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_STACK_SUCCESS(
47 NSOCResultToSuccess(clientResponse->result), OC_STACK_KEEP_TRANSACTION);
49 NS_LOG_V(DEBUG, "Presence income : %s:%d",
50 clientResponse->devAddr.addr, clientResponse->devAddr.port);
51 NS_LOG_V(DEBUG, "Presence result : %d",
52 clientResponse->result);
53 NS_LOG_V(DEBUG, "Presence sequenceNum : %d",
54 clientResponse->sequenceNumber);
55 NS_LOG_V(DEBUG, "Presence Transport Type : %d",
56 clientResponse->devAddr.adapter);
58 if (!NSIsStartedConsumer())
60 return OC_STACK_DELETE_TRANSACTION;
63 OCPresencePayload * payload = (OCPresencePayload *)clientResponse->payload;
64 if (payload->trigger == OC_PRESENCE_TRIGGER_DELETE ||
65 clientResponse->result == OC_STACK_PRESENCE_STOPPED)
67 // TODO find request and cancel
68 NS_LOG(DEBUG, "stopped presence or resource is deleted.");
69 //OCCancel(handle, NS_QOS, NULL, 0);
72 else if (payload->trigger == OC_PRESENCE_TRIGGER_CREATE)
74 NS_LOG(DEBUG, "started presence or resource is created.");
75 NSInvokeRequest(NULL, OC_REST_DISCOVER, clientResponse->addr,
76 NS_DISCOVER_QUERY, NULL, NSProviderDiscoverListener, NULL,
77 clientResponse->addr->adapter);
80 return OC_STACK_KEEP_TRANSACTION;
83 OCStackApplicationResult NSProviderDiscoverListener(
84 void * ctx, OCDoHandle handle, OCClientResponse * clientResponse)
88 NS_VERIFY_NOT_NULL(clientResponse, OC_STACK_KEEP_TRANSACTION);
89 NS_VERIFY_NOT_NULL(clientResponse->payload, OC_STACK_KEEP_TRANSACTION);
90 NS_VERIFY_STACK_SUCCESS(NSOCResultToSuccess(clientResponse->result), OC_STACK_KEEP_TRANSACTION);
92 NS_LOG_V(DEBUG, "Discover income : %s:%d",
93 clientResponse->devAddr.addr, clientResponse->devAddr.port);
94 NS_LOG_V(DEBUG, "Discover result : %d",
95 clientResponse->result);
96 NS_LOG_V(DEBUG, "Discover sequenceNum : %d",
97 clientResponse->sequenceNumber);
98 NS_LOG_V(DEBUG, "Discover Transport Type : %d",
99 clientResponse->devAddr.adapter);
101 if (!NSIsStartedConsumer())
103 return OC_STACK_DELETE_TRANSACTION;
106 OCResourcePayload * resource = ((OCDiscoveryPayload *)clientResponse->payload)->resources;
109 if (strstr(resource->uri, NS_RESOURCE_URI))
111 OCConnectivityType type = CT_DEFAULT;
112 if (clientResponse->addr->adapter == OC_ADAPTER_TCP)
114 type = CT_ADAPTER_TCP;
117 NSInvokeRequest(NULL, OC_REST_GET, clientResponse->addr,
118 resource->uri, NULL, NSIntrospectProvider, ctx,
121 resource = resource->next;
124 return OC_STACK_KEEP_TRANSACTION;
127 OCStackApplicationResult NSIntrospectProvider(
128 void * ctx, OCDoHandle handle, OCClientResponse * clientResponse)
132 NS_VERIFY_NOT_NULL(clientResponse, OC_STACK_KEEP_TRANSACTION);
133 NS_VERIFY_STACK_SUCCESS(NSOCResultToSuccess(clientResponse->result), OC_STACK_KEEP_TRANSACTION);
135 NS_LOG_V(DEBUG, "GET response income : %s:%d",
136 clientResponse->devAddr.addr, clientResponse->devAddr.port);
137 NS_LOG_V(DEBUG, "GET response result : %d",
138 clientResponse->result);
139 NS_LOG_V(DEBUG, "GET response sequenceNum : %d",
140 clientResponse->sequenceNumber);
141 NS_LOG_V(DEBUG, "GET response resource uri : %s",
142 clientResponse->resourceUri);
143 NS_LOG_V(DEBUG, "GET response Transport Type : %d",
144 clientResponse->devAddr.adapter);
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);
153 if (ctx && *((NSConsumerDiscoverType *)ctx) == NS_DISCOVER_CLOUD )
155 newProvider->connection->isCloudConnection = true;
159 NS_LOG(DEBUG, "build NSTask");
160 NSTask * task = NSMakeTask(TASK_CONSUMER_PROVIDER_DISCOVERED, (void *) newProvider);
161 NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(task, NS_ERROR, NSRemoveProvider(newProvider));
163 NSConsumerPushEvent(task);
165 return OC_STACK_KEEP_TRANSACTION;
168 void NSGetProviderPostClean(
169 char * pId, char * mUri, char * sUri, NSProviderConnectionInfo * connection)
174 NSRemoveConnections(connection);
177 NSProvider_internal * NSGetProvider(OCClientResponse * clientResponse)
179 NS_LOG(DEBUG, "create NSProvider");
180 NS_VERIFY_NOT_NULL(clientResponse->payload, NULL);
182 OCRepPayload * payload = (OCRepPayload *)clientResponse->payload;
185 NS_LOG_V(DEBUG, "Payload Key : %s", payload->values->name);
186 payload = payload->next;
189 payload = (OCRepPayload *)clientResponse->payload;
191 char * providerId = NULL;
192 char * messageUri = NULL;
193 char * syncUri = NULL;
194 int64_t accepter = 0;
195 NSProviderConnectionInfo * connection = NULL;
197 NS_LOG(DEBUG, "get information of accepter");
198 bool getResult = OCRepPayloadGetPropInt(payload, NS_ATTRIBUTE_POLICY, & accepter);
199 NS_VERIFY_NOT_NULL(getResult == true ? (void *) 1 : NULL, NULL);
201 NS_LOG(DEBUG, "get provider ID");
202 getResult = OCRepPayloadGetPropString(payload, NS_ATTRIBUTE_PROVIDER_ID, & providerId);
203 NS_VERIFY_NOT_NULL(getResult == true ? (void *) 1 : NULL, NULL);
205 NS_LOG(DEBUG, "get message URI");
206 getResult = OCRepPayloadGetPropString(payload, NS_ATTRIBUTE_MESSAGE, & messageUri);
207 NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(getResult == true ? (void *) 1 : NULL, NULL,
208 NSGetProviderPostClean(providerId, messageUri, syncUri, connection));
210 NS_LOG(DEBUG, "get sync URI");
211 getResult = OCRepPayloadGetPropString(payload, NS_ATTRIBUTE_SYNC, & syncUri);
212 NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(getResult == true ? (void *) 1 : NULL, NULL,
213 NSGetProviderPostClean(providerId, messageUri, syncUri, connection));
215 NS_LOG(DEBUG, "get provider connection information");
216 NS_VERIFY_NOT_NULL(clientResponse->addr, NULL);
217 connection = NSCreateProviderConnections(clientResponse->addr);
218 NS_VERIFY_NOT_NULL(connection, NULL);
220 NSProvider_internal * newProvider
221 = (NSProvider_internal *)OICMalloc(sizeof(NSProvider_internal));
222 NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(newProvider, NULL,
223 NSGetProviderPostClean(providerId, messageUri, syncUri, connection));
225 OICStrcpy(newProvider->providerId, sizeof(char) * NS_DEVICE_ID_LENGTH, providerId);
226 NSOICFree(providerId);
227 newProvider->messageUri = messageUri;
228 newProvider->syncUri = syncUri;
229 newProvider->accessPolicy = (NSSelector)accepter;
230 newProvider->connection = connection;
235 OCDevAddr * NSChangeAddress(const char * address)
237 NS_VERIFY_NOT_NULL(address, NULL);
238 OCDevAddr * retAddr = NULL;
241 while(address[index] != '\0')
243 if (address[index] == ':')
250 if (address[index] == '\0')
256 uint16_t port = address[tmp++];
258 while(address[tmp] != '\0')
261 port += address[tmp++] - '0';
264 retAddr = (OCDevAddr *) OICMalloc(sizeof(OCDevAddr));
265 NS_VERIFY_NOT_NULL(retAddr, NULL);
267 retAddr->adapter = OC_ADAPTER_TCP;
268 OICStrcpy(retAddr->addr, index - 1, address);
269 retAddr->addr[index] = '\0';
270 retAddr->port = port;
275 void NSConsumerHandleRequestDiscover(OCDevAddr * address, NSConsumerDiscoverType rType)
277 OCConnectivityType type = CT_DEFAULT;
278 NSConsumerDiscoverType * callbackData = NULL;
282 if (address->adapter == OC_ADAPTER_IP)
284 type = CT_ADAPTER_IP;
285 NS_LOG(DEBUG, "Request discover [UDP]");
287 else if (address->adapter == OC_ADAPTER_TCP)
289 type = CT_ADAPTER_TCP;
290 NS_LOG(DEBUG, "Request discover and subscribe presence [TCP]");
291 NS_LOG(DEBUG, "Subscribe presence [TCP]");
292 NSInvokeRequest(NULL, OC_REST_PRESENCE, address, NS_PRESENCE_SUBSCRIBE_QUERY_TCP,
293 NULL, NSConsumerPresenceListener, NULL, type);
295 if (rType == NS_DISCOVER_CLOUD)
297 callbackData = (NSConsumerDiscoverType *)OICMalloc(sizeof(NSConsumerDiscoverType));
298 *callbackData = NS_DISCOVER_CLOUD;
303 NS_LOG_V(DEBUG, "Request discover But Adapter is not IP : %d", address->adapter);
308 NS_LOG(DEBUG, "Request Multicast discover [UDP]");
311 NSInvokeRequest(NULL, OC_REST_DISCOVER, address, NS_DISCOVER_QUERY,
312 NULL, NSProviderDiscoverListener, (void *)callbackData, type);
315 void NSConsumerDiscoveryTaskProcessing(NSTask * task)
317 NS_VERIFY_NOT_NULL_V(task);
319 NS_LOG_V(DEBUG, "Receive Event : %d", (int)task->taskType);
320 if (task->taskType == TASK_CONSUMER_REQ_DISCOVER)
322 char * address = (char *) task->taskData;
323 NSConsumerDiscoverType dType = NS_DISCOVER_DEFAULT;
325 OCDevAddr * addr = NULL;
328 addr = NSChangeAddress(address);
329 dType = NS_DISCOVER_CLOUD;
332 NSConsumerHandleRequestDiscover(addr, dType);
333 NSOICFree(task->taskData);
336 else if (task->taskType == TASK_EVENT_CONNECTED || task->taskType == TASK_EVENT_CONNECTED_TCP)
338 NSConsumerHandleRequestDiscover((OCDevAddr *) task->taskData, NS_DISCOVER_DEFAULT);
339 NSOICFree(task->taskData);
343 NS_LOG(ERROR, "Unknown type message");