Emeric Vigier | 2f62582 | 2012-08-06 11:09:52 -0400 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * D-Bus++ - C++ bindings for D-Bus |
| 4 | * |
| 5 | * Copyright (C) 2005-2007 Paolo Durante <shackan@gmail.com> |
| 6 | * |
| 7 | * |
| 8 | * This library is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU Lesser General Public |
| 10 | * License as published by the Free Software Foundation; either |
| 11 | * version 2.1 of the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This library is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * Lesser General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Lesser General Public |
| 19 | * License along with this library; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #ifdef HAVE_CONFIG_H |
| 25 | #include <config.h> |
| 26 | #endif |
| 27 | |
| 28 | #include <dbus-c++/message.h> |
| 29 | |
| 30 | #include <dbus/dbus.h> |
| 31 | #include <cstdlib> |
| 32 | |
| 33 | #include "internalerror.h" |
| 34 | #include "message_p.h" |
| 35 | |
| 36 | using namespace DBus; |
| 37 | |
| 38 | /* |
| 39 | */ |
| 40 | |
| 41 | int MessageIter::type() |
| 42 | { |
| 43 | return dbus_message_iter_get_arg_type((DBusMessageIter *)&_iter); |
| 44 | } |
| 45 | |
| 46 | bool MessageIter::at_end() |
| 47 | { |
| 48 | return type() == DBUS_TYPE_INVALID; |
| 49 | } |
| 50 | |
| 51 | bool MessageIter::has_next() |
| 52 | { |
| 53 | return dbus_message_iter_has_next((DBusMessageIter *)&_iter); |
| 54 | } |
| 55 | |
| 56 | MessageIter &MessageIter::operator ++() |
| 57 | { |
| 58 | dbus_message_iter_next((DBusMessageIter *)&_iter); |
| 59 | return (*this); |
| 60 | } |
| 61 | |
| 62 | MessageIter MessageIter::operator ++(int) |
| 63 | { |
| 64 | MessageIter copy(*this); |
| 65 | ++(*this); |
| 66 | return copy; |
| 67 | } |
| 68 | |
| 69 | bool MessageIter::append_basic(int type_id, void *value) |
| 70 | { |
| 71 | return dbus_message_iter_append_basic((DBusMessageIter *)&_iter, type_id, value); |
| 72 | } |
| 73 | |
| 74 | void MessageIter::get_basic(int type_id, void *ptr) |
| 75 | { |
| 76 | if (type() != type_id) |
| 77 | throw ErrorInvalidArgs("type mismatch"); |
| 78 | |
| 79 | dbus_message_iter_get_basic((DBusMessageIter *)_iter, ptr); |
| 80 | } |
| 81 | |
| 82 | bool MessageIter::append_byte(unsigned char b) |
| 83 | { |
| 84 | return append_basic(DBUS_TYPE_BYTE, &b); |
| 85 | } |
| 86 | |
| 87 | unsigned char MessageIter::get_byte() |
| 88 | { |
| 89 | unsigned char b; |
| 90 | get_basic(DBUS_TYPE_BYTE, &b); |
| 91 | return b; |
| 92 | } |
| 93 | |
| 94 | bool MessageIter::append_bool(bool b) |
| 95 | { |
| 96 | dbus_bool_t db = b; |
| 97 | return append_basic(DBUS_TYPE_BOOLEAN, &db); |
| 98 | } |
| 99 | |
| 100 | bool MessageIter::get_bool() |
| 101 | { |
| 102 | dbus_bool_t db; |
| 103 | get_basic(DBUS_TYPE_BOOLEAN, &db); |
| 104 | return (bool)db; |
| 105 | } |
| 106 | |
| 107 | bool MessageIter::append_int16(signed short i) |
| 108 | { |
| 109 | return append_basic(DBUS_TYPE_INT16, &i); |
| 110 | } |
| 111 | |
| 112 | signed short MessageIter::get_int16() |
| 113 | { |
| 114 | signed short i; |
| 115 | get_basic(DBUS_TYPE_INT16, &i); |
| 116 | return i; |
| 117 | } |
| 118 | |
| 119 | bool MessageIter::append_uint16(unsigned short u) |
| 120 | { |
| 121 | return append_basic(DBUS_TYPE_UINT16, &u); |
| 122 | } |
| 123 | |
| 124 | unsigned short MessageIter::get_uint16() |
| 125 | { |
| 126 | unsigned short u; |
| 127 | get_basic(DBUS_TYPE_UINT16, &u); |
| 128 | return u; |
| 129 | } |
| 130 | |
| 131 | bool MessageIter::append_int32(signed int i) |
| 132 | { |
| 133 | return append_basic(DBUS_TYPE_INT32, &i); |
| 134 | } |
| 135 | |
| 136 | signed int MessageIter::get_int32() |
| 137 | { |
| 138 | signed int i; |
| 139 | get_basic(DBUS_TYPE_INT32, &i); |
| 140 | return i; |
| 141 | } |
| 142 | |
| 143 | bool MessageIter::append_uint32(unsigned int u) |
| 144 | { |
| 145 | return append_basic(DBUS_TYPE_UINT32, &u); |
| 146 | } |
| 147 | |
| 148 | unsigned int MessageIter::get_uint32() |
| 149 | { |
| 150 | unsigned int u; |
| 151 | get_basic(DBUS_TYPE_UINT32, &u); |
| 152 | return u; |
| 153 | } |
| 154 | |
| 155 | signed long long MessageIter::get_int64() |
| 156 | { |
| 157 | signed long long i; |
| 158 | get_basic(DBUS_TYPE_INT64, &i); |
| 159 | return i; |
| 160 | } |
| 161 | |
| 162 | bool MessageIter::append_int64(signed long long i) |
| 163 | { |
| 164 | return append_basic(DBUS_TYPE_INT64, &i); |
| 165 | } |
| 166 | |
| 167 | unsigned long long MessageIter::get_uint64() |
| 168 | { |
| 169 | unsigned long long u; |
| 170 | get_basic(DBUS_TYPE_UINT64, &u); |
| 171 | return u; |
| 172 | } |
| 173 | |
| 174 | bool MessageIter::append_uint64(unsigned long long u) |
| 175 | { |
| 176 | return append_basic(DBUS_TYPE_UINT64, &u); |
| 177 | } |
| 178 | |
| 179 | double MessageIter::get_double() |
| 180 | { |
| 181 | double d; |
| 182 | get_basic(DBUS_TYPE_DOUBLE, &d); |
| 183 | return d; |
| 184 | } |
| 185 | |
| 186 | bool MessageIter::append_double(double d) |
| 187 | { |
| 188 | return append_basic(DBUS_TYPE_DOUBLE, &d); |
| 189 | } |
| 190 | |
| 191 | bool MessageIter::append_string(const char *chars) |
| 192 | { |
| 193 | return append_basic(DBUS_TYPE_STRING, &chars); |
| 194 | } |
| 195 | |
| 196 | const char *MessageIter::get_string() |
| 197 | { |
| 198 | char *chars; |
| 199 | get_basic(DBUS_TYPE_STRING, &chars); |
| 200 | return chars; |
| 201 | } |
| 202 | |
| 203 | bool MessageIter::append_path(const char *chars) |
| 204 | { |
| 205 | return append_basic(DBUS_TYPE_OBJECT_PATH, &chars); |
| 206 | } |
| 207 | |
| 208 | const char *MessageIter::get_path() |
| 209 | { |
| 210 | char *chars; |
| 211 | get_basic(DBUS_TYPE_OBJECT_PATH, &chars); |
| 212 | return chars; |
| 213 | } |
| 214 | |
| 215 | bool MessageIter::append_signature(const char *chars) |
| 216 | { |
| 217 | return append_basic(DBUS_TYPE_SIGNATURE, &chars); |
| 218 | } |
| 219 | |
| 220 | const char *MessageIter::get_signature() |
| 221 | { |
| 222 | char *chars; |
| 223 | get_basic(DBUS_TYPE_SIGNATURE, &chars); |
| 224 | return chars; |
| 225 | } |
| 226 | |
| 227 | MessageIter MessageIter::recurse() |
| 228 | { |
| 229 | MessageIter iter(msg()); |
| 230 | dbus_message_iter_recurse((DBusMessageIter *)&_iter, (DBusMessageIter *) & (iter._iter)); |
| 231 | return iter; |
| 232 | } |
| 233 | |
| 234 | char *MessageIter::signature() const |
| 235 | { |
| 236 | return dbus_message_iter_get_signature((DBusMessageIter *)&_iter); |
| 237 | } |
| 238 | |
| 239 | bool MessageIter::append_array(char type, const void *ptr, size_t length) |
| 240 | { |
| 241 | return dbus_message_iter_append_fixed_array((DBusMessageIter *)&_iter, type, &ptr, length); |
| 242 | } |
| 243 | |
| 244 | int MessageIter::array_type() |
| 245 | { |
| 246 | return dbus_message_iter_get_element_type((DBusMessageIter *)&_iter); |
| 247 | } |
| 248 | |
| 249 | int MessageIter::get_array(void *ptr) |
| 250 | { |
| 251 | int length; |
| 252 | dbus_message_iter_get_fixed_array((DBusMessageIter *)&_iter, ptr, &length); |
| 253 | return length; |
| 254 | } |
| 255 | |
| 256 | bool MessageIter::is_array() |
| 257 | { |
| 258 | return dbus_message_iter_get_arg_type((DBusMessageIter *)&_iter) == DBUS_TYPE_ARRAY; |
| 259 | } |
| 260 | |
| 261 | bool MessageIter::is_dict() |
| 262 | { |
| 263 | return is_array() && dbus_message_iter_get_element_type((DBusMessageIter *)_iter) == DBUS_TYPE_DICT_ENTRY; |
| 264 | } |
| 265 | |
| 266 | MessageIter MessageIter::new_array(const char *sig) |
| 267 | { |
| 268 | MessageIter arr(msg()); |
| 269 | dbus_message_iter_open_container( |
| 270 | (DBusMessageIter *)&_iter, DBUS_TYPE_ARRAY, sig, (DBusMessageIter *) & (arr._iter) |
| 271 | ); |
| 272 | return arr; |
| 273 | } |
| 274 | |
| 275 | MessageIter MessageIter::new_variant(const char *sig) |
| 276 | { |
| 277 | MessageIter var(msg()); |
| 278 | dbus_message_iter_open_container( |
| 279 | (DBusMessageIter *)_iter, DBUS_TYPE_VARIANT, sig, (DBusMessageIter *) & (var._iter) |
| 280 | ); |
| 281 | return var; |
| 282 | } |
| 283 | |
| 284 | MessageIter MessageIter::new_struct() |
| 285 | { |
| 286 | MessageIter stu(msg()); |
| 287 | dbus_message_iter_open_container( |
| 288 | (DBusMessageIter *)_iter, DBUS_TYPE_STRUCT, NULL, (DBusMessageIter *) & (stu._iter) |
| 289 | ); |
| 290 | return stu; |
| 291 | } |
| 292 | |
| 293 | MessageIter MessageIter::new_dict_entry() |
| 294 | { |
| 295 | MessageIter ent(msg()); |
| 296 | dbus_message_iter_open_container( |
| 297 | (DBusMessageIter *)_iter, DBUS_TYPE_DICT_ENTRY, NULL, (DBusMessageIter *) & (ent._iter) |
| 298 | ); |
| 299 | return ent; |
| 300 | } |
| 301 | |
| 302 | void MessageIter::close_container(MessageIter &container) |
| 303 | { |
| 304 | dbus_message_iter_close_container((DBusMessageIter *)&_iter, (DBusMessageIter *) & (container._iter)); |
| 305 | } |
| 306 | |
| 307 | static bool is_basic_type(int typecode) |
| 308 | { |
| 309 | switch (typecode) |
| 310 | { |
| 311 | case 'y': |
| 312 | case 'b': |
| 313 | case 'n': |
| 314 | case 'q': |
| 315 | case 'i': |
| 316 | case 'u': |
| 317 | case 'x': |
| 318 | case 't': |
| 319 | case 'd': |
| 320 | case 's': |
| 321 | case 'o': |
| 322 | case 'g': |
| 323 | return true; |
| 324 | default: |
| 325 | return false; |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | void MessageIter::copy_data(MessageIter &to) |
| 330 | { |
| 331 | for (MessageIter &from = *this; !from.at_end(); ++from) |
| 332 | { |
| 333 | if (is_basic_type(from.type())) |
| 334 | { |
| 335 | debug_log("copying basic type: %c", from.type()); |
| 336 | |
| 337 | unsigned char value[8]; |
| 338 | from.get_basic(from.type(), &value); |
| 339 | to.append_basic(from.type(), &value); |
| 340 | } |
| 341 | else |
| 342 | { |
| 343 | MessageIter from_container = from.recurse(); |
| 344 | char *sig = from_container.signature(); |
| 345 | |
| 346 | debug_log("copying compound type: %c[%s]", from.type(), sig); |
| 347 | |
| 348 | MessageIter to_container(to.msg()); |
| 349 | dbus_message_iter_open_container |
| 350 | ( |
| 351 | (DBusMessageIter *) & (to._iter), |
| 352 | from.type(), |
| 353 | from.type() == DBUS_TYPE_VARIANT ? NULL : sig, |
| 354 | (DBusMessageIter *) & (to_container._iter) |
| 355 | ); |
| 356 | |
| 357 | from_container.copy_data(to_container); |
| 358 | to.close_container(to_container); |
| 359 | free(sig); |
| 360 | } |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | /* |
| 365 | */ |
| 366 | |
| 367 | Message::Message() |
| 368 | : _pvt(new Private) |
| 369 | { |
| 370 | } |
| 371 | |
| 372 | Message::Message(Message::Private *p, bool incref) |
| 373 | : _pvt(p) |
| 374 | { |
| 375 | if (_pvt->msg && incref) dbus_message_ref(_pvt->msg); |
| 376 | } |
| 377 | |
| 378 | Message::Message(const Message &m) |
| 379 | : _pvt(m._pvt) |
| 380 | { |
| 381 | dbus_message_ref(_pvt->msg); |
| 382 | } |
| 383 | |
| 384 | Message::~Message() |
| 385 | { |
| 386 | dbus_message_unref(_pvt->msg); |
| 387 | } |
| 388 | |
| 389 | Message &Message::operator = (const Message &m) |
| 390 | { |
| 391 | if (&m != this) |
| 392 | { |
| 393 | dbus_message_unref(_pvt->msg); |
| 394 | _pvt = m._pvt; |
| 395 | dbus_message_ref(_pvt->msg); |
| 396 | } |
| 397 | return *this; |
| 398 | } |
| 399 | |
| 400 | Message Message::copy() |
| 401 | { |
| 402 | Private *pvt = new Private(dbus_message_copy(_pvt->msg)); |
| 403 | return Message(pvt); |
| 404 | } |
| 405 | |
| 406 | bool Message::append(int first_type, ...) |
| 407 | { |
| 408 | va_list vl; |
| 409 | va_start(vl, first_type); |
| 410 | |
| 411 | bool b = dbus_message_append_args_valist(_pvt->msg, first_type, vl); |
| 412 | |
| 413 | va_end(vl); |
| 414 | return b; |
| 415 | } |
| 416 | |
| 417 | void Message::terminate() |
| 418 | { |
| 419 | dbus_message_append_args(_pvt->msg, DBUS_TYPE_INVALID); |
| 420 | } |
| 421 | |
| 422 | int Message::type() const |
| 423 | { |
| 424 | return dbus_message_get_type(_pvt->msg); |
| 425 | } |
| 426 | |
| 427 | int Message::serial() const |
| 428 | { |
| 429 | return dbus_message_get_serial(_pvt->msg); |
| 430 | } |
| 431 | |
| 432 | int Message::reply_serial() const |
| 433 | { |
| 434 | return dbus_message_get_reply_serial(_pvt->msg); |
| 435 | } |
| 436 | |
| 437 | bool Message::reply_serial(int s) |
| 438 | { |
| 439 | return dbus_message_set_reply_serial(_pvt->msg, s); |
| 440 | } |
| 441 | |
| 442 | const char *Message::sender() const |
| 443 | { |
| 444 | return dbus_message_get_sender(_pvt->msg); |
| 445 | } |
| 446 | |
| 447 | bool Message::sender(const char *s) |
| 448 | { |
| 449 | return dbus_message_set_sender(_pvt->msg, s); |
| 450 | } |
| 451 | |
| 452 | const char *Message::destination() const |
| 453 | { |
| 454 | return dbus_message_get_destination(_pvt->msg); |
| 455 | } |
| 456 | |
| 457 | bool Message::destination(const char *s) |
| 458 | { |
| 459 | return dbus_message_set_destination(_pvt->msg, s); |
| 460 | } |
| 461 | |
| 462 | bool Message::is_error() const |
| 463 | { |
| 464 | return type() == DBUS_MESSAGE_TYPE_ERROR; |
| 465 | } |
| 466 | |
| 467 | bool Message::is_signal(const char *interface, const char *member) const |
| 468 | { |
| 469 | return dbus_message_is_signal(_pvt->msg, interface, member); |
| 470 | } |
| 471 | |
| 472 | MessageIter Message::writer() |
| 473 | { |
| 474 | MessageIter iter(*this); |
| 475 | dbus_message_iter_init_append(_pvt->msg, (DBusMessageIter *) & (iter._iter)); |
| 476 | return iter; |
| 477 | } |
| 478 | |
| 479 | MessageIter Message::reader() const |
| 480 | { |
| 481 | MessageIter iter(const_cast<Message &>(*this)); |
| 482 | dbus_message_iter_init(_pvt->msg, (DBusMessageIter *) & (iter._iter)); |
| 483 | return iter; |
| 484 | } |
| 485 | |
| 486 | /* |
| 487 | */ |
| 488 | |
| 489 | ErrorMessage::ErrorMessage() |
| 490 | { |
| 491 | _pvt->msg = dbus_message_new(DBUS_MESSAGE_TYPE_ERROR); |
| 492 | } |
| 493 | |
| 494 | ErrorMessage::ErrorMessage(const Message &to_reply, const char *name, const char *message) |
| 495 | { |
| 496 | _pvt->msg = dbus_message_new_error(to_reply._pvt->msg, name, message); |
| 497 | } |
| 498 | |
| 499 | bool ErrorMessage::operator == (const ErrorMessage &m) const |
| 500 | { |
| 501 | return dbus_message_is_error(_pvt->msg, m.name()); |
| 502 | } |
| 503 | |
| 504 | const char *ErrorMessage::name() const |
| 505 | { |
| 506 | return dbus_message_get_error_name(_pvt->msg); |
| 507 | } |
| 508 | |
| 509 | bool ErrorMessage::name(const char *n) |
| 510 | { |
| 511 | return dbus_message_set_error_name(_pvt->msg, n); |
| 512 | } |
| 513 | |
| 514 | /* |
| 515 | */ |
| 516 | |
| 517 | SignalMessage::SignalMessage(const char *name) |
| 518 | { |
| 519 | _pvt->msg = dbus_message_new(DBUS_MESSAGE_TYPE_SIGNAL); |
| 520 | member(name); |
| 521 | } |
| 522 | |
| 523 | SignalMessage::SignalMessage(const char *path, const char *interface, const char *name) |
| 524 | { |
| 525 | _pvt->msg = dbus_message_new_signal(path, interface, name); |
| 526 | } |
| 527 | |
| 528 | bool SignalMessage::operator == (const SignalMessage &m) const |
| 529 | { |
| 530 | return dbus_message_is_signal(_pvt->msg, m.interface(), m.member()); |
| 531 | } |
| 532 | |
| 533 | const char *SignalMessage::interface() const |
| 534 | { |
| 535 | return dbus_message_get_interface(_pvt->msg); |
| 536 | } |
| 537 | |
| 538 | bool SignalMessage::interface(const char *i) |
| 539 | { |
| 540 | return dbus_message_set_interface(_pvt->msg, i); |
| 541 | } |
| 542 | |
| 543 | const char *SignalMessage::member() const |
| 544 | { |
| 545 | return dbus_message_get_member(_pvt->msg); |
| 546 | } |
| 547 | |
| 548 | bool SignalMessage::member(const char *m) |
| 549 | { |
| 550 | return dbus_message_set_member(_pvt->msg, m); |
| 551 | } |
| 552 | |
| 553 | const char *SignalMessage::path() const |
| 554 | { |
| 555 | return dbus_message_get_path(_pvt->msg); |
| 556 | } |
| 557 | |
| 558 | char **SignalMessage::path_split() const |
| 559 | { |
| 560 | char **p; |
| 561 | dbus_message_get_path_decomposed(_pvt->msg, &p); //todo: return as a std::vector ? |
| 562 | return p; |
| 563 | } |
| 564 | |
| 565 | bool SignalMessage::path(const char *p) |
| 566 | { |
| 567 | return dbus_message_set_path(_pvt->msg, p); |
| 568 | } |
| 569 | |
| 570 | /* |
| 571 | */ |
| 572 | |
| 573 | CallMessage::CallMessage() |
| 574 | { |
| 575 | _pvt->msg = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_CALL); |
| 576 | } |
| 577 | |
| 578 | CallMessage::CallMessage(const char *dest, const char *path, const char *iface, const char *method) |
| 579 | { |
| 580 | _pvt->msg = dbus_message_new_method_call(dest, path, iface, method); |
| 581 | } |
| 582 | |
| 583 | bool CallMessage::operator == (const CallMessage &m) const |
| 584 | { |
| 585 | return dbus_message_is_method_call(_pvt->msg, m.interface(), m.member()); |
| 586 | } |
| 587 | |
| 588 | const char *CallMessage::interface() const |
| 589 | { |
| 590 | return dbus_message_get_interface(_pvt->msg); |
| 591 | } |
| 592 | |
| 593 | bool CallMessage::interface(const char *i) |
| 594 | { |
| 595 | return dbus_message_set_interface(_pvt->msg, i); |
| 596 | } |
| 597 | |
| 598 | const char *CallMessage::member() const |
| 599 | { |
| 600 | return dbus_message_get_member(_pvt->msg); |
| 601 | } |
| 602 | |
| 603 | bool CallMessage::member(const char *m) |
| 604 | { |
| 605 | return dbus_message_set_member(_pvt->msg, m); |
| 606 | } |
| 607 | |
| 608 | const char *CallMessage::path() const |
| 609 | { |
| 610 | return dbus_message_get_path(_pvt->msg); |
| 611 | } |
| 612 | |
| 613 | char **CallMessage::path_split() const |
| 614 | { |
| 615 | char **p; |
| 616 | dbus_message_get_path_decomposed(_pvt->msg, &p); |
| 617 | return p; |
| 618 | } |
| 619 | |
| 620 | bool CallMessage::path(const char *p) |
| 621 | { |
| 622 | return dbus_message_set_path(_pvt->msg, p); |
| 623 | } |
| 624 | |
| 625 | const char *CallMessage::signature() const |
| 626 | { |
| 627 | return dbus_message_get_signature(_pvt->msg); |
| 628 | } |
| 629 | |
| 630 | /* |
| 631 | */ |
| 632 | |
| 633 | ReturnMessage::ReturnMessage(const CallMessage &callee) |
| 634 | { |
| 635 | _pvt = new Private(dbus_message_new_method_return(callee._pvt->msg)); |
| 636 | } |
| 637 | |
| 638 | const char *ReturnMessage::signature() const |
| 639 | { |
| 640 | return dbus_message_get_signature(_pvt->msg); |
| 641 | } |
| 642 | |