| /* |
| * 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/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 avd::SharedFD& data) override; |
| |
| // Receive response data from the server. |
| // Return false, if communication failed. |
| bool OnResponse(bool is_success, const avd::SharedFD& data) override; |
| |
| private: |
| HeartbeatResultCB callback_; |
| |
| USBCmdHeartbeat(const USBCmdHeartbeat& other) = delete; |
| USBCmdHeartbeat& operator=(const USBCmdHeartbeat& other) = delete; |
| }; |
| } // namespace vadb |