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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/tools/quic/test_tools/server_thread.h"
#include "net/quic/test_tools/crypto_test_utils.h"
#include "net/tools/quic/quic_dispatcher.h"
#include "net/tools/quic/test_tools/quic_server_peer.h"
namespace net {
namespace test {
ServerThread::ServerThread(QuicServer* server,
const IPEndPoint& address,
bool strike_register_no_startup_period)
: SimpleThread("server_thread"),
confirmed_(base::WaitableEvent::ResetPolicy::MANUAL,
base::WaitableEvent::InitialState::NOT_SIGNALED),
pause_(base::WaitableEvent::ResetPolicy::MANUAL,
base::WaitableEvent::InitialState::NOT_SIGNALED),
paused_(base::WaitableEvent::ResetPolicy::MANUAL,
base::WaitableEvent::InitialState::NOT_SIGNALED),
resume_(base::WaitableEvent::ResetPolicy::MANUAL,
base::WaitableEvent::InitialState::NOT_SIGNALED),
quit_(base::WaitableEvent::ResetPolicy::MANUAL,
base::WaitableEvent::InitialState::NOT_SIGNALED),
server_(server),
address_(address),
port_(0),
initialized_(false) {
if (strike_register_no_startup_period) {
server_->SetStrikeRegisterNoStartupPeriod();
}
}
ServerThread::~ServerThread() {}
void ServerThread::Initialize() {
if (initialized_) {
return;
}
server_->CreateUDPSocketAndListen(address_);
port_lock_.Acquire();
port_ = server_->port();
port_lock_.Release();
initialized_ = true;
}
void ServerThread::Run() {
if (!initialized_) {
Initialize();
}
while (!quit_.IsSignaled()) {
if (pause_.IsSignaled() && !resume_.IsSignaled()) {
paused_.Signal();
resume_.Wait();
}
server_->WaitForEvents();
ExecuteScheduledActions();
MaybeNotifyOfHandshakeConfirmation();
}
server_->Shutdown();
}
int ServerThread::GetPort() {
port_lock_.Acquire();
int rc = port_;
port_lock_.Release();
return rc;
}
void ServerThread::Schedule(std::function<void()> action) {
DCHECK(!quit_.IsSignaled());
base::AutoLock lock(scheduled_actions_lock_);
scheduled_actions_.push_back(std::move(action));
}
void ServerThread::WaitForCryptoHandshakeConfirmed() {
confirmed_.Wait();
}
void ServerThread::Pause() {
DCHECK(!pause_.IsSignaled());
pause_.Signal();
paused_.Wait();
}
void ServerThread::Resume() {
DCHECK(!resume_.IsSignaled());
DCHECK(pause_.IsSignaled());
resume_.Signal();
}
void ServerThread::Quit() {
if (pause_.IsSignaled() && !resume_.IsSignaled()) {
resume_.Signal();
}
quit_.Signal();
}
void ServerThread::MaybeNotifyOfHandshakeConfirmation() {
if (confirmed_.IsSignaled()) {
// Only notify once.
return;
}
QuicDispatcher* dispatcher = QuicServerPeer::GetDispatcher(server());
if (dispatcher->session_map().empty()) {
// Wait for a session to be created.
return;
}
QuicSession* session = dispatcher->session_map().begin()->second.get();
if (session->IsCryptoHandshakeConfirmed()) {
confirmed_.Signal();
}
}
void ServerThread::ExecuteScheduledActions() {
std::deque<std::function<void()>> actions;
{
base::AutoLock lock(scheduled_actions_lock_);
actions.swap(scheduled_actions_);
}
while (!actions.empty()) {
actions.front()();
actions.pop_front();
}
}
} // namespace test
} // namespace net
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