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"
30 #define NS_PAYLOAD_KEY_ACCEPTER "ACCEPTER"
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_GET_INFORMATION_QUERY "/notification?if=oic.if.notification"
35 OCDoHandle * getPresenceHandle()
37 static OCDoHandle * g_PresenceHandle = NULL;
39 return g_PresenceHandle;
42 OCStackApplicationResult NSConsumerPresenceListener(
43 OCDoHandle handle, OCClientResponse * clientResponse)
46 NS_LOG_V(DEBUG, "Presence income : %s:%d",
47 clientResponse->devAddr.addr, clientResponse->devAddr.port);
48 NS_LOG_V(DEBUG, "Presence result : %d",
49 clientResponse->result);
50 NS_LOG_V(DEBUG, "Presence sequenceNum : %d",
51 clientResponse->sequenceNumber);
53 if (!NSIsStartedConsumer())
55 return OC_STACK_DELETE_TRANSACTION;
58 OCPresencePayload * payload = (OCPresencePayload *)clientResponse->payload;
59 if (payload->trigger == OC_PRESENCE_TRIGGER_DELETE ||
60 clientResponse->result == OC_STACK_PRESENCE_STOPPED)
62 // TODO find request and cancel
63 NS_LOG(DEBUG, "stopped presence or resource is deleted.");
64 //OCCancel(handle, NS_QOS, NULL, 0);
67 else if (payload->trigger == OC_PRESENCE_TRIGGER_CREATE)
69 NSSendRequest(NULL, OC_REST_DISCOVER, clientResponse->addr,
70 NS_DISCOVER_QUERY, NULL, NSProviderDiscoverListener);
73 return OC_STACK_KEEP_TRANSACTION;
76 OCStackApplicationResult NSProviderDiscoverListener(
77 OCDoHandle handle, OCClientResponse * clientResponse)
80 NS_LOG_V(DEBUG, "Discover income : %s:%d",
81 clientResponse->devAddr.addr, clientResponse->devAddr.port);
82 NS_LOG_V(DEBUG, "Discover result : %d",
83 clientResponse->result);
84 NS_LOG_V(DEBUG, "Discover sequenceNum : %d",
85 clientResponse->sequenceNumber);
87 if (!NSIsStartedConsumer())
89 return OC_STACK_DELETE_TRANSACTION;
92 if (!clientResponse->payload)
94 return OC_STACK_KEEP_TRANSACTION;
97 OCResourcePayload * resource = ((OCDiscoveryPayload *)clientResponse->payload)->resources;
100 if (!strcmp(resource->uri, NS_RESOURCE_URI))
103 NULL, OC_REST_GET, clientResponse->addr,
104 NS_RESOURCE_URI, NULL, NSIntrospectProvider);
106 resource = resource->next;
109 return OC_STACK_KEEP_TRANSACTION;
112 OCStackApplicationResult NSIntrospectProvider(
113 OCDoHandle handle, OCClientResponse * clientResponse)
116 int64_t accepter = 0;
118 NS_LOG_V(DEBUG, "GET response income : %s:%d",
119 clientResponse->devAddr.addr, clientResponse->devAddr.port);
120 NS_LOG_V(DEBUG, "GET response result : %d",
121 clientResponse->result);
122 NS_LOG_V(DEBUG, "GET response sequenceNum : %d",
123 clientResponse->sequenceNumber);
124 NS_LOG_V(DEBUG, "GET response resource uri : %s",
125 clientResponse->resourceUri);
127 if (!NSIsStartedConsumer())
129 return OC_STACK_DELETE_TRANSACTION;
132 if (!clientResponse->payload)
134 NS_LOG(ERROR, "payload is null");
135 return OC_STACK_KEEP_TRANSACTION;
138 if (!OCRepPayloadGetPropInt((OCRepPayload *)clientResponse->payload,
139 NS_PAYLOAD_KEY_ACCEPTER, & accepter))
141 NS_LOG(ERROR, "can not seach for accepter");
142 return OC_STACK_KEEP_TRANSACTION;
145 NSProvider * newProvider = (NSProvider *)OICMalloc(sizeof(NSProvider));
148 NS_LOG(DEBUG, "NSProvider allocation fail");
149 return OC_STACK_KEEP_TRANSACTION;
153 newProvider->mId = NULL;
154 newProvider->mUserData = (void *)OICMalloc(sizeof(OCDevAddr));
157 NS_LOG(DEBUG, "OCDevAddr allocation fail");
158 OICFree(newProvider);
159 return OC_STACK_KEEP_TRANSACTION;
161 memcpy(newProvider->mUserData, clientResponse->addr, sizeof(OCDevAddr));
164 OCRepPayload * payload = (OCRepPayload *)clientResponse->payload;
167 NS_LOG_V(DEBUG, "Payload Key : %s", payload->values->name);
168 payload = payload->next;
172 if (!OCRepPayloadGetPropString((OCRepPayload *)clientResponse->payload,
173 "MESSAGE_URI", & newProvider->messageUri))
175 OICFree(newProvider->mUserData);
176 OICFree(newProvider);
177 NS_LOG(ERROR, "can not seach for message uri");
178 return OC_STACK_KEEP_TRANSACTION;
181 if (!OCRepPayloadGetPropString((OCRepPayload *)clientResponse->payload,
182 NS_ATTRIBUTE_SYNC, & newProvider->syncUri))
184 OICFree(newProvider->messageUri);
185 OICFree(newProvider->mUserData);
186 OICFree(newProvider);
187 NS_LOG(ERROR, "can not seach for sync uri");
188 return OC_STACK_KEEP_TRANSACTION;
191 if (accepter == NS_ACCEPTER_CONSUMER)
193 NS_LOG(DEBUG, "accepter is NS_ACCEPTER_CONSUMER, Callback to user");
195 NSDiscoveredProvider(newProvider);
199 NS_LOG(DEBUG, "accepter is NS_ACCEPTER_PROVIDER, request subscribe");
201 NSTask * task = NSMakeTask(TASK_CONSUMER_REQ_SUBSCRIBE, (void *) newProvider);
204 NS_LOG(DEBUG, "NSTask allocation fail");
205 return OC_STACK_KEEP_TRANSACTION;
208 NSConsumerPushEvent(task);
211 return OC_STACK_KEEP_TRANSACTION;
214 void NSConsumerDiscoveryTaskProcessing(NSTask * task)
218 NS_LOG(ERROR, "task is null");
222 NS_LOG_V(DEBUG, "Receive Event : %d", (int)task->taskType);
223 if (task->taskType == TASK_EVENT_CONNECTED || task->taskType == TASK_CONSUMER_REQ_DISCOVER)
225 NSSendRequest(NULL, OC_REST_DISCOVER, NULL, NS_DISCOVER_QUERY,
226 NULL, NSProviderDiscoverListener);
230 NS_LOG(ERROR, "Unknown type message");