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 "channel_manager.h"
17
18 #include "callback_manager.h"
19 #include "device_auth_defines.h"
20 #include "hc_log.h"
21 #include "hc_types.h"
22 #include "soft_bus_channel.h"
23
24 static bool g_initialized = false;
25
InitChannelManager(void)26 int32_t InitChannelManager(void)
27 {
28 if (g_initialized || !IsSoftBusChannelSupported()) {
29 return HC_SUCCESS;
30 }
31 int32_t res = InitSoftBusChannelModule();
32 if (res == HC_SUCCESS) {
33 g_initialized = true;
34 }
35 return res;
36 }
37
DestroyChannelManager(void)38 void DestroyChannelManager(void)
39 {
40 if (g_initialized && IsSoftBusChannelSupported()) {
41 DestroySoftBusChannelModule();
42 g_initialized = false;
43 }
44 }
45
GetChannelType(const DeviceAuthCallback * callback,const CJson * jsonParams)46 ChannelType GetChannelType(const DeviceAuthCallback *callback, const CJson *jsonParams)
47 {
48 if (IsSoftBusChannelSupported()) {
49 const char *connectParams = GetStringFromJson(jsonParams, FIELD_CONNECT_PARAMS);
50 if (connectParams != NULL) {
51 return SOFT_BUS;
52 }
53 }
54 if ((callback != NULL) && (callback->onTransmit != NULL)) {
55 return SERVICE_CHANNEL;
56 }
57 return NO_CHANNEL;
58 }
59
OpenChannel(ChannelType channelType,const CJson * jsonParams,int64_t requestId,int64_t * returnChannelId)60 int32_t OpenChannel(ChannelType channelType, const CJson *jsonParams, int64_t requestId, int64_t *returnChannelId)
61 {
62 if (channelType == SERVICE_CHANNEL) {
63 *returnChannelId = DEFAULT_CHANNEL_ID;
64 return HC_SUCCESS;
65 } else if (channelType == SOFT_BUS) {
66 const char *connectParams = GetStringFromJson(jsonParams, FIELD_CONNECT_PARAMS);
67 if (connectParams == NULL) {
68 LOGE("Failed to get connectParams from jsonParams!");
69 return HC_ERR_JSON_GET;
70 }
71 int64_t channelId = DEFAULT_CHANNEL_ID;
72 int32_t result = GetSoftBusInstance()->openChannel(connectParams, requestId, &channelId);
73 if (result != HC_SUCCESS) {
74 return HC_ERR_CHANNEL_NOT_EXIST;
75 }
76 *returnChannelId = channelId;
77 return HC_SUCCESS;
78 } else {
79 return HC_ERR_CHANNEL_NOT_EXIST;
80 }
81 }
82
CloseChannel(ChannelType channelType,int64_t channelId)83 void CloseChannel(ChannelType channelType, int64_t channelId)
84 {
85 if (channelType == SOFT_BUS) {
86 GetSoftBusInstance()->closeChannel(channelId);
87 }
88 }
89
HcSendMsg(ChannelType channelType,int64_t requestId,int64_t channelId,const DeviceAuthCallback * callback,const char * data)90 int32_t HcSendMsg(ChannelType channelType, int64_t requestId, int64_t channelId,
91 const DeviceAuthCallback *callback, const char *data)
92 {
93 if (channelType == SERVICE_CHANNEL) {
94 if (ProcessTransmitCallback(requestId, (uint8_t *)data, HcStrlen(data) + 1, callback)) {
95 return HC_SUCCESS;
96 }
97 return HC_ERR_TRANSMIT_FAIL;
98 } else if (channelType == SOFT_BUS) {
99 return GetSoftBusInstance()->sendMsg(channelId, (uint8_t *)data, HcStrlen(data) + 1);
100 } else {
101 return HC_ERR_CHANNEL_NOT_EXIST;
102 }
103 }
104
NotifyBindResult(ChannelType channelType,int64_t channelId)105 void NotifyBindResult(ChannelType channelType, int64_t channelId)
106 {
107 if (channelType == SOFT_BUS) {
108 GetSoftBusInstance()->notifyResult(channelId);
109 }
110 }
111