Commit | Line | Data |
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033b73e2 | 1 | /* Elisp bindings for D-Bus. |
ab422c4d | 2 | Copyright (C) 2007-2013 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> |
0328b6de | 24 | |
033b73e2 MA |
25 | #include "lisp.h" |
26 | #include "frame.h" | |
27 | #include "termhooks.h" | |
28 | #include "keyboard.h" | |
3fad2ad2 | 29 | #include "process.h" |
033b73e2 | 30 | |
dcbf5805 MA |
31 | #ifndef DBUS_NUM_MESSAGE_TYPES |
32 | #define DBUS_NUM_MESSAGE_TYPES 5 | |
33 | #endif | |
34 | ||
9520f2f2 DC |
35 | |
36 | /* Some platforms define the symbol "interface", but we want to use it | |
37 | * as a variable name below. */ | |
38 | ||
3e0341b0 DC |
39 | #ifdef interface |
40 | #undef interface | |
41 | #endif | |
42 | ||
033b73e2 MA |
43 | \f |
44 | /* Subroutines. */ | |
955cbe7b | 45 | static Lisp_Object Qdbus_init_bus; |
955cbe7b | 46 | static Lisp_Object Qdbus_get_unique_name; |
dcbf5805 | 47 | static Lisp_Object Qdbus_message_internal; |
033b73e2 MA |
48 | |
49 | /* D-Bus error symbol. */ | |
955cbe7b | 50 | static Lisp_Object Qdbus_error; |
033b73e2 MA |
51 | |
52 | /* Lisp symbols of the system and session buses. */ | |
955cbe7b | 53 | static Lisp_Object QCdbus_system_bus, QCdbus_session_bus; |
033b73e2 | 54 | |
90b3fc84 | 55 | /* Lisp symbol for method call timeout. */ |
955cbe7b | 56 | static Lisp_Object QCdbus_timeout; |
90b3fc84 | 57 | |
54371585 | 58 | /* Lisp symbols of D-Bus types. */ |
955cbe7b PE |
59 | static Lisp_Object QCdbus_type_byte, QCdbus_type_boolean; |
60 | static Lisp_Object QCdbus_type_int16, QCdbus_type_uint16; | |
61 | static Lisp_Object QCdbus_type_int32, QCdbus_type_uint32; | |
62 | static Lisp_Object QCdbus_type_int64, QCdbus_type_uint64; | |
63 | static Lisp_Object QCdbus_type_double, QCdbus_type_string; | |
64 | static Lisp_Object QCdbus_type_object_path, QCdbus_type_signature; | |
da1fec2b | 65 | #ifdef DBUS_TYPE_UNIX_FD |
b4289b64 | 66 | static Lisp_Object QCdbus_type_unix_fd; |
da1fec2b | 67 | #endif |
955cbe7b PE |
68 | static Lisp_Object QCdbus_type_array, QCdbus_type_variant; |
69 | static Lisp_Object QCdbus_type_struct, QCdbus_type_dict_entry; | |
54371585 | 70 | |
dcbf5805 MA |
71 | /* Lisp symbols of objects in `dbus-registered-objects-table'. */ |
72 | static Lisp_Object QCdbus_registered_serial, QCdbus_registered_method; | |
73 | static Lisp_Object QCdbus_registered_signal; | |
74 | ||
5cb67954 MA |
75 | /* Alist of D-Bus buses we are polling for messages. |
76 | The key is the symbol or string of the bus, and the value is the | |
77 | connection address. */ | |
78 | static Lisp_Object xd_registered_buses; | |
79 | ||
1dae9197 | 80 | /* Whether we are reading a D-Bus event. */ |
de1339b0 | 81 | static bool xd_in_read_queued_messages = 0; |
1dae9197 | 82 | |
033b73e2 MA |
83 | \f |
84 | /* We use "xd_" and "XD_" as prefix for all internal symbols, because | |
85 | we don't want to poison other namespaces with "dbus_". */ | |
86 | ||
1dae9197 MA |
87 | /* Raise a signal. If we are reading events, we cannot signal; we |
88 | throw to xd_read_queued_messages then. */ | |
89 | #define XD_SIGNAL1(arg) \ | |
90 | do { \ | |
91 | if (xd_in_read_queued_messages) \ | |
92 | Fthrow (Qdbus_error, Qnil); \ | |
93 | else \ | |
94 | xsignal1 (Qdbus_error, arg); \ | |
95 | } while (0) | |
96 | ||
97 | #define XD_SIGNAL2(arg1, arg2) \ | |
98 | do { \ | |
99 | if (xd_in_read_queued_messages) \ | |
100 | Fthrow (Qdbus_error, Qnil); \ | |
101 | else \ | |
102 | xsignal2 (Qdbus_error, arg1, arg2); \ | |
103 | } while (0) | |
104 | ||
105 | #define XD_SIGNAL3(arg1, arg2, arg3) \ | |
106 | do { \ | |
107 | if (xd_in_read_queued_messages) \ | |
108 | Fthrow (Qdbus_error, Qnil); \ | |
109 | else \ | |
110 | xsignal3 (Qdbus_error, arg1, arg2, arg3); \ | |
111 | } while (0) | |
112 | ||
54371585 | 113 | /* Raise a Lisp error from a D-Bus ERROR. */ |
033b73e2 | 114 | #define XD_ERROR(error) \ |
17bc8f94 | 115 | do { \ |
033b73e2 | 116 | /* Remove the trailing newline. */ \ |
573f4b54 PE |
117 | char const *mess = error.message; \ |
118 | char const *nl = strchr (mess, '\n'); \ | |
119 | Lisp_Object err = make_string (mess, nl ? nl - mess : strlen (mess)); \ | |
120 | dbus_error_free (&error); \ | |
121 | XD_SIGNAL1 (err); \ | |
17bc8f94 | 122 | } while (0) |
033b73e2 MA |
123 | |
124 | /* Macros for debugging. In order to enable them, build with | |
dcbf5805 | 125 | "env MYCPPFLAGS='-DDBUS_DEBUG -Wall' make". */ |
033b73e2 | 126 | #ifdef DBUS_DEBUG |
9a4b36f8 MA |
127 | #define XD_DEBUG_MESSAGE(...) \ |
128 | do { \ | |
129 | char s[1024]; \ | |
130 | snprintf (s, sizeof s, __VA_ARGS__); \ | |
131 | if (!noninteractive) \ | |
132 | printf ("%s: %s\n", __func__, s); \ | |
133 | message ("%s: %s", __func__, s); \ | |
17bc8f94 | 134 | } while (0) |
033b73e2 | 135 | #define XD_DEBUG_VALID_LISP_OBJECT_P(object) \ |
17bc8f94 MA |
136 | do { \ |
137 | if (!valid_lisp_object_p (object)) \ | |
138 | { \ | |
139 | XD_DEBUG_MESSAGE ("%d Assertion failure", __LINE__); \ | |
1dae9197 | 140 | XD_SIGNAL1 (build_string ("Assertion failure")); \ |
17bc8f94 MA |
141 | } \ |
142 | } while (0) | |
033b73e2 MA |
143 | |
144 | #else /* !DBUS_DEBUG */ | |
29abe551 PE |
145 | # if __STDC_VERSION__ < 199901 |
146 | # define XD_DEBUG_MESSAGE (void) /* Pre-C99 compilers cannot debug. */ | |
147 | # else | |
148 | # define XD_DEBUG_MESSAGE(...) \ | |
17bc8f94 MA |
149 | do { \ |
150 | if (!NILP (Vdbus_debug)) \ | |
151 | { \ | |
152 | char s[1024]; \ | |
dcbf5805 | 153 | snprintf (s, sizeof s, __VA_ARGS__); \ |
17bc8f94 | 154 | message ("%s: %s", __func__, s); \ |
80f9d13b | 155 | } \ |
17bc8f94 | 156 | } while (0) |
29abe551 PE |
157 | # endif |
158 | # define XD_DEBUG_VALID_LISP_OBJECT_P(object) | |
033b73e2 MA |
159 | #endif |
160 | ||
87cf1a39 | 161 | /* Check whether TYPE is a basic DBusType. */ |
ff88beb8 MA |
162 | #ifdef HAVE_DBUS_TYPE_IS_VALID |
163 | #define XD_BASIC_DBUS_TYPE(type) \ | |
164 | (dbus_type_is_valid (type) && dbus_type_is_basic (type)) | |
165 | #else | |
da1fec2b MA |
166 | #ifdef DBUS_TYPE_UNIX_FD |
167 | #define XD_BASIC_DBUS_TYPE(type) \ | |
168 | ((type == DBUS_TYPE_BYTE) \ | |
169 | || (type == DBUS_TYPE_BOOLEAN) \ | |
170 | || (type == DBUS_TYPE_INT16) \ | |
171 | || (type == DBUS_TYPE_UINT16) \ | |
172 | || (type == DBUS_TYPE_INT32) \ | |
173 | || (type == DBUS_TYPE_UINT32) \ | |
174 | || (type == DBUS_TYPE_INT64) \ | |
175 | || (type == DBUS_TYPE_UINT64) \ | |
176 | || (type == DBUS_TYPE_DOUBLE) \ | |
177 | || (type == DBUS_TYPE_STRING) \ | |
178 | || (type == DBUS_TYPE_OBJECT_PATH) \ | |
01768686 | 179 | || (type == DBUS_TYPE_SIGNATURE) \ |
da1fec2b MA |
180 | || (type == DBUS_TYPE_UNIX_FD)) |
181 | #else | |
87cf1a39 MA |
182 | #define XD_BASIC_DBUS_TYPE(type) \ |
183 | ((type == DBUS_TYPE_BYTE) \ | |
184 | || (type == DBUS_TYPE_BOOLEAN) \ | |
185 | || (type == DBUS_TYPE_INT16) \ | |
186 | || (type == DBUS_TYPE_UINT16) \ | |
187 | || (type == DBUS_TYPE_INT32) \ | |
188 | || (type == DBUS_TYPE_UINT32) \ | |
189 | || (type == DBUS_TYPE_INT64) \ | |
190 | || (type == DBUS_TYPE_UINT64) \ | |
191 | || (type == DBUS_TYPE_DOUBLE) \ | |
192 | || (type == DBUS_TYPE_STRING) \ | |
193 | || (type == DBUS_TYPE_OBJECT_PATH) \ | |
194 | || (type == DBUS_TYPE_SIGNATURE)) | |
da1fec2b | 195 | #endif |
ff88beb8 | 196 | #endif |
87cf1a39 | 197 | |
78c38319 | 198 | /* This was a macro. On Solaris 2.11 it was said to compile for |
e1dbe924 | 199 | hours, when optimization is enabled. So we have transferred it into |
78c38319 | 200 | a function. */ |
54371585 MA |
201 | /* Determine the DBusType of a given Lisp symbol. OBJECT must be one |
202 | of the predefined D-Bus type symbols. */ | |
78c38319 | 203 | static int |
971de7fb | 204 | xd_symbol_to_dbus_type (Lisp_Object object) |
78c38319 MA |
205 | { |
206 | return | |
207 | ((EQ (object, QCdbus_type_byte)) ? DBUS_TYPE_BYTE | |
208 | : (EQ (object, QCdbus_type_boolean)) ? DBUS_TYPE_BOOLEAN | |
209 | : (EQ (object, QCdbus_type_int16)) ? DBUS_TYPE_INT16 | |
210 | : (EQ (object, QCdbus_type_uint16)) ? DBUS_TYPE_UINT16 | |
211 | : (EQ (object, QCdbus_type_int32)) ? DBUS_TYPE_INT32 | |
212 | : (EQ (object, QCdbus_type_uint32)) ? DBUS_TYPE_UINT32 | |
213 | : (EQ (object, QCdbus_type_int64)) ? DBUS_TYPE_INT64 | |
214 | : (EQ (object, QCdbus_type_uint64)) ? DBUS_TYPE_UINT64 | |
215 | : (EQ (object, QCdbus_type_double)) ? DBUS_TYPE_DOUBLE | |
216 | : (EQ (object, QCdbus_type_string)) ? DBUS_TYPE_STRING | |
217 | : (EQ (object, QCdbus_type_object_path)) ? DBUS_TYPE_OBJECT_PATH | |
218 | : (EQ (object, QCdbus_type_signature)) ? DBUS_TYPE_SIGNATURE | |
da1fec2b MA |
219 | #ifdef DBUS_TYPE_UNIX_FD |
220 | : (EQ (object, QCdbus_type_unix_fd)) ? DBUS_TYPE_UNIX_FD | |
221 | #endif | |
78c38319 MA |
222 | : (EQ (object, QCdbus_type_array)) ? DBUS_TYPE_ARRAY |
223 | : (EQ (object, QCdbus_type_variant)) ? DBUS_TYPE_VARIANT | |
224 | : (EQ (object, QCdbus_type_struct)) ? DBUS_TYPE_STRUCT | |
225 | : (EQ (object, QCdbus_type_dict_entry)) ? DBUS_TYPE_DICT_ENTRY | |
226 | : DBUS_TYPE_INVALID); | |
227 | } | |
87cf1a39 MA |
228 | |
229 | /* Check whether a Lisp symbol is a predefined D-Bus type symbol. */ | |
230 | #define XD_DBUS_TYPE_P(object) \ | |
78c38319 | 231 | (SYMBOLP (object) && ((xd_symbol_to_dbus_type (object) != DBUS_TYPE_INVALID))) |
54371585 MA |
232 | |
233 | /* Determine the DBusType of a given Lisp OBJECT. It is used to | |
033b73e2 MA |
234 | convert Lisp objects, being arguments of `dbus-call-method' or |
235 | `dbus-send-signal', into corresponding C values appended as | |
236 | arguments to a D-Bus message. */ | |
87cf1a39 MA |
237 | #define XD_OBJECT_TO_DBUS_TYPE(object) \ |
238 | ((EQ (object, Qt) || EQ (object, Qnil)) ? DBUS_TYPE_BOOLEAN \ | |
239 | : (NATNUMP (object)) ? DBUS_TYPE_UINT32 \ | |
240 | : (INTEGERP (object)) ? DBUS_TYPE_INT32 \ | |
241 | : (FLOATP (object)) ? DBUS_TYPE_DOUBLE \ | |
242 | : (STRINGP (object)) ? DBUS_TYPE_STRING \ | |
78c38319 | 243 | : (XD_DBUS_TYPE_P (object)) ? xd_symbol_to_dbus_type (object) \ |
07a4cb03 MA |
244 | : (CONSP (object)) \ |
245 | ? ((XD_DBUS_TYPE_P (CAR_SAFE (object))) \ | |
78c38319 | 246 | ? ((XD_BASIC_DBUS_TYPE (xd_symbol_to_dbus_type (CAR_SAFE (object)))) \ |
07a4cb03 | 247 | ? DBUS_TYPE_ARRAY \ |
78c38319 | 248 | : xd_symbol_to_dbus_type (CAR_SAFE (object))) \ |
07a4cb03 | 249 | : DBUS_TYPE_ARRAY) \ |
87cf1a39 MA |
250 | : DBUS_TYPE_INVALID) |
251 | ||
252 | /* Return a list pointer which does not have a Lisp symbol as car. */ | |
a8e72f4f | 253 | #define XD_NEXT_VALUE(object) \ |
5125905e | 254 | ((XD_DBUS_TYPE_P (CAR_SAFE (object))) ? CDR_SAFE (object) : object) |
87cf1a39 | 255 | |
dcbf5805 MA |
256 | /* Transform the message type to its string representation for debug |
257 | messages. */ | |
258 | #define XD_MESSAGE_TYPE_TO_STRING(mtype) \ | |
259 | ((mtype == DBUS_MESSAGE_TYPE_INVALID) \ | |
260 | ? "DBUS_MESSAGE_TYPE_INVALID" \ | |
261 | : (mtype == DBUS_MESSAGE_TYPE_METHOD_CALL) \ | |
262 | ? "DBUS_MESSAGE_TYPE_METHOD_CALL" \ | |
263 | : (mtype == DBUS_MESSAGE_TYPE_METHOD_RETURN) \ | |
264 | ? "DBUS_MESSAGE_TYPE_METHOD_RETURN" \ | |
265 | : (mtype == DBUS_MESSAGE_TYPE_ERROR) \ | |
266 | ? "DBUS_MESSAGE_TYPE_ERROR" \ | |
267 | : "DBUS_MESSAGE_TYPE_SIGNAL") | |
268 | ||
269 | /* Transform the object to its string representation for debug | |
270 | messages. */ | |
271 | #define XD_OBJECT_TO_STRING(object) \ | |
272 | SDATA (format2 ("%s", object, Qnil)) | |
273 | ||
dcbf5805 MA |
274 | #define XD_DBUS_VALIDATE_BUS_ADDRESS(bus) \ |
275 | do { \ | |
e518bc71 | 276 | char const *session_bus_address = getenv ("DBUS_SESSION_BUS_ADDRESS"); \ |
dcbf5805 MA |
277 | if (STRINGP (bus)) \ |
278 | { \ | |
279 | DBusAddressEntry **entries; \ | |
280 | int len; \ | |
281 | DBusError derror; \ | |
282 | dbus_error_init (&derror); \ | |
283 | if (!dbus_parse_address (SSDATA (bus), &entries, &len, &derror)) \ | |
284 | XD_ERROR (derror); \ | |
285 | /* Cleanup. */ \ | |
286 | dbus_error_free (&derror); \ | |
287 | dbus_address_entries_free (entries); \ | |
e518bc71 | 288 | /* Canonicalize session bus address. */ \ |
1e4be88c MA |
289 | if ((session_bus_address != NULL) \ |
290 | && (!NILP (Fstring_equal \ | |
291 | (bus, build_string (session_bus_address))))) \ | |
e518bc71 | 292 | bus = QCdbus_session_bus; \ |
dcbf5805 MA |
293 | } \ |
294 | \ | |
295 | else \ | |
296 | { \ | |
297 | CHECK_SYMBOL (bus); \ | |
298 | if (!(EQ (bus, QCdbus_system_bus) || EQ (bus, QCdbus_session_bus))) \ | |
299 | XD_SIGNAL2 (build_string ("Wrong bus name"), bus); \ | |
300 | /* We do not want to have an autolaunch for the session bus. */ \ | |
e518bc71 | 301 | if (EQ (bus, QCdbus_session_bus) && session_bus_address == NULL) \ |
dcbf5805 MA |
302 | XD_SIGNAL2 (build_string ("No connection to bus"), bus); \ |
303 | } \ | |
304 | } while (0) | |
305 | ||
220cb2bd MA |
306 | #if (HAVE_DBUS_VALIDATE_BUS_NAME || HAVE_DBUS_VALIDATE_PATH \ |
307 | || HAVE_DBUS_VALIDATE_INTERFACE || HAVE_DBUS_VALIDATE_MEMBER) | |
dcbf5805 MA |
308 | #define XD_DBUS_VALIDATE_OBJECT(object, func) \ |
309 | do { \ | |
310 | if (!NILP (object)) \ | |
311 | { \ | |
312 | DBusError derror; \ | |
313 | CHECK_STRING (object); \ | |
314 | dbus_error_init (&derror); \ | |
315 | if (!func (SSDATA (object), &derror)) \ | |
316 | XD_ERROR (derror); \ | |
317 | /* Cleanup. */ \ | |
318 | dbus_error_free (&derror); \ | |
319 | } \ | |
320 | } while (0) | |
de85e130 | 321 | #endif |
dcbf5805 MA |
322 | |
323 | #if HAVE_DBUS_VALIDATE_BUS_NAME | |
324 | #define XD_DBUS_VALIDATE_BUS_NAME(bus_name) \ | |
325 | XD_DBUS_VALIDATE_OBJECT(bus_name, dbus_validate_bus_name); | |
326 | #else | |
327 | #define XD_DBUS_VALIDATE_BUS_NAME(bus_name) \ | |
328 | if (!NILP (bus_name)) CHECK_STRING (bus_name); | |
329 | #endif | |
330 | ||
331 | #if HAVE_DBUS_VALIDATE_PATH | |
332 | #define XD_DBUS_VALIDATE_PATH(path) \ | |
333 | XD_DBUS_VALIDATE_OBJECT(path, dbus_validate_path); | |
334 | #else | |
335 | #define XD_DBUS_VALIDATE_PATH(path) \ | |
336 | if (!NILP (path)) CHECK_STRING (path); | |
337 | #endif | |
338 | ||
339 | #if HAVE_DBUS_VALIDATE_INTERFACE | |
340 | #define XD_DBUS_VALIDATE_INTERFACE(interface) \ | |
341 | XD_DBUS_VALIDATE_OBJECT(interface, dbus_validate_interface); | |
342 | #else | |
343 | #define XD_DBUS_VALIDATE_INTERFACE(interface) \ | |
344 | if (!NILP (interface)) CHECK_STRING (interface); | |
345 | #endif | |
346 | ||
347 | #if HAVE_DBUS_VALIDATE_MEMBER | |
348 | #define XD_DBUS_VALIDATE_MEMBER(member) \ | |
349 | XD_DBUS_VALIDATE_OBJECT(member, dbus_validate_member); | |
350 | #else | |
351 | #define XD_DBUS_VALIDATE_MEMBER(member) \ | |
352 | if (!NILP (member)) CHECK_STRING (member); | |
353 | #endif | |
08686060 | 354 | |
e936e76e | 355 | /* Append to SIGNATURE a copy of X, making sure SIGNATURE does |
2be7d702 PE |
356 | not become too long. */ |
357 | static void | |
ecfc0a49 | 358 | xd_signature_cat (char *signature, char const *x) |
2be7d702 PE |
359 | { |
360 | ptrdiff_t siglen = strlen (signature); | |
361 | ptrdiff_t xlen = strlen (x); | |
362 | if (DBUS_MAXIMUM_SIGNATURE_LENGTH - xlen <= siglen) | |
363 | string_overflow (); | |
364 | strcat (signature, x); | |
365 | } | |
366 | ||
87cf1a39 MA |
367 | /* Compute SIGNATURE of OBJECT. It must have a form that it can be |
368 | used in dbus_message_iter_open_container. DTYPE is the DBusType | |
369 | the object is related to. It is passed as argument, because it | |
370 | cannot be detected in basic type objects, when they are preceded by | |
371 | a type symbol. PARENT_TYPE is the DBusType of a container this | |
372 | signature is embedded, or DBUS_TYPE_INVALID. It is needed for the | |
373 | check that DBUS_TYPE_DICT_ENTRY occurs only as array element. */ | |
78c38319 | 374 | static void |
243e0530 | 375 | xd_signature (char *signature, int dtype, int parent_type, Lisp_Object object) |
033b73e2 | 376 | { |
243e0530 | 377 | int subtype; |
87cf1a39 | 378 | Lisp_Object elt; |
2ea16b89 | 379 | char const *subsig; |
8666506e | 380 | int subsiglen; |
87cf1a39 MA |
381 | char x[DBUS_MAXIMUM_SIGNATURE_LENGTH]; |
382 | ||
383 | elt = object; | |
033b73e2 | 384 | |
033b73e2 MA |
385 | switch (dtype) |
386 | { | |
54371585 MA |
387 | case DBUS_TYPE_BYTE: |
388 | case DBUS_TYPE_UINT16: | |
54371585 | 389 | CHECK_NATNUM (object); |
87cf1a39 | 390 | sprintf (signature, "%c", dtype); |
54371585 | 391 | break; |
87cf1a39 | 392 | |
54371585 MA |
393 | case DBUS_TYPE_BOOLEAN: |
394 | if (!EQ (object, Qt) && !EQ (object, Qnil)) | |
395 | wrong_type_argument (intern ("booleanp"), object); | |
87cf1a39 | 396 | sprintf (signature, "%c", dtype); |
54371585 | 397 | break; |
87cf1a39 | 398 | |
54371585 | 399 | case DBUS_TYPE_INT16: |
54371585 | 400 | CHECK_NUMBER (object); |
87cf1a39 | 401 | sprintf (signature, "%c", dtype); |
54371585 | 402 | break; |
87cf1a39 | 403 | |
dcbf5805 MA |
404 | case DBUS_TYPE_UINT32: |
405 | case DBUS_TYPE_UINT64: | |
406 | #ifdef DBUS_TYPE_UNIX_FD | |
407 | case DBUS_TYPE_UNIX_FD: | |
408 | #endif | |
409 | case DBUS_TYPE_INT32: | |
410 | case DBUS_TYPE_INT64: | |
033b73e2 | 411 | case DBUS_TYPE_DOUBLE: |
dcbf5805 | 412 | CHECK_NUMBER_OR_FLOAT (object); |
87cf1a39 | 413 | sprintf (signature, "%c", dtype); |
54371585 | 414 | break; |
87cf1a39 | 415 | |
033b73e2 | 416 | case DBUS_TYPE_STRING: |
54371585 MA |
417 | case DBUS_TYPE_OBJECT_PATH: |
418 | case DBUS_TYPE_SIGNATURE: | |
419 | CHECK_STRING (object); | |
87cf1a39 | 420 | sprintf (signature, "%c", dtype); |
54371585 | 421 | break; |
87cf1a39 | 422 | |
54371585 | 423 | case DBUS_TYPE_ARRAY: |
9af5078b | 424 | /* Check that all list elements have the same D-Bus type. For |
87cf1a39 MA |
425 | complex element types, we just check the container type, not |
426 | the whole element's signature. */ | |
54371585 | 427 | CHECK_CONS (object); |
87cf1a39 | 428 | |
5125905e MA |
429 | /* Type symbol is optional. */ |
430 | if (EQ (QCdbus_type_array, CAR_SAFE (elt))) | |
87cf1a39 | 431 | elt = XD_NEXT_VALUE (elt); |
5125905e MA |
432 | |
433 | /* If the array is empty, DBUS_TYPE_STRING is the default | |
434 | element type. */ | |
435 | if (NILP (elt)) | |
436 | { | |
437 | subtype = DBUS_TYPE_STRING; | |
2ea16b89 | 438 | subsig = DBUS_TYPE_STRING_AS_STRING; |
5125905e MA |
439 | } |
440 | else | |
441 | { | |
442 | subtype = XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (elt)); | |
443 | xd_signature (x, subtype, dtype, CAR_SAFE (XD_NEXT_VALUE (elt))); | |
2ea16b89 | 444 | subsig = x; |
5125905e MA |
445 | } |
446 | ||
447 | /* If the element type is DBUS_TYPE_SIGNATURE, and this is the | |
dcbf5805 MA |
448 | only element, the value of this element is used as the |
449 | array's element signature. */ | |
5125905e MA |
450 | if ((subtype == DBUS_TYPE_SIGNATURE) |
451 | && STRINGP (CAR_SAFE (XD_NEXT_VALUE (elt))) | |
452 | && NILP (CDR_SAFE (XD_NEXT_VALUE (elt)))) | |
2ea16b89 | 453 | subsig = SSDATA (CAR_SAFE (XD_NEXT_VALUE (elt))); |
87cf1a39 MA |
454 | |
455 | while (!NILP (elt)) | |
456 | { | |
5125905e MA |
457 | if (subtype != XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (elt))) |
458 | wrong_type_argument (intern ("D-Bus"), CAR_SAFE (elt)); | |
459 | elt = CDR_SAFE (XD_NEXT_VALUE (elt)); | |
87cf1a39 MA |
460 | } |
461 | ||
8666506e PE |
462 | subsiglen = snprintf (signature, DBUS_MAXIMUM_SIGNATURE_LENGTH, |
463 | "%c%s", dtype, subsig); | |
464 | if (! (0 <= subsiglen && subsiglen < DBUS_MAXIMUM_SIGNATURE_LENGTH)) | |
2ea16b89 | 465 | string_overflow (); |
54371585 | 466 | break; |
87cf1a39 | 467 | |
54371585 | 468 | case DBUS_TYPE_VARIANT: |
9af5078b | 469 | /* Check that there is exactly one list element. */ |
54371585 | 470 | CHECK_CONS (object); |
87cf1a39 MA |
471 | |
472 | elt = XD_NEXT_VALUE (elt); | |
5125905e MA |
473 | subtype = XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (elt)); |
474 | xd_signature (x, subtype, dtype, CAR_SAFE (XD_NEXT_VALUE (elt))); | |
87cf1a39 | 475 | |
5125905e | 476 | if (!NILP (CDR_SAFE (XD_NEXT_VALUE (elt)))) |
87cf1a39 | 477 | wrong_type_argument (intern ("D-Bus"), |
5125905e | 478 | CAR_SAFE (CDR_SAFE (XD_NEXT_VALUE (elt)))); |
87cf1a39 | 479 | |
a271e124 | 480 | sprintf (signature, "%c", dtype); |
54371585 | 481 | break; |
87cf1a39 | 482 | |
54371585 | 483 | case DBUS_TYPE_STRUCT: |
9af5078b MA |
484 | /* A struct list might contain any number of elements with |
485 | different types. No further check needed. */ | |
87cf1a39 MA |
486 | CHECK_CONS (object); |
487 | ||
488 | elt = XD_NEXT_VALUE (elt); | |
489 | ||
490 | /* Compose the signature from the elements. It is enclosed by | |
491 | parentheses. */ | |
492 | sprintf (signature, "%c", DBUS_STRUCT_BEGIN_CHAR ); | |
493 | while (!NILP (elt)) | |
494 | { | |
5125905e MA |
495 | subtype = XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (elt)); |
496 | xd_signature (x, subtype, dtype, CAR_SAFE (XD_NEXT_VALUE (elt))); | |
ecfc0a49 | 497 | xd_signature_cat (signature, x); |
5125905e | 498 | elt = CDR_SAFE (XD_NEXT_VALUE (elt)); |
87cf1a39 | 499 | } |
ecfc0a49 | 500 | xd_signature_cat (signature, DBUS_STRUCT_END_CHAR_AS_STRING); |
54371585 | 501 | break; |
54371585 | 502 | |
87cf1a39 | 503 | case DBUS_TYPE_DICT_ENTRY: |
9af5078b MA |
504 | /* Check that there are exactly two list elements, and the first |
505 | one is of basic type. The dictionary entry itself must be an | |
506 | element of an array. */ | |
87cf1a39 | 507 | CHECK_CONS (object); |
54371585 | 508 | |
9af5078b | 509 | /* Check the parent object type. */ |
87cf1a39 MA |
510 | if (parent_type != DBUS_TYPE_ARRAY) |
511 | wrong_type_argument (intern ("D-Bus"), object); | |
54371585 | 512 | |
87cf1a39 MA |
513 | /* Compose the signature from the elements. It is enclosed by |
514 | curly braces. */ | |
515 | sprintf (signature, "%c", DBUS_DICT_ENTRY_BEGIN_CHAR); | |
54371585 | 516 | |
87cf1a39 MA |
517 | /* First element. */ |
518 | elt = XD_NEXT_VALUE (elt); | |
5125905e MA |
519 | subtype = XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (elt)); |
520 | xd_signature (x, subtype, dtype, CAR_SAFE (XD_NEXT_VALUE (elt))); | |
ecfc0a49 | 521 | xd_signature_cat (signature, x); |
54371585 | 522 | |
87cf1a39 | 523 | if (!XD_BASIC_DBUS_TYPE (subtype)) |
5125905e | 524 | wrong_type_argument (intern ("D-Bus"), CAR_SAFE (XD_NEXT_VALUE (elt))); |
54371585 | 525 | |
87cf1a39 | 526 | /* Second element. */ |
5125905e MA |
527 | elt = CDR_SAFE (XD_NEXT_VALUE (elt)); |
528 | subtype = XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (elt)); | |
529 | xd_signature (x, subtype, dtype, CAR_SAFE (XD_NEXT_VALUE (elt))); | |
ecfc0a49 | 530 | xd_signature_cat (signature, x); |
54371585 | 531 | |
5125905e | 532 | if (!NILP (CDR_SAFE (XD_NEXT_VALUE (elt)))) |
87cf1a39 | 533 | wrong_type_argument (intern ("D-Bus"), |
5125905e | 534 | CAR_SAFE (CDR_SAFE (XD_NEXT_VALUE (elt)))); |
54371585 | 535 | |
87cf1a39 | 536 | /* Closing signature. */ |
ecfc0a49 | 537 | xd_signature_cat (signature, DBUS_DICT_ENTRY_END_CHAR_AS_STRING); |
87cf1a39 | 538 | break; |
54371585 | 539 | |
87cf1a39 MA |
540 | default: |
541 | wrong_type_argument (intern ("D-Bus"), object); | |
54371585 MA |
542 | } |
543 | ||
87cf1a39 MA |
544 | XD_DEBUG_MESSAGE ("%s", signature); |
545 | } | |
54371585 | 546 | |
42b2a986 PE |
547 | /* Convert X to a signed integer with bounds LO and HI. */ |
548 | static intmax_t | |
ff88beb8 | 549 | xd_extract_signed (Lisp_Object x, intmax_t lo, intmax_t hi) |
42b2a986 PE |
550 | { |
551 | CHECK_NUMBER_OR_FLOAT (x); | |
552 | if (INTEGERP (x)) | |
553 | { | |
554 | if (lo <= XINT (x) && XINT (x) <= hi) | |
555 | return XINT (x); | |
556 | } | |
557 | else | |
558 | { | |
559 | double d = XFLOAT_DATA (x); | |
560 | if (lo <= d && d <= hi) | |
561 | { | |
562 | intmax_t n = d; | |
563 | if (n == d) | |
564 | return n; | |
565 | } | |
566 | } | |
243e0530 PE |
567 | if (xd_in_read_queued_messages) |
568 | Fthrow (Qdbus_error, Qnil); | |
569 | else | |
570 | args_out_of_range_3 (x, | |
571 | make_fixnum_or_float (lo), | |
572 | make_fixnum_or_float (hi)); | |
42b2a986 PE |
573 | } |
574 | ||
575 | /* Convert X to an unsigned integer with bounds 0 and HI. */ | |
576 | static uintmax_t | |
ff88beb8 | 577 | xd_extract_unsigned (Lisp_Object x, uintmax_t hi) |
42b2a986 PE |
578 | { |
579 | CHECK_NUMBER_OR_FLOAT (x); | |
580 | if (INTEGERP (x)) | |
581 | { | |
582 | if (0 <= XINT (x) && XINT (x) <= hi) | |
583 | return XINT (x); | |
584 | } | |
585 | else | |
586 | { | |
587 | double d = XFLOAT_DATA (x); | |
588 | if (0 <= d && d <= hi) | |
589 | { | |
590 | uintmax_t n = d; | |
591 | if (n == d) | |
592 | return n; | |
593 | } | |
594 | } | |
243e0530 PE |
595 | if (xd_in_read_queued_messages) |
596 | Fthrow (Qdbus_error, Qnil); | |
597 | else | |
598 | args_out_of_range_3 (x, make_number (0), make_fixnum_or_float (hi)); | |
42b2a986 PE |
599 | } |
600 | ||
87cf1a39 MA |
601 | /* Append C value, extracted from Lisp OBJECT, to iteration ITER. |
602 | DTYPE must be a valid DBusType. It is used to convert Lisp | |
603 | objects, being arguments of `dbus-call-method' or | |
604 | `dbus-send-signal', into corresponding C values appended as | |
605 | arguments to a D-Bus message. */ | |
78c38319 | 606 | static void |
243e0530 | 607 | xd_append_arg (int dtype, Lisp_Object object, DBusMessageIter *iter) |
87cf1a39 | 608 | { |
87cf1a39 MA |
609 | char signature[DBUS_MAXIMUM_SIGNATURE_LENGTH]; |
610 | DBusMessageIter subiter; | |
87cf1a39 MA |
611 | |
612 | if (XD_BASIC_DBUS_TYPE (dtype)) | |
17bc8f94 MA |
613 | switch (dtype) |
614 | { | |
615 | case DBUS_TYPE_BYTE: | |
2d1fc3c7 | 616 | CHECK_NATNUM (object); |
54371585 | 617 | { |
2d1fc3c7 | 618 | unsigned char val = XFASTINT (object) & 0xFF; |
3478ec45 | 619 | XD_DEBUG_MESSAGE ("%c %u", dtype, val); |
17bc8f94 | 620 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) |
1dae9197 | 621 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
622 | return; |
623 | } | |
87cf1a39 | 624 | |
17bc8f94 MA |
625 | case DBUS_TYPE_BOOLEAN: |
626 | { | |
627 | dbus_bool_t val = (NILP (object)) ? FALSE : TRUE; | |
628 | XD_DEBUG_MESSAGE ("%c %s", dtype, (val == FALSE) ? "false" : "true"); | |
629 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) | |
1dae9197 | 630 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
631 | return; |
632 | } | |
87cf1a39 | 633 | |
17bc8f94 MA |
634 | case DBUS_TYPE_INT16: |
635 | { | |
ff88beb8 MA |
636 | dbus_int16_t val = |
637 | xd_extract_signed (object, | |
638 | TYPE_MINIMUM (dbus_int16_t), | |
639 | TYPE_MAXIMUM (dbus_int16_t)); | |
3478ec45 PE |
640 | int pval = val; |
641 | XD_DEBUG_MESSAGE ("%c %d", dtype, pval); | |
17bc8f94 | 642 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) |
1dae9197 | 643 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
644 | return; |
645 | } | |
87cf1a39 | 646 | |
17bc8f94 MA |
647 | case DBUS_TYPE_UINT16: |
648 | { | |
ff88beb8 MA |
649 | dbus_uint16_t val = |
650 | xd_extract_unsigned (object, | |
651 | TYPE_MAXIMUM (dbus_uint16_t)); | |
3478ec45 PE |
652 | unsigned int pval = val; |
653 | XD_DEBUG_MESSAGE ("%c %u", dtype, pval); | |
17bc8f94 | 654 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) |
1dae9197 | 655 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
656 | return; |
657 | } | |
87cf1a39 | 658 | |
17bc8f94 MA |
659 | case DBUS_TYPE_INT32: |
660 | { | |
ff88beb8 MA |
661 | dbus_int32_t val = |
662 | xd_extract_signed (object, | |
663 | TYPE_MINIMUM (dbus_int32_t), | |
664 | TYPE_MAXIMUM (dbus_int32_t)); | |
3478ec45 PE |
665 | int pval = val; |
666 | XD_DEBUG_MESSAGE ("%c %d", dtype, pval); | |
17bc8f94 | 667 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) |
1dae9197 | 668 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
669 | return; |
670 | } | |
87cf1a39 | 671 | |
17bc8f94 | 672 | case DBUS_TYPE_UINT32: |
da1fec2b MA |
673 | #ifdef DBUS_TYPE_UNIX_FD |
674 | case DBUS_TYPE_UNIX_FD: | |
675 | #endif | |
17bc8f94 | 676 | { |
ff88beb8 MA |
677 | dbus_uint32_t val = |
678 | xd_extract_unsigned (object, | |
679 | TYPE_MAXIMUM (dbus_uint32_t)); | |
3478ec45 PE |
680 | unsigned int pval = val; |
681 | XD_DEBUG_MESSAGE ("%c %u", dtype, pval); | |
17bc8f94 | 682 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) |
1dae9197 | 683 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
684 | return; |
685 | } | |
87cf1a39 | 686 | |
17bc8f94 MA |
687 | case DBUS_TYPE_INT64: |
688 | { | |
ff88beb8 MA |
689 | dbus_int64_t val = |
690 | xd_extract_signed (object, | |
691 | TYPE_MINIMUM (dbus_int64_t), | |
692 | TYPE_MAXIMUM (dbus_int64_t)); | |
3478ec45 PE |
693 | printmax_t pval = val; |
694 | XD_DEBUG_MESSAGE ("%c %"pMd, dtype, pval); | |
17bc8f94 | 695 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) |
1dae9197 | 696 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
697 | return; |
698 | } | |
87cf1a39 | 699 | |
17bc8f94 MA |
700 | case DBUS_TYPE_UINT64: |
701 | { | |
ff88beb8 MA |
702 | dbus_uint64_t val = |
703 | xd_extract_unsigned (object, | |
704 | TYPE_MAXIMUM (dbus_uint64_t)); | |
3478ec45 PE |
705 | uprintmax_t pval = val; |
706 | XD_DEBUG_MESSAGE ("%c %"pMu, dtype, pval); | |
17bc8f94 | 707 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) |
1dae9197 | 708 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 | 709 | return; |
54371585 | 710 | } |
87cf1a39 | 711 | |
17bc8f94 | 712 | case DBUS_TYPE_DOUBLE: |
f601cdf3 | 713 | { |
dcbf5805 | 714 | double val = extract_float (object); |
f601cdf3 KR |
715 | XD_DEBUG_MESSAGE ("%c %f", dtype, val); |
716 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) | |
717 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); | |
718 | return; | |
719 | } | |
17bc8f94 MA |
720 | |
721 | case DBUS_TYPE_STRING: | |
722 | case DBUS_TYPE_OBJECT_PATH: | |
723 | case DBUS_TYPE_SIGNATURE: | |
e454a4a3 | 724 | CHECK_STRING (object); |
17bc8f94 | 725 | { |
e454a4a3 SM |
726 | /* We need to send a valid UTF-8 string. We could encode `object' |
727 | but by not encoding it, we guarantee it's valid utf-8, even if | |
728 | it contains eight-bit-bytes. Of course, you can still send | |
729 | manually-crafted junk by passing a unibyte string. */ | |
59d6fe83 | 730 | char *val = SSDATA (object); |
17bc8f94 MA |
731 | XD_DEBUG_MESSAGE ("%c %s", dtype, val); |
732 | if (!dbus_message_iter_append_basic (iter, dtype, &val)) | |
1dae9197 | 733 | XD_SIGNAL2 (build_string ("Unable to append argument"), object); |
17bc8f94 MA |
734 | return; |
735 | } | |
736 | } | |
87cf1a39 MA |
737 | |
738 | else /* Compound types. */ | |
739 | { | |
740 | ||
741 | /* All compound types except array have a type symbol. For | |
742 | array, it is optional. Skip it. */ | |
5125905e | 743 | if (!XD_BASIC_DBUS_TYPE (XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (object)))) |
87cf1a39 MA |
744 | object = XD_NEXT_VALUE (object); |
745 | ||
746 | /* Open new subiteration. */ | |
747 | switch (dtype) | |
748 | { | |
749 | case DBUS_TYPE_ARRAY: | |
5125905e MA |
750 | /* An array has only elements of the same type. So it is |
751 | sufficient to check the first element's signature | |
752 | only. */ | |
753 | ||
754 | if (NILP (object)) | |
755 | /* If the array is empty, DBUS_TYPE_STRING is the default | |
756 | element type. */ | |
757 | strcpy (signature, DBUS_TYPE_STRING_AS_STRING); | |
758 | ||
759 | else | |
760 | /* If the element type is DBUS_TYPE_SIGNATURE, and this is | |
761 | the only element, the value of this element is used as | |
762 | the array's element signature. */ | |
763 | if ((XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (object)) | |
764 | == DBUS_TYPE_SIGNATURE) | |
765 | && STRINGP (CAR_SAFE (XD_NEXT_VALUE (object))) | |
766 | && NILP (CDR_SAFE (XD_NEXT_VALUE (object)))) | |
767 | { | |
59d6fe83 | 768 | strcpy (signature, SSDATA (CAR_SAFE (XD_NEXT_VALUE (object)))); |
5125905e MA |
769 | object = CDR_SAFE (XD_NEXT_VALUE (object)); |
770 | } | |
771 | ||
772 | else | |
773 | xd_signature (signature, | |
774 | XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (object)), | |
775 | dtype, CAR_SAFE (XD_NEXT_VALUE (object))); | |
776 | ||
777 | XD_DEBUG_MESSAGE ("%c %s %s", dtype, signature, | |
dcbf5805 | 778 | XD_OBJECT_TO_STRING (object)); |
5125905e MA |
779 | if (!dbus_message_iter_open_container (iter, dtype, |
780 | signature, &subiter)) | |
1dae9197 MA |
781 | XD_SIGNAL3 (build_string ("Cannot open container"), |
782 | make_number (dtype), build_string (signature)); | |
5125905e MA |
783 | break; |
784 | ||
87cf1a39 | 785 | case DBUS_TYPE_VARIANT: |
5125905e MA |
786 | /* A variant has just one element. */ |
787 | xd_signature (signature, XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (object)), | |
788 | dtype, CAR_SAFE (XD_NEXT_VALUE (object))); | |
789 | ||
87cf1a39 | 790 | XD_DEBUG_MESSAGE ("%c %s %s", dtype, signature, |
dcbf5805 | 791 | XD_OBJECT_TO_STRING (object)); |
87cf1a39 MA |
792 | if (!dbus_message_iter_open_container (iter, dtype, |
793 | signature, &subiter)) | |
1dae9197 MA |
794 | XD_SIGNAL3 (build_string ("Cannot open container"), |
795 | make_number (dtype), build_string (signature)); | |
87cf1a39 MA |
796 | break; |
797 | ||
798 | case DBUS_TYPE_STRUCT: | |
799 | case DBUS_TYPE_DICT_ENTRY: | |
9af5078b | 800 | /* These containers do not require a signature. */ |
dcbf5805 | 801 | XD_DEBUG_MESSAGE ("%c %s", dtype, XD_OBJECT_TO_STRING (object)); |
87cf1a39 | 802 | if (!dbus_message_iter_open_container (iter, dtype, NULL, &subiter)) |
1dae9197 MA |
803 | XD_SIGNAL2 (build_string ("Cannot open container"), |
804 | make_number (dtype)); | |
87cf1a39 MA |
805 | break; |
806 | } | |
807 | ||
808 | /* Loop over list elements. */ | |
809 | while (!NILP (object)) | |
810 | { | |
5125905e | 811 | dtype = XD_OBJECT_TO_DBUS_TYPE (CAR_SAFE (object)); |
87cf1a39 MA |
812 | object = XD_NEXT_VALUE (object); |
813 | ||
5125905e | 814 | xd_append_arg (dtype, CAR_SAFE (object), &subiter); |
87cf1a39 | 815 | |
5125905e | 816 | object = CDR_SAFE (object); |
87cf1a39 MA |
817 | } |
818 | ||
9af5078b | 819 | /* Close the subiteration. */ |
87cf1a39 | 820 | if (!dbus_message_iter_close_container (iter, &subiter)) |
1dae9197 MA |
821 | XD_SIGNAL2 (build_string ("Cannot close container"), |
822 | make_number (dtype)); | |
87cf1a39 | 823 | } |
033b73e2 MA |
824 | } |
825 | ||
826 | /* Retrieve C value from a DBusMessageIter structure ITER, and return | |
827 | a converted Lisp object. The type DTYPE of the argument of the | |
9af5078b MA |
828 | D-Bus message must be a valid DBusType. Compound D-Bus types |
829 | result always in a Lisp list. */ | |
78c38319 | 830 | static Lisp_Object |
243e0530 | 831 | xd_retrieve_arg (int dtype, DBusMessageIter *iter) |
033b73e2 MA |
832 | { |
833 | ||
834 | switch (dtype) | |
835 | { | |
9af5078b | 836 | case DBUS_TYPE_BYTE: |
9af5078b | 837 | { |
17bc8f94 | 838 | unsigned int val; |
9af5078b | 839 | dbus_message_iter_get_basic (iter, &val); |
17bc8f94 | 840 | val = val & 0xFF; |
3478ec45 | 841 | XD_DEBUG_MESSAGE ("%c %u", dtype, val); |
9af5078b MA |
842 | return make_number (val); |
843 | } | |
844 | ||
033b73e2 MA |
845 | case DBUS_TYPE_BOOLEAN: |
846 | { | |
847 | dbus_bool_t val; | |
848 | dbus_message_iter_get_basic (iter, &val); | |
87cf1a39 | 849 | XD_DEBUG_MESSAGE ("%c %s", dtype, (val == FALSE) ? "false" : "true"); |
033b73e2 MA |
850 | return (val == FALSE) ? Qnil : Qt; |
851 | } | |
87cf1a39 | 852 | |
17bc8f94 | 853 | case DBUS_TYPE_INT16: |
1cae01f7 AS |
854 | { |
855 | dbus_int16_t val; | |
3478ec45 | 856 | int pval; |
1cae01f7 | 857 | dbus_message_iter_get_basic (iter, &val); |
3478ec45 PE |
858 | pval = val; |
859 | XD_DEBUG_MESSAGE ("%c %d", dtype, pval); | |
1cae01f7 AS |
860 | return make_number (val); |
861 | } | |
862 | ||
17bc8f94 MA |
863 | case DBUS_TYPE_UINT16: |
864 | { | |
865 | dbus_uint16_t val; | |
3478ec45 | 866 | int pval; |
17bc8f94 | 867 | dbus_message_iter_get_basic (iter, &val); |
3478ec45 PE |
868 | pval = val; |
869 | XD_DEBUG_MESSAGE ("%c %d", dtype, pval); | |
17bc8f94 MA |
870 | return make_number (val); |
871 | } | |
872 | ||
033b73e2 | 873 | case DBUS_TYPE_INT32: |
1cae01f7 AS |
874 | { |
875 | dbus_int32_t val; | |
3478ec45 | 876 | int pval; |
1cae01f7 | 877 | dbus_message_iter_get_basic (iter, &val); |
3478ec45 PE |
878 | pval = val; |
879 | XD_DEBUG_MESSAGE ("%c %d", dtype, pval); | |
1cae01f7 AS |
880 | return make_fixnum_or_float (val); |
881 | } | |
882 | ||
033b73e2 | 883 | case DBUS_TYPE_UINT32: |
da1fec2b MA |
884 | #ifdef DBUS_TYPE_UNIX_FD |
885 | case DBUS_TYPE_UNIX_FD: | |
886 | #endif | |
033b73e2 MA |
887 | { |
888 | dbus_uint32_t val; | |
31ff141c | 889 | unsigned int pval; |
033b73e2 | 890 | dbus_message_iter_get_basic (iter, &val); |
3478ec45 PE |
891 | pval = val; |
892 | XD_DEBUG_MESSAGE ("%c %u", dtype, pval); | |
1cae01f7 | 893 | return make_fixnum_or_float (val); |
9af5078b MA |
894 | } |
895 | ||
896 | case DBUS_TYPE_INT64: | |
1cae01f7 AS |
897 | { |
898 | dbus_int64_t val; | |
3478ec45 | 899 | printmax_t pval; |
1cae01f7 | 900 | dbus_message_iter_get_basic (iter, &val); |
3478ec45 PE |
901 | pval = val; |
902 | XD_DEBUG_MESSAGE ("%c %"pMd, dtype, pval); | |
1cae01f7 AS |
903 | return make_fixnum_or_float (val); |
904 | } | |
905 | ||
9af5078b MA |
906 | case DBUS_TYPE_UINT64: |
907 | { | |
908 | dbus_uint64_t val; | |
3478ec45 | 909 | uprintmax_t pval; |
9af5078b | 910 | dbus_message_iter_get_basic (iter, &val); |
3478ec45 PE |
911 | pval = val; |
912 | XD_DEBUG_MESSAGE ("%c %"pMd, dtype, pval); | |
9af5078b MA |
913 | return make_fixnum_or_float (val); |
914 | } | |
915 | ||
916 | case DBUS_TYPE_DOUBLE: | |
917 | { | |
918 | double val; | |
919 | dbus_message_iter_get_basic (iter, &val); | |
920 | XD_DEBUG_MESSAGE ("%c %f", dtype, val); | |
921 | return make_float (val); | |
033b73e2 | 922 | } |
87cf1a39 | 923 | |
033b73e2 MA |
924 | case DBUS_TYPE_STRING: |
925 | case DBUS_TYPE_OBJECT_PATH: | |
9af5078b | 926 | case DBUS_TYPE_SIGNATURE: |
033b73e2 MA |
927 | { |
928 | char *val; | |
929 | dbus_message_iter_get_basic (iter, &val); | |
87cf1a39 | 930 | XD_DEBUG_MESSAGE ("%c %s", dtype, val); |
033b73e2 MA |
931 | return build_string (val); |
932 | } | |
87cf1a39 | 933 | |
033b73e2 MA |
934 | case DBUS_TYPE_ARRAY: |
935 | case DBUS_TYPE_VARIANT: | |
936 | case DBUS_TYPE_STRUCT: | |
937 | case DBUS_TYPE_DICT_ENTRY: | |
938 | { | |
939 | Lisp_Object result; | |
940 | struct gcpro gcpro1; | |
033b73e2 MA |
941 | DBusMessageIter subiter; |
942 | int subtype; | |
fa8e045a MA |
943 | result = Qnil; |
944 | GCPRO1 (result); | |
033b73e2 MA |
945 | dbus_message_iter_recurse (iter, &subiter); |
946 | while ((subtype = dbus_message_iter_get_arg_type (&subiter)) | |
947 | != DBUS_TYPE_INVALID) | |
948 | { | |
949 | result = Fcons (xd_retrieve_arg (subtype, &subiter), result); | |
950 | dbus_message_iter_next (&subiter); | |
951 | } | |
dcbf5805 | 952 | XD_DEBUG_MESSAGE ("%c %s", dtype, XD_OBJECT_TO_STRING (result)); |
033b73e2 MA |
953 | RETURN_UNGCPRO (Fnreverse (result)); |
954 | } | |
87cf1a39 | 955 | |
033b73e2 | 956 | default: |
87cf1a39 | 957 | XD_DEBUG_MESSAGE ("DBusType '%c' not supported", dtype); |
033b73e2 MA |
958 | return Qnil; |
959 | } | |
960 | } | |
961 | ||
dcbf5805 | 962 | /* Return the number of references of the shared CONNECTION. */ |
243e0530 | 963 | static ptrdiff_t |
dcbf5805 MA |
964 | xd_get_connection_references (DBusConnection *connection) |
965 | { | |
966 | ptrdiff_t *refcount; | |
de85e130 | 967 | |
dcbf5805 MA |
968 | /* We cannot access the DBusConnection structure, it is not public. |
969 | But we know, that the reference counter is the first field in | |
970 | that structure. */ | |
971 | refcount = (void *) &connection; | |
972 | refcount = (void *) *refcount; | |
973 | return *refcount; | |
974 | } | |
975 | ||
976 | /* Return D-Bus connection address. BUS is either a Lisp symbol, | |
977 | :system or :session, or a string denoting the bus address. */ | |
78c38319 | 978 | static DBusConnection * |
dcbf5805 | 979 | xd_get_connection_address (Lisp_Object bus) |
033b73e2 MA |
980 | { |
981 | DBusConnection *connection; | |
dcbf5805 | 982 | Lisp_Object val; |
033b73e2 | 983 | |
5cb67954 | 984 | val = CDR_SAFE (Fassoc (bus, xd_registered_buses)); |
dcbf5805 MA |
985 | if (NILP (val)) |
986 | XD_SIGNAL2 (build_string ("No connection to bus"), bus); | |
033b73e2 | 987 | else |
3478ec45 | 988 | connection = (DBusConnection *) (intptr_t) XFASTINT (val); |
033b73e2 | 989 | |
dcbf5805 | 990 | if (!dbus_connection_get_is_connected (connection)) |
3f56d3c6 | 991 | XD_SIGNAL2 (build_string ("No connection to bus"), bus); |
033b73e2 | 992 | |
033b73e2 MA |
993 | return connection; |
994 | } | |
995 | ||
3fad2ad2 | 996 | /* Return the file descriptor for WATCH, -1 if not found. */ |
3fad2ad2 J |
997 | static int |
998 | xd_find_watch_fd (DBusWatch *watch) | |
058ed861 | 999 | { |
eb4c6ace | 1000 | #if HAVE_DBUS_WATCH_GET_UNIX_FD |
b46a6a83 | 1001 | /* TODO: Reverse these on w32, which prefers the opposite. */ |
3fad2ad2 J |
1002 | int fd = dbus_watch_get_unix_fd (watch); |
1003 | if (fd == -1) | |
1004 | fd = dbus_watch_get_socket (watch); | |
3f56d3c6 | 1005 | #else |
3fad2ad2 | 1006 | int fd = dbus_watch_get_fd (watch); |
3f56d3c6 | 1007 | #endif |
3fad2ad2 J |
1008 | return fd; |
1009 | } | |
3f56d3c6 | 1010 | |
08609ffd | 1011 | /* Prototype. */ |
de1339b0 | 1012 | static void xd_read_queued_messages (int fd, void *data); |
058ed861 | 1013 | |
3fad2ad2 | 1014 | /* Start monitoring WATCH for possible I/O. */ |
3fad2ad2 J |
1015 | static dbus_bool_t |
1016 | xd_add_watch (DBusWatch *watch, void *data) | |
1017 | { | |
1018 | unsigned int flags = dbus_watch_get_flags (watch); | |
1019 | int fd = xd_find_watch_fd (watch); | |
1020 | ||
1021 | XD_DEBUG_MESSAGE ("fd %d, write %d, enabled %d", | |
dcbf5805 MA |
1022 | fd, flags & DBUS_WATCH_WRITABLE, |
1023 | dbus_watch_get_enabled (watch)); | |
3fad2ad2 J |
1024 | |
1025 | if (fd == -1) | |
1026 | return FALSE; | |
1027 | ||
1028 | if (dbus_watch_get_enabled (watch)) | |
1029 | { | |
1030 | if (flags & DBUS_WATCH_WRITABLE) | |
08609ffd | 1031 | add_write_fd (fd, xd_read_queued_messages, data); |
3fad2ad2 | 1032 | if (flags & DBUS_WATCH_READABLE) |
08609ffd | 1033 | add_read_fd (fd, xd_read_queued_messages, data); |
3fad2ad2 | 1034 | } |
058ed861 MA |
1035 | return TRUE; |
1036 | } | |
1037 | ||
3fad2ad2 J |
1038 | /* Stop monitoring WATCH for possible I/O. |
1039 | DATA is the used bus, either a string or QCdbus_system_bus or | |
0c372655 | 1040 | QCdbus_session_bus. */ |
3fad2ad2 | 1041 | static void |
971de7fb | 1042 | xd_remove_watch (DBusWatch *watch, void *data) |
058ed861 | 1043 | { |
3fad2ad2 J |
1044 | unsigned int flags = dbus_watch_get_flags (watch); |
1045 | int fd = xd_find_watch_fd (watch); | |
3f56d3c6 | 1046 | |
3fad2ad2 J |
1047 | XD_DEBUG_MESSAGE ("fd %d", fd); |
1048 | ||
08609ffd MA |
1049 | if (fd == -1) |
1050 | return; | |
777013f2 | 1051 | |
3fad2ad2 | 1052 | /* Unset session environment. */ |
9b994fed | 1053 | #if 0 |
b4289b64 | 1054 | if (XSYMBOL (QCdbus_session_bus) == data) |
3fad2ad2 | 1055 | { |
9b994fed PE |
1056 | XD_DEBUG_MESSAGE ("unsetenv DBUS_SESSION_BUS_ADDRESS"); |
1057 | unsetenv ("DBUS_SESSION_BUS_ADDRESS"); | |
058ed861 | 1058 | } |
9b994fed | 1059 | #endif |
058ed861 | 1060 | |
3fad2ad2 J |
1061 | if (flags & DBUS_WATCH_WRITABLE) |
1062 | delete_write_fd (fd); | |
1063 | if (flags & DBUS_WATCH_READABLE) | |
1064 | delete_read_fd (fd); | |
1065 | } | |
1066 | ||
1067 | /* Toggle monitoring WATCH for possible I/O. */ | |
3fad2ad2 J |
1068 | static void |
1069 | xd_toggle_watch (DBusWatch *watch, void *data) | |
1070 | { | |
1071 | if (dbus_watch_get_enabled (watch)) | |
1072 | xd_add_watch (watch, data); | |
1073 | else | |
1074 | xd_remove_watch (watch, data); | |
058ed861 MA |
1075 | } |
1076 | ||
dcbf5805 MA |
1077 | /* Close connection to D-Bus BUS. */ |
1078 | static void | |
1079 | xd_close_bus (Lisp_Object bus) | |
1080 | { | |
1081 | DBusConnection *connection; | |
1082 | Lisp_Object val; | |
1083 | ||
1084 | /* Check whether we are connected. */ | |
5cb67954 | 1085 | val = Fassoc (bus, xd_registered_buses); |
dcbf5805 MA |
1086 | if (NILP (val)) |
1087 | return; | |
1088 | ||
1089 | /* Retrieve bus address. */ | |
1090 | connection = xd_get_connection_address (bus); | |
1091 | ||
dcbf5805 MA |
1092 | if (xd_get_connection_references (connection) == 1) |
1093 | { | |
e518bc71 | 1094 | /* Close connection, if there isn't another shared application. */ |
dcbf5805 MA |
1095 | XD_DEBUG_MESSAGE ("Close connection to bus %s", |
1096 | XD_OBJECT_TO_STRING (bus)); | |
1097 | dbus_connection_close (connection); | |
dcbf5805 | 1098 | |
e518bc71 MA |
1099 | xd_registered_buses = Fdelete (val, xd_registered_buses); |
1100 | } | |
dcbf5805 | 1101 | |
e518bc71 MA |
1102 | else |
1103 | /* Decrement reference count. */ | |
1104 | dbus_connection_unref (connection); | |
dcbf5805 MA |
1105 | |
1106 | /* Return. */ | |
1107 | return; | |
1108 | } | |
1109 | ||
1110 | DEFUN ("dbus-init-bus", Fdbus_init_bus, Sdbus_init_bus, 1, 2, 0, | |
1111 | doc: /* Establish the connection to D-Bus BUS. | |
1112 | ||
1113 | BUS can be either the symbol `:system' or the symbol `:session', or it | |
1114 | can be a string denoting the address of the corresponding bus. For | |
1115 | the system and session buses, this function is called when loading | |
1116 | `dbus.el', there is no need to call it again. | |
1117 | ||
1118 | The function returns a number, which counts the connections this Emacs | |
1119 | session has established to the BUS under the same unique name (see | |
1120 | `dbus-get-unique-name'). It depends on the libraries Emacs is linked | |
1121 | with, and on the environment Emacs is running. For example, if Emacs | |
1122 | is linked with the gtk toolkit, and it runs in a GTK-aware environment | |
1123 | like Gnome, another connection might already be established. | |
1124 | ||
1125 | When PRIVATE is non-nil, a new connection is established instead of | |
1126 | reusing an existing one. It results in a new unique name at the bus. | |
1127 | This can be used, if it is necessary to distinguish from another | |
1128 | connection used in the same Emacs process, like the one established by | |
1129 | GTK+. It should be used with care for at least the `:system' and | |
1130 | `:session' buses, because other Emacs Lisp packages might already use | |
1131 | this connection to those buses. */) | |
1132 | (Lisp_Object bus, Lisp_Object private) | |
058ed861 MA |
1133 | { |
1134 | DBusConnection *connection; | |
dcbf5805 MA |
1135 | DBusError derror; |
1136 | Lisp_Object val; | |
243e0530 | 1137 | ptrdiff_t refcount; |
058ed861 | 1138 | |
b4289b64 | 1139 | /* Check parameter. */ |
dcbf5805 MA |
1140 | XD_DBUS_VALIDATE_BUS_ADDRESS (bus); |
1141 | ||
1142 | /* Close bus if it is already open. */ | |
1143 | xd_close_bus (bus); | |
1144 | ||
e518bc71 MA |
1145 | /* Check, whether we are still connected. */ |
1146 | val = Fassoc (bus, xd_registered_buses); | |
1147 | if (!NILP (val)) | |
1148 | { | |
1149 | connection = xd_get_connection_address (bus); | |
1150 | dbus_connection_ref (connection); | |
1151 | } | |
dcbf5805 MA |
1152 | |
1153 | else | |
e518bc71 MA |
1154 | { |
1155 | /* Initialize. */ | |
1156 | dbus_error_init (&derror); | |
dcbf5805 | 1157 | |
e518bc71 MA |
1158 | /* Open the connection. */ |
1159 | if (STRINGP (bus)) | |
1160 | if (NILP (private)) | |
1161 | connection = dbus_connection_open (SSDATA (bus), &derror); | |
1162 | else | |
1163 | connection = dbus_connection_open_private (SSDATA (bus), &derror); | |
1164 | ||
1165 | else | |
1166 | if (NILP (private)) | |
1167 | connection = dbus_bus_get (EQ (bus, QCdbus_system_bus) | |
1168 | ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, | |
1169 | &derror); | |
1170 | else | |
1171 | connection = dbus_bus_get_private (EQ (bus, QCdbus_system_bus) | |
1172 | ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, | |
1173 | &derror); | |
1174 | ||
1175 | if (dbus_error_is_set (&derror)) | |
1176 | XD_ERROR (derror); | |
1177 | ||
1178 | if (connection == NULL) | |
1179 | XD_SIGNAL2 (build_string ("No connection to bus"), bus); | |
1180 | ||
1181 | /* If it is not the system or session bus, we must register | |
1182 | ourselves. Otherwise, we have called dbus_bus_get, which has | |
1183 | configured us to exit if the connection closes - we undo this | |
1184 | setting. */ | |
1185 | if (STRINGP (bus)) | |
1186 | dbus_bus_register (connection, &derror); | |
1187 | else | |
1188 | dbus_connection_set_exit_on_disconnect (connection, FALSE); | |
1189 | ||
1190 | if (dbus_error_is_set (&derror)) | |
1191 | XD_ERROR (derror); | |
1192 | ||
1193 | /* Add the watch functions. We pass also the bus as data, in | |
1194 | order to distinguish between the buses in xd_remove_watch. */ | |
1195 | if (!dbus_connection_set_watch_functions (connection, | |
1196 | xd_add_watch, | |
1197 | xd_remove_watch, | |
1198 | xd_toggle_watch, | |
1199 | SYMBOLP (bus) | |
1200 | ? (void *) XSYMBOL (bus) | |
1201 | : (void *) XSTRING (bus), | |
1202 | NULL)) | |
1203 | XD_SIGNAL1 (build_string ("Cannot add watch functions")); | |
1204 | ||
1205 | /* Add bus to list of registered buses. */ | |
1206 | XSETFASTINT (val, (intptr_t) connection); | |
1207 | xd_registered_buses = Fcons (Fcons (bus, val), xd_registered_buses); | |
1208 | ||
1209 | /* We do not want to abort. */ | |
5745a7df | 1210 | xputenv ("DBUS_FATAL_WARNINGS=0"); |
e518bc71 MA |
1211 | |
1212 | /* Cleanup. */ | |
1213 | dbus_error_free (&derror); | |
1214 | } | |
0c372655 | 1215 | |
dcbf5805 MA |
1216 | /* Return reference counter. */ |
1217 | refcount = xd_get_connection_references (connection); | |
243e0530 | 1218 | XD_DEBUG_MESSAGE ("Bus %s, Reference counter %"pD"d", |
dcbf5805 MA |
1219 | XD_OBJECT_TO_STRING (bus), refcount); |
1220 | return make_number (refcount); | |
058ed861 MA |
1221 | } |
1222 | ||
033b73e2 MA |
1223 | DEFUN ("dbus-get-unique-name", Fdbus_get_unique_name, Sdbus_get_unique_name, |
1224 | 1, 1, 0, | |
5125905e | 1225 | doc: /* Return the unique name of Emacs registered at D-Bus BUS. */) |
5842a27b | 1226 | (Lisp_Object bus) |
033b73e2 MA |
1227 | { |
1228 | DBusConnection *connection; | |
48f7d213 | 1229 | const char *name; |
033b73e2 | 1230 | |
dcbf5805 MA |
1231 | /* Check parameter. */ |
1232 | XD_DBUS_VALIDATE_BUS_ADDRESS (bus); | |
1233 | ||
1234 | /* Retrieve bus address. */ | |
1235 | connection = xd_get_connection_address (bus); | |
033b73e2 MA |
1236 | |
1237 | /* Request the name. */ | |
48f7d213 | 1238 | name = dbus_bus_get_unique_name (connection); |
033b73e2 | 1239 | if (name == NULL) |
1dae9197 | 1240 | XD_SIGNAL1 (build_string ("No unique name available")); |
033b73e2 MA |
1241 | |
1242 | /* Return. */ | |
1243 | return build_string (name); | |
1244 | } | |
1245 | ||
dcbf5805 MA |
1246 | DEFUN ("dbus-message-internal", Fdbus_message_internal, Sdbus_message_internal, |
1247 | 4, MANY, 0, | |
1248 | doc: /* Send a D-Bus message. | |
1249 | This is an internal function, it shall not be used outside dbus.el. | |
1250 | ||
1251 | The following usages are expected: | |
1252 | ||
1253 | `dbus-call-method', `dbus-call-method-asynchronously': | |
1254 | \(dbus-message-internal | |
1255 | dbus-message-type-method-call BUS SERVICE PATH INTERFACE METHOD HANDLER | |
1256 | &optional :timeout TIMEOUT &rest ARGS) | |
1257 | ||
1258 | `dbus-send-signal': | |
1259 | \(dbus-message-internal | |
1260 | dbus-message-type-signal BUS SERVICE PATH INTERFACE SIGNAL &rest ARGS) | |
1261 | ||
1262 | `dbus-method-return-internal': | |
1263 | \(dbus-message-internal | |
1264 | dbus-message-type-method-return BUS SERVICE SERIAL &rest ARGS) | |
1265 | ||
1266 | `dbus-method-error-internal': | |
1267 | \(dbus-message-internal | |
1268 | dbus-message-type-error BUS SERVICE SERIAL &rest ARGS) | |
1269 | ||
1270 | usage: (dbus-message-internal &rest REST) */) | |
f66c7cf8 | 1271 | (ptrdiff_t nargs, Lisp_Object *args) |
033b73e2 | 1272 | { |
dcbf5805 MA |
1273 | Lisp_Object message_type, bus, service, handler; |
1274 | Lisp_Object path = Qnil; | |
1275 | Lisp_Object interface = Qnil; | |
1276 | Lisp_Object member = Qnil; | |
033b73e2 | 1277 | Lisp_Object result; |
dcbf5805 | 1278 | struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5, gcpro6; |
033b73e2 MA |
1279 | DBusConnection *connection; |
1280 | DBusMessage *dmessage; | |
033b73e2 | 1281 | DBusMessageIter iter; |
243e0530 PE |
1282 | int dtype; |
1283 | int mtype; | |
dcbf5805 | 1284 | dbus_uint32_t serial = 0; |
3478ec45 | 1285 | unsigned int ui_serial; |
90b3fc84 | 1286 | int timeout = -1; |
dcbf5805 | 1287 | ptrdiff_t count; |
87cf1a39 | 1288 | char signature[DBUS_MAXIMUM_SIGNATURE_LENGTH]; |
033b73e2 | 1289 | |
dcbf5805 MA |
1290 | /* Initialize parameters. */ |
1291 | message_type = args[0]; | |
1292 | bus = args[1]; | |
1293 | service = args[2]; | |
1294 | handler = Qnil; | |
1295 | ||
1296 | CHECK_NATNUM (message_type); | |
243e0530 PE |
1297 | if (! (DBUS_MESSAGE_TYPE_INVALID < XFASTINT (message_type) |
1298 | && XFASTINT (message_type) < DBUS_NUM_MESSAGE_TYPES)) | |
dcbf5805 | 1299 | XD_SIGNAL2 (build_string ("Invalid message type"), message_type); |
243e0530 | 1300 | mtype = XFASTINT (message_type); |
dcbf5805 MA |
1301 | |
1302 | if ((mtype == DBUS_MESSAGE_TYPE_METHOD_CALL) | |
1303 | || (mtype == DBUS_MESSAGE_TYPE_SIGNAL)) | |
1304 | { | |
1305 | path = args[3]; | |
1306 | interface = args[4]; | |
1307 | member = args[5]; | |
1308 | if (mtype == DBUS_MESSAGE_TYPE_METHOD_CALL) | |
1309 | handler = args[6]; | |
1310 | count = (mtype == DBUS_MESSAGE_TYPE_METHOD_CALL) ? 7 : 6; | |
1311 | } | |
1312 | else /* DBUS_MESSAGE_TYPE_METHOD_RETURN, DBUS_MESSAGE_TYPE_ERROR */ | |
1313 | { | |
ff88beb8 | 1314 | serial = xd_extract_unsigned (args[3], TYPE_MAXIMUM (dbus_uint32_t)); |
dcbf5805 MA |
1315 | count = 4; |
1316 | } | |
1317 | ||
033b73e2 | 1318 | /* Check parameters. */ |
dcbf5805 MA |
1319 | XD_DBUS_VALIDATE_BUS_ADDRESS (bus); |
1320 | XD_DBUS_VALIDATE_BUS_NAME (service); | |
1321 | if (nargs < count) | |
1322 | xsignal2 (Qwrong_number_of_arguments, | |
1323 | Qdbus_message_internal, | |
1324 | make_number (nargs)); | |
1325 | ||
1326 | if ((mtype == DBUS_MESSAGE_TYPE_METHOD_CALL) | |
1327 | || (mtype == DBUS_MESSAGE_TYPE_SIGNAL)) | |
1328 | { | |
1329 | XD_DBUS_VALIDATE_PATH (path); | |
1330 | XD_DBUS_VALIDATE_INTERFACE (interface); | |
1331 | XD_DBUS_VALIDATE_MEMBER (member); | |
1332 | if (!NILP (handler) && (!FUNCTIONP (handler))) | |
1333 | wrong_type_argument (Qinvalid_function, handler); | |
1334 | } | |
90b3fc84 | 1335 | |
dcbf5805 MA |
1336 | /* Protect Lisp variables. */ |
1337 | GCPRO6 (bus, service, path, interface, member, handler); | |
1338 | ||
1339 | /* Trace parameters. */ | |
1340 | switch (mtype) | |
033b73e2 | 1341 | { |
dcbf5805 MA |
1342 | case DBUS_MESSAGE_TYPE_METHOD_CALL: |
1343 | XD_DEBUG_MESSAGE ("%s %s %s %s %s %s %s", | |
1344 | XD_MESSAGE_TYPE_TO_STRING (mtype), | |
1345 | XD_OBJECT_TO_STRING (bus), | |
1346 | XD_OBJECT_TO_STRING (service), | |
1347 | XD_OBJECT_TO_STRING (path), | |
1348 | XD_OBJECT_TO_STRING (interface), | |
1349 | XD_OBJECT_TO_STRING (member), | |
1350 | XD_OBJECT_TO_STRING (handler)); | |
1351 | break; | |
1352 | case DBUS_MESSAGE_TYPE_SIGNAL: | |
1353 | XD_DEBUG_MESSAGE ("%s %s %s %s %s %s", | |
1354 | XD_MESSAGE_TYPE_TO_STRING (mtype), | |
1355 | XD_OBJECT_TO_STRING (bus), | |
1356 | XD_OBJECT_TO_STRING (service), | |
1357 | XD_OBJECT_TO_STRING (path), | |
1358 | XD_OBJECT_TO_STRING (interface), | |
1359 | XD_OBJECT_TO_STRING (member)); | |
1360 | break; | |
1361 | default: /* DBUS_MESSAGE_TYPE_METHOD_RETURN, DBUS_MESSAGE_TYPE_ERROR */ | |
3478ec45 | 1362 | ui_serial = serial; |
dcbf5805 MA |
1363 | XD_DEBUG_MESSAGE ("%s %s %s %u", |
1364 | XD_MESSAGE_TYPE_TO_STRING (mtype), | |
1365 | XD_OBJECT_TO_STRING (bus), | |
1366 | XD_OBJECT_TO_STRING (service), | |
3478ec45 | 1367 | ui_serial); |
033b73e2 MA |
1368 | } |
1369 | ||
dcbf5805 MA |
1370 | /* Retrieve bus address. */ |
1371 | connection = xd_get_connection_address (bus); | |
54371585 | 1372 | |
dcbf5805 MA |
1373 | /* Create the D-Bus message. */ |
1374 | dmessage = dbus_message_new (mtype); | |
033b73e2 | 1375 | if (dmessage == NULL) |
dcbf5805 MA |
1376 | { |
1377 | UNGCPRO; | |
1378 | XD_SIGNAL1 (build_string ("Unable to create a new message")); | |
1379 | } | |
1380 | ||
1381 | if (STRINGP (service)) | |
033b73e2 | 1382 | { |
dcbf5805 MA |
1383 | if (mtype != DBUS_MESSAGE_TYPE_SIGNAL) |
1384 | /* Set destination. */ | |
8c7a4ac5 | 1385 | { |
dcbf5805 MA |
1386 | if (!dbus_message_set_destination (dmessage, SSDATA (service))) |
1387 | { | |
1388 | UNGCPRO; | |
1389 | XD_SIGNAL2 (build_string ("Unable to set the destination"), | |
1390 | service); | |
1391 | } | |
8c7a4ac5 | 1392 | } |
dcbf5805 | 1393 | |
8c7a4ac5 | 1394 | else |
dcbf5805 | 1395 | /* Set destination for unicast signals. */ |
8c7a4ac5 | 1396 | { |
dcbf5805 | 1397 | Lisp_Object uname; |
033b73e2 | 1398 | |
dcbf5805 MA |
1399 | /* If it is the same unique name as we are registered at the |
1400 | bus or an unknown name, we regard it as broadcast message | |
1401 | due to backward compatibility. */ | |
1402 | if (dbus_bus_name_has_owner (connection, SSDATA (service), NULL)) | |
1403 | uname = call2 (intern ("dbus-get-name-owner"), bus, service); | |
1404 | else | |
1405 | uname = Qnil; | |
87cf1a39 | 1406 | |
dcbf5805 MA |
1407 | if (STRINGP (uname) |
1408 | && (strcmp (dbus_bus_get_unique_name (connection), SSDATA (uname)) | |
1409 | != 0) | |
1410 | && (!dbus_message_set_destination (dmessage, SSDATA (service)))) | |
1411 | { | |
1412 | UNGCPRO; | |
1413 | XD_SIGNAL2 (build_string ("Unable to set signal destination"), | |
1414 | service); | |
1415 | } | |
1416 | } | |
033b73e2 MA |
1417 | } |
1418 | ||
dcbf5805 MA |
1419 | /* Set message parameters. */ |
1420 | if ((mtype == DBUS_MESSAGE_TYPE_METHOD_CALL) | |
1421 | || (mtype == DBUS_MESSAGE_TYPE_SIGNAL)) | |
033b73e2 | 1422 | { |
dcbf5805 MA |
1423 | if ((!dbus_message_set_path (dmessage, SSDATA (path))) |
1424 | || (!dbus_message_set_interface (dmessage, SSDATA (interface))) | |
1425 | || (!dbus_message_set_member (dmessage, SSDATA (member)))) | |
2c3a8b27 | 1426 | { |
dcbf5805 MA |
1427 | UNGCPRO; |
1428 | XD_SIGNAL1 (build_string ("Unable to set the message parameter")); | |
2c3a8b27 | 1429 | } |
033b73e2 | 1430 | } |
13ecc6dc | 1431 | |
dcbf5805 MA |
1432 | else /* DBUS_MESSAGE_TYPE_METHOD_RETURN, DBUS_MESSAGE_TYPE_ERROR */ |
1433 | { | |
1434 | if (!dbus_message_set_reply_serial (dmessage, serial)) | |
1435 | { | |
1436 | UNGCPRO; | |
1437 | XD_SIGNAL1 (build_string ("Unable to create a return message")); | |
1438 | } | |
13ecc6dc | 1439 | |
dcbf5805 MA |
1440 | if ((mtype == DBUS_MESSAGE_TYPE_ERROR) |
1441 | && (!dbus_message_set_error_name (dmessage, DBUS_ERROR_FAILED))) | |
1442 | { | |
1443 | UNGCPRO; | |
1444 | XD_SIGNAL1 (build_string ("Unable to create a error message")); | |
1445 | } | |
1446 | } | |
90b3fc84 MA |
1447 | |
1448 | /* Check for timeout parameter. */ | |
dcbf5805 | 1449 | if ((count+2 <= nargs) && (EQ ((args[count]), QCdbus_timeout))) |
033b73e2 | 1450 | { |
dcbf5805 | 1451 | CHECK_NATNUM (args[count+1]); |
42b2a986 | 1452 | timeout = min (XFASTINT (args[count+1]), INT_MAX); |
dcbf5805 | 1453 | count = count+2; |
033b73e2 MA |
1454 | } |
1455 | ||
54371585 MA |
1456 | /* Initialize parameter list of message. */ |
1457 | dbus_message_iter_init_append (dmessage, &iter); | |
1458 | ||
033b73e2 | 1459 | /* Append parameters to the message. */ |
dcbf5805 | 1460 | for (; count < nargs; ++count) |
033b73e2 | 1461 | { |
dcbf5805 MA |
1462 | dtype = XD_OBJECT_TO_DBUS_TYPE (args[count]); |
1463 | if (XD_DBUS_TYPE_P (args[count])) | |
8c7a4ac5 | 1464 | { |
dcbf5805 MA |
1465 | XD_DEBUG_VALID_LISP_OBJECT_P (args[count]); |
1466 | XD_DEBUG_VALID_LISP_OBJECT_P (args[count+1]); | |
1467 | XD_DEBUG_MESSAGE ("Parameter%"pD"d %s %s", count - 4, | |
1468 | XD_OBJECT_TO_STRING (args[count]), | |
1469 | XD_OBJECT_TO_STRING (args[count+1])); | |
1470 | ++count; | |
8c7a4ac5 MA |
1471 | } |
1472 | else | |
1473 | { | |
dcbf5805 MA |
1474 | XD_DEBUG_VALID_LISP_OBJECT_P (args[count]); |
1475 | XD_DEBUG_MESSAGE ("Parameter%"pD"d %s", count - 4, | |
1476 | XD_OBJECT_TO_STRING (args[count])); | |
8c7a4ac5 | 1477 | } |
033b73e2 | 1478 | |
abe136ee | 1479 | /* Check for valid signature. We use DBUS_TYPE_INVALID as |
87cf1a39 | 1480 | indication that there is no parent type. */ |
dcbf5805 | 1481 | xd_signature (signature, dtype, DBUS_TYPE_INVALID, args[count]); |
87cf1a39 | 1482 | |
dcbf5805 | 1483 | xd_append_arg (dtype, args[count], &iter); |
033b73e2 MA |
1484 | } |
1485 | ||
ca4f31ea MA |
1486 | if (!NILP (handler)) |
1487 | { | |
1488 | /* Send the message. The message is just added to the outgoing | |
1489 | message queue. */ | |
1490 | if (!dbus_connection_send_with_reply (connection, dmessage, | |
1491 | NULL, timeout)) | |
dcbf5805 MA |
1492 | { |
1493 | UNGCPRO; | |
1494 | XD_SIGNAL1 (build_string ("Cannot send message")); | |
1495 | } | |
033b73e2 | 1496 | |
f04bb9b2 | 1497 | /* The result is the key in Vdbus_registered_objects_table. */ |
08686060 | 1498 | serial = dbus_message_get_serial (dmessage); |
dcbf5805 MA |
1499 | result = list3 (QCdbus_registered_serial, |
1500 | bus, make_fixnum_or_float (serial)); | |
13ecc6dc | 1501 | |
ca4f31ea | 1502 | /* Create a hash table entry. */ |
f04bb9b2 | 1503 | Fputhash (result, handler, Vdbus_registered_objects_table); |
ca4f31ea MA |
1504 | } |
1505 | else | |
1506 | { | |
1507 | /* Send the message. The message is just added to the outgoing | |
1508 | message queue. */ | |
1509 | if (!dbus_connection_send (connection, dmessage, NULL)) | |
dcbf5805 MA |
1510 | { |
1511 | UNGCPRO; | |
1512 | XD_SIGNAL1 (build_string ("Cannot send message")); | |
1513 | } | |
13ecc6dc | 1514 | |
ca4f31ea MA |
1515 | result = Qnil; |
1516 | } | |
1517 | ||
dcbf5805 | 1518 | XD_DEBUG_MESSAGE ("Message sent: %s", XD_OBJECT_TO_STRING (result)); |
13ecc6dc MA |
1519 | |
1520 | /* Cleanup. */ | |
1521 | dbus_message_unref (dmessage); | |
1522 | ||
1523 | /* Return the result. */ | |
1524 | RETURN_UNGCPRO (result); | |
1525 | } | |
1526 | ||
3fad2ad2 J |
1527 | /* Read one queued incoming message of the D-Bus BUS. |
1528 | BUS is either a Lisp symbol, :system or :session, or a string denoting | |
1529 | the bus address. */ | |
3fad2ad2 J |
1530 | static void |
1531 | xd_read_message_1 (DBusConnection *connection, Lisp_Object bus) | |
033b73e2 | 1532 | { |
a31d47c7 | 1533 | Lisp_Object args, key, value; |
033b73e2 | 1534 | struct gcpro gcpro1; |
15f16c1b | 1535 | struct input_event event; |
033b73e2 MA |
1536 | DBusMessage *dmessage; |
1537 | DBusMessageIter iter; | |
243e0530 PE |
1538 | int dtype; |
1539 | int mtype; | |
30217ff0 | 1540 | dbus_uint32_t serial; |
08686060 | 1541 | unsigned int ui_serial; |
a8e72f4f | 1542 | const char *uname, *path, *interface, *member; |
39abdd4a | 1543 | |
033b73e2 MA |
1544 | dmessage = dbus_connection_pop_message (connection); |
1545 | ||
1546 | /* Return if there is no queued message. */ | |
1547 | if (dmessage == NULL) | |
3fad2ad2 | 1548 | return; |
033b73e2 MA |
1549 | |
1550 | /* Collect the parameters. */ | |
a31d47c7 MA |
1551 | args = Qnil; |
1552 | GCPRO1 (args); | |
033b73e2 | 1553 | |
033b73e2 | 1554 | /* Loop over the resulting parameters. Construct a list. */ |
17bc8f94 | 1555 | if (dbus_message_iter_init (dmessage, &iter)) |
033b73e2 | 1556 | { |
17bc8f94 MA |
1557 | while ((dtype = dbus_message_iter_get_arg_type (&iter)) |
1558 | != DBUS_TYPE_INVALID) | |
1559 | { | |
1560 | args = Fcons (xd_retrieve_arg (dtype, &iter), args); | |
1561 | dbus_message_iter_next (&iter); | |
1562 | } | |
1563 | /* The arguments are stored in reverse order. Reorder them. */ | |
1564 | args = Fnreverse (args); | |
033b73e2 MA |
1565 | } |
1566 | ||
13ecc6dc MA |
1567 | /* Read message type, message serial, unique name, object path, |
1568 | interface and member from the message. */ | |
367ea173 | 1569 | mtype = dbus_message_get_type (dmessage); |
08686060 | 1570 | ui_serial = serial = |
367ea173 MA |
1571 | ((mtype == DBUS_MESSAGE_TYPE_METHOD_RETURN) |
1572 | || (mtype == DBUS_MESSAGE_TYPE_ERROR)) | |
1573 | ? dbus_message_get_reply_serial (dmessage) | |
1574 | : dbus_message_get_serial (dmessage); | |
1575 | uname = dbus_message_get_sender (dmessage); | |
1576 | path = dbus_message_get_path (dmessage); | |
a8e72f4f | 1577 | interface = dbus_message_get_interface (dmessage); |
367ea173 | 1578 | member = dbus_message_get_member (dmessage); |
a8e72f4f | 1579 | |
30217ff0 | 1580 | XD_DEBUG_MESSAGE ("Event received: %s %u %s %s %s %s %s", |
dcbf5805 | 1581 | XD_MESSAGE_TYPE_TO_STRING (mtype), |
08686060 | 1582 | ui_serial, uname, path, interface, member, |
dcbf5805 | 1583 | XD_OBJECT_TO_STRING (args)); |
17bc8f94 | 1584 | |
dcbf5805 MA |
1585 | if (mtype == DBUS_MESSAGE_TYPE_INVALID) |
1586 | goto cleanup; | |
1587 | ||
1588 | else if ((mtype == DBUS_MESSAGE_TYPE_METHOD_RETURN) | |
1589 | || (mtype == DBUS_MESSAGE_TYPE_ERROR)) | |
13ecc6dc MA |
1590 | { |
1591 | /* Search for a registered function of the message. */ | |
dcbf5805 MA |
1592 | key = list3 (QCdbus_registered_serial, bus, |
1593 | make_fixnum_or_float (serial)); | |
f04bb9b2 | 1594 | value = Fgethash (key, Vdbus_registered_objects_table, Qnil); |
13ecc6dc MA |
1595 | |
1596 | /* There shall be exactly one entry. Construct an event. */ | |
1597 | if (NILP (value)) | |
1598 | goto cleanup; | |
1599 | ||
1600 | /* Remove the entry. */ | |
f04bb9b2 | 1601 | Fremhash (key, Vdbus_registered_objects_table); |
13ecc6dc MA |
1602 | |
1603 | /* Construct an event. */ | |
1604 | EVENT_INIT (event); | |
1605 | event.kind = DBUS_EVENT; | |
1606 | event.frame_or_window = Qnil; | |
1607 | event.arg = Fcons (value, args); | |
1608 | } | |
a31d47c7 | 1609 | |
dcbf5805 | 1610 | else /* DBUS_MESSAGE_TYPE_METHOD_CALL, DBUS_MESSAGE_TYPE_SIGNAL. */ |
a31d47c7 | 1611 | { |
f04bb9b2 MA |
1612 | /* Vdbus_registered_objects_table requires non-nil interface and |
1613 | member. */ | |
13ecc6dc MA |
1614 | if ((interface == NULL) || (member == NULL)) |
1615 | goto cleanup; | |
1616 | ||
1617 | /* Search for a registered function of the message. */ | |
dcbf5805 MA |
1618 | key = list4 ((mtype == DBUS_MESSAGE_TYPE_METHOD_CALL) |
1619 | ? QCdbus_registered_method | |
1620 | : QCdbus_registered_signal, | |
1621 | bus, build_string (interface), build_string (member)); | |
f04bb9b2 | 1622 | value = Fgethash (key, Vdbus_registered_objects_table, Qnil); |
13ecc6dc MA |
1623 | |
1624 | /* Loop over the registered functions. Construct an event. */ | |
1625 | while (!NILP (value)) | |
a31d47c7 | 1626 | { |
13ecc6dc MA |
1627 | key = CAR_SAFE (value); |
1628 | /* key has the structure (UNAME SERVICE PATH HANDLER). */ | |
1629 | if (((uname == NULL) | |
1630 | || (NILP (CAR_SAFE (key))) | |
59d6fe83 | 1631 | || (strcmp (uname, SSDATA (CAR_SAFE (key))) == 0)) |
13ecc6dc MA |
1632 | && ((path == NULL) |
1633 | || (NILP (CAR_SAFE (CDR_SAFE (CDR_SAFE (key))))) | |
1634 | || (strcmp (path, | |
59d6fe83 | 1635 | SSDATA (CAR_SAFE (CDR_SAFE (CDR_SAFE (key))))) |
13ecc6dc MA |
1636 | == 0)) |
1637 | && (!NILP (CAR_SAFE (CDR_SAFE (CDR_SAFE (CDR_SAFE (key))))))) | |
1638 | { | |
1639 | EVENT_INIT (event); | |
1640 | event.kind = DBUS_EVENT; | |
1641 | event.frame_or_window = Qnil; | |
b4289b64 MA |
1642 | event.arg |
1643 | = Fcons (CAR_SAFE (CDR_SAFE (CDR_SAFE (CDR_SAFE (key)))), args); | |
13ecc6dc MA |
1644 | break; |
1645 | } | |
1646 | value = CDR_SAFE (value); | |
a31d47c7 | 1647 | } |
13ecc6dc MA |
1648 | |
1649 | if (NILP (value)) | |
1650 | goto cleanup; | |
a31d47c7 | 1651 | } |
033b73e2 | 1652 | |
13ecc6dc MA |
1653 | /* Add type, serial, uname, path, interface and member to the event. */ |
1654 | event.arg = Fcons ((member == NULL ? Qnil : build_string (member)), | |
1655 | event.arg); | |
1656 | event.arg = Fcons ((interface == NULL ? Qnil : build_string (interface)), | |
1657 | event.arg); | |
1658 | event.arg = Fcons ((path == NULL ? Qnil : build_string (path)), | |
1659 | event.arg); | |
1660 | event.arg = Fcons ((uname == NULL ? Qnil : build_string (uname)), | |
1661 | event.arg); | |
08686060 | 1662 | event.arg = Fcons (make_fixnum_or_float (serial), event.arg); |
13ecc6dc MA |
1663 | event.arg = Fcons (make_number (mtype), event.arg); |
1664 | ||
1665 | /* Add the bus symbol to the event. */ | |
1666 | event.arg = Fcons (bus, event.arg); | |
1667 | ||
1668 | /* Store it into the input event queue. */ | |
1669 | kbd_buffer_store_event (&event); | |
1670 | ||
dcbf5805 | 1671 | XD_DEBUG_MESSAGE ("Event stored: %s", XD_OBJECT_TO_STRING (event.arg)); |
13ecc6dc | 1672 | |
c1d5ce94 | 1673 | /* Cleanup. */ |
a8e72f4f | 1674 | cleanup: |
033b73e2 | 1675 | dbus_message_unref (dmessage); |
c1d5ce94 | 1676 | |
3fad2ad2 J |
1677 | UNGCPRO; |
1678 | } | |
1679 | ||
1680 | /* Read queued incoming messages of the D-Bus BUS. | |
1681 | BUS is either a Lisp symbol, :system or :session, or a string denoting | |
1682 | the bus address. */ | |
3fad2ad2 J |
1683 | static Lisp_Object |
1684 | xd_read_message (Lisp_Object bus) | |
1685 | { | |
dcbf5805 MA |
1686 | /* Retrieve bus address. */ |
1687 | DBusConnection *connection = xd_get_connection_address (bus); | |
3fad2ad2 J |
1688 | |
1689 | /* Non blocking read of the next available message. */ | |
1690 | dbus_connection_read_write (connection, 0); | |
1691 | ||
1692 | while (dbus_connection_get_dispatch_status (connection) | |
1693 | != DBUS_DISPATCH_COMPLETE) | |
1694 | xd_read_message_1 (connection, bus); | |
1695 | return Qnil; | |
033b73e2 MA |
1696 | } |
1697 | ||
08609ffd MA |
1698 | /* Callback called when something is ready to read or write. */ |
1699 | static void | |
de1339b0 | 1700 | xd_read_queued_messages (int fd, void *data) |
033b73e2 | 1701 | { |
5cb67954 | 1702 | Lisp_Object busp = xd_registered_buses; |
08609ffd | 1703 | Lisp_Object bus = Qnil; |
dcbf5805 | 1704 | Lisp_Object key; |
96faeb40 | 1705 | |
08609ffd MA |
1706 | /* Find bus related to fd. */ |
1707 | if (data != NULL) | |
1708 | while (!NILP (busp)) | |
1709 | { | |
dcbf5805 MA |
1710 | key = CAR_SAFE (CAR_SAFE (busp)); |
1711 | if ((SYMBOLP (key) && XSYMBOL (key) == data) | |
1712 | || (STRINGP (key) && XSTRING (key) == data)) | |
1713 | bus = key; | |
08609ffd MA |
1714 | busp = CDR_SAFE (busp); |
1715 | } | |
1716 | ||
5e617bc2 | 1717 | if (NILP (bus)) |
08609ffd MA |
1718 | return; |
1719 | ||
1720 | /* We ignore all Lisp errors during the call. */ | |
0c372655 | 1721 | xd_in_read_queued_messages = 1; |
08609ffd | 1722 | internal_catch (Qdbus_error, xd_read_message, bus); |
0c372655 | 1723 | xd_in_read_queued_messages = 0; |
033b73e2 MA |
1724 | } |
1725 | ||
033b73e2 MA |
1726 | \f |
1727 | void | |
971de7fb | 1728 | syms_of_dbusbind (void) |
033b73e2 MA |
1729 | { |
1730 | ||
cd3520a4 | 1731 | DEFSYM (Qdbus_init_bus, "dbus-init-bus"); |
058ed861 MA |
1732 | defsubr (&Sdbus_init_bus); |
1733 | ||
cd3520a4 | 1734 | DEFSYM (Qdbus_get_unique_name, "dbus-get-unique-name"); |
033b73e2 MA |
1735 | defsubr (&Sdbus_get_unique_name); |
1736 | ||
dcbf5805 MA |
1737 | DEFSYM (Qdbus_message_internal, "dbus-message-internal"); |
1738 | defsubr (&Sdbus_message_internal); | |
17bc8f94 | 1739 | |
cd3520a4 | 1740 | DEFSYM (Qdbus_error, "dbus-error"); |
033b73e2 MA |
1741 | Fput (Qdbus_error, Qerror_conditions, |
1742 | list2 (Qdbus_error, Qerror)); | |
1743 | Fput (Qdbus_error, Qerror_message, | |
2a0213a6 | 1744 | build_pure_c_string ("D-Bus error")); |
033b73e2 | 1745 | |
cd3520a4 JB |
1746 | DEFSYM (QCdbus_system_bus, ":system"); |
1747 | DEFSYM (QCdbus_session_bus, ":session"); | |
cd3520a4 JB |
1748 | DEFSYM (QCdbus_timeout, ":timeout"); |
1749 | DEFSYM (QCdbus_type_byte, ":byte"); | |
1750 | DEFSYM (QCdbus_type_boolean, ":boolean"); | |
1751 | DEFSYM (QCdbus_type_int16, ":int16"); | |
1752 | DEFSYM (QCdbus_type_uint16, ":uint16"); | |
1753 | DEFSYM (QCdbus_type_int32, ":int32"); | |
1754 | DEFSYM (QCdbus_type_uint32, ":uint32"); | |
1755 | DEFSYM (QCdbus_type_int64, ":int64"); | |
1756 | DEFSYM (QCdbus_type_uint64, ":uint64"); | |
1757 | DEFSYM (QCdbus_type_double, ":double"); | |
1758 | DEFSYM (QCdbus_type_string, ":string"); | |
1759 | DEFSYM (QCdbus_type_object_path, ":object-path"); | |
1760 | DEFSYM (QCdbus_type_signature, ":signature"); | |
da1fec2b | 1761 | #ifdef DBUS_TYPE_UNIX_FD |
cd3520a4 | 1762 | DEFSYM (QCdbus_type_unix_fd, ":unix-fd"); |
da1fec2b | 1763 | #endif |
cd3520a4 JB |
1764 | DEFSYM (QCdbus_type_array, ":array"); |
1765 | DEFSYM (QCdbus_type_variant, ":variant"); | |
1766 | DEFSYM (QCdbus_type_struct, ":struct"); | |
1767 | DEFSYM (QCdbus_type_dict_entry, ":dict-entry"); | |
dcbf5805 MA |
1768 | DEFSYM (QCdbus_registered_serial, ":serial"); |
1769 | DEFSYM (QCdbus_registered_method, ":method"); | |
1770 | DEFSYM (QCdbus_registered_signal, ":signal"); | |
1771 | ||
1772 | DEFVAR_LISP ("dbus-compiled-version", | |
1773 | Vdbus_compiled_version, | |
1774 | doc: /* The version of D-Bus Emacs is compiled against. */); | |
1775 | #ifdef DBUS_VERSION_STRING | |
2a0213a6 | 1776 | Vdbus_compiled_version = build_pure_c_string (DBUS_VERSION_STRING); |
dcbf5805 MA |
1777 | #else |
1778 | Vdbus_compiled_version = Qnil; | |
1779 | #endif | |
54371585 | 1780 | |
dcbf5805 MA |
1781 | DEFVAR_LISP ("dbus-runtime-version", |
1782 | Vdbus_runtime_version, | |
1783 | doc: /* The version of D-Bus Emacs runs with. */); | |
1784 | { | |
1785 | #ifdef DBUS_VERSION | |
1786 | int major, minor, micro; | |
243e0530 | 1787 | char s[sizeof ".." + 3 * INT_STRLEN_BOUND (int)]; |
dcbf5805 | 1788 | dbus_get_version (&major, &minor, µ); |
a8290ec3 DA |
1789 | Vdbus_runtime_version |
1790 | = make_formatted_string (s, "%d.%d.%d", major, minor, micro); | |
dcbf5805 MA |
1791 | #else |
1792 | Vdbus_runtime_version = Qnil; | |
1793 | #endif | |
1794 | } | |
1795 | ||
1796 | DEFVAR_LISP ("dbus-message-type-invalid", | |
1797 | Vdbus_message_type_invalid, | |
1798 | doc: /* This value is never a valid message type. */); | |
1799 | Vdbus_message_type_invalid = make_number (DBUS_MESSAGE_TYPE_INVALID); | |
1800 | ||
1801 | DEFVAR_LISP ("dbus-message-type-method-call", | |
1802 | Vdbus_message_type_method_call, | |
1803 | doc: /* Message type of a method call message. */); | |
1804 | Vdbus_message_type_method_call = make_number (DBUS_MESSAGE_TYPE_METHOD_CALL); | |
1805 | ||
1806 | DEFVAR_LISP ("dbus-message-type-method-return", | |
1807 | Vdbus_message_type_method_return, | |
1808 | doc: /* Message type of a method return message. */); | |
1809 | Vdbus_message_type_method_return | |
1810 | = make_number (DBUS_MESSAGE_TYPE_METHOD_RETURN); | |
1811 | ||
1812 | DEFVAR_LISP ("dbus-message-type-error", | |
1813 | Vdbus_message_type_error, | |
1814 | doc: /* Message type of an error reply message. */); | |
1815 | Vdbus_message_type_error = make_number (DBUS_MESSAGE_TYPE_ERROR); | |
1816 | ||
1817 | DEFVAR_LISP ("dbus-message-type-signal", | |
1818 | Vdbus_message_type_signal, | |
1819 | doc: /* Message type of a signal message. */); | |
1820 | Vdbus_message_type_signal = make_number (DBUS_MESSAGE_TYPE_SIGNAL); | |
0c372655 | 1821 | |
f04bb9b2 | 1822 | DEFVAR_LISP ("dbus-registered-objects-table", |
29208e82 | 1823 | Vdbus_registered_objects_table, |
39abdd4a | 1824 | doc: /* Hash table of registered functions for D-Bus. |
0c372655 | 1825 | |
f04bb9b2 MA |
1826 | There are two different uses of the hash table: for accessing |
1827 | registered interfaces properties, targeted by signals or method calls, | |
1828 | and for calling handlers in case of non-blocking method call returns. | |
13ecc6dc | 1829 | |
dcbf5805 MA |
1830 | In the first case, the key in the hash table is the list (TYPE BUS |
1831 | INTERFACE MEMBER). TYPE is one of the Lisp symbols `:method', | |
1832 | `:signal' or `:property'. BUS is either a Lisp symbol, `:system' or | |
0c372655 MA |
1833 | `:session', or a string denoting the bus address. INTERFACE is a |
1834 | string which denotes a D-Bus interface, and MEMBER, also a string, is | |
1835 | either a method, a signal or a property INTERFACE is offering. All | |
1836 | arguments but BUS must not be nil. | |
a31d47c7 | 1837 | |
dcbf5805 MA |
1838 | The value in the hash table is a list of quadruple lists \((UNAME |
1839 | SERVICE PATH OBJECT [RULE]) ...). SERVICE is the service name as | |
1840 | registered, UNAME is the corresponding unique name. In case of | |
1841 | registered methods and properties, UNAME is nil. PATH is the object | |
1842 | path of the sending object. All of them can be nil, which means a | |
1843 | wildcard then. OBJECT is either the handler to be called when a D-Bus | |
1844 | message, which matches the key criteria, arrives (TYPE `:method' and | |
1845 | `:signal'), or a cons cell containing the value of the property (TYPE | |
1846 | `:property'). | |
13ecc6dc | 1847 | |
dcbf5805 MA |
1848 | For entries of type `:signal', there is also a fifth element RULE, |
1849 | which keeps the match string the signal is registered with. | |
a3de0cbd | 1850 | |
dcbf5805 | 1851 | In the second case, the key in the hash table is the list (:serial BUS |
0c372655 MA |
1852 | SERIAL). BUS is either a Lisp symbol, `:system' or `:session', or a |
1853 | string denoting the bus address. SERIAL is the serial number of the | |
1854 | non-blocking method call, a reply is expected. Both arguments must | |
1855 | not be nil. The value in the hash table is HANDLER, the function to | |
1856 | be called when the D-Bus reply message arrives. */); | |
1857 | { | |
1858 | Lisp_Object args[2]; | |
1859 | args[0] = QCtest; | |
1860 | args[1] = Qequal; | |
1861 | Vdbus_registered_objects_table = Fmake_hash_table (2, args); | |
1862 | } | |
033b73e2 | 1863 | |
29208e82 | 1864 | DEFVAR_LISP ("dbus-debug", Vdbus_debug, |
39abdd4a | 1865 | doc: /* If non-nil, debug messages of D-Bus bindings are raised. */); |
033b73e2 MA |
1866 | #ifdef DBUS_DEBUG |
1867 | Vdbus_debug = Qt; | |
a79b0f28 MA |
1868 | /* We can also set environment variable DBUS_VERBOSE=1 in order to |
1869 | see more traces. This requires libdbus-1 to be configured with | |
1870 | --enable-verbose-mode. */ | |
033b73e2 MA |
1871 | #else |
1872 | Vdbus_debug = Qnil; | |
1873 | #endif | |
1874 | ||
5cb67954 MA |
1875 | /* Initialize internal objects. */ |
1876 | xd_registered_buses = Qnil; | |
1877 | staticpro (&xd_registered_buses); | |
1878 | ||
d67b4f80 | 1879 | Fprovide (intern_c_string ("dbusbind"), Qnil); |
033b73e2 MA |
1880 | |
1881 | } | |
1882 | ||
1883 | #endif /* HAVE_DBUS */ |