1 //******************************************************************
3 // Copyright 2015 Intel Mobile Communications GmbH All Rights Reserved.
5 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
7 // Licensed under the Apache License, Version 2.0 (the "License");
8 // you may not use this file except in compliance with the License.
9 // You may obtain a copy of the License at
11 // http://www.apache.org/licenses/LICENSE-2.0
13 // Unless required by applicable law or agreed to in writing, software
14 // distributed under the License is distributed on an "AS IS" BASIS,
15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 // See the License for the specific language governing permissions and
17 // limitations under the License.
19 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
22 #define __STDC_LIMIT_MACROS
25 #include "ocpayloadcbor.h"
26 #include "platform_features.h"
28 #include "oic_malloc.h"
29 #include "oic_string.h"
31 #include "ocpayload.h"
33 #include "ocresourcehandler.h"
36 #define TAG "OIC_RI_PAYLOADCONVERT"
38 // Arbitrarily chosen size that seems to contain the majority of packages
39 #define INIT_SIZE (255)
41 // Discovery Links Map Length.
42 #define LINKS_MAP_LEN 4
44 // Functions all return either a CborError, or a negative version of the OC_STACK return values
45 static int64_t OCConvertPayloadHelper(OCPayload *payload, uint8_t *outPayload, size_t *size);
46 static int64_t OCConvertDiscoveryPayload(OCDiscoveryPayload *payload, uint8_t *outPayload,
48 static int64_t OCConvertRepPayload(OCRepPayload *payload, uint8_t *outPayload, size_t *size);
49 static int64_t OCConvertRepMap(CborEncoder *map, const OCRepPayload *payload);
51 static int64_t OCConvertPresencePayload(OCPresencePayload *payload, uint8_t *outPayload,
54 static int64_t OCConvertSecurityPayload(OCSecurityPayload *payload, uint8_t *outPayload,
56 static int64_t OCConvertSingleRepPayload(CborEncoder *parent, const OCRepPayload *payload);
57 static int64_t OCConvertArray(CborEncoder *parent, const OCRepPayloadValueArray *valArray);
59 static int64_t AddTextStringToMap(CborEncoder *map, const char *key, size_t keylen,
61 static int64_t ConditionalAddTextStringToMap(CborEncoder *map, const char *key, size_t keylen,
64 OCStackResult OCConvertPayload(OCPayload* payload, uint8_t** outPayload, size_t* size)
66 // TinyCbor Version 47a78569c0 or better on master is required for the re-allocation
67 // strategy to work. If you receive the following assertion error, please do a git-pull
68 // from the extlibs/tinycbor/tinycbor directory
69 #define CborNeedsUpdating (((unsigned int)CborErrorOutOfMemory) < ((unsigned int)CborErrorDataTooLarge))
70 OC_STATIC_ASSERT(!CborNeedsUpdating, "tinycbor needs to be updated to at least 47a78569c0");
71 #undef CborNeedsUpdating
73 OCStackResult ret = OC_STACK_INVALID_PARAM;
76 size_t curSize = INIT_SIZE;
78 VERIFY_PARAM_NON_NULL(TAG, payload, "Input param, payload is NULL");
79 VERIFY_PARAM_NON_NULL(TAG, outPayload, "OutPayload parameter is NULL");
80 VERIFY_PARAM_NON_NULL(TAG, size, "size parameter is NULL");
82 OIC_LOG_V(INFO, TAG, "Converting payload of type %d", payload->type);
83 if (PAYLOAD_TYPE_SECURITY == payload->type)
85 size_t securityPayloadSize = ((OCSecurityPayload *)payload)->payloadSize;
86 if (securityPayloadSize > 0)
88 out = (uint8_t *)OICCalloc(1, ((OCSecurityPayload *)payload)->payloadSize);
89 VERIFY_PARAM_NON_NULL(TAG, out, "Failed to allocate security payload");
94 out = (uint8_t *)OICCalloc(1, curSize);
95 VERIFY_PARAM_NON_NULL(TAG, out, "Failed to allocate payload");
97 err = OCConvertPayloadHelper(payload, out, &curSize);
98 ret = OC_STACK_NO_MEMORY;
100 if (err == CborErrorOutOfMemory)
102 // reallocate "out" and try again!
103 uint8_t *out2 = (uint8_t *)OICRealloc(out, curSize);
104 VERIFY_PARAM_NON_NULL(TAG, out2, "Failed to increase payload size");
105 memset(out2, 0, curSize);
107 err = OCConvertPayloadHelper(payload, out, &curSize);
108 while (err == CborErrorOutOfMemory)
110 uint8_t *out2 = (uint8_t *)OICRealloc(out, curSize);
111 VERIFY_PARAM_NON_NULL(TAG, out2, "Failed to increase payload size");
112 memset(out2, 0, curSize);
114 err = OCConvertPayloadHelper(payload, out, &curSize);
118 if (err == CborNoError)
120 if (curSize < INIT_SIZE && PAYLOAD_TYPE_SECURITY != payload->type)
122 uint8_t *out2 = (uint8_t *)OICRealloc(out, curSize);
123 VERIFY_PARAM_NON_NULL(TAG, out2, "Failed to increase payload size");
129 OIC_LOG_V(DEBUG, TAG, "Payload Size: %zd Payload : ", *size);
130 OIC_LOG_BUFFER(DEBUG, TAG, *outPayload, *size);
134 //TODO: Proper conversion from CborError to OCStackResult.
135 ret = (OCStackResult)-err;
142 static int64_t OCConvertPayloadHelper(OCPayload* payload, uint8_t* outPayload, size_t* size)
144 switch(payload->type)
146 case PAYLOAD_TYPE_DISCOVERY:
147 return OCConvertDiscoveryPayload((OCDiscoveryPayload*)payload, outPayload, size);
148 case PAYLOAD_TYPE_REPRESENTATION:
149 return OCConvertRepPayload((OCRepPayload*)payload, outPayload, size);
151 case PAYLOAD_TYPE_PRESENCE:
152 return OCConvertPresencePayload((OCPresencePayload*)payload, outPayload, size);
154 case PAYLOAD_TYPE_SECURITY:
155 return OCConvertSecurityPayload((OCSecurityPayload*)payload, outPayload, size);
157 OIC_LOG_V(INFO,TAG, "ConvertPayload default %d", payload->type);
158 return CborErrorUnknownType;
162 static int64_t checkError(int64_t err, CborEncoder* encoder, uint8_t* outPayload, size_t* size)
164 if (err == CborErrorOutOfMemory)
166 *size += cbor_encoder_get_extra_bytes_needed(encoder);
169 else if (err != CborNoError)
171 OIC_LOG_V(ERROR, TAG, "Convert Payload failed : %s", cbor_error_string(err));
176 *size = cbor_encoder_get_buffer_size(encoder, outPayload);
181 static int64_t OCConvertSecurityPayload(OCSecurityPayload* payload, uint8_t* outPayload,
184 memcpy(outPayload, payload->securityData, payload->payloadSize);
185 *size = payload->payloadSize;
190 static int64_t OCStringLLJoin(CborEncoder *map, char *type, OCStringLL *val)
193 int64_t err = CborNoError;
195 for (OCStringLL *temp = val; temp; temp = temp->next)
202 err |= cbor_encode_text_string(map, type, strlen(type));
203 err |= cbor_encoder_create_array(map, &array, count);
206 err |= cbor_encode_text_string(&array, val->value, strlen(val->value));
209 err |= cbor_encoder_close_container(map, &array);
215 static int64_t OCConvertDiscoveryPayload(OCDiscoveryPayload *payload, uint8_t *outPayload,
219 int64_t err = CborNoError;
221 cbor_encoder_init(&encoder, outPayload, *size, 0);
224 The format for the payload is "modelled" as JSON.
228 "di" : UUID, // device ID
231 "if":"oic.if.ll oic.if.baseline"
232 "di": "0685B960-736F-46F7-BEC0-9E6CBD61ADC1",
233 links :[ // linksArray contains maps of resources
235 href, rt, if, policy // Resource 1
238 href, rt, if, policy // Resource 2
251 // Open the main root array
252 CborEncoder rootArray;
253 err |= cbor_encoder_create_array(&encoder, &rootArray, 1);
254 VERIFY_CBOR_SUCCESS(TAG, err, "Failed creating discovery root array");
256 while (payload && payload->resources)
258 // Open the root map in the root array
260 err |= cbor_encoder_create_map(&rootArray, &rootMap, CborIndefiniteLength);
261 VERIFY_CBOR_SUCCESS(TAG, err, "Failed creating discovery map");
264 err |= ConditionalAddTextStringToMap(&rootMap, OC_RSRVD_DEVICE_NAME,
265 sizeof(OC_RSRVD_DEVICE_NAME) - 1, payload->name);
266 VERIFY_CBOR_SUCCESS(TAG, err, "Failed setting name");
268 // Insert Device ID into the root map
269 err |= AddTextStringToMap(&rootMap, OC_RSRVD_DEVICE_ID, sizeof(OC_RSRVD_DEVICE_ID) - 1,
271 VERIFY_CBOR_SUCCESS(TAG, err, "Failed setting device id");
273 // Insert Resource Type
274 err |= OCStringLLJoin(&rootMap, OC_RSRVD_RESOURCE_TYPE, payload->type);
275 VERIFY_CBOR_SUCCESS(TAG, err, "Failed setting RT");
280 err |= OCStringLLJoin(&rootMap, OC_RSRVD_INTERFACE, payload->iface);
281 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding interface types tag/value");
284 // Insert baseURI if present
285 err |= ConditionalAddTextStringToMap(&rootMap, OC_RSRVD_BASE_URI,
286 sizeof(OC_RSRVD_BASE_URI) - 1,
288 VERIFY_CBOR_SUCCESS(TAG, err, "Failed setting baseURI");
290 // Insert Links into the root map.
291 CborEncoder linkArray;
292 err |= cbor_encode_text_string(&rootMap, OC_RSRVD_LINKS, sizeof(OC_RSRVD_LINKS) - 1);
293 VERIFY_CBOR_SUCCESS(TAG, err, "Failed setting links array tag");
294 size_t resourceCount = OCDiscoveryPayloadGetResourceCount(payload);
295 err |= cbor_encoder_create_array(&rootMap, &linkArray, resourceCount);
296 VERIFY_CBOR_SUCCESS(TAG, err, "Failed setting links array");
298 for (size_t i = 0; i < resourceCount; ++i)
301 OCResourcePayload *resource = OCDiscoveryPayloadGetResource(payload, i);
302 VERIFY_PARAM_NON_NULL(TAG, resource, "Failed retrieving resource");
304 // resource map inside the links array.
305 err |= cbor_encoder_create_map(&linkArray, &linkMap, LINKS_MAP_LEN);
306 VERIFY_CBOR_SUCCESS(TAG, err, "Failed creating links map");
308 // Below are insertions of the resource properties into the map.
310 err |= AddTextStringToMap(&linkMap, OC_RSRVD_HREF, sizeof(OC_RSRVD_HREF) - 1,
312 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding uri to links map");
317 err |= OCStringLLJoin(&linkMap, OC_RSRVD_RESOURCE_TYPE, resource->types);
318 VERIFY_CBOR_SUCCESS(TAG, err,
319 "Failed adding resourceType tag/value to links map");
322 if (resource->interfaces)
324 err |= OCStringLLJoin(&linkMap, OC_RSRVD_INTERFACE, resource->interfaces);
325 VERIFY_CBOR_SUCCESS(TAG, err,
326 "Failed adding interfaces tag/value to links map");
330 CborEncoder policyMap;
331 err |= cbor_encode_text_string(&linkMap, OC_RSRVD_POLICY,
332 sizeof(OC_RSRVD_POLICY) - 1);
333 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding policy tag to links map");
334 err |= cbor_encoder_create_map(&linkMap, &policyMap, CborIndefiniteLength);
335 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding policy map to links map");
338 err |= cbor_encode_text_string(&policyMap, OC_RSRVD_BITMAP,
339 sizeof(OC_RSRVD_BITMAP) - 1);
340 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding bitmap tag to policy map");
341 err |= cbor_encode_uint(&policyMap, resource->bitmap);
342 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding bitmap value to policy map");
345 err |= cbor_encode_text_string(&policyMap, OC_RSRVD_SECURE,
346 sizeof(OC_RSRVD_SECURE) - 1);
347 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding secure tag to policy map");
348 err |= cbor_encode_boolean(&policyMap, resource->secure);
349 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding secure value to policy map");
351 if (resource->secure || payload->baseURI)
353 err |= cbor_encode_text_string(&policyMap, OC_RSRVD_HOSTING_PORT,
354 sizeof(OC_RSRVD_HOSTING_PORT) - 1);
355 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding secure port tag");
356 err |= cbor_encode_uint(&policyMap, resource->port);
357 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding secure port value");
363 if (resource->secure)
365 err |= cbor_encode_text_string(&policyMap, OC_RSRVD_TLS_PORT,
366 sizeof(OC_RSRVD_TLS_PORT) - 1);
367 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding tcp secure port tag");
368 err |= cbor_encode_uint(&policyMap, resource->tcpPort);
369 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding tcp secure port value");
376 err |= cbor_encode_text_string(&policyMap, OC_RSRVD_TCP_PORT,
377 sizeof(OC_RSRVD_TCP_PORT) - 1);
378 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding tcp port tag");
379 err |= cbor_encode_uint(&policyMap, resource->tcpPort);
380 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding tcp port value");
384 err |= cbor_encoder_close_container(&linkMap, &policyMap);
385 VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing policy map");
387 // Finsihed encoding a resource, close the map.
388 err |= cbor_encoder_close_container(&linkArray, &linkMap);
389 VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing link map");
391 // Close links array inside the root map.
392 err |= cbor_encoder_close_container(&rootMap, &linkArray);
393 VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing link array");
394 // close root map inside the root array.
395 err |= cbor_encoder_close_container(&rootArray, &rootMap);
396 VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing root map");
398 payload = payload->next;
401 // Close the final root array.
402 err |= cbor_encoder_close_container(&encoder, &rootArray);
403 VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing root array");
406 return checkError(err, &encoder, outPayload, size);
409 static int64_t OCConvertArrayItem(CborEncoder *array, const OCRepPayloadValueArray *valArray,
412 int64_t err = CborNoError;
413 switch (valArray->type)
415 case OCREP_PROP_NULL:
416 OIC_LOG(ERROR, TAG, "ConvertArray Invalid NULL");
417 err = CborUnknownError;
420 if (valArray->iArray != 0)
422 err |= cbor_encode_int(array, valArray->iArray[index]);
425 case OCREP_PROP_DOUBLE:
426 if (valArray->dArray != 0)
428 err |= cbor_encode_double(array, valArray->dArray[index]);
431 case OCREP_PROP_BOOL:
432 if (valArray->bArray != 0)
434 err |= cbor_encode_boolean(array, valArray->bArray[index]);
437 case OCREP_PROP_STRING:
438 if (valArray->strArray != 0)
440 err |= (!valArray->strArray[index]) ? cbor_encode_null(array) : cbor_encode_text_string(array,
441 valArray->strArray[index], strlen(valArray->strArray[index]));
444 case OCREP_PROP_BYTE_STRING:
445 err |= (!valArray->ocByteStrArray[index].len) ? cbor_encode_null(array) : cbor_encode_byte_string(array,
446 valArray->ocByteStrArray[index].bytes, valArray->ocByteStrArray[index].len);
448 case OCREP_PROP_OBJECT:
449 if (valArray->objArray != 0)
451 err |= (!valArray->objArray[index]) ? cbor_encode_null(array): OCConvertRepMap(array,
452 valArray->objArray[index]);
455 case OCREP_PROP_ARRAY:
456 OIC_LOG(ERROR, TAG, "ConvertArray Invalid child array");
457 err = CborUnknownError;
464 static int64_t OCConvertArray(CborEncoder *parent, const OCRepPayloadValueArray *valArray)
466 int64_t err = CborNoError;
468 err |= cbor_encoder_create_array(parent, &array, valArray->dimensions[0]);
469 VERIFY_CBOR_SUCCESS(TAG, err, "Failed creating rep array");
471 if (valArray->dimensions[0] == 0)
473 err |= OCConvertArrayItem(&array, valArray, 0);
474 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding rep array value");
478 for (size_t i = 0; i < valArray->dimensions[0]; ++i)
480 if (0 != valArray->dimensions[1])
483 err |= cbor_encoder_create_array(&array, &array2, valArray->dimensions[1]);
484 VERIFY_CBOR_SUCCESS(TAG, err, "Failed creating rep array2");
486 for (size_t j = 0; j < valArray->dimensions[1]; ++j)
488 if (0 != valArray->dimensions[2])
491 err |= cbor_encoder_create_array(&array2, &array3, valArray->dimensions[2]);
492 VERIFY_CBOR_SUCCESS(TAG, err, "Failed creating rep array3");
494 for(size_t k = 0; k < valArray->dimensions[2]; ++k)
496 err |= OCConvertArrayItem(&array3, valArray,
497 j * valArray->dimensions[2] +
498 i * valArray->dimensions[2] * valArray->dimensions[1] +
500 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding rep array3 value");
502 err |= cbor_encoder_close_container(&array2, &array3);
503 VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing rep array3");
507 err |= OCConvertArrayItem(&array2, valArray, i * valArray->dimensions[1] + j);
508 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding rep array2 value");
511 err |= cbor_encoder_close_container(&array, &array2);
512 VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing rep array2");
516 err |= OCConvertArrayItem(&array, valArray, i);
517 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding rep array value");
521 err |= cbor_encoder_close_container(parent, &array);
522 VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing rep array");
528 static int64_t OCConvertRepMap(CborEncoder *map, const OCRepPayload *payload)
530 int64_t err = CborNoError;
532 err |= cbor_encoder_create_map(map, &repMap, CborIndefiniteLength);
533 VERIFY_CBOR_SUCCESS(TAG, err, "Failed creating rep map");
534 err |= OCConvertSingleRepPayload(&repMap, payload);
535 VERIFY_CBOR_SUCCESS(TAG, err, "Failed converting single rep payload");
536 err |= cbor_encoder_close_container(map, &repMap);
537 VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing rep map");
542 static int64_t OCConvertSingleRepPayload(CborEncoder *repMap, const OCRepPayload *payload)
544 int64_t err = CborNoError;
545 OCRepPayloadValue *value = payload->values;
548 err |= cbor_encode_text_string(repMap, value->name, strlen(value->name));
549 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding tag name");
553 case OCREP_PROP_NULL:
554 err |= cbor_encode_null(repMap);
557 err |= cbor_encode_int(repMap, value->i);
559 case OCREP_PROP_DOUBLE:
560 err |= cbor_encode_double(repMap, value->d);
562 case OCREP_PROP_BOOL:
563 err |= cbor_encode_boolean(repMap, value->b);
565 case OCREP_PROP_STRING:
566 err |= cbor_encode_text_string(repMap, value->str, strlen(value->str));
568 case OCREP_PROP_BYTE_STRING:
569 err |= cbor_encode_byte_string(repMap, value->ocByteStr.bytes, value->ocByteStr.len);
571 case OCREP_PROP_OBJECT:
572 err |= OCConvertRepMap(repMap, value->obj);
574 case OCREP_PROP_ARRAY:
575 err |= OCConvertArray(repMap, &value->arr);
578 OIC_LOG_V(ERROR, TAG, "Invalid Prop type: %d", value->type);
581 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding single rep value");
589 static int64_t OCConvertRepPayload(OCRepPayload *payload, uint8_t *outPayload, size_t *size)
592 int64_t err = CborNoError;
594 cbor_encoder_init(&encoder, outPayload, *size, 0);
596 size_t arrayCount = 0;
597 for (OCRepPayload *temp = payload; temp; temp = temp->next)
601 CborEncoder rootArray;
604 err |= cbor_encoder_create_array(&encoder, &rootArray, arrayCount);
605 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding rep root map");
608 while (payload != NULL && (err == CborNoError))
611 err |= cbor_encoder_create_map(((arrayCount == 1)? &encoder: &rootArray),
612 &rootMap, CborIndefiniteLength);
613 VERIFY_CBOR_SUCCESS(TAG, err, "Failed creating root map");
615 // Only in case of collection href is included.
616 if (arrayCount > 1 && payload->uri && strlen(payload->uri) > 0)
618 OIC_LOG(INFO, TAG, "Payload has uri");
619 err |= cbor_encode_text_string(&rootMap, OC_RSRVD_HREF, strlen(OC_RSRVD_HREF));
620 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding rep href tag");
621 err |= cbor_encode_text_string(&rootMap, payload->uri, strlen(payload->uri));
622 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding rep href value");
626 OIC_LOG(INFO, TAG, "Payload has types");
627 err |= OCStringLLJoin(&rootMap, OC_RSRVD_RESOURCE_TYPE, payload->types);
628 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding resource type.");
630 if (payload->interfaces)
632 OIC_LOG(INFO, TAG, "Payload has interfaces");
633 err |= OCStringLLJoin(&rootMap, OC_RSRVD_INTERFACE, payload->interfaces);
634 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding platform interface type.");
637 err |= OCConvertSingleRepPayload(&rootMap, payload);
638 VERIFY_CBOR_SUCCESS(TAG, err, "Failed setting rep payload");
641 err |= cbor_encoder_close_container(((arrayCount == 1) ? &encoder: &rootArray),
643 VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing root map");
644 payload = payload->next;
648 err |= cbor_encoder_close_container(&encoder, &rootArray);
649 VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing root array");
653 return checkError(err, &encoder, outPayload, size);
657 static int64_t OCConvertPresencePayload(OCPresencePayload *payload, uint8_t *outPayload,
660 int64_t err = CborNoError;
663 cbor_encoder_init(&encoder, outPayload, *size, 0);
665 err |= cbor_encoder_create_map(&encoder, &map, CborIndefiniteLength);
666 VERIFY_CBOR_SUCCESS(TAG, err, "Failed creating presence map");
669 err |= cbor_encode_text_string(&map, OC_RSRVD_NONCE, sizeof(OC_RSRVD_NONCE) - 1);
670 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding nonce tag to presence map");
671 err |= cbor_encode_uint(&map, payload->sequenceNumber);
672 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding nonce value to presence map");
675 err |= cbor_encode_text_string(&map, OC_RSRVD_TTL, sizeof(OC_RSRVD_TTL) - 1);
676 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding ttl tag to presence map");
677 err |= cbor_encode_uint(&map, payload->maxAge);
678 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding ttl value to presence map");
681 err |= cbor_encode_text_string(&map, OC_RSRVD_TRIGGER, sizeof(OC_RSRVD_TRIGGER) - 1);
682 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding trigger tag to presence map");
683 err |= cbor_encode_simple_value(&map, payload->trigger);
684 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding trigger value to presence map");
686 // Resource type name
687 if (payload->trigger != OC_PRESENCE_TRIGGER_DELETE)
689 err |= ConditionalAddTextStringToMap(&map, OC_RSRVD_RESOURCE_TYPE,
690 sizeof(OC_RSRVD_RESOURCE_TYPE) - 1, payload->resourceType);
691 VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding resource type to presence map");
695 err |= cbor_encoder_close_container(&encoder, &map);
696 VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing presence map");
699 return checkError(err, &encoder, outPayload, size);
701 #endif // WITH_PRESENCE
703 static int64_t AddTextStringToMap(CborEncoder* map, const char* key, size_t keylen,
706 int64_t err = cbor_encode_text_string(map, key, keylen);
707 if (CborNoError != err)
711 return cbor_encode_text_string(map, value, strlen(value));
714 static int64_t ConditionalAddTextStringToMap(CborEncoder* map, const char* key, size_t keylen,
717 return value ? AddTextStringToMap(map, key, keylen, value) : 0;