1 /* ****************************************************************
3 * Copyright 2014 Samsung Electronics All Rights Reserved.
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 ******************************************************************/
23 * This file contains the common data structures between Resource , CA and adapters
31 #define HAVE_SYS_POLL_H
39 #ifdef HAVE_SYS_POLL_H
43 #ifdef HAVE_WINSOCK2_H
56 #define CA_IPADDR_SIZE 16
59 * Remote Access jabber ID length.
61 #define CA_RAJABBERID_SIZE 256
64 * Mac address length for BT port
66 #define CA_MACADDR_SIZE 18
69 * Max header options data length
71 #define CA_MAX_HEADER_OPTION_DATA_LENGTH 20
76 #define CA_MAX_TOKEN_LEN (8)
82 #define CA_MAX_URI_LENGTH 128 /* maximum size of URI for embedded platforms*/
84 #define CA_MAX_URI_LENGTH 512 /* maximum size of URI for other platforms*/
88 * Max PDU length supported
91 #define COAP_MAX_PDU_SIZE 320 /* maximum size of a CoAP PDU for embedded platforms*/
93 #define COAP_MAX_PDU_SIZE 1400 /* maximum size of a CoAP PDU for big platforms*/
97 #define CA_DEFAULT_BLOCK_SIZE CA_BLOCK_SIZE_1024_BYTE
101 *Maximum length of the remoteEndpoint identity
103 #define CA_MAX_ENDPOINT_IDENTITY_LEN (32)
106 * option types - the highest option number 63
108 #define CA_OPTION_IF_MATCH 1
109 #define CA_OPTION_ETAG 4
110 #define CA_OPTION_IF_NONE_MATCH 5
111 #define CA_OPTION_OBSERVE 6
112 #define CA_OPTION_LOCATION_PATH 8
113 #define CA_OPTION_URI_PATH 11
114 #define CA_OPTION_CONTENT_FORMAT 12
115 #define CA_OPTION_CONTENT_TYPE COAP_OPTION_CONTENT_FORMAT
116 #define CA_OPTION_MAXAGE 14
117 #define CA_OPTION_URI_QUERY 15
118 #define CA_OPTION_ACCEPT 17
119 #define CA_OPTION_LOCATION_QUERY 20
122 * Payload information from resource model
124 typedef uint8_t *CAPayload_t;
127 * URI for the OIC base.CA considers relative URI as the URI.
129 typedef char *CAURI_t;
132 * Token information for mapping the request and responses by resource model
134 typedef char *CAToken_t;
137 * Socket types and error definitions
139 #ifdef HAVE_WINSOCK2_H
140 # define OC_SOCKET_ERROR SOCKET_ERROR
141 # define OC_INVALID_SOCKET INVALID_SOCKET
142 typedef SOCKET CASocketFd_t;
143 #else // HAVE_WINSOCK2_H
144 # define OC_SOCKET_ERROR (-1)
145 # define OC_INVALID_SOCKET (-1)
146 typedef int CASocketFd_t;
150 * The following flags are the same as the equivalent OIC values in
151 * octypes.h, allowing direct copying with slight fixup.
152 * The CA layer should used the OC types when build allows that.
155 #define MAX_ADDR_STR_SIZE_CA (256)
158 * Max Address could be "coap+tcp://[xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:yyy.yyy.yyy.yyy]:xxxxx"
159 * Which is 64, +1 for null terminator => 65
160 * OCDevAddr (defined in OCTypes.h) must be the same
161 * as CAEndpoint_t (defined here)
163 #define MAX_ADDR_STR_SIZE_CA (65)
168 CA_DEFAULT_ADAPTER = 0,
170 // value zero indicates discovery
171 CA_ADAPTER_IP = (1 << 0), // IPv4 and IPv6, including 6LoWPAN
172 CA_ADAPTER_GATT_BTLE = (1 << 1), // GATT over Bluetooth LE
173 CA_ADAPTER_RFCOMM_BTEDR = (1 << 2), // RFCOMM over Bluetooth EDR
176 CA_ADAPTER_REMOTE_ACCESS = (1 << 3), // Remote Access over XMPP.
179 CA_ADAPTER_TCP = (1 << 4), // CoAP over TCP
180 CA_ADAPTER_NFC = (1 << 5), // NFC Adapter
182 CA_ALL_ADAPTERS = 0xffffffff
183 } CATransportAdapter_t;
187 CA_DEFAULT_FLAGS = 0,
189 // Insecure transport is the default (subject to change)
190 CA_SECURE = (1 << 4), // secure the transport path
191 // IPv4 & IPv6 autoselection is the default
192 CA_IPV6 = (1 << 5), // IP adapter only
193 CA_IPV4 = (1 << 6), // IP adapter only
194 // Indication that a message was received by multicast.
195 CA_MULTICAST = (1 << 7),
196 // Link-Local multicast is the default multicast scope for IPv6.
197 // These correspond in both value and position to the IPv6 address bits.
198 CA_SCOPE_INTERFACE = 0x1, // IPv6 Interface-Local scope
199 CA_SCOPE_LINK = 0x2, // IPv6 Link-Local scope (default)
200 CA_SCOPE_REALM = 0x3, // IPv6 Realm-Local scope
201 CA_SCOPE_ADMIN = 0x4, // IPv6 Admin-Local scope
202 CA_SCOPE_SITE = 0x5, // IPv6 Site-Local scope
203 CA_SCOPE_ORG = 0x8, // IPv6 Organization-Local scope
204 CA_SCOPE_GLOBAL = 0xE, // IPv6 Global scope
205 } CATransportFlags_t;
207 #define CA_IPFAMILY_MASK (CA_IPV6|CA_IPV4)
208 #define CA_SCOPE_MASK 0xf // mask scope bits above
211 * @enum CANetworkStatus_t
212 * Information about the network status.
216 CA_INTERFACE_DOWN, /**< Connection is not available */
217 CA_INTERFACE_UP /**< Connection is Available */
221 * remoteEndpoint identity
226 unsigned char id[CA_MAX_ENDPOINT_IDENTITY_LEN];
230 * @enum CAMessageType_t
231 * Message Type for Base source code
235 CA_MSG_CONFIRM = 0, /**< confirmable message (requires ACK/RST) */
236 CA_MSG_NONCONFIRM, /**< non-confirmable message (one-shot message) */
237 CA_MSG_ACKNOWLEDGE, /**< used to acknowledge confirmable messages */
238 CA_MSG_RESET /**< used to indicates not-interested or error (lack of context)in
244 * Allowed method to be used by resource model
248 CA_GET = 1, /**< GET Method */
249 CA_POST, /**< POST Method */
250 CA_PUT, /**< PUT Method */
251 CA_DELETE /**< DELETE Method */
256 * it depends on defined size in libCoAP.
260 CA_BLOCK_SIZE_16_BYTE = 0, /**< 16byte */
261 CA_BLOCK_SIZE_32_BYTE = 1, /**< 32byte */
262 CA_BLOCK_SIZE_64_BYTE = 2, /**< 64byte */
263 CA_BLOCK_SIZE_128_BYTE = 3, /**< 128byte */
264 CA_BLOCK_SIZE_256_BYTE = 4, /**< 256byte */
265 CA_BLOCK_SIZE_512_BYTE = 5, /**< 512byte */
266 CA_BLOCK_SIZE_1024_BYTE = 6 /**< 1Kbyte */
270 * Endpoint information for connectivities
271 * Must be identical to OCDevAddr.
275 CATransportAdapter_t adapter; // adapter type
276 CATransportFlags_t flags; // transport modifiers
277 uint16_t port; // for IP
278 char addr[MAX_ADDR_STR_SIZE_CA]; // address for all
279 uint32_t ifindex; // usually zero for default interface
280 #if defined (ROUTING_GATEWAY) || defined (ROUTING_EP)
281 char routeData[MAX_ADDR_STR_SIZE_CA]; /**< GatewayId:ClientId of
287 * Endpoint information for secure messages
291 CAEndpoint_t endpoint; /**< endpoint */
292 CARemoteId_t identity; /**< endpoint identity */
293 } CASecureEndpoint_t;
297 * Enums for CA return values
301 /* Result code - START HERE */
302 CA_STATUS_OK = 0, /**< Success */
303 CA_STATUS_INVALID_PARAM, /**< Invalid Parameter */
304 CA_ADAPTER_NOT_ENABLED, /**< Adapter is not enabled */
305 CA_SERVER_STARTED_ALREADY, /**< Server is started already */
306 CA_SERVER_NOT_STARTED, /**< Server is not started */
307 CA_DESTINATION_NOT_REACHABLE, /**< Destination is not reachable */
308 CA_SOCKET_OPERATION_FAILED, /**< Socket operation failed */
309 CA_SEND_FAILED, /**< Send request failed */
310 CA_RECEIVE_FAILED, /**< Receive failed */
311 CA_MEMORY_ALLOC_FAILED, /**< Memory allocation failed */
312 CA_REQUEST_TIMEOUT, /**< Request is Timeout */
313 CA_DESTINATION_DISCONNECTED, /**< Destination is disconnected */
314 CA_NOT_SUPPORTED, /**< Not supported */
315 CA_STATUS_NOT_INITIALIZED, /**< Not Initialized*/
316 CA_DTLS_AUTHENTICATION_FAILURE, /**< Decryption error in DTLS */
317 CA_STATUS_FAILED =255 /**< Failure */
318 /* Result code - END HERE */
322 * @enum CAResponseResult_t
323 * Enums for CA Response values
327 /* Response status code - START HERE */
328 CA_EMPTY = 0, /**< Empty */
329 CA_CREATED = 201, /**< Created */
330 CA_DELETED = 202, /**< Deleted */
331 CA_VALID = 203, /**< Valid */
332 CA_CHANGED = 204, /**< Changed */
333 CA_CONTENT = 205, /**< Content */
334 CA_CONTINUE = 231, /**< Continue */
335 CA_BAD_REQ = 400, /**< Bad Request */
336 CA_UNAUTHORIZED_REQ = 401, /**< Unauthorized Request */
337 CA_BAD_OPT = 402, /**< Bad Option */
338 CA_FORBIDDEN_REQ = 403, /**< Forbidden Request */
339 CA_NOT_FOUND = 404, /**< Not found */
340 CA_METHOD_NOT_ALLOWED = 405, /**< Method Not Allowed */
341 CA_NOT_ACCEPTABLE = 406, /**< Not Acceptable */
342 CA_REQUEST_ENTITY_INCOMPLETE = 408, /**< Request Entity Incomplete */
343 CA_REQUEST_ENTITY_TOO_LARGE = 413, /**< Request Entity Too Large */
344 CA_INTERNAL_SERVER_ERROR = 500, /**< Internal Server Error */
345 CA_RETRANSMIT_TIMEOUT = 504 /**< Retransmit timeout */
346 /* Response status code - END HERE */
347 } CAResponseResult_t;
350 * @enum CATransportProtocolID_t
351 * Transport Protocol IDs for additional options
355 CA_INVALID_ID = (1 << 0), /**< Invalid ID */
356 CA_COAP_ID = (1 << 1) /**< COAP ID */
357 } CATransportProtocolID_t;
360 * @enum CAAdapterState_t
361 * Adapter State to indicate the network changed notifications.
365 CA_ADAPTER_DISABLED, /**< Adapter is Disabled */
366 CA_ADAPTER_ENABLED /**< Adapter is Enabled */
370 * Format indicating which encoding has been used on the payload.
374 CA_FORMAT_UNDEFINED = 0, /**< Undefined enoding format */
375 CA_FORMAT_TEXT_PLAIN,
376 CA_FORMAT_APPLICATION_LINK_FORMAT,
377 CA_FORMAT_APPLICATION_XML,
378 CA_FORMAT_APPLICATION_OCTET_STREAM,
379 CA_FORMAT_APPLICATION_RDF_XML,
380 CA_FORMAT_APPLICATION_EXI,
381 CA_FORMAT_APPLICATION_JSON,
382 CA_FORMAT_APPLICATION_CBOR,
383 CA_FORMAT_UNSUPPORTED
387 * Header options structure to be filled
389 * This structure is used to hold header information.
393 CATransportProtocolID_t protocolID; /**< Protocol ID of the Option */
394 uint16_t optionID; /**< The header option ID which will be
395 added to communication packets */
396 uint16_t optionLength; /**< Option Length **/
397 char optionData[CA_MAX_HEADER_OPTION_DATA_LENGTH]; /**< Optional data values**/
401 * Base Information received
403 * This structure is used to hold request & response base information
407 CAMessageType_t type; /**< Qos for the request */
408 #ifdef ROUTING_GATEWAY
409 bool skipRetransmission; /**< Will not attempt retransmission even if type is CONFIRM.
410 Required for packet forwarding */
412 uint16_t messageId; /**< Message id.
413 * if message id is zero, it will generated by CA inside.
414 * otherwise, you can use it */
415 CAToken_t token; /**< Token for CA */
416 uint8_t tokenLength; /**< token length */
417 CAHeaderOption_t *options; /** Header Options for the request */
418 uint8_t numOptions; /**< Number of Header options */
419 CAPayload_t payload; /**< payload of the request */
420 size_t payloadSize; /**< size in bytes of the payload */
421 CAPayloadFormat_t payloadFormat; /**< encoding format of the request payload */
422 CAPayloadFormat_t acceptFormat; /**< accept format for the response payload */
423 CAURI_t resourceUri; /**< Resource URI information **/
424 CARemoteId_t identity; /**< endpoint identity */
428 * Request Information to be sent
430 * This structure is used to hold request information
434 CAMethod_t method; /**< Name of the Method Allowed */
435 CAInfo_t info; /**< Information of the request. */
436 bool isMulticast; /**< is multicast request */
440 * Response information received
442 * This structure is used to hold response information
446 CAResponseResult_t result; /**< Result for response by resource model */
447 CAInfo_t info; /**< Information of the response */
452 * Error information from CA
453 * contains error code and message information
455 * This structure holds error information
459 CAResult_t result; /**< CA API request result */
460 CAInfo_t info; /**< message information such as token and payload data
461 helpful to identify the error */
465 * Hold global variables for CA layer (also used by RI layer)
469 CASocketFd_t fd; /**< socket fd */
470 uint16_t port; /**< socket port */
473 #define HISTORYSIZE (4)
477 CATransportFlags_t flags;
479 char token[CA_MAX_TOKEN_LEN];
486 CAHistoryItem_t items[HISTORYSIZE];
490 * Hold interface index for keeping track of comings and goings
494 int32_t ifIndex; /**< network interface index */
498 * Hold the port number assigned from application.
499 * It will be used when creating a socket.
505 uint16_t u6; /**< unicast IPv6 socket port */
506 uint16_t u6s; /**< unicast IPv6 socket secure port */
507 uint16_t u4; /**< unicast IPv4 socket port */
508 uint16_t u4s; /**< unicast IPv4 socket secure port */
513 uint16_t u4; /**< unicast IPv4 socket port */
514 uint16_t u6; /**< unicast IPv6 socket port */
521 CATransportFlags_t clientFlags; /**< flag for client */
522 CATransportFlags_t serverFlags; /**< flag for server */
523 bool client; /**< client mode */
524 bool server; /**< server mode */
530 void *threadpool; /**< threadpool between Initialize and Start */
531 CASocket_t u6; /**< unicast IPv6 */
532 CASocket_t u6s; /**< unicast IPv6 secure */
533 CASocket_t u4; /**< unicast IPv4 */
534 CASocket_t u4s; /**< unicast IPv4 secure */
535 CASocket_t m6; /**< multicast IPv6 */
536 CASocket_t m6s; /**< multicast IPv6 secure */
537 CASocket_t m4; /**< multicast IPv4 */
538 CASocket_t m4s; /**< multicast IPv4 secure */
539 CASocketFd_t netlinkFd; /**< netlink */
541 WSAEVENT shutdownEvent; /**< Event used to signal threads to stop */
543 int shutdownFds[2]; /**< fds used to signal threads to stop */
545 int selectTimeout; /**< in seconds */
546 int maxfd; /**< highest fd (for select) */
547 bool started; /**< the IP adapter has started */
548 bool terminate; /**< the IP adapter needs to stop */
549 bool ipv6enabled; /**< IPv6 enabled by OCInit flags */
550 bool ipv4enabled; /**< IPv4 enabled by OCInit flags */
551 bool dualstack; /**< IPv6 and IPv4 enabled */
553 LPFN_WSARECVMSG wsaRecvMsg; /**< Win32 function pointer to WSARecvMsg() */
556 struct networkmonitors
558 CAIfItem_t *ifItems; /**< current network interface index list */
559 size_t sizeIfItems; /**< size of network interface index array */
560 size_t numIfItems; /**< number of valid network interfaces */
566 CAHistory_t requestHistory; /**< filter IP family in requests */
571 * Hold global variables for TCP Adapter.
575 void *threadpool; /**< threadpool between Initialize and Start */
576 CASocket_t ipv4; /**< IPv4 accept socket */
577 CASocket_t ipv6; /**< IPv6 accept socket */
578 void *svrlist; /**< unicast IPv4 TCP server information*/
579 int selectTimeout; /**< in seconds */
580 int listenBacklog; /**< backlog counts*/
581 int shutdownFds[2]; /**< shutdown pipe */
582 int connectionFds[2]; /**< connection pipe */
583 int maxfd; /**< highest fd (for select) */
584 bool started; /**< the TCP adapter has started */
585 bool terminate; /**< the TCP adapter needs to stop */
586 bool ipv4tcpenabled; /**< IPv4 TCP enabled by OCInit flags */
587 bool ipv6tcpenabled; /**< IPv6 TCP enabled by OCInit flags */
592 extern CAGlobals_t caglobals;
595 * Callback function type for request delivery.
596 * @param[out] object Endpoint object from which the request is received.
597 * It contains endpoint address based on the connectivity type.
598 * @param[out] requestInfo Info for resource model to understand about the request.
600 typedef void (*CARequestCallback)(const CAEndpoint_t *object,
601 const CARequestInfo_t *requestInfo);
604 * Callback function type for response delivery.
605 * @param[out] object Endpoint object from which the response is received.
606 * @param[out] responseInfo Identifier which needs to be mapped with response.
608 typedef void (*CAResponseCallback)(const CAEndpoint_t *object,
609 const CAResponseInfo_t *responseInfo);
611 * Callback function type for error.
612 * @param[out] object remote device information.
613 * @param[out] errorInfo CA Error information.
615 typedef void (*CAErrorCallback)(const CAEndpoint_t *object,
616 const CAErrorInfo_t *errorInfo);
619 * Callback function type for network status changes delivery from CA common logic.
620 * @param[out] info Endpoint object from which the network status is changed.
621 * It contains endpoint address based on the connectivity type.
622 * @param[out] status Current network status info.
624 typedef void (*CANetworkMonitorCallback)(const CAEndpoint_t *info, CANetworkStatus_t status);
630 #endif // CA_COMMON_H_