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 "softbus_proxychannel_network.h"
17
18 #include <securec.h>
19 #include "softbus_def.h"
20 #include "softbus_errcode.h"
21 #include "softbus_proxychannel_manager.h"
22 #include "softbus_transmission_interface.h"
23 #include "trans_log.h"
24
25 #define MAX_LISTENER_CNT 2
26
27 typedef struct {
28 char sessionName[SESSION_NAME_SIZE_MAX];
29 INetworkingListener listener;
30 } INetworkingListenerEntry;
31
32 static INetworkingListenerEntry g_listeners[MAX_LISTENER_CNT] = { 0 };
33
FindListenerEntry(const char * sessionName)34 static INetworkingListenerEntry *FindListenerEntry(const char *sessionName)
35 {
36 for (int32_t i = 0; i < MAX_LISTENER_CNT; i++) {
37 if (strcmp(sessionName, g_listeners[i].sessionName) == 0) {
38 return &g_listeners[i];
39 }
40 }
41 return NULL;
42 }
43
NotifyNetworkingChannelOpened(const char * sessionName,int32_t channelId,const AppInfo * appInfo,unsigned char isServer)44 int32_t NotifyNetworkingChannelOpened(
45 const char *sessionName, int32_t channelId, const AppInfo *appInfo, unsigned char isServer)
46 {
47 INetworkingListenerEntry *entry = FindListenerEntry(sessionName);
48 if (entry == NULL || entry->listener.onChannelOpened == NULL) {
49 TRANS_LOGE(TRANS_CTRL, "net onChannelOpened is null");
50 return SOFTBUS_NO_INIT;
51 }
52
53 if (entry->listener.onChannelOpened(channelId, appInfo->peerData.deviceId, isServer) != SOFTBUS_OK) {
54 TRANS_LOGE(TRANS_CTRL, "notify channel open fail");
55 return SOFTBUS_TRANS_CHANNEL_OPEN_FAILED;
56 }
57
58 return SOFTBUS_OK;
59 }
60
NotifyNetworkingChannelOpenFailed(const char * sessionName,int32_t channelId,const char * networkId)61 void NotifyNetworkingChannelOpenFailed(const char *sessionName, int32_t channelId, const char *networkId)
62 {
63 INetworkingListenerEntry *entry = FindListenerEntry(sessionName);
64 if (entry == NULL || entry->listener.onChannelOpenFailed == NULL) {
65 TRANS_LOGE(TRANS_CTRL, "net onChannelOpenFailed is null");
66 return;
67 }
68 entry->listener.onChannelOpenFailed(channelId, networkId);
69 }
70
NotifyNetworkingChannelClosed(const char * sessionName,int32_t channelId)71 void NotifyNetworkingChannelClosed(const char *sessionName, int32_t channelId)
72 {
73 INetworkingListenerEntry *entry = FindListenerEntry(sessionName);
74 if (entry == NULL || entry->listener.onChannelClosed == NULL) {
75 TRANS_LOGE(TRANS_CTRL, "net onChannelClosed is null");
76 return;
77 }
78 entry->listener.onChannelClosed(channelId);
79 }
80
NotifyNetworkingMsgReceived(const char * sessionName,int32_t channelId,const char * data,uint32_t len)81 void NotifyNetworkingMsgReceived(const char *sessionName, int32_t channelId, const char *data, uint32_t len)
82 {
83 INetworkingListenerEntry *entry = FindListenerEntry(sessionName);
84 if (entry == NULL || entry->listener.onMessageReceived == NULL) {
85 return;
86 }
87 entry->listener.onMessageReceived(channelId, data, len);
88 }
89
TransRegisterNetworkingChannelListener(const char * sessionName,const INetworkingListener * listener)90 int TransRegisterNetworkingChannelListener(const char *sessionName, const INetworkingListener *listener)
91 {
92 int32_t unuse = -1;
93 for (int32_t i = 0; i < MAX_LISTENER_CNT; i++) {
94 if (strlen(g_listeners[i].sessionName) == 0) {
95 unuse = i;
96 break;
97 }
98 if (strcmp(sessionName, g_listeners[i].sessionName) == 0) {
99 return SOFTBUS_OK;
100 }
101 }
102 if (unuse == -1) {
103 TRANS_LOGE(TRANS_CTRL, "exceed max listener registered. maxlisten=%{public}d", MAX_LISTENER_CNT);
104 return SOFTBUS_TRANS_REGISTER_LISTENER_FAILED;
105 }
106
107 if (strcpy_s(g_listeners[unuse].sessionName, SESSION_NAME_SIZE_MAX, sessionName) != EOK) {
108 TRANS_LOGE(TRANS_CTRL, "strcpy_s session name failed");
109 return SOFTBUS_STRCPY_ERR;
110 }
111 g_listeners[unuse].listener = *listener;
112 TRANS_LOGI(TRANS_CTRL, "register net listener ok");
113 return SOFTBUS_OK;
114 }
115