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 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
21 #include "ocpayloadcbor.h"
22 #include "platform_features.h"
24 #include "oic_malloc.h"
25 #include "oic_string.h"
27 #include "ocpayload.h"
29 #include "ocresourcehandler.h"
31 #include "rdpayload.h"
33 #define TAG "OCPayloadConvert"
34 // Arbitrarily chosen size that seems to contain the majority of packages
35 #define INIT_SIZE (255)
38 #define DISCOVERY_CBOR_ARRAY_LEN 1
39 // CBOR Res Map Length
40 #define DISCOVERY_CBOR_RES_MAP_LEN 2
41 // CBOR Links Map Length
42 #define DISCOVERY_CBOR_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 OCConvertDevicePayload(OCDevicePayload* payload, uint8_t* outPayload,
50 static int64_t OCConvertPlatformPayload(OCPlatformPayload* payload, uint8_t* outPayload,
52 static int64_t OCConvertRepPayload(OCRepPayload* payload, uint8_t* outPayload, size_t* size);
53 static int64_t OCConvertRepMap(CborEncoder *map, const OCRepPayload* payload);
54 static int64_t OCConvertPresencePayload(OCPresencePayload* payload, uint8_t* outPayload,
56 static int64_t OCConvertSecurityPayload(OCSecurityPayload* payload, uint8_t* outPayload,
58 static int64_t OCConvertSingleRepPayload(CborEncoder* parent, const OCRepPayload* payload);
59 static int64_t OCConvertArray(CborEncoder* parent, const OCRepPayloadValueArray* valArray);
61 static int64_t AddTextStringToMap(CborEncoder* map, const char* key, size_t keylen,
64 static int64_t ConditionalAddTextStringToMap(CborEncoder* map, const char* key, size_t keylen,
67 OCStackResult OCConvertPayload(OCPayload* payload, uint8_t** outPayload, size_t* size)
69 // TinyCbor Version 47a78569c0 or better on master is required for the re-allocation
70 // strategy to work. If you receive the following assertion error, please do a git-pull
71 // from the extlibs/tinycbor/tinycbor directory
72 #define CborNeedsUpdating (CborErrorOutOfMemory < CborErrorDataTooLarge)
73 OC_STATIC_ASSERT(!CborNeedsUpdating, "tinycbor needs to be updated to at least 47a78569c0");
74 #undef CborNeedsUpdating
77 OC_LOG(ERROR, TAG, "Payload parameter NULL");
78 return OC_STACK_INVALID_PARAM;
81 if (!outPayload || !size)
83 OC_LOG(ERROR, TAG, "Out parameter/s parameter NULL");
84 return OC_STACK_INVALID_PARAM;
87 OC_LOG_V(INFO, TAG, "Converting payload of type %d", payload->type);
89 size_t curSize = INIT_SIZE;
90 uint8_t* out = (uint8_t*)OICCalloc(1, curSize);
91 int64_t err = OCConvertPayloadHelper(payload, out, &curSize);
93 if (err == CborErrorOutOfMemory)
95 // reallocate "out" and try again!
96 uint8_t* out2 = (uint8_t*)OICRealloc(out, curSize);
101 return OC_STACK_NO_MEMORY;
105 err = OCConvertPayloadHelper(payload, out, &curSize);
110 if (curSize < INIT_SIZE)
112 uint8_t* out2 = (uint8_t*)OICRealloc(out, curSize);
117 return OC_STACK_NO_MEMORY;
129 return (OCStackResult)-err;
133 return OC_STACK_ERROR;
137 static int64_t OCConvertPayloadHelper(OCPayload* payload, uint8_t* outPayload, size_t* size)
139 switch(payload->type)
141 case PAYLOAD_TYPE_DISCOVERY:
142 return OCConvertDiscoveryPayload((OCDiscoveryPayload*)payload, outPayload, size);
143 case PAYLOAD_TYPE_DEVICE:
144 return OCConvertDevicePayload((OCDevicePayload*)payload, outPayload, size);
145 case PAYLOAD_TYPE_PLATFORM:
146 return OCConvertPlatformPayload((OCPlatformPayload*)payload, outPayload, size);
147 case PAYLOAD_TYPE_REPRESENTATION:
148 return OCConvertRepPayload((OCRepPayload*)payload, outPayload, size);
149 case PAYLOAD_TYPE_PRESENCE:
150 return OCConvertPresencePayload((OCPresencePayload*)payload, outPayload, size);
151 case PAYLOAD_TYPE_SECURITY:
152 return OCConvertSecurityPayload((OCSecurityPayload*)payload, outPayload, size);
153 case PAYLOAD_TYPE_RD:
154 return OCRDPayloadToCbor((OCRDPayload*)payload, outPayload, size);
156 OC_LOG_V(INFO,TAG, "ConvertPayload default %d", payload->type);
157 return OC_STACK_NOTIMPL;
161 static int64_t checkError(int64_t err, CborEncoder* encoder, uint8_t* outPayload, size_t* size)
163 if (err == CborErrorOutOfMemory)
165 *size += encoder->ptr - encoder->end;
170 OC_LOG_V(ERROR, TAG, "Convert Payload failed", err);
175 *size = encoder->ptr - outPayload;
179 static int64_t OCConvertSecurityPayload(OCSecurityPayload* payload, uint8_t* outPayload,
185 cbor_encoder_init(&encoder, outPayload, *size, 0);
189 err = err | cbor_encoder_create_map(&encoder, &map, CborIndefiniteLength);
191 if(payload->securityData)
193 err = err | cbor_encode_text_string(&map, payload->securityData,
194 strlen(payload->securityData));
197 err = err | cbor_encoder_close_container(&encoder, &map);
198 return checkError(err, &encoder, outPayload, size);
202 static char* OCStringLLJoin(OCStringLL* val)
204 OCStringLL* temp = val;
205 size_t size = strlen(temp->value);
211 size += strlen(temp->value);
214 char* joinedStr = (char*)OICCalloc(sizeof(char), size + 1);
221 OICStrcat(joinedStr, size + 1, val->value);
225 OICStrcat(joinedStr, size + 1, " ");
226 OICStrcat(joinedStr, size + 1, val->value);
231 static int64_t OCConvertDiscoveryPayload(OCDiscoveryPayload* payload, uint8_t* outPayload,
234 CborEncoder encoder = {0};
235 CborEncoder rootArray = {0};
238 cbor_encoder_init(&encoder, outPayload, *size, 0);
240 if (payload->collectionResources)
242 CborError cborEncoderResult;
243 cborEncoderResult = cbor_encoder_create_array(&encoder, &rootArray, DISCOVERY_CBOR_ARRAY_LEN);
244 if (CborNoError != cborEncoderResult)
246 OC_LOG(ERROR, TAG, "Failed creating root array.");
250 CborEncoder colArray;
251 cborEncoderResult = cbor_encoder_create_array(&rootArray, &colArray, CborIndefiniteLength);
252 if (CborNoError != cborEncoderResult)
254 OC_LOG(ERROR, TAG, "Failed creating collection array.");
258 OCResourceCollectionPayload *colResources = payload->collectionResources;
261 if (OC_STACK_OK != OCTagsPayloadToCbor(colResources->tags, &colArray))
265 if (OC_STACK_OK != OCLinksPayloadToCbor(colResources->setLinks, &colArray))
269 colResources = colResources->next;
271 cborEncoderResult = cbor_encoder_close_container(&rootArray, &colArray);
272 if (CborNoError != cborEncoderResult)
274 OC_LOG(ERROR, TAG, "Failed closing collection array.");
277 cborEncoderResult = cbor_encoder_close_container(&encoder, &rootArray);
278 if (CborNoError != cborEncoderResult)
280 OC_LOG(ERROR, TAG, "Failed closing root array.");
284 else if (payload->resources)
287 The format for the payload is "modelled" as JSON.
291 "di" : UUID, // device ID
292 links :[ // linksArray contains maps of resources
294 href, rt, if, policy // Resource 1
297 href, rt, if, policy // Resource 2
306 CborEncoder rootMap = {};
307 size_t resourceCount = OCDiscoveryPayloadGetResourceCount(payload);
309 // Open the main root array
310 err = err | cbor_encoder_create_array(&encoder, &rootArray, 1);
312 // Open the root map in the root array
313 err = err | cbor_encoder_create_map(&rootArray, &rootMap, DISCOVERY_CBOR_RES_MAP_LEN);
315 // Insert Device ID into the root map
316 err = err | cbor_encode_text_string(&rootMap, OC_RSRVD_DEVICE_ID,
317 sizeof(OC_RSRVD_DEVICE_ID) - 1);
318 err = err | cbor_encode_byte_string(&rootMap, payload->sid, UUID_SIZE);
321 // Insert Links into the root map.
322 CborEncoder linkArray = {};
323 err = err | cbor_encode_text_string(&rootMap, OC_RSRVD_LINKS,
324 sizeof(OC_RSRVD_LINKS) - 1);
325 err = err | cbor_encoder_create_array(&rootMap, &linkArray, resourceCount);
327 for(size_t i = 0; i < resourceCount; ++i)
329 CborEncoder resourceMapElement = {};
330 OCResourcePayload* resource = OCDiscoveryPayloadGetResource(payload, i);
334 return OC_STACK_INVALID_PARAM;
337 // resource map inside the links array.
338 err = err | cbor_encoder_create_map(&linkArray, &resourceMapElement,
339 DISCOVERY_CBOR_LINKS_MAP_LEN);
341 // Below are insertions of the resource properties into the map.
343 err = err | AddTextStringToMap(&resourceMapElement, OC_RSRVD_HREF,
344 sizeof(OC_RSRVD_HREF) - 1,
349 char* joinedTypes = OCStringLLJoin(resource->types);
352 err = err | cbor_encode_text_string(&resourceMapElement, OC_RSRVD_RESOURCE_TYPE,
353 sizeof(OC_RSRVD_RESOURCE_TYPE) - 1);
354 err = err | cbor_encode_text_string(&resourceMapElement, joinedTypes,
355 strlen(joinedTypes));
356 OICFree(joinedTypes);
360 return OC_STACK_NO_MEMORY;
364 if (resource->interfaces)
366 char* joinedInterfaces = OCStringLLJoin(resource->interfaces);
367 if (joinedInterfaces)
369 err = err | cbor_encode_text_string(&resourceMapElement, OC_RSRVD_INTERFACE,
370 sizeof(OC_RSRVD_INTERFACE) - 1);
371 err = err | cbor_encode_text_string(&resourceMapElement, joinedInterfaces,
372 strlen(joinedInterfaces));
373 OICFree(joinedInterfaces);
377 return OC_STACK_NO_MEMORY;
382 CborEncoder policyMap;
383 err = err | cbor_encode_text_string(&resourceMapElement, OC_RSRVD_POLICY,
384 sizeof(OC_RSRVD_POLICY) - 1);
385 err = err | cbor_encoder_create_map(&resourceMapElement, &policyMap, CborIndefiniteLength);
388 err = err | cbor_encode_text_string(&policyMap, OC_RSRVD_BITMAP,
389 sizeof(OC_RSRVD_BITMAP) - 1);
390 err = err | cbor_encode_uint(&policyMap, resource->bitmap);
394 err = err | cbor_encode_text_string(&policyMap, OC_RSRVD_SECURE,
395 sizeof(OC_RSRVD_SECURE) - 1);
396 err = err | cbor_encode_boolean(&policyMap, OC_RESOURCE_SECURE);
398 if(resource->port != 0)
400 err = err | cbor_encode_text_string(&policyMap, OC_RSRVD_HOSTING_PORT,
401 sizeof(OC_RSRVD_HOSTING_PORT) - 1);
402 err = err | cbor_encode_uint(&policyMap, resource->port);
406 err = err | cbor_encoder_close_container(&resourceMapElement, &policyMap);
408 // Finsihed encoding a resource, close the map.
409 err = err | cbor_encoder_close_container(&linkArray, &resourceMapElement);
411 // Close links array inside the root map.
412 err = err | cbor_encoder_close_container(&rootMap, &linkArray);
413 // close root map inside the root array.
414 err = err | cbor_encoder_close_container(&rootArray, &rootMap);
415 // Close the final root array.
416 err = err | cbor_encoder_close_container(&encoder, &rootArray);
419 return checkError(err, &encoder, outPayload, size);
422 return OC_STACK_ERROR;
425 static int64_t OCConvertDevicePayload(OCDevicePayload* payload, uint8_t* outPayload,
428 CborEncoder encoder = {0};
431 cbor_encoder_init(&encoder, outPayload, *size, 0);
433 err = err | cbor_encoder_create_map(&encoder, &repMap, CborIndefiniteLength);
436 err = err | cbor_encode_text_string(&repMap, OC_RSRVD_DEVICE_ID,
437 sizeof(OC_RSRVD_DEVICE_ID) - 1);
438 err = err | cbor_encode_byte_string(&repMap, payload->sid, UUID_SIZE);
441 err = err | ConditionalAddTextStringToMap(&repMap, OC_RSRVD_DEVICE_NAME,
442 sizeof(OC_RSRVD_DEVICE_NAME) - 1,
443 payload->deviceName);
445 // Device Spec Version
446 err = err | ConditionalAddTextStringToMap(&repMap, OC_RSRVD_SPEC_VERSION,
447 sizeof(OC_RSRVD_SPEC_VERSION) - 1,
448 payload->specVersion);
450 // Device data Model Version
451 err = err | ConditionalAddTextStringToMap(&repMap, OC_RSRVD_DATA_MODEL_VERSION,
452 sizeof(OC_RSRVD_DATA_MODEL_VERSION) - 1,
453 payload->dataModelVersion);
455 err = err | cbor_encoder_close_container(&encoder, &repMap);
457 return checkError(err, &encoder, outPayload, size);
460 static int64_t OCConvertPlatformPayload(OCPlatformPayload* payload, uint8_t* outPayload,
463 CborEncoder encoder = {0};
466 cbor_encoder_init(&encoder, outPayload, *size, 0);
469 err = err | cbor_encoder_create_map(&encoder, &repMap, CborIndefiniteLength);
472 err = err | ConditionalAddTextStringToMap(&repMap, OC_RSRVD_PLATFORM_ID,
473 sizeof(OC_RSRVD_PLATFORM_ID) - 1,
474 payload->info.platformID);
477 err = err | ConditionalAddTextStringToMap(&repMap, OC_RSRVD_MFG_NAME,
478 sizeof(OC_RSRVD_MFG_NAME) - 1,
479 payload->info.manufacturerName);
482 err = err | ConditionalAddTextStringToMap(&repMap, OC_RSRVD_MFG_URL,
483 sizeof(OC_RSRVD_MFG_URL) - 1,
484 payload->info.manufacturerUrl);
487 err = err | ConditionalAddTextStringToMap(&repMap, OC_RSRVD_MODEL_NUM,
488 sizeof(OC_RSRVD_MODEL_NUM) - 1,
489 payload->info.modelNumber);
492 err = err | ConditionalAddTextStringToMap(&repMap, OC_RSRVD_MFG_DATE,
493 sizeof(OC_RSRVD_MFG_DATE) - 1,
494 payload->info.dateOfManufacture);
497 err = err | ConditionalAddTextStringToMap(&repMap, OC_RSRVD_PLATFORM_VERSION,
498 sizeof(OC_RSRVD_PLATFORM_VERSION) - 1,
499 payload->info.platformVersion);
502 err = err | ConditionalAddTextStringToMap(&repMap, OC_RSRVD_OS_VERSION,
503 sizeof(OC_RSRVD_OS_VERSION) - 1,
504 payload->info.operatingSystemVersion);
507 err = err | ConditionalAddTextStringToMap(&repMap, OC_RSRVD_HARDWARE_VERSION,
508 sizeof(OC_RSRVD_HARDWARE_VERSION) - 1,
509 payload->info.hardwareVersion);
512 err = err | ConditionalAddTextStringToMap(&repMap, OC_RSRVD_FIRMWARE_VERSION,
513 sizeof(OC_RSRVD_FIRMWARE_VERSION) - 1,
514 payload->info.firmwareVersion);
517 err = err | ConditionalAddTextStringToMap(&repMap, OC_RSRVD_SUPPORT_URL,
518 sizeof(OC_RSRVD_SUPPORT_URL) - 1,
519 payload->info.supportUrl);
522 err = err | ConditionalAddTextStringToMap(&repMap, OC_RSRVD_SYSTEM_TIME,
523 sizeof(OC_RSRVD_SYSTEM_TIME) - 1,
524 payload->info.systemTime);
527 err = err | cbor_encoder_close_container(&encoder, &repMap);
530 return checkError(err, &encoder, outPayload, size);
533 static int64_t OCConvertArrayItem(CborEncoder* array, const OCRepPayloadValueArray* valArray,
537 switch (valArray->type)
539 case OCREP_PROP_NULL:
540 OC_LOG(ERROR, TAG, "ConvertArray Invalid NULL");
541 err = CborUnknownError;
544 err = err | cbor_encode_int(array, valArray->iArray[index]);
546 case OCREP_PROP_DOUBLE:
547 err = err | cbor_encode_double(array, valArray->dArray[index]);
549 case OCREP_PROP_BOOL:
550 err = err | cbor_encode_boolean(array, valArray->bArray[index]);
552 case OCREP_PROP_STRING:
553 if (!valArray->strArray[index])
555 err = err | cbor_encode_null(array);
559 err = err | cbor_encode_text_string(array, valArray->strArray[index],
560 strlen(valArray->strArray[index]));
563 case OCREP_PROP_BYTE_STRING:
564 if (!valArray->strArray[index])
566 err = err | cbor_encode_null(array);
570 err = err | cbor_encode_byte_string(array, valArray->ocByteStrArray[index].bytes,
571 valArray->ocByteStrArray[index].len);
574 case OCREP_PROP_OBJECT:
575 if (!valArray->objArray[index])
577 err = err | cbor_encode_null(array);
581 err = OCConvertRepMap(array, valArray->objArray[index]);
584 case OCREP_PROP_ARRAY:
585 OC_LOG(ERROR, TAG, "ConvertArray Invalid child array");
586 err = CborUnknownError;
592 static int64_t OCConvertArray(CborEncoder* parent, const OCRepPayloadValueArray* valArray)
597 err = err | cbor_encoder_create_array(parent, &array, valArray->dimensions[0]);
599 for (size_t i = 0; i < valArray->dimensions[0];++i)
601 if (valArray->dimensions[1] != 0)
604 err = err | cbor_encoder_create_array(&array, &array2, valArray->dimensions[1]);
606 for (size_t j = 0; j < valArray->dimensions[1]; ++j)
608 if (valArray->dimensions[2] != 0)
611 err = err | cbor_encoder_create_array(&array2, &array3,
612 valArray->dimensions[2]);
614 for(size_t k = 0; k < valArray->dimensions[2]; ++k)
616 OCConvertArrayItem(&array3, valArray,
617 j * valArray->dimensions[2] +
618 i * valArray->dimensions[2] * valArray->dimensions[1] +
621 err = err | cbor_encoder_close_container(&array2, &array3);
625 OCConvertArrayItem(&array2, valArray,
626 i * valArray->dimensions[1] + j);
629 err = err | cbor_encoder_close_container(&array, &array2);
633 OCConvertArrayItem(&array, valArray, i);
636 err = err | cbor_encoder_close_container(parent, &array);
640 static int64_t OCConvertRepMap(CborEncoder *map, const OCRepPayload* payload)
644 err = err | cbor_encoder_create_map(map, &repMap, CborIndefiniteLength);
645 err = err | OCConvertSingleRepPayload(&repMap, payload);
646 err = err | cbor_encoder_close_container(map, &repMap);
650 static int64_t OCConvertSingleRepPayload(CborEncoder* repMap, const OCRepPayload* payload)
653 OCRepPayloadValue* value = payload->values;
656 err = err | cbor_encode_text_string(repMap,
658 strlen(value->name));
661 case OCREP_PROP_NULL:
662 err = err | cbor_encode_null(repMap);
665 err = err | cbor_encode_int(repMap,
668 case OCREP_PROP_DOUBLE:
669 err = err | cbor_encode_double(repMap,
672 case OCREP_PROP_BOOL:
673 err = err | cbor_encode_boolean(repMap,
676 case OCREP_PROP_STRING:
677 err = err | cbor_encode_text_string(repMap,
678 value->str, strlen(value->str));
680 case OCREP_PROP_BYTE_STRING:
681 err = err | cbor_encode_byte_string(repMap,
682 value->ocByteStr.bytes, value->ocByteStr.len);
684 case OCREP_PROP_OBJECT:
685 err = err | OCConvertRepMap(repMap, value->obj);
687 case OCREP_PROP_ARRAY:
688 err = err | OCConvertArray(repMap, &value->arr);
691 OC_LOG_V(ERROR, TAG, "Invalid Prop type: %d",
701 static int64_t OCConvertRepPayload(OCRepPayload* payload, uint8_t* outPayload, size_t* size)
703 CborEncoder encoder = {0};
706 cbor_encoder_init(&encoder, outPayload, *size, 0);
707 CborEncoder rootMap ;
709 size_t arrayCount = 0;
710 for (OCRepPayload *temp = payload; temp; temp = temp->next)
714 CborEncoder rootArray;
717 err = err | cbor_encoder_create_array(&encoder, &rootArray, arrayCount);
720 while (payload != NULL && (err == CborNoError))
722 err = err | cbor_encoder_create_map(((arrayCount == 1)? &encoder: &rootArray),
723 &rootMap, CborIndefiniteLength);
724 // Only in case of collection href is included.
725 if (arrayCount > 1 && payload->uri && strlen(payload->uri) > 0)
727 OC_LOG(INFO, TAG, "Payload has uri");
728 err = err | cbor_encode_text_string(&rootMap, OC_RSRVD_HREF,
729 strlen(OC_RSRVD_HREF));
730 err = err | cbor_encode_text_string(&rootMap, payload->uri,
731 strlen(payload->uri));
735 OC_LOG(INFO, TAG, "Payload has types");
736 char* joinedTypes = OCStringLLJoin(payload->types);
739 err = err | cbor_encode_text_string(&rootMap, OC_RSRVD_RESOURCE_TYPE,
740 strlen(OC_RSRVD_RESOURCE_TYPE));
741 err = err | cbor_encode_text_string(&rootMap, joinedTypes,
742 strlen(joinedTypes));
743 OICFree(joinedTypes);
747 return OC_STACK_NO_MEMORY;
750 if (payload->interfaces)
752 OC_LOG(INFO, TAG, "Payload has interfaces");
753 char* joinedInterfaces = OCStringLLJoin(payload->interfaces);
754 if (joinedInterfaces)
756 err = err | cbor_encode_text_string(&rootMap, OC_RSRVD_INTERFACE,
757 strlen(OC_RSRVD_INTERFACE));
758 err = err | cbor_encode_text_string(&rootMap, joinedInterfaces,
759 strlen(joinedInterfaces));
760 OICFree(joinedInterfaces);
764 return OC_STACK_NO_MEMORY;
768 err = err | OCConvertSingleRepPayload(&rootMap, payload);
769 err = err | cbor_encoder_close_container(((arrayCount == 1) ? &encoder: &rootArray),
771 payload = payload->next;
775 err = err | cbor_encoder_close_container(&encoder, &rootArray);
778 return checkError(err, &encoder, outPayload, size);
781 static int64_t OCConvertPresencePayload(OCPresencePayload* payload,
782 uint8_t* outPayload, size_t* size)
784 CborEncoder encoder = {0};
787 cbor_encoder_init(&encoder, outPayload, *size, 0);
789 err = err | cbor_encoder_create_map(&encoder, &map, CborIndefiniteLength);
792 err = err | cbor_encode_text_string(&map,
794 sizeof(OC_RSRVD_NONCE) - 1);
795 err = err | cbor_encode_uint(&map, payload->sequenceNumber);
798 err = err | cbor_encode_text_string(&map,
800 sizeof(OC_RSRVD_TTL) - 1);
801 err = err | cbor_encode_uint(&map, payload->maxAge);
804 const char* triggerStr = convertTriggerEnumToString(payload->trigger);
805 err = err | AddTextStringToMap(&map, OC_RSRVD_TRIGGER, sizeof(OC_RSRVD_TRIGGER) - 1,
808 // Resource type name
809 if(payload->trigger != OC_PRESENCE_TRIGGER_DELETE)
811 err = err | ConditionalAddTextStringToMap(&map, OC_RSRVD_RESOURCE_TYPE,
812 sizeof(OC_RSRVD_RESOURCE_TYPE) - 1, payload->resourceType);
816 err = err | cbor_encoder_close_container(&encoder, &map);
818 return checkError(err, &encoder, outPayload, size);
821 static int64_t AddTextStringToMap(CborEncoder* map, const char* key, size_t keylen,
824 return cbor_encode_text_string(map, key, keylen) |
825 cbor_encode_text_string(map, value, strlen(value));
828 static int64_t ConditionalAddTextStringToMap(CborEncoder* map, const char* key, size_t keylen,
831 return value ? AddTextStringToMap(map, key, keylen, value) : 0;