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arangodb/arangod/Agency/AgentCallback.cpp

70 lines
2.4 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 Kaveh Vahedipour
////////////////////////////////////////////////////////////////////////////////
#include "AgentCallback.h"
#include "Agency/Agent.h"
using namespace arangodb::consensus;
using namespace arangodb::velocypack;
AgentCallback::AgentCallback() :
_agent(0), _last(0), _toLog(0), _startTime(0.0) {}
AgentCallback::AgentCallback(Agent* agent, std::string const& slaveID,
index_t last, size_t toLog)
: _agent(agent), _last(last), _slaveID(slaveID), _toLog(toLog),
_startTime(TRI_microtime()) {}
void AgentCallback::shutdown() { _agent = 0; }
bool AgentCallback::operator()(arangodb::ClusterCommResult* res) {
if (res->status == CL_COMM_SENT) {
if (_agent) {
auto body = res->result->getBodyVelocyPack();
if (!body->slice().get("success").isTrue()) {
LOG_TOPIC(DEBUG, Logger::CLUSTER)
<< "Got negative answer from follower, will retry later.";
} else {
LOG_TOPIC(DEBUG, Logger::CLUSTER)
<< body->slice().toJson();
_agent->reportIn(_slaveID, _last, _toLog);
}
}
LOG_TOPIC(TRACE, Logger::AGENCY)
<< "Got good callback from AppendEntriesRPC: "
<< "comm_status(" << res->status
<< "), last(" << _last << "), follower("
<< _slaveID << "), time("
<< TRI_microtime() - _startTime << ")";
} else {
LOG_TOPIC(DEBUG, Logger::AGENCY)
<< "Got bad callback from AppendEntriesRPC: "
<< "comm_status(" << res->status
<< "), last(" << _last << "), follower("
<< _slaveID << "), time("
<< TRI_microtime() - _startTime << ")";
}
return true;
}