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 ","
39 #define OC_KEY_VALUE_DELIMITER "="
42 * Static values for various JSON attributes.
44 #define OC_RESOURCE_OBSERVABLE 1
45 #define OC_RESOURCE_SECURE 1
48 * The type of query a request/response message is.
52 STACK_RES_DISCOVERY_NOFILTER = 0,
53 STACK_RES_DISCOVERY_IF_FILTER,
54 STACK_RES_DISCOVERY_RT_FILTER,
55 STACK_DEVICE_DISCOVERY_DI_FILTER,
56 STACK_DEVICE_DISCOVERY_DN_FILTER
60 * The type of handling required to handle a request.
64 OC_RESOURCE_VIRTUAL = 0,
65 OC_RESOURCE_NOT_COLLECTION_WITH_ENTITYHANDLER,
66 OC_RESOURCE_NOT_COLLECTION_DEFAULT_ENTITYHANDLER,
67 OC_RESOURCE_COLLECTION_WITH_ENTITYHANDLER,
68 OC_RESOURCE_COLLECTION_DEFAULT_ENTITYHANDLER,
69 OC_RESOURCE_DEFAULT_DEVICE_ENTITYHANDLER,
70 OC_RESOURCE_NOT_SPECIFIED
74 * Default entity handler (ie. callback) to be used for resources with
77 OCEntityHandlerResult defaultResourceEHandler(OCEntityHandlerFlag flag,
78 OCEntityHandlerRequest * request, void* callbackParam);
81 * Get string value associated with a virtual resource type.
83 const char * GetVirtualResourceUri(OCVirtualResources resource);
86 * Find and retrieve pointer to a resource associated with a specific resource
89 OCResource *FindResourceByUri(const char* resourceUri);
92 * Returns true if the specificed resource URI aligns with a pre-existing
93 * virtual resource; returns false otherwise.
95 bool IsVirtualResource(const char* resourceUri);
98 * Parameter @ref handling returns by-reference the type of resource handling
99 * required by the internal stack based on the specified @ref request.
101 OCStackResult DetermineResourceHandling (const OCServerRequest *request,
102 ResourceHandling *handling,
103 OCResource **resource);
106 * Processes the specified @ref request based on the type of resource handling
109 OCStackResult ProcessRequest(ResourceHandling resHandling,
110 OCResource *resource,
111 OCServerRequest *request);
114 * Internal API used to save all of the platform's information for use in platform
115 * discovery requests.
117 OCStackResult SavePlatformInfo(OCPlatformInfo info);
120 * Internal API used to save all of the device's information for use in platform
121 * discovery requests.
122 * The device name is received from the appliation.
123 * The deviceID, spec version and data model verson are initialized by the stack.
125 OCStackResult SaveDeviceInfo(OCDeviceInfo info);
128 * Internal API used to clear the platform information.
130 void DeletePlatformInfo();
133 * Internal API used to clear the device information.
135 void DeleteDeviceInfo();
138 * Prepares a JSON string for response.
140 OCStackResult BuildVirtualResourceResponse(const OCResource *resourcePtr,
143 CATransportAdapter_t adapter);
146 * A helper function that Maps an @ref OCEntityHandlerResult type to an
147 * @ref OCStackResult type.
149 OCStackResult EntityHandlerCodeToOCStackCode(OCEntityHandlerResult ehResult);
151 #endif //OC_RESOURCEHANDLER_H