Merge branch 'master' into notification-service
[platform/upstream/iotivity.git] / service / notification / src / consumer / NSConsumerDiscovery.c
1 //******************************************************************
2 //
3 // Copyright 2016 Samsung Electronics All Rights Reserved.
4 //
5 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
6 //
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
10 //
11 //      http://www.apache.org/licenses/LICENSE-2.0
12 //
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.
18 //
19 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
20
21 #include "NSConsumerDiscovery.h"
22
23 #include <string.h>
24 #include "NSCommon.h"
25 #include "NSConsumerCommon.h"
26 #include "NSConstants.h"
27 #include "ocpayload.h"
28 #include "oic_malloc.h"
29 #include "oic_string.h"
30
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"
34
35 NSProvider_internal * NSGetProvider(OCClientResponse * clientResponse);
36
37 OCDevAddr * NSChangeAddress(const char * address);
38
39 OCStackApplicationResult NSConsumerPresenceListener(
40         void * ctx, OCDoHandle handle, OCClientResponse * clientResponse)
41 {
42     (void) ctx;
43     (void) handle;
44
45     NS_VERIFY_NOT_NULL(clientResponse, OC_STACK_KEEP_TRANSACTION);
46     NS_VERIFY_STACK_SUCCESS(
47             NSOCResultToSuccess(clientResponse->result), OC_STACK_KEEP_TRANSACTION);
48
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);
57
58     if (!NSIsStartedConsumer())
59     {
60         return OC_STACK_DELETE_TRANSACTION;
61     }
62
63     OCPresencePayload * payload = (OCPresencePayload *)clientResponse->payload;
64     if (payload->trigger == OC_PRESENCE_TRIGGER_DELETE ||
65             clientResponse->result == OC_STACK_PRESENCE_STOPPED)
66     {
67         // TODO find request and cancel
68         NS_LOG(DEBUG, "stopped presence or resource is deleted.");
69         //OCCancel(handle, NS_QOS, NULL, 0);
70     }
71
72     else if (payload->trigger == OC_PRESENCE_TRIGGER_CREATE)
73     {
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);
78     }
79
80     return OC_STACK_KEEP_TRANSACTION;
81 }
82
83 OCStackApplicationResult NSProviderDiscoverListener(
84         void * ctx, OCDoHandle handle, OCClientResponse * clientResponse)
85 {
86     (void) handle;
87
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);
91
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);
100
101     if (!NSIsStartedConsumer())
102     {
103         return OC_STACK_DELETE_TRANSACTION;
104     }
105
106     OCResourcePayload * resource = ((OCDiscoveryPayload *)clientResponse->payload)->resources;
107     while (resource)
108     {
109         if (strstr(resource->uri, NS_RESOURCE_URI))
110         {
111             OCConnectivityType type = CT_DEFAULT;
112             if (clientResponse->addr->adapter == OC_ADAPTER_TCP)
113             {
114                 type = CT_ADAPTER_TCP;
115             }
116
117             NSInvokeRequest(NULL, OC_REST_GET, clientResponse->addr,
118                     resource->uri, NULL, NSIntrospectProvider, ctx,
119                     type);
120         }
121         resource = resource->next;
122     }
123
124     return OC_STACK_KEEP_TRANSACTION;
125 }
126
127 OCStackApplicationResult NSIntrospectProvider(
128         void * ctx, OCDoHandle handle, OCClientResponse * clientResponse)
129 {
130     (void) handle;
131
132     NS_VERIFY_NOT_NULL(clientResponse, OC_STACK_KEEP_TRANSACTION);
133     NS_VERIFY_STACK_SUCCESS(NSOCResultToSuccess(clientResponse->result), OC_STACK_KEEP_TRANSACTION);
134
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);
145
146     if (!NSIsStartedConsumer())
147     {
148         return OC_STACK_DELETE_TRANSACTION;
149     }
150
151     NSProvider_internal * newProvider = NSGetProvider(clientResponse);
152     NS_VERIFY_NOT_NULL(newProvider, OC_STACK_KEEP_TRANSACTION);
153     if (ctx && *((NSConsumerDiscoverType *)ctx) == NS_DISCOVER_CLOUD )
154     {
155         newProvider->connection->isCloudConnection = true;
156         NSOICFree(ctx);
157     }
158
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));
162
163     NSConsumerPushEvent(task);
164
165     return OC_STACK_KEEP_TRANSACTION;
166 }
167
168 void NSGetProviderPostClean(
169         char * pId, char * mUri, char * sUri, NSProviderConnectionInfo * connection)
170 {
171     NSOICFree(pId);
172     NSOICFree(mUri);
173     NSOICFree(sUri);
174     NSRemoveConnections(connection);
175 }
176
177 NSProvider_internal * NSGetProvider(OCClientResponse * clientResponse)
178 {
179     NS_LOG(DEBUG, "create NSProvider");
180     NS_VERIFY_NOT_NULL(clientResponse->payload, NULL);
181
182     OCRepPayload * payload = (OCRepPayload *)clientResponse->payload;
183     while (payload)
184     {
185         NS_LOG_V(DEBUG, "Payload Key : %s", payload->values->name);
186         payload = payload->next;
187     }
188
189     payload = (OCRepPayload *)clientResponse->payload;
190
191     char * providerId = NULL;
192     char * messageUri = NULL;
193     char * syncUri = NULL;
194     int64_t accepter = 0;
195     NSProviderConnectionInfo * connection = NULL;
196
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);
200
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);
204
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));
209
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));
214
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);
219
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));
224
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;
231
232     return newProvider;
233 }
234
235 OCDevAddr * NSChangeAddress(const char * address)
236 {
237     NS_VERIFY_NOT_NULL(address, NULL);
238     OCDevAddr * retAddr = NULL;
239
240     int index = 0;
241     while(address[index] != '\0')
242     {
243         if (address[index] == ':')
244         {
245             break;
246         }
247         index++;
248     }
249
250     if (address[index] == '\0')
251     {
252         return NULL;
253     }
254
255     int tmp = index + 1;
256     uint16_t port = address[tmp++];
257
258     while(address[tmp] != '\0')
259     {
260         port *= 10;
261         port += address[tmp++] - '0';
262     }
263
264     retAddr = (OCDevAddr *) OICMalloc(sizeof(OCDevAddr));
265     NS_VERIFY_NOT_NULL(retAddr, NULL);
266
267     retAddr->adapter = OC_ADAPTER_TCP;
268     OICStrcpy(retAddr->addr, index - 1, address);
269     retAddr->addr[index] = '\0';
270     retAddr->port = port;
271
272     return retAddr;
273 }
274
275 void NSConsumerHandleRequestDiscover(OCDevAddr * address, NSConsumerDiscoverType rType)
276 {
277     OCConnectivityType type = CT_DEFAULT;
278     NSConsumerDiscoverType * callbackData = NULL;
279
280     if (address)
281     {
282         if (address->adapter == OC_ADAPTER_IP)
283         {
284             type = CT_ADAPTER_IP;
285             NS_LOG(DEBUG, "Request discover [UDP]");
286         }
287         else if (address->adapter == OC_ADAPTER_TCP)
288         {
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);
294
295             if (rType == NS_DISCOVER_CLOUD)
296             {
297                 callbackData = (NSConsumerDiscoverType *)OICMalloc(sizeof(NSConsumerDiscoverType));
298                 *callbackData = NS_DISCOVER_CLOUD;
299             }
300         }
301         else
302         {
303             NS_LOG_V(DEBUG, "Request discover But Adapter is not IP : %d", address->adapter);
304         }
305     }
306     else
307     {
308         NS_LOG(DEBUG, "Request Multicast discover [UDP]");
309     }
310
311     NSInvokeRequest(NULL, OC_REST_DISCOVER, address, NS_DISCOVER_QUERY,
312             NULL, NSProviderDiscoverListener, (void *)callbackData, type);
313 }
314
315 void NSConsumerDiscoveryTaskProcessing(NSTask * task)
316 {
317     NS_VERIFY_NOT_NULL_V(task);
318
319     NS_LOG_V(DEBUG, "Receive Event : %d", (int)task->taskType);
320     if (task->taskType == TASK_CONSUMER_REQ_DISCOVER)
321     {
322         char * address = (char *) task->taskData;
323         NSConsumerDiscoverType dType = NS_DISCOVER_DEFAULT;
324
325         OCDevAddr * addr = NULL;
326         if (address)
327         {
328             addr = NSChangeAddress(address);
329             dType = NS_DISCOVER_CLOUD;
330         }
331
332         NSConsumerHandleRequestDiscover(addr, dType);
333         NSOICFree(task->taskData);
334         NSOICFree(addr);
335     }
336     else if (task->taskType == TASK_EVENT_CONNECTED || task->taskType == TASK_EVENT_CONNECTED_TCP)
337     {
338         NSConsumerHandleRequestDiscover((OCDevAddr *) task->taskData, NS_DISCOVER_DEFAULT);
339         NSOICFree(task->taskData);
340     }
341     else
342     {
343         NS_LOG(ERROR, "Unknown type message");
344     }
345
346     NSOICFree(task);
347 }