | |
1360 | ||
1361 | xd_append_arg (dtype, args[i], &iter); | |
1362 | } | |
1363 | ||
ca4f31ea MA |
1364 | if (!NILP (handler)) |
1365 | { | |
1366 | /* Send the message. The message is just added to the outgoing | |
1367 | message queue. */ | |
1368 | if (!dbus_connection_send_with_reply (connection, dmessage, | |
1369 | NULL, timeout)) | |
1370 | XD_SIGNAL1 (build_string ("Cannot send message")); | |
13ecc6dc | 1371 | |
f04bb9b2 | 1372 | /* The result is the key in Vdbus_registered_objects_table. */ |
08686060 PE |
1373 | serial = dbus_message_get_serial (dmessage); |
1374 | result = list2 (bus, make_fixnum_or_float (serial)); | |
13ecc6dc | 1375 | |
ca4f31ea | 1376 | /* Create a hash table entry. */ |
f04bb9b2 | 1377 | Fputhash (result, handler, Vdbus_registered_objects_table); |
ca4f31ea MA |
1378 | } |
1379 | else | |
1380 | { | |
1381 | /* Send the message. The message is just added to the outgoing | |
1382 | message queue. */ | |
1383 | if (!dbus_connection_send (connection, dmessage, NULL)) | |
1384 | XD_SIGNAL1 (build_string ("Cannot send message")); | |
13ecc6dc | 1385 | |
ca4f31ea MA |
1386 | result = Qnil; |
1387 | } | |
1388 | ||
ca4f31ea | 1389 | XD_DEBUG_MESSAGE ("Message sent"); |
13ecc6dc MA |
1390 | |
1391 | /* Cleanup. */ | |
1392 | dbus_message_unref (dmessage); | |
1393 | ||
1394 | /* Return the result. */ | |
1395 | RETURN_UNGCPRO (result); | |
1396 | } | |
1397 | ||
8c7a4ac5 MA |
1398 | DEFUN ("dbus-method-return-internal", Fdbus_method_return_internal, |
1399 | Sdbus_method_return_internal, | |
abe136ee | 1400 | 3, MANY, 0, |
8c7a4ac5 | 1401 | doc: /* Return for message SERIAL on the D-Bus BUS. |
abe136ee MA |
1402 | This is an internal function, it shall not be used outside dbus.el. |
1403 | ||
8c7a4ac5 | 1404 | usage: (dbus-method-return-internal BUS SERIAL SERVICE &rest ARGS) */) |
f66c7cf8 | 1405 | (ptrdiff_t nargs, Lisp_Object *args) |
abe136ee | 1406 | { |
08686060 PE |
1407 | Lisp_Object bus, service; |
1408 | struct gcpro gcpro1, gcpro2; | |
abe136ee MA |
1409 | DBusConnection *connection; |
1410 | DBusMessage *dmessage; | |
1411 | DBusMessageIter iter; | |
08686060 PE |
1412 | dbus_uint32_t serial; |
1413 | unsigned int ui_serial, dtype; | |
f66c7cf8 | 1414 | ptrdiff_t i; |
abe136ee MA |
1415 | char signature[DBUS_MAXIMUM_SIGNATURE_LENGTH]; |
1416 | ||
1417 | /* Check parameters. */ | |
1418 | bus = args[0]; | |
abe136ee MA |
1419 | service = args[2]; |
1420 | ||
08686060 | 1421 | CHECK_DBUS_SERIAL_GET_SERIAL (args[1], serial); |
abe136ee | 1422 | CHECK_STRING (service); |
08686060 | 1423 | GCPRO2 (bus, service); |
abe136ee | 1424 | |
08686060 PE |
1425 | ui_serial = serial; |
1426 | XD_DEBUG_MESSAGE ("%u %s ", ui_serial, SSDATA (service)); | |
abe136ee MA |
1427 | |
1428 | /* Open a connection to the bus. */ | |
2536a4b7 | 1429 | connection = xd_initialize (bus, TRUE); |
abe136ee MA |
1430 | |
1431 | /* Create the message. */ | |
1432 | dmessage = dbus_message_new (DBUS_MESSAGE_TYPE_METHOD_RETURN); | |
1433 | if ((dmessage == NULL) | |
08686060 | 1434 | || (!dbus_message_set_reply_serial (dmessage, serial)) |
59d6fe83 | 1435 | || (!dbus_message_set_destination (dmessage, SSDATA (service)))) |
abe136ee MA |
1436 | { |
1437 | UNGCPRO; | |
1dae9197 | 1438 | XD_SIGNAL1 (build_string ("Unable to create a return message")); |
abe136ee MA |
1439 | } |
1440 | ||
1441 | UNGCPRO; | |
1442 | ||
1443 | /* Initialize parameter list of message. */ | |
1444 | dbus_message_iter_init_append (dmessage, &iter); | |
1445 | ||
1446 | /* Append parameters to the message. */ | |
1447 | for (i = 3; i < nargs; ++i) | |
1448 | { | |
abe136ee MA |
1449 | dtype = XD_OBJECT_TO_DBUS_TYPE (args[i]); |
1450 | if (XD_DBUS_TYPE_P (args[i])) | |
8c7a4ac5 MA |
1451 | { |
1452 | XD_DEBUG_VALID_LISP_OBJECT_P (args[i]); | |
1453 | XD_DEBUG_VALID_LISP_OBJECT_P (args[i+1]); | |
f66c7cf8 | 1454 | XD_DEBUG_MESSAGE ("Parameter%"pD"d %s %s", i - 2, |
8c7a4ac5 MA |
1455 | SDATA (format2 ("%s", args[i], Qnil)), |
1456 | SDATA (format2 ("%s", args[i+1], Qnil))); | |
1457 | ++i; | |
1458 | } | |
1459 | else | |
1460 | { | |
1461 | XD_DEBUG_VALID_LISP_OBJECT_P (args[i]); | |
f66c7cf8 | 1462 | XD_DEBUG_MESSAGE ("Parameter%"pD"d %s", i - 2, |
8c7a4ac5 MA |
1463 | SDATA (format2 ("%s", args[i], Qnil))); |
1464 | } | |
abe136ee MA |
1465 | |
1466 | /* Check for valid signature. We use DBUS_TYPE_INVALID as | |
1467 | indication that there is no parent type. */ | |
1468 | xd_signature (signature, dtype, DBUS_TYPE_INVALID, args[i]); | |
1469 | ||
1470 | xd_append_arg (dtype, args[i], &iter); | |
1471 | } | |
1472 | ||
1473 | /* Send the message. The message is just added to the outgoing | |
1474 | message queue. */ | |
1475 | if (!dbus_connection_send (connection, dmessage, NULL)) | |
1dae9197 | 1476 | XD_SIGNAL1 (build_string ("Cannot send message")); |
abe136ee | 1477 | |
abe136ee MA |
1478 | XD_DEBUG_MESSAGE ("Message sent"); |
1479 | ||
1480 | /* Cleanup. */ | |
1481 | dbus_message_unref (dmessage); | |
1482 | ||
1483 | /* Return. */ | |
1484 | return Qt; | |
1485 | } | |
1486 | ||
13ecc6dc MA |
1487 | DEFUN ("dbus-method-error-internal", Fdbus_method_error_internal, |
1488 | Sdbus_method_error_internal, | |
1489 | 3, MANY, 0, | |
1490 | doc: /* Return error message for message SERIAL on the D-Bus BUS. | |
1491 | This is an internal function, it shall not be used outside dbus.el. | |
1492 | ||
1493 | usage: (dbus-method-error-internal BUS SERIAL SERVICE &rest ARGS) */) | |
f66c7cf8 | 1494 | (ptrdiff_t nargs, Lisp_Object *args) |
13ecc6dc | 1495 | { |
08686060 PE |
1496 | Lisp_Object bus, service; |
1497 | struct gcpro gcpro1, gcpro2; | |
13ecc6dc MA |
1498 | DBusConnection *connection; |
1499 | DBusMessage *dmessage; | |
1500 | DBusMessageIter iter; | |
08686060 PE |
1501 | dbus_uint32_t serial; |
1502 | unsigned int ui_serial, dtype; | |
f66c7cf8 | 1503 | ptrdiff_t i; |
13ecc6dc MA |
1504 | char signature[DBUS_MAXIMUM_SIGNATURE_LENGTH]; |
1505 | ||
1506 | /* Check parameters. */ | |
1507 | bus = args[0]; | |
13ecc6dc MA |
1508 | service = args[2]; |
1509 | ||
08686060 | 1510 | CHECK_DBUS_SERIAL_GET_SERIAL (args[1], serial); |
13ecc6dc | 1511 | CHECK_STRING (service); |
08686060 | 1512 | GCPRO2 (bus, service); |
13ecc6dc | 1513 | |
08686060 PE |
1514 | ui_serial = serial; |
1515 | XD_DEBUG_MESSAGE ("%u %s ", ui_serial, SSDATA (service)); | |
13ecc6dc MA |
1516 | |
1517 | /* Open a connection to the bus. */ | |
2536a4b7 | 1518 | connection = xd_initialize (bus, TRUE); |
13ecc6dc MA |
1519 | |
1520 | /* Create the message. */ | |
1521 | dmessage = dbus_message_new (DBUS_MESSAGE_TYPE_ERROR); | |
1522 | if ((dmessage == NULL) | |
1523 | || (!dbus_message_set_error_name (dmessage, DBUS_ERROR_FAILED)) | |
08686060 | 1524 | || (!dbus_message_set_reply_serial (dmessage, serial)) |
59d6fe83 | 1525 | || (!dbus_message_set_destination (dmessage, SSDATA (service)))) |
13ecc6dc MA |
1526 | { |
1527 | UNGCPRO; | |
1dae9197 | 1528 | XD_SIGNAL1 (build_string ("Unable to create a error message")); |
13ecc6dc MA |
1529 | } |
1530 | ||
1531 | UNGCPRO; | |
1532 | ||
1533 | /* Initialize parameter list of message. */ | |
1534 | dbus_message_iter_init_append (dmessage, &iter); | |
1535 | ||
1536 | /* Append parameters to the message. */ | |
1537 | for (i = 3; i < nargs; ++i) | |
1538 | { | |
1539 | dtype = XD_OBJECT_TO_DBUS_TYPE (args[i]); | |
1540 | if (XD_DBUS_TYPE_P (args[i])) | |
1541 | { | |
1542 | XD_DEBUG_VALID_LISP_OBJECT_P (args[i]); | |
1543 | XD_DEBUG_VALID_LISP_OBJECT_P (args[i+1]); | |
f66c7cf8 | 1544 | XD_DEBUG_MESSAGE ("Parameter%"pD"d %s %s", i - 2, |
13ecc6dc MA |
1545 | SDATA (format2 ("%s", args[i], Qnil)), |
1546 | SDATA (format2 ("%s", args[i+1], Qnil))); | |
1547 | ++i; | |
1548 | } | |
1549 | else | |
1550 | { | |
1551 | XD_DEBUG_VALID_LISP_OBJECT_P (args[i]); | |
f66c7cf8 | 1552 | XD_DEBUG_MESSAGE ("Parameter%"pD"d %s", i - 2, |
13ecc6dc MA |
1553 | SDATA (format2 ("%s", args[i], Qnil))); |
1554 | } | |
1555 | ||
1556 | /* Check for valid signature. We use DBUS_TYPE_INVALID as | |
1557 | indication that there is no parent type. */ | |
1558 | xd_signature (signature, dtype, DBUS_TYPE_INVALID, args[i]); | |
1559 | ||
1560 | xd_append_arg (dtype, args[i], &iter); | |
1561 | } | |
1562 | ||
1563 | /* Send the message. The message is just added to the outgoing | |
1564 | message queue. */ | |
1565 | if (!dbus_connection_send (connection, dmessage, NULL)) | |
1dae9197 | 1566 | XD_SIGNAL1 (build_string ("Cannot send message")); |
13ecc6dc | 1567 | |
13ecc6dc MA |
1568 | XD_DEBUG_MESSAGE ("Message sent"); |
1569 | ||
1570 | /* Cleanup. */ | |
1571 | dbus_message_unref (dmessage); | |
1572 | ||
1573 | /* Return. */ | |
1574 | return Qt; | |
1575 | } | |
1576 | ||
033b73e2 MA |
1577 | DEFUN ("dbus-send-signal", Fdbus_send_signal, Sdbus_send_signal, 5, MANY, 0, |
1578 | doc: /* Send signal SIGNAL on the D-Bus BUS. | |
1579 | ||
0c372655 MA |
1580 | BUS is either a Lisp symbol, `:system' or `:session', or a string |
1581 | denoting the bus address. | |
033b73e2 MA |
1582 | |
1583 | SERVICE is the D-Bus service name SIGNAL is sent from. PATH is the | |
1584 | D-Bus object path SERVICE is registered at. INTERFACE is an interface | |
1585 | offered by SERVICE. It must provide signal SIGNAL. | |
1586 | ||
1587 | All other arguments ARGS are passed to SIGNAL as arguments. They are | |
1588 | converted into D-Bus types via the following rules: | |
1589 | ||
1590 | t and nil => DBUS_TYPE_BOOLEAN | |
1591 | number => DBUS_TYPE_UINT32 | |
1592 | integer => DBUS_TYPE_INT32 | |
1593 | float => DBUS_TYPE_DOUBLE | |
1594 | string => DBUS_TYPE_STRING | |
87cf1a39 | 1595 | list => DBUS_TYPE_ARRAY |
033b73e2 | 1596 | |
87cf1a39 MA |
1597 | All arguments can be preceded by a type symbol. For details about |
1598 | type symbols, see Info node `(dbus)Type Conversion'. | |
033b73e2 MA |
1599 | |
1600 | Example: | |
1601 | ||
1602 | \(dbus-send-signal | |
52da95fa MA |
1603 | :session "org.gnu.Emacs" "/org/gnu/Emacs" |
1604 | "org.gnu.Emacs.FileManager" "FileModified" "/home/albinus/.emacs") | |
033b73e2 | 1605 | |
52da95fa | 1606 | usage: (dbus-send-signal BUS SERVICE PATH INTERFACE SIGNAL &rest ARGS) */) |
f66c7cf8 | 1607 | (ptrdiff_t nargs, Lisp_Object *args) |
033b73e2 | 1608 | { |
52da95fa | 1609 | Lisp_Object bus, service, path, interface, signal; |
033b73e2 MA |
1610 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5; |
1611 | DBusConnection *connection; | |
1612 | DBusMessage *dmessage; | |
54371585 | 1613 | DBusMessageIter iter; |
eb7c7bf5 | 1614 | unsigned int dtype; |
f66c7cf8 | 1615 | ptrdiff_t i; |
87cf1a39 | 1616 | char signature[DBUS_MAXIMUM_SIGNATURE_LENGTH]; |
033b73e2 MA |
1617 | |
1618 | /* Check parameters. */ | |
1619 | bus = args[0]; | |
52da95fa MA |
1620 | service = args[1]; |
1621 | path = args[2]; | |
1622 | interface = args[3]; | |
1623 | signal = args[4]; | |
033b73e2 | 1624 | |
033b73e2 MA |
1625 | CHECK_STRING (service); |
1626 | CHECK_STRING (path); | |
1627 | CHECK_STRING (interface); | |
52da95fa MA |
1628 | CHECK_STRING (signal); |
1629 | GCPRO5 (bus, service, path, interface, signal); | |
033b73e2 MA |
1630 | |
1631 | XD_DEBUG_MESSAGE ("%s %s %s %s", | |
033b73e2 MA |
1632 | SDATA (service), |
1633 | SDATA (path), | |
52da95fa MA |
1634 | SDATA (interface), |
1635 | SDATA (signal)); | |
033b73e2 MA |
1636 | |
1637 | /* Open a connection to the bus. */ | |
2536a4b7 | 1638 | connection = xd_initialize (bus, TRUE); |
033b73e2 MA |
1639 | |
1640 | /* Create the message. */ | |
59d6fe83 PE |
1641 | dmessage = dbus_message_new_signal (SSDATA (path), |
1642 | SSDATA (interface), | |
1643 | SSDATA (signal)); | |
033b73e2 | 1644 | UNGCPRO; |
90b3fc84 | 1645 | if (dmessage == NULL) |
1dae9197 | 1646 | XD_SIGNAL1 (build_string ("Unable to create a new message")); |
033b73e2 | 1647 | |
54371585 MA |
1648 | /* Initialize parameter list of message. */ |
1649 | dbus_message_iter_init_append (dmessage, &iter); | |
1650 | ||
033b73e2 MA |
1651 | /* Append parameters to the message. */ |
1652 | for (i = 5; i < nargs; ++i) | |
1653 | { | |
87cf1a39 MA |
1654 | dtype = XD_OBJECT_TO_DBUS_TYPE (args[i]); |
1655 | if (XD_DBUS_TYPE_P (args[i])) | |
8c7a4ac5 MA |
1656 | { |
1657 | XD_DEBUG_VALID_LISP_OBJECT_P (args[i]); | |
1658 | XD_DEBUG_VALID_LISP_OBJECT_P (args[i+1]); | |
f66c7cf8 | 1659 | XD_DEBUG_MESSAGE ("Parameter%"pD"d %s %s", i - 4, |
8c7a4ac5 MA |
1660 | SDATA (format2 ("%s", args[i], Qnil)), |
1661 | SDATA (format2 ("%s", args[i+1], Qnil))); | |
1662 | ++i; | |
1663 | } | |
1664 | else | |
1665 | { | |
1666 | XD_DEBUG_VALID_LISP_OBJECT_P (args[i]); | |
f66c7cf8 | 1667 | XD_DEBUG_MESSAGE ("Parameter%"pD"d %s", i - 4, |
8c7a4ac5 MA |
1668 | SDATA (format2 ("%s", args[i], Qnil))); |
1669 | } | |
033b73e2 | 1670 | |
abe136ee | 1671 | /* Check for valid signature. We use DBUS_TYPE_INVALID as |
87cf1a39 MA |
1672 | indication that there is no parent type. */ |
1673 | xd_signature (signature, dtype, DBUS_TYPE_INVALID, args[i]); | |
1674 | ||
54371585 | 1675 | xd_append_arg (dtype, args[i], &iter); |
033b73e2 MA |
1676 | } |
1677 | ||
1678 | /* Send the message. The message is just added to the outgoing | |
1679 | message queue. */ | |
1680 | if (!dbus_connection_send (connection, dmessage, NULL)) | |
1dae9197 | 1681 | XD_SIGNAL1 (build_string ("Cannot send message")); |
033b73e2 | 1682 | |
033b73e2 MA |
1683 | XD_DEBUG_MESSAGE ("Signal sent"); |
1684 | ||
1685 | /* Cleanup. */ | |
1686 | dbus_message_unref (dmessage); | |
1687 | ||
1688 | /* Return. */ | |
1689 | return Qt; | |
1690 | } | |
1691 | ||
3fad2ad2 J |
1692 | /* Read one queued incoming message of the D-Bus BUS. |
1693 | BUS is either a Lisp symbol, :system or :session, or a string denoting | |
1694 | the bus address. */ | |
3fad2ad2 J |
1695 | static void |
1696 | xd_read_message_1 (DBusConnection *connection, Lisp_Object bus) | |
033b73e2 | 1697 | { |
a31d47c7 | 1698 | Lisp_Object args, key, value; |
033b73e2 | 1699 | struct gcpro gcpro1; |
15f16c1b | 1700 | struct input_event event; |
033b73e2 MA |
1701 | DBusMessage *dmessage; |
1702 | DBusMessageIter iter; | |
eb7c7bf5 | 1703 | unsigned int dtype; |
30217ff0 PE |
1704 | int mtype; |
1705 | dbus_uint32_t serial; | |
08686060 | 1706 | unsigned int ui_serial; |
a8e72f4f | 1707 | const char *uname, *path, *interface, *member; |
39abdd4a | 1708 | |
033b73e2 MA |
1709 | dmessage = dbus_connection_pop_message (connection); |
1710 | ||
1711 | /* Return if there is no queued message. */ | |
1712 | if (dmessage == NULL) | |
3fad2ad2 | 1713 | return; |
033b73e2 MA |
1714 | |
1715 | /* Collect the parameters. */ | |
a31d47c7 MA |
1716 | args = Qnil; |
1717 | GCPRO1 (args); | |
033b73e2 | 1718 | |
033b73e2 | 1719 | /* Loop over the resulting parameters. Construct a list. */ |
17bc8f94 | 1720 | if (dbus_message_iter_init (dmessage, &iter)) |
033b73e2 | 1721 | { |
17bc8f94 MA |
1722 | while ((dtype = dbus_message_iter_get_arg_type (&iter)) |
1723 | != DBUS_TYPE_INVALID) | |
1724 | { | |
1725 | args = Fcons (xd_retrieve_arg (dtype, &iter), args); | |
1726 | dbus_message_iter_next (&iter); | |
1727 | } | |
1728 | /* The arguments are stored in reverse order. Reorder them. */ | |
1729 | args = Fnreverse (args); | |
033b73e2 MA |
1730 | } |
1731 | ||
13ecc6dc MA |
1732 | /* Read message type, message serial, unique name, object path, |
1733 | interface and member from the message. */ | |
367ea173 | 1734 | mtype = dbus_message_get_type (dmessage); |
08686060 | 1735 | ui_serial = serial = |
367ea173 MA |
1736 | ((mtype == DBUS_MESSAGE_TYPE_METHOD_RETURN) |
1737 | || (mtype == DBUS_MESSAGE_TYPE_ERROR)) | |
1738 | ? dbus_message_get_reply_serial (dmessage) | |
1739 | : dbus_message_get_serial (dmessage); | |
1740 | uname = dbus_message_get_sender (dmessage); | |
1741 | path = dbus_message_get_path (dmessage); | |
a8e72f4f | 1742 | interface = dbus_message_get_interface (dmessage); |
367ea173 | 1743 | member = dbus_message_get_member (dmessage); |
a8e72f4f | 1744 | |
30217ff0 | 1745 | XD_DEBUG_MESSAGE ("Event received: %s %u %s %s %s %s %s", |
367ea173 MA |
1746 | (mtype == DBUS_MESSAGE_TYPE_INVALID) |
1747 | ? "DBUS_MESSAGE_TYPE_INVALID" | |
1748 | : (mtype == DBUS_MESSAGE_TYPE_METHOD_CALL) | |
1749 | ? "DBUS_MESSAGE_TYPE_METHOD_CALL" | |
1750 | : (mtype == DBUS_MESSAGE_TYPE_METHOD_RETURN) | |
1751 | ? "DBUS_MESSAGE_TYPE_METHOD_RETURN" | |
1752 | : (mtype == DBUS_MESSAGE_TYPE_ERROR) | |
1753 | ? "DBUS_MESSAGE_TYPE_ERROR" | |
1754 | : "DBUS_MESSAGE_TYPE_SIGNAL", | |
08686060 | 1755 | ui_serial, uname, path, interface, member, |
17bc8f94 MA |
1756 | SDATA (format2 ("%s", args, Qnil))); |
1757 | ||
367ea173 MA |
1758 | if ((mtype == DBUS_MESSAGE_TYPE_METHOD_RETURN) |
1759 | || (mtype == DBUS_MESSAGE_TYPE_ERROR)) | |
13ecc6dc MA |
1760 | { |
1761 | /* Search for a registered function of the message. */ | |
08686060 | 1762 | key = list2 (bus, make_fixnum_or_float (serial)); |
f04bb9b2 | 1763 | value = Fgethash (key, Vdbus_registered_objects_table, Qnil); |
13ecc6dc MA |
1764 | |
1765 | /* There shall be exactly one entry. Construct an event. */ | |
1766 | if (NILP (value)) | |
1767 | goto cleanup; | |
1768 | ||
1769 | /* Remove the entry. */ | |
f04bb9b2 | 1770 | Fremhash (key, Vdbus_registered_objects_table); |
13ecc6dc MA |
1771 | |
1772 | /* Construct an event. */ | |
1773 | EVENT_INIT (event); | |
1774 | event.kind = DBUS_EVENT; | |
1775 | event.frame_or_window = Qnil; | |
1776 | event.arg = Fcons (value, args); | |
1777 | } | |
a31d47c7 | 1778 | |
13ecc6dc | 1779 | else /* (mtype != DBUS_MESSAGE_TYPE_METHOD_RETURN) */ |
a31d47c7 | 1780 | { |
f04bb9b2 MA |
1781 | /* Vdbus_registered_objects_table requires non-nil interface and |
1782 | member. */ | |
13ecc6dc MA |
1783 | if ((interface == NULL) || (member == NULL)) |
1784 | goto cleanup; | |
1785 | ||
1786 | /* Search for a registered function of the message. */ | |
1787 | key = list3 (bus, build_string (interface), build_string (member)); | |
f04bb9b2 | 1788 | value = Fgethash (key, Vdbus_registered_objects_table, Qnil); |
13ecc6dc MA |
1789 | |
1790 | /* Loop over the registered functions. Construct an event. */ | |
1791 | while (!NILP (value)) | |
a31d47c7 | 1792 | { |
13ecc6dc MA |
1793 | key = CAR_SAFE (value); |
1794 | /* key has the structure (UNAME SERVICE PATH HANDLER). */ | |
1795 | if (((uname == NULL) | |
1796 | || (NILP (CAR_SAFE (key))) | |
59d6fe83 | 1797 | || (strcmp (uname, SSDATA (CAR_SAFE (key))) == 0)) |
13ecc6dc MA |
1798 | && ((path == NULL) |
1799 | || (NILP (CAR_SAFE (CDR_SAFE (CDR_SAFE (key))))) | |
1800 | || (strcmp (path, | |
59d6fe83 | 1801 | SSDATA (CAR_SAFE (CDR_SAFE (CDR_SAFE (key))))) |
13ecc6dc MA |
1802 | == 0)) |
1803 | && (!NILP (CAR_SAFE (CDR_SAFE (CDR_SAFE (CDR_SAFE (key))))))) | |
1804 | { | |
1805 | EVENT_INIT (event); | |
1806 | event.kind = DBUS_EVENT; | |
1807 | event.frame_or_window = Qnil; | |
b4289b64 MA |
1808 | event.arg |
1809 | = Fcons (CAR_SAFE (CDR_SAFE (CDR_SAFE (CDR_SAFE (key)))), args); | |
13ecc6dc MA |
1810 | break; |
1811 | } | |
1812 | value = CDR_SAFE (value); | |
a31d47c7 | 1813 | } |
13ecc6dc MA |
1814 | |
1815 | if (NILP (value)) | |
1816 | goto cleanup; | |
a31d47c7 | 1817 | } |
033b73e2 | 1818 | |
13ecc6dc MA |
1819 | /* Add type, serial, uname, path, interface and member to the event. */ |
1820 | event.arg = Fcons ((member == NULL ? Qnil : build_string (member)), | |
1821 | event.arg); | |
1822 | event.arg = Fcons ((interface == NULL ? Qnil : build_string (interface)), | |
1823 | event.arg); | |
1824 | event.arg = Fcons ((path == NULL ? Qnil : build_string (path)), | |
1825 | event.arg); | |
1826 | event.arg = Fcons ((uname == NULL ? Qnil : build_string (uname)), | |
1827 | event.arg); | |
08686060 | 1828 | event.arg = Fcons (make_fixnum_or_float (serial), event.arg); |
13ecc6dc MA |
1829 | event.arg = Fcons (make_number (mtype), event.arg); |
1830 | ||
1831 | /* Add the bus symbol to the event. */ | |
1832 | event.arg = Fcons (bus, event.arg); | |
1833 | ||
1834 | /* Store it into the input event queue. */ | |
1835 | kbd_buffer_store_event (&event); | |
1836 | ||
1837 | XD_DEBUG_MESSAGE ("Event stored: %s", | |
1838 | SDATA (format2 ("%s", event.arg, Qnil))); | |
1839 | ||
c1d5ce94 | 1840 | /* Cleanup. */ |
a8e72f4f | 1841 | cleanup: |
033b73e2 | 1842 | dbus_message_unref (dmessage); |
c1d5ce94 | 1843 | |
3fad2ad2 J |
1844 | UNGCPRO; |
1845 | } | |
1846 | ||
1847 | /* Read queued incoming messages of the D-Bus BUS. | |
1848 | BUS is either a Lisp symbol, :system or :session, or a string denoting | |
1849 | the bus address. */ | |
3fad2ad2 J |
1850 | static Lisp_Object |
1851 | xd_read_message (Lisp_Object bus) | |
1852 | { | |
1853 | /* Open a connection to the bus. */ | |
1854 | DBusConnection *connection = xd_initialize (bus, TRUE); | |
1855 | ||
1856 | /* Non blocking read of the next available message. */ | |
1857 | dbus_connection_read_write (connection, 0); | |
1858 | ||
1859 | while (dbus_connection_get_dispatch_status (connection) | |
1860 | != DBUS_DISPATCH_COMPLETE) | |
1861 | xd_read_message_1 (connection, bus); | |
1862 | return Qnil; | |
033b73e2 MA |
1863 | } |
1864 | ||
08609ffd MA |
1865 | /* Callback called when something is ready to read or write. */ |
1866 | static void | |
1867 | xd_read_queued_messages (int fd, void *data, int for_read) | |
033b73e2 | 1868 | { |
0c372655 | 1869 | Lisp_Object busp = Vdbus_registered_buses; |
08609ffd | 1870 | Lisp_Object bus = Qnil; |
96faeb40 | 1871 | |
08609ffd MA |
1872 | /* Find bus related to fd. */ |
1873 | if (data != NULL) | |
1874 | while (!NILP (busp)) | |
1875 | { | |
b4289b64 MA |
1876 | if ((SYMBOLP (CAR_SAFE (busp)) && XSYMBOL (CAR_SAFE (busp)) == data) |
1877 | || (STRINGP (CAR_SAFE (busp)) && XSTRING (CAR_SAFE (busp)) == data)) | |
08609ffd MA |
1878 | bus = CAR_SAFE (busp); |
1879 | busp = CDR_SAFE (busp); | |
1880 | } | |
1881 | ||
1882 | if (NILP(bus)) | |
1883 | return; | |
1884 | ||
1885 | /* We ignore all Lisp errors during the call. */ | |
0c372655 | 1886 | xd_in_read_queued_messages = 1; |
08609ffd | 1887 | internal_catch (Qdbus_error, xd_read_message, bus); |
0c372655 | 1888 | xd_in_read_queued_messages = 0; |
033b73e2 MA |
1889 | } |
1890 | ||
5b83ba18 MA |
1891 | DEFUN ("dbus-register-service", Fdbus_register_service, Sdbus_register_service, |
1892 | 2, MANY, 0, | |
1893 | doc: /* Register known name SERVICE on the D-Bus BUS. | |
1894 | ||
1895 | BUS is either a Lisp symbol, `:system' or `:session', or a string | |
1896 | denoting the bus address. | |
1897 | ||
1898 | SERVICE is the D-Bus service name that should be registered. It must | |
1899 | be a known name. | |
1900 | ||
1901 | FLAGS are keywords, which control how the service name is registered. | |
1902 | The following keywords are recognized: | |
1903 | ||
1904 | `:allow-replacement': Allow another service to become the primary | |
1905 | owner if requested. | |
1906 | ||
1907 | `:replace-existing': Request to replace the current primary owner. | |
1908 | ||
1909 | `:do-not-queue': If we can not become the primary owner do not place | |
1910 | us in the queue. | |
1911 | ||
1912 | The function returns a keyword, indicating the result of the | |
1913 | operation. One of the following keywords is returned: | |
1914 | ||
1915 | `:primary-owner': Service has become the primary owner of the | |
1916 | requested name. | |
1917 | ||
1918 | `:in-queue': Service could not become the primary owner and has been | |
1919 | placed in the queue. | |
1920 | ||
1921 | `:exists': Service is already in the queue. | |
1922 | ||
1923 | `:already-owner': Service is already the primary owner. | |
1924 | ||
1925 | Example: | |
1926 | ||
1927 | \(dbus-register-service :session dbus-service-emacs) | |
1928 | ||
1929 | => :primary-owner. | |
1930 | ||
1931 | \(dbus-register-service | |
2bc92a93 MA |
1932 | :session "org.freedesktop.TextEditor" |
1933 | dbus-service-allow-replacement dbus-service-replace-existing) | |
5b83ba18 MA |
1934 | |
1935 | => :already-owner. | |
1936 | ||
1937 | usage: (dbus-register-service BUS SERVICE &rest FLAGS) */) | |
f66c7cf8 | 1938 | (ptrdiff_t nargs, Lisp_Object *args) |
5b83ba18 MA |
1939 | { |
1940 | Lisp_Object bus, service; | |
5b83ba18 | 1941 | DBusConnection *connection; |
f66c7cf8 | 1942 | ptrdiff_t i; |
5b83ba18 MA |
1943 | unsigned int value; |
1944 | unsigned int flags = 0; | |
1945 | int result; | |
1946 | DBusError derror; | |
1947 | ||
1948 | bus = args[0]; | |
1949 | service = args[1]; | |
1950 | ||
1951 | /* Check parameters. */ | |
1952 | CHECK_STRING (service); | |
1953 | ||
1954 | /* Process flags. */ | |
1955 | for (i = 2; i < nargs; ++i) { | |
1956 | value = ((EQ (args[i], QCdbus_request_name_replace_existing)) | |
1957 | ? DBUS_NAME_FLAG_REPLACE_EXISTING | |
1958 | : (EQ (args[i], QCdbus_request_name_allow_replacement)) | |
1959 | ? DBUS_NAME_FLAG_ALLOW_REPLACEMENT | |
1960 | : (EQ (args[i], QCdbus_request_name_do_not_queue)) | |
1961 | ? DBUS_NAME_FLAG_DO_NOT_QUEUE | |
1962 | : -1); | |
1963 | if (value == -1) | |
1964 | XD_SIGNAL2 (build_string ("Unrecognized name request flag"), args[i]); | |
1965 | flags |= value; | |
1966 | } | |
1967 | ||
1968 | /* Open a connection to the bus. */ | |
1969 | connection = xd_initialize (bus, TRUE); | |
1970 | ||
1971 | /* Request the known name from the bus. */ | |
1972 | dbus_error_init (&derror); | |
59d6fe83 | 1973 | result = dbus_bus_request_name (connection, SSDATA (service), flags, |
5b83ba18 MA |
1974 | &derror); |
1975 | if (dbus_error_is_set (&derror)) | |
1976 | XD_ERROR (derror); | |
1977 | ||
1978 | /* Cleanup. */ | |
1979 | dbus_error_free (&derror); | |
1980 | ||
1981 | /* Return object. */ | |
2bc92a93 MA |
1982 | switch (result) |
1983 | { | |
1984 | case DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER: | |
1985 | return QCdbus_request_name_reply_primary_owner; | |
1986 | case DBUS_REQUEST_NAME_REPLY_IN_QUEUE: | |
1987 | return QCdbus_request_name_reply_in_queue; | |
1988 | case DBUS_REQUEST_NAME_REPLY_EXISTS: | |
1989 | return QCdbus_request_name_reply_exists; | |
1990 | case DBUS_REQUEST_NAME_REPLY_ALREADY_OWNER: | |
1991 | return QCdbus_request_name_reply_already_owner; | |
1992 | default: | |
1993 | /* This should not happen. */ | |
1994 | XD_SIGNAL2 (build_string ("Could not register service"), service); | |
1995 | } | |
5b83ba18 MA |
1996 | } |
1997 | ||
033b73e2 | 1998 | DEFUN ("dbus-register-signal", Fdbus_register_signal, Sdbus_register_signal, |
944cc4a8 | 1999 | 6, MANY, 0, |
033b73e2 MA |
2000 | doc: /* Register for signal SIGNAL on the D-Bus BUS. |
2001 | ||
0c372655 MA |
2002 | BUS is either a Lisp symbol, `:system' or `:session', or a string |
2003 | denoting the bus address. | |
033b73e2 | 2004 | |
39abdd4a MA |
2005 | SERVICE is the D-Bus service name used by the sending D-Bus object. |
2006 | It can be either a known name or the unique name of the D-Bus object | |
2007 | sending the signal. When SERVICE is nil, related signals from all | |
2008 | D-Bus objects shall be accepted. | |
033b73e2 | 2009 | |
39abdd4a MA |
2010 | PATH is the D-Bus object path SERVICE is registered. It can also be |
2011 | nil if the path name of incoming signals shall not be checked. | |
033b73e2 | 2012 | |
39abdd4a MA |
2013 | INTERFACE is an interface offered by SERVICE. It must provide SIGNAL. |
2014 | HANDLER is a Lisp function to be called when the signal is received. | |
944cc4a8 MA |
2015 | It must accept as arguments the values SIGNAL is sending. |
2016 | ||
2017 | All other arguments ARGS, if specified, must be strings. They stand | |
2018 | for the respective arguments of the signal in their order, and are | |
2019 | used for filtering as well. A nil argument might be used to preserve | |
2020 | the order. | |
2021 | ||
2022 | INTERFACE, SIGNAL and HANDLER must not be nil. Example: | |
033b73e2 MA |
2023 | |
2024 | \(defun my-signal-handler (device) | |
2025 | (message "Device %s added" device)) | |
2026 | ||
2027 | \(dbus-register-signal | |
52da95fa MA |
2028 | :system "org.freedesktop.Hal" "/org/freedesktop/Hal/Manager" |
2029 | "org.freedesktop.Hal.Manager" "DeviceAdded" 'my-signal-handler) | |
033b73e2 | 2030 | |
f5306ca3 MA |
2031 | => ((:system "org.freedesktop.Hal.Manager" "DeviceAdded") |
2032 | ("org.freedesktop.Hal" "/org/freedesktop/Hal/Manager" my-signal-handler)) | |
033b73e2 MA |
2033 | |
2034 | `dbus-register-signal' returns an object, which can be used in | |
944cc4a8 MA |
2035 | `dbus-unregister-object' for removing the registration. |
2036 | ||
2037 | usage: (dbus-register-signal BUS SERVICE PATH INTERFACE SIGNAL HANDLER &rest ARGS) */) | |
f66c7cf8 | 2038 | (ptrdiff_t nargs, Lisp_Object *args) |
033b73e2 | 2039 | { |
944cc4a8 MA |
2040 | Lisp_Object bus, service, path, interface, signal, handler; |
2041 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5, gcpro6; | |
17bc8f94 | 2042 | Lisp_Object uname, key, key1, value; |
033b73e2 | 2043 | DBusConnection *connection; |
f66c7cf8 | 2044 | ptrdiff_t i; |
52da95fa | 2045 | char rule[DBUS_MAXIMUM_MATCH_RULE_LENGTH]; |
2ea16b89 | 2046 | int rulelen; |
39abdd4a | 2047 | DBusError derror; |
033b73e2 MA |
2048 | |
2049 | /* Check parameters. */ | |
944cc4a8 MA |
2050 | bus = args[0]; |
2051 | service = args[1]; | |
2052 | path = args[2]; | |
2053 | interface = args[3]; | |
2054 | signal = args[4]; | |
2055 | handler = args[5]; | |
2056 | ||
39abdd4a MA |
2057 | if (!NILP (service)) CHECK_STRING (service); |
2058 | if (!NILP (path)) CHECK_STRING (path); | |
033b73e2 | 2059 | CHECK_STRING (interface); |
52da95fa | 2060 | CHECK_STRING (signal); |
17bc8f94 | 2061 | if (!FUNCTIONP (handler)) |
b4289b64 | 2062 | wrong_type_argument (Qinvalid_function, handler); |
944cc4a8 | 2063 | GCPRO6 (bus, service, path, interface, signal, handler); |
033b73e2 | 2064 | |
52da95fa MA |
2065 | /* Retrieve unique name of service. If service is a known name, we |
2066 | will register for the corresponding unique name, if any. Signals | |
2067 | are sent always with the unique name as sender. Note: the unique | |
2068 | name of "org.freedesktop.DBus" is that string itself. */ | |
5125905e MA |
2069 | if ((STRINGP (service)) |
2070 | && (SBYTES (service) > 0) | |
59d6fe83 PE |
2071 | && (strcmp (SSDATA (service), DBUS_SERVICE_DBUS) != 0) |
2072 | && (strncmp (SSDATA (service), ":", 1) != 0)) | |
f5306ca3 MA |
2073 | { |
2074 | uname = call2 (intern ("dbus-get-name-owner"), bus, service); | |
2075 | /* When there is no unique name, we mark it with an empty | |
2076 | string. */ | |
2077 | if (NILP (uname)) | |
fff4e459 | 2078 | uname = empty_unibyte_string; |
f5306ca3 | 2079 | } |
52da95fa | 2080 | else |
f5306ca3 | 2081 | uname = service; |
52da95fa | 2082 | |
f5306ca3 MA |
2083 | /* Create a matching rule if the unique name exists (when no |
2084 | wildcard). */ | |
5125905e | 2085 | if (NILP (uname) || (SBYTES (uname) > 0)) |
f5306ca3 MA |
2086 | { |
2087 | /* Open a connection to the bus. */ | |
2536a4b7 | 2088 | connection = xd_initialize (bus, TRUE); |
033b73e2 | 2089 | |
f5306ca3 | 2090 | /* Create a rule to receive related signals. */ |
2ea16b89 PE |
2091 | rulelen = esnprintf (rule, sizeof rule, |
2092 | "type='signal',interface='%s',member='%s'", | |
2093 | SDATA (interface), | |
2094 | SDATA (signal)); | |
033b73e2 | 2095 | |
f5306ca3 MA |
2096 | /* Add unique name and path to the rule if they are non-nil. */ |
2097 | if (!NILP (uname)) | |
2ea16b89 PE |
2098 | rulelen += esnprintf (rule + rulelen, sizeof rule - rulelen, |
2099 | ",sender='%s'", SDATA (uname)); | |
39abdd4a | 2100 | |
f5306ca3 | 2101 | if (!NILP (path)) |
2ea16b89 PE |
2102 | rulelen += esnprintf (rule + rulelen, sizeof rule - rulelen, |
2103 | ",path='%s'", SDATA (path)); | |
39abdd4a | 2104 | |
944cc4a8 MA |
2105 | /* Add arguments to the rule if they are non-nil. */ |
2106 | for (i = 6; i < nargs; ++i) | |
2107 | if (!NILP (args[i])) | |
2108 | { | |
2109 | CHECK_STRING (args[i]); | |
2ea16b89 PE |
2110 | rulelen += esnprintf (rule + rulelen, sizeof rule - rulelen, |
2111 | ",arg%"pD"d='%s'", i - 6, SDATA (args[i])); | |
944cc4a8 MA |
2112 | } |
2113 | ||
2ea16b89 PE |
2114 | if (rulelen == sizeof rule - 1) |
2115 | string_overflow (); | |
2116 | ||
f5306ca3 MA |
2117 | /* Add the rule to the bus. */ |
2118 | dbus_error_init (&derror); | |
2119 | dbus_bus_add_match (connection, rule, &derror); | |
2120 | if (dbus_error_is_set (&derror)) | |
944cc4a8 MA |
2121 | { |
2122 | UNGCPRO; | |
2123 | XD_ERROR (derror); | |
2124 | } | |
033b73e2 | 2125 | |
c1d5ce94 MA |
2126 | /* Cleanup. */ |
2127 | dbus_error_free (&derror); | |
2128 | ||
f5306ca3 MA |
2129 | XD_DEBUG_MESSAGE ("Matching rule \"%s\" created", rule); |
2130 | } | |
033b73e2 | 2131 | |
39abdd4a | 2132 | /* Create a hash table entry. */ |
a31d47c7 | 2133 | key = list3 (bus, interface, signal); |
17bc8f94 | 2134 | key1 = list4 (uname, service, path, handler); |
f04bb9b2 | 2135 | value = Fgethash (key, Vdbus_registered_objects_table, Qnil); |
17bc8f94 MA |
2136 | |
2137 | if (NILP (Fmember (key1, value))) | |
f04bb9b2 | 2138 | Fputhash (key, Fcons (key1, value), Vdbus_registered_objects_table); |
17bc8f94 MA |
2139 | |
2140 | /* Return object. */ | |
944cc4a8 | 2141 | RETURN_UNGCPRO (list2 (key, list3 (service, path, handler))); |
17bc8f94 MA |
2142 | } |
2143 | ||
2144 | DEFUN ("dbus-register-method", Fdbus_register_method, Sdbus_register_method, | |
6ed843e5 | 2145 | 6, 7, 0, |
17bc8f94 MA |
2146 | doc: /* Register for method METHOD on the D-Bus BUS. |
2147 | ||
0c372655 MA |
2148 | BUS is either a Lisp symbol, `:system' or `:session', or a string |
2149 | denoting the bus address. | |
17bc8f94 MA |
2150 | |
2151 | SERVICE is the D-Bus service name of the D-Bus object METHOD is | |
6ed843e5 MA |
2152 | registered for. It must be a known name (See discussion of |
2153 | DONT-REGISTER-SERVICE below). | |
2154 | ||
2155 | PATH is the D-Bus object path SERVICE is registered (See discussion of | |
2156 | DONT-REGISTER-SERVICE below). INTERFACE is the interface offered by | |
2157 | SERVICE. It must provide METHOD. HANDLER is a Lisp function to be | |
2158 | called when a method call is received. It must accept the input | |
2159 | arguments of METHOD. The return value of HANDLER is used for | |
2160 | composing the returning D-Bus message. | |
2161 | ||
2162 | When DONT-REGISTER-SERVICE is non-nil, the known name SERVICE is not | |
2163 | registered. This means that other D-Bus clients have no way of | |
2164 | noticing the newly registered method. When interfaces are constructed | |
2165 | incrementally by adding single methods or properties at a time, | |
2166 | DONT-REGISTER-SERVICE can be use to prevent other clients from | |
2167 | discovering the still incomplete interface.*/) | |
2168 | (Lisp_Object bus, Lisp_Object service, Lisp_Object path, | |
2169 | Lisp_Object interface, Lisp_Object method, Lisp_Object handler, | |
2170 | Lisp_Object dont_register_service) | |
17bc8f94 MA |
2171 | { |
2172 | Lisp_Object key, key1, value; | |
5b83ba18 | 2173 | Lisp_Object args[2] = { bus, service }; |
17bc8f94 | 2174 | |
17bc8f94 | 2175 | /* Check parameters. */ |
17bc8f94 MA |
2176 | CHECK_STRING (service); |
2177 | CHECK_STRING (path); | |
2178 | CHECK_STRING (interface); | |
2179 | CHECK_STRING (method); | |
2180 | if (!FUNCTIONP (handler)) | |
b4289b64 | 2181 | wrong_type_argument (Qinvalid_function, handler); |
17bc8f94 MA |
2182 | /* TODO: We must check for a valid service name, otherwise there is |
2183 | a segmentation fault. */ | |
2184 | ||
5b83ba18 | 2185 | /* Request the name. */ |
2bc92a93 | 2186 | if (NILP (dont_register_service)) |
5b83ba18 | 2187 | Fdbus_register_service (2, args); |
17bc8f94 | 2188 | |
f04bb9b2 MA |
2189 | /* Create a hash table entry. We use nil for the unique name, |
2190 | because the method might be called from anybody. */ | |
17bc8f94 MA |
2191 | key = list3 (bus, interface, method); |
2192 | key1 = list4 (Qnil, service, path, handler); | |
f04bb9b2 | 2193 | value = Fgethash (key, Vdbus_registered_objects_table, Qnil); |
a31d47c7 | 2194 | |
17bc8f94 | 2195 | if (NILP (Fmember (key1, value))) |
f04bb9b2 | 2196 | Fputhash (key, Fcons (key1, value), Vdbus_registered_objects_table); |
033b73e2 | 2197 | |
f5306ca3 MA |
2198 | /* Return object. */ |
2199 | return list2 (key, list3 (service, path, handler)); | |
033b73e2 MA |
2200 | } |
2201 | ||
033b73e2 MA |
2202 | \f |
2203 | void | |
971de7fb | 2204 | syms_of_dbusbind (void) |
033b73e2 MA |
2205 | { |
2206 | ||
cd3520a4 | 2207 | DEFSYM (Qdbus_init_bus, "dbus-init-bus"); |
058ed861 MA |
2208 | defsubr (&Sdbus_init_bus); |
2209 | ||
cd3520a4 | 2210 | DEFSYM (Qdbus_close_bus, "dbus-close-bus"); |
0c372655 MA |
2211 | defsubr (&Sdbus_close_bus); |
2212 | ||
cd3520a4 | 2213 | DEFSYM (Qdbus_get_unique_name, "dbus-get-unique-name"); |
033b73e2 MA |
2214 | defsubr (&Sdbus_get_unique_name); |
2215 | ||
cd3520a4 | 2216 | DEFSYM (Qdbus_call_method, "dbus-call-method"); |
033b73e2 MA |
2217 | defsubr (&Sdbus_call_method); |
2218 | ||
cd3520a4 | 2219 | DEFSYM (Qdbus_call_method_asynchronously, "dbus-call-method-asynchronously"); |
13ecc6dc MA |
2220 | defsubr (&Sdbus_call_method_asynchronously); |
2221 | ||
cd3520a4 | 2222 | DEFSYM (Qdbus_method_return_internal, "dbus-method-return-internal"); |
8c7a4ac5 | 2223 | defsubr (&Sdbus_method_return_internal); |
abe136ee | 2224 | |
cd3520a4 | 2225 | DEFSYM (Qdbus_method_error_internal, "dbus-method-error-internal"); |
13ecc6dc MA |
2226 | defsubr (&Sdbus_method_error_internal); |
2227 | ||
cd3520a4 | 2228 | DEFSYM (Qdbus_send_signal, "dbus-send-signal"); |
033b73e2 MA |
2229 | defsubr (&Sdbus_send_signal); |
2230 | ||
cd3520a4 | 2231 | DEFSYM (Qdbus_register_service, "dbus-register-service"); |
5b83ba18 MA |
2232 | defsubr (&Sdbus_register_service); |
2233 | ||
cd3520a4 | 2234 | DEFSYM (Qdbus_register_signal, "dbus-register-signal"); |
033b73e2 MA |
2235 | defsubr (&Sdbus_register_signal); |
2236 | ||
cd3520a4 | 2237 | DEFSYM (Qdbus_register_method, "dbus-register-method"); |
17bc8f94 MA |
2238 | defsubr (&Sdbus_register_method); |
2239 | ||
cd3520a4 | 2240 | DEFSYM (Qdbus_error, "dbus-error"); |
033b73e2 MA |
2241 | Fput (Qdbus_error, Qerror_conditions, |
2242 | list2 (Qdbus_error, Qerror)); | |
2243 | Fput (Qdbus_error, Qerror_message, | |
d67b4f80 | 2244 | make_pure_c_string ("D-Bus error")); |
033b73e2 | 2245 | |
cd3520a4 JB |
2246 | DEFSYM (QCdbus_system_bus, ":system"); |
2247 | DEFSYM (QCdbus_session_bus, ":session"); | |
2248 | DEFSYM (QCdbus_request_name_allow_replacement, ":allow-replacement"); | |
2249 | DEFSYM (QCdbus_request_name_replace_existing, ":replace-existing"); | |
2250 | DEFSYM (QCdbus_request_name_do_not_queue, ":do-not-queue"); | |
2251 | DEFSYM (QCdbus_request_name_reply_primary_owner, ":primary-owner"); | |
2252 | DEFSYM (QCdbus_request_name_reply_exists, ":exists"); | |
2253 | DEFSYM (QCdbus_request_name_reply_in_queue, ":in-queue"); | |
2254 | DEFSYM (QCdbus_request_name_reply_already_owner, ":already-owner"); | |
2255 | DEFSYM (QCdbus_timeout, ":timeout"); | |
2256 | DEFSYM (QCdbus_type_byte, ":byte"); | |
2257 | DEFSYM (QCdbus_type_boolean, ":boolean"); | |
2258 | DEFSYM (QCdbus_type_int16, ":int16"); | |
2259 | DEFSYM (QCdbus_type_uint16, ":uint16"); | |
2260 | DEFSYM (QCdbus_type_int32, ":int32"); | |
2261 | DEFSYM (QCdbus_type_uint32, ":uint32"); | |
2262 | DEFSYM (QCdbus_type_int64, ":int64"); | |
2263 | DEFSYM (QCdbus_type_uint64, ":uint64"); | |
2264 | DEFSYM (QCdbus_type_double, ":double"); | |
2265 | DEFSYM (QCdbus_type_string, ":string"); | |
2266 | DEFSYM (QCdbus_type_object_path, ":object-path"); | |
2267 | DEFSYM (QCdbus_type_signature, ":signature"); | |
54371585 | 2268 | |
da1fec2b | 2269 | #ifdef DBUS_TYPE_UNIX_FD |
cd3520a4 | 2270 | DEFSYM (QCdbus_type_unix_fd, ":unix-fd"); |
da1fec2b MA |
2271 | #endif |
2272 | ||
cd3520a4 JB |
2273 | DEFSYM (QCdbus_type_array, ":array"); |
2274 | DEFSYM (QCdbus_type_variant, ":variant"); | |
2275 | DEFSYM (QCdbus_type_struct, ":struct"); | |
2276 | DEFSYM (QCdbus_type_dict_entry, ":dict-entry"); | |
54371585 | 2277 | |
0c372655 | 2278 | DEFVAR_LISP ("dbus-registered-buses", |
29208e82 | 2279 | Vdbus_registered_buses, |
0c372655 MA |
2280 | doc: /* List of D-Bus buses we are polling for messages. */); |
2281 | Vdbus_registered_buses = Qnil; | |
2282 | ||
f04bb9b2 | 2283 | DEFVAR_LISP ("dbus-registered-objects-table", |
29208e82 | 2284 | Vdbus_registered_objects_table, |
39abdd4a | 2285 | doc: /* Hash table of registered functions for D-Bus. |
0c372655 | 2286 | |
f04bb9b2 MA |
2287 | There are two different uses of the hash table: for accessing |
2288 | registered interfaces properties, targeted by signals or method calls, | |
2289 | and for calling handlers in case of non-blocking method call returns. | |
13ecc6dc MA |
2290 | |
2291 | In the first case, the key in the hash table is the list (BUS | |
0c372655 MA |
2292 | INTERFACE MEMBER). BUS is either a Lisp symbol, `:system' or |
2293 | `:session', or a string denoting the bus address. INTERFACE is a | |
2294 | string which denotes a D-Bus interface, and MEMBER, also a string, is | |
2295 | either a method, a signal or a property INTERFACE is offering. All | |
2296 | arguments but BUS must not be nil. | |
a31d47c7 | 2297 | |
f5306ca3 | 2298 | The value in the hash table is a list of quadruple lists |
f04bb9b2 | 2299 | \((UNAME SERVICE PATH OBJECT) (UNAME SERVICE PATH OBJECT) ...). |
a31d47c7 | 2300 | SERVICE is the service name as registered, UNAME is the corresponding |
f04bb9b2 MA |
2301 | unique name. In case of registered methods and properties, UNAME is |
2302 | nil. PATH is the object path of the sending object. All of them can | |
2303 | be nil, which means a wildcard then. OBJECT is either the handler to | |
2304 | be called when a D-Bus message, which matches the key criteria, | |
2305 | arrives (methods and signals), or a cons cell containing the value of | |
2306 | the property. | |
13ecc6dc | 2307 | |
0c372655 MA |
2308 | In the second case, the key in the hash table is the list (BUS |
2309 | SERIAL). BUS is either a Lisp symbol, `:system' or `:session', or a | |
2310 | string denoting the bus address. SERIAL is the serial number of the | |
2311 | non-blocking method call, a reply is expected. Both arguments must | |
2312 | not be nil. The value in the hash table is HANDLER, the function to | |
2313 | be called when the D-Bus reply message arrives. */); | |
2314 | { | |
2315 | Lisp_Object args[2]; | |
2316 | args[0] = QCtest; | |
2317 | args[1] = Qequal; | |
2318 | Vdbus_registered_objects_table = Fmake_hash_table (2, args); | |
2319 | } | |
033b73e2 | 2320 | |
29208e82 | 2321 | DEFVAR_LISP ("dbus-debug", Vdbus_debug, |
39abdd4a | 2322 | doc: /* If non-nil, debug messages of D-Bus bindings are raised. */); |
033b73e2 MA |
2323 | #ifdef DBUS_DEBUG |
2324 | Vdbus_debug = Qt; | |
a79b0f28 MA |
2325 | /* We can also set environment variable DBUS_VERBOSE=1 in order to |
2326 | see more traces. This requires libdbus-1 to be configured with | |
2327 | --enable-verbose-mode. */ | |
033b73e2 MA |
2328 | #else |
2329 | Vdbus_debug = Qnil; | |
2330 | #endif | |
2331 | ||
d67b4f80 | 2332 | Fprovide (intern_c_string ("dbusbind"), Qnil); |
033b73e2 MA |
2333 | |
2334 | } | |
2335 | ||
2336 | #endif /* HAVE_DBUS */ |