1 /* 2 * Copyright (C) 2017 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 #include "host/commands/virtual_usb_manager/vadb/virtual_adb_server.h" 18 19 namespace vadb { 20 21 void VirtualADBServer::BeforeSelect(cvd::SharedFDSet* fd_read) const { 22 fd_read->Set(server_); 23 for (const auto& client : clients_) { 24 client.BeforeSelect(fd_read); 25 } 26 } 27 28 void VirtualADBServer::AfterSelect(const cvd::SharedFDSet& fd_read) { 29 if (fd_read.IsSet(server_)) HandleIncomingConnection(); 30 31 for (auto iter = clients_.begin(); iter != clients_.end();) { 32 if (!iter->AfterSelect(fd_read)) { 33 // If client conversation failed, hang up. 34 iter = clients_.erase(iter); 35 continue; 36 } 37 ++iter; 38 } 39 } 40 41 // Accept new QEmu connection. Add it to client pool. 42 // Typically we will have no more than one QEmu connection, but the nature 43 // of server requires proper handling nonetheless. 44 void VirtualADBServer::HandleIncomingConnection() { 45 cvd::SharedFD client = cvd::SharedFD::Accept(*server_, nullptr, nullptr); 46 if (!client->IsOpen()) { 47 LOG(ERROR) << "Client connection failed: " << client->StrError(); 48 return; 49 } 50 51 clients_.emplace_back(&pool_, client, vhci_port_, usbip_name_); 52 } 53 54 } // namespace vadb 55
