Removed NSMessage_consumer structure.
[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 void NSRemoveProviderObj(NSProvider_internal * provider)
128 {
129     NSOICFree(provider->messageUri);
130     NSOICFree(provider->syncUri);
131
132     NSRemoveConnections(provider->connection);
133     NSOICFree(provider);
134 }
135
136 OCStackApplicationResult NSIntrospectProvider(
137         void * ctx, OCDoHandle handle, OCClientResponse * clientResponse)
138 {
139     (void) handle;
140
141     NS_VERIFY_NOT_NULL(clientResponse, OC_STACK_KEEP_TRANSACTION);
142     NS_VERIFY_STACK_SUCCESS(NSOCResultToSuccess(clientResponse->result), OC_STACK_KEEP_TRANSACTION);
143
144     NS_LOG_V(DEBUG, "GET response income : %s:%d",
145             clientResponse->devAddr.addr, clientResponse->devAddr.port);
146     NS_LOG_V(DEBUG, "GET response result : %d",
147             clientResponse->result);
148     NS_LOG_V(DEBUG, "GET response sequenceNum : %d",
149             clientResponse->sequenceNumber);
150     NS_LOG_V(DEBUG, "GET response resource uri : %s",
151             clientResponse->resourceUri);
152     NS_LOG_V(DEBUG, "GET response Transport Type : %d",
153                     clientResponse->devAddr.adapter);
154
155     if (!NSIsStartedConsumer())
156     {
157         return OC_STACK_DELETE_TRANSACTION;
158     }
159
160     NSProvider_internal * newProvider = NSGetProvider(clientResponse);
161     NS_VERIFY_NOT_NULL(newProvider, OC_STACK_KEEP_TRANSACTION);
162     if (ctx && *((NSConsumerDiscoverType *)ctx) == NS_DISCOVER_CLOUD )
163     {
164         newProvider->connection->isCloudConnection = true;
165         NSOICFree(ctx);
166     }
167
168     NS_LOG(DEBUG, "build NSTask");
169     NSTask * task = NSMakeTask(TASK_CONSUMER_PROVIDER_DISCOVERED, (void *) newProvider);
170     NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(task, NS_ERROR, NSRemoveProviderObj(newProvider));
171
172     NSConsumerPushEvent(task);
173
174     return OC_STACK_KEEP_TRANSACTION;
175 }
176
177 void NSGetProviderPostClean(
178         char * pId, char * mUri, char * sUri, NSProviderConnectionInfo * connection)
179 {
180     NSOICFree(pId);
181     NSOICFree(mUri);
182     NSOICFree(sUri);
183     NSRemoveConnections(connection);
184 }
185
186 NSProvider_internal * NSGetProvider(OCClientResponse * clientResponse)
187 {
188     NS_LOG(DEBUG, "create NSProvider");
189     NS_VERIFY_NOT_NULL(clientResponse->payload, NULL);
190
191     OCRepPayload * payload = (OCRepPayload *)clientResponse->payload;
192     while (payload)
193     {
194         NS_LOG_V(DEBUG, "Payload Key : %s", payload->values->name);
195         payload = payload->next;
196     }
197
198     payload = (OCRepPayload *)clientResponse->payload;
199
200     char * providerId = NULL;
201     char * messageUri = NULL;
202     char * syncUri = NULL;
203     int64_t accepter = 0;
204     NSProviderConnectionInfo * connection = NULL;
205
206     NS_LOG(DEBUG, "get information of accepter");
207     bool getResult = OCRepPayloadGetPropInt(payload, NS_ATTRIBUTE_POLICY, & accepter);
208     NS_VERIFY_NOT_NULL(getResult == true ? (void *) 1 : NULL, NULL);
209
210     NS_LOG(DEBUG, "get provider ID");
211     getResult = OCRepPayloadGetPropString(payload, NS_ATTRIBUTE_PROVIDER_ID, & providerId);
212     NS_VERIFY_NOT_NULL(getResult == true ? (void *) 1 : NULL, NULL);
213
214     NS_LOG(DEBUG, "get message URI");
215     getResult = OCRepPayloadGetPropString(payload, NS_ATTRIBUTE_MESSAGE, & messageUri);
216     NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(getResult == true ? (void *) 1 : NULL, NULL,
217             NSGetProviderPostClean(providerId, messageUri, syncUri, connection));
218
219     NS_LOG(DEBUG, "get sync URI");
220     getResult = OCRepPayloadGetPropString(payload, NS_ATTRIBUTE_SYNC, & syncUri);
221     NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(getResult == true ? (void *) 1 : NULL, NULL,
222             NSGetProviderPostClean(providerId, messageUri, syncUri, connection));
223
224     NS_LOG(DEBUG, "get provider connection information");
225     NS_VERIFY_NOT_NULL(clientResponse->addr, NULL);
226     connection = NSCreateProviderConnections(clientResponse->addr);
227     NS_VERIFY_NOT_NULL(connection, NULL);
228
229     NSProvider_internal * newProvider
230         = (NSProvider_internal *)OICMalloc(sizeof(NSProvider_internal));
231     NS_VERIFY_NOT_NULL_WITH_POST_CLEANING(newProvider, NULL,
232           NSGetProviderPostClean(providerId, messageUri, syncUri, connection));
233
234     OICStrcpy(newProvider->providerId, sizeof(char) * NS_DEVICE_ID_LENGTH, providerId);
235     NSOICFree(providerId);
236     newProvider->messageUri = messageUri;
237     newProvider->syncUri = syncUri;
238     newProvider->accessPolicy = (NSAccessPolicy)accepter;
239     newProvider->connection = connection;
240
241     return newProvider;
242 }
243
244 OCDevAddr * NSChangeAddress(const char * address)
245 {
246     NS_VERIFY_NOT_NULL(address, NULL);
247     OCDevAddr * retAddr = NULL;
248
249     int index = 0;
250     while(address[index] != '\0')
251     {
252         if (address[index] == ':')
253         {
254             break;
255         }
256         index++;
257     }
258
259     if (address[index] == '\0')
260     {
261         return NULL;
262     }
263
264     int tmp = index + 1;
265     uint16_t port = address[tmp++];
266
267     while(address[tmp] != '\0')
268     {
269         port *= 10;
270         port += address[tmp++] - '0';
271     }
272
273     retAddr = (OCDevAddr *) OICMalloc(sizeof(OCDevAddr));
274     NS_VERIFY_NOT_NULL(retAddr, NULL);
275
276     retAddr->adapter = OC_ADAPTER_TCP;
277     OICStrcpy(retAddr->addr, index - 1, address);
278     retAddr->addr[index] = '\0';
279     retAddr->port = port;
280
281     return retAddr;
282 }
283
284 void NSConsumerHandleRequestDiscover(OCDevAddr * address, NSConsumerDiscoverType rType)
285 {
286     OCConnectivityType type = CT_DEFAULT;
287     NSConsumerDiscoverType * callbackData = NULL;
288
289     if (address)
290     {
291         if (address->adapter == OC_ADAPTER_IP)
292         {
293             type = CT_ADAPTER_IP;
294             NS_LOG(DEBUG, "Request discover [UDP]");
295         }
296         else if (address->adapter == OC_ADAPTER_TCP)
297         {
298             type = CT_ADAPTER_TCP;
299             NS_LOG(DEBUG, "Request discover and subscribe presence [TCP]");
300             NS_LOG(DEBUG, "Subscribe presence [TCP]");
301             NSInvokeRequest(NULL, OC_REST_PRESENCE, address, NS_PRESENCE_SUBSCRIBE_QUERY_TCP,
302                     NULL, NSConsumerPresenceListener, NULL, type);
303
304             if (rType == NS_DISCOVER_CLOUD)
305             {
306                 callbackData = (NSConsumerDiscoverType *)OICMalloc(sizeof(NSConsumerDiscoverType));
307                 *callbackData = NS_DISCOVER_CLOUD;
308             }
309         }
310         else
311         {
312             NS_LOG_V(DEBUG, "Request discover But Adapter is not IP : %d", address->adapter);
313         }
314     }
315     else
316     {
317         NS_LOG(DEBUG, "Request Multicast discover [UDP]");
318     }
319
320     NSInvokeRequest(NULL, OC_REST_DISCOVER, address, NS_DISCOVER_QUERY,
321             NULL, NSProviderDiscoverListener, (void *)callbackData, type);
322 }
323
324 void NSConsumerDiscoveryTaskProcessing(NSTask * task)
325 {
326     NS_VERIFY_NOT_NULL_V(task);
327
328     NS_LOG_V(DEBUG, "Receive Event : %d", (int)task->taskType);
329     if (task->taskType == TASK_CONSUMER_REQ_DISCOVER)
330     {
331         char * address = (char *) task->taskData;
332         NSConsumerDiscoverType dType = NS_DISCOVER_DEFAULT;
333
334         OCDevAddr * addr = NULL;
335         if (address)
336         {
337             addr = NSChangeAddress(address);
338             dType = NS_DISCOVER_CLOUD;
339         }
340
341         NSConsumerHandleRequestDiscover(addr, dType);
342         NSOICFree(task->taskData);
343         NSOICFree(addr);
344     }
345     else if (task->taskType == TASK_EVENT_CONNECTED || task->taskType == TASK_EVENT_CONNECTED_TCP)
346     {
347         NSConsumerHandleRequestDiscover((OCDevAddr *) task->taskData, NS_DISCOVER_DEFAULT);
348         NSOICFree(task->taskData);
349     }
350     else
351     {
352         NS_LOG(ERROR, "Unknown type message");
353     }
354
355     NSOICFree(task);
356 }