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_TCP "/oic/ad?rt=oic.r.notification"
33 #define NS_GET_INFORMATION_QUERY "/notification?if=oic.if.notification"
35 NSProvider_internal * NSGetProvider(OCClientResponse * clientResponse);
37 OCDevAddr * NSChangeAddress(const char * address);
39 OCStackApplicationResult NSConsumerPresenceListener(
40 void * ctx, OCDoHandle handle, OCClientResponse * clientResponse)
45 NS_VERIFY_NOT_NULL(clientResponse, OC_STACK_KEEP_TRANSACTION);
46 NS_VERIFY_NOT_NULL(clientResponse->payload, OC_STACK_KEEP_TRANSACTION);
47 NS_VERIFY_STACK_SUCCESS(
48 NSOCResultToSuccess(clientResponse->result), OC_STACK_KEEP_TRANSACTION);
50 NS_LOG_V(DEBUG, "Presence income : %s:%d",
51 clientResponse->devAddr.addr, clientResponse->devAddr.port);
52 NS_LOG_V(DEBUG, "Presence result : %d",
53 clientResponse->result);
54 NS_LOG_V(DEBUG, "Presence sequenceNum : %d",
55 clientResponse->sequenceNumber);
56 NS_LOG_V(DEBUG, "Presence Transport Type : %d",
57 clientResponse->devAddr.adapter);
59 if (!NSIsStartedConsumer())
61 return OC_STACK_DELETE_TRANSACTION;
64 OCPresencePayload * payload = (OCPresencePayload *)clientResponse->payload;
65 if (payload->trigger == OC_PRESENCE_TRIGGER_DELETE ||
66 clientResponse->result == OC_STACK_PRESENCE_STOPPED)
68 NS_LOG(DEBUG, "stopped presence or resource is deleted.");
69 NS_LOG(DEBUG, "build NSTask");
70 OCDevAddr * addr = (OCDevAddr *)OICMalloc(sizeof(OCDevAddr));
71 NS_VERIFY_NOT_NULL(addr, OC_STACK_KEEP_TRANSACTION);
72 memcpy(addr, clientResponse->addr, sizeof(OCDevAddr));
74 NSTask * task = NSMakeTask(TASK_CONSUMER_PROVIDER_DELETED, addr);
75 NS_VERIFY_NOT_NULL(task, OC_STACK_KEEP_TRANSACTION);
77 NSConsumerPushEvent(task);
80 else if (payload->trigger == OC_PRESENCE_TRIGGER_CREATE)
82 NS_LOG(DEBUG, "started presence or resource is created.");
83 NSInvokeRequest(NULL, OC_REST_DISCOVER, clientResponse->addr,
84 NS_DISCOVER_QUERY, NULL, NSProviderDiscoverListener, NULL,
85 clientResponse->addr->adapter);
88 return OC_STACK_KEEP_TRANSACTION;
91 OCStackApplicationResult NSProviderDiscoverListener(
92 void * ctx, OCDoHandle handle, OCClientResponse * clientResponse)
96 NS_VERIFY_NOT_NULL(clientResponse, OC_STACK_KEEP_TRANSACTION);
97 NS_VERIFY_NOT_NULL(clientResponse->payload, OC_STACK_KEEP_TRANSACTION);
98 NS_VERIFY_STACK_SUCCESS(NSOCResultToSuccess(clientResponse->result), OC_STACK_KEEP_TRANSACTION);
100 NS_LOG_V(DEBUG, "Discover income : %s:%d",
101 clientResponse->devAddr.addr, clientResponse->devAddr.port);
102 NS_LOG_V(DEBUG, "Discover result : %d",
103 clientResponse->result);
104 NS_LOG_V(DEBUG, "Discover sequenceNum : %d",
105 clientResponse->sequenceNumber);
106 NS_LOG_V(DEBUG, "Discover Transport Type : %d",
107 clientResponse->devAddr.adapter);
109 if (!NSIsStartedConsumer())
111 return OC_STACK_DELETE_TRANSACTION;
114 OCResourcePayload * resource = ((OCDiscoveryPayload *)clientResponse->payload)->resources;
115 NS_LOG_V(DEBUG, "Discovered resource uri : %s",
119 NS_VERIFY_NOT_NULL(resource->uri, OC_STACK_KEEP_TRANSACTION);
120 if (strstr(resource->uri, NS_RESOURCE_URI))
122 OCConnectivityType type = CT_DEFAULT;
123 if (clientResponse->addr->adapter == OC_ADAPTER_TCP)
125 type = CT_ADAPTER_TCP;
128 NSInvokeRequest(NULL, OC_REST_GET, clientResponse->addr,
129 resource->uri, NULL, NSIntrospectProvider, ctx,
132 resource = resource->next;
135 return OC_STACK_KEEP_TRANSACTION;
138 OCStackApplicationResult NSIntrospectProvider(
139 void * ctx, OCDoHandle handle, OCClientResponse * clientResponse)
143 NS_VERIFY_NOT_NULL(clientResponse, OC_STACK_KEEP_TRANSACTION);
144 NS_VERIFY_STACK_SUCCESS(NSOCResultToSuccess(clientResponse->result), OC_STACK_KEEP_TRANSACTION);
146 NS_LOG_V(DEBUG, "GET response income : %s:%d",
147 clientResponse->devAddr.addr, clientResponse->devAddr.port);
148 NS_LOG_V(DEBUG, "GET response result : %d",
149 clientResponse->result);
150 NS_LOG_V(DEBUG, "GET response sequenceNum : %d",
151 clientResponse->sequenceNumber);
152 NS_LOG_V(DEBUG, "GET response resource uri : %s",
153 clientResponse->resourceUri);
154 NS_LOG_V(DEBUG, "GET response Transport Type : %d",
155 clientResponse->devAddr.adapter);
157 if (!NSIsStartedConsumer())
159 return OC_STACK_DELETE_TRANSACTION;
162 NSProvider_internal * newProvider = NSGetProvider(clientResponse);
163 NS_VERIFY_NOT_NULL(newProvider, OC_STACK_KEEP_TRANSACTION);
164 if (ctx && ctx == (void *)NS_DISCOVER_CLOUD )
166 newProvider->connection->isCloudConnection = true;
169 NS_LOG(DEBUG, "build NSTask");
170 NSTask * task = NSMakeTask(TASK_CONSUMER_PROVIDER_DISCOVERED, (void *) newProvider);
171 NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(task, NS_ERROR, NSRemoveProvider_internal(newProvider));
173 NSConsumerPushEvent(task);
175 return OC_STACK_KEEP_TRANSACTION;
178 void NSGetProviderPostClean(
179 char * pId, char * mUri, char * sUri, char * tUri, NSProviderConnectionInfo * connection)
185 NSRemoveConnections(connection);
188 NSProvider_internal * NSGetProvider(OCClientResponse * clientResponse)
190 NS_LOG(DEBUG, "create NSProvider");
191 NS_VERIFY_NOT_NULL(clientResponse->payload, NULL);
193 OCRepPayload * payload = (OCRepPayload *)clientResponse->payload;
196 NS_LOG_V(DEBUG, "Payload Key : %s", payload->values->name);
197 payload = payload->next;
200 payload = (OCRepPayload *)clientResponse->payload;
202 char * providerId = NULL;
203 char * messageUri = NULL;
204 char * syncUri = NULL;
205 char * topicUri = NULL;
206 int64_t accepter = 0;
207 NSProviderConnectionInfo * connection = NULL;
209 NS_LOG(DEBUG, "get information of accepter");
210 bool getResult = OCRepPayloadGetPropInt(payload, NS_ATTRIBUTE_POLICY, & accepter);
211 NS_VERIFY_NOT_NULL(getResult == true ? (void *) 1 : NULL, NULL);
213 NS_LOG(DEBUG, "get provider ID");
214 getResult = OCRepPayloadGetPropString(payload, NS_ATTRIBUTE_PROVIDER_ID, & providerId);
215 NS_VERIFY_NOT_NULL(getResult == true ? (void *) 1 : NULL, NULL);
217 NS_LOG(DEBUG, "get message URI");
218 getResult = OCRepPayloadGetPropString(payload, NS_ATTRIBUTE_MESSAGE, & messageUri);
219 NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(getResult == true ? (void *) 1 : NULL, NULL,
220 NSGetProviderPostClean(providerId, messageUri, syncUri, topicUri, connection));
222 NS_LOG(DEBUG, "get sync URI");
223 getResult = OCRepPayloadGetPropString(payload, NS_ATTRIBUTE_SYNC, & syncUri);
224 NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(getResult == true ? (void *) 1 : NULL, NULL,
225 NSGetProviderPostClean(providerId, messageUri, syncUri, topicUri, connection));
227 NS_LOG(DEBUG, "get topic URI");
228 getResult = OCRepPayloadGetPropString(payload, NS_ATTRIBUTE_TOPIC, & topicUri);
230 NS_LOG(DEBUG, "get provider connection information");
231 NS_VERIFY_NOT_NULL(clientResponse->addr, NULL);
232 connection = NSCreateProviderConnections(clientResponse->addr);
233 NS_VERIFY_NOT_NULL(connection, NULL);
235 NSProvider_internal * newProvider
236 = (NSProvider_internal *)OICMalloc(sizeof(NSProvider_internal));
237 NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(newProvider, NULL,
238 NSGetProviderPostClean(providerId, messageUri, syncUri, topicUri, connection));
240 OICStrcpy(newProvider->providerId, sizeof(char) * NS_DEVICE_ID_LENGTH, providerId);
241 NSOICFree(providerId);
242 newProvider->messageUri = messageUri;
243 newProvider->syncUri = syncUri;
244 newProvider->topicUri = NULL;
245 if (topicUri && strlen(topicUri) > 0)
247 newProvider->topicUri = topicUri;
249 newProvider->accessPolicy = (NSSelector)accepter;
250 newProvider->connection = connection;
251 newProvider->topicLL = NULL;
252 newProvider->state = NS_DISCOVERED;
257 OCDevAddr * NSChangeAddress(const char * address)
259 NS_VERIFY_NOT_NULL(address, NULL);
260 OCDevAddr * retAddr = NULL;
263 while(address[index] != '\0')
265 if (address[index] == ':')
272 if (address[index] == '\0')
278 uint16_t port = address[tmp++] - '0';
280 while(address[tmp] != '\0')
283 port += address[tmp++] - '0';
286 retAddr = (OCDevAddr *) OICMalloc(sizeof(OCDevAddr));
287 NS_VERIFY_NOT_NULL(retAddr, NULL);
289 retAddr->adapter = OC_ADAPTER_TCP;
290 OICStrcpy(retAddr->addr, index + 1, address);
291 retAddr->addr[index] = '\0';
292 retAddr->port = port;
293 retAddr->flags = OC_IP_USE_V6;
295 NS_LOG(DEBUG, "Change Address for TCP request");
296 NS_LOG_V(DEBUG, "Origin : %s", address);
297 NS_LOG_V(DEBUG, "Changed Addr : %s", retAddr->addr);
298 NS_LOG_V(DEBUG, "Changed Port : %d", retAddr->port);
303 void NSConsumerHandleRequestDiscover(OCDevAddr * address, NSConsumerDiscoverType rType)
305 OCConnectivityType type = CT_ADAPTER_IP;
306 NSConsumerDiscoverType * callbackData = NULL;
310 if (address->adapter == OC_ADAPTER_IP)
312 NS_LOG(DEBUG, "Request discover [UDP]");
314 else if (address->adapter == OC_ADAPTER_TCP)
316 type = CT_ADAPTER_TCP;
317 NS_LOG(DEBUG, "Request discover and subscribe presence [TCP]");
318 NS_LOG(DEBUG, "Subscribe presence [TCP]");
319 NSInvokeRequest(NULL, OC_REST_PRESENCE, address, NS_PRESENCE_SUBSCRIBE_QUERY_TCP,
320 NULL, NSConsumerPresenceListener, NULL, type);
322 if (rType == NS_DISCOVER_CLOUD)
324 callbackData = (void *) NS_DISCOVER_CLOUD;
329 NS_LOG_V(DEBUG, "Request discover But Adapter is not IP : %d", address->adapter);
334 NS_LOG(DEBUG, "Request Multicast discover [UDP]");
337 NSInvokeRequest(NULL, OC_REST_DISCOVER, address, NS_DISCOVER_QUERY,
338 NULL, NSProviderDiscoverListener, (void *)callbackData, type);
341 void NSConsumerDiscoveryTaskProcessing(NSTask * task)
343 NS_VERIFY_NOT_NULL_V(task);
345 NS_LOG_V(DEBUG, "Receive Event : %d", (int)task->taskType);
346 if (task->taskType == TASK_CONSUMER_REQ_DISCOVER)
348 char * address = (char *) task->taskData;
349 NSConsumerDiscoverType dType = NS_DISCOVER_DEFAULT;
351 OCDevAddr * addr = NULL;
354 addr = NSChangeAddress(address);
355 dType = NS_DISCOVER_CLOUD;
358 NSConsumerHandleRequestDiscover(addr, dType);
359 NSOICFree(task->taskData);
362 else if (task->taskType == TASK_EVENT_CONNECTED || task->taskType == TASK_EVENT_CONNECTED_TCP)
364 NSConsumerHandleRequestDiscover((OCDevAddr *) task->taskData, NS_DISCOVER_DEFAULT);
365 NSOICFree(task->taskData);
369 NS_LOG(ERROR, "Unknown type message");