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arangodb/arangod/Statistics/statistics.h

347 lines
14 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// @brief statistics basics
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2014 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 Dr. Frank Celler
/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
/// @author Copyright 2012-2014, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGODB_STATISTICS_STATISTICS_H
#define ARANGODB_STATISTICS_STATISTICS_H 1
#include "Basics/Common.h"
#include "Rest/HttpRequest.h"
#include "Statistics/figures.h"
// -----------------------------------------------------------------------------
// --SECTION-- public types
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief request statistics
////////////////////////////////////////////////////////////////////////////////
struct TRI_request_statistics_t {
TRI_request_statistics_t ()
: _readStart(0.0),
_readEnd(0.0),
_queueStart(0.0),
_queueEnd(0.0),
_requestStart(0.0),
_requestEnd(0.0),
_writeStart(0.0),
_writeEnd(0.0),
_receivedBytes(0.0),
_sentBytes(0.0),
_requestType(triagens::rest::HttpRequest::HTTP_REQUEST_ILLEGAL),
_async(false),
_tooLarge(false),
_executeError(false),
_ignore(false) {
}
void reset () {
_readStart = 0.0;
_readEnd = 0.0;
_queueStart = 0.0;
_queueEnd = 0.0;
_requestStart = 0.0;
_requestEnd = 0.0;
_writeStart = 0.0;
_writeEnd = 0.0;
_receivedBytes = 0.0;
_sentBytes = 0.0;
_requestType = triagens::rest::HttpRequest::HTTP_REQUEST_ILLEGAL;
_async = false;
_tooLarge = false;
_executeError = false;
_ignore = false;
}
double _readStart;
double _readEnd;
double _queueStart;
double _queueEnd;
double _requestStart;
double _requestEnd;
double _writeStart;
double _writeEnd;
double _receivedBytes;
double _sentBytes;
triagens::rest::HttpRequest::HttpRequestType _requestType;
bool _async;
bool _tooLarge;
bool _executeError;
bool _ignore;
};
////////////////////////////////////////////////////////////////////////////////
/// @brief connection statistics
////////////////////////////////////////////////////////////////////////////////
struct TRI_connection_statistics_t {
TRI_connection_statistics_t ()
: _connStart(0.0),
_connEnd(0.0),
_http(false),
_error(false) {
}
void reset () {
_connStart = 0.0;
_connEnd = 0.0;
_http = false;
_error = false;
}
double _connStart;
double _connEnd;
bool _http;
bool _error;
};
////////////////////////////////////////////////////////////////////////////////
/// @brief global server statistics
////////////////////////////////////////////////////////////////////////////////
struct TRI_server_statistics_t {
TRI_server_statistics_t ()
: _startTime(0.0),
_uptime(0.0) {
}
double _startTime;
double _uptime;
};
// -----------------------------------------------------------------------------
// --SECTION-- public request statistics functions
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief gets a new statistics block
////////////////////////////////////////////////////////////////////////////////
TRI_request_statistics_t* TRI_AcquireRequestStatistics (void);
////////////////////////////////////////////////////////////////////////////////
/// @brief releases a statistics block
////////////////////////////////////////////////////////////////////////////////
void TRI_ReleaseRequestStatistics (TRI_request_statistics_t*);
////////////////////////////////////////////////////////////////////////////////
/// @brief fills the current statistics
////////////////////////////////////////////////////////////////////////////////
void TRI_FillRequestStatistics (triagens::basics::StatisticsDistribution& totalTime,
triagens::basics::StatisticsDistribution& requestTime,
triagens::basics::StatisticsDistribution& queueTime,
triagens::basics::StatisticsDistribution& ioTime,
triagens::basics::StatisticsDistribution& bytesSent,
triagens::basics::StatisticsDistribution& bytesReceived);
// -----------------------------------------------------------------------------
// --SECTION-- public connection statistics functions
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief gets a new statistics block
////////////////////////////////////////////////////////////////////////////////
TRI_connection_statistics_t* TRI_AcquireConnectionStatistics (void);
////////////////////////////////////////////////////////////////////////////////
/// @brief releases a statistics block
////////////////////////////////////////////////////////////////////////////////
void TRI_ReleaseConnectionStatistics (TRI_connection_statistics_t*);
////////////////////////////////////////////////////////////////////////////////
/// @brief fills the current statistics
////////////////////////////////////////////////////////////////////////////////
void TRI_FillConnectionStatistics (triagens::basics::StatisticsCounter& httpConnections,
triagens::basics::StatisticsCounter& totalRequests,
std::vector<triagens::basics::StatisticsCounter>& methodRequests,
triagens::basics::StatisticsCounter& asyncRequests,
triagens::basics::StatisticsDistribution& connectionTime);
// -----------------------------------------------------------------------------
// --SECTION-- public server statistics functions
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief gets the server statistics
////////////////////////////////////////////////////////////////////////////////
TRI_server_statistics_t TRI_GetServerStatistics ();
// -----------------------------------------------------------------------------
// --SECTION-- public variables
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief statistics enabled flags
////////////////////////////////////////////////////////////////////////////////
extern bool TRI_ENABLE_STATISTICS;
////////////////////////////////////////////////////////////////////////////////
/// @brief number of http connections
////////////////////////////////////////////////////////////////////////////////
extern triagens::basics::StatisticsCounter TRI_HttpConnectionsStatistics;
////////////////////////////////////////////////////////////////////////////////
/// @brief total number of requests
////////////////////////////////////////////////////////////////////////////////
extern triagens::basics::StatisticsCounter TRI_TotalRequestsStatistics;
////////////////////////////////////////////////////////////////////////////////
/// @brief number of requests by HTTP method
////////////////////////////////////////////////////////////////////////////////
extern std::vector<triagens::basics::StatisticsCounter> TRI_MethodRequestsStatistics;
////////////////////////////////////////////////////////////////////////////////
/// @brief number of async requests
////////////////////////////////////////////////////////////////////////////////
extern triagens::basics::StatisticsCounter TRI_AsyncRequestsStatistics;
////////////////////////////////////////////////////////////////////////////////
/// @brief connection time distribution vector
////////////////////////////////////////////////////////////////////////////////
extern triagens::basics::StatisticsVector TRI_ConnectionTimeDistributionVectorStatistics;
////////////////////////////////////////////////////////////////////////////////
/// @brief total time distribution
////////////////////////////////////////////////////////////////////////////////
extern triagens::basics::StatisticsDistribution* TRI_ConnectionTimeDistributionStatistics;
////////////////////////////////////////////////////////////////////////////////
/// @brief request time distribution vector
////////////////////////////////////////////////////////////////////////////////
extern triagens::basics::StatisticsVector TRI_RequestTimeDistributionVectorStatistics;
////////////////////////////////////////////////////////////////////////////////
/// @brief total time distribution
////////////////////////////////////////////////////////////////////////////////
extern triagens::basics::StatisticsDistribution* TRI_TotalTimeDistributionStatistics;
////////////////////////////////////////////////////////////////////////////////
/// @brief request time distribution
////////////////////////////////////////////////////////////////////////////////
extern triagens::basics::StatisticsDistribution* TRI_RequestTimeDistributionStatistics;
////////////////////////////////////////////////////////////////////////////////
/// @brief queue time distribution
////////////////////////////////////////////////////////////////////////////////
extern triagens::basics::StatisticsDistribution* TRI_QueueTimeDistributionStatistics;
////////////////////////////////////////////////////////////////////////////////
/// @brief i/o distribution
////////////////////////////////////////////////////////////////////////////////
extern triagens::basics::StatisticsDistribution* TRI_IoTimeDistributionStatistics;
////////////////////////////////////////////////////////////////////////////////
/// @brief bytes sent distribution vector
////////////////////////////////////////////////////////////////////////////////
extern triagens::basics::StatisticsVector TRI_BytesSentDistributionVectorStatistics;
////////////////////////////////////////////////////////////////////////////////
/// @brief bytes sent distribution
////////////////////////////////////////////////////////////////////////////////
extern triagens::basics::StatisticsDistribution* TRI_BytesSentDistributionStatistics;
////////////////////////////////////////////////////////////////////////////////
/// @brief bytes received distribution vector
////////////////////////////////////////////////////////////////////////////////
extern triagens::basics::StatisticsVector TRI_BytesReceivedDistributionVectorStatistics;
////////////////////////////////////////////////////////////////////////////////
/// @brief bytes received distribution
////////////////////////////////////////////////////////////////////////////////
extern triagens::basics::StatisticsDistribution* TRI_BytesReceivedDistributionStatistics;
////////////////////////////////////////////////////////////////////////////////
/// @brief global server statistics
////////////////////////////////////////////////////////////////////////////////
extern TRI_server_statistics_t TRI_ServerStatistics;
// -----------------------------------------------------------------------------
// --SECTION-- public functions
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief gets the current wallclock time
////////////////////////////////////////////////////////////////////////////////
double TRI_StatisticsTime (void);
// -----------------------------------------------------------------------------
// --SECTION-- module initialization
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief module init function
////////////////////////////////////////////////////////////////////////////////
void TRI_InitializeStatistics (void);
////////////////////////////////////////////////////////////////////////////////
/// @brief shut down statistics
////////////////////////////////////////////////////////////////////////////////
void TRI_ShutdownStatistics (void);
#endif
// -----------------------------------------------------------------------------
// --SECTION-- END-OF-FILE
// -----------------------------------------------------------------------------
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// mode: outline-minor
// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @page\\|// --SECTION--\\|/// @\\}"
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