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 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
21 #ifndef OC_RESOURCEHANDLER_H
22 #define OC_RESOURCEHANDLER_H
25 #include "ocstackinternal.h"
26 #include "ocserverrequest.h"
29 * Common JSON string components used by the stack to build JSON strings.
30 * These details are exposed in ocstackconfig.h file in the form of documentation.
31 * Remember to update the documentation there if these are changed.
33 #define OC_JSON_PREFIX "{\"oic\":["
34 #define OC_JSON_PREFIX_LEN (sizeof(OC_JSON_PREFIX) - 1)
35 #define OC_JSON_SUFFIX "]}"
36 #define OC_JSON_SUFFIX_LEN (sizeof(OC_JSON_SUFFIX) - 1)
37 #define OC_JSON_SEPARATOR ','
38 #define OC_JSON_SEPARATOR_STR ","
41 * Static values for various JSON attributes.
43 #define OC_RESOURCE_OBSERVABLE 1
44 #define OC_RESOURCE_SECURE 1
47 * The type of query a request/response message is.
51 STACK_RES_DISCOVERY_NOFILTER = 0,
52 STACK_RES_DISCOVERY_IF_FILTER,
53 STACK_RES_DISCOVERY_RT_FILTER,
54 STACK_DEVICE_DISCOVERY_DI_FILTER,
55 STACK_DEVICE_DISCOVERY_DN_FILTER
59 * The type of handling required to handle a request.
63 OC_RESOURCE_VIRTUAL = 0,
64 OC_RESOURCE_NOT_COLLECTION_WITH_ENTITYHANDLER,
65 OC_RESOURCE_NOT_COLLECTION_DEFAULT_ENTITYHANDLER,
66 OC_RESOURCE_COLLECTION_WITH_ENTITYHANDLER,
67 OC_RESOURCE_COLLECTION_DEFAULT_ENTITYHANDLER,
68 OC_RESOURCE_DEFAULT_DEVICE_ENTITYHANDLER,
69 OC_RESOURCE_NOT_SPECIFIED
73 * Default entity handler (ie. callback) to be used for resources with
76 OCEntityHandlerResult defaultResourceEHandler(OCEntityHandlerFlag flag,
77 OCEntityHandlerRequest * request);
80 * Get string value associated with a virtual resource type.
82 const char * GetVirtualResourceUri(OCVirtualResources resource);
85 * Find and retrieve pointer to a resource associated with a specific resource
88 OCResource *FindResourceByUri(const char* resourceUri);
91 * Returns true if the specificed resource URI aligns with a pre-existing
92 * virtual resource; returns false otherwise.
94 bool IsVirtualResource(const char* resourceUri);
97 * Parameter @ref handling returns by-reference the type of resource handling
98 * required by the internal stack based on the specified @ref request.
100 OCStackResult DetermineResourceHandling (const OCServerRequest *request,
101 ResourceHandling *handling,
102 OCResource **resource);
105 * Processes the specified @ref request based on the type of resource handling
108 OCStackResult ProcessRequest(ResourceHandling resHandling,
109 OCResource *resource,
110 OCServerRequest *request);
113 * Internal API used to save all of the platform's information for use in platform
114 * discovery requests.
116 OCStackResult SavePlatformInfo(OCPlatformInfo info);
119 * Internal API used to clear the platform information.
121 void DeletePlatformInfo();
124 * Internal API used to clear the device information.
126 void DeleteDeviceInfo();
129 * Prepares a JSON string for response.
131 OCStackResult BuildVirtualResourceResponse(const OCResource *resourcePtr,
133 const char *filterValue,
136 CATransportType_t connType);
139 * A helper function that Maps an @ref OCEntityHandlerResult type to an
140 * @ref OCStackResult type.
142 OCStackResult EntityHandlerCodeToOCStackCode(OCEntityHandlerResult ehResult);
144 #endif //OC_RESOURCEHANDLER_H