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arangodb/arangod/V8Server/v8-statistics.cpp

223 lines
10 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// @brief V8 statistics functions
///
/// @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 2011-2014, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
#include "v8-statistics.h"
#include "Basics/process-utils.h"
#include "Basics/StringUtils.h"
#include "Statistics/statistics.h"
#include "V8/v8-conv.h"
#include "V8/v8-globals.h"
#include "V8/v8-utils.h"
using namespace std;
using namespace triagens::arango;
using namespace triagens::basics;
using namespace triagens::rest;
////////////////////////////////////////////////////////////////////////////////
/// @brief creates a distribution vector
////////////////////////////////////////////////////////////////////////////////
static v8::Handle<v8::Array> DistributionList (v8::Isolate* isolate,
StatisticsVector const& dist) {
v8::EscapableHandleScope scope(isolate);
v8::Handle<v8::Array> result = v8::Array::New(isolate);
for (uint32_t i = 0; i < (uint32_t) dist._value.size(); ++i) {
result->Set(i, v8::Number::New(isolate, dist._value[i]));
}
return scope.Escape<v8::Array>(result);
}
////////////////////////////////////////////////////////////////////////////////
/// @brief fills the distribution
////////////////////////////////////////////////////////////////////////////////
static void FillDistribution (v8::Isolate* isolate,
v8::Handle<v8::Object> list,
v8::Handle<v8::String> name,
StatisticsDistribution const& dist) {
v8::Handle<v8::Object> result = v8::Object::New(isolate);
result->Set(TRI_V8_ASCII_STRING("sum"), v8::Number::New(isolate, dist._total));
result->Set(TRI_V8_ASCII_STRING("count"), v8::Number::New(isolate, (double) dist._count));
v8::Handle<v8::Array> counts = v8::Array::New(isolate, (int) dist._counts.size());
uint32_t pos = 0;
for (vector<uint64_t>::const_iterator i = dist._counts.begin(); i != dist._counts.end(); ++i, ++pos) {
counts->Set(pos, v8::Number::New(isolate, (double) *i));
}
result->Set(TRI_V8_ASCII_STRING("counts"), counts);
list->Set(name, result);
}
// -----------------------------------------------------------------------------
// --SECTION-- JS functions
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief returns server statistics
///
/// @FUN{internal.serverStatistics()}
///
/// Returns information about the server:
///
/// - `uptime`: time since server start in seconds.
////////////////////////////////////////////////////////////////////////////////
static void JS_ServerStatistics (const v8::FunctionCallbackInfo<v8::Value>& args) {
TRI_V8_TRY_CATCH_BEGIN(isolate)
v8::HandleScope scope(isolate);
TRI_server_statistics_t info = TRI_GetServerStatistics();
v8::Handle<v8::Object> result = v8::Object::New(isolate);
result->Set(TRI_V8_ASCII_STRING("uptime"), v8::Number::New(isolate, (double) info._uptime));
result->Set(TRI_V8_ASCII_STRING("physicalMemory"), v8::Number::New(isolate, (double) TRI_PhysicalMemory));
TRI_V8_RETURN(result);
TRI_V8_TRY_CATCH_END
}
////////////////////////////////////////////////////////////////////////////////
/// @brief returns the current request and connection statistics
////////////////////////////////////////////////////////////////////////////////
static void JS_ClientStatistics (const v8::FunctionCallbackInfo<v8::Value>& args) {
TRI_V8_TRY_CATCH_BEGIN(isolate)
v8::HandleScope scope(isolate);
v8::Handle<v8::Object> result = v8::Object::New(isolate);
StatisticsCounter httpConnections;
StatisticsCounter totalRequests;
vector<StatisticsCounter> methodRequests;
StatisticsCounter asyncRequests;
StatisticsDistribution connectionTime;
TRI_FillConnectionStatistics(httpConnections, totalRequests, methodRequests, asyncRequests, connectionTime);
result->Set(TRI_V8_ASCII_STRING("httpConnections"), v8::Number::New(isolate, (double) httpConnections._count));
FillDistribution(isolate, result, TRI_V8_ASCII_STRING("connectionTime"), connectionTime);
StatisticsDistribution totalTime;
StatisticsDistribution requestTime;
StatisticsDistribution queueTime;
StatisticsDistribution ioTime;
StatisticsDistribution bytesSent;
StatisticsDistribution bytesReceived;
TRI_FillRequestStatistics(totalTime, requestTime, queueTime, ioTime, bytesSent, bytesReceived);
FillDistribution(isolate, result, TRI_V8_ASCII_STRING("totalTime"), totalTime);
FillDistribution(isolate, result, TRI_V8_ASCII_STRING("requestTime"), requestTime);
FillDistribution(isolate, result, TRI_V8_ASCII_STRING("queueTime"), queueTime);
FillDistribution(isolate, result, TRI_V8_ASCII_STRING("ioTime"), ioTime);
FillDistribution(isolate, result, TRI_V8_ASCII_STRING("bytesSent"), bytesSent);
FillDistribution(isolate, result, TRI_V8_ASCII_STRING("bytesReceived"), bytesReceived);
TRI_V8_RETURN(result);
TRI_V8_TRY_CATCH_END
}
////////////////////////////////////////////////////////////////////////////////
/// @brief returns the current http statistics
////////////////////////////////////////////////////////////////////////////////
static void JS_HttpStatistics (const v8::FunctionCallbackInfo<v8::Value>& args) {
TRI_V8_TRY_CATCH_BEGIN(isolate);
v8::HandleScope scope(isolate);
v8::Handle<v8::Object> result = v8::Object::New(isolate);
StatisticsCounter httpConnections;
StatisticsCounter totalRequests;
vector<StatisticsCounter> methodRequests;
StatisticsCounter asyncRequests;
StatisticsDistribution connectionTime;
TRI_FillConnectionStatistics(httpConnections, totalRequests, methodRequests, asyncRequests, connectionTime);
// request counters
result->Set(TRI_V8_ASCII_STRING("requestsTotal"), v8::Number::New(isolate, (double) totalRequests._count));
result->Set(TRI_V8_ASCII_STRING("requestsAsync"), v8::Number::New(isolate, (double) asyncRequests._count));
result->Set(TRI_V8_ASCII_STRING("requestsGet"), v8::Number::New(isolate, (double) methodRequests[(int) HttpRequest::HTTP_REQUEST_GET]._count));
result->Set(TRI_V8_ASCII_STRING("requestsHead"), v8::Number::New(isolate, (double) methodRequests[(int) HttpRequest::HTTP_REQUEST_HEAD]._count));
result->Set(TRI_V8_ASCII_STRING("requestsPost"), v8::Number::New(isolate, (double) methodRequests[(int) HttpRequest::HTTP_REQUEST_POST]._count));
result->Set(TRI_V8_ASCII_STRING("requestsPut"), v8::Number::New(isolate, (double) methodRequests[(int) HttpRequest::HTTP_REQUEST_PUT]._count));
result->Set(TRI_V8_ASCII_STRING("requestsPatch"), v8::Number::New(isolate, (double) methodRequests[(int) HttpRequest::HTTP_REQUEST_PATCH]._count));
result->Set(TRI_V8_ASCII_STRING("requestsDelete"), v8::Number::New(isolate, (double) methodRequests[(int) HttpRequest::HTTP_REQUEST_DELETE]._count));
result->Set(TRI_V8_ASCII_STRING("requestsOptions"), v8::Number::New(isolate, (double) methodRequests[(int) HttpRequest::HTTP_REQUEST_OPTIONS]._count));
result->Set(TRI_V8_ASCII_STRING("requestsOther"), v8::Number::New(isolate, (double) methodRequests[(int) HttpRequest::HTTP_REQUEST_ILLEGAL]._count));
TRI_V8_RETURN(result);
TRI_V8_TRY_CATCH_END
}
// -----------------------------------------------------------------------------
// --SECTION-- module initialization
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief initializes the statistics functions
////////////////////////////////////////////////////////////////////////////////
void TRI_InitV8Statistics (v8::Isolate* isolate,
v8::Handle<v8::Context> context) {
v8::HandleScope scope(isolate);
// .............................................................................
// create the global functions
// .............................................................................
TRI_AddGlobalFunctionVocbase(isolate, context, TRI_V8_ASCII_STRING("SYS_CLIENT_STATISTICS"), JS_ClientStatistics);
TRI_AddGlobalFunctionVocbase(isolate, context, TRI_V8_ASCII_STRING("SYS_HTTP_STATISTICS"), JS_HttpStatistics);
TRI_AddGlobalFunctionVocbase(isolate, context, TRI_V8_ASCII_STRING("SYS_SERVER_STATISTICS"), JS_ServerStatistics);
TRI_AddGlobalVariableVocbase(isolate, context, TRI_V8_ASCII_STRING("CONNECTION_TIME_DISTRIBUTION"), DistributionList(isolate, TRI_ConnectionTimeDistributionVectorStatistics));
TRI_AddGlobalVariableVocbase(isolate, context, TRI_V8_ASCII_STRING("REQUEST_TIME_DISTRIBUTION"), DistributionList(isolate, TRI_RequestTimeDistributionVectorStatistics));
TRI_AddGlobalVariableVocbase(isolate, context, TRI_V8_ASCII_STRING("BYTES_SENT_DISTRIBUTION"), DistributionList(isolate, TRI_BytesSentDistributionVectorStatistics));
TRI_AddGlobalVariableVocbase(isolate, context, TRI_V8_ASCII_STRING("BYTES_RECEIVED_DISTRIBUTION"), DistributionList(isolate, TRI_BytesReceivedDistributionVectorStatistics));
}
// -----------------------------------------------------------------------------
// --SECTION-- END-OF-FILE
// -----------------------------------------------------------------------------
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