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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include <list>
#include "mongo/base/checked_cast.h"
#include "mongo/config.h"
#include "mongo/stdx/mutex.h"
#include "mongo/transport/session.h"
#include "mongo/transport/transport_layer_mock.h"
#include "mongo/util/net/hostandport.h"
namespace mongo {
namespace transport {
class MockSession : public Session {
MockSession(const MockSession&) = delete;
MockSession& operator=(const MockSession&) = delete;
public:
static std::shared_ptr<MockSession> create(TransportLayer* tl) {
std::shared_ptr<MockSession> handle(new MockSession(tl));
return handle;
}
static std::shared_ptr<MockSession> create(HostAndPort remote,
HostAndPort local,
SockAddr remoteAddr,
SockAddr localAddr,
TransportLayer* tl) {
std::shared_ptr<MockSession> handle(new MockSession(
std::move(remote), std::move(local), std::move(remoteAddr), std::move(localAddr), tl));
return handle;
}
TransportLayer* getTransportLayer() const override {
return _tl;
}
const HostAndPort& remote() const override {
return _remote;
}
const HostAndPort& local() const override {
return _local;
}
const SockAddr& remoteAddr() const override {
return _remoteAddr;
}
const SockAddr& localAddr() const override {
return _localAddr;
}
void end() override {
if (!_tl || !_tl->owns(id()))
return;
_tl->_sessions[id()].ended = true;
}
StatusWith<Message> sourceMessage() override {
if (!_tl || _tl->inShutdown()) {
return TransportLayer::ShutdownStatus;
} else if (!_tl->owns(id())) {
return TransportLayer::SessionUnknownStatus;
} else if (_tl->_sessions[id()].ended) {
return TransportLayer::TicketSessionClosedStatus;
}
return Message(); // Subclasses can do something different.
}
Future<Message> asyncSourceMessage(const BatonHandle& handle = nullptr) override {
return Future<Message>::makeReady(sourceMessage());
}
Future<void> waitForData() override {
auto fp = makePromiseFuture<void>();
stdx::lock_guard<Latch> lk(_waitForDataMutex);
_waitForDataQueue.emplace_back(std::move(fp.promise));
return std::move(fp.future);
}
void signalAvailableData() {
stdx::lock_guard<Latch> lk(_waitForDataMutex);
if (_waitForDataQueue.size() == 0)
return;
Promise<void> promise = std::move(_waitForDataQueue.front());
_waitForDataQueue.pop_front();
promise.emplaceValue();
}
Status sinkMessage(Message message) override {
if (!_tl || _tl->inShutdown()) {
return TransportLayer::ShutdownStatus;
} else if (!_tl->owns(id())) {
return TransportLayer::SessionUnknownStatus;
} else if (_tl->_sessions[id()].ended) {
return TransportLayer::TicketSessionClosedStatus;
}
return Status::OK();
}
Future<void> asyncSinkMessage(Message message, const BatonHandle& handle = nullptr) override {
return Future<void>::makeReady(sinkMessage(message));
}
void cancelAsyncOperations(const BatonHandle& handle = nullptr) override {}
void setTimeout(boost::optional<Milliseconds>) override {}
bool isConnected() override {
return true;
}
#ifdef MONGO_CONFIG_SSL
const SSLConfiguration* getSSLConfiguration() const override {
return nullptr;
}
const std::shared_ptr<SSLManagerInterface> getSSLManager() const override {
return nullptr;
}
#endif
explicit MockSession(TransportLayer* tl)
: _tl(checked_cast<TransportLayerMock*>(tl)), _remote(), _local() {}
explicit MockSession(HostAndPort remote,
HostAndPort local,
SockAddr remoteAddr,
SockAddr localAddr,
TransportLayer* tl)
: _tl(checked_cast<TransportLayerMock*>(tl)),
_remote(std::move(remote)),
_local(std::move(local)),
_remoteAddr(std::move(remoteAddr)),
_localAddr(std::move(localAddr)) {}
protected:
TransportLayerMock* _tl;
HostAndPort _remote;
HostAndPort _local;
SockAddr _remoteAddr;
SockAddr _localAddr;
mutable Mutex _waitForDataMutex = MONGO_MAKE_LATCH("MockSession::_waitForDataMutex");
std::list<Promise<void>> _waitForDataQueue;
};
} // namespace transport
} // namespace mongo
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