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arangodb/arangod/Cluster/ServerJob.h

113 lines
3.4 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS 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 Jan Steemann
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_CLUSTER_SERVER_JOB_H
#define ARANGOD_CLUSTER_SERVER_JOB_H 1
#include "Dispatcher/Job.h"
#include "Basics/Exceptions.h"
#include "Basics/Mutex.h"
struct TRI_server_t;
namespace arangodb {
class HeartbeatThread;
class ServerJob : public arangodb::rest::Job {
ServerJob(ServerJob const&) = delete;
ServerJob& operator=(ServerJob const&) = delete;
public:
ServerJob(HeartbeatThread* heartbeat);
~ServerJob();
public:
//////////////////////////////////////////////////////////////////////////////
/// @brief abandon job
//////////////////////////////////////////////////////////////////////////////
void abandon();
public:
//////////////////////////////////////////////////////////////////////////////
/// @brief whether or not the job is detached
//////////////////////////////////////////////////////////////////////////////
inline bool isDetached() const { return true; }
void work() override;
bool cancel() override;
void cleanup(rest::DispatcherQueue* queue) override;
bool beginShutdown() {
_shutdown = 1;
return true;
}
void handleError(basics::Exception const& ex) override {}
//////////////////////////////////////////////////////////////////////////////
/// @brief execute job
//////////////////////////////////////////////////////////////////////////////
bool execute();
private:
//////////////////////////////////////////////////////////////////////////////
/// @brief the heartbeat thread
//////////////////////////////////////////////////////////////////////////////
HeartbeatThread* _heartbeat;
//////////////////////////////////////////////////////////////////////////////
/// @brief server
//////////////////////////////////////////////////////////////////////////////
TRI_server_t* _server;
protected:
//////////////////////////////////////////////////////////////////////////////
/// @brief shutdown in progress
//////////////////////////////////////////////////////////////////////////////
volatile sig_atomic_t _shutdown;
//////////////////////////////////////////////////////////////////////////////
/// @brief server is dead lock
//////////////////////////////////////////////////////////////////////////////
Mutex _abandonLock;
//////////////////////////////////////////////////////////////////////////////
/// @brief server is dead
//////////////////////////////////////////////////////////////////////////////
bool _abandon;
};
}
#endif