-//******************************************************************
+//*******************************************************************
//
// Copyright 2014 Intel Mobile Communications GmbH All Rights Reserved.
//
-//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
+//
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// See the License for the specific language governing permissions and
// limitations under the License.
//
-//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//
+// ******************************************************************/
+
+
+/**
+ * @file
+ *
+ * This file contains the definition and types for client's callback mode and functions.
+ *
+ */
+
#ifndef OC_CLIENT_CB
#define OC_CLIENT_CB
-#include <ocstack.h>
-#include <occoaptoken.h>
-#include <ocresource.h>
+#include "ocstack.h"
+
+#include "ocresource.h"
+#include "cacommon.h"
-typedef struct OCPresence {
- // This is the TTL associated with presence
+#ifdef WITH_PRESENCE
+/**
+ * Data structure For presence Discovery.
+ * This is the TTL associated with presence.
+ */
+typedef struct OCPresence
+{
+ /** Time to Live. */
uint32_t TTL;
+
+ /** Time out. */
uint32_t * timeOut;
+
+ /** TTL Level. */
uint32_t TTLlevel;
-}OCPresence;
+} OCPresence;
+#endif // WITH_PRESENCE
-typedef struct OCMulticastNode {
- unsigned char * uri;
- uint32_t nonce;
- struct OCMulticastNode * next;
-} OCMulticastNode;
+/**
+ * Forward declaration of resource type.
+ */
+typedef struct resourcetype_t OCResourceType;
-extern OCMulticastNode * mcPresenceNodes;
+
+/**
+ * Data structure for holding client's callback context, methods and Time to Live,
+ * connectivity Types, presence and resource type, request uri etc.
+ */
typedef struct ClientCB {
- // callback method defined in application address space
+ /** callback method defined in application address space. */
OCClientResponseHandler callBack;
- // callback context data
+
+ /** callback context data. */
void * context;
- // callback method to delete context data
+
+ /** callback method to delete context data. */
OCClientContextDeleter deleteCallback;
- // when a response is recvd with this token, above callback will be invoked
- OCCoAPToken token;
- // Invocation handle tied to original call to OCDoResource()
+
+ /** when a response is recvd with this token, above callback will be invoked. */
+ CAToken_t token;
+
+ /** a response is recvd with this token length.*/
+ uint8_t tokenLength;
+
+ /** Invocation handle tied to original call to OCDoResource().*/
OCDoHandle handle;
- // This is used to determine if all responses should be consumed or not.
- // (For now, only pertains to OC_REST_OBSERVE_ALL Vs. OC_REST_OBSERVE functionality)
+
+ /** This is used to determine if all responses should be consumed or not.
+ * (For now, only pertains to OC_REST_OBSERVE_ALL vs. OC_REST_OBSERVE functionality).*/
OCMethod method;
- // This is the sequence identifier the server applies to the invocation tied to 'handle'.
+
+ /** This is the sequence identifier the server applies to the invocation tied to 'handle'.*/
uint32_t sequenceNumber;
- // This is the request uri associated with the call back
- unsigned char * requestUri;
- // Struct to hold TTL info for presence
- #ifdef WITH_PRESENCE
+
+ /** The canonical form of the request uri associated with the call back.*/
+ char * requestUri;
+
+ /** Remote address complete.*/
+ OCDevAddr * devAddr;
+
+ /** Struct to hold TTL info for presence.*/
+
+#ifdef WITH_PRESENCE
OCPresence * presence;
OCResourceType * filterResourceType;
- #endif
- // next node in this list
+#endif
+
+ /** The connectivity type on which the request was sent on.*/
+ OCConnectivityType conType;
+
+ /** The TTL for this callback. Holds the time till when this callback can
+ * still be used. TTL is set to 0 when the callback is for presence and observe.
+ * Presence has ttl mechanism in the "presence" member of this struct and observes
+ * can be explicitly cancelled.*/
+ uint32_t TTL;
+
+ /** next node in this list.*/
struct ClientCB *next;
} ClientCB;
+/**
+ * Linked list of ClientCB node.
+ */
extern struct ClientCB *cbList;
-//-- AddClientCB -----------------------------------------------------------
/** @ingroup ocstack
*
* This method is used to add a client callback method in cbList.
*
- * @param[out] clientCB
- * The resulting node from making this call. Null if out of memory.
- * @param[in] cb
- * address to client callback function.
- * @param[in] token
- * identifier for OTA CoAP comms.
- * @param[in] handle
- * Masked in the public API as an 'invocation handle' - Used for callback management.
- * @param[in] requestUri
- * the resource uri of the request.
- * @param[in] resourceType
- * the resourceType associated with a presence request.
- *
- * @brief If the handle you're looking for does not exist, the stack will reply with a RST message.
- *
- * @retval OC_STACK_OK for Success, otherwise some error value
+ * @param[out] clientCB The resulting node from making this call. Null if out of memory.
+ * @param[in] cbData Address to client callback function.
+ * @param[in] token Identifier for OTA CoAP comms.
+ * @param[in] tokenLength Length for OTA CoAP comms.
+ * @param[in] handle masked in the public API as an 'invocation handle'
+ * Used for callback management.
+ * @param[in] method A method via which this client callback is expected to operate
+ * @param[in] devAddr The Device address.
+ * @param[in] requestUri The resource uri of the request.
+ * @param[in] resourceTypeName The resource type associated with a presence request.
+ * @param[in] ttl time to live in coap_ticks for the callback.
+ *
+ * @note If the handle you're looking for does not exist, the stack will reply with a RST message.
+ *
+ * @return OC_STACK_OK for Success, otherwise some error value.
*/
-//------------------------------------------------------------------------
OCStackResult AddClientCB(ClientCB** clientCB, OCCallbackData* cbData,
- OCCoAPToken * token, OCDoHandle *handle, OCMethod method,
- unsigned char * requestUri, unsigned char * resourceType);
+ CAToken_t token, uint8_t tokenLength,
+ OCDoHandle *handle, OCMethod method,
+ OCDevAddr *devAddr, char * requestUri,
+ char * resourceTypeName, uint32_t ttl);
-//-- DeleteClientCB -----------------------------------------------------------
/** @ingroup ocstack
*
* This method is used to remove a callback node from cbList.
*
- * @param[in] cbNode
- * address to client callback node.
+ * @param[in] cbNode Address to client callback node.
*/
-//------------------------------------------------------------------------
void DeleteClientCB(ClientCB *cbNode);
-//-- GetClientCB ---------------------------------------------------------
/** @ingroup ocstack
*
- * This method is used to search a cb node in cbList.
+ * This method is used to search and retrieve a cb node in cbList.
*
- * @param[in] token
- * token to search for.
- * @param[in] handle
- * handle to search for.
- * @param[in] requestUri
- * Uri to search for.
+ * @param[in] token Token to search for.
+ * @param[in] tokenLength The Length of the token.
+ * @param[in] handle Handle to search for.
+ * @param[in] requestUri Uri to search for.
*
- * @brief You can search by token OR by handle. Not both.
+ * @brief You can search by token OR by handle, but not both.
*
- * @retval address of the node if found, otherwise NULL
+ * @return address of the node if found, otherwise NULL
*/
-//------------------------------------------------------------------------
-ClientCB* GetClientCB(OCCoAPToken * token, OCDoHandle handle, const unsigned char * requestUri);
-
+ClientCB* GetClientCB(const CAToken_t token, uint8_t tokenLength,
+ OCDoHandle handle, const char * requestUri);
+#ifdef WITH_PRESENCE
/**
- * Inserts a new resource type filter into this clientCB node.
+ * Inserts a new resource type filter into this cb node.
*
- * @param cbNode - the node to add the new resourceType filter to
- * @param resourceTypeName - the value to create the new resourceType filter from
+ * @param[in] cbNode the node to add the new resourceType filter to.
+ * @param[in] resourceTypeName the value to create the new resourceType filter from.
*
* @return
* OC_STACK_OK on success
* OC_STACK_ERROR with invalid parameters
* OC_STACK_NO_MEMORY when out of memory
*/
-#ifdef WITH_PRESENCE
-OCStackResult InsertResourceTypeFilter(ClientCB * cbNode, const char * resourceTypeName);
+
+OCStackResult InsertResourceTypeFilter(ClientCB * cbNode, char * resourceTypeName);
#endif // WITH_PRESENCE
-//-- DeleteClientCBList --------------------------------------------------
/** @ingroup ocstack
*
* This method is used to clear the cbList.
*
*/
-//------------------------------------------------------------------------
void DeleteClientCBList();
-//-- FindAndDeleteClientCB -----------------------------------------------
/** @ingroup ocstack
*
* This method is used to verify the presence of a cb node in cbList
* and then delete it.
*
- * @param[in] cbNode
- * address to client callback node.
+ * @param[in] cbNode Address to client callback node.
*/
-//------------------------------------------------------------------------
void FindAndDeleteClientCB(ClientCB * cbNode);
-/** @ingroup ocstack
- *
- * This method is used to search a multicast presence node from list.
- *
- * @param[in] uri
- * the uri of the request.
- *
- * @return OCMulticastNode
- * The resulting node from making this call. Null if doesn't exist.
- */
-//------------------------------------------------------------------------
-OCMulticastNode* GetMCPresenceNode(const unsigned char * uri);
-
-/** @ingroup ocstack
- *
- * This method is used to add a multicast presence node to the list.
- *
- * @param[out] outnode
- * The resulting node from making this call. Null if out of memory.
- * @param[in] uri
- * the uri of the server.
- * @param[in] nonce
- * current nonce for the server
- *
- * @return OC_STACK_OK for Success, otherwise some error value
- */
-//------------------------------------------------------------------------
-OCStackResult AddMCPresenceNode(OCMulticastNode** outnode, unsigned char* uri, uint32_t nonce);
-
#endif //OC_CLIENT_CB
+
projects / platform / upstream / iotivity.git / blobdiff