1 //******************************************************************
3 // Copyright 2014 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 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
24 #include "ocstackconfig.h"
32 //-----------------------------------------------------------------------------
34 //-----------------------------------------------------------------------------
36 //TODO: May want to refactor this in upcoming sprints.
37 //Don't want to expose to application layer that lower level stack is using CoAP.
39 /// Authority + URI string to prefix well known queries
40 #define OC_WELL_KNOWN_QUERY "224.0.1.187:5683/oic/res"
41 #define OC_MULTICAST_DISCOVERY_URI "/oic/res"
42 #define OC_EXPLICIT_DEVICE_DISCOVERY_URI "224.0.1.187:5683/oic/d?rt=core.led"
43 /// Multicast address and port string to prefix multicast queries
44 #define OC_MULTICAST_PREFIX "224.0.1.187:5683"
45 /// IP Multicast address to use for multicast requests
46 #define OC_MULTICAST_IP "224.0.1.187"
47 /// IP Multicast port to use for multicast requests
48 #define OC_MULTICAST_PORT 5683
51 #define OC_DEFAULT_PRESENCE_TTL_SECONDS (60)
52 /// OC_MAX_PRESENCE_TTL_SECONDS sets the maximum time to live (TTL) for presence.
53 /// NOTE: Changing the setting to a longer duration may lead to unsupported and untested
55 #define OC_MAX_PRESENCE_TTL_SECONDS (60 * 60 * 24) // 60 sec/min * 60 min/hr * 24 hr/day
56 #define OC_PRESENCE_URI "/oic/ad"
59 ///Separtor for multiple query string
60 #define OC_QUERY_SEPARATOR "&;"
63 * Attributes used to form a proper OIC conforming JSON message.
65 #define OC_RSRVD_OC "oic"
66 #define OC_RSRVD_PAYLOAD "payload"
67 #define OC_RSRVD_HREF "href"
68 #define OC_RSRVD_PROPERTY "prop"
69 #define OC_RSRVD_REPRESENTATION "rep"
70 #define OC_RSRVD_CONTENT_TYPE "ct"
71 #define OC_RSRVD_RESOURCE_TYPE "rt"
72 #define OC_RSRVD_RESOURCE_TYPE_PRESENCE "oic.wk.ad"
73 #define OC_RSRVD_INTERFACE "if"
76 #define OC_RSRVD_INTERFACE_DEFAULT "oic.if.baseline"
77 #define OC_RSRVD_INTERFACE_LL "oic.if.ll"
78 #define OC_RSRVD_INTERFACE_BATCH "oic.if.b"
79 #define OC_RSRVD_INTERFACE_GROUP "oic.mi.grp"
80 #define OC_RSRVD_MFG_DATE "mndt"
81 #define OC_RSRVD_FW_VERSION "mnfv"
82 #define OC_RSRVD_HOST_NAME "hn"
83 #define OC_RSRVD_VERSION "icv"
84 #define OC_RSRVD_OBSERVABLE "obs"
85 #define OC_RSRVD_SECURE "sec"
86 #define OC_RSRVD_HOSTING_PORT "port"
87 #define OC_RSRVD_SERVER_INSTANCE_ID "sid"
90 #define OC_RSRVD_PLATFORM_ID "pi"
91 #define OC_RSRVD_MFG_NAME "mnmn"
92 #define OC_RSRVD_MFG_URL "mnml"
93 #define OC_RSRVD_MODEL_NUM "mnmo"
94 #define OC_RSRVD_MFG_DATE "mndt"
95 #define OC_RSRVD_PLATFORM_VERSION "mnpv"
96 #define OC_RSRVD_OS_VERSION "mnos"
97 #define OC_RSRVD_HARDWARE_VERSION "mnhw"
98 #define OC_RSRVD_FIRMWARE_VERSION "mnfv"
99 #define OC_RSRVD_SUPPORT_URL "mnsl"
100 #define OC_RSRVD_SYSTEM_TIME "st"
101 //*******************
104 #define OC_RSRVD_DEVICE_ID "di"
105 #define OC_RSRVD_DEVICE_NAME "n"
106 #define OC_RSRVD_SPEC_VERSION "lcv"
107 #define OC_RSRVD_DATA_MODEL_VERSION "dmv"
109 #define OC_SPEC_VERSION "0.9.0"
110 #define OC_DATA_MODEL_VERSION "sec.0.95"
111 //*******************
114 //-----------------------------------------------------------------------------
116 //-----------------------------------------------------------------------------
119 * Data structure to encapsulate IPv4/IPv6/Contiki/lwIP device addresses.
121 typedef struct OCDevAddr
123 uint32_t size; ///< length of the address stored in addr field.
124 uint8_t addr[DEV_ADDR_SIZE_MAX]; ///< device address.
128 * OC Virtual resources supported by every OC device.
132 OC_WELL_KNOWN_URI= 0, ///< "/oic/res"
133 OC_DEVICE_URI, ///< "/oic/d"
134 OC_PLATFORM_URI, ///< "/oic/p"
135 OC_RESOURCE_TYPES_URI, ///< "/oic/res/d/type"
137 OC_PRESENCE, ///< "/oic/ad"
139 OC_MAX_VIRTUAL_RESOURCES ///<s Max items in the list
140 } OCVirtualResources;
143 * Standard RESTful HTTP Methods.
147 OC_REST_NOMETHOD = 0,
148 OC_REST_GET = (1 << 0), ///< Read
149 OC_REST_PUT = (1 << 1), ///< Write
150 OC_REST_POST = (1 << 2), ///< Update
151 OC_REST_DELETE = (1 << 3), ///< Delete
152 /// Register observe request for most up date notifications ONLY.
153 OC_REST_OBSERVE = (1 << 4),
154 /// Register observe request for all notifications, including stale notifications.
155 OC_REST_OBSERVE_ALL = (1 << 5),
156 /// Deregister observation, intended for internal use
157 OC_REST_CANCEL_OBSERVE = (1 << 6),
159 /// Subscribe for all presence notifications of a particular resource.
160 OC_REST_PRESENCE = (1 << 7)
165 * Host Mode of Operation.
175 * Quality of Service.
177 * OCQualityOfService attempts to abstract the guarantees provided by the underlying transport
178 * protocol. The precise definitions of each quality of service level depend on the
179 * implementation. In descriptions below are for the current implementation and may changed
184 /// Packet delivery is best effort
186 /// Packet delivery is best effort
188 /// Acknowledgements are used to confirm delivery
190 /// No Quality is defined, let the stack decide
192 } OCQualityOfService;
195 * Resource Properties.
197 * ::OC_ACTIVE When this bit is set, the resource is initialized, otherwise the resource
198 * is 'inactive'. 'inactive' signifies that the resource has been marked for
199 * deletion or is already deleted.
200 * ::OC_DISCOVERABLE When this bit is set, the resource is allowed to be discovered by clients.
201 * ::OC_OBSERVABLE When this bit is set, the resource is allowed to be observed by clients.
202 * ::OC_SLOW When this bit is set, the resource has been marked as 'slow'. 'slow' signifies
203 * that responses from this resource can expect delays in processing its
204 * requests from clients.
205 * ::OC_SECURE When this bit is set, the resource is a secure resource.
209 OC_ACTIVE = (1 << 0),
210 OC_DISCOVERABLE = (1 << 1),
211 OC_OBSERVABLE = (1 << 2),
214 } OCResourceProperty;
217 * Transport Protocol IDs.
221 OC_INVALID_ID = (1 << 0),
222 OC_COAP_ID = (1 << 1)
223 } OCTransportProtocolID;
234 OC_ALL // Multicast message: send over all the interfaces.
235 } OCConnectivityType;
238 * Declares Stack Results & Errors.
242 /* Success status code - START HERE */
244 OC_STACK_RESOURCE_CREATED,
245 OC_STACK_RESOURCE_DELETED,
247 /* Success status code - END HERE */
248 /* Error status code - START HERE */
249 OC_STACK_INVALID_URI = 20,
250 OC_STACK_INVALID_QUERY,
252 OC_STACK_INVALID_PORT,
253 OC_STACK_INVALID_CALLBACK,
254 OC_STACK_INVALID_METHOD,
255 OC_STACK_INVALID_PARAM,
256 OC_STACK_INVALID_OBSERVE_PARAM,
260 OC_STACK_ADAPTER_NOT_ENABLED,
262 OC_STACK_NO_RESOURCE, /* resource not found */
263 OC_STACK_RESOURCE_ERROR, /* ex: not supported method or interface */
264 OC_STACK_SLOW_RESOURCE,
265 OC_STACK_DUPLICATE_REQUEST,
266 OC_STACK_NO_OBSERVERS, /* resource has no registered observers */
267 OC_STACK_OBSERVER_NOT_FOUND,
268 OC_STACK_VIRTUAL_DO_NOT_HANDLE,
269 OC_STACK_INVALID_OPTION,
270 OC_STACK_MALFORMED_RESPONSE, /* the remote reply contained malformed data */
271 OC_STACK_PERSISTENT_BUFFER_REQUIRED,
272 OC_STACK_INVALID_REQUEST_HANDLE,
273 OC_STACK_INVALID_DEVICE_INFO,
274 OC_STACK_INVALID_JSON,
275 /* NOTE: Insert all new error codes here!*/
277 OC_STACK_PRESENCE_STOPPED = 128,
278 OC_STACK_PRESENCE_TIMEOUT,
279 OC_STACK_PRESENCE_DO_NOT_HANDLE,
282 /* Error status code - END HERE */
286 * Handle to an @ref OCDoResource invocation.
288 typedef void * OCDoHandle;
291 * Handle to an OCResource object owned by the OCStack.
293 typedef void * OCResourceHandle;
295 typedef void * OCRequestHandle;
298 * Unique identifier for each observation request. Used when observations are
299 * registered or deregistering. Used by entity handler to signal specific
300 * observers to be notified of resource changes.
301 * There can be maximum of 256 observations per server.
303 typedef uint8_t OCObservationId;
306 * Action associated with observation.
310 OC_OBSERVE_REGISTER = 0,
311 OC_OBSERVE_DEREGISTER = 1,
312 OC_OBSERVE_NO_OPTION = 2
317 // Action associated with observation request
318 OCObserveAction action;
319 // Identifier for observation being registered/deregistered
320 OCObservationId obsId;
324 * Possible returned values from entity handler.
330 OC_EH_RESOURCE_CREATED,
331 OC_EH_RESOURCE_DELETED,
334 OC_EH_RESOURCE_NOT_FOUND
335 } OCEntityHandlerResult;
338 * This structure will be used to define the vendor specific header options to be included
339 * in communication packets.
341 typedef struct OCHeaderOption
343 // The protocol ID this option applies to
344 OCTransportProtocolID protocolID;
345 // The header option ID which will be added to communication packets
348 uint16_t optionLength;
349 // pointer to its data
350 uint8_t optionData[MAX_HEADER_OPTION_DATA_LENGTH];
353 OCHeaderOption() = default;
354 OCHeaderOption(OCTransportProtocolID pid,
357 const uint8_t* optData)
363 // parameter includes the null terminator.
364 optionLength = optionLength < MAX_HEADER_OPTION_DATA_LENGTH ?
365 optionLength : MAX_HEADER_OPTION_DATA_LENGTH;
366 memcpy(optionData, optData, optionLength);
367 optionData[optionLength - 1] = '\0';
373 * Incoming requests handled by the server. Requests are passed in as a parameter to the
374 * @ref OCEntityHandler callback API.
375 * @brief The @ref OCEntityHandler callback API must be implemented in the application in order
376 * to receive these requests.
380 // Associated resource
381 OCResourceHandle resource;
382 OCRequestHandle requestHandle;
383 // the REST method retrieved from received request PDU
385 // resource query send by client
387 // Information associated with observation - valid only when OCEntityHandler
388 // flag includes OC_OBSERVE_FLAG
389 OCObservationInfo obsInfo;
390 // An array of the received vendor specific header options
391 uint8_t numRcvdVendorSpecificHeaderOptions;
392 OCHeaderOption * rcvdVendorSpecificHeaderOptions;
393 // reqJSON is retrieved from the payload of the received request PDU
394 char * reqJSONPayload;
395 } OCEntityHandlerRequest;
398 * Response from queries to remote servers. Queries are made by calling the @ref OCDoResource API.
402 /// Address of remote server
404 /// Indicates adaptor type on which the response was received
405 OCConnectivityType connType;
406 /// the is the result of our stack, OCStackResult should contain coap/other error codes;
407 OCStackResult result;
408 /// If associated with observe, this will represent the sequence of notifications from server.
409 uint32_t sequenceNumber;
410 /// resJSONPayload is retrieved from the payload of the received request PDU
411 const char * resJSONPayload;
412 /// An array of the received vendor specific header options
413 uint8_t numRcvdVendorSpecificHeaderOptions;
414 OCHeaderOption rcvdVendorSpecificHeaderOptions[MAX_HEADER_OPTIONS];
418 * This structure describes the platform properties. All non-Null properties will be included
419 * in a platform discovery request.
424 char *manufacturerName;
425 char *manufacturerUrl;
427 char *dateOfManufacture;
428 char *platformVersion;
429 char *operatingSystemVersion;
430 char *hardwareVersion;
431 char *firmwareVersion;
438 * This structure is expected as input for device properties.
439 * device name is mandatory and expected from the application.
440 * device id of type UUID will be generated by the stack.
450 // Request handle is passed to server via the entity handler for each incoming request.
451 // Stack assigns when request is received, server sets to indicate what request response is for
452 OCRequestHandle requestHandle;
454 OCResourceHandle resourceHandle;
455 // Allow the entity handler to pass a result with the response
456 OCEntityHandlerResult ehResult;
457 // this is the pointer to server payload data to be transferred
459 // size of server payload data. I don't think we should rely on null terminated data for size
460 uint16_t payloadSize;
461 // An array of the vendor specific header options the entity handler wishes to use in response
462 uint8_t numSendVendorSpecificHeaderOptions;
463 OCHeaderOption sendVendorSpecificHeaderOptions[MAX_HEADER_OPTIONS];
464 // URI of new resource that entity handler might create
465 char resourceUri[MAX_URI_LENGTH];
466 // Server sets to true for persistent response buffer, false for non-persistent response buffer
467 uint8_t persistentBufferFlag;
468 } OCEntityHandlerResponse;
472 OC_REQUEST_FLAG = (1 << 1),
473 OC_OBSERVE_FLAG = (1 << 2)
474 } OCEntityHandlerFlag; //entity_handler_flag_t ;
477 * Possible returned values from client application.
481 OC_STACK_DELETE_TRANSACTION = 0,//!< OC_STACK_DELETE_TRANSACTION
482 OC_STACK_KEEP_TRANSACTION //!< OC_STACK_KEEP_TRANSACTION
483 } OCStackApplicationResult;
485 //-----------------------------------------------------------------------------
486 // Callback function definitions
487 //-----------------------------------------------------------------------------
490 * Client applications implement this callback to consume responses received from Servers.
492 typedef OCStackApplicationResult (* OCClientResponseHandler)(void *context, OCDoHandle handle,
493 OCClientResponse * clientResponse);
496 * Client applications using a context pointer implement this callback to delete the
497 * context upon removal of the callback/context pointer from the internal callback-list.
499 typedef void (* OCClientContextDeleter)(void *context);
502 * This info is passed from application to OC Stack when initiating a request to Server.
504 typedef struct OCCallbackData
507 /// The pointer to a function the stack will call to handle the requests
508 OCClientResponseHandler cb;
509 /// A pointer to a function to delete the context when this callback is removed
510 OCClientContextDeleter cd;
512 OCCallbackData() = default;
513 OCCallbackData(void* ctx, OCClientResponseHandler callback, OCClientContextDeleter deleter)
514 :context(ctx), cb(callback), cd(deleter){}
519 * Application server implementations must implement this callback to consume requests OTA.
520 * Entity handler callback needs to fill the resPayload of the entityHandlerRequest.
522 typedef OCEntityHandlerResult (*OCEntityHandler)
523 (OCEntityHandlerFlag flag, OCEntityHandlerRequest * entityHandlerRequest);
526 * Device Entity handler need to use this call back instead of OCEntityHandler.
528 typedef OCEntityHandlerResult (*OCDeviceEntityHandler)
529 (OCEntityHandlerFlag flag, OCEntityHandlerRequest * entityHandlerRequest, char* uri);
533 #endif // __cplusplus
535 #endif /* OCTYPES_H_ */