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 "devhost_service_clnt.h"
17 #include "devmgr_service.h"
18 #include "hdf_base.h"
19 #include "hdf_cstring.h"
20 #include "hdf_log.h"
21 #include "hdf_sbuf.h"
22
23 #define HDF_LOG_TAG devmgr_query_device
24
DevFillQueryDeviceInfo(struct IDevmgrService * inst,struct HdfSBuf * data,struct HdfSBuf * reply)25 int DevFillQueryDeviceInfo(struct IDevmgrService *inst, struct HdfSBuf *data, struct HdfSBuf *reply)
26 {
27 struct DevmgrService *devMgrSvc = (struct DevmgrService *)inst;
28 struct HdfSListIterator itDeviceInfo;
29 struct HdfDeviceInfo *deviceInfo = NULL;
30 struct DevHostServiceClnt *hostClnt = NULL;
31 bool flag = false;
32 uint16_t status = 0;
33
34 if (devMgrSvc == NULL || data == NULL || reply == NULL) {
35 HDF_LOGE("%{public}s failed, parameter is null", __func__);
36 return HDF_FAILURE;
37 }
38
39 HdfSbufReadUint16(data, &status);
40 if (status != HDF_SERVICE_UNUSABLE && status != HDF_SERVICE_USABLE) {
41 HDF_LOGE("%{public}s failed, status is invalid %{public}d", __func__, status);
42 return HDF_FAILURE;
43 }
44
45 DLIST_FOR_EACH_ENTRY(hostClnt, &devMgrSvc->hosts, struct DevHostServiceClnt, node) {
46 HdfSListIteratorInit(&itDeviceInfo, &hostClnt->unloadDevInfos);
47 HDF_LOGD("%{public}s, host:%{public}s %{public}d", __func__, hostClnt->hostName, hostClnt->hostId);
48 while (HdfSListIteratorHasNext(&itDeviceInfo)) {
49 deviceInfo = (struct HdfDeviceInfo *)HdfSListIteratorNext(&itDeviceInfo);
50 HDF_LOGD("%{public}s %{public}s policy:%{public}d status:%{public}d type:%{public}d",
51 __func__, deviceInfo->svcName, deviceInfo->policy, deviceInfo->status, deviceInfo->deviceType);
52 if ((deviceInfo->policy == SERVICE_POLICY_CAPACITY || deviceInfo->policy == SERVICE_POLICY_PUBLIC) &&
53 deviceInfo->status == status) {
54 flag = HdfSbufWriteString(reply, deviceInfo->svcName);
55 if (flag == false) {
56 HDF_LOGE("%{public}s writing string failed %{public}s", __func__, deviceInfo->svcName);
57 return HDF_FAILURE;
58 }
59 flag = HdfSbufWriteInt32(reply, deviceInfo->deviceType);
60 if (flag == false) {
61 HDF_LOGE("%{public}s writing int32 failed %{public}d", __func__, deviceInfo->deviceType);
62 return HDF_FAILURE;
63 }
64 }
65 }
66 }
67 return HDF_SUCCESS;
68 }
69
70