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arangodb/arangod/GeneralServer/Acceptor.cpp

75 lines
2.7 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2016 ArangoDB GmbH, Cologne, Germany
///
/// 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.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Andreas Streichardt
////////////////////////////////////////////////////////////////////////////////
#include "GeneralServer/Acceptor.h"
#include "Basics/operating-system.h"
#include "GeneralServer/AcceptorTcp.h"
#include "Logger/LogMacros.h"
#include "Logger/Logger.h"
#include "Logger/LoggerStream.h"
#ifdef ARANGODB_HAVE_DOMAIN_SOCKETS
#include "GeneralServer/AcceptorUnixDomain.h"
#endif
using namespace arangodb;
using namespace arangodb::rest;
Acceptor::Acceptor(rest::GeneralServer& server, rest::IoContext& context, Endpoint* endpoint)
: _server(server), _ctx(context), _endpoint(endpoint), _open(false), _acceptFailures(0) {}
std::unique_ptr<Acceptor> Acceptor::factory(rest::GeneralServer& server,
rest::IoContext& context, Endpoint* endpoint) {
#ifdef ARANGODB_HAVE_DOMAIN_SOCKETS
if (endpoint->domainType() == Endpoint::DomainType::UNIX) {
return std::make_unique<AcceptorUnixDomain>(server, context, endpoint);
}
#endif
if (endpoint->encryption() == Endpoint::EncryptionType::SSL) {
return std::make_unique<AcceptorTcp<rest::SocketType::Ssl>>(server, context, endpoint);
} else {
TRI_ASSERT(endpoint->encryption() == Endpoint::EncryptionType::NONE);
return std::make_unique<AcceptorTcp<rest::SocketType::Tcp>>(server, context, endpoint);
}
}
void Acceptor::handleError(asio_ns::error_code const& ec) {
if (ec == asio_ns::error::operation_aborted) {
// this "error" is accpepted, so it doesn't justify a warning
LOG_TOPIC("74339", DEBUG, arangodb::Logger::COMMUNICATION)
<< "accept failed: " << ec.message();
return;
}
if (++_acceptFailures <= maxAcceptErrors) {
LOG_TOPIC("644df", WARN, arangodb::Logger::COMMUNICATION)
<< "accept failed: " << ec.message();
if (_acceptFailures == maxAcceptErrors) {
LOG_TOPIC("40ca3", WARN, arangodb::Logger::COMMUNICATION)
<< "too many accept failures, stopping to report";
}
}
asyncAccept(); // retry
return;
}