| /* |
| * 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. |
| */ |
| #include <glog/logging.h> |
| |
| #include "host/commands/virtual_usb_manager/vadb/usb_cmd_device_list.h" |
| |
| namespace vadb { |
| bool USBCmdDeviceList::OnRequest(const cvd::SharedFD& /*data*/) { |
| LOG(INFO) << "Requesting device list from Cuttlefish..."; |
| // No action required. |
| return true; |
| } |
| |
| bool USBCmdDeviceList::OnResponse(bool is_success, const cvd::SharedFD& fd) { |
| // This should never happen. If this command fails, something is very wrong. |
| if (!is_success) return false; |
| |
| int32_t count; |
| if (fd->Read(&count, sizeof(count)) != sizeof(count)) { |
| LOG(ERROR) << "Short read: " << fd->StrError(); |
| return false; |
| } |
| |
| LOG(INFO) << "Device list completed with " << count << " devices."; |
| |
| while (count-- > 0) { |
| usb_forward::DeviceInfo dev; |
| std::vector<usb_forward::InterfaceInfo> ifaces; |
| |
| if (fd->Read(&dev, sizeof(dev)) != sizeof(dev)) { |
| LOG(ERROR) << "Short read: " << fd->StrError(); |
| return false; |
| } |
| |
| ifaces.resize(dev.num_interfaces); |
| if (static_cast<size_t>( |
| fd->Read(ifaces.data(), |
| ifaces.size() * sizeof(usb_forward::InterfaceInfo))) != |
| ifaces.size() * sizeof(usb_forward::InterfaceInfo)) { |
| LOG(ERROR) << "Short read: " << fd->StrError(); |
| return false; |
| } |
| |
| LOG(INFO) << "Found remote device 0x" << std::hex << dev.vendor_id << ":" |
| << dev.product_id; |
| |
| on_device_discovered_(dev, ifaces); |
| } |
| |
| return true; |
| } |
| } // namespace vadb |