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/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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.
*/
#pragma once
#include "host/commands/virtual_usb_manager/vadb/usb_cmd.h"
namespace vadb {
// Request remote device attach (~open).
class USBCmdHeartbeat : public USBCommand {
public:
// Heartbeat result callback receives a boolean argument indicating whether
// remote device is ready to be attached.
using HeartbeatResultCB = std::function<void(bool)>;
USBCmdHeartbeat(HeartbeatResultCB callback);
~USBCmdHeartbeat() override = default;
// Return usbforward command this instance is executing.
usb_forward::Command Command() override { return usb_forward::CmdHeartbeat; }
// Send request body to the server.
// Return false, if communication failed.
bool OnRequest(const cvd::SharedFD& data) override;
// Receive response data from the server.
// Return false, if communication failed.
bool OnResponse(bool is_success, const cvd::SharedFD& data) override;
private:
HeartbeatResultCB callback_;
USBCmdHeartbeat(const USBCmdHeartbeat& other) = delete;
USBCmdHeartbeat& operator=(const USBCmdHeartbeat& other) = delete;
};
} // namespace vadb
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