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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.
*/
#include "mongo/platform/basic.h"
#include "mongo/transport/transport_layer_manager.h"
#include <iostream>
#include <limits>
#include <memory>
#include "mongo/base/status.h"
#include "mongo/config.h"
#include "mongo/db/server_options.h"
#include "mongo/db/service_context.h"
#include "mongo/logv2/log.h"
#include "mongo/transport/asio/asio_transport_layer.h"
#include "mongo/transport/service_executor_synchronous.h"
#include "mongo/transport/session.h"
#include "mongo/util/net/ssl_types.h"
#include "mongo/util/time_support.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kNetwork
namespace mongo {
namespace transport {
template <typename Callable>
void TransportLayerManager::_foreach(Callable&& cb) const {
{
stdx::lock_guard<Latch> lk(_tlsMutex);
for (auto&& tl : _tls) {
cb(tl.get());
}
}
}
StatusWith<SessionHandle> TransportLayerManager::connect(
HostAndPort peer,
ConnectSSLMode sslMode,
Milliseconds timeout,
boost::optional<TransientSSLParams> transientSSLParams) {
return _tls.front()->connect(peer, sslMode, timeout, transientSSLParams);
}
Future<SessionHandle> TransportLayerManager::asyncConnect(
HostAndPort peer,
ConnectSSLMode sslMode,
const ReactorHandle& reactor,
Milliseconds timeout,
std::shared_ptr<ConnectionMetrics> connectionMetrics,
std::shared_ptr<const SSLConnectionContext> transientSSLContext) {
return _tls.front()->asyncConnect(
peer, sslMode, reactor, timeout, connectionMetrics, transientSSLContext);
}
ReactorHandle TransportLayerManager::getReactor(WhichReactor which) {
return _tls.front()->getReactor(which);
}
// TODO Right now this and setup() leave TLs started if there's an error. In practice the server
// exits with an error and this isn't an issue, but we should make this more robust.
Status TransportLayerManager::start() {
for (auto&& tl : _tls) {
auto status = tl->start();
if (!status.isOK()) {
_tls.clear();
return status;
}
}
return Status::OK();
}
void TransportLayerManager::shutdown() {
_foreach([](TransportLayer* tl) { tl->shutdown(); });
}
// TODO Same comment as start()
Status TransportLayerManager::setup() {
for (auto&& tl : _tls) {
auto status = tl->setup();
if (!status.isOK()) {
_tls.clear();
return status;
}
}
return Status::OK();
}
void TransportLayerManager::appendStatsForServerStatus(BSONObjBuilder* bob) const {
_foreach([&](const TransportLayer* tl) { tl->appendStatsForServerStatus(bob); });
}
void TransportLayerManager::appendStatsForFTDC(BSONObjBuilder& bob) const {
_foreach([&](const TransportLayer* tl) { tl->appendStatsForFTDC(bob); });
}
Status TransportLayerManager::addAndStartTransportLayer(std::unique_ptr<TransportLayer> tl) {
auto ptr = tl.get();
{
stdx::lock_guard<Latch> lk(_tlsMutex);
_tls.emplace_back(std::move(tl));
}
return ptr->start();
}
std::unique_ptr<TransportLayer> TransportLayerManager::makeAndStartDefaultEgressTransportLayer() {
transport::AsioTransportLayer::Options opts(&serverGlobalParams);
opts.mode = transport::AsioTransportLayer::Options::kEgress;
opts.ipList.clear();
auto ret = std::make_unique<transport::AsioTransportLayer>(opts, nullptr);
uassertStatusOK(ret->setup());
uassertStatusOK(ret->start());
return std::unique_ptr<TransportLayer>(std::move(ret));
}
std::unique_ptr<TransportLayer> TransportLayerManager::createWithConfig(
const ServerGlobalParams* config, ServiceContext* ctx, boost::optional<int> loadBalancerPort) {
auto sep = ctx->getServiceEntryPoint();
transport::AsioTransportLayer::Options opts(config, loadBalancerPort);
std::vector<std::unique_ptr<TransportLayer>> retVector;
retVector.emplace_back(std::make_unique<transport::AsioTransportLayer>(opts, sep));
return std::make_unique<TransportLayerManager>(std::move(retVector));
}
#ifdef MONGO_CONFIG_SSL
Status TransportLayerManager::rotateCertificates(std::shared_ptr<SSLManagerInterface> manager,
bool asyncOCSPStaple) {
for (auto&& tl : _tls) {
auto status = tl->rotateCertificates(manager, asyncOCSPStaple);
if (!status.isOK()) {
return status;
}
}
return Status::OK();
}
StatusWith<std::shared_ptr<const transport::SSLConnectionContext>>
TransportLayerManager::createTransientSSLContext(const TransientSSLParams& transientSSLParams) {
Status firstError(ErrorCodes::InvalidSSLConfiguration,
"Failure creating transient SSL context");
for (auto&& tl : _tls) {
auto statusOrContext = tl->createTransientSSLContext(transientSSLParams);
if (statusOrContext.isOK()) {
return std::move(statusOrContext.getValue());
}
firstError = statusOrContext.getStatus();
}
return firstError;
}
#endif
} // namespace transport
} // namespace mongo
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