mirror of https://gitee.com/bigwinds/arangodb
128 lines
3.8 KiB
C++
128 lines
3.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_CLUSTER_SERVER_JOB_H
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#define ARANGOD_CLUSTER_SERVER_JOB_H 1
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#include "Dispatcher/Job.h"
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#include "Basics/Exceptions.h"
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#include "Basics/Mutex.h"
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//struct TRI_server_t;
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namespace arangodb {
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class HeartbeatThread;
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struct DBServerAgencySyncResult {
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bool success;
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uint64_t planVersion;
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uint64_t currentVersion;
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DBServerAgencySyncResult() : success(false), planVersion(0), currentVersion(0) {
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}
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DBServerAgencySyncResult(const DBServerAgencySyncResult& other)
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: success(other.success),
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planVersion(other.planVersion),
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currentVersion(other.currentVersion) {
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}
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};
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class DBServerAgencySync : public arangodb::rest::Job {
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DBServerAgencySync(DBServerAgencySync const&) = delete;
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DBServerAgencySync& operator=(DBServerAgencySync const&) = delete;
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public:
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explicit DBServerAgencySync(HeartbeatThread* heartbeat);
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~DBServerAgencySync();
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public:
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//////////////////////////////////////////////////////////////////////////////
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/// @brief abandon job
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//////////////////////////////////////////////////////////////////////////////
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void abandon();
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public:
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//////////////////////////////////////////////////////////////////////////////
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/// @brief whether or not the job is detached
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//////////////////////////////////////////////////////////////////////////////
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inline bool isDetached() const { return true; }
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void work() override;
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bool cancel() override;
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void cleanup(rest::DispatcherQueue* queue) override;
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bool beginShutdown() {
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_shutdown = 1;
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return true;
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}
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void handleError(basics::Exception const& ex) override {}
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//////////////////////////////////////////////////////////////////////////////
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/// @brief execute job
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//////////////////////////////////////////////////////////////////////////////
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DBServerAgencySyncResult execute();
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private:
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//////////////////////////////////////////////////////////////////////////////
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/// @brief the heartbeat thread
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//////////////////////////////////////////////////////////////////////////////
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HeartbeatThread* _heartbeat;
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//////////////////////////////////////////////////////////////////////////////
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/// @brief server
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//////////////////////////////////////////////////////////////////////////////
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// TRI_server_t* _server;
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protected:
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//////////////////////////////////////////////////////////////////////////////
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/// @brief shutdown in progress
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//////////////////////////////////////////////////////////////////////////////
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volatile sig_atomic_t _shutdown;
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//////////////////////////////////////////////////////////////////////////////
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/// @brief server is dead lock
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//////////////////////////////////////////////////////////////////////////////
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Mutex _abandonLock;
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//////////////////////////////////////////////////////////////////////////////
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/// @brief server is dead
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//////////////////////////////////////////////////////////////////////////////
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bool _abandon;
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};
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}
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#endif
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