1 //******************************************************************
3 // Copyright 2016 Samsung Electronics 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 #include "NSConsumerDiscovery.h"
25 #include "NSConsumerCommon.h"
26 #include "NSConstants.h"
27 #include "ocpayload.h"
28 #include "oic_malloc.h"
29 #include "oic_string.h"
31 #define NS_DISCOVER_QUERY "/oic/res?rt=oic.r.notification"
32 #define NS_PRESENCE_SUBSCRIBE_QUERY "coap://224.0.1.187:5683/oic/ad?rt=oic.r.notification"
33 #define NS_PRESENCE_SUBSCRIBE_QUERY_TCP "/oic/ad?rt=oic.r.notification"
34 #define NS_GET_INFORMATION_QUERY "/notification?if=oic.if.notification"
36 NSProvider_internal * NSGetProvider(OCClientResponse * clientResponse);
38 OCStackApplicationResult NSConsumerPresenceListener(
39 void * ctx, OCDoHandle handle, OCClientResponse * clientResponse)
44 NS_VERIFY_NOT_NULL(clientResponse, OC_STACK_KEEP_TRANSACTION);
45 NS_VERIFY_STACK_OK(clientResponse->result, OC_STACK_KEEP_TRANSACTION);
47 NS_LOG_V(DEBUG, "Presence income : %s:%d",
48 clientResponse->devAddr.addr, clientResponse->devAddr.port);
49 NS_LOG_V(DEBUG, "Presence result : %d",
50 clientResponse->result);
51 NS_LOG_V(DEBUG, "Presence sequenceNum : %d",
52 clientResponse->sequenceNumber);
54 if (!NSIsStartedConsumer())
56 return OC_STACK_DELETE_TRANSACTION;
59 OCPresencePayload * payload = (OCPresencePayload *)clientResponse->payload;
60 if (payload->trigger == OC_PRESENCE_TRIGGER_DELETE ||
61 clientResponse->result == OC_STACK_PRESENCE_STOPPED)
63 // TODO find request and cancel
64 NS_LOG(DEBUG, "stopped presence or resource is deleted.");
65 //OCCancel(handle, NS_QOS, NULL, 0);
68 else if (payload->trigger == OC_PRESENCE_TRIGGER_CREATE)
70 NS_LOG(DEBUG, "started presence or resource is created.");
71 NSInvokeRequest(NULL, OC_REST_DISCOVER, clientResponse->addr,
72 NS_DISCOVER_QUERY, NULL, NSProviderDiscoverListener, NULL,
73 clientResponse->addr->adapter);
76 return OC_STACK_KEEP_TRANSACTION;
79 OCStackApplicationResult NSProviderDiscoverListener(
80 void * ctx, OCDoHandle handle, OCClientResponse * clientResponse)
85 NS_VERIFY_NOT_NULL(clientResponse, OC_STACK_KEEP_TRANSACTION);
86 NS_VERIFY_NOT_NULL(clientResponse->payload, OC_STACK_KEEP_TRANSACTION);
87 NS_VERIFY_STACK_OK(clientResponse->result, OC_STACK_KEEP_TRANSACTION);
89 NS_LOG_V(DEBUG, "Discover income : %s:%d",
90 clientResponse->devAddr.addr, clientResponse->devAddr.port);
91 NS_LOG_V(DEBUG, "Discover result : %d",
92 clientResponse->result);
93 NS_LOG_V(DEBUG, "Discover sequenceNum : %d",
94 clientResponse->sequenceNumber);
96 if (!NSIsStartedConsumer())
98 return OC_STACK_DELETE_TRANSACTION;
101 OCResourcePayload * resource = ((OCDiscoveryPayload *)clientResponse->payload)->resources;
104 if (strstr(resource->uri, NS_RESOURCE_URI))
106 NSInvokeRequest(NULL, OC_REST_GET, clientResponse->addr,
107 resource->uri, NULL, NSIntrospectProvider, NULL,
108 clientResponse->addr->adapter);
110 resource = resource->next;
113 return OC_STACK_KEEP_TRANSACTION;
116 void NSRemoveProviderObj(NSProvider_internal * provider)
118 NSOICFree(provider->messageUri);
119 NSOICFree(provider->syncUri);
121 provider->i_messageHandle = NULL;
122 provider->i_syncHandle = NULL;
123 NSOICFree(provider->i_addr);
128 OCStackApplicationResult NSIntrospectProvider(
129 void * ctx, OCDoHandle handle, OCClientResponse * clientResponse)
134 NS_VERIFY_NOT_NULL(clientResponse, OC_STACK_KEEP_TRANSACTION);
135 NS_VERIFY_STACK_OK(clientResponse->result, OC_STACK_KEEP_TRANSACTION);
137 NS_LOG_V(DEBUG, "GET response income : %s:%d",
138 clientResponse->devAddr.addr, clientResponse->devAddr.port);
139 NS_LOG_V(DEBUG, "GET response result : %d",
140 clientResponse->result);
141 NS_LOG_V(DEBUG, "GET response sequenceNum : %d",
142 clientResponse->sequenceNumber);
143 NS_LOG_V(DEBUG, "GET response resource uri : %s",
144 clientResponse->resourceUri);
146 if (!NSIsStartedConsumer())
148 return OC_STACK_DELETE_TRANSACTION;
151 NSProvider_internal * newProvider = NSGetProvider(clientResponse);
152 NS_VERIFY_NOT_NULL(newProvider, OC_STACK_KEEP_TRANSACTION);
154 NS_LOG(DEBUG, "build NSTask");
155 NSTask * task = NSMakeTask(TASK_CONSUMER_PROVIDER_DISCOVERED, (void *) newProvider);
156 NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(task, NS_ERROR, NSRemoveProviderObj(newProvider));
158 NSConsumerPushEvent(task);
160 return OC_STACK_KEEP_TRANSACTION;
163 void NSGetProviderPostClean(char * pId, char * mUri, char * sUri, OCDevAddr * addr)
171 NSProvider_internal * NSGetProvider(OCClientResponse * clientResponse)
173 NS_LOG(DEBUG, "create NSProvider");
174 NS_VERIFY_NOT_NULL(clientResponse->payload, NULL);
176 OCRepPayload * payload = (OCRepPayload *)clientResponse->payload;
179 NS_LOG_V(DEBUG, "Payload Key : %s", payload->values->name);
180 payload = payload->next;
183 payload = (OCRepPayload *)clientResponse->payload;
185 char * providerId = NULL;
186 char * messageUri = NULL;
187 char * syncUri = NULL;
188 int64_t accepter = 0;
189 OCDevAddr * addr = NULL;
191 NS_LOG(DEBUG, "get information of accepter");
192 bool getResult = OCRepPayloadGetPropInt(payload, NS_ATTRIBUTE_POLICY, & accepter);
193 NS_VERIFY_NOT_NULL(getResult == true ? (void *) 1 : NULL, NULL);
195 NS_LOG(DEBUG, "get provider ID");
196 getResult = OCRepPayloadGetPropString(payload, NS_ATTRIBUTE_PROVIDER_ID, & providerId);
197 NS_VERIFY_NOT_NULL(getResult == true ? (void *) 1 : NULL, NULL);
199 NS_LOG(DEBUG, "get message URI");
200 getResult = OCRepPayloadGetPropString(payload, NS_ATTRIBUTE_MESSAGE, & messageUri);
201 NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(getResult == true ? (void *) 1 : NULL, NULL,
202 NSGetProviderPostClean(providerId, messageUri, syncUri, addr));
204 NS_LOG(DEBUG, "get sync URI");
205 getResult = OCRepPayloadGetPropString(payload, NS_ATTRIBUTE_SYNC, & syncUri);
206 NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(getResult == true ? (void *) 1 : NULL, NULL,
207 NSGetProviderPostClean(providerId, messageUri, syncUri, addr));
209 NS_LOG(DEBUG, "get provider address");
210 addr = (OCDevAddr *)OICMalloc(sizeof(OCDevAddr));
211 NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(addr, NULL,
212 NSGetProviderPostClean(providerId, messageUri, syncUri, addr));
214 memcpy(addr, clientResponse->addr, sizeof(OCDevAddr));
216 NSProvider_internal * newProvider
217 = (NSProvider_internal *)OICMalloc(sizeof(NSProvider_internal));
218 NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(newProvider, NULL,
219 NSGetProviderPostClean(providerId, messageUri, syncUri, addr));
221 OICStrcpy(newProvider->providerId, sizeof(char) * NS_DEVICE_ID_LENGTH, providerId);
222 NSOICFree(providerId);
223 newProvider->messageUri = messageUri;
224 newProvider->syncUri = syncUri;
225 newProvider->accessPolicy = (NSAccessPolicy)accepter;
226 newProvider->i_addr = addr;
227 newProvider->i_messageHandle = NULL;
228 newProvider->i_syncHandle = NULL;
233 void NSConsumerDiscoveryTaskProcessing(NSTask * task)
235 NS_VERIFY_NOT_NULL_V(task);
237 NS_LOG_V(DEBUG, "Receive Event : %d", (int)task->taskType);
238 if (task->taskType == TASK_EVENT_CONNECTED || task->taskType == TASK_CONSUMER_REQ_DISCOVER)
240 OCDevAddr * addr = (OCDevAddr *) task->taskData;
242 NS_LOG(DEBUG, "Request discover [UDP]");
243 NSInvokeRequest(NULL, OC_REST_DISCOVER, addr, NS_DISCOVER_QUERY,
244 NULL, NSProviderDiscoverListener, NULL, addr->adapter);
246 else if (task->taskType == TASK_EVENT_CONNECTED_TCP)
248 NS_VERIFY_NOT_NULL_WITH_POST_CLEANING_V(task->taskData, NSOICFree(task));
249 OCDevAddr * addr = (OCDevAddr *) task->taskData;
251 NS_LOG(DEBUG, "Request discover [TCP]");
252 NSInvokeRequest(NULL, OC_REST_DISCOVER, addr, NS_DISCOVER_QUERY,
253 NULL, NSProviderDiscoverListener, NULL, addr->adapter);
255 NS_LOG(DEBUG, "Subscribe presence [TCP]");
256 NSInvokeRequest(NULL, OC_REST_PRESENCE, addr, NS_PRESENCE_SUBSCRIBE_QUERY_TCP,
257 NULL, NSConsumerPresenceListener, NULL, addr->adapter);
259 NSOICFree(task->taskData);
263 NS_LOG(ERROR, "Unknown type message");