1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <sys/types.h> 20 21 #include "adb.h" 22 #include "transport.h" 23 24 // USB host/client interface. 25 26 struct usb_handle; 27 28 void usb_init(); 29 void usb_cleanup(); 30 int usb_write(usb_handle* h, const void* data, int len); 31 int usb_read(usb_handle* h, void* data, int len); 32 int usb_close(usb_handle* h); 33 void usb_reset(usb_handle* h); 34 void usb_kick(usb_handle* h); 35 size_t usb_get_max_packet_size(usb_handle*); 36 37 // USB device detection. 38 bool is_adb_interface(int usb_class, int usb_subclass, int usb_protocol); 39 40 bool is_libusb_enabled(); 41 42 struct UsbConnection : public BlockingConnection { UsbConnectionUsbConnection43 explicit UsbConnection(usb_handle* handle) : handle_(handle) {} 44 ~UsbConnection(); 45 46 bool Read(apacket* packet) override final; 47 bool Write(apacket* packet) override final; 48 bool DoTlsHandshake(RSA* key, std::string* auth_key) override final; 49 50 void Close() override final; 51 virtual void Reset() override final; 52 53 usb_handle* handle_; 54 }; 55