1 /*
2 * Copyright (C) 2016 The Android Open Source Project
3 * Copyright (C) 2016 Mopria Alliance, Inc.
4 * Copyright (C) 2013 Hewlett-Packard Development Company, L.P.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 #include "ipp_print.h"
20 #include <math.h>
21 #include "ipphelper.h"
22 #include "wprint_debug.h"
23
24 #include "plugins/media.h"
25
26 #define TAG "ipp_print"
27
28 static status_t _init(const ifc_print_job_t *this_p, const char *printer_address, int port,
29 const char *printer_uri, bool use_secure_uri);
30
31 static status_t _validate_job(const ifc_print_job_t *this_p, wprint_job_params_t *job_params);
32
33 static status_t _start_job(const ifc_print_job_t *this_p, const wprint_job_params_t *job_params);
34
35 static int _send_data(const ifc_print_job_t *this_p, const char *buffer, size_t length);
36
37 static status_t _end_job(const ifc_print_job_t *this_p);
38
39 static void _destroy(const ifc_print_job_t *this_p);
40
41 static const ifc_print_job_t _print_job_ifc = {
42 .init = _init, .validate_job = _validate_job, .start_job = _start_job,
43 .send_data = _send_data, .end_job = _end_job, .destroy = _destroy, .enable_timeout = NULL,
44 };
45
46 /*
47 * Struct for handling an ipp print job
48 */
49 typedef struct {
50 http_t *http;
51 char printer_uri[1024];
52 char http_resource[1024];
53 http_status_t status;
54 ifc_print_job_t ifc;
55 const char *useragent;
56 } ipp_print_job_t;
57
58 /*
59 * Returns a print job handle for an ipp print job
60 */
ipp_get_print_ifc(const ifc_wprint_t * wprint_ifc)61 const ifc_print_job_t *ipp_get_print_ifc(const ifc_wprint_t *wprint_ifc) {
62 LOGD("ipp_get_print_ifc: Enter");
63 ipp_print_job_t *ipp_job = (ipp_print_job_t *) malloc(sizeof(ipp_print_job_t));
64
65 if (ipp_job == NULL) {
66 return NULL;
67 }
68
69 memset(ipp_job, 0, sizeof(ipp_print_job_t));
70 ipp_job->status = HTTP_CONTINUE;
71
72 memcpy(&ipp_job->ifc, &_print_job_ifc, sizeof(ifc_print_job_t));
73
74 return &ipp_job->ifc;
75 }
76
_init(const ifc_print_job_t * this_p,const char * printer_address,int port,const char * printer_uri,bool use_secure_uri)77 static status_t _init(const ifc_print_job_t *this_p, const char *printer_address, int port,
78 const char *printer_uri, bool use_secure_uri) {
79 LOGD("_init: Enter");
80 ipp_print_job_t *ipp_job;
81 const char *ipp_scheme;
82
83 if (this_p == NULL) {
84 return ERROR;
85 }
86
87 ipp_job = IMPL(ipp_print_job_t, ifc, this_p);
88 if (ipp_job->http != NULL) {
89 httpClose(ipp_job->http);
90 }
91
92 if ((printer_uri == NULL) || (strlen(printer_uri) == 0)) {
93 printer_uri = DEFAULT_IPP_URI_RESOURCE;
94 }
95
96 int ippPortNumber = ((port == IPP_PORT) ? ippPort() : port);
97 LOGD("Normal URI for %s:%d", printer_address, ippPortNumber);
98 ipp_scheme = (use_secure_uri) ? IPPS_PREFIX : IPP_PREFIX;
99
100 httpAssembleURIf(HTTP_URI_CODING_ALL, ipp_job->printer_uri, sizeof(ipp_job->printer_uri),
101 ipp_scheme, NULL, printer_address, ippPortNumber, printer_uri);
102 getResourceFromURI(ipp_job->printer_uri, ipp_job->http_resource, 1024);
103 if (use_secure_uri) {
104 ipp_job->http = httpConnectEncrypt(printer_address, ippPortNumber, HTTP_ENCRYPTION_ALWAYS);
105
106 // If ALWAYS doesn't work, fall back to REQUIRED
107 if (ipp_job->http == NULL) {
108 ipp_job->http = httpConnectEncrypt(printer_address, ippPortNumber, HTTP_ENCRYPT_REQUIRED);
109 }
110 } else {
111 ipp_job->http = httpConnectEncrypt(printer_address, ippPortNumber, HTTP_ENCRYPTION_IF_REQUESTED);
112 }
113
114 httpSetTimeout(ipp_job->http, DEFAULT_IPP_TIMEOUT, NULL, 0);
115
116 return OK;
117 }
118
_destroy(const ifc_print_job_t * this_p)119 static void _destroy(const ifc_print_job_t *this_p) {
120 LOGD("_destroy: Enter");
121 ipp_print_job_t *ipp_job;
122 if (this_p == NULL) {
123 return;
124 }
125
126 ipp_job = IMPL(ipp_print_job_t, ifc, this_p);
127 if (ipp_job->http != NULL) {
128 httpClose(ipp_job->http);
129 }
130
131 free(ipp_job);
132 }
133
134 /*
135 * Outputs width, height, and name for a given media size
136 */
_get_pwg_media_size(media_size_t media_size,float * mediaWidth,float * mediaHeight,const char ** mediaSizeName)137 static void _get_pwg_media_size(media_size_t media_size, float *mediaWidth, float *mediaHeight,
138 const char **mediaSizeName) {
139 int i = 0;
140
141 for (i = 0; i < SUPPORTED_MEDIA_SIZE_COUNT; i++) {
142 if (media_size == SupportedMediaSizes[i].media_size) {
143 // Get the dimensions in 100 mm
144 if ((SupportedMediaSizes[i].WidthInMm == UNKNOWN_VALUE) ||
145 (SupportedMediaSizes[i].HeightInMm == UNKNOWN_VALUE)) {
146 *mediaWidth = floorf(_MI_TO_100MM(SupportedMediaSizes[i].WidthInInches));
147 *mediaHeight = floorf(_MI_TO_100MM(SupportedMediaSizes[i].HeightInInches));
148 } else {
149 *mediaWidth = SupportedMediaSizes[i].WidthInMm * 100;
150 *mediaHeight = SupportedMediaSizes[i].HeightInMm * 100;
151 }
152 *mediaSizeName = (char *) SupportedMediaSizes[i].PWGName;
153
154 LOGD("_get_pwg_media_size(): match found: %d, %s, width=%f, height=%f",
155 media_size, SupportedMediaSizes[i].PCL6Name, *mediaWidth, *mediaHeight);
156 break; // we found a match, so break out of loop
157 }
158 }
159
160 if (i == SUPPORTED_MEDIA_SIZE_COUNT) {
161 // media size not found, defaulting to letter
162 LOGD("_get_pwg_media_size(): media size, %d, NOT FOUND, setting to letter", media_size);
163 _get_pwg_media_size(US_LETTER, mediaWidth, mediaHeight, mediaSizeName);
164 }
165 }
166
167 /*
168 * Fills and returns an ipp request object with the given job parameters
169 */
_fill_job(int ipp_op,char * printer_uri,const wprint_job_params_t * job_params)170 static ipp_t *_fill_job(int ipp_op, char *printer_uri, const wprint_job_params_t *job_params) {
171 LOGD("_fill_job: Enter");
172 ipp_t *request = NULL; // IPP request object
173 ipp_attribute_t *attrptr; // Attribute pointer
174 ipp_t *col[2];
175 int col_index = -1;
176
177 if (job_params == NULL) return NULL;
178
179 request = ippNewRequest(ipp_op);
180 if (request == NULL) {
181 return request;
182 }
183
184 if (set_ipp_version(request, printer_uri, NULL, IPP_VERSION_RESOLVED) != 0) {
185 ippDelete(request);
186 return NULL;
187 }
188 bool is_2_0_capable = job_params->ipp_2_0_supported;
189 bool is_ePCL_ipp_capable = job_params->epcl_ipp_supported;
190
191 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL,
192 printer_uri);
193
194 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL,
195 job_params->job_originating_user_name);
196 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL, job_params->job_name);
197
198 // Fields for Document source application and source OS
199 bool is_doc_format_details_supported = (
200 job_params->accepts_app_name ||
201 job_params->accepts_app_version ||
202 job_params->accepts_os_name ||
203 job_params->accepts_os_version);
204
205 if (is_doc_format_details_supported) {
206 ipp_t *document_format_details = ippNew();
207 if (job_params->accepts_app_name) {
208 ippAddString(document_format_details, IPP_TAG_OPERATION, IPP_TAG_NAME,
209 "document-source-application-name", NULL, g_appName);
210 }
211 if (job_params->accepts_app_version) {
212 ippAddString(document_format_details, IPP_TAG_OPERATION, IPP_TAG_TEXT,
213 "document-source-application-version", NULL, g_appVersion);
214 }
215 if (job_params->accepts_os_name) {
216 ippAddString(document_format_details, IPP_TAG_OPERATION, IPP_TAG_NAME,
217 "document-source-os-name", NULL, g_osName);
218 }
219 if (job_params->accepts_os_version) {
220 char version[40];
221 sprintf(version, "%d", g_API_version);
222 ippAddString(document_format_details, IPP_TAG_OPERATION, IPP_TAG_TEXT,
223 "document-source-os-version", NULL, version);
224 }
225
226 ippAddCollection(request, IPP_TAG_OPERATION, "document-format-details",
227 document_format_details);
228 ippDelete(document_format_details);
229 }
230
231 LOGD("_fill_job: pcl_type(%d), print_format(%s)", job_params->pcl_type,
232 job_params->print_format);
233 if (strcmp(job_params->print_format, PRINT_FORMAT_PDF) == 0) {
234 if (is_2_0_capable) {
235 // document-format needs to be the very next attribute for some printers
236 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format", NULL,
237 PRINT_FORMAT_PDF);
238 LOGD("_fill_job: setting document-format: %s", PRINT_FORMAT_PDF);
239 } else {
240 // some earlier devices don't print pdfs when we send the other PRINT_FORMAT_PDF
241 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format", NULL,
242 (job_params->accepts_pclm ? PRINT_FORMAT_PCLM : PRINT_FORMAT_PDF));
243 LOGD("_fill_job: setting document-format: %s",
244 (job_params->accepts_pclm ? PRINT_FORMAT_PCLM : PRINT_FORMAT_PDF));
245 }
246
247 if (is_ePCL_ipp_capable) {
248 if (job_params->render_flags & RENDER_FLAG_AUTO_SCALE) {
249 ippAddBoolean(request, IPP_TAG_JOB, "pdf-fit-to-page", 1); // true
250 }
251 }
252
253 // Fix Orientation bug for PDF printers only.
254 if (job_params->render_flags & RENDER_FLAG_PORTRAIT_MODE) {
255 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "orientation-requested",
256 IPP_PRINT_ORIENTATION_PORTRAIT);
257 }
258 if (job_params->render_flags & RENDER_FLAG_LANDSCAPE_MODE) {
259 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "orientation-requested",
260 IPP_PRINT_ORIENTATION_LANDSCAPE);
261 }
262 } else {
263 switch (job_params->pcl_type) {
264 case PCLm:
265 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format", NULL,
266 PRINT_FORMAT_PCLM);
267 LOGD("_fill_job: setting document-format: %s", PRINT_FORMAT_PCLM);
268 if (is_ePCL_ipp_capable) {
269 ippAddResolution(request, IPP_TAG_JOB, "pclm-source-resolution",
270 IPP_RES_PER_INCH, job_params->pixel_units,
271 job_params->pixel_units);
272 }
273 break;
274 case PCLPWG:
275 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format", NULL,
276 PRINT_FORMAT_PWG);
277 LOGD("_fill_job: setting document-format: %s", PRINT_FORMAT_PWG);
278 break;
279 default:
280 LOGD("_fill_job: unrecognized pcl_type: %d", job_params->pcl_type);
281 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format", NULL,
282 PRINT_FORMAT_AUTO);
283 break;
284 }
285
286 if (is_ePCL_ipp_capable) {
287 ippAddBoolean(request, IPP_TAG_JOB, "margins-pre-applied", 1); // true
288 }
289 }
290
291 // Add copies support if required and allowed
292 if (job_params->copies_supported && (strcmp(job_params->print_format, PRINT_FORMAT_PDF) == 0)) {
293 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_INTEGER, "copies", job_params->num_copies);
294 }
295
296 ippAddResolution(request, IPP_TAG_JOB, "printer-resolution", IPP_RES_PER_INCH,
297 job_params->pixel_units, job_params->pixel_units);
298 if (job_params->duplex == DUPLEX_MODE_BOOK) {
299 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, IPP_SIDES_TAG, NULL,
300 IPP_SIDES_TWO_SIDED_LONG_EDGE);
301 } else if (job_params->duplex == DUPLEX_MODE_TABLET) {
302 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, IPP_SIDES_TAG, NULL,
303 IPP_SIDES_TWO_SIDED_SHORT_EDGE);
304 } else {
305 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, IPP_SIDES_TAG, NULL,
306 IPP_SIDES_ONE_SIDED);
307 }
308
309 if (job_params->color_space == COLOR_SPACE_MONO) {
310 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, IPP_OUTPUT_MODE_TAG, NULL,
311 IPP_OUTPUT_MODE_MONO);
312 } else {
313 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, IPP_OUTPUT_MODE_TAG, NULL,
314 IPP_OUTPUT_MODE_COLOR);
315 }
316
317 if (is_2_0_capable) {
318 // Not friendly to 1.1 devices.
319 if (job_params->media_tray != TRAY_SRC_AUTO_SELECT) {
320 if (job_params->media_tray == TRAY_SOURCE_PHOTO_TRAY) {
321 col[++col_index] = ippNew();
322 ippAddString(col[col_index], IPP_TAG_JOB, IPP_TAG_KEYWORD, "media-source", NULL,
323 "main-tray");
324 } else if (job_params->media_tray == TRAY_SOURCE_TRAY_1) {
325 col[++col_index] = ippNew();
326 ippAddString(col[col_index], IPP_TAG_JOB, IPP_TAG_KEYWORD, "media-source", NULL,
327 "main-tray");
328 }
329 }
330
331 // MEDIA-Type is IPP 2.0 only
332 // put margins in with media-type
333 // Client-Error-Attribute-Or-Values-Not-Supported
334 col[++col_index] = ippNew();
335
336 // set margins - if negative margins, set to full-bleed; otherwise set calculated values
337 if (job_params->borderless) {
338 LOGD("Setting Up BORDERLESS");
339 ippAddInteger(col[col_index], IPP_TAG_JOB, IPP_TAG_INTEGER, "media-bottom-margin", 0);
340 ippAddInteger(col[col_index], IPP_TAG_JOB, IPP_TAG_INTEGER, "media-top-margin", 0);
341 ippAddInteger(col[col_index], IPP_TAG_JOB, IPP_TAG_INTEGER, "media-left-margin", 0);
342 ippAddInteger(col[col_index], IPP_TAG_JOB, IPP_TAG_INTEGER, "media-right-margin", 0);
343 }
344
345 switch (job_params->media_type) {
346 case MEDIA_PHOTO_GLOSSY:
347 ippAddString(col[col_index], IPP_TAG_JOB, IPP_TAG_KEYWORD, "media-type", NULL,
348 "photographic-glossy");
349 break;
350 case MEDIA_PHOTO:
351 case MEDIA_ADVANCED_PHOTO:
352 case MEDIA_PHOTO_MATTE:
353 case MEDIA_PREMIUM_PHOTO:
354 case MEDIA_OTHER_PHOTO:
355 ippAddString(col[col_index], IPP_TAG_JOB, IPP_TAG_KEYWORD, "media-type", NULL,
356 "photographic");
357 break;
358 default:
359 ippAddString(col[col_index], IPP_TAG_JOB, IPP_TAG_KEYWORD, "media-type", NULL,
360 "stationery");
361 break;
362 }
363
364 float mediaWidth;
365 float mediaHeight;
366 const char *mediaSizeName = NULL;
367 _get_pwg_media_size(job_params->media_size, &mediaWidth, &mediaHeight, &mediaSizeName);
368 ipp_t *mediaSize = ippNew();
369
370 if ((job_params->media_size_name) && (mediaSizeName != NULL)) {
371 ippAddString(mediaSize, IPP_TAG_JOB, IPP_TAG_KEYWORD, "media-size-name", NULL,
372 mediaSizeName);
373 } else {
374 ippAddInteger(mediaSize, IPP_TAG_JOB, IPP_TAG_INTEGER, "x-dimension", (int) mediaWidth);
375 ippAddInteger(mediaSize, IPP_TAG_JOB, IPP_TAG_INTEGER, "y-dimension",
376 (int) mediaHeight);
377 }
378 ippAddCollection(col[col_index], IPP_TAG_JOB, "media-size", mediaSize);
379
380 // can either set media or media-col.
381 // if both sent, device should return client-error-bad-request
382 ippAddCollections(request, IPP_TAG_JOB, "media-col", col_index + 1, (const ipp_t **) col);
383 while (col_index >= 0) {
384 ippDelete(col[col_index--]);
385 }
386 } else {
387 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "media", NULL,
388 mapDFMediaToIPPKeyword(job_params->media_size));
389 }
390
391 LOGI("_fill_job (%d): request", ipp_op);
392 for (attrptr = ippFirstAttribute(request); attrptr; attrptr = ippNextAttribute(request)) {
393 print_attr(attrptr);
394 }
395
396 return request;
397 }
398
_validate_job(const ifc_print_job_t * this_p,wprint_job_params_t * job_params)399 static status_t _validate_job(const ifc_print_job_t *this_p, wprint_job_params_t *job_params) {
400 LOGD("_validate_job: Enter");
401 status_t result = ERROR;
402 ipp_print_job_t *ipp_job;
403 ipp_t *response;
404 ipp_t *request = NULL;
405 ipp_status_t ipp_status;
406
407 LOGD("_validate_job: ** validatePrintJob: Entry");
408 do {
409 if (this_p == NULL) {
410 break;
411 }
412
413 if (job_params == NULL) {
414 break;
415 }
416
417 ipp_job = IMPL(ipp_print_job_t, ifc, this_p);
418 if (ipp_job->http == NULL) {
419 break;
420 }
421
422 ipp_job->useragent = NULL;
423 if ((job_params->useragent != NULL) && (strlen(job_params->useragent) > 0)) {
424 ipp_job->useragent = job_params->useragent;
425 }
426
427 request = _fill_job(IPP_VALIDATE_JOB, ipp_job->printer_uri, job_params);
428
429 if (ipp_job->useragent != NULL) {
430 httpSetDefaultField(ipp_job->http, HTTP_FIELD_USER_AGENT, ipp_job->useragent);
431 }
432 if ((response = ipp_doCupsRequest(ipp_job->http, request, ipp_job->http_resource,
433 ipp_job->printer_uri))
434 == NULL) {
435 ipp_status = cupsLastError();
436 LOGE("_validate_job: validatePrintJob: response is null: ipp_status %d %s",
437 ipp_status, ippErrorString(ipp_status));
438 } else {
439 ipp_status = cupsLastError();
440 LOGI("_validate_job: %s ipp_status %d %x received:", ippOpString(IPP_VALIDATE_JOB),
441 ipp_status, ipp_status);
442 ipp_attribute_t *attrptr;
443 for (attrptr = ippFirstAttribute(response); attrptr; attrptr = ippNextAttribute(
444 response)) {
445 print_attr(attrptr);
446 }
447
448 ippDelete(response);
449 }
450
451 LOGD("_validate_job : ipp_status: %d", ipp_status);
452 if (strncmp(ippErrorString(ipp_status), ippErrorString(IPP_OK),
453 strlen(ippErrorString(IPP_OK))) == 0) {
454 result = OK;
455 } else {
456 result = ERROR;
457 }
458 } while (0);
459
460 ippDelete(request);
461
462 LOGD("_validate_job: ** validate_job result: %d", result);
463
464 return result;
465 }
466
_start_job(const ifc_print_job_t * this_p,const wprint_job_params_t * job_params)467 static status_t _start_job(const ifc_print_job_t *this_p, const wprint_job_params_t *job_params) {
468 LOGD("_start_job: Enter");
469 status_t result;
470 ipp_print_job_t *ipp_job;
471 ipp_t *request = NULL;
472 bool retry;
473 int failed_count = 0;
474
475 LOGD("_start_job entry");
476 do {
477 retry = false;
478 if (this_p == NULL) {
479 LOGE("_start_job; this_p == NULL");
480 continue;
481 }
482
483 ipp_job = IMPL(ipp_print_job_t, ifc, this_p);
484
485 ipp_job->useragent = NULL;
486 if ((job_params->useragent != NULL) && (strlen(job_params->useragent) > 0)) {
487 ipp_job->useragent = job_params->useragent;
488 }
489 request = _fill_job(IPP_PRINT_JOB, ipp_job->printer_uri, job_params);
490
491 if (request == NULL) {
492 continue;
493 }
494
495 if (ipp_job->useragent != NULL) {
496 httpSetDefaultField(ipp_job->http, HTTP_FIELD_USER_AGENT, ipp_job->useragent);
497 }
498 ipp_job->status = cupsSendRequest(ipp_job->http, request, ipp_job->http_resource, 0);
499 if (ipp_job->status != HTTP_CONTINUE) {
500 failed_count++;
501 if ((failed_count == 1) &&
502 ((ipp_job->status == HTTP_ERROR) || (ipp_job->status >= HTTP_BAD_REQUEST))) {
503 retry = true;
504 LOGI("_start_job retry due to internal error");
505 // We will retry for one of these failures since we could have just
506 // lost our connection to the server and cups will not always attempt
507 // a reconnect for us.
508 ippDelete(request);
509 continue;
510 }
511
512 _cupsSetHTTPError(ipp_job->status);
513 }
514 ippDelete(request);
515 LOGI("_start_job httpPrint fd %d status %d ipp_status %d", ipp_job->http->fd,
516 ipp_job->status, cupsLastError());
517
518 result = ((ipp_job->status == HTTP_CONTINUE) ? OK : ERROR);
519 } while (retry);
520
521 return result;
522 }
523
_send_data(const ifc_print_job_t * this_p,const char * buffer,size_t length)524 static int _send_data(const ifc_print_job_t *this_p, const char *buffer, size_t length) {
525 ipp_print_job_t *ipp_job;
526 if (this_p == NULL) {
527 return ERROR;
528 }
529
530 ipp_job = IMPL(ipp_print_job_t, ifc, this_p);
531 if (ipp_job->http == NULL) {
532 return ERROR;
533 }
534
535 if (ipp_job->status != HTTP_CONTINUE) {
536 return ERROR;
537 }
538
539 if (length != 0) {
540 if (ipp_job->useragent != NULL) {
541 httpSetDefaultField(ipp_job->http, HTTP_FIELD_USER_AGENT, ipp_job->useragent);
542 }
543 ipp_job->status = cupsWriteRequestData(ipp_job->http, buffer, length);
544 }
545 return ((ipp_job->status == HTTP_CONTINUE) ? length : (int) ERROR);
546 }
547
_end_job(const ifc_print_job_t * this_p)548 static status_t _end_job(const ifc_print_job_t *this_p) {
549 LOGD("_end_job: Enter");
550 status_t result = ERROR;
551 ipp_t *response;
552 ipp_attribute_t *attrptr;
553 int op = IPP_PRINT_JOB;
554 ipp_print_job_t *ipp_job;
555 int job_id = -1;
556
557 char buffer[1024];
558
559 if (this_p == NULL) {
560 return result;
561 }
562
563 ipp_job = IMPL(ipp_print_job_t, ifc, this_p);
564
565 if (ipp_job->http == NULL) {
566 return result;
567 }
568
569 LOGD("_end_job: entry httpPrint %d", ipp_job->http->fd);
570
571 if (ipp_job->useragent != NULL) {
572 httpSetDefaultField(ipp_job->http, HTTP_FIELD_USER_AGENT, ipp_job->useragent);
573 }
574 ipp_job->status = cupsWriteRequestData(ipp_job->http, buffer, 0);
575
576 if (ipp_job->status != HTTP_CONTINUE) {
577 LOGE("Error: from cupsWriteRequestData http.fd %d: status %d",
578 ipp_job->http->fd, ipp_job->status);
579 } else {
580 result = OK;
581 LOGD("0 length Bytes sent, status %d", ipp_job->status);
582 response = cupsGetResponse(ipp_job->http, ipp_job->http_resource);
583
584 if ((attrptr = ippFindAttribute(response, "job-id", IPP_TAG_INTEGER)) == NULL) {
585 LOGE("sent cupsGetResponse %s job id is null; received", ippOpString(op));
586 } else {
587 job_id = ippGetInteger(attrptr, 0);
588 LOGI("sent cupsGetResponse %s job_id %d; received", ippOpString(op), job_id);
589 }
590
591 if (response != NULL) {
592 for (attrptr = ippFirstAttribute(response); attrptr; attrptr = ippNextAttribute(
593 response)) {
594 print_attr(attrptr);
595 if (strcmp(ippGetName(attrptr), "job-state-reasons") == 0) {
596 int i;
597 for (i = 0; i < ippGetCount(attrptr); i++) {
598 if (strcmp(ippGetString(attrptr, i, NULL), "job-canceled-at-device")
599 == 0) {
600 result = CANCELLED;
601 break;
602 }
603 }
604 }
605 }
606 ippDelete(response);
607 }
608 }
609 LOGD("_end_job: exit status %d job_id %d", ipp_job->status, job_id);
610
611 return result;
612 }