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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.
*/
#include "host/commands/virtual_usb_manager/vadb/virtual_adb_server.h"
namespace vadb {
void VirtualADBServer::BeforeSelect(cvd::SharedFDSet* fd_read) const {
fd_read->Set(server_);
for (const auto& client : clients_) {
client.BeforeSelect(fd_read);
}
}
void VirtualADBServer::AfterSelect(const cvd::SharedFDSet& fd_read) {
if (fd_read.IsSet(server_)) HandleIncomingConnection();
for (auto iter = clients_.begin(); iter != clients_.end();) {
if (!iter->AfterSelect(fd_read)) {
// If client conversation failed, hang up.
iter = clients_.erase(iter);
continue;
}
++iter;
}
}
// Accept new QEmu connection. Add it to client pool.
// Typically we will have no more than one QEmu connection, but the nature
// of server requires proper handling nonetheless.
void VirtualADBServer::HandleIncomingConnection() {
cvd::SharedFD client = cvd::SharedFD::Accept(*server_, nullptr, nullptr);
if (!client->IsOpen()) {
LOG(ERROR) << "Client connection failed: " << client->StrError();
return;
}
clients_.emplace_back(&pool_, client, vhci_port_, usbip_name_);
}
} // namespace vadb
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