static int64_t OCConvertDiscoveryPayload(OCDiscoveryPayload *payload, uint8_t *outPayload,
size_t *size)
{
CborEncoder encoder;
int64_t err = CborNoError;
cbor_encoder_init(&encoder, outPayload, *size, 0);
if (payload->resources)
{
/*
The format for the payload is "modelled" as JSON.
[ // rootArray
{ // rootMap
"di" : UUID, // device ID
"rt": "oic.wk.res"
"n":"MyDevice"
"if":"oic.if.ll oic.if.baseline"
"di": "0685B960-736F-46F7-BEC0-9E6CBD61ADC1",
links :[ // linksArray contains maps of resources
{
href, rt, if, policy // Resource 1
},
{
href, rt, if, policy // Resource 2
},
.
.
.
]
}
]
*/
// Open the main root array
CborEncoder rootArray;
size_t resourceCount = OCDiscoveryPayloadGetResourceCount(payload);
err |= cbor_encoder_create_array(&encoder, &rootArray, 1);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed creating discovery root array");
// Open the root map in the root array
CborEncoder rootMap;
err |= cbor_encoder_create_map(&rootArray, &rootMap, CborIndefiniteLength);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed creating discovery map");
// Insert Name
err |= ConditionalAddTextStringToMap(&rootMap, OC_RSRVD_DEVICE_NAME,
sizeof(OC_RSRVD_DEVICE_NAME) - 1, payload->name);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed setting name");
// Insert Device ID into the root map
err |= AddTextStringToMap(&rootMap, OC_RSRVD_DEVICE_ID, sizeof(OC_RSRVD_DEVICE_ID) - 1,
payload->sid);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed setting device id");
// Insert Resource Type
err |= ConditionalAddTextStringToMap(&rootMap, OC_RSRVD_RESOURCE_TYPE,
sizeof(OC_RSRVD_RESOURCE_TYPE) - 1, payload->type);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed setting RT");
// Insert interfaces
if (payload->interface)
{
err |= OCStringLLJoin(&rootMap, OC_RSRVD_INTERFACE, payload->interface);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding interface types tag/value");
}
// Insert baseURI if present
err |= ConditionalAddTextStringToMap(&rootMap, OC_RSRVD_BASE_URI,
sizeof(OC_RSRVD_BASE_URI) - 1,
payload->baseURI);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed setting baseURI");
// Insert Links into the root map.
CborEncoder linkArray;
err |= cbor_encode_text_string(&rootMap, OC_RSRVD_LINKS, sizeof(OC_RSRVD_LINKS) - 1);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed setting links array tag");
err |= cbor_encoder_create_array(&rootMap, &linkArray, resourceCount);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed setting links array");
for(size_t i = 0; i < resourceCount; ++i)
{
CborEncoder linkMap;
OCResourcePayload *resource = OCDiscoveryPayloadGetResource(payload, i);
VERIFY_PARAM_NON_NULL(TAG, resource, "Failed retrieving resource");
// resource map inside the links array.
err |= cbor_encoder_create_map(&linkArray, &linkMap, LINKS_MAP_LEN);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed creating links map");
// Below are insertions of the resource properties into the map.
// Uri
err |= AddTextStringToMap(&linkMap, OC_RSRVD_HREF, sizeof(OC_RSRVD_HREF) - 1,
resource->uri);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding uri to links map");
// Resource Type
if (resource->types)
{
err |= OCStringLLJoin(&linkMap, OC_RSRVD_RESOURCE_TYPE, resource->types);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding resourceType tag/value to links map");
}
// Interface Types
if (resource->interfaces)
{
err |= OCStringLLJoin(&linkMap, OC_RSRVD_INTERFACE, resource->interfaces);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding interfaces tag/value to links map");
}
// Policy
CborEncoder policyMap;
err |= cbor_encode_text_string(&linkMap, OC_RSRVD_POLICY, sizeof(OC_RSRVD_POLICY) - 1);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding policy tag to links map");
err |= cbor_encoder_create_map(&linkMap, &policyMap, CborIndefiniteLength);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding policy map to links map");
// Bitmap
err |= cbor_encode_text_string(&policyMap, OC_RSRVD_BITMAP, sizeof(OC_RSRVD_BITMAP) - 1);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding bitmap tag to policy map");
err |= cbor_encode_uint(&policyMap, resource->bitmap);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding bitmap value to policy map");
if (resource->secure)
{
err |= cbor_encode_text_string(&policyMap, OC_RSRVD_SECURE,
sizeof(OC_RSRVD_SECURE) - 1);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding secure tag to policy map");
err |= cbor_encode_boolean(&policyMap, OC_RESOURCE_SECURE);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding secure value to policy map");
}
if ((resource->secure && resource->port != 0) || payload->baseURI)
{
err |= cbor_encode_text_string(&policyMap, OC_RSRVD_HOSTING_PORT,
sizeof(OC_RSRVD_HOSTING_PORT) - 1);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding secure port tag");
err |= cbor_encode_uint(&policyMap, resource->port);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding secure port value");
}
#ifdef TCP_ADAPTER
err |= cbor_encode_text_string(&policyMap, OC_RSRVD_TCP_PORT,
sizeof(OC_RSRVD_TCP_PORT) - 1);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding tcp port tag");
err |= cbor_encode_uint(&policyMap, resource->tcpPort);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed adding tcp port value");
#endif
err |= cbor_encoder_close_container(&linkMap, &policyMap);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing policy map");
// Finsihed encoding a resource, close the map.
err |= cbor_encoder_close_container(&linkArray, &linkMap);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing link map");
}
// Close links array inside the root map.
err |= cbor_encoder_close_container(&rootMap, &linkArray);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing link array");
// close root map inside the root array.
err |= cbor_encoder_close_container(&rootArray, &rootMap);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing root map");
// Close the final root array.
err |= cbor_encoder_close_container(&encoder, &rootArray);
VERIFY_CBOR_SUCCESS(TAG, err, "Failed closing root array");
}
exit:
return checkError(err, &encoder, outPayload, size);
}
static OCStackResult OCConvertDiscoveryPayload(OCDiscoveryPayload* payload, uint8_t** outPayload,
size_t* size)
{
*outPayload = (uint8_t*)OICCalloc(1, MAX_REQUEST_LENGTH);
*size = MAX_REQUEST_LENGTH;
if(!*outPayload)
{
return OC_STACK_NO_MEMORY;
}
CborEncoder encoder = {};
bool err = false;
size_t resourceCount = OCDiscoveryPayloadGetResourceCount(payload);
cbor_encoder_init(&encoder, *outPayload, *size, 0);
CborEncoder rootArray;
err = err || cbor_encoder_create_array(&encoder, &rootArray, 1 + resourceCount);
err = err || cbor_encode_uint(&rootArray, PAYLOAD_TYPE_DISCOVERY);
for(size_t i = 0; i < resourceCount; ++i)
{
CborEncoder map;
OCResourcePayload* resource = OCDiscoveryPayloadGetResource(payload, i);
err = err || cbor_encoder_create_map(&rootArray, &map, 3);
// Uri
err = err || AddTextStringToMap(&map, OC_RSRVD_HREF,
sizeof(OC_RSRVD_HREF) - 1,
resource->uri);
// Server ID
err = err || cbor_encode_text_string(&map, OC_RSRVD_SERVER_INSTANCE_ID,
sizeof(OC_RSRVD_SERVER_INSTANCE_ID) - 1);
err = err || cbor_encode_byte_string(&map, resource->sid, UUID_SIZE);
// Prop Tag
{
CborEncoder propMap;
err = err || cbor_encode_text_string(&map, OC_RSRVD_PROPERTY,
sizeof(OC_RSRVD_PROPERTY) -1 );
err = err || cbor_encoder_create_map(&map, &propMap, 3);
// Resource Type
{
CborEncoder rtArray;
err = err || cbor_encode_text_string(&propMap, OC_RSRVD_RESOURCE_TYPE,
sizeof(OC_RSRVD_RESOURCE_TYPE) - 1);
err = err || cbor_encoder_create_array(&propMap, &rtArray, CborIndefiniteLength);
OCStringLL* rtPtr = resource->types;
while(rtPtr)
{
err = err || cbor_encode_text_string(&rtArray, rtPtr->value,
strlen(rtPtr->value));
rtPtr = rtPtr->next;
}
err = err || cbor_encoder_close_container(&propMap, &rtArray);
}
// Interface Types
{
CborEncoder ifArray;
err = err || cbor_encode_text_string(&propMap, OC_RSRVD_INTERFACE,
sizeof(OC_RSRVD_INTERFACE) - 1);
err = err || cbor_encoder_create_array(&propMap, &ifArray, CborIndefiniteLength);
OCStringLL* ifPtr = resource->interfaces;
while(ifPtr)
{
err = err || cbor_encode_text_string(&ifArray, ifPtr->value,
strlen(ifPtr->value));
ifPtr= ifPtr->next;
}
err = err || cbor_encoder_close_container(&propMap, &ifArray);
}
// Policy
{
CborEncoder policyMap;
err = err || cbor_encode_text_string(&propMap, OC_RSRVD_POLICY,
sizeof(OC_RSRVD_POLICY) - 1);
err = err || cbor_encoder_create_map(&propMap, &policyMap, CborIndefiniteLength);
// Bitmap
err = err || cbor_encode_text_string(&policyMap, OC_RSRVD_BITMAP,
sizeof(OC_RSRVD_BITMAP) - 1);
err = err || cbor_encode_uint(&policyMap, resource->bitmap);
if(resource->secure)
{
err = err || cbor_encode_text_string(&policyMap, OC_RSRVD_SECURE,
sizeof(OC_RSRVD_SECURE) - 1);
err = err || cbor_encode_boolean(&policyMap, OC_RESOURCE_SECURE);
if(resource->port != 0)
{
err = err || cbor_encode_text_string(&policyMap, OC_RSRVD_HOSTING_PORT,
sizeof(OC_RSRVD_HOSTING_PORT) - 1);
err = err || cbor_encode_uint(&policyMap, resource->port);
}
}
err = err || cbor_encoder_close_container(&propMap, &policyMap);
}
// Close
err = err || cbor_encoder_close_container(&map, &propMap);
}
// Close Item
err = err || cbor_encoder_close_container(&rootArray, &map);
}
// Close main array
err = err || cbor_encoder_close_container(&encoder, &rootArray);
if(err)
{
OC_LOG_V(ERROR, TAG, "Convert Discovery Payload failed with : %d", err);
return OC_STACK_ERROR;
}
*size = encoder.ptr - *outPayload;
uint8_t* tempPayload = (uint8_t*)OICRealloc(*outPayload, *size);
if(!tempPayload)
{
OC_LOG_V(ERROR, TAG, PCF("Payload realloc failed!"));
OICFree(*outPayload);
return OC_STACK_ERROR;
}
*outPayload = tempPayload;
return OC_STACK_OK;
}
static int64_t OCConvertDiscoveryPayload(OCDiscoveryPayload* payload, uint8_t* outPayload,
size_t* size)
{
CborEncoder encoder = {0};
CborEncoder rootArray = {0};
int64_t err = 0;
cbor_encoder_init(&encoder, outPayload, *size, 0);
if (payload->collectionResources)
{
CborError cborEncoderResult;
cborEncoderResult = cbor_encoder_create_array(&encoder, &rootArray, DISCOVERY_CBOR_ARRAY_LEN);
if (CborNoError != cborEncoderResult)
{
OC_LOG(ERROR, TAG, "Failed creating root array.");
goto cbor_error;
}
CborEncoder colArray;
cborEncoderResult = cbor_encoder_create_array(&rootArray, &colArray, CborIndefiniteLength);
if (CborNoError != cborEncoderResult)
{
OC_LOG(ERROR, TAG, "Failed creating collection array.");
goto cbor_error;
}
OCResourceCollectionPayload *colResources = payload->collectionResources;
while (colResources)
{
if (OC_STACK_OK != OCTagsPayloadToCbor(colResources->tags, &colArray))
{
goto cbor_error;
}
if (OC_STACK_OK != OCLinksPayloadToCbor(colResources->setLinks, &colArray))
{
goto cbor_error;
}
colResources = colResources->next;
}
cborEncoderResult = cbor_encoder_close_container(&rootArray, &colArray);
if (CborNoError != cborEncoderResult)
{
OC_LOG(ERROR, TAG, "Failed closing collection array.");
goto cbor_error;
}
cborEncoderResult = cbor_encoder_close_container(&encoder, &rootArray);
if (CborNoError != cborEncoderResult)
{
OC_LOG(ERROR, TAG, "Failed closing root array.");
goto cbor_error;
}
}
else if (payload->resources)
{
size_t resourceCount = OCDiscoveryPayloadGetResourceCount(payload);
err = err | cbor_encoder_create_array(&encoder, &rootArray, resourceCount);
for(size_t i = 0; i < resourceCount; ++i)
{
CborEncoder map;
OCResourcePayload* resource = OCDiscoveryPayloadGetResource(payload, i);
if(!resource)
{
OICFree(outPayload);
return OC_STACK_INVALID_PARAM;
}
err = err | cbor_encoder_create_map(&rootArray, &map, DISCOVERY_CBOR_RES_MAP_LEN);
// Device ID
err = err | cbor_encode_text_string(&map, OC_RSRVD_DEVICE_ID,
sizeof(OC_RSRVD_DEVICE_ID) - 1);
err = err | cbor_encode_byte_string(&map, resource->sid, UUID_SIZE);
{
CborEncoder linkArray;
err = err | cbor_encode_text_string(&map, OC_RSRVD_LINKS, sizeof(OC_RSRVD_LINKS) -1);
err = err | cbor_encoder_create_array(&map, &linkArray, CborIndefiniteLength);
// Link Map
{
CborEncoder linkMap;
err = err | cbor_encoder_create_map(&linkArray, &linkMap, DISCOVERY_CBOR_LINKS_MAP_LEN);
// Uri
err = err | AddTextStringToMap(&linkMap, OC_RSRVD_HREF,
sizeof(OC_RSRVD_HREF) - 1,
resource->uri);
// Resource Type
if (resource->types)
{
char* joinedTypes = OCStringLLJoin(resource->types);
if (joinedTypes)
{
err = err | cbor_encode_text_string(&linkMap, OC_RSRVD_RESOURCE_TYPE,
sizeof(OC_RSRVD_RESOURCE_TYPE) - 1);
err = err | cbor_encode_text_string(&linkMap, joinedTypes,
strlen(joinedTypes));
OICFree(joinedTypes);
}
else
{
return OC_STACK_NO_MEMORY;
}
}
// Interface Types
if (resource->interfaces)
{
char* joinedInterfaces = OCStringLLJoin(resource->interfaces);
if (joinedInterfaces)
{
err = err | cbor_encode_text_string(&linkMap, OC_RSRVD_INTERFACE,
sizeof(OC_RSRVD_INTERFACE) - 1);
err = err | cbor_encode_text_string(&linkMap, joinedInterfaces,
strlen(joinedInterfaces));
OICFree(joinedInterfaces);
}
else
{
return OC_STACK_NO_MEMORY;
}
}
// Policy
{
CborEncoder policyMap;
err = err | cbor_encode_text_string(&linkMap, OC_RSRVD_POLICY,
sizeof(OC_RSRVD_POLICY) - 1);
err = err | cbor_encoder_create_map(&linkMap, &policyMap, CborIndefiniteLength);
// Bitmap
err = err | cbor_encode_text_string(&policyMap, OC_RSRVD_BITMAP,
sizeof(OC_RSRVD_BITMAP) - 1);
err = err | cbor_encode_uint(&policyMap, resource->bitmap);
if(resource->secure)
{
err = err | cbor_encode_text_string(&policyMap, OC_RSRVD_SECURE,
sizeof(OC_RSRVD_SECURE) - 1);
err = err | cbor_encode_boolean(&policyMap, OC_RESOURCE_SECURE);
if(resource->port != 0)
{
err = err | cbor_encode_text_string(&policyMap, OC_RSRVD_HOSTING_PORT,
sizeof(OC_RSRVD_HOSTING_PORT) - 1);
err = err | cbor_encode_uint(&policyMap, resource->port);
}
}
err = err | cbor_encoder_close_container(&linkMap, &policyMap);
}
// Close
err = err | cbor_encoder_close_container(&linkArray, &linkMap);
}
err = err | cbor_encoder_close_container(&map, &linkArray);
}
err = err | cbor_encoder_close_container(&rootArray, &map);
}
// Close main array
err = err | cbor_encoder_close_container(&encoder, &rootArray);
}
return checkError(err, &encoder, outPayload, size);
cbor_error:
OICFree(outPayload);
return OC_STACK_ERROR;
}
static int64_t OCConvertDiscoveryPayload(OCDiscoveryPayload* payload, uint8_t* outPayload,
size_t* size)
{
CborEncoder encoder = {0};
int64_t err = 0;
size_t resourceCount = OCDiscoveryPayloadGetResourceCount(payload);
cbor_encoder_init(&encoder, outPayload, *size, 0);
CborEncoder rootArray;
err = err | cbor_encoder_create_array(&encoder, &rootArray, resourceCount);
for(size_t i = 0; i < resourceCount; ++i)
{
CborEncoder map;
OCResourcePayload* resource = OCDiscoveryPayloadGetResource(payload, i);
if(!resource)
{
return OC_STACK_INVALID_PARAM;
}
err = err | cbor_encoder_create_map(&rootArray, &map, 3);
// Uri
err = err | AddTextStringToMap(&map, OC_RSRVD_HREF,
sizeof(OC_RSRVD_HREF) - 1,
resource->uri);
// Server ID
err = err | cbor_encode_text_string(&map, OC_RSRVD_SERVER_INSTANCE_ID,
sizeof(OC_RSRVD_SERVER_INSTANCE_ID) - 1);
err = err | cbor_encode_byte_string(&map, resource->sid, UUID_SIZE);
// Prop Tag
{
CborEncoder propMap;
err = err | cbor_encode_text_string(&map, OC_RSRVD_PROPERTY,
sizeof(OC_RSRVD_PROPERTY) -1 );
err = err | cbor_encoder_create_map(&map, &propMap, 3);
// Resource Type
if (resource->types)
{
char* joinedTypes = OCStringLLJoin(resource->types);
if (joinedTypes)
{
err = err | cbor_encode_text_string(&propMap, OC_RSRVD_RESOURCE_TYPE,
sizeof(OC_RSRVD_RESOURCE_TYPE) - 1);
err = err | cbor_encode_text_string(&propMap, joinedTypes,
strlen(joinedTypes));
OICFree(joinedTypes);
}
else
{
return OC_STACK_NO_MEMORY;
}
}
// Interface Types
if (resource->interfaces)
{
char* joinedInterfaces = OCStringLLJoin(resource->interfaces);
if (joinedInterfaces)
{
err = err | cbor_encode_text_string(&propMap, OC_RSRVD_INTERFACE,
sizeof(OC_RSRVD_INTERFACE) - 1);
err = err | cbor_encode_text_string(&propMap, joinedInterfaces,
strlen(joinedInterfaces));
OICFree(joinedInterfaces);
}
else
{
return OC_STACK_NO_MEMORY;
}
}
// Policy
{
CborEncoder policyMap;
err = err | cbor_encode_text_string(&propMap, OC_RSRVD_POLICY,
sizeof(OC_RSRVD_POLICY) - 1);
err = err | cbor_encoder_create_map(&propMap, &policyMap, CborIndefiniteLength);
// Bitmap
err = err | cbor_encode_text_string(&policyMap, OC_RSRVD_BITMAP,
sizeof(OC_RSRVD_BITMAP) - 1);
err = err | cbor_encode_uint(&policyMap, resource->bitmap);
if(resource->secure)
{
err = err | cbor_encode_text_string(&policyMap, OC_RSRVD_SECURE,
sizeof(OC_RSRVD_SECURE) - 1);
err = err | cbor_encode_boolean(&policyMap, OC_RESOURCE_SECURE);
if(resource->port != 0)
{
err = err | cbor_encode_text_string(&policyMap, OC_RSRVD_HOSTING_PORT,
sizeof(OC_RSRVD_HOSTING_PORT) - 1);
err = err | cbor_encode_uint(&policyMap, resource->port);
}
}
err = err | cbor_encoder_close_container(&propMap, &policyMap);
}
// Close
err = err | cbor_encoder_close_container(&map, &propMap);
}
// Close Item
err = err | cbor_encoder_close_container(&rootArray, &map);
}
// Close main array
err = err | cbor_encoder_close_container(&encoder, &rootArray);
return checkError(err, &encoder, outPayload, size);
}