xref: /base/startup/init/services/param/watcher/agent/watcher_manager_proxy.cpp

/*
 * Copyright (c) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include "watcher_manager_proxy.h"
#include "watcher_utils.h"
#include "sysparam_errno.h"

namespace OHOS {
namespace init_param {
uint32_t WatcherManagerProxy::AddRemoteWatcher(uint32_t id, const sptr<IWatcher> &watcher)
{
    WATCHER_CHECK(watcher != nullptr, return ERR_INVALID_VALUE, "Invalid param");
    MessageParcel data;
    data.WriteInterfaceToken(WatcherManagerProxy::GetDescriptor());
    bool ret = data.WriteRemoteObject(watcher->AsObject());
    WATCHER_CHECK(ret, return 0, "Can not get remote");
    data.WriteUint32(id);

    MessageParcel reply;
    MessageOption option { MessageOption::TF_SYNC };
    int32_t res = SendWatcherMsg(static_cast<uint32_t>(ParamWatcherInterfaceCode::ADD_REMOTE_AGENT),
        data, reply, option);
    WATCHER_CHECK(res == ERR_OK, return 0, "Transact error %d", res);
    return reply.ReadUint32();
}

int32_t WatcherManagerProxy::DelRemoteWatcher(uint32_t remoteWatcherId)
{
    MessageParcel data;
    data.WriteInterfaceToken(WatcherManagerProxy::GetDescriptor());
    data.WriteUint32(remoteWatcherId);
    MessageParcel reply;
    MessageOption option { MessageOption::TF_SYNC };
    int32_t res = SendWatcherMsg(static_cast<uint32_t>(ParamWatcherInterfaceCode::DEL_REMOTE_AGENT),
        data, reply, option);
    WATCHER_CHECK(res == ERR_OK, return ERR_FLATTEN_OBJECT, "Transact error");
    return reply.ReadInt32();
}

int32_t WatcherManagerProxy::SendMsg(int op, const std::string &keyPrefix, uint32_t remoteWatcherId)
{
    MessageParcel data;
    data.WriteInterfaceToken(WatcherManagerProxy::GetDescriptor());
    data.WriteString(keyPrefix);
    data.WriteUint32(remoteWatcherId);
    MessageParcel reply;
    MessageOption option { MessageOption::TF_SYNC };
    int32_t res = SendWatcherMsg(op, data, reply, option);
    WATCHER_CHECK(res == ERR_OK, return 0, "Transact error");
    return reply.ReadInt32();
}

int32_t WatcherManagerProxy::AddWatcher(const std::string &keyPrefix, uint32_t remoteWatcherId)
{
    return SendMsg(static_cast<uint32_t>(ParamWatcherInterfaceCode::ADD_WATCHER), keyPrefix, remoteWatcherId);
}

int32_t WatcherManagerProxy::DelWatcher(const std::string &keyPrefix, uint32_t remoteWatcherId)
{
    return SendMsg(static_cast<uint32_t>(ParamWatcherInterfaceCode::DEL_WATCHER), keyPrefix, remoteWatcherId);
}

int32_t WatcherManagerProxy::RefreshWatcher(const std::string &keyPrefix, uint32_t remoteWatcherId)
{
    return SendMsg(static_cast<uint32_t>(ParamWatcherInterfaceCode::REFRESH_WATCHER), keyPrefix, remoteWatcherId);
}

int32_t WatcherManagerProxy::SendWatcherMsg(uint32_t code,
    MessageParcel &data, MessageParcel &reply, MessageOption &option)
{
    auto remote = Remote();
    if (remote != nullptr) {
        return remote->SendRequest(code, data, reply, option);
    }
#ifdef STARTUP_INIT_TEST
    return 0;
#else
    return SYSPARAM_SYSTEM_ERROR;
#endif
}
}
} // namespace OHOS