/**
* Copyright (C) 2016 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*
* 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 GNU Affero General 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 "mongo/base/status.h"
#include "mongo/db/server_options.h"
#include "mongo/db/service_context.h"
#include "mongo/stdx/memory.h"
#include "mongo/transport/service_executor_adaptive.h"
#include "mongo/transport/service_executor_synchronous.h"
#include "mongo/transport/session.h"
#include "mongo/transport/transport_layer_asio.h"
#include "mongo/transport/transport_layer_legacy.h"
#include "mongo/util/net/ssl_types.h"
#include "mongo/util/time_support.h"
#include
#include
namespace mongo {
namespace transport {
TransportLayerManager::TransportLayerManager() = default;
Ticket TransportLayerManager::sourceMessage(const SessionHandle& session,
Message* message,
Date_t expiration) {
return session->getTransportLayer()->sourceMessage(session, message, expiration);
}
Ticket TransportLayerManager::sinkMessage(const SessionHandle& session,
const Message& message,
Date_t expiration) {
return session->getTransportLayer()->sinkMessage(session, message, expiration);
}
Status TransportLayerManager::wait(Ticket&& ticket) {
return getTicketTransportLayer(ticket)->wait(std::move(ticket));
}
void TransportLayerManager::asyncWait(Ticket&& ticket, TicketCallback callback) {
return getTicketTransportLayer(ticket)->asyncWait(std::move(ticket), std::move(callback));
}
template
void TransportLayerManager::_foreach(Callable&& cb) const {
{
stdx::lock_guard lk(_tlsMutex);
for (auto&& tl : _tls) {
cb(tl.get());
}
}
}
void TransportLayerManager::end(const SessionHandle& session) {
session->getTransportLayer()->end(session);
}
// 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();
}
Status TransportLayerManager::addAndStartTransportLayer(std::unique_ptr tl) {
auto ptr = tl.get();
{
stdx::lock_guard lk(_tlsMutex);
_tls.emplace_back(std::move(tl));
}
return ptr->start();
}
std::unique_ptr TransportLayerManager::createWithConfig(
const ServerGlobalParams* config, ServiceContext* ctx) {
std::unique_ptr transportLayer;
auto sep = ctx->getServiceEntryPoint();
if (config->transportLayer == "asio") {
transport::TransportLayerASIO::Options opts(config);
if (config->serviceExecutor == "adaptive") {
opts.transportMode = transport::Mode::kAsynchronous;
} else if (config->serviceExecutor == "synchronous") {
opts.transportMode = transport::Mode::kSynchronous;
} else {
MONGO_UNREACHABLE;
}
auto transportLayerASIO = stdx::make_unique(opts, sep);
if (config->serviceExecutor == "adaptive") {
ctx->setServiceExecutor(stdx::make_unique(
ctx, transportLayerASIO->getIOContext()));
} else if (config->serviceExecutor == "synchronous") {
ctx->setServiceExecutor(stdx::make_unique(ctx));
}
transportLayer = std::move(transportLayerASIO);
} else if (serverGlobalParams.transportLayer == "legacy") {
transport::TransportLayerLegacy::Options opts(config);
transportLayer = stdx::make_unique(opts, sep);
ctx->setServiceExecutor(stdx::make_unique(ctx));
}
std::vector> retVector;
retVector.emplace_back(std::move(transportLayer));
return stdx::make_unique(std::move(retVector));
}
} // namespace transport
} // namespace mongo