1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "lnn_discovery_manager.h"
17
18 #include <string.h>
19
20 #include "lnn_coap_discovery_impl.h"
21 #include "lnn_log.h"
22 #include "lnn_net_builder.h"
23 #include "softbus_errcode.h"
24 #include "softbus_hisysevt_bus_center.h"
25
26 static void DeviceFound(const ConnectionAddr *addr, const LnnDfxDeviceInfoReport *infoReport);
27
28 typedef enum {
29 LNN_DISC_IMPL_TYPE_COAP,
30 LNN_DISC_IMPL_TYPE_MAX,
31 } LnnDiscoveryImplType;
32
33 typedef struct {
34 int32_t (*InitDiscoveryImpl)(LnnDiscoveryImplCallback *callback);
35 int32_t (*StartPublishImpl)(void);
36 int32_t (*StopPublishImpl)(void);
37 int32_t (*StartDiscoveryImpl)(void);
38 int32_t (*StopDiscoveryImpl)(void);
39 } DiscoveryImpl;
40
41 static DiscoveryImpl g_discoveryImpl[LNN_DISC_IMPL_TYPE_MAX] = {
42 [LNN_DISC_IMPL_TYPE_COAP] = {
43 .InitDiscoveryImpl = LnnInitCoapDiscovery,
44 .StartPublishImpl = LnnStartCoapPublish,
45 .StopPublishImpl = LnnStopCoapPublish,
46 .StartDiscoveryImpl = LnnStartCoapDiscovery,
47 .StopDiscoveryImpl = LnnStopCoapDiscovery,
48 },
49 };
50
51 static LnnDiscoveryImplCallback g_discoveryCallback = {
52 .onDeviceFound = DeviceFound,
53 };
54
ReportDeviceFoundResultEvt(void)55 static void ReportDeviceFoundResultEvt(void)
56 {
57 LNN_LOGD(LNN_BUILDER, "report device found result evt enter");
58 if (SoftBusRecordDiscoveryResult(DEVICE_FOUND, NULL) != SOFTBUS_OK) {
59 LNN_LOGE(LNN_BUILDER, "report device found result fail");
60 }
61 }
62
DeviceFound(const ConnectionAddr * addr,const LnnDfxDeviceInfoReport * infoReport)63 static void DeviceFound(const ConnectionAddr *addr, const LnnDfxDeviceInfoReport *infoReport)
64 {
65 if (addr == NULL) {
66 LNN_LOGE(LNN_BUILDER, "device addr is null\n");
67 return;
68 }
69 ReportDeviceFoundResultEvt();
70 if (LnnNotifyDiscoveryDevice(addr, infoReport, true) != SOFTBUS_OK) {
71 LNN_LOGE(LNN_BUILDER, "notify device found failed\n");
72 }
73 }
74
LnnInitDiscoveryManager(void)75 int32_t LnnInitDiscoveryManager(void)
76 {
77 uint32_t i;
78
79 for (i = 0; i < LNN_DISC_IMPL_TYPE_MAX; ++i) {
80 if (g_discoveryImpl[i].InitDiscoveryImpl == NULL) {
81 continue;
82 }
83 if (g_discoveryImpl[i].InitDiscoveryImpl(&g_discoveryCallback) != SOFTBUS_OK) {
84 LNN_LOGE(LNN_BUILDER, "init discovery impl failed. i=%{public}d", i);
85 return SOFTBUS_ERR;
86 }
87 }
88 return SOFTBUS_OK;
89 }
90
LnnStartPublish(void)91 int32_t LnnStartPublish(void)
92 {
93 uint32_t i;
94
95 for (i = 0; i < LNN_DISC_IMPL_TYPE_MAX; ++i) {
96 if (g_discoveryImpl[i].StartPublishImpl == NULL) {
97 LNN_LOGE(LNN_BUILDER, "not support start publish. i=%{public}d", i);
98 continue;
99 }
100 if (g_discoveryImpl[i].StartPublishImpl() != SOFTBUS_OK) {
101 LNN_LOGE(LNN_BUILDER, "start publish impl failed. i=%{public}d", i);
102 return SOFTBUS_ERR;
103 }
104 }
105 return SOFTBUS_OK;
106 }
107
LnnStopPublish(void)108 void LnnStopPublish(void)
109 {
110 uint32_t i;
111
112 for (i = 0; i < LNN_DISC_IMPL_TYPE_MAX; ++i) {
113 if (g_discoveryImpl[i].StopPublishImpl == NULL) {
114 LNN_LOGE(LNN_BUILDER, "not support stop publish. i=%{public}d", i);
115 continue;
116 }
117 if (g_discoveryImpl[i].StopPublishImpl() != SOFTBUS_OK) {
118 LNN_LOGE(LNN_BUILDER, "stop publish impl failed. i=%{public}d", i);
119 }
120 }
121 }
122
ReportStartDiscoveryResultEvt(void)123 static void ReportStartDiscoveryResultEvt(void)
124 {
125 LNN_LOGI(LNN_BUILDER, "report start discovery result evt enter");
126 if (SoftBusRecordDiscoveryResult(START_DISCOVERY, NULL) != SOFTBUS_OK) {
127 LNN_LOGE(LNN_BUILDER, "report start discovery result fail");
128 }
129 }
130
LnnStartDiscovery(void)131 int32_t LnnStartDiscovery(void)
132 {
133 uint32_t i;
134
135 for (i = 0; i < LNN_DISC_IMPL_TYPE_MAX; ++i) {
136 if (g_discoveryImpl[i].StartDiscoveryImpl == NULL) {
137 LNN_LOGE(LNN_BUILDER, "not support start discovery. i=%{public}d", i);
138 continue;
139 }
140 if (g_discoveryImpl[i].StartDiscoveryImpl() != SOFTBUS_OK) {
141 LNN_LOGE(LNN_BUILDER, "start discovery impl failed. i=%{public}d", i);
142 return SOFTBUS_ERR;
143 }
144 }
145 ReportStartDiscoveryResultEvt();
146 return SOFTBUS_OK;
147 }
148
LnnStopDiscovery(void)149 void LnnStopDiscovery(void)
150 {
151 uint32_t i;
152
153 for (i = 0; i < LNN_DISC_IMPL_TYPE_MAX; ++i) {
154 if (g_discoveryImpl[i].StopDiscoveryImpl == NULL) {
155 LNN_LOGE(LNN_BUILDER, "not support stop discovery. i=%{public}d", i);
156 continue;
157 }
158 if (g_discoveryImpl[i].StopDiscoveryImpl() != SOFTBUS_OK) {
159 LNN_LOGE(LNN_BUILDER, "stop discovery impl failed. i=%{public}d", i);
160 }
161 }
162 }
163