| File: | fc/fserve.c |
| Location: | line 2943, column 2 |
| Description: | Value stored to 'setup' is never read |
| 1 | /* |
| 2 | |
| 3 | Copyright 1990, 1998 The Open Group |
| 4 | |
| 5 | Permission to use, copy, modify, distribute, and sell this software and its |
| 6 | documentation for any purpose is hereby granted without fee, provided that |
| 7 | the above copyright notice appear in all copies and that both that |
| 8 | copyright notice and this permission notice appear in supporting |
| 9 | documentation. |
| 10 | |
| 11 | The above copyright notice and this permission notice shall be included in |
| 12 | all copies or substantial portions of the Software. |
| 13 | |
| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| 18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 20 | |
| 21 | Except as contained in this notice, the name of The Open Group shall not be |
| 22 | used in advertising or otherwise to promote the sale, use or other dealings |
| 23 | in this Software without prior written authorization from The Open Group. |
| 24 | |
| 25 | */ |
| 26 | |
| 27 | /* |
| 28 | * Copyright 1990 Network Computing Devices |
| 29 | * |
| 30 | * Permission to use, copy, modify, distribute, and sell this software and |
| 31 | * its documentation for any purpose is hereby granted without fee, provided |
| 32 | * that the above copyright notice appear in all copies and that both that |
| 33 | * copyright notice and this permission notice appear in supporting |
| 34 | * documentation, and that the names of Network Computing Devices, or Digital |
| 35 | * not be used in advertising or publicity pertaining to distribution |
| 36 | * of the software without specific, written prior permission. |
| 37 | * |
| 38 | * NETWORK COMPUTING DEVICES, AND DIGITAL AND DISCLAIM ALL WARRANTIES WITH |
| 39 | * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF |
| 40 | * MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NETWORK COMPUTING DEVICES, |
| 41 | * OR DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL |
| 42 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 43 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS |
| 44 | * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF |
| 45 | * THIS SOFTWARE. |
| 46 | * |
| 47 | * Author: Dave Lemke, Network Computing Devices, Inc |
| 48 | */ |
| 49 | /* |
| 50 | * font server specific font access |
| 51 | */ |
| 52 | |
| 53 | #ifdef HAVE_CONFIG_H1 |
| 54 | #include <config.h> |
| 55 | #endif |
| 56 | |
| 57 | #ifdef WIN32 |
| 58 | #define _WILLWINSOCK_ |
| 59 | #endif |
| 60 | #define FONT_t |
| 61 | #define TRANS_CLIENT |
| 62 | #include "X11/Xtrans/Xtrans.h" |
| 63 | #include "X11/Xpoll.h" |
| 64 | #include <X11/fonts/FS.h> |
| 65 | #include <X11/fonts/FSproto.h> |
| 66 | #include <X11/X.h> |
| 67 | #include <X11/Xos.h> |
| 68 | #include <X11/fonts/fontmisc.h> |
| 69 | #include <X11/fonts/fontstruct.h> |
| 70 | #include "fservestr.h" |
| 71 | #include <X11/fonts/fontutil.h> |
| 72 | #include <errno(*__error()).h> |
| 73 | #include <limits.h> |
| 74 | |
| 75 | #include <time.h> |
| 76 | #define Time_ttime_t time_t |
| 77 | |
| 78 | #ifdef NCD |
| 79 | #include <ncd/nvram.h> |
| 80 | #endif |
| 81 | |
| 82 | #include <stddef.h> |
| 83 | |
| 84 | #ifndef MIN |
| 85 | #define MIN(a,b)(((a)<(b))?(a):(b)) ((a)<(b)?(a):(b)) |
| 86 | #endif |
| 87 | #define TimeCmp(a,c,b)((int) ((a) - (b)) c 0) ((int) ((a) - (b)) c 0) |
| 88 | |
| 89 | #define NONZEROMETRICS(pci)((pci)->leftSideBearing || (pci)->rightSideBearing || ( pci)->ascent || (pci)->descent || (pci)->characterWidth ) ((pci)->leftSideBearing || \ |
| 90 | (pci)->rightSideBearing || \ |
| 91 | (pci)->ascent || \ |
| 92 | (pci)->descent || \ |
| 93 | (pci)->characterWidth) |
| 94 | |
| 95 | /* |
| 96 | * SIZEOF(r) is in bytes, length fields in the protocol are in 32-bit words, |
| 97 | * so this converts for doing size comparisons. |
| 98 | */ |
| 99 | #define LENGTHOF(r)(sz_r >> 2) (SIZEOF(r)sz_r >> 2) |
| 100 | |
| 101 | /* Somewhat arbitrary limit on maximum reply size we'll try to read. */ |
| 102 | #define MAX_REPLY_LENGTH((64 * 1024 * 1024) >> 2) ((64 * 1024 * 1024) >> 2) |
| 103 | |
| 104 | extern void ErrorF(const char *f, ...); |
| 105 | |
| 106 | static int fs_read_glyphs ( FontPathElementPtr fpe, FSBlockDataPtr blockrec ); |
| 107 | static int fs_read_list ( FontPathElementPtr fpe, FSBlockDataPtr blockrec ); |
| 108 | static int fs_read_list_info ( FontPathElementPtr fpe, |
| 109 | FSBlockDataPtr blockrec ); |
| 110 | |
| 111 | extern fd_set _fs_fd_mask; |
| 112 | |
| 113 | static void fs_block_handler ( pointer data, OSTimePtr wt, |
| 114 | pointer LastSelectMask ); |
| 115 | static int fs_wakeup ( FontPathElementPtr fpe, unsigned long *mask ); |
| 116 | |
| 117 | /* |
| 118 | * List of all FPEs |
| 119 | */ |
| 120 | static FSFpePtr fs_fpes; |
| 121 | /* |
| 122 | * Union of all FPE blockStates |
| 123 | */ |
| 124 | static CARD32 fs_blockState; |
| 125 | |
| 126 | static int _fs_restart_connection ( FSFpePtr conn ); |
| 127 | static void fs_send_query_bitmaps ( FontPathElementPtr fpe, |
| 128 | FSBlockDataPtr blockrec ); |
| 129 | static int fs_send_close_font ( FontPathElementPtr fpe, Font id ); |
| 130 | static void fs_client_died ( pointer client, FontPathElementPtr fpe ); |
| 131 | static void _fs_client_access ( FSFpePtr conn, pointer client, Bool sync ); |
| 132 | static void _fs_client_resolution ( FSFpePtr conn ); |
| 133 | static fsGenericReply *fs_get_reply (FSFpePtr conn, int *error); |
| 134 | static int fs_await_reply (FSFpePtr conn); |
| 135 | static void _fs_do_blocked (FSFpePtr conn); |
| 136 | static void fs_cleanup_bfont (FSBlockedFontPtr bfont); |
| 137 | |
| 138 | char _fs_glyph_undefined; |
| 139 | char _fs_glyph_requested; |
| 140 | static char _fs_glyph_zero_length; |
| 141 | |
| 142 | static int generationCount; |
| 143 | |
| 144 | static int FontServerRequestTimeout = 30 * 1000; |
| 145 | |
| 146 | static void |
| 147 | _fs_close_server (FSFpePtr conn); |
| 148 | |
| 149 | static FSFpePtr |
| 150 | _fs_init_conn (const char *servername); |
| 151 | |
| 152 | static int |
| 153 | _fs_wait_connect (FSFpePtr conn); |
| 154 | |
| 155 | static int |
| 156 | _fs_send_init_packets (FSFpePtr conn); |
| 157 | |
| 158 | static void |
| 159 | _fs_check_reconnect (FSFpePtr conn); |
| 160 | |
| 161 | static void |
| 162 | _fs_start_reconnect (FSFpePtr conn); |
| 163 | |
| 164 | static void |
| 165 | _fs_free_conn (FSFpePtr conn); |
| 166 | |
| 167 | static int |
| 168 | fs_free_fpe(FontPathElementPtr fpe); |
| 169 | |
| 170 | /* |
| 171 | * Font server access |
| 172 | * |
| 173 | * the basic idea for the non-blocking access is to have the function |
| 174 | * called multiple times until the actual data is returned, instead |
| 175 | * of ClientBlocked. |
| 176 | * |
| 177 | * the first call to the function will cause the request to be sent to |
| 178 | * the font server, and a block record to be stored in the fpe's list |
| 179 | * of outstanding requests. the FS block handler also sticks the |
| 180 | * proper set of fd's into the select mask. when data is ready to be |
| 181 | * read in, the FS wakup handler will be hit. this will read the |
| 182 | * data off the wire into the proper block record, and then signal the |
| 183 | * client that caused the block so that it can restart. it will then |
| 184 | * call the access function again, which will realize that the data has |
| 185 | * arrived and return it. |
| 186 | */ |
| 187 | |
| 188 | |
| 189 | #ifdef DEBUG |
| 190 | static void |
| 191 | _fs_add_req_log(FSFpePtr conn, int opcode)((FSFpePtr conn)->current_seq++) |
| 192 | { |
| 193 | conn->current_seq++; |
| 194 | fprintf (stderr__stderrp, "\t\tRequest: %5d Opcode: %2d\n", |
| 195 | conn->current_seq, opcode); |
| 196 | conn->reqbuffer[conn->reqindex].opcode = opcode; |
| 197 | conn->reqbuffer[conn->reqindex].sequence = conn->current_seq; |
| 198 | conn->reqindex++; |
| 199 | if (conn->reqindex == REQUEST_LOG_SIZE) |
| 200 | conn->reqindex = 0; |
| 201 | } |
| 202 | |
| 203 | static void |
| 204 | _fs_add_rep_log (FSFpePtr conn, fsGenericReply *rep) |
| 205 | { |
| 206 | int i; |
| 207 | |
| 208 | for (i = 0; i < REQUEST_LOG_SIZE; i++) |
| 209 | if (conn->reqbuffer[i].sequence == rep->sequenceNumber) |
| 210 | break; |
| 211 | if (i == REQUEST_LOG_SIZE) |
| 212 | fprintf (stderr__stderrp, "\t\t\t\t\tReply: %5d Opcode: unknown\n", |
| 213 | rep->sequenceNumber); |
| 214 | else |
| 215 | fprintf (stderr__stderrp, "\t\t\t\t\tReply: %5d Opcode: %d\n", |
| 216 | rep->sequenceNumber, |
| 217 | conn->reqbuffer[i].opcode); |
| 218 | } |
| 219 | |
| 220 | #define _fs_reply_failed(rep, name, op) do { \ |
| 221 | if (rep) { \ |
| 222 | if (rep->type == FS_Error1) \ |
| 223 | fprintf (stderr__stderrp, "Error: %d Request: %s\n", \ |
| 224 | ((fsError *)rep)->request, #name); \ |
| 225 | else \ |
| 226 | fprintf (stderr__stderrp, "Bad Length for %s Reply: %d %s %d\n", \ |
| 227 | #name, rep->length, op, LENGTHOF(name)(sz_name >> 2)); \ |
| 228 | } \ |
| 229 | } while (0) |
| 230 | |
| 231 | #else |
| 232 | #define _fs_add_req_log(conn,op)((conn)->current_seq++) ((conn)->current_seq++) |
| 233 | #define _fs_add_rep_log(conn,rep) |
| 234 | #define _fs_reply_failed(rep,name,op) |
| 235 | #endif |
| 236 | |
| 237 | static Bool |
| 238 | fs_name_check(const char *name) |
| 239 | { |
| 240 | /* Just make sure there is a protocol/ prefix */ |
| 241 | return (name && *name != '/' && strchr(name, '/')); |
| 242 | } |
| 243 | |
| 244 | static void |
| 245 | _fs_client_resolution(FSFpePtr conn) |
| 246 | { |
| 247 | fsSetResolutionReq srreq; |
| 248 | int num_res; |
| 249 | FontResolutionPtr res; |
| 250 | |
| 251 | res = GetClientResolutions(&num_res); |
| 252 | |
| 253 | if (num_res) { |
| 254 | srreq.reqType = FS_SetResolution11; |
| 255 | srreq.num_resolutions = num_res; |
| 256 | srreq.length = (SIZEOF(fsSetResolutionReq)4 + |
| 257 | (num_res * SIZEOF(fsResolution)6) + 3) >> 2; |
| 258 | |
| 259 | _fs_add_req_log(conn, FS_SetResolution)((conn)->current_seq++); |
| 260 | if (_fs_write(conn, (char *) &srreq, SIZEOF(fsSetResolutionReq)4) != -1) |
| 261 | (void)_fs_write_pad(conn, (char *) res, |
| 262 | (num_res * SIZEOF(fsResolution)6)); |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | /* |
| 267 | * close font server and remove any state associated with |
| 268 | * this connection - this includes any client records. |
| 269 | */ |
| 270 | |
| 271 | static void |
| 272 | fs_close_conn(FSFpePtr conn) |
| 273 | { |
| 274 | FSClientPtr client, nclient; |
| 275 | |
| 276 | _fs_close_server (conn); |
| 277 | |
| 278 | for (client = conn->clients; client; client = nclient) |
| 279 | { |
| 280 | nclient = client->next; |
| 281 | free (client); |
| 282 | } |
| 283 | conn->clients = NULL((void*)0); |
| 284 | } |
| 285 | |
| 286 | /* |
| 287 | * the wakeup handlers have to be set when the FPE is open, and not |
| 288 | * removed until it is freed, in order to handle unexpected data, like |
| 289 | * events |
| 290 | */ |
| 291 | /* ARGSUSED */ |
| 292 | static int |
| 293 | fs_init_fpe(FontPathElementPtr fpe) |
| 294 | { |
| 295 | FSFpePtr conn; |
| 296 | const char *name; |
| 297 | int err; |
| 298 | int ret; |
| 299 | |
| 300 | /* open font server */ |
| 301 | /* create FS specific fpe info */ |
| 302 | name = fpe->name; |
| 303 | |
| 304 | /* hack for old style names */ |
| 305 | if (*name == ':') |
| 306 | name++; /* skip ':' */ |
| 307 | |
| 308 | conn = _fs_init_conn (name); |
| 309 | if (!conn) |
| 310 | err = AllocError80; |
| 311 | else |
| 312 | { |
| 313 | err = init_fs_handlers (fpe, fs_block_handler); |
| 314 | if (err != Successful85) |
| 315 | { |
| 316 | _fs_free_conn (conn); |
| 317 | err = AllocError80; |
| 318 | } |
| 319 | else |
| 320 | { |
| 321 | fpe->private = conn; |
| 322 | conn->next = fs_fpes; |
| 323 | fs_fpes = conn; |
| 324 | ret = _fs_wait_connect (conn); |
| 325 | if (ret != FSIO_READY1) |
| 326 | { |
| 327 | fs_free_fpe (fpe); |
| 328 | err = BadFontPath86; |
| 329 | } |
| 330 | else |
| 331 | err = Successful85; |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | if (err == Successful85) |
| 336 | { |
| 337 | #ifdef NCD |
| 338 | if (configData.ExtendedFontDiags) |
| 339 | printf("Connected to font server \"%s\"\n", name); |
| 340 | #endif |
| 341 | #ifdef DEBUG |
| 342 | fprintf (stderr__stderrp, "connected to FS \"%s\"\n", name); |
| 343 | #endif |
| 344 | } |
| 345 | else |
| 346 | { |
| 347 | #ifdef DEBUG |
| 348 | fprintf(stderr__stderrp, "failed to connect to FS \"%s\" %d\n", name, err); |
| 349 | #endif |
| 350 | #ifdef NCD |
| 351 | if (configData.ExtendedFontDiags) |
| 352 | printf("Failed to connect to font server \"%s\"\n", name); |
| 353 | #endif |
| 354 | ; |
| 355 | } |
| 356 | return err; |
| 357 | } |
| 358 | |
| 359 | static int |
| 360 | fs_reset_fpe(FontPathElementPtr fpe) |
| 361 | { |
| 362 | (void) _fs_send_init_packets((FSFpePtr) fpe->private); |
| 363 | return Successful85; |
| 364 | } |
| 365 | |
| 366 | /* |
| 367 | * this shouldn't be called till all refs to the FPE are gone |
| 368 | */ |
| 369 | |
| 370 | static int |
| 371 | fs_free_fpe(FontPathElementPtr fpe) |
| 372 | { |
| 373 | FSFpePtr conn = (FSFpePtr) fpe->private, *prev; |
| 374 | |
| 375 | /* unhook from chain of all font servers */ |
| 376 | for (prev = &fs_fpes; *prev; prev = &(*prev)->next) |
| 377 | { |
| 378 | if (*prev == conn) |
| 379 | { |
| 380 | *prev = conn->next; |
| 381 | break; |
| 382 | } |
| 383 | } |
| 384 | _fs_unmark_block (conn, conn->blockState); |
| 385 | fs_close_conn(conn); |
| 386 | remove_fs_handlers(fpe, fs_block_handler, fs_fpes == 0); |
| 387 | _fs_free_conn (conn); |
| 388 | fpe->private = (pointer) 0; |
| 389 | |
| 390 | #ifdef NCD |
| 391 | if (configData.ExtendedFontDiags) |
| 392 | printf("Disconnected from font server \"%s\"\n", fpe->name); |
| 393 | #endif |
| 394 | #ifdef DEBUG |
| 395 | fprintf (stderr__stderrp, "disconnect from FS \"%s\"\n", fpe->name); |
| 396 | #endif |
| 397 | |
| 398 | return Successful85; |
| 399 | } |
| 400 | |
| 401 | static FSBlockDataPtr |
| 402 | fs_new_block_rec(FontPathElementPtr fpe, pointer client, int type) |
| 403 | { |
| 404 | FSBlockDataPtr blockrec, |
| 405 | *prev; |
| 406 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 407 | int size; |
| 408 | |
| 409 | switch (type) { |
| 410 | case FS_OPEN_FONT1: |
| 411 | size = sizeof(FSBlockedFontRec); |
| 412 | break; |
| 413 | case FS_LOAD_GLYPHS2: |
| 414 | size = sizeof(FSBlockedGlyphRec); |
| 415 | break; |
| 416 | case FS_LIST_FONTS3: |
| 417 | size = sizeof(FSBlockedListRec); |
| 418 | break; |
| 419 | case FS_LIST_WITH_INFO4: |
| 420 | size = sizeof(FSBlockedListInfoRec); |
| 421 | break; |
| 422 | default: |
| 423 | size = 0; |
| 424 | break; |
| 425 | } |
| 426 | blockrec = malloc(sizeof(FSBlockDataRec) + size); |
| 427 | if (!blockrec) |
| 428 | return (FSBlockDataPtr) 0; |
| 429 | blockrec->data = (pointer) (blockrec + 1); |
| 430 | blockrec->client = client; |
| 431 | blockrec->sequenceNumber = -1; |
| 432 | blockrec->errcode = StillWorking81; |
| 433 | blockrec->type = type; |
| 434 | blockrec->depending = 0; |
| 435 | blockrec->next = (FSBlockDataPtr) 0; |
| 436 | |
| 437 | /* stick it on the end of the list (since its expected last) */ |
| 438 | for (prev = &conn->blockedRequests; *prev; prev = &(*prev)->next) |
| 439 | ; |
| 440 | *prev = blockrec; |
| 441 | |
| 442 | return blockrec; |
| 443 | } |
| 444 | |
| 445 | static void |
| 446 | _fs_set_pending_reply (FSFpePtr conn) |
| 447 | { |
| 448 | FSBlockDataPtr blockrec; |
| 449 | |
| 450 | for (blockrec = conn->blockedRequests; blockrec; blockrec = blockrec->next) |
| 451 | if (blockrec->errcode == StillWorking81) |
| 452 | break; |
| 453 | if (blockrec) |
| 454 | { |
| 455 | conn->blockedReplyTime = GetTimeInMillis () + FontServerRequestTimeout; |
| 456 | _fs_mark_block (conn, FS_PENDING_REPLY0x08); |
| 457 | } |
| 458 | else |
| 459 | _fs_unmark_block (conn, FS_PENDING_REPLY0x08); |
| 460 | } |
| 461 | |
| 462 | static void |
| 463 | _fs_remove_block_rec(FSFpePtr conn, FSBlockDataPtr blockrec) |
| 464 | { |
| 465 | FSBlockDataPtr *prev; |
| 466 | |
| 467 | for (prev = &conn->blockedRequests; *prev; prev = &(*prev)->next) |
| 468 | if (*prev == blockrec) |
| 469 | { |
| 470 | *prev = blockrec->next; |
| 471 | break; |
| 472 | } |
| 473 | if (blockrec->type == FS_LOAD_GLYPHS2) |
| 474 | { |
| 475 | FSBlockedGlyphPtr bglyph = (FSBlockedGlyphPtr)blockrec->data; |
| 476 | if (bglyph->num_expected_ranges) |
| 477 | free(bglyph->expected_ranges); |
| 478 | } |
| 479 | free(blockrec); |
| 480 | _fs_set_pending_reply (conn); |
| 481 | } |
| 482 | |
| 483 | static void |
| 484 | _fs_signal_clients_depending(FSClientsDependingPtr *clients_depending) |
| 485 | { |
| 486 | FSClientsDependingPtr p; |
| 487 | |
| 488 | while ((p = *clients_depending)) |
| 489 | { |
| 490 | *clients_depending = p->next; |
| 491 | ClientSignal(p->client); |
| 492 | free(p); |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | static int |
| 497 | _fs_add_clients_depending(FSClientsDependingPtr *clients_depending, pointer client) |
| 498 | { |
| 499 | FSClientsDependingPtr new, cd; |
| 500 | |
| 501 | for (; (cd = *clients_depending); |
| 502 | clients_depending = &(*clients_depending)->next) |
| 503 | { |
| 504 | if (cd->client == client) |
| 505 | return Suspended84; |
| 506 | } |
| 507 | |
| 508 | new = malloc (sizeof (FSClientsDependingRec)); |
| 509 | if (!new) |
| 510 | return BadAlloc11; |
| 511 | |
| 512 | new->client = client; |
| 513 | new->next = 0; |
| 514 | *clients_depending = new; |
| 515 | return Suspended84; |
| 516 | } |
| 517 | |
| 518 | /* |
| 519 | * When a request is aborted due to a font server failure, |
| 520 | * signal any depending clients to restart their dependant |
| 521 | * requests |
| 522 | */ |
| 523 | static void |
| 524 | _fs_clean_aborted_blockrec(FSFpePtr conn, FSBlockDataPtr blockrec) |
| 525 | { |
| 526 | switch(blockrec->type) { |
| 527 | case FS_OPEN_FONT1: { |
| 528 | FSBlockedFontPtr bfont = (FSBlockedFontPtr)blockrec->data; |
| 529 | |
| 530 | fs_cleanup_bfont (bfont); |
| 531 | _fs_signal_clients_depending(&bfont->clients_depending); |
| 532 | break; |
| 533 | } |
| 534 | case FS_LOAD_GLYPHS2: { |
| 535 | FSBlockedGlyphPtr bglyph = (FSBlockedGlyphPtr)blockrec->data; |
| 536 | |
| 537 | _fs_clean_aborted_loadglyphs(bglyph->pfont, |
| 538 | bglyph->num_expected_ranges, |
| 539 | bglyph->expected_ranges); |
| 540 | _fs_signal_clients_depending(&bglyph->clients_depending); |
| 541 | break; |
| 542 | } |
| 543 | case FS_LIST_FONTS3: |
| 544 | break; |
| 545 | case FS_LIST_WITH_INFO4: { |
| 546 | FSBlockedListInfoPtr binfo; |
| 547 | binfo = (FSBlockedListInfoPtr) blockrec->data; |
| 548 | if (binfo->status == FS_LFWI_REPLY1) |
| 549 | FD_SET(conn->fs_fd, &_fs_fd_mask)do { int __fd = (conn->fs_fd); ((&_fs_fd_mask)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); |
| 550 | _fs_free_props (&binfo->info); |
| 551 | } |
| 552 | default: |
| 553 | break; |
| 554 | } |
| 555 | } |
| 556 | |
| 557 | static void |
| 558 | fs_abort_blockrec(FSFpePtr conn, FSBlockDataPtr blockrec) |
| 559 | { |
| 560 | _fs_clean_aborted_blockrec (conn, blockrec); |
| 561 | _fs_remove_block_rec (conn, blockrec); |
| 562 | } |
| 563 | |
| 564 | /* |
| 565 | * Tell the font server we've failed to complete an open and |
| 566 | * then unload the partially created font |
| 567 | */ |
| 568 | static void |
| 569 | fs_cleanup_bfont (FSBlockedFontPtr bfont) |
| 570 | { |
| 571 | FSFontDataRec *fsd; |
| 572 | |
| 573 | if (bfont->pfont) |
| 574 | { |
| 575 | fsd = (FSFontDataRec *) bfont->pfont->fpePrivate; |
| 576 | |
| 577 | /* make sure the FS knows we choked on it */ |
| 578 | fs_send_close_font(bfont->pfont->fpe, bfont->fontid); |
| 579 | |
| 580 | /* |
| 581 | * Either unload the font if it's being opened for |
| 582 | * the first time, or smash the generation field to |
| 583 | * mark this font as an orphan |
| 584 | */ |
| 585 | if (!(bfont->flags & FontReopen0x0020)) |
| 586 | { |
| 587 | if (bfont->freeFont) |
| 588 | (*bfont->pfont->unload_font) (bfont->pfont); |
| 589 | #ifdef DEBUG |
| 590 | else |
| 591 | fprintf (stderr__stderrp, "Not freeing other font in cleanup_bfont\n"); |
| 592 | #endif |
| 593 | bfont->pfont = 0; |
| 594 | } |
| 595 | else |
| 596 | fsd->generation = -1; |
| 597 | } |
| 598 | } |
| 599 | |
| 600 | /* |
| 601 | * Check to see if a complete reply is waiting |
| 602 | */ |
| 603 | static fsGenericReply * |
| 604 | fs_get_reply (FSFpePtr conn, int *error) |
| 605 | { |
| 606 | char *buf; |
| 607 | fsGenericReply *rep; |
| 608 | int ret; |
| 609 | |
| 610 | /* block if the connection is down or paused in lfwi */ |
| 611 | if (conn->fs_fd == -1 || !FD_ISSET (conn->fs_fd, &_fs_fd_mask)__darwin_fd_isset((conn->fs_fd), (&_fs_fd_mask))) |
| 612 | { |
| 613 | *error = FSIO_BLOCK0; |
| 614 | return 0; |
| 615 | } |
| 616 | |
| 617 | ret = _fs_start_read (conn, sizeof (fsGenericReply), &buf); |
| 618 | if (ret != FSIO_READY1) |
| 619 | { |
| 620 | *error = FSIO_BLOCK0; |
| 621 | return 0; |
| 622 | } |
| 623 | |
| 624 | rep = (fsGenericReply *) buf; |
| 625 | |
| 626 | /* |
| 627 | * Refuse to accept replies longer than a maximum reasonable length, |
| 628 | * before we pass to _fs_start_read, since it will try to resize the |
| 629 | * incoming connection buffer to this size. Also avoids integer overflow |
| 630 | * on 32-bit systems. |
| 631 | */ |
| 632 | if (rep->length > MAX_REPLY_LENGTH((64 * 1024 * 1024) >> 2)) |
| 633 | { |
| 634 | ErrorF("fserve: reply length %d > MAX_REPLY_LENGTH, disconnecting" |
| 635 | " from font server\n", rep->length); |
| 636 | _fs_connection_died (conn); |
| 637 | *error = FSIO_ERROR-1; |
| 638 | return 0; |
| 639 | } |
| 640 | |
| 641 | ret = _fs_start_read (conn, rep->length << 2, &buf); |
| 642 | if (ret != FSIO_READY1) |
| 643 | { |
| 644 | *error = FSIO_BLOCK0; |
| 645 | return 0; |
| 646 | } |
| 647 | |
| 648 | *error = FSIO_READY1; |
| 649 | |
| 650 | return (fsGenericReply *) buf; |
| 651 | } |
| 652 | |
| 653 | static Bool |
| 654 | fs_reply_ready (FSFpePtr conn) |
| 655 | { |
| 656 | fsGenericReply *rep; |
| 657 | |
| 658 | if (conn->fs_fd == -1 || !FD_ISSET (conn->fs_fd, &_fs_fd_mask)__darwin_fd_isset((conn->fs_fd), (&_fs_fd_mask))) |
| 659 | return FALSE0; |
| 660 | if (fs_data_read (conn)((conn)->inBuf.insert - (conn)->inBuf.remove) < sizeof (fsGenericReply)) |
| 661 | return FALSE0; |
| 662 | rep = (fsGenericReply *) (conn->inBuf.buf + conn->inBuf.remove); |
| 663 | if (fs_data_read (conn)((conn)->inBuf.insert - (conn)->inBuf.remove) < rep->length << 2) |
| 664 | return FALSE0; |
| 665 | return TRUE1; |
| 666 | } |
| 667 | |
| 668 | static void |
| 669 | _fs_pending_reply (FSFpePtr conn) |
| 670 | { |
| 671 | if (!(conn->blockState & FS_PENDING_REPLY0x08)) |
| 672 | { |
| 673 | _fs_mark_block (conn, FS_PENDING_REPLY0x08); |
| 674 | conn->blockedReplyTime = GetTimeInMillis () + FontServerRequestTimeout; |
| 675 | } |
| 676 | } |
| 677 | |
| 678 | static void |
| 679 | _fs_prepare_for_reply (FSFpePtr conn) |
| 680 | { |
| 681 | _fs_pending_reply (conn); |
| 682 | _fs_flush (conn); |
| 683 | } |
| 684 | |
| 685 | /* |
| 686 | * Block (for a while) awaiting a complete reply |
| 687 | */ |
| 688 | static int |
| 689 | fs_await_reply (FSFpePtr conn) |
| 690 | { |
| 691 | int ret; |
| 692 | |
| 693 | if (conn->blockState & FS_COMPLETE_REPLY0x20) |
| 694 | return FSIO_READY1; |
| 695 | |
| 696 | while (!fs_get_reply (conn, &ret)) |
| 697 | { |
| 698 | if (ret != FSIO_BLOCK0) |
| 699 | return ret; |
| 700 | if (_fs_wait_for_readable (conn, FontServerRequestTimeout) != FSIO_READY1) |
| 701 | { |
| 702 | _fs_connection_died (conn); |
| 703 | return FSIO_ERROR-1; |
| 704 | } |
| 705 | } |
| 706 | return FSIO_READY1; |
| 707 | } |
| 708 | |
| 709 | /* |
| 710 | * Process the reply to an OpenBitmapFont request |
| 711 | */ |
| 712 | static int |
| 713 | fs_read_open_font(FontPathElementPtr fpe, FSBlockDataPtr blockrec) |
| 714 | { |
| 715 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 716 | FSBlockedFontPtr bfont = (FSBlockedFontPtr) blockrec->data; |
| 717 | fsOpenBitmapFontReply *rep; |
| 718 | FSBlockDataPtr blockOrig; |
| 719 | FSBlockedFontPtr origBfont; |
| 720 | int ret; |
| 721 | |
| 722 | rep = (fsOpenBitmapFontReply *) fs_get_reply (conn, &ret); |
| 723 | if (!rep || rep->type == FS_Error1 || |
| 724 | (rep->length != LENGTHOF(fsOpenBitmapFontReply)(16 >> 2))) |
| 725 | { |
| 726 | if (ret == FSIO_BLOCK0) |
| 727 | return StillWorking81; |
| 728 | if (rep) |
| 729 | _fs_done_read (conn, rep->length << 2); |
| 730 | fs_cleanup_bfont (bfont); |
| 731 | _fs_reply_failed (rep, fsOpenBitmapFontReply, "!="); |
| 732 | return BadFontName83; |
| 733 | } |
| 734 | |
| 735 | /* If we're not reopening a font and FS detected a duplicate font |
| 736 | open request, replace our reference to the new font with a |
| 737 | reference to an existing font (possibly one not finished |
| 738 | opening). If this is a reopen, keep the new font reference... |
| 739 | it's got the metrics and extents we read when the font was opened |
| 740 | before. This also gives us the freedom to easily close the font |
| 741 | if we we decide (in fs_read_query_info()) that we don't like what |
| 742 | we got. */ |
| 743 | |
| 744 | if (rep->otherid && !(bfont->flags & FontReopen0x0020)) |
| 745 | { |
| 746 | fs_cleanup_bfont (bfont); |
| 747 | |
| 748 | /* Find old font if we're completely done getting it from server. */ |
| 749 | bfont->pfont = find_old_font(rep->otherid); |
| 750 | bfont->freeFont = FALSE0; |
| 751 | bfont->fontid = rep->otherid; |
| 752 | bfont->state = FS_DONE_REPLY4; |
| 753 | /* |
| 754 | * look for a blocked request to open the same font |
| 755 | */ |
| 756 | for (blockOrig = conn->blockedRequests; |
| 757 | blockOrig; |
| 758 | blockOrig = blockOrig->next) |
| 759 | { |
| 760 | if (blockOrig != blockrec && blockOrig->type == FS_OPEN_FONT1) |
| 761 | { |
| 762 | origBfont = (FSBlockedFontPtr) blockOrig->data; |
| 763 | if (origBfont->fontid == rep->otherid) |
| 764 | { |
| 765 | blockrec->depending = blockOrig->depending; |
| 766 | blockOrig->depending = blockrec; |
| 767 | bfont->state = FS_DEPENDING5; |
| 768 | bfont->pfont = origBfont->pfont; |
| 769 | break; |
| 770 | } |
| 771 | } |
| 772 | } |
| 773 | if (bfont->pfont == NULL((void*)0)) |
| 774 | { |
| 775 | /* XXX - something nasty happened */ |
| 776 | ret = BadFontName83; |
| 777 | } |
| 778 | else |
| 779 | ret = AccessDone0x400; |
| 780 | } |
| 781 | else |
| 782 | { |
| 783 | bfont->pfont->info.cachable = rep->cachable != 0; |
| 784 | bfont->state = FS_INFO_REPLY1; |
| 785 | /* |
| 786 | * Reset the blockrec for the next reply |
| 787 | */ |
| 788 | blockrec->sequenceNumber = bfont->queryInfoSequence; |
| 789 | conn->blockedReplyTime = GetTimeInMillis () + FontServerRequestTimeout; |
| 790 | ret = StillWorking81; |
| 791 | } |
| 792 | _fs_done_read (conn, rep->length << 2); |
| 793 | return ret; |
| 794 | } |
| 795 | |
| 796 | static Bool |
| 797 | fs_fonts_match (FontInfoPtr pInfo1, FontInfoPtr pInfo2) |
| 798 | { |
| 799 | int i; |
| 800 | |
| 801 | if (pInfo1->firstCol != pInfo2->firstCol || |
| 802 | pInfo1->lastCol != pInfo2->lastCol || |
| 803 | pInfo1->firstRow != pInfo2->firstRow || |
| 804 | pInfo1->lastRow != pInfo2->lastRow || |
| 805 | pInfo1->defaultCh != pInfo2->defaultCh || |
| 806 | pInfo1->noOverlap != pInfo2->noOverlap || |
| 807 | pInfo1->terminalFont != pInfo2->terminalFont || |
| 808 | pInfo1->constantMetrics != pInfo2->constantMetrics || |
| 809 | pInfo1->constantWidth != pInfo2->constantWidth || |
| 810 | pInfo1->inkInside != pInfo2->inkInside || |
| 811 | pInfo1->inkMetrics != pInfo2->inkMetrics || |
| 812 | pInfo1->allExist != pInfo2->allExist || |
| 813 | pInfo1->drawDirection != pInfo2->drawDirection || |
| 814 | pInfo1->cachable != pInfo2->cachable || |
| 815 | pInfo1->anamorphic != pInfo2->anamorphic || |
| 816 | pInfo1->maxOverlap != pInfo2->maxOverlap || |
| 817 | pInfo1->fontAscent != pInfo2->fontAscent || |
| 818 | pInfo1->fontDescent != pInfo2->fontDescent || |
| 819 | pInfo1->nprops != pInfo2->nprops) |
| 820 | return FALSE0; |
| 821 | |
| 822 | #define MATCH(xci1, xci2) \ |
| 823 | (((xci1).leftSideBearing == (xci2).leftSideBearing) && \ |
| 824 | ((xci1).rightSideBearing == (xci2).rightSideBearing) && \ |
| 825 | ((xci1).characterWidth == (xci2).characterWidth) && \ |
| 826 | ((xci1).ascent == (xci2).ascent) && \ |
| 827 | ((xci1).descent == (xci2).descent) && \ |
| 828 | ((xci1).attributes == (xci2).attributes)) |
| 829 | |
| 830 | if (!MATCH(pInfo1->maxbounds, pInfo2->maxbounds) || |
| 831 | !MATCH(pInfo1->minbounds, pInfo2->minbounds) || |
| 832 | !MATCH(pInfo1->ink_maxbounds, pInfo2->ink_maxbounds) || |
| 833 | !MATCH(pInfo1->ink_minbounds, pInfo2->ink_minbounds)) |
| 834 | return FALSE0; |
| 835 | |
| 836 | #undef MATCH |
| 837 | |
| 838 | for (i = 0; i < pInfo1->nprops; i++) |
| 839 | if (pInfo1->isStringProp[i] != |
| 840 | pInfo2->isStringProp[i] || |
| 841 | pInfo1->props[i].name != |
| 842 | pInfo2->props[i].name || |
| 843 | pInfo1->props[i].value != |
| 844 | pInfo2->props[i].value) |
| 845 | { |
| 846 | return FALSE0; |
| 847 | } |
| 848 | return TRUE1; |
| 849 | } |
| 850 | |
| 851 | static int |
| 852 | fs_read_query_info(FontPathElementPtr fpe, FSBlockDataPtr blockrec) |
| 853 | { |
| 854 | FSBlockedFontPtr bfont = (FSBlockedFontPtr) blockrec->data; |
| 855 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 856 | fsQueryXInfoReply *rep; |
| 857 | char *buf; |
| 858 | long bufleft; /* length of reply left to use */ |
| 859 | fsPropInfo *pi; |
| 860 | fsPropOffset *po; |
| 861 | pointer pd; |
| 862 | FontInfoPtr pInfo; |
| 863 | FontInfoRec tempInfo; |
| 864 | int err; |
| 865 | int ret; |
| 866 | |
| 867 | rep = (fsQueryXInfoReply *) fs_get_reply (conn, &ret); |
| 868 | if (!rep || rep->type == FS_Error1 || |
| 869 | (rep->length < LENGTHOF(fsQueryXInfoReply)((8 + 40) >> 2))) |
| 870 | { |
| 871 | if (ret == FSIO_BLOCK0) |
| 872 | return StillWorking81; |
| 873 | if (rep) |
| 874 | _fs_done_read (conn, rep->length << 2); |
| 875 | fs_cleanup_bfont (bfont); |
| 876 | _fs_reply_failed (rep, fsQueryXInfoReply, "<"); |
| 877 | return BadFontName83; |
| 878 | } |
| 879 | |
| 880 | /* If this is a reopen, accumulate the query info into a dummy |
| 881 | font and compare to our original data. */ |
| 882 | if (bfont->flags & FontReopen0x0020) |
| 883 | pInfo = &tempInfo; |
| 884 | else |
| 885 | pInfo = &bfont->pfont->info; |
| 886 | |
| 887 | buf = (char *) rep; |
| 888 | buf += SIZEOF(fsQueryXInfoReply)(8 + 40); |
| 889 | |
| 890 | bufleft = rep->length << 2; |
| 891 | bufleft -= SIZEOF(fsQueryXInfoReply)(8 + 40); |
| 892 | |
| 893 | /* move the data over */ |
| 894 | fsUnpack_XFontInfoHeader(rep, pInfo)(pInfo)->allExist = ((rep)->font_header_flags & (1L << 0)) != 0; (pInfo)->drawDirection = ((rep)->font_header_draw_direction == 0) ? 0 : 1; (pInfo)->inkInside = ((rep)->font_header_flags & (1L << 1)) != 0; (pInfo)->firstRow = (rep)-> font_hdr_char_range_min_char_high; (pInfo)->firstCol = (rep )->font_hdr_char_range_min_char_low; (pInfo)->lastRow = (rep)->font_hdr_char_range_max_char_high; (pInfo)->lastCol = (rep)->font_hdr_char_range_max_char_low; (pInfo)->defaultCh = (rep)->font_header_default_char_low + ((rep)->font_header_default_char_high << 8); (pInfo)->fontDescent = (rep)->font_header_font_descent ; (pInfo)->fontAscent = (rep)->font_header_font_ascent; (&(pInfo)->minbounds)->leftSideBearing = (rep)-> font_header_min_bounds_left; (&(pInfo)->minbounds)-> rightSideBearing = (rep)->font_header_min_bounds_right; (& (pInfo)->minbounds)->characterWidth = (rep)->font_header_min_bounds_width ; (&(pInfo)->minbounds)->ascent = (rep)->font_header_min_bounds_ascent ; (&(pInfo)->minbounds)->descent = (rep)->font_header_min_bounds_descent ; (&(pInfo)->minbounds)->attributes = (rep)->font_header_min_bounds_attributes ; (&(pInfo)->ink_minbounds)->leftSideBearing = (rep )->font_header_min_bounds_left; (&(pInfo)->ink_minbounds )->rightSideBearing = (rep)->font_header_min_bounds_right ; (&(pInfo)->ink_minbounds)->characterWidth = (rep) ->font_header_min_bounds_width; (&(pInfo)->ink_minbounds )->ascent = (rep)->font_header_min_bounds_ascent; (& (pInfo)->ink_minbounds)->descent = (rep)->font_header_min_bounds_descent ; (&(pInfo)->ink_minbounds)->attributes = (rep)-> font_header_min_bounds_attributes; (&(pInfo)->maxbounds )->leftSideBearing = (rep)->font_header_max_bounds_left ; (&(pInfo)->maxbounds)->rightSideBearing = (rep)-> font_header_max_bounds_right; (&(pInfo)->maxbounds)-> characterWidth = (rep)->font_header_max_bounds_width; (& (pInfo)->maxbounds)->ascent = (rep)->font_header_max_bounds_ascent ; (&(pInfo)->maxbounds)->descent = (rep)->font_header_max_bounds_descent ; (&(pInfo)->maxbounds)->attributes = (rep)->font_header_max_bounds_attributes ; (&(pInfo)->ink_maxbounds)->leftSideBearing = (rep )->font_header_max_bounds_left; (&(pInfo)->ink_maxbounds )->rightSideBearing = (rep)->font_header_max_bounds_right ; (&(pInfo)->ink_maxbounds)->characterWidth = (rep) ->font_header_max_bounds_width; (&(pInfo)->ink_maxbounds )->ascent = (rep)->font_header_max_bounds_ascent; (& (pInfo)->ink_maxbounds)->descent = (rep)->font_header_max_bounds_descent ; (&(pInfo)->ink_maxbounds)->attributes = (rep)-> font_header_max_bounds_attributes; |
| 895 | |
| 896 | /* compute accelerators */ |
| 897 | _fs_init_fontinfo(conn, pInfo); |
| 898 | |
| 899 | /* Compute offsets into the reply */ |
| 900 | if (bufleft < SIZEOF(fsPropInfo)8) |
| 901 | { |
| 902 | ret = -1; |
| 903 | #ifdef DEBUG |
| 904 | fprintf(stderr__stderrp, "fsQueryXInfo: bufleft (%ld) < SIZEOF(fsPropInfo)\n", |
| 905 | bufleft); |
| 906 | #endif |
| 907 | goto bail; |
| 908 | } |
| 909 | pi = (fsPropInfo *) buf; |
| 910 | buf += SIZEOF (fsPropInfo)8; |
| 911 | bufleft -= SIZEOF(fsPropInfo)8; |
| 912 | |
| 913 | if ((bufleft / SIZEOF(fsPropOffset)20) < pi->num_offsets) |
| 914 | { |
| 915 | ret = -1; |
| 916 | #ifdef DEBUG |
| 917 | fprintf(stderr__stderrp, |
| 918 | "fsQueryXInfo: bufleft (%ld) / SIZEOF(fsPropOffset) < %d\n", |
| 919 | bufleft, pi->num_offsets); |
| 920 | #endif |
| 921 | goto bail; |
| 922 | } |
| 923 | po = (fsPropOffset *) buf; |
| 924 | buf += pi->num_offsets * SIZEOF(fsPropOffset)20; |
| 925 | bufleft -= pi->num_offsets * SIZEOF(fsPropOffset)20; |
| 926 | |
| 927 | if (bufleft < pi->data_len) |
| 928 | { |
| 929 | ret = -1; |
| 930 | #ifdef DEBUG |
| 931 | fprintf(stderr__stderrp, |
| 932 | "fsQueryXInfo: bufleft (%ld) < data_len (%d)\n", |
| 933 | bufleft, pi->data_len); |
| 934 | #endif |
| 935 | goto bail; |
| 936 | } |
| 937 | pd = (pointer) buf; |
| 938 | buf += pi->data_len; |
| 939 | bufleft -= pi->data_len; |
| 940 | |
| 941 | /* convert the properties and step over the reply */ |
| 942 | ret = _fs_convert_props(pi, po, pd, pInfo); |
| 943 | bail: |
| 944 | _fs_done_read (conn, rep->length << 2); |
| 945 | |
| 946 | if (ret == -1) |
| 947 | { |
| 948 | fs_cleanup_bfont (bfont); |
| 949 | return AllocError80; |
| 950 | } |
| 951 | |
| 952 | if (bfont->flags & FontReopen0x0020) |
| 953 | { |
| 954 | /* We're reopening a font that we lost because of a downed |
| 955 | connection. In the interest of avoiding corruption from |
| 956 | opening a different font than the old one (we already have |
| 957 | its metrics, extents, and probably some of its glyphs), |
| 958 | verify that the metrics and properties all match. */ |
| 959 | |
| 960 | if (fs_fonts_match (pInfo, &bfont->pfont->info)) |
| 961 | { |
| 962 | err = Successful85; |
| 963 | bfont->state = FS_DONE_REPLY4; |
| 964 | } |
| 965 | else |
| 966 | { |
| 967 | fs_cleanup_bfont (bfont); |
| 968 | err = BadFontName83; |
| 969 | } |
| 970 | _fs_free_props (pInfo); |
| 971 | |
| 972 | return err; |
| 973 | } |
| 974 | |
| 975 | /* |
| 976 | * Ask for terminal format fonts if possible |
| 977 | */ |
| 978 | if (bfont->pfont->info.terminalFont) |
| 979 | bfont->format = ((bfont->format & ~ (BitmapFormatImageRectMask(3L << 2))) | |
| 980 | BitmapFormatImageRectMax(2L << 2)); |
| 981 | |
| 982 | /* |
| 983 | * Figure out if the whole font should get loaded right now. |
| 984 | */ |
| 985 | if (glyphCachingMode == CACHING_OFF0 || |
| 986 | (glyphCachingMode == CACHE_16_BIT_GLYPHS1 |
| 987 | && !bfont->pfont->info.lastRow)) |
| 988 | { |
| 989 | bfont->flags |= FontLoadAll0x000f; |
| 990 | } |
| 991 | |
| 992 | /* |
| 993 | * Ready to send the query bitmaps; the terminal font bit has |
| 994 | * been computed and glyphCaching has been considered |
| 995 | */ |
| 996 | if (bfont->flags & FontLoadBitmaps0x0008) |
| 997 | { |
| 998 | fs_send_query_bitmaps (fpe, blockrec); |
| 999 | _fs_flush (conn); |
| 1000 | } |
| 1001 | |
| 1002 | bfont->state = FS_EXTENT_REPLY2; |
| 1003 | |
| 1004 | /* |
| 1005 | * Reset the blockrec for the next reply |
| 1006 | */ |
| 1007 | blockrec->sequenceNumber = bfont->queryExtentsSequence; |
| 1008 | conn->blockedReplyTime = GetTimeInMillis () + FontServerRequestTimeout; |
| 1009 | |
| 1010 | return StillWorking81; |
| 1011 | } |
| 1012 | |
| 1013 | static int |
| 1014 | fs_read_extent_info(FontPathElementPtr fpe, FSBlockDataPtr blockrec) |
| 1015 | { |
| 1016 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 1017 | FSBlockedFontPtr bfont = (FSBlockedFontPtr) blockrec->data; |
| 1018 | FSFontDataPtr fsd = (FSFontDataPtr) bfont->pfont->fpePrivate; |
| 1019 | FSFontPtr fsfont = (FSFontPtr) bfont->pfont->fontPrivate; |
| 1020 | fsQueryXExtents16Reply *rep; |
| 1021 | char *buf; |
| 1022 | int i; |
| 1023 | int numExtents; |
| 1024 | int numInfos; |
| 1025 | int ret; |
| 1026 | Bool haveInk = FALSE0; /* need separate ink metrics? */ |
| 1027 | CharInfoPtr ci, pCI; |
| 1028 | char *fsci; |
| 1029 | fsXCharInfo fscilocal; |
| 1030 | FontInfoRec *fi = &bfont->pfont->info; |
| 1031 | |
| 1032 | rep = (fsQueryXExtents16Reply *) fs_get_reply (conn, &ret); |
| 1033 | if (!rep || rep->type == FS_Error1 || |
| 1034 | (rep->length < LENGTHOF(fsQueryXExtents16Reply)(12 >> 2))) |
| 1035 | { |
| 1036 | if (ret == FSIO_BLOCK0) |
| 1037 | return StillWorking81; |
| 1038 | if (rep) |
| 1039 | _fs_done_read (conn, rep->length << 2); |
| 1040 | fs_cleanup_bfont (bfont); |
| 1041 | _fs_reply_failed (rep, fsQueryXExtents16Reply, "<"); |
| 1042 | return BadFontName83; |
| 1043 | } |
| 1044 | |
| 1045 | /* move the data over */ |
| 1046 | /* need separate inkMetrics for fixed font server protocol version */ |
| 1047 | numExtents = rep->num_extents; |
| 1048 | numInfos = numExtents; |
| 1049 | if (bfont->pfont->info.terminalFont && conn->fsMajorVersion > 1) |
| 1050 | { |
| 1051 | numInfos *= 2; |
| 1052 | haveInk = TRUE1; |
| 1053 | } |
| 1054 | if (numInfos >= (INT_MAX2147483647 / sizeof(CharInfoRec))) { |
| 1055 | #ifdef DEBUG |
| 1056 | fprintf(stderr__stderrp, |
| 1057 | "fsQueryXExtents16: numInfos (%d) >= %ld\n", |
| 1058 | numInfos, (INT_MAX2147483647 / sizeof(CharInfoRec))); |
| 1059 | #endif |
| 1060 | pCI = NULL((void*)0); |
| 1061 | } |
| 1062 | else if (numExtents > ((rep->length - LENGTHOF(fsQueryXExtents16Reply)(12 >> 2)) |
| 1063 | / LENGTHOF(fsXCharInfo)(12 >> 2))) { |
| 1064 | #ifdef DEBUG |
| 1065 | fprintf(stderr__stderrp, |
| 1066 | "fsQueryXExtents16: numExtents (%d) > (%d - %d) / %d\n", |
| 1067 | numExtents, rep->length, |
| 1068 | LENGTHOF(fsQueryXExtents16Reply)(12 >> 2), LENGTHOF(fsXCharInfo)(12 >> 2)); |
| 1069 | #endif |
| 1070 | pCI = NULL((void*)0); |
| 1071 | } |
| 1072 | else |
| 1073 | pCI = malloc(sizeof(CharInfoRec) * numInfos); |
| 1074 | |
| 1075 | if (!pCI) |
| 1076 | { |
| 1077 | _fs_done_read (conn, rep->length << 2); |
| 1078 | fs_cleanup_bfont(bfont); |
| 1079 | return AllocError80; |
| 1080 | } |
| 1081 | fsfont->encoding = pCI; |
| 1082 | if (haveInk) |
| 1083 | fsfont->inkMetrics = pCI + numExtents; |
| 1084 | else |
| 1085 | fsfont->inkMetrics = pCI; |
| 1086 | |
| 1087 | buf = (char *) rep; |
| 1088 | buf += SIZEOF (fsQueryXExtents16Reply)12; |
| 1089 | fsci = buf; |
| 1090 | |
| 1091 | fsd->glyphs_to_get = 0; |
| 1092 | ci = fsfont->inkMetrics; |
| 1093 | for (i = 0; i < numExtents; i++) |
| 1094 | { |
| 1095 | memcpy(&fscilocal, fsci, SIZEOF(fsXCharInfo))__builtin___memcpy_chk (&fscilocal, fsci, 12, __builtin_object_size (&fscilocal, 0)); /* align it */ |
| 1096 | _fs_convert_char_info(&fscilocal, &ci->metrics); |
| 1097 | /* Bounds check. */ |
| 1098 | if (ci->metrics.ascent > fi->maxbounds.ascent) |
| 1099 | { |
| 1100 | ErrorF("fserve: warning: %s %s ascent (%d) > maxascent (%d)\n", |
| 1101 | fpe->name, fsd->name, |
| 1102 | ci->metrics.ascent, fi->maxbounds.ascent); |
| 1103 | ci->metrics.ascent = fi->maxbounds.ascent; |
| 1104 | } |
| 1105 | if (ci->metrics.descent > fi->maxbounds.descent) |
| 1106 | { |
| 1107 | ErrorF("fserve: warning: %s %s descent (%d) > maxdescent (%d)\n", |
| 1108 | fpe->name, fsd->name, |
| 1109 | ci->metrics.descent, fi->maxbounds.descent); |
| 1110 | ci->metrics.descent = fi->maxbounds.descent; |
| 1111 | } |
| 1112 | fsci = fsci + SIZEOF(fsXCharInfo)12; |
| 1113 | /* Initialize the bits field for later glyph-caching use */ |
| 1114 | if (NONZEROMETRICS(&ci->metrics)((&ci->metrics)->leftSideBearing || (&ci->metrics )->rightSideBearing || (&ci->metrics)->ascent || (&ci->metrics)->descent || (&ci->metrics)-> characterWidth)) |
| 1115 | { |
| 1116 | if (!haveInk && |
| 1117 | (ci->metrics.leftSideBearing == ci->metrics.rightSideBearing || |
| 1118 | ci->metrics.ascent == -ci->metrics.descent)) |
| 1119 | pCI[i].bits = &_fs_glyph_zero_length; |
| 1120 | else |
| 1121 | { |
| 1122 | pCI[i].bits = &_fs_glyph_undefined; |
| 1123 | fsd->glyphs_to_get++; |
| 1124 | } |
| 1125 | } |
| 1126 | else |
| 1127 | pCI[i].bits = (char *)0; |
| 1128 | ci++; |
| 1129 | } |
| 1130 | |
| 1131 | /* Done with reply */ |
| 1132 | _fs_done_read (conn, rep->length << 2); |
| 1133 | |
| 1134 | /* build bitmap metrics, ImageRectMax style */ |
| 1135 | if (haveInk) |
| 1136 | { |
| 1137 | CharInfoPtr ii; |
| 1138 | |
| 1139 | ci = fsfont->encoding; |
| 1140 | ii = fsfont->inkMetrics; |
| 1141 | for (i = 0; i < numExtents; i++, ci++, ii++) |
| 1142 | { |
| 1143 | if (NONZEROMETRICS(&ii->metrics)((&ii->metrics)->leftSideBearing || (&ii->metrics )->rightSideBearing || (&ii->metrics)->ascent || (&ii->metrics)->descent || (&ii->metrics)-> characterWidth)) |
| 1144 | { |
| 1145 | ci->metrics.leftSideBearing = FONT_MIN_LEFT(fi)((fi)->ink_minbounds.leftSideBearing < 0 ? (fi)->ink_minbounds .leftSideBearing : 0); |
| 1146 | ci->metrics.rightSideBearing = FONT_MAX_RIGHT(fi)((fi)->ink_maxbounds.rightSideBearing > (fi)->ink_maxbounds .characterWidth ? (fi)->ink_maxbounds.rightSideBearing : ( fi)->ink_maxbounds.characterWidth); |
| 1147 | ci->metrics.ascent = FONT_MAX_ASCENT(fi)((fi)->fontAscent > (fi)->ink_maxbounds.ascent ? (fi )->fontAscent : (fi)->ink_maxbounds.ascent); |
| 1148 | ci->metrics.descent = FONT_MAX_DESCENT(fi)((fi)->fontDescent > (fi)->ink_maxbounds.descent ? ( fi)->fontDescent : (fi)->ink_maxbounds.descent); |
| 1149 | ci->metrics.characterWidth = FONT_MAX_WIDTH(fi)(((fi)->ink_maxbounds.rightSideBearing > (fi)->ink_maxbounds .characterWidth ? (fi)->ink_maxbounds.rightSideBearing : ( fi)->ink_maxbounds.characterWidth) - ((fi)->ink_minbounds .leftSideBearing < 0 ? (fi)->ink_minbounds.leftSideBearing : 0)); |
| 1150 | ci->metrics.attributes = ii->metrics.attributes; |
| 1151 | } |
| 1152 | else |
| 1153 | { |
| 1154 | ci->metrics = ii->metrics; |
| 1155 | } |
| 1156 | /* Bounds check. */ |
| 1157 | if (ci->metrics.ascent > fi->maxbounds.ascent) |
| 1158 | { |
| 1159 | ErrorF("fserve: warning: %s %s ascent (%d) " |
| 1160 | "> maxascent (%d)\n", |
| 1161 | fpe->name, fsd->name, |
| 1162 | ci->metrics.ascent, fi->maxbounds.ascent); |
| 1163 | ci->metrics.ascent = fi->maxbounds.ascent; |
| 1164 | } |
| 1165 | if (ci->metrics.descent > fi->maxbounds.descent) |
| 1166 | { |
| 1167 | ErrorF("fserve: warning: %s %s descent (%d) " |
| 1168 | "> maxdescent (%d)\n", |
| 1169 | fpe->name, fsd->name, |
| 1170 | ci->metrics.descent, fi->maxbounds.descent); |
| 1171 | ci->metrics.descent = fi->maxbounds.descent; |
| 1172 | } |
| 1173 | } |
| 1174 | } |
| 1175 | { |
| 1176 | unsigned int r, c, numCols, firstCol; |
| 1177 | |
| 1178 | firstCol = bfont->pfont->info.firstCol; |
| 1179 | numCols = bfont->pfont->info.lastCol - firstCol + 1; |
| 1180 | c = bfont->pfont->info.defaultCh; |
| 1181 | fsfont->pDefault = 0; |
| 1182 | if (bfont->pfont->info.lastRow) |
| 1183 | { |
| 1184 | r = c >> 8; |
| 1185 | r -= bfont->pfont->info.firstRow; |
| 1186 | c &= 0xff; |
| 1187 | c -= firstCol; |
| 1188 | if (r < bfont->pfont->info.lastRow-bfont->pfont->info.firstRow+1 && |
| 1189 | c < numCols) |
| 1190 | fsfont->pDefault = &pCI[r * numCols + c]; |
| 1191 | } |
| 1192 | else |
| 1193 | { |
| 1194 | c -= firstCol; |
| 1195 | if (c < numCols) |
| 1196 | fsfont->pDefault = &pCI[c]; |
| 1197 | } |
| 1198 | } |
| 1199 | bfont->state = FS_GLYPHS_REPLY3; |
| 1200 | |
| 1201 | if (bfont->flags & FontLoadBitmaps0x0008) |
| 1202 | { |
| 1203 | /* |
| 1204 | * Reset the blockrec for the next reply |
| 1205 | */ |
| 1206 | blockrec->sequenceNumber = bfont->queryBitmapsSequence; |
| 1207 | conn->blockedReplyTime = GetTimeInMillis () + FontServerRequestTimeout; |
| 1208 | return StillWorking81; |
| 1209 | } |
| 1210 | return Successful85; |
| 1211 | } |
| 1212 | |
| 1213 | #ifdef DEBUG |
| 1214 | static const char *fs_open_states[] = { |
| 1215 | "OPEN_REPLY ", |
| 1216 | "INFO_REPLY ", |
| 1217 | "EXTENT_REPLY", |
| 1218 | "GLYPHS_REPLY", |
| 1219 | "DONE_REPLY ", |
| 1220 | "DEPENDING ", |
| 1221 | }; |
| 1222 | #endif |
| 1223 | |
| 1224 | static int |
| 1225 | fs_do_open_font(FontPathElementPtr fpe, FSBlockDataPtr blockrec) |
| 1226 | { |
| 1227 | FSBlockedFontPtr bfont = (FSBlockedFontPtr) blockrec->data; |
| 1228 | int err; |
| 1229 | |
| 1230 | #ifdef DEBUG |
| 1231 | fprintf (stderr__stderrp, "fs_do_open_font state %s %s\n", |
| 1232 | fs_open_states[bfont->state], |
| 1233 | ((FSFontDataPtr) (bfont->pfont->fpePrivate))->name); |
| 1234 | #endif |
| 1235 | err = BadFontName83; |
| 1236 | switch (bfont->state) { |
| 1237 | case FS_OPEN_REPLY0: |
| 1238 | err = fs_read_open_font(fpe, blockrec); |
| 1239 | if (err != StillWorking81) { /* already loaded, or error */ |
| 1240 | /* if font's already loaded, massage error code */ |
| 1241 | switch (bfont->state) { |
| 1242 | case FS_DONE_REPLY4: |
| 1243 | err = Successful85; |
| 1244 | break; |
| 1245 | case FS_DEPENDING5: |
| 1246 | err = StillWorking81; |
| 1247 | break; |
| 1248 | } |
| 1249 | } |
| 1250 | break; |
| 1251 | case FS_INFO_REPLY1: |
| 1252 | err = fs_read_query_info(fpe, blockrec); |
| 1253 | break; |
| 1254 | case FS_EXTENT_REPLY2: |
| 1255 | err = fs_read_extent_info(fpe, blockrec); |
| 1256 | break; |
| 1257 | case FS_GLYPHS_REPLY3: |
| 1258 | if (bfont->flags & FontLoadBitmaps0x0008) |
| 1259 | err = fs_read_glyphs(fpe, blockrec); |
| 1260 | break; |
| 1261 | case FS_DEPENDING5: /* can't happen */ |
| 1262 | default: |
| 1263 | break; |
| 1264 | } |
| 1265 | #ifdef DEBUG |
| 1266 | fprintf (stderr__stderrp, "fs_do_open_font err %d\n", err); |
| 1267 | #endif |
| 1268 | if (err != StillWorking81) |
| 1269 | { |
| 1270 | bfont->state = FS_DONE_REPLY4; /* for _fs_load_glyphs() */ |
| 1271 | while ((blockrec = blockrec->depending)) |
| 1272 | { |
| 1273 | bfont = (FSBlockedFontPtr) blockrec->data; |
| 1274 | bfont->state = FS_DONE_REPLY4; /* for _fs_load_glyphs() */ |
| 1275 | } |
| 1276 | } |
| 1277 | return err; |
| 1278 | } |
| 1279 | |
| 1280 | void |
| 1281 | _fs_mark_block (FSFpePtr conn, CARD32 mask) |
| 1282 | { |
| 1283 | conn->blockState |= mask; |
| 1284 | fs_blockState |= mask; |
| 1285 | } |
| 1286 | |
| 1287 | void |
| 1288 | _fs_unmark_block (FSFpePtr conn, CARD32 mask) |
| 1289 | { |
| 1290 | FSFpePtr c; |
| 1291 | |
| 1292 | if (conn->blockState & mask) |
| 1293 | { |
| 1294 | conn->blockState &= ~mask; |
| 1295 | fs_blockState = 0; |
| 1296 | for (c = fs_fpes; c; c = c->next) |
| 1297 | fs_blockState |= c->blockState; |
| 1298 | } |
| 1299 | } |
| 1300 | |
| 1301 | /* ARGSUSED */ |
| 1302 | static void |
| 1303 | fs_block_handler(pointer data, OSTimePtr wt, pointer LastSelectMask) |
| 1304 | { |
| 1305 | static struct timeval block_timeout; |
| 1306 | CARD32 now, earliest, wakeup; |
| 1307 | int soonest; |
| 1308 | FSFpePtr conn; |
| 1309 | |
| 1310 | XFD_ORSET((fd_set *)LastSelectMask, (fd_set *)LastSelectMask,{ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( ((fd_set *)LastSelectMask))->fds_bits))[__i__] = (((((((fd_set *)LastSelectMask))->fds_bits))[__i__]) | (((((&_fs_fd_mask ))->fds_bits))[__i__])); } |
| 1311 | &_fs_fd_mask){ int __i__; for (__i__ = 0; __i__ < ((((1024) % ((sizeof( __int32_t) * 8))) == 0) ? ((1024) / ((sizeof(__int32_t) * 8)) ) : (((1024) / ((sizeof(__int32_t) * 8))) + 1)); __i__++) ((( ((fd_set *)LastSelectMask))->fds_bits))[__i__] = (((((((fd_set *)LastSelectMask))->fds_bits))[__i__]) | (((((&_fs_fd_mask ))->fds_bits))[__i__])); }; |
| 1312 | /* |
| 1313 | * Flush all pending output |
| 1314 | */ |
| 1315 | if (fs_blockState & FS_PENDING_WRITE0x01) |
| 1316 | for (conn = fs_fpes; conn; conn = conn->next) |
| 1317 | if (conn->blockState & FS_PENDING_WRITE0x01) |
| 1318 | _fs_flush (conn); |
| 1319 | /* |
| 1320 | * Check for any fpe with a complete reply, set sleep time to zero |
| 1321 | */ |
| 1322 | if (fs_blockState & FS_COMPLETE_REPLY0x20) |
| 1323 | { |
| 1324 | block_timeout.tv_sec = 0; |
| 1325 | block_timeout.tv_usec = 0; |
| 1326 | if (*wt == NULL((void*)0)) |
| 1327 | *wt = &block_timeout; |
| 1328 | else |
| 1329 | **wt = block_timeout; |
| 1330 | } |
| 1331 | /* |
| 1332 | * Walk through fpe list computing sleep time |
| 1333 | */ |
| 1334 | else if (fs_blockState & (FS_BROKEN_WRITE0x02| |
| 1335 | FS_BROKEN_CONNECTION0x04| |
| 1336 | FS_PENDING_REPLY0x08| |
| 1337 | FS_RECONNECTING0x40)) |
| 1338 | { |
| 1339 | now = GetTimeInMillis (); |
| 1340 | earliest = now + 10000000; |
| 1341 | for (conn = fs_fpes; conn; conn = conn->next) |
| 1342 | { |
| 1343 | if (conn->blockState & FS_RECONNECTING0x40) |
| 1344 | { |
| 1345 | wakeup = conn->blockedConnectTime; |
| 1346 | if (TimeCmp (wakeup, <, earliest)((int) ((wakeup) - (earliest)) < 0)) |
| 1347 | earliest = wakeup; |
| 1348 | } |
| 1349 | if (conn->blockState & FS_BROKEN_CONNECTION0x04) |
| 1350 | { |
| 1351 | wakeup = conn->brokenConnectionTime; |
| 1352 | if (TimeCmp (wakeup, <, earliest)((int) ((wakeup) - (earliest)) < 0)) |
| 1353 | earliest = wakeup; |
| 1354 | } |
| 1355 | if (conn->blockState & FS_BROKEN_WRITE0x02) |
| 1356 | { |
| 1357 | wakeup = conn->brokenWriteTime; |
| 1358 | if (TimeCmp (wakeup, <, earliest)((int) ((wakeup) - (earliest)) < 0)) |
| 1359 | earliest = wakeup; |
| 1360 | } |
| 1361 | if (conn->blockState & FS_PENDING_REPLY0x08) |
| 1362 | { |
| 1363 | wakeup = conn->blockedReplyTime; |
| 1364 | if (TimeCmp (wakeup, <, earliest)((int) ((wakeup) - (earliest)) < 0)) |
| 1365 | earliest = wakeup; |
| 1366 | } |
| 1367 | } |
| 1368 | soonest = earliest - now; |
| 1369 | if (soonest < 0) |
| 1370 | soonest = 0; |
| 1371 | block_timeout.tv_sec = soonest / 1000; |
| 1372 | block_timeout.tv_usec = (soonest % 1000) * 1000; |
| 1373 | if (*wt == NULL((void*)0)) |
| 1374 | *wt = &block_timeout; |
| 1375 | else if (soonest < (*wt)->tv_sec * 1000 + (*wt)->tv_usec / 1000) |
| 1376 | **wt = block_timeout; |
| 1377 | } |
| 1378 | } |
| 1379 | |
| 1380 | static void |
| 1381 | fs_handle_unexpected(FSFpePtr conn, fsGenericReply *rep) |
| 1382 | { |
| 1383 | if (rep->type == FS_Event2 && rep->data1 == KeepAlive0) |
| 1384 | { |
| 1385 | fsNoopReq req; |
| 1386 | |
| 1387 | /* ping it back */ |
| 1388 | req.reqType = FS_Noop0; |
| 1389 | req.length = SIZEOF(fsNoopReq)4 >> 2; |
| 1390 | _fs_add_req_log(conn, FS_Noop)((conn)->current_seq++); |
| 1391 | _fs_write(conn, (char *) &req, SIZEOF(fsNoopReq)4); |
| 1392 | } |
| 1393 | /* this should suck up unexpected replies and events */ |
| 1394 | _fs_done_read (conn, rep->length << 2); |
| 1395 | } |
| 1396 | |
| 1397 | static void |
| 1398 | fs_read_reply (FontPathElementPtr fpe, pointer client) |
| 1399 | { |
| 1400 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 1401 | FSBlockDataPtr blockrec; |
| 1402 | int ret; |
| 1403 | int err; |
| 1404 | fsGenericReply *rep; |
| 1405 | |
| 1406 | if ((rep = fs_get_reply (conn, &ret))) |
| 1407 | { |
| 1408 | _fs_add_rep_log (conn, rep); |
| 1409 | for (blockrec = conn->blockedRequests; |
| 1410 | blockrec; |
| 1411 | blockrec = blockrec->next) |
| 1412 | { |
| 1413 | if (blockrec->sequenceNumber == rep->sequenceNumber) |
| 1414 | break; |
| 1415 | } |
| 1416 | err = Successful85; |
| 1417 | if (!blockrec) |
| 1418 | { |
| 1419 | fs_handle_unexpected(conn, rep); |
| 1420 | } |
| 1421 | else |
| 1422 | { |
| 1423 | /* |
| 1424 | * go read it, and if we're done, |
| 1425 | * wake up the appropriate client |
| 1426 | */ |
| 1427 | switch (blockrec->type) { |
| 1428 | case FS_OPEN_FONT1: |
| 1429 | blockrec->errcode = fs_do_open_font(fpe, blockrec); |
| 1430 | break; |
| 1431 | case FS_LOAD_GLYPHS2: |
| 1432 | blockrec->errcode = fs_read_glyphs(fpe, blockrec); |
| 1433 | break; |
| 1434 | case FS_LIST_FONTS3: |
| 1435 | blockrec->errcode = fs_read_list(fpe, blockrec); |
| 1436 | break; |
| 1437 | case FS_LIST_WITH_INFO4: |
| 1438 | blockrec->errcode = fs_read_list_info(fpe, blockrec); |
| 1439 | break; |
| 1440 | default: |
| 1441 | break; |
| 1442 | } |
| 1443 | err = blockrec->errcode; |
| 1444 | if (err != StillWorking81) |
| 1445 | { |
| 1446 | while (blockrec) |
| 1447 | { |
| 1448 | blockrec->errcode = err; |
| 1449 | if (client != blockrec->client) |
| 1450 | ClientSignal(blockrec->client); |
| 1451 | blockrec = blockrec->depending; |
| 1452 | } |
| 1453 | _fs_unmark_block (conn, FS_PENDING_REPLY0x08); |
| 1454 | } |
| 1455 | } |
| 1456 | if (fs_reply_ready (conn)) |
| 1457 | _fs_mark_block (conn, FS_COMPLETE_REPLY0x20); |
| 1458 | else |
| 1459 | _fs_unmark_block (conn, FS_COMPLETE_REPLY0x20); |
| 1460 | } |
| 1461 | } |
| 1462 | |
| 1463 | static int |
| 1464 | fs_wakeup(FontPathElementPtr fpe, unsigned long *mask) |
| 1465 | { |
| 1466 | fd_set *LastSelectMask = (fd_set *) mask; |
| 1467 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 1468 | |
| 1469 | /* |
| 1470 | * Don't continue if the fd is -1 (which will be true when the |
| 1471 | * font server terminates |
| 1472 | */ |
| 1473 | if ((conn->blockState & FS_RECONNECTING0x40)) |
| 1474 | _fs_check_reconnect (conn); |
| 1475 | else if ((conn->blockState & FS_COMPLETE_REPLY0x20) || |
| 1476 | (conn->fs_fd != -1 && FD_ISSET(conn->fs_fd, LastSelectMask)__darwin_fd_isset((conn->fs_fd), (LastSelectMask)))) |
| 1477 | fs_read_reply (fpe, 0); |
| 1478 | if (conn->blockState & (FS_PENDING_REPLY0x08|FS_BROKEN_CONNECTION0x04|FS_BROKEN_WRITE0x02)) |
| 1479 | _fs_do_blocked (conn); |
| 1480 | #ifdef DEBUG |
| 1481 | { |
| 1482 | FSBlockDataPtr blockrec; |
| 1483 | FSBlockedFontPtr bfont; |
| 1484 | static CARD32 lastState; |
| 1485 | static FSBlockDataPtr lastBlock; |
| 1486 | |
| 1487 | if (conn->blockState || conn->blockedRequests || lastState || lastBlock) |
| 1488 | { |
| 1489 | fprintf (stderr__stderrp, " Block State 0x%x\n", (int) conn->blockState); |
| 1490 | lastState = conn->blockState; |
| 1491 | lastBlock = conn->blockedRequests; |
| 1492 | } |
| 1493 | for (blockrec = conn->blockedRequests; blockrec; blockrec = blockrec->next) |
| 1494 | { |
| 1495 | switch (blockrec->type) { |
| 1496 | case FS_OPEN_FONT1: |
| 1497 | bfont = (FSBlockedFontPtr) blockrec->data; |
| 1498 | fprintf (stderr__stderrp, " Blocked font errcode %d sequence %d state %s %s\n", |
| 1499 | blockrec->errcode, |
| 1500 | blockrec->sequenceNumber, |
| 1501 | fs_open_states[bfont->state], |
| 1502 | bfont->pfont ? |
| 1503 | ((FSFontDataPtr) (bfont->pfont->fpePrivate))->name : |
| 1504 | "<freed>"); |
| 1505 | break; |
| 1506 | case FS_LIST_FONTS3: |
| 1507 | fprintf (stderr__stderrp, " Blocked list errcode %d sequence %d\n", |
| 1508 | blockrec->errcode, blockrec->sequenceNumber); |
| 1509 | break; |
| 1510 | default: |
| 1511 | fprintf (stderr__stderrp, " Blocked type %d errcode %d sequence %d\n", |
| 1512 | blockrec->type, |
| 1513 | blockrec->errcode, |
| 1514 | blockrec->sequenceNumber); |
| 1515 | break; |
| 1516 | } |
| 1517 | } |
| 1518 | } |
| 1519 | #endif |
| 1520 | return FALSE0; |
| 1521 | } |
| 1522 | |
| 1523 | /* |
| 1524 | * Notice a dead connection and prepare for reconnect |
| 1525 | */ |
| 1526 | |
| 1527 | void |
| 1528 | _fs_connection_died(FSFpePtr conn) |
| 1529 | { |
| 1530 | if (conn->blockState & FS_BROKEN_CONNECTION0x04) |
| 1531 | return; |
| 1532 | fs_close_conn(conn); |
| 1533 | conn->brokenConnectionTime = GetTimeInMillis (); |
| 1534 | _fs_mark_block (conn, FS_BROKEN_CONNECTION0x04); |
| 1535 | _fs_unmark_block (conn, FS_BROKEN_WRITE0x02|FS_PENDING_WRITE0x01|FS_RECONNECTING0x40); |
| 1536 | } |
| 1537 | |
| 1538 | /* |
| 1539 | * Signal clients that the connection has come back up |
| 1540 | */ |
| 1541 | static int |
| 1542 | _fs_restart_connection(FSFpePtr conn) |
| 1543 | { |
| 1544 | FSBlockDataPtr block; |
| 1545 | |
| 1546 | _fs_unmark_block (conn, FS_GIVE_UP0x10); |
| 1547 | while ((block = (FSBlockDataPtr) conn->blockedRequests)) |
| 1548 | { |
| 1549 | if (block->errcode == StillWorking81) |
| 1550 | { |
| 1551 | ClientSignal(block->client); |
| 1552 | fs_abort_blockrec(conn, block); |
| 1553 | } |
| 1554 | } |
| 1555 | return TRUE1; |
| 1556 | } |
| 1557 | |
| 1558 | /* |
| 1559 | * Declare this font server connection useless |
| 1560 | */ |
| 1561 | static void |
| 1562 | _fs_giveup (FSFpePtr conn) |
| 1563 | { |
| 1564 | FSBlockDataPtr block; |
| 1565 | |
| 1566 | if (conn->blockState & FS_GIVE_UP0x10) |
| 1567 | return; |
| 1568 | #ifdef DEBUG |
| 1569 | fprintf (stderr__stderrp, "give up on FS \"%s\"\n", conn->servername); |
| 1570 | #endif |
| 1571 | _fs_mark_block (conn, FS_GIVE_UP0x10); |
| 1572 | while ((block = (FSBlockDataPtr) conn->blockedRequests)) |
| 1573 | { |
| 1574 | if (block->errcode == StillWorking81) |
| 1575 | { |
| 1576 | ClientSignal (block->client); |
| 1577 | fs_abort_blockrec (conn, block); |
| 1578 | } |
| 1579 | } |
| 1580 | if (conn->fs_fd >= 0) |
| 1581 | _fs_connection_died (conn); |
| 1582 | } |
| 1583 | |
| 1584 | static void |
| 1585 | _fs_do_blocked (FSFpePtr conn) |
| 1586 | { |
| 1587 | CARD32 now; |
| 1588 | |
| 1589 | now = GetTimeInMillis (); |
| 1590 | if ((conn->blockState & FS_PENDING_REPLY0x08) && |
| 1591 | TimeCmp (conn->blockedReplyTime, <=, now)((int) ((conn->blockedReplyTime) - (now)) <= 0)) |
| 1592 | { |
| 1593 | _fs_giveup (conn); |
| 1594 | } |
| 1595 | else |
| 1596 | { |
| 1597 | if (conn->blockState & FS_BROKEN_CONNECTION0x04) |
| 1598 | { |
| 1599 | /* Try to reconnect broken connections */ |
| 1600 | if (TimeCmp (conn->brokenConnectionTime, <=, now)((int) ((conn->brokenConnectionTime) - (now)) <= 0)) |
| 1601 | _fs_start_reconnect (conn); |
| 1602 | } |
| 1603 | else if (conn->blockState & FS_BROKEN_WRITE0x02) |
| 1604 | { |
| 1605 | /* Try to flush blocked connections */ |
| 1606 | if (TimeCmp (conn->brokenWriteTime, <=, now)((int) ((conn->brokenWriteTime) - (now)) <= 0)) |
| 1607 | _fs_flush (conn); |
| 1608 | } |
| 1609 | } |
| 1610 | } |
| 1611 | |
| 1612 | /* |
| 1613 | * sends the actual request out |
| 1614 | */ |
| 1615 | /* ARGSUSED */ |
| 1616 | static int |
| 1617 | fs_send_open_font(pointer client, FontPathElementPtr fpe, Mask flags, |
| 1618 | const char *name, int namelen, |
| 1619 | fsBitmapFormat format, fsBitmapFormatMask fmask, |
| 1620 | XID id, FontPtr *ppfont) |
| 1621 | { |
| 1622 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 1623 | FontPtr font; |
| 1624 | FSBlockDataPtr blockrec = NULL((void*)0); |
| 1625 | FSBlockedFontPtr bfont; |
| 1626 | FSFontDataPtr fsd; |
| 1627 | fsOpenBitmapFontReq openreq; |
| 1628 | fsQueryXInfoReq inforeq; |
| 1629 | fsQueryXExtents16Req extreq; |
| 1630 | int err; |
| 1631 | unsigned char buf[1024]; |
| 1632 | |
| 1633 | if (conn->blockState & FS_GIVE_UP0x10) |
| 1634 | return BadFontName83; |
| 1635 | |
| 1636 | if (namelen < 0 || namelen > sizeof (buf) - 1) |
| 1637 | return BadFontName83; |
| 1638 | |
| 1639 | /* |
| 1640 | * Get the font structure put together, either by reusing |
| 1641 | * the existing one or creating a new one |
| 1642 | */ |
| 1643 | if (flags & FontReopen0x0020) |
| 1644 | { |
| 1645 | Atom nameatom, fn = None0L; |
| 1646 | int i; |
| 1647 | |
| 1648 | font = *ppfont; |
| 1649 | fsd = (FSFontDataPtr)font->fpePrivate; |
| 1650 | /* This is an attempt to reopen a font. Did the font have a |
| 1651 | NAME property? */ |
| 1652 | if ((nameatom = MakeAtom("FONT", 4, 0)) != None0L) |
| 1653 | { |
| 1654 | for (i = 0; i < font->info.nprops; i++) |
| 1655 | if (font->info.props[i].name == nameatom && |
| 1656 | font->info.isStringProp[i]) |
| 1657 | { |
| 1658 | fn = font->info.props[i].value; |
| 1659 | break; |
| 1660 | } |
| 1661 | } |
| 1662 | if (fn == None0L || !(name = NameForAtom(fn))) |
| 1663 | { |
| 1664 | name = fsd->name; |
| 1665 | namelen = fsd->namelen; |
| 1666 | } |
| 1667 | else |
| 1668 | namelen = strlen(name); |
| 1669 | } |
| 1670 | else |
| 1671 | { |
| 1672 | font = fs_create_font (fpe, name, namelen, format, fmask); |
| 1673 | if (!font) |
| 1674 | return AllocError80; |
| 1675 | |
| 1676 | fsd = (FSFontDataPtr)font->fpePrivate; |
| 1677 | } |
| 1678 | |
| 1679 | /* make a new block record, and add it to the end of the list */ |
| 1680 | blockrec = fs_new_block_rec(font->fpe, client, FS_OPEN_FONT1); |
| 1681 | if (!blockrec) |
| 1682 | { |
| 1683 | if (!(flags & FontReopen0x0020)) |
| 1684 | (*font->unload_font) (font); |
| 1685 | return AllocError80; |
| 1686 | } |
| 1687 | |
| 1688 | /* |
| 1689 | * Must check this before generating any protocol, otherwise we'll |
| 1690 | * mess up a reconnect in progress |
| 1691 | */ |
| 1692 | if (conn->blockState & (FS_BROKEN_CONNECTION0x04 | FS_RECONNECTING0x40)) |
| 1693 | { |
| 1694 | _fs_pending_reply (conn); |
| 1695 | return Suspended84; |
| 1696 | } |
| 1697 | |
| 1698 | fsd->generation = conn->generation; |
| 1699 | |
| 1700 | bfont = (FSBlockedFontPtr) blockrec->data; |
| 1701 | bfont->fontid = fsd->fontid; |
| 1702 | bfont->pfont = font; |
| 1703 | bfont->state = FS_OPEN_REPLY0; |
| 1704 | bfont->flags = flags; |
| 1705 | bfont->format = fsd->format; |
| 1706 | bfont->clients_depending = (FSClientsDependingPtr)0; |
| 1707 | bfont->freeFont = (flags & FontReopen0x0020) == 0; |
| 1708 | |
| 1709 | _fs_client_access (conn, client, (flags & FontOpenSync0x0010) != 0); |
| 1710 | _fs_client_resolution(conn); |
| 1711 | |
| 1712 | /* do an FS_OpenFont, FS_QueryXInfo and FS_QueryXExtents */ |
| 1713 | buf[0] = (unsigned char) namelen; |
| 1714 | memcpy(&buf[1], name, namelen)__builtin___memcpy_chk (&buf[1], name, namelen, __builtin_object_size (&buf[1], 0)); |
| 1715 | openreq.reqType = FS_OpenBitmapFont15; |
| 1716 | openreq.pad = 0; |
| 1717 | openreq.fid = fsd->fontid; |
| 1718 | openreq.format_hint = fsd->format; |
| 1719 | openreq.format_mask = fsd->fmask; |
| 1720 | openreq.length = (SIZEOF(fsOpenBitmapFontReq)16 + namelen + 4) >> 2; |
| 1721 | |
| 1722 | _fs_add_req_log(conn, FS_OpenBitmapFont)((conn)->current_seq++); |
| 1723 | _fs_write(conn, (char *) &openreq, SIZEOF(fsOpenBitmapFontReq)16); |
| 1724 | _fs_write_pad(conn, (char *) buf, namelen + 1); |
| 1725 | |
| 1726 | blockrec->sequenceNumber = conn->current_seq; |
| 1727 | |
| 1728 | inforeq.reqType = FS_QueryXInfo16; |
| 1729 | inforeq.pad = 0; |
| 1730 | inforeq.id = fsd->fontid; |
| 1731 | inforeq.length = SIZEOF(fsQueryXInfoReq)8 >> 2; |
| 1732 | |
| 1733 | bfont->queryInfoSequence = conn->current_seq + 1; |
| 1734 | |
| 1735 | _fs_add_req_log(conn, FS_QueryXInfo)((conn)->current_seq++); |
| 1736 | _fs_write(conn, (char *) &inforeq, SIZEOF(fsQueryXInfoReq)8); |
| 1737 | |
| 1738 | if (!(bfont->flags & FontReopen0x0020)) |
| 1739 | { |
| 1740 | extreq.reqType = FS_QueryXExtents1618; |
| 1741 | extreq.range = fsTrue1; |
| 1742 | extreq.fid = fsd->fontid; |
| 1743 | extreq.num_ranges = 0; |
| 1744 | extreq.length = SIZEOF(fsQueryXExtents16Req)12 >> 2; |
| 1745 | |
| 1746 | bfont->queryExtentsSequence = conn->current_seq + 1; |
| 1747 | |
| 1748 | _fs_add_req_log(conn, FS_QueryXExtents16)((conn)->current_seq++); |
| 1749 | _fs_write(conn, (char *) &extreq, SIZEOF(fsQueryXExtents16Req)12); |
| 1750 | } |
| 1751 | |
| 1752 | #ifdef NCD |
| 1753 | if (configData.ExtendedFontDiags) |
| 1754 | { |
| 1755 | memcpy(buf, name, MIN(256, namelen))__builtin___memcpy_chk (buf, name, (((256)<(namelen))?(256 ):(namelen)), __builtin_object_size (buf, 0)); |
| 1756 | buf[MIN(256, namelen)(((256)<(namelen))?(256):(namelen))] = '\0'; |
| 1757 | printf("Requesting font \"%s\" from font server \"%s\"\n", |
| 1758 | buf, font->fpe->name); |
| 1759 | } |
| 1760 | #endif |
| 1761 | _fs_prepare_for_reply (conn); |
| 1762 | |
| 1763 | err = blockrec->errcode; |
| 1764 | if (bfont->flags & FontOpenSync0x0010) |
| 1765 | { |
| 1766 | while (blockrec->errcode == StillWorking81) |
| 1767 | { |
| 1768 | if (fs_await_reply (conn) != FSIO_READY1) |
| 1769 | { |
| 1770 | blockrec->errcode = BadFontName83; |
| 1771 | break; |
| 1772 | } |
| 1773 | fs_read_reply (font->fpe, client); |
| 1774 | } |
| 1775 | err = blockrec->errcode; |
| 1776 | if (err == Successful85) |
| 1777 | *ppfont = bfont->pfont; |
| 1778 | else |
| 1779 | fs_cleanup_bfont (bfont); |
| 1780 | bfont->freeFont = FALSE0; |
| 1781 | _fs_remove_block_rec (conn, blockrec); |
| 1782 | } |
| 1783 | return err == StillWorking81 ? Suspended84 : err; |
| 1784 | } |
| 1785 | |
| 1786 | static void |
| 1787 | fs_send_query_bitmaps(FontPathElementPtr fpe, FSBlockDataPtr blockrec) |
| 1788 | { |
| 1789 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 1790 | FSBlockedFontPtr bfont = (FSBlockedFontPtr) blockrec->data; |
| 1791 | fsQueryXBitmaps16Req bitreq; |
| 1792 | |
| 1793 | /* send the request */ |
| 1794 | bitreq.reqType = FS_QueryXBitmaps1620; |
| 1795 | bitreq.fid = bfont->fontid; |
| 1796 | bitreq.format = bfont->format; |
| 1797 | bitreq.range = TRUE1; |
| 1798 | bitreq.length = SIZEOF(fsQueryXBitmaps16Req)16 >> 2; |
| 1799 | bitreq.num_ranges = 0; |
| 1800 | |
| 1801 | bfont->queryBitmapsSequence = conn->current_seq + 1; |
| 1802 | |
| 1803 | _fs_add_req_log(conn, FS_QueryXBitmaps16)((conn)->current_seq++); |
| 1804 | _fs_write(conn, (char *) &bitreq, SIZEOF(fsQueryXBitmaps16Req)16); |
| 1805 | } |
| 1806 | |
| 1807 | /* ARGSUSED */ |
| 1808 | static int |
| 1809 | fs_open_font(pointer client, FontPathElementPtr fpe, Mask flags, |
| 1810 | const char *name, int namelen, |
| 1811 | fsBitmapFormat format, fsBitmapFormatMask fmask, |
| 1812 | XID id, FontPtr *ppfont, |
| 1813 | char **alias, FontPtr non_cachable_font) |
| 1814 | { |
| 1815 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 1816 | FSBlockDataPtr blockrec; |
| 1817 | FSBlockedFontPtr bfont; |
| 1818 | int err; |
| 1819 | |
| 1820 | /* libfont interface expects ImageRectMin glyphs */ |
| 1821 | format = (format & ~BitmapFormatImageRectMask(3L << 2)) | BitmapFormatImageRectMin(0L << 2); |
| 1822 | |
| 1823 | *alias = (char *) 0; |
| 1824 | for (blockrec = conn->blockedRequests; blockrec; blockrec = blockrec->next) |
| 1825 | { |
| 1826 | if (blockrec->type == FS_OPEN_FONT1 && blockrec->client == client) |
| 1827 | { |
| 1828 | err = blockrec->errcode; |
| 1829 | if (err == StillWorking81) |
| 1830 | return Suspended84; |
| 1831 | |
| 1832 | bfont = (FSBlockedFontPtr) blockrec->data; |
| 1833 | if (err == Successful85) |
| 1834 | *ppfont = bfont->pfont; |
| 1835 | else |
| 1836 | fs_cleanup_bfont (bfont); |
| 1837 | _fs_remove_block_rec (conn, blockrec); |
| 1838 | return err; |
| 1839 | } |
| 1840 | } |
| 1841 | return fs_send_open_font(client, fpe, flags, name, namelen, format, fmask, |
| 1842 | id, ppfont); |
| 1843 | } |
| 1844 | |
| 1845 | /* ARGSUSED */ |
| 1846 | static int |
| 1847 | fs_send_close_font(FontPathElementPtr fpe, Font id) |
| 1848 | { |
| 1849 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 1850 | fsCloseReq req; |
| 1851 | |
| 1852 | if (conn->blockState & FS_GIVE_UP0x10) |
| 1853 | return Successful85; |
| 1854 | /* tell the font server to close the font */ |
| 1855 | req.reqType = FS_CloseFont21; |
| 1856 | req.pad = 0; |
| 1857 | req.length = SIZEOF(fsCloseReq)8 >> 2; |
| 1858 | req.id = id; |
| 1859 | _fs_add_req_log(conn, FS_CloseFont)((conn)->current_seq++); |
| 1860 | _fs_write(conn, (char *) &req, SIZEOF(fsCloseReq)8); |
| 1861 | |
| 1862 | return Successful85; |
| 1863 | } |
| 1864 | |
| 1865 | /* ARGSUSED */ |
| 1866 | static void |
| 1867 | fs_close_font(FontPathElementPtr fpe, FontPtr pfont) |
| 1868 | { |
| 1869 | FSFontDataPtr fsd = (FSFontDataPtr) pfont->fpePrivate; |
| 1870 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 1871 | |
| 1872 | if (conn->generation == fsd->generation) |
| 1873 | fs_send_close_font(fpe, fsd->fontid); |
| 1874 | |
| 1875 | #ifdef DEBUG |
| 1876 | { |
| 1877 | FSBlockDataPtr blockrec; |
| 1878 | FSBlockedFontPtr bfont; |
| 1879 | |
| 1880 | for (blockrec = conn->blockedRequests; blockrec; blockrec = blockrec->next) |
| 1881 | { |
| 1882 | if (blockrec->type == FS_OPEN_FONT1) |
| 1883 | { |
| 1884 | bfont = (FSBlockedFontPtr) blockrec->data; |
| 1885 | if (bfont->pfont == pfont) |
| 1886 | fprintf (stderr__stderrp, "closing font which hasn't been opened\n"); |
| 1887 | } |
| 1888 | } |
| 1889 | } |
| 1890 | #endif |
| 1891 | (*pfont->unload_font) (pfont); |
| 1892 | } |
| 1893 | |
| 1894 | static int |
| 1895 | fs_read_glyphs(FontPathElementPtr fpe, FSBlockDataPtr blockrec) |
| 1896 | { |
| 1897 | FSBlockedGlyphPtr bglyph = (FSBlockedGlyphPtr) blockrec->data; |
| 1898 | FSBlockedFontPtr bfont = (FSBlockedFontPtr) blockrec->data; |
| 1899 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 1900 | FontPtr pfont = bglyph->pfont; |
| 1901 | /* works for either blocked font |
| 1902 | or glyph rec... pfont is at |
| 1903 | the very beginning of both |
| 1904 | blockrec->data structures */ |
| 1905 | FSFontDataPtr fsd = (FSFontDataPtr) (pfont->fpePrivate); |
| 1906 | FSFontPtr fsdata = (FSFontPtr) pfont->fontPrivate; |
| 1907 | FontInfoPtr pfi = &pfont->info; |
| 1908 | fsQueryXBitmaps16Reply *rep; |
| 1909 | char *buf; |
| 1910 | long bufleft; /* length of reply left to use */ |
| 1911 | fsOffset32 *ppbits; |
| 1912 | fsOffset32 local_off; |
| 1913 | char *off_adr; |
| 1914 | pointer pbitmaps; |
| 1915 | char *bits, *allbits; |
| 1916 | #ifdef DEBUG |
| 1917 | char *origallbits; |
| 1918 | #endif |
| 1919 | int i, |
| 1920 | err; |
| 1921 | int nranges = 0; |
| 1922 | int ret; |
| 1923 | fsRange *nextrange = 0; |
| 1924 | unsigned long minchar, maxchar; |
| 1925 | |
| 1926 | rep = (fsQueryXBitmaps16Reply *) fs_get_reply (conn, &ret); |
| 1927 | if (!rep || rep->type == FS_Error1 || |
| 1928 | (rep->length < LENGTHOF(fsQueryXBitmaps16Reply)(20 >> 2))) |
| 1929 | { |
| 1930 | if (ret == FSIO_BLOCK0) |
| 1931 | return StillWorking81; |
| 1932 | if (rep) |
| 1933 | _fs_done_read (conn, rep->length << 2); |
| 1934 | err = AllocError80; |
| 1935 | _fs_reply_failed (rep, fsQueryXBitmaps16Reply, "<"); |
| 1936 | goto bail; |
| 1937 | } |
| 1938 | |
| 1939 | buf = (char *) rep; |
| 1940 | buf += SIZEOF (fsQueryXBitmaps16Reply)20; |
| 1941 | |
| 1942 | bufleft = rep->length << 2; |
| 1943 | bufleft -= SIZEOF (fsQueryXBitmaps16Reply)20; |
| 1944 | |
| 1945 | if ((bufleft / SIZEOF (fsOffset32)8) < rep->num_chars) |
| 1946 | { |
| 1947 | #ifdef DEBUG |
| 1948 | fprintf(stderr__stderrp, |
| 1949 | "fsQueryXBitmaps16: num_chars (%d) > bufleft (%ld) / %d\n", |
| 1950 | rep->num_chars, bufleft, SIZEOF (fsOffset32)8); |
| 1951 | #endif |
| 1952 | err = AllocError80; |
| 1953 | goto bail; |
| 1954 | } |
| 1955 | ppbits = (fsOffset32 *) buf; |
| 1956 | buf += SIZEOF (fsOffset32)8 * (rep->num_chars); |
| 1957 | bufleft -= SIZEOF (fsOffset32)8 * (rep->num_chars); |
| 1958 | |
| 1959 | if (bufleft < rep->nbytes) |
| 1960 | { |
| 1961 | #ifdef DEBUG |
| 1962 | fprintf(stderr__stderrp, |
| 1963 | "fsQueryXBitmaps16: nbytes (%d) > bufleft (%ld)\n", |
| 1964 | rep->nbytes, bufleft); |
| 1965 | #endif |
| 1966 | err = AllocError80; |
| 1967 | goto bail; |
| 1968 | } |
| 1969 | pbitmaps = (pointer ) buf; |
| 1970 | |
| 1971 | if (blockrec->type == FS_LOAD_GLYPHS2) |
| 1972 | { |
| 1973 | nranges = bglyph->num_expected_ranges; |
| 1974 | nextrange = bglyph->expected_ranges; |
| 1975 | } |
| 1976 | |
| 1977 | /* place the incoming glyphs */ |
| 1978 | if (nranges) |
| 1979 | { |
| 1980 | /* We're operating under the assumption that the ranges |
| 1981 | requested in the LoadGlyphs call were all legal for this |
| 1982 | font, and that individual ranges do not cover multiple |
| 1983 | rows... fs_build_range() is designed to ensure this. */ |
| 1984 | minchar = (nextrange->min_char_high - pfi->firstRow) * |
| 1985 | (pfi->lastCol - pfi->firstCol + 1) + |
| 1986 | nextrange->min_char_low - pfi->firstCol; |
| 1987 | maxchar = (nextrange->max_char_high - pfi->firstRow) * |
| 1988 | (pfi->lastCol - pfi->firstCol + 1) + |
| 1989 | nextrange->max_char_low - pfi->firstCol; |
| 1990 | nextrange++; |
| 1991 | } |
| 1992 | else |
| 1993 | { |
| 1994 | minchar = 0; |
| 1995 | maxchar = rep->num_chars; |
| 1996 | } |
| 1997 | |
| 1998 | off_adr = (char *)ppbits; |
| 1999 | |
| 2000 | allbits = fs_alloc_glyphs (pfont, rep->nbytes); |
| 2001 | |
| 2002 | if (!allbits) |
| 2003 | { |
| 2004 | err = AllocError80; |
| 2005 | goto bail; |
| 2006 | } |
| 2007 | |
| 2008 | #ifdef DEBUG |
| 2009 | origallbits = allbits; |
| 2010 | fprintf (stderr__stderrp, "Reading %d glyphs in %d bytes for %s\n", |
| 2011 | (int) rep->num_chars, (int) rep->nbytes, fsd->name); |
| 2012 | #endif |
| 2013 | |
| 2014 | for (i = 0; i < rep->num_chars; i++) |
| 2015 | { |
| 2016 | memcpy(&local_off, off_adr, SIZEOF(fsOffset32))__builtin___memcpy_chk (&local_off, off_adr, 8, __builtin_object_size (&local_off, 0)); /* align it */ |
| 2017 | if (blockrec->type == FS_OPEN_FONT1 || |
| 2018 | fsdata->encoding[minchar].bits == &_fs_glyph_requested) |
| 2019 | { |
| 2020 | /* |
| 2021 | * Broken X font server returns bits for missing characters |
| 2022 | * when font is padded |
| 2023 | */ |
| 2024 | if (NONZEROMETRICS(&fsdata->encoding[minchar].metrics)((&fsdata->encoding[minchar].metrics)->leftSideBearing || (&fsdata->encoding[minchar].metrics)->rightSideBearing || (&fsdata->encoding[minchar].metrics)->ascent || (&fsdata->encoding[minchar].metrics)->descent || ( &fsdata->encoding[minchar].metrics)->characterWidth )) |
| 2025 | { |
| 2026 | if (local_off.length && |
| 2027 | (local_off.position < rep->nbytes) && |
| 2028 | (local_off.length <= (rep->nbytes - local_off.position))) |
| 2029 | { |
| 2030 | bits = allbits; |
| 2031 | allbits += local_off.length; |
| 2032 | memcpy(bits, (char *)pbitmaps + local_off.position,__builtin___memcpy_chk (bits, (char *)pbitmaps + local_off.position , local_off.length, __builtin_object_size (bits, 0)) |
| 2033 | local_off.length)__builtin___memcpy_chk (bits, (char *)pbitmaps + local_off.position , local_off.length, __builtin_object_size (bits, 0)); |
| 2034 | } |
| 2035 | else |
| 2036 | bits = &_fs_glyph_zero_length; |
| 2037 | } |
| 2038 | else |
| 2039 | bits = 0; |
| 2040 | if (fsdata->encoding[minchar].bits == &_fs_glyph_requested) |
| 2041 | fsd->glyphs_to_get--; |
| 2042 | fsdata->encoding[minchar].bits = bits; |
| 2043 | } |
| 2044 | if (minchar++ == maxchar) |
| 2045 | { |
| 2046 | if (!--nranges) break; |
| 2047 | minchar = (nextrange->min_char_high - pfi->firstRow) * |
| 2048 | (pfi->lastCol - pfi->firstCol + 1) + |
| 2049 | nextrange->min_char_low - pfi->firstCol; |
| 2050 | maxchar = (nextrange->max_char_high - pfi->firstRow) * |
| 2051 | (pfi->lastCol - pfi->firstCol + 1) + |
| 2052 | nextrange->max_char_low - pfi->firstCol; |
| 2053 | nextrange++; |
| 2054 | } |
| 2055 | off_adr += SIZEOF(fsOffset32)8; |
| 2056 | } |
| 2057 | #ifdef DEBUG |
| 2058 | fprintf (stderr__stderrp, "Used %d bytes instead of %d\n", |
| 2059 | (int) (allbits - origallbits), (int) rep->nbytes); |
| 2060 | #endif |
| 2061 | |
| 2062 | if (blockrec->type == FS_OPEN_FONT1) |
| 2063 | { |
| 2064 | fsd->glyphs_to_get = 0; |
| 2065 | bfont->state = FS_DONE_REPLY4; |
| 2066 | } |
| 2067 | err = Successful85; |
| 2068 | |
| 2069 | bail: |
| 2070 | _fs_done_read (conn, rep->length << 2); |
| 2071 | return err; |
| 2072 | } |
| 2073 | |
| 2074 | static int |
| 2075 | fs_send_load_glyphs(pointer client, FontPtr pfont, |
| 2076 | int nranges, fsRange *ranges) |
| 2077 | { |
| 2078 | FontPathElementPtr fpe = pfont->fpe; |
| 2079 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 2080 | FSBlockedGlyphPtr blockedglyph; |
| 2081 | fsQueryXBitmaps16Req req; |
| 2082 | FSBlockDataPtr blockrec; |
| 2083 | |
| 2084 | if (conn->blockState & FS_GIVE_UP0x10) |
| 2085 | return BadCharRange87; |
| 2086 | |
| 2087 | /* make a new block record, and add it to the end of the list */ |
| 2088 | blockrec = fs_new_block_rec(fpe, client, FS_LOAD_GLYPHS2); |
| 2089 | if (!blockrec) |
| 2090 | return AllocError80; |
| 2091 | blockedglyph = (FSBlockedGlyphPtr) blockrec->data; |
| 2092 | blockedglyph->pfont = pfont; |
| 2093 | blockedglyph->num_expected_ranges = nranges; |
| 2094 | /* Assumption: it's our job to free ranges */ |
| 2095 | blockedglyph->expected_ranges = ranges; |
| 2096 | blockedglyph->clients_depending = (FSClientsDependingPtr)0; |
| 2097 | |
| 2098 | if (conn->blockState & (FS_BROKEN_CONNECTION0x04|FS_RECONNECTING0x40)) |
| 2099 | { |
| 2100 | _fs_pending_reply (conn); |
| 2101 | return Suspended84; |
| 2102 | } |
| 2103 | |
| 2104 | /* send the request */ |
| 2105 | req.reqType = FS_QueryXBitmaps1620; |
| 2106 | req.fid = ((FSFontDataPtr) pfont->fpePrivate)->fontid; |
| 2107 | req.format = pfont->format; |
| 2108 | if (pfont->info.terminalFont) |
| 2109 | req.format = (req.format & ~(BitmapFormatImageRectMask(3L << 2))) | |
| 2110 | BitmapFormatImageRectMax(2L << 2); |
| 2111 | req.range = TRUE1; |
| 2112 | /* each range takes up 4 bytes */ |
| 2113 | req.length = (SIZEOF(fsQueryXBitmaps16Req)16 >> 2) + nranges; |
| 2114 | req.num_ranges = nranges * 2; /* protocol wants count of fsChar2bs */ |
| 2115 | _fs_add_req_log(conn, FS_QueryXBitmaps16)((conn)->current_seq++); |
| 2116 | _fs_write(conn, (char *) &req, SIZEOF(fsQueryXBitmaps16Req)16); |
| 2117 | |
| 2118 | blockrec->sequenceNumber = conn->current_seq; |
| 2119 | |
| 2120 | /* Send ranges to the server... pack into a char array by hand |
| 2121 | to avoid structure-packing portability problems and to |
| 2122 | handle swapping for version1 protocol */ |
| 2123 | if (nranges) |
| 2124 | { |
| 2125 | #define RANGE_BUFFER_SIZE64 64 |
| 2126 | #define RANGE_BUFFER_SIZE_MASK63 63 |
| 2127 | int i; |
| 2128 | char range_buffer[RANGE_BUFFER_SIZE64 * 4]; |
| 2129 | char *range_buffer_p; |
| 2130 | |
| 2131 | range_buffer_p = range_buffer; |
| 2132 | for (i = 0; i < nranges;) |
| 2133 | { |
| 2134 | if (conn->fsMajorVersion > 1) |
| 2135 | { |
| 2136 | *range_buffer_p++ = ranges[i].min_char_high; |
| 2137 | *range_buffer_p++ = ranges[i].min_char_low; |
| 2138 | *range_buffer_p++ = ranges[i].max_char_high; |
| 2139 | *range_buffer_p++ = ranges[i].max_char_low; |
| 2140 | } |
| 2141 | else |
| 2142 | { |
| 2143 | *range_buffer_p++ = ranges[i].min_char_low; |
| 2144 | *range_buffer_p++ = ranges[i].min_char_high; |
| 2145 | *range_buffer_p++ = ranges[i].max_char_low; |
| 2146 | *range_buffer_p++ = ranges[i].max_char_high; |
| 2147 | } |
| 2148 | |
| 2149 | if (!(++i & RANGE_BUFFER_SIZE_MASK63)) |
| 2150 | { |
| 2151 | _fs_write(conn, range_buffer, RANGE_BUFFER_SIZE64 * 4); |
| 2152 | range_buffer_p = range_buffer; |
| 2153 | } |
| 2154 | } |
| 2155 | if (i &= RANGE_BUFFER_SIZE_MASK63) |
| 2156 | _fs_write(conn, range_buffer, i * 4); |
| 2157 | } |
| 2158 | |
| 2159 | _fs_prepare_for_reply (conn); |
| 2160 | return Suspended84; |
| 2161 | } |
| 2162 | |
| 2163 | |
| 2164 | extern pointer __GetServerClient(void); /* This could be any number that |
| 2165 | doesn't conflict with existing |
| 2166 | client values. */ |
| 2167 | |
| 2168 | static int |
| 2169 | _fs_load_glyphs(pointer client, FontPtr pfont, Bool range_flag, |
| 2170 | unsigned int nchars, int item_size, unsigned char *data) |
| 2171 | { |
| 2172 | FSFpePtr conn = (FSFpePtr) pfont->fpe->private; |
| 2173 | int nranges = 0; |
| 2174 | fsRange *ranges = NULL((void*)0); |
| 2175 | int res; |
| 2176 | FSBlockDataPtr blockrec; |
| 2177 | FSBlockedGlyphPtr blockedglyph; |
| 2178 | FSClientsDependingPtr *clients_depending = NULL((void*)0); |
| 2179 | int err; |
| 2180 | |
| 2181 | /* see if the result is already there */ |
| 2182 | for (blockrec = conn->blockedRequests; blockrec; blockrec = blockrec->next) |
| 2183 | { |
| 2184 | if (blockrec->type == FS_LOAD_GLYPHS2) |
| 2185 | { |
| 2186 | blockedglyph = (FSBlockedGlyphPtr) blockrec->data; |
| 2187 | if (blockedglyph->pfont == pfont) |
| 2188 | { |
| 2189 | /* Look for this request */ |
| 2190 | if (blockrec->client == client) |
| 2191 | { |
| 2192 | err = blockrec->errcode; |
| 2193 | if (err == StillWorking81) |
| 2194 | return Suspended84; |
| 2195 | _fs_signal_clients_depending(&blockedglyph->clients_depending); |
| 2196 | _fs_remove_block_rec(conn, blockrec); |
| 2197 | return err; |
| 2198 | } |
| 2199 | /* We've found an existing LoadGlyphs blockrec for this |
| 2200 | font but for another client. Rather than build a |
| 2201 | blockrec for it now (which entails some complex |
| 2202 | maintenance), we'll add it to a queue of clients to |
| 2203 | be signalled when the existing LoadGlyphs is |
| 2204 | completed. */ |
| 2205 | clients_depending = &blockedglyph->clients_depending; |
| 2206 | break; |
| 2207 | } |
| 2208 | } |
| 2209 | else if (blockrec->type == FS_OPEN_FONT1) |
| 2210 | { |
| 2211 | FSBlockedFontPtr bfont; |
| 2212 | bfont = (FSBlockedFontPtr) blockrec->data; |
| 2213 | if (bfont->pfont == pfont) |
| 2214 | { |
| 2215 | /* |
| 2216 | * An OpenFont is pending for this font, this must |
| 2217 | * be from a reopen attempt, so finish the open |
| 2218 | * attempt and retry the LoadGlyphs |
| 2219 | */ |
| 2220 | if (blockrec->client == client) |
| 2221 | { |
| 2222 | err = blockrec->errcode; |
| 2223 | if (err == StillWorking81) |
| 2224 | return Suspended84; |
| 2225 | |
| 2226 | _fs_signal_clients_depending(&bfont->clients_depending); |
| 2227 | _fs_remove_block_rec(conn, blockrec); |
| 2228 | if (err != Successful85) |
| 2229 | return err; |
| 2230 | break; |
| 2231 | } |
| 2232 | /* We've found an existing OpenFont blockrec for this |
| 2233 | font but for another client. Rather than build a |
| 2234 | blockrec for it now (which entails some complex |
| 2235 | maintenance), we'll add it to a queue of clients to |
| 2236 | be signalled when the existing OpenFont is |
| 2237 | completed. */ |
| 2238 | if (blockrec->errcode == StillWorking81) |
| 2239 | { |
| 2240 | clients_depending = &bfont->clients_depending; |
| 2241 | break; |
| 2242 | } |
| 2243 | } |
| 2244 | } |
| 2245 | } |
| 2246 | |
| 2247 | /* |
| 2248 | * see if the desired glyphs already exist, and return Successful if they |
| 2249 | * do, otherwise build up character range/character string |
| 2250 | */ |
| 2251 | res = fs_build_range(pfont, range_flag, nchars, item_size, data, |
| 2252 | &nranges, &ranges); |
| 2253 | |
| 2254 | switch (res) |
| 2255 | { |
| 2256 | case AccessDone0x400: |
| 2257 | return Successful85; |
| 2258 | |
| 2259 | case Successful85: |
| 2260 | break; |
| 2261 | |
| 2262 | default: |
| 2263 | return res; |
| 2264 | } |
| 2265 | |
| 2266 | /* |
| 2267 | * If clients_depending is not null, this request must wait for |
| 2268 | * some prior request(s) to complete. |
| 2269 | */ |
| 2270 | if (clients_depending) |
| 2271 | { |
| 2272 | /* Since we're not ready to send the load_glyphs request yet, |
| 2273 | clean up the damage (if any) caused by the fs_build_range() |
| 2274 | call. */ |
| 2275 | if (nranges) |
| 2276 | { |
| 2277 | _fs_clean_aborted_loadglyphs(pfont, nranges, ranges); |
| 2278 | free(ranges); |
| 2279 | } |
| 2280 | return _fs_add_clients_depending(clients_depending, client); |
| 2281 | } |
| 2282 | |
| 2283 | /* |
| 2284 | * If fsd->generation != conn->generation, the font has been closed |
| 2285 | * due to a lost connection. We will reopen it, which will result |
| 2286 | * in one of three things happening: |
| 2287 | * 1) The open will succeed and obtain the same font. Life |
| 2288 | * is wonderful. |
| 2289 | * 2) The open will fail. There is code above to recognize this |
| 2290 | * and flunk the LoadGlyphs request. The client might not be |
| 2291 | * thrilled. |
| 2292 | * 3) Worst case: the open will succeed but the font we open will |
| 2293 | * be different. The fs_read_query_info() procedure attempts |
| 2294 | * to detect this by comparing the existing metrics and |
| 2295 | * properties against those of the reopened font... if they |
| 2296 | * don't match, we flunk the reopen, which eventually results |
| 2297 | * in flunking the LoadGlyphs request. We could go a step |
| 2298 | * further and compare the extents, but this should be |
| 2299 | * sufficient. |
| 2300 | */ |
| 2301 | if (((FSFontDataPtr)pfont->fpePrivate)->generation != conn->generation) |
| 2302 | { |
| 2303 | /* Since we're not ready to send the load_glyphs request yet, |
| 2304 | clean up the damage caused by the fs_build_range() call. */ |
| 2305 | _fs_clean_aborted_loadglyphs(pfont, nranges, ranges); |
| 2306 | free(ranges); |
| 2307 | |
| 2308 | /* Now try to reopen the font. */ |
| 2309 | return fs_send_open_font(client, pfont->fpe, |
| 2310 | (Mask)FontReopen0x0020, (char *)0, 0, |
| 2311 | (fsBitmapFormat)0, (fsBitmapFormatMask)0, |
| 2312 | (XID)0, &pfont); |
| 2313 | } |
| 2314 | |
| 2315 | return fs_send_load_glyphs(client, pfont, nranges, ranges); |
| 2316 | } |
| 2317 | |
| 2318 | int |
| 2319 | fs_load_all_glyphs(FontPtr pfont) |
| 2320 | { |
| 2321 | int err; |
| 2322 | FSFpePtr conn = (FSFpePtr) pfont->fpe->private; |
| 2323 | |
| 2324 | /* |
| 2325 | * The purpose of this procedure is to load all glyphs in the event |
| 2326 | * that we're dealing with someone who doesn't understand the finer |
| 2327 | * points of glyph caching... it is called from _fs_get_glyphs() if |
| 2328 | * the latter is called to get glyphs that have not yet been loaded. |
| 2329 | * We assume that the caller will not know how to handle a return |
| 2330 | * value of Suspended (usually the case for a GetGlyphs() caller), |
| 2331 | * so this procedure hangs around, freezing the server, for the |
| 2332 | * request to complete. This is an unpleasant kluge called to |
| 2333 | * perform an unpleasant job that, we hope, will never be required. |
| 2334 | */ |
| 2335 | |
| 2336 | while ((err = _fs_load_glyphs(__GetServerClient(), pfont, TRUE1, 0, 0, NULL((void*)0))) == |
| 2337 | Suspended84) |
| 2338 | { |
| 2339 | if (fs_await_reply (conn) != FSIO_READY1) |
| 2340 | { |
| 2341 | /* Get rid of blockrec */ |
| 2342 | fs_client_died(__GetServerClient(), pfont->fpe); |
| 2343 | err = BadCharRange87; |
| 2344 | break; |
| 2345 | } |
| 2346 | fs_read_reply (pfont->fpe, __GetServerClient()); |
| 2347 | } |
| 2348 | return err; |
| 2349 | } |
| 2350 | |
| 2351 | static int |
| 2352 | fs_read_list(FontPathElementPtr fpe, FSBlockDataPtr blockrec) |
| 2353 | { |
| 2354 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 2355 | FSBlockedListPtr blist = (FSBlockedListPtr) blockrec->data; |
| 2356 | fsListFontsReply *rep; |
| 2357 | char *data; |
| 2358 | long dataleft; /* length of reply left to use */ |
| 2359 | int length, |
| 2360 | i, |
| 2361 | ret; |
| 2362 | int err; |
| 2363 | |
| 2364 | rep = (fsListFontsReply *) fs_get_reply (conn, &ret); |
| 2365 | if (!rep || rep->type == FS_Error1 || |
| 2366 | (rep->length < LENGTHOF(fsListFontsReply)(16 >> 2))) |
| 2367 | { |
| 2368 | if (ret == FSIO_BLOCK0) |
| 2369 | return StillWorking81; |
| 2370 | if (rep) |
| 2371 | _fs_done_read (conn, rep->length << 2); |
| 2372 | _fs_reply_failed (rep, fsListFontsReply, "<"); |
| 2373 | return AllocError80; |
| 2374 | } |
| 2375 | data = (char *) rep + SIZEOF (fsListFontsReply)16; |
| 2376 | dataleft = (rep->length << 2) - SIZEOF (fsListFontsReply)16; |
| 2377 | |
| 2378 | err = Successful85; |
| 2379 | /* copy data into FontPathRecord */ |
| 2380 | for (i = 0; i < rep->nFonts; i++) |
| 2381 | { |
| 2382 | if (dataleft < 1) |
| 2383 | break; |
| 2384 | length = *(unsigned char *)data++; |
| 2385 | dataleft--; /* used length byte */ |
| 2386 | if (length > dataleft) { |
| 2387 | #ifdef DEBUG |
| 2388 | fprintf(stderr__stderrp, |
| 2389 | "fsListFonts: name length (%d) > dataleft (%ld)\n", |
| 2390 | length, dataleft); |
| 2391 | #endif |
| 2392 | err = BadFontName83; |
| 2393 | break; |
| 2394 | } |
| 2395 | err = AddFontNamesName(blist->names, data, length); |
| 2396 | if (err != Successful85) |
| 2397 | break; |
| 2398 | data += length; |
| 2399 | dataleft -= length; |
| 2400 | } |
| 2401 | _fs_done_read (conn, rep->length << 2); |
| 2402 | return err; |
| 2403 | } |
| 2404 | |
| 2405 | static int |
| 2406 | fs_send_list_fonts(pointer client, FontPathElementPtr fpe, const char *pattern, |
| 2407 | int patlen, int maxnames, FontNamesPtr newnames) |
| 2408 | { |
| 2409 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 2410 | FSBlockDataPtr blockrec; |
| 2411 | FSBlockedListPtr blockedlist; |
| 2412 | fsListFontsReq req; |
| 2413 | |
| 2414 | if (conn->blockState & FS_GIVE_UP0x10) |
| 2415 | return BadFontName83; |
| 2416 | |
| 2417 | /* make a new block record, and add it to the end of the list */ |
| 2418 | blockrec = fs_new_block_rec(fpe, client, FS_LIST_FONTS3); |
| 2419 | if (!blockrec) |
| 2420 | return AllocError80; |
| 2421 | blockedlist = (FSBlockedListPtr) blockrec->data; |
| 2422 | blockedlist->names = newnames; |
| 2423 | |
| 2424 | if (conn->blockState & (FS_BROKEN_CONNECTION0x04 | FS_RECONNECTING0x40)) |
| 2425 | { |
| 2426 | _fs_pending_reply (conn); |
| 2427 | return Suspended84; |
| 2428 | } |
| 2429 | |
| 2430 | _fs_client_access (conn, client, FALSE0); |
| 2431 | _fs_client_resolution(conn); |
| 2432 | |
| 2433 | /* send the request */ |
| 2434 | req.reqType = FS_ListFonts13; |
| 2435 | req.pad = 0; |
| 2436 | req.maxNames = maxnames; |
| 2437 | req.nbytes = patlen; |
| 2438 | req.length = (SIZEOF(fsListFontsReq)12 + patlen + 3) >> 2; |
| 2439 | _fs_add_req_log(conn, FS_ListFonts)((conn)->current_seq++); |
| 2440 | _fs_write(conn, (char *) &req, SIZEOF(fsListFontsReq)12); |
| 2441 | _fs_write_pad(conn, (char *) pattern, patlen); |
| 2442 | |
| 2443 | blockrec->sequenceNumber = conn->current_seq; |
| 2444 | |
| 2445 | #ifdef NCD |
| 2446 | if (configData.ExtendedFontDiags) { |
| 2447 | char buf[256]; |
| 2448 | |
| 2449 | memcpy(buf, pattern, MIN(256, patlen))__builtin___memcpy_chk (buf, pattern, (((256)<(patlen))?(256 ):(patlen)), __builtin_object_size (buf, 0)); |
| 2450 | buf[MIN(256, patlen)(((256)<(patlen))?(256):(patlen))] = '\0'; |
| 2451 | printf("Listing fonts on pattern \"%s\" from font server \"%s\"\n", |
| 2452 | buf, fpe->name); |
| 2453 | } |
| 2454 | #endif |
| 2455 | |
| 2456 | _fs_prepare_for_reply (conn); |
| 2457 | return Suspended84; |
| 2458 | } |
| 2459 | |
| 2460 | static int |
| 2461 | fs_list_fonts(pointer client, FontPathElementPtr fpe, |
| 2462 | const char *pattern, int patlen, int maxnames, FontNamesPtr newnames) |
| 2463 | { |
| 2464 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 2465 | FSBlockDataPtr blockrec; |
| 2466 | int err; |
| 2467 | |
| 2468 | /* see if the result is already there */ |
| 2469 | for (blockrec = conn->blockedRequests; blockrec; blockrec = blockrec->next) |
| 2470 | { |
| 2471 | if (blockrec->type == FS_LIST_FONTS3 && blockrec->client == client) |
| 2472 | { |
| 2473 | err = blockrec->errcode; |
| 2474 | if (err == StillWorking81) |
| 2475 | return Suspended84; |
| 2476 | _fs_remove_block_rec(conn, blockrec); |
| 2477 | return err; |
| 2478 | } |
| 2479 | } |
| 2480 | |
| 2481 | /* didn't find waiting record, so send a new one */ |
| 2482 | return fs_send_list_fonts(client, fpe, pattern, patlen, maxnames, newnames); |
| 2483 | } |
| 2484 | |
| 2485 | /* |
| 2486 | * Read a single list info reply and restart for the next reply |
| 2487 | */ |
| 2488 | static int |
| 2489 | fs_read_list_info(FontPathElementPtr fpe, FSBlockDataPtr blockrec) |
| 2490 | { |
| 2491 | FSBlockedListInfoPtr binfo = (FSBlockedListInfoPtr) blockrec->data; |
| 2492 | fsListFontsWithXInfoReply *rep; |
| 2493 | char *buf; |
| 2494 | long bufleft; |
| 2495 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 2496 | fsPropInfo *pi; |
| 2497 | fsPropOffset *po; |
| 2498 | pointer pd; |
| 2499 | int ret; |
| 2500 | int err; |
| 2501 | |
| 2502 | /* clean up anything from the last trip */ |
| 2503 | _fs_free_props (&binfo->info); |
| 2504 | |
| 2505 | rep = (fsListFontsWithXInfoReply *) fs_get_reply (conn, &ret); |
| 2506 | if (!rep || rep->type == FS_Error1 || |
| 2507 | ((rep->nameLength != 0) && |
| 2508 | (rep->length < LENGTHOF(fsListFontsWithXInfoReply)((12 + 40) >> 2)))) |
| 2509 | { |
| 2510 | if (ret == FSIO_BLOCK0) |
| 2511 | return StillWorking81; |
| 2512 | binfo->status = FS_LFWI_FINISHED2; |
| 2513 | err = AllocError80; |
| 2514 | _fs_reply_failed (rep, fsListFontsWithXInfoReply, "<"); |
| 2515 | goto done; |
| 2516 | } |
| 2517 | /* |
| 2518 | * Normal termination -- the list ends with a name of length 0 |
| 2519 | */ |
| 2520 | if (rep->nameLength == 0) |
| 2521 | { |
| 2522 | #ifdef DEBUG |
| 2523 | fprintf (stderr__stderrp, "fs_read_list_info done\n"); |
| 2524 | #endif |
| 2525 | binfo->status = FS_LFWI_FINISHED2; |
| 2526 | err = BadFontName83; |
| 2527 | goto done; |
| 2528 | } |
| 2529 | |
| 2530 | buf = (char *) rep + SIZEOF (fsListFontsWithXInfoReply)(12 + 40); |
| 2531 | bufleft = (rep->length << 2) - SIZEOF (fsListFontsWithXInfoReply)(12 + 40); |
| 2532 | |
| 2533 | /* |
| 2534 | * The original FS implementation didn't match |
| 2535 | * the spec, version 1 was respecified to match the FS. |
| 2536 | * Version 2 matches the original intent |
| 2537 | */ |
| 2538 | if (conn->fsMajorVersion <= 1) |
| 2539 | { |
| 2540 | if (rep->nameLength > bufleft) { |
| 2541 | #ifdef DEBUG |
| 2542 | fprintf(stderr__stderrp, |
| 2543 | "fsListFontsWithXInfo: name length (%d) > bufleft (%ld)\n", |
| 2544 | (int) rep->nameLength, bufleft); |
| 2545 | #endif |
| 2546 | err = AllocError80; |
| 2547 | goto done; |
| 2548 | } |
| 2549 | /* binfo->name is a 256 char array, rep->nameLength is a CARD8 */ |
| 2550 | memcpy (binfo->name, buf, rep->nameLength)__builtin___memcpy_chk (binfo->name, buf, rep->nameLength , __builtin_object_size (binfo->name, 0)); |
| 2551 | buf += _fs_pad_length (rep->nameLength); |
| 2552 | bufleft -= _fs_pad_length (rep->nameLength); |
| 2553 | } |
| 2554 | pi = (fsPropInfo *) buf; |
| 2555 | if (SIZEOF (fsPropInfo)8 > bufleft) { |
| 2556 | #ifdef DEBUG |
| 2557 | fprintf(stderr__stderrp, |
| 2558 | "fsListFontsWithXInfo: PropInfo length (%d) > bufleft (%ld)\n", |
| 2559 | (int) SIZEOF (fsPropInfo)8, bufleft); |
| 2560 | #endif |
| 2561 | err = AllocError80; |
| 2562 | goto done; |
| 2563 | } |
| 2564 | bufleft -= SIZEOF (fsPropInfo)8; |
| 2565 | buf += SIZEOF (fsPropInfo)8; |
| 2566 | po = (fsPropOffset *) buf; |
| 2567 | if (pi->num_offsets > (bufleft / SIZEOF (fsPropOffset)20)) { |
| 2568 | #ifdef DEBUG |
| 2569 | fprintf(stderr__stderrp, |
| 2570 | "fsListFontsWithXInfo: offset length (%d * %d) > bufleft (%ld)\n", |
| 2571 | pi->num_offsets, (int) SIZEOF (fsPropOffset)20, bufleft); |
| 2572 | #endif |
| 2573 | err = AllocError80; |
| 2574 | goto done; |
| 2575 | } |
| 2576 | bufleft -= pi->num_offsets * SIZEOF (fsPropOffset)20; |
| 2577 | buf += pi->num_offsets * SIZEOF (fsPropOffset)20; |
| 2578 | pd = (pointer) buf; |
| 2579 | if (pi->data_len > bufleft) { |
| 2580 | #ifdef DEBUG |
| 2581 | fprintf(stderr__stderrp, |
| 2582 | "fsListFontsWithXInfo: data length (%d) > bufleft (%ld)\n", |
| 2583 | pi->data_len, bufleft); |
| 2584 | #endif |
| 2585 | err = AllocError80; |
| 2586 | goto done; |
| 2587 | } |
| 2588 | bufleft -= pi->data_len; |
| 2589 | buf += pi->data_len; |
| 2590 | if (conn->fsMajorVersion > 1) |
| 2591 | { |
| 2592 | if (rep->nameLength > bufleft) { |
| 2593 | #ifdef DEBUG |
| 2594 | fprintf(stderr__stderrp, |
| 2595 | "fsListFontsWithXInfo: name length (%d) > bufleft (%ld)\n", |
| 2596 | (int) rep->nameLength, bufleft); |
| 2597 | #endif |
| 2598 | err = AllocError80; |
| 2599 | goto done; |
| 2600 | } |
| 2601 | /* binfo->name is a 256 char array, rep->nameLength is a CARD8 */ |
| 2602 | memcpy (binfo->name, buf, rep->nameLength)__builtin___memcpy_chk (binfo->name, buf, rep->nameLength , __builtin_object_size (binfo->name, 0)); |
| 2603 | buf += _fs_pad_length (rep->nameLength); |
| 2604 | bufleft -= _fs_pad_length (rep->nameLength); |
| 2605 | } |
| 2606 | |
| 2607 | #ifdef DEBUG |
| 2608 | binfo->name[rep->nameLength] = '\0'; |
| 2609 | fprintf (stderr__stderrp, "fs_read_list_info %s\n", binfo->name); |
| 2610 | #endif |
| 2611 | err = _fs_convert_lfwi_reply(conn, &binfo->info, rep, pi, po, pd); |
| 2612 | if (err != Successful85) |
| 2613 | { |
| 2614 | binfo->status = FS_LFWI_FINISHED2; |
| 2615 | goto done; |
| 2616 | } |
| 2617 | binfo->namelen = rep->nameLength; |
| 2618 | binfo->remaining = rep->nReplies; |
| 2619 | |
| 2620 | binfo->status = FS_LFWI_REPLY1; |
| 2621 | |
| 2622 | /* disable this font server until we've processed this response */ |
| 2623 | _fs_unmark_block (conn, FS_COMPLETE_REPLY0x20); |
| 2624 | FD_CLR(conn->fs_fd, &_fs_fd_mask)do { int __fd = (conn->fs_fd); ((&_fs_fd_mask)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); |
| 2625 | done: |
| 2626 | _fs_done_read (conn, rep->length << 2); |
| 2627 | return err; |
| 2628 | } |
| 2629 | |
| 2630 | /* ARGSUSED */ |
| 2631 | static int |
| 2632 | fs_start_list_with_info(pointer client, FontPathElementPtr fpe, |
| 2633 | const char *pattern, int len, int maxnames, pointer *pdata) |
| 2634 | { |
| 2635 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 2636 | FSBlockDataPtr blockrec; |
| 2637 | FSBlockedListInfoPtr binfo; |
| 2638 | fsListFontsWithXInfoReq req; |
| 2639 | |
| 2640 | if (conn->blockState & FS_GIVE_UP0x10) |
| 2641 | return BadFontName83; |
| 2642 | |
| 2643 | /* make a new block record, and add it to the end of the list */ |
| 2644 | blockrec = fs_new_block_rec(fpe, client, FS_LIST_WITH_INFO4); |
| 2645 | if (!blockrec) |
| 2646 | return AllocError80; |
| 2647 | |
| 2648 | binfo = (FSBlockedListInfoPtr) blockrec->data; |
| 2649 | bzero((char *) binfo, sizeof(FSBlockedListInfoRec))__builtin___memset_chk ((char *) binfo, 0, sizeof(FSBlockedListInfoRec ), __builtin_object_size ((char *) binfo, 0)); |
| 2650 | binfo->status = FS_LFWI_WAITING0; |
| 2651 | |
| 2652 | if (conn->blockState & (FS_BROKEN_CONNECTION0x04 | FS_RECONNECTING0x40)) |
| 2653 | { |
| 2654 | _fs_pending_reply (conn); |
| 2655 | return Suspended84; |
| 2656 | } |
| 2657 | |
| 2658 | _fs_client_access (conn, client, FALSE0); |
| 2659 | _fs_client_resolution(conn); |
| 2660 | |
| 2661 | /* send the request */ |
| 2662 | req.reqType = FS_ListFontsWithXInfo14; |
| 2663 | req.pad = 0; |
| 2664 | req.maxNames = maxnames; |
| 2665 | req.nbytes = len; |
| 2666 | req.length = (SIZEOF(fsListFontsWithXInfoReq)12 + len + 3) >> 2; |
| 2667 | _fs_add_req_log(conn, FS_ListFontsWithXInfo)((conn)->current_seq++); |
| 2668 | (void) _fs_write(conn, (char *) &req, SIZEOF(fsListFontsWithXInfoReq)12); |
| 2669 | (void) _fs_write_pad(conn, pattern, len); |
| 2670 | |
| 2671 | blockrec->sequenceNumber = conn->current_seq; |
| 2672 | |
| 2673 | #ifdef NCD |
| 2674 | if (configData.ExtendedFontDiags) { |
| 2675 | char buf[256]; |
| 2676 | |
| 2677 | memcpy(buf, pattern, MIN(256, len))__builtin___memcpy_chk (buf, pattern, (((256)<(len))?(256) :(len)), __builtin_object_size (buf, 0)); |
| 2678 | buf[MIN(256, len)(((256)<(len))?(256):(len))] = '\0'; |
| 2679 | printf("Listing fonts with info on pattern \"%s\" from font server \"%s\"\n", |
| 2680 | buf, fpe->name); |
| 2681 | } |
| 2682 | #endif |
| 2683 | |
| 2684 | _fs_prepare_for_reply (conn); |
| 2685 | return Successful85; |
| 2686 | } |
| 2687 | |
| 2688 | /* ARGSUSED */ |
| 2689 | static int |
| 2690 | fs_next_list_with_info(pointer client, FontPathElementPtr fpe, |
| 2691 | char **namep, int *namelenp, |
| 2692 | FontInfoPtr *pFontInfo, int *numFonts, |
| 2693 | pointer private) |
| 2694 | { |
| 2695 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 2696 | FSBlockDataPtr blockrec; |
| 2697 | FSBlockedListInfoPtr binfo; |
| 2698 | int err; |
| 2699 | |
| 2700 | /* see if the result is already there */ |
| 2701 | for (blockrec = conn->blockedRequests; blockrec; blockrec = blockrec->next) |
| 2702 | if (blockrec->type == FS_LIST_WITH_INFO4 && blockrec->client == client) |
| 2703 | break; |
| 2704 | |
| 2705 | if (!blockrec) |
| 2706 | { |
| 2707 | /* The only good reason for not finding a blockrec would be if |
| 2708 | disconnect/reconnect to the font server wiped it out and the |
| 2709 | code that called us didn't do the right thing to create |
| 2710 | another one. Under those circumstances, we need to return an |
| 2711 | error to prevent that code from attempting to interpret the |
| 2712 | information we don't return. */ |
| 2713 | return BadFontName83; |
| 2714 | } |
| 2715 | |
| 2716 | binfo = (FSBlockedListInfoPtr) blockrec->data; |
| 2717 | |
| 2718 | if (binfo->status == FS_LFWI_WAITING0) |
| 2719 | return Suspended84; |
| 2720 | |
| 2721 | *namep = binfo->name; |
| 2722 | *namelenp = binfo->namelen; |
| 2723 | *pFontInfo = &binfo->info; |
| 2724 | *numFonts = binfo->remaining; |
| 2725 | |
| 2726 | /* Restart reply processing from this font server */ |
| 2727 | FD_SET(conn->fs_fd, &_fs_fd_mask)do { int __fd = (conn->fs_fd); ((&_fs_fd_mask)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); |
| 2728 | if (fs_reply_ready (conn)) |
| 2729 | _fs_mark_block (conn, FS_COMPLETE_REPLY0x20); |
| 2730 | |
| 2731 | err = blockrec->errcode; |
| 2732 | switch (binfo->status) { |
| 2733 | case FS_LFWI_FINISHED2: |
| 2734 | _fs_remove_block_rec(conn, blockrec); |
| 2735 | break; |
| 2736 | case FS_LFWI_REPLY1: |
| 2737 | binfo->status = FS_LFWI_WAITING0; |
| 2738 | blockrec->errcode = StillWorking81; |
| 2739 | conn->blockedReplyTime = GetTimeInMillis () + FontServerRequestTimeout; |
| 2740 | _fs_mark_block (conn, FS_PENDING_REPLY0x08); |
| 2741 | break; |
| 2742 | } |
| 2743 | |
| 2744 | return err; |
| 2745 | } |
| 2746 | |
| 2747 | /* |
| 2748 | * Called when client exits |
| 2749 | */ |
| 2750 | |
| 2751 | static void |
| 2752 | fs_client_died(pointer client, FontPathElementPtr fpe) |
| 2753 | { |
| 2754 | FSFpePtr conn = (FSFpePtr) fpe->private; |
| 2755 | FSBlockDataPtr blockrec, |
| 2756 | depending; |
| 2757 | FSClientPtr *prev, cur; |
| 2758 | fsFreeACReq freeac; |
| 2759 | |
| 2760 | for (prev = &conn->clients; (cur = *prev); prev = &cur->next) |
| 2761 | { |
| 2762 | if (cur->client == client) { |
| 2763 | freeac.reqType = FS_FreeAC9; |
| 2764 | freeac.pad = 0; |
| 2765 | freeac.id = cur->acid; |
| 2766 | freeac.length = sizeof (fsFreeACReq) >> 2; |
| 2767 | _fs_add_req_log(conn, FS_FreeAC)((conn)->current_seq++); |
| 2768 | _fs_write (conn, (char *) &freeac, sizeof (fsFreeACReq)); |
| 2769 | *prev = cur->next; |
| 2770 | free (cur); |
| 2771 | break; |
| 2772 | } |
| 2773 | } |
| 2774 | /* find a pending requests */ |
| 2775 | for (blockrec = conn->blockedRequests; blockrec; blockrec = blockrec->next) |
| 2776 | if (blockrec->client == client) |
| 2777 | break; |
| 2778 | |
| 2779 | if (!blockrec) |
| 2780 | return; |
| 2781 | |
| 2782 | /* replace the client pointers in this block rec with the chained one */ |
| 2783 | if ((depending = blockrec->depending)) |
| 2784 | { |
| 2785 | blockrec->client = depending->client; |
| 2786 | blockrec->depending = depending->depending; |
| 2787 | blockrec = depending; |
| 2788 | } |
| 2789 | fs_abort_blockrec(conn, blockrec); |
| 2790 | } |
| 2791 | |
| 2792 | static void |
| 2793 | _fs_client_access (FSFpePtr conn, pointer client, Bool sync) |
| 2794 | { |
| 2795 | FSClientPtr *prev, cur; |
| 2796 | fsCreateACReq crac; |
| 2797 | fsSetAuthorizationReq setac; |
| 2798 | char *authorizations; |
| 2799 | int authlen; |
| 2800 | Bool new_cur = FALSE0; |
| 2801 | char padding[4] = { 0, 0, 0, 0 }; |
| 2802 | |
| 2803 | #ifdef DEBUG |
| 2804 | if (conn->blockState & (FS_RECONNECTING0x40|FS_BROKEN_CONNECTION0x04)) |
| 2805 | { |
| 2806 | fprintf (stderr__stderrp, "Sending requests without a connection\n"); |
| 2807 | } |
| 2808 | #endif |
| 2809 | for (prev = &conn->clients; (cur = *prev); prev = &cur->next) |
| 2810 | { |
| 2811 | if (cur->client == client) |
| 2812 | { |
| 2813 | if (prev != &conn->clients) |
| 2814 | { |
| 2815 | *prev = cur->next; |
| 2816 | cur->next = conn->clients; |
| 2817 | conn->clients = cur; |
| 2818 | } |
| 2819 | break; |
| 2820 | } |
| 2821 | } |
| 2822 | if (!cur) |
| 2823 | { |
| 2824 | cur = malloc (sizeof (FSClientRec)); |
| 2825 | if (!cur) |
| 2826 | return; |
| 2827 | cur->client = client; |
| 2828 | cur->next = conn->clients; |
| 2829 | conn->clients = cur; |
| 2830 | cur->acid = GetNewFontClientID (); |
| 2831 | new_cur = TRUE1; |
| 2832 | } |
| 2833 | if (new_cur || cur->auth_generation != client_auth_generation(client)) |
| 2834 | { |
| 2835 | if (!new_cur) |
| 2836 | { |
| 2837 | fsFreeACReq freeac; |
| 2838 | freeac.reqType = FS_FreeAC9; |
| 2839 | freeac.pad = 0; |
| 2840 | freeac.id = cur->acid; |
| 2841 | freeac.length = sizeof (fsFreeACReq) >> 2; |
| 2842 | _fs_add_req_log(conn, FS_FreeAC)((conn)->current_seq++); |
| 2843 | _fs_write (conn, (char *) &freeac, sizeof (fsFreeACReq)); |
| 2844 | } |
| 2845 | crac.reqType = FS_CreateAC8; |
| 2846 | crac.num_auths = set_font_authorizations(&authorizations, &authlen, |
| 2847 | client); |
| 2848 | /* Work around bug in xfs versions up through modular release 1.0.8 |
| 2849 | which rejects CreateAC packets with num_auths = 0 & authlen < 4 */ |
| 2850 | if (crac.num_auths == 0) { |
| 2851 | authorizations = padding; |
| 2852 | authlen = 4; |
| 2853 | } else { |
| 2854 | authlen = (authlen + 3) & ~0x3; |
| 2855 | } |
| 2856 | crac.length = (sizeof (fsCreateACReq) + authlen) >> 2; |
| 2857 | crac.acid = cur->acid; |
| 2858 | _fs_add_req_log(conn, FS_CreateAC)((conn)->current_seq++); |
| 2859 | _fs_write(conn, (char *) &crac, sizeof (fsCreateACReq)); |
| 2860 | _fs_write(conn, authorizations, authlen); |
| 2861 | /* ignore reply; we don't even care about it */ |
| 2862 | conn->curacid = 0; |
| 2863 | cur->auth_generation = client_auth_generation(client); |
| 2864 | } |
| 2865 | if (conn->curacid != cur->acid) |
| 2866 | { |
| 2867 | setac.reqType = FS_SetAuthorization10; |
| 2868 | setac.pad = 0; |
| 2869 | setac.length = sizeof (fsSetAuthorizationReq) >> 2; |
| 2870 | setac.id = cur->acid; |
| 2871 | _fs_add_req_log(conn, FS_SetAuthorization)((conn)->current_seq++); |
| 2872 | _fs_write(conn, (char *) &setac, sizeof (fsSetAuthorizationReq)); |
| 2873 | conn->curacid = cur->acid; |
| 2874 | } |
| 2875 | } |
| 2876 | |
| 2877 | /* |
| 2878 | * Poll a pending connect |
| 2879 | */ |
| 2880 | |
| 2881 | static int |
| 2882 | _fs_check_connect (FSFpePtr conn) |
| 2883 | { |
| 2884 | int ret; |
| 2885 | |
| 2886 | ret = _fs_poll_connect (conn->trans_conn, 0); |
| 2887 | switch (ret) { |
| 2888 | case FSIO_READY1: |
| 2889 | conn->fs_fd = _FontTransGetConnectionNumber (conn->trans_conn); |
| 2890 | FD_SET (conn->fs_fd, &_fs_fd_mask)do { int __fd = (conn->fs_fd); ((&_fs_fd_mask)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] |= ((__int32_t) (1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); |
| 2891 | break; |
| 2892 | case FSIO_BLOCK0: |
| 2893 | break; |
| 2894 | } |
| 2895 | return ret; |
| 2896 | } |
| 2897 | |
| 2898 | /* |
| 2899 | * Return an FSIO status while waiting for the completed connection |
| 2900 | * reply to arrive |
| 2901 | */ |
| 2902 | |
| 2903 | static fsConnSetup * |
| 2904 | _fs_get_conn_setup (FSFpePtr conn, int *error, int *setup_len) |
| 2905 | { |
| 2906 | int ret; |
| 2907 | char *data; |
| 2908 | int headlen; |
| 2909 | int len; |
| 2910 | fsConnSetup *setup; |
| 2911 | fsConnSetupAccept *accept; |
| 2912 | |
| 2913 | ret = _fs_start_read (conn, SIZEOF (fsConnSetup)12, &data); |
| 2914 | if (ret != FSIO_READY1) |
| 2915 | { |
| 2916 | *error = ret; |
| 2917 | return 0; |
| 2918 | } |
| 2919 | |
| 2920 | setup = (fsConnSetup *) data; |
| 2921 | if (setup->major_version > FS_PROTOCOL2) |
| 2922 | { |
| 2923 | *error = FSIO_ERROR-1; |
| 2924 | return 0; |
| 2925 | } |
| 2926 | |
| 2927 | headlen = (SIZEOF (fsConnSetup)12 + |
| 2928 | (setup->alternate_len << 2) + |
| 2929 | (setup->auth_len << 2)); |
| 2930 | /* On anything but Success, no extra data is sent */ |
| 2931 | if (setup->status != AuthSuccess0) |
| 2932 | { |
| 2933 | len = headlen; |
| 2934 | } |
| 2935 | else |
| 2936 | { |
| 2937 | ret = _fs_start_read (conn, headlen + SIZEOF (fsConnSetupAccept)12, &data); |
| 2938 | if (ret != FSIO_READY1) |
| 2939 | { |
| 2940 | *error = ret; |
| 2941 | return 0; |
| 2942 | } |
| 2943 | setup = (fsConnSetup *) data; |
Value stored to 'setup' is never read | |
| 2944 | accept = (fsConnSetupAccept *) (data + headlen); |
| 2945 | len = headlen + (accept->length << 2); |
| 2946 | } |
| 2947 | ret = _fs_start_read (conn, len, &data); |
| 2948 | if (ret != FSIO_READY1) |
| 2949 | { |
| 2950 | *error = ret; |
| 2951 | return 0; |
| 2952 | } |
| 2953 | *setup_len = len; |
| 2954 | return (fsConnSetup *) data; |
| 2955 | } |
| 2956 | |
| 2957 | static int |
| 2958 | _fs_send_conn_client_prefix (FSFpePtr conn) |
| 2959 | { |
| 2960 | fsConnClientPrefix req; |
| 2961 | int endian; |
| 2962 | int ret; |
| 2963 | |
| 2964 | /* send setup prefix */ |
| 2965 | endian = 1; |
| 2966 | if (*(char *) &endian) |
| 2967 | req.byteOrder = 'l'; |
| 2968 | else |
| 2969 | req.byteOrder = 'B'; |
| 2970 | |
| 2971 | req.major_version = FS_PROTOCOL2; |
| 2972 | req.minor_version = FS_PROTOCOL_MINOR0; |
| 2973 | |
| 2974 | /* XXX add some auth info here */ |
| 2975 | req.num_auths = 0; |
| 2976 | req.auth_len = 0; |
| 2977 | ret = _fs_write (conn, (char *) &req, SIZEOF (fsConnClientPrefix)8); |
| 2978 | if (ret != FSIO_READY1) |
| 2979 | return FSIO_ERROR-1; |
| 2980 | conn->blockedConnectTime = GetTimeInMillis () + FontServerRequestTimeout; |
| 2981 | return ret; |
| 2982 | } |
| 2983 | |
| 2984 | static int |
| 2985 | _fs_recv_conn_setup (FSFpePtr conn) |
| 2986 | { |
| 2987 | int ret = FSIO_ERROR-1; |
| 2988 | fsConnSetup *setup; |
| 2989 | FSFpeAltPtr alts; |
| 2990 | unsigned int i, alt_len; |
| 2991 | int setup_len; |
| 2992 | char *alt_save, *alt_names; |
| 2993 | |
| 2994 | setup = _fs_get_conn_setup (conn, &ret, &setup_len); |
| 2995 | if (!setup) |
| 2996 | return ret; |
| 2997 | conn->current_seq = 0; |
| 2998 | conn->fsMajorVersion = setup->major_version; |
| 2999 | /* |
| 3000 | * Create an alternate list from the initial server, but |
| 3001 | * don't chain looking for alternates. |
| 3002 | */ |
| 3003 | if (conn->alternate == 0) |
| 3004 | { |
| 3005 | /* |
| 3006 | * free any existing alternates list, allowing the list to |
| 3007 | * be updated |
| 3008 | */ |
| 3009 | if (conn->alts) |
| 3010 | { |
| 3011 | free (conn->alts); |
| 3012 | conn->alts = 0; |
| 3013 | conn->numAlts = 0; |
| 3014 | } |
| 3015 | if (setup->num_alternates) |
| 3016 | { |
| 3017 | size_t alt_name_len = setup->alternate_len << 2; |
| 3018 | alts = malloc (setup->num_alternates * sizeof (FSFpeAltRec) + |
| 3019 | alt_name_len); |
| 3020 | if (alts) |
| 3021 | { |
| 3022 | alt_names = (char *) (setup + 1); |
| 3023 | alt_save = (char *) (alts + setup->num_alternates); |
| 3024 | for (i = 0; i < setup->num_alternates; i++) |
| 3025 | { |
| 3026 | alts[i].subset = alt_names[0]; |
| 3027 | alt_len = alt_names[1]; |
| 3028 | if (alt_len >= alt_name_len) { |
| 3029 | /* |
| 3030 | * Length is longer than setup->alternate_len |
| 3031 | * told us to allocate room for, assume entire |
| 3032 | * alternate list is corrupted. |
| 3033 | */ |
| 3034 | #ifdef DEBUG |
| 3035 | fprintf (stderr__stderrp, |
| 3036 | "invalid alt list (length %lx >= %lx)\n", |
| 3037 | (long) alt_len, (long) alt_name_len); |
| 3038 | #endif |
| 3039 | free(alts); |
| 3040 | return FSIO_ERROR-1; |
| 3041 | } |
| 3042 | alts[i].name = alt_save; |
| 3043 | memcpy (alt_save, alt_names + 2, alt_len)__builtin___memcpy_chk (alt_save, alt_names + 2, alt_len, __builtin_object_size (alt_save, 0)); |
| 3044 | alt_save[alt_len] = '\0'; |
| 3045 | alt_save += alt_len + 1; |
| 3046 | alt_name_len -= alt_len + 1; |
| 3047 | alt_names += _fs_pad_length (alt_len + 2); |
| 3048 | } |
| 3049 | conn->numAlts = setup->num_alternates; |
| 3050 | conn->alts = alts; |
| 3051 | } |
| 3052 | } |
| 3053 | } |
| 3054 | _fs_done_read (conn, setup_len); |
| 3055 | if (setup->status != AuthSuccess0) |
| 3056 | return FSIO_ERROR-1; |
| 3057 | return FSIO_READY1; |
| 3058 | } |
| 3059 | |
| 3060 | static int |
| 3061 | _fs_open_server (FSFpePtr conn) |
| 3062 | { |
| 3063 | int ret; |
| 3064 | char *servername; |
| 3065 | |
| 3066 | if (conn->alternate == 0) |
| 3067 | servername = conn->servername; |
| 3068 | else |
| 3069 | servername = conn->alts[conn->alternate-1].name; |
| 3070 | conn->trans_conn = _fs_connect (servername, &ret); |
| 3071 | conn->blockedConnectTime = GetTimeInMillis () + FS_RECONNECT_WAIT5000; |
| 3072 | return ret; |
| 3073 | } |
| 3074 | |
| 3075 | static char * |
| 3076 | _fs_catalog_name (char *servername) |
| 3077 | { |
| 3078 | char *sp; |
| 3079 | |
| 3080 | sp = strchr (servername, '/'); |
| 3081 | if (!sp) |
| 3082 | return 0; |
| 3083 | return strrchr (sp + 1, '/'); |
| 3084 | } |
| 3085 | |
| 3086 | static int |
| 3087 | _fs_send_init_packets (FSFpePtr conn) |
| 3088 | { |
| 3089 | fsSetResolutionReq srreq; |
| 3090 | fsSetCataloguesReq screq; |
| 3091 | int num_cats, |
| 3092 | clen; |
| 3093 | char *catalogues; |
| 3094 | char *cat; |
| 3095 | char len; |
| 3096 | char *end; |
| 3097 | int num_res; |
| 3098 | FontResolutionPtr res; |
| 3099 | |
| 3100 | #define CATALOGUE_SEP'+' '+' |
| 3101 | |
| 3102 | res = GetClientResolutions(&num_res); |
| 3103 | if (num_res) |
| 3104 | { |
| 3105 | srreq.reqType = FS_SetResolution11; |
| 3106 | srreq.num_resolutions = num_res; |
| 3107 | srreq.length = (SIZEOF(fsSetResolutionReq)4 + |
| 3108 | (num_res * SIZEOF(fsResolution)6) + 3) >> 2; |
| 3109 | |
| 3110 | _fs_add_req_log(conn, FS_SetResolution)((conn)->current_seq++); |
| 3111 | if (_fs_write(conn, (char *) &srreq, SIZEOF(fsSetResolutionReq)4) != FSIO_READY1) |
| 3112 | return FSIO_ERROR-1; |
| 3113 | if (_fs_write_pad(conn, (char *) res, (num_res * SIZEOF(fsResolution)6)) != FSIO_READY1) |
| 3114 | return FSIO_ERROR-1; |
| 3115 | } |
| 3116 | |
| 3117 | catalogues = 0; |
| 3118 | if (conn->alternate != 0) |
| 3119 | catalogues = _fs_catalog_name (conn->alts[conn->alternate-1].name); |
| 3120 | if (!catalogues) |
| 3121 | catalogues = _fs_catalog_name (conn->servername); |
| 3122 | |
| 3123 | if (!catalogues) |
| 3124 | { |
| 3125 | conn->has_catalogues = FALSE0; |
| 3126 | return FSIO_READY1; |
| 3127 | } |
| 3128 | conn->has_catalogues = TRUE1; |
| 3129 | |
| 3130 | /* turn cats into counted list */ |
| 3131 | catalogues++; |
| 3132 | |
| 3133 | cat = catalogues; |
| 3134 | num_cats = 0; |
| 3135 | clen = 0; |
| 3136 | while (*cat) |
| 3137 | { |
| 3138 | num_cats++; |
| 3139 | end = strchr(cat, CATALOGUE_SEP'+'); |
| 3140 | if (!end) |
| 3141 | end = cat + strlen (cat); |
| 3142 | clen += (end - cat) + 1; /* length byte + string */ |
| 3143 | cat = end; |
| 3144 | } |
| 3145 | |
| 3146 | screq.reqType = FS_SetCatalogues4; |
| 3147 | screq.num_catalogues = num_cats; |
| 3148 | screq.length = (SIZEOF(fsSetCataloguesReq)4 + clen + 3) >> 2; |
| 3149 | |
| 3150 | _fs_add_req_log(conn, FS_SetCatalogues)((conn)->current_seq++); |
| 3151 | if (_fs_write(conn, (char *) &screq, SIZEOF(fsSetCataloguesReq)4) != FSIO_READY1) |
| 3152 | return FSIO_ERROR-1; |
| 3153 | |
| 3154 | while (*cat) |
| 3155 | { |
| 3156 | num_cats++; |
| 3157 | end = strchr(cat, CATALOGUE_SEP'+'); |
| 3158 | if (!end) |
| 3159 | end = cat + strlen (cat); |
| 3160 | len = end - cat; |
| 3161 | if (_fs_write (conn, &len, 1) != FSIO_READY1) |
| 3162 | return FSIO_ERROR-1; |
| 3163 | if (_fs_write (conn, cat, (int) len) != FSIO_READY1) |
| 3164 | return FSIO_ERROR-1; |
| 3165 | cat = end; |
| 3166 | } |
| 3167 | |
| 3168 | if (_fs_write (conn, "....", _fs_pad_length (clen) - clen) != FSIO_READY1) |
| 3169 | return FSIO_ERROR-1; |
| 3170 | |
| 3171 | return FSIO_READY1; |
| 3172 | } |
| 3173 | |
| 3174 | static int |
| 3175 | _fs_send_cat_sync (FSFpePtr conn) |
| 3176 | { |
| 3177 | fsListCataloguesReq lcreq; |
| 3178 | |
| 3179 | /* |
| 3180 | * now sync up with the font server, to see if an error was generated |
| 3181 | * by a bogus catalogue |
| 3182 | */ |
| 3183 | lcreq.reqType = FS_ListCatalogues3; |
| 3184 | lcreq.data = 0; |
| 3185 | lcreq.length = (SIZEOF(fsListCataloguesReq)12) >> 2; |
| 3186 | lcreq.maxNames = 0; |
| 3187 | lcreq.nbytes = 0; |
| 3188 | lcreq.pad2 = 0; |
| 3189 | _fs_add_req_log(conn, FS_SetCatalogues)((conn)->current_seq++); |
| 3190 | if (_fs_write(conn, (char *) &lcreq, SIZEOF(fsListCataloguesReq)12) != FSIO_READY1) |
| 3191 | return FSIO_ERROR-1; |
| 3192 | conn->blockedConnectTime = GetTimeInMillis () + FontServerRequestTimeout; |
| 3193 | return FSIO_READY1; |
| 3194 | } |
| 3195 | |
| 3196 | static int |
| 3197 | _fs_recv_cat_sync (FSFpePtr conn) |
| 3198 | { |
| 3199 | fsGenericReply *reply; |
| 3200 | fsError *error; |
| 3201 | int err; |
| 3202 | int ret; |
| 3203 | |
| 3204 | reply = fs_get_reply (conn, &err); |
| 3205 | if (!reply) |
| 3206 | return err; |
| 3207 | |
| 3208 | ret = FSIO_READY1; |
| 3209 | if (reply->type == FS_Error1) |
| 3210 | { |
| 3211 | error = (fsError *) reply; |
| 3212 | if (error->major_opcode == FS_SetCatalogues4) |
| 3213 | ret = FSIO_ERROR-1; |
| 3214 | } |
| 3215 | _fs_done_read (conn, reply->length << 2); |
| 3216 | return ret; |
| 3217 | } |
| 3218 | |
| 3219 | static void |
| 3220 | _fs_close_server (FSFpePtr conn) |
| 3221 | { |
| 3222 | _fs_unmark_block (conn, FS_PENDING_WRITE0x01|FS_BROKEN_WRITE0x02|FS_COMPLETE_REPLY0x20|FS_BROKEN_CONNECTION0x04); |
| 3223 | if (conn->trans_conn) |
| 3224 | { |
| 3225 | _FontTransClose (conn->trans_conn); |
| 3226 | conn->trans_conn = 0; |
| 3227 | _fs_io_reinit (conn); |
| 3228 | } |
| 3229 | if (conn->fs_fd >= 0) |
| 3230 | { |
| 3231 | FD_CLR (conn->fs_fd, &_fs_fd_mask)do { int __fd = (conn->fs_fd); ((&_fs_fd_mask)->fds_bits [(unsigned long)__fd/(sizeof(__int32_t) * 8)] &= ~((__int32_t )(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))) ; } while(0); |
| 3232 | conn->fs_fd = -1; |
| 3233 | } |
| 3234 | conn->fs_conn_state = FS_CONN_UNCONNECTED0; |
| 3235 | } |
| 3236 | |
| 3237 | static int |
| 3238 | _fs_do_setup_connection (FSFpePtr conn) |
| 3239 | { |
| 3240 | int ret; |
| 3241 | |
| 3242 | do |
| 3243 | { |
| 3244 | #ifdef DEBUG |
| 3245 | fprintf (stderr__stderrp, "fs_do_setup_connection state %d\n", conn->fs_conn_state); |
| 3246 | #endif |
| 3247 | switch (conn->fs_conn_state) { |
| 3248 | case FS_CONN_UNCONNECTED0: |
| 3249 | ret = _fs_open_server (conn); |
| 3250 | if (ret == FSIO_BLOCK0) |
| 3251 | conn->fs_conn_state = FS_CONN_CONNECTING1; |
| 3252 | break; |
| 3253 | case FS_CONN_CONNECTING1: |
| 3254 | ret = _fs_check_connect (conn); |
| 3255 | break; |
| 3256 | case FS_CONN_CONNECTED2: |
| 3257 | ret = _fs_send_conn_client_prefix (conn); |
| 3258 | break; |
| 3259 | case FS_CONN_SENT_PREFIX3: |
| 3260 | ret = _fs_recv_conn_setup (conn); |
| 3261 | break; |
| 3262 | case FS_CONN_RECV_INIT4: |
| 3263 | ret = _fs_send_init_packets (conn); |
| 3264 | if (conn->has_catalogues) |
| 3265 | ret = _fs_send_cat_sync (conn); |
| 3266 | break; |
| 3267 | case FS_CONN_SENT_CAT5: |
| 3268 | if (conn->has_catalogues) |
| 3269 | ret = _fs_recv_cat_sync (conn); |
| 3270 | else |
| 3271 | ret = FSIO_READY1; |
| 3272 | break; |
| 3273 | default: |
| 3274 | ret = FSIO_READY1; |
| 3275 | break; |
| 3276 | } |
| 3277 | switch (ret) { |
| 3278 | case FSIO_READY1: |
| 3279 | if (conn->fs_conn_state < FS_CONN_RUNNING6) |
| 3280 | conn->fs_conn_state++; |
| 3281 | break; |
| 3282 | case FSIO_BLOCK0: |
| 3283 | if (TimeCmp (GetTimeInMillis (), <, conn->blockedConnectTime)((int) ((GetTimeInMillis ()) - (conn->blockedConnectTime)) < 0)) |
| 3284 | break; |
| 3285 | ret = FSIO_ERROR-1; |
| 3286 | /* fall through... */ |
| 3287 | case FSIO_ERROR-1: |
| 3288 | _fs_close_server (conn); |
| 3289 | /* |
| 3290 | * Try the next alternate |
| 3291 | */ |
| 3292 | if (conn->alternate < conn->numAlts) |
| 3293 | { |
| 3294 | conn->alternate++; |
| 3295 | ret = FSIO_READY1; |
| 3296 | } |
| 3297 | else |
| 3298 | conn->alternate = 0; |
| 3299 | break; |
| 3300 | } |
| 3301 | } while (conn->fs_conn_state != FS_CONN_RUNNING6 && ret == FSIO_READY1); |
| 3302 | if (ret == FSIO_READY1) |
| 3303 | conn->generation = ++generationCount; |
| 3304 | return ret; |
| 3305 | } |
| 3306 | |
| 3307 | static int |
| 3308 | _fs_wait_connect (FSFpePtr conn) |
| 3309 | { |
| 3310 | int ret; |
| 3311 | |
| 3312 | for (;;) |
| 3313 | { |
| 3314 | ret = _fs_do_setup_connection (conn); |
| 3315 | if (ret != FSIO_BLOCK0) |
| 3316 | break; |
| 3317 | if (conn->fs_conn_state <= FS_CONN_CONNECTING1) |
| 3318 | ret = _fs_poll_connect (conn->trans_conn, 1000); |
| 3319 | else |
| 3320 | ret = _fs_wait_for_readable (conn, 1000); |
| 3321 | if (ret == FSIO_ERROR-1) |
| 3322 | break; |
| 3323 | } |
| 3324 | return ret; |
| 3325 | } |
| 3326 | |
| 3327 | /* |
| 3328 | * Poll a connection in the process of reconnecting |
| 3329 | */ |
| 3330 | static void |
| 3331 | _fs_check_reconnect (FSFpePtr conn) |
| 3332 | { |
| 3333 | int ret; |
| 3334 | |
| 3335 | ret = _fs_do_setup_connection (conn); |
| 3336 | switch (ret) { |
| 3337 | case FSIO_READY1: |
| 3338 | _fs_unmark_block (conn, FS_RECONNECTING0x40|FS_GIVE_UP0x10); |
| 3339 | _fs_restart_connection (conn); |
| 3340 | break; |
| 3341 | case FSIO_BLOCK0: |
| 3342 | break; |
| 3343 | case FSIO_ERROR-1: |
| 3344 | conn->brokenConnectionTime = GetTimeInMillis () + FS_RECONNECT_POLL1000; |
| 3345 | break; |
| 3346 | } |
| 3347 | } |
| 3348 | |
| 3349 | /* |
| 3350 | * Start the reconnection process |
| 3351 | */ |
| 3352 | static void |
| 3353 | _fs_start_reconnect (FSFpePtr conn) |
| 3354 | { |
| 3355 | if (conn->blockState & FS_RECONNECTING0x40) |
| 3356 | return; |
| 3357 | conn->alternate = 0; |
| 3358 | _fs_mark_block (conn, FS_RECONNECTING0x40); |
| 3359 | _fs_unmark_block (conn, FS_BROKEN_CONNECTION0x04); |
| 3360 | _fs_check_reconnect (conn); |
| 3361 | } |
| 3362 | |
| 3363 | |
| 3364 | static FSFpePtr |
| 3365 | _fs_init_conn (const char *servername) |
| 3366 | { |
| 3367 | FSFpePtr conn; |
| 3368 | |
| 3369 | conn = calloc (1, sizeof (FSFpeRec) + strlen (servername) + 1); |
| 3370 | if (!conn) |
| 3371 | return 0; |
| 3372 | if (!_fs_io_init (conn)) |
| 3373 | { |
| 3374 | free (conn); |
| 3375 | return 0; |
| 3376 | } |
| 3377 | conn->servername = (char *) (conn + 1); |
| 3378 | conn->fs_conn_state = FS_CONN_UNCONNECTED0; |
| 3379 | conn->fs_fd = -1; |
| 3380 | strcpy (conn->servername, servername)__builtin___strcpy_chk (conn->servername, servername, __builtin_object_size (conn->servername, 2 > 1 ? 1 : 0)); |
| 3381 | return conn; |
| 3382 | } |
| 3383 | |
| 3384 | static void |
| 3385 | _fs_free_conn (FSFpePtr conn) |
| 3386 | { |
| 3387 | _fs_close_server (conn); |
| 3388 | _fs_io_fini (conn); |
| 3389 | if (conn->alts) |
| 3390 | free (conn->alts); |
| 3391 | free (conn); |
| 3392 | } |
| 3393 | |
| 3394 | /* |
| 3395 | * called at server init time |
| 3396 | */ |
| 3397 | |
| 3398 | void |
| 3399 | fs_register_fpe_functions(void) |
| 3400 | { |
| 3401 | RegisterFPEFunctions(fs_name_check, |
| 3402 | fs_init_fpe, |
| 3403 | fs_free_fpe, |
| 3404 | fs_reset_fpe, |
| 3405 | fs_open_font, |
| 3406 | fs_close_font, |
| 3407 | fs_list_fonts, |
| 3408 | fs_start_list_with_info, |
| 3409 | fs_next_list_with_info, |
| 3410 | fs_wakeup, |
| 3411 | fs_client_died, |
| 3412 | _fs_load_glyphs, |
| 3413 | NULL((void*)0), |
| 3414 | NULL((void*)0), |
| 3415 | NULL((void*)0)); |
| 3416 | } |