llmetrics.cpp

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#include "linden_common.h"
#include "llmetrics.h"

#include "llsd.h"
#include "llsdserialize.h"
#include "llframetimer.h"

class LLMetricsImpl
{
public:
        LLMetricsImpl() { }
        ~LLMetricsImpl();

        void recordEvent(const std::string& location, const std::string& mesg, bool success);
        void printTotals(LLSD metadata);
        void recordEventDetails(const std::string& location, 
                                                                        const std::string& mesg, 
                                                                        bool success, 
                                                                        LLSD stats);
private:
        LLFrameTimer mLastPrintTimer;
        LLSD mMetricsMap;
};

LLMetricsImpl::~LLMetricsImpl()
{
}

void LLMetricsImpl::recordEventDetails(const std::string& location, 
                                                                        const std::string& mesg, 
                                                                        bool success, 
                                                                        LLSD stats)
{
        recordEvent(location,mesg,success);

        LLSD metrics = LLSD::emptyMap();
        metrics["location"] = location;
        metrics["stats"]  = stats;
        
        llinfos << "LLMETRICS: " << LLSDNotationStreamer(metrics) << llendl; 
}

// Store this:
// [ {'location_1':{'mesg_1':{'success':i10, 'fail':i0},
//                                      'mesg_2':{'success':i10, 'fail':i0}},
//   {'location_2',{'mesg_3':{'success':i10, 'fail':i0}} ]
void LLMetricsImpl::recordEvent(const std::string& location, const std::string& mesg, bool success)
{
        LLSD& stats = mMetricsMap[location][mesg];
        if (success)
        {
                stats["success"] = stats["success"].asInteger() + 1;
        }
        else
        {
                stats["fail"] = stats["fail"].asInteger() + 1;
        }
}

// Print this:
// { 'meta':
//              { 'elapsed_time':r3600.000 }
//   'stats':
//              [ {'location':'location_1', 'mesg':'mesg_1', 'success':i10, 'fail':i0},
//                {'location':'location_1', 'mesg':'mesg_2', 'success':i10, 'fail':i0},
//                {'location':'location_2', 'mesg':'mesg_3', 'success':i10, 'fail':i0} ] }
void LLMetricsImpl::printTotals(LLSD metadata)
{
        F32 elapsed_time = mLastPrintTimer.getElapsedTimeAndResetF32();
        metadata["elapsed_time"] = elapsed_time;

        LLSD out_sd = LLSD::emptyMap();
        out_sd["meta"] = metadata;
                
        LLSD stats = LLSD::emptyArray();

        LLSD::map_const_iterator loc_it = mMetricsMap.beginMap();
        LLSD::map_const_iterator loc_end = mMetricsMap.endMap();
        for ( ; loc_it != loc_end; ++loc_it)
        {
                const std::string& location = (*loc_it).first;
                
                const LLSD& loc_map = (*loc_it).second;
                LLSD::map_const_iterator mesg_it = loc_map.beginMap();
                LLSD::map_const_iterator mesg_end = loc_map.endMap();
                for ( ; mesg_it != mesg_end; ++mesg_it)
                {
                        const std::string& mesg = (*mesg_it).first;
                        const LLSD& mesg_map = (*mesg_it).second;

                        LLSD entry = LLSD::emptyMap();
                        entry["location"] = location;
                        entry["mesg"] = mesg;
                        entry["success"] = mesg_map["success"];
                        entry["fail"] = mesg_map["fail"];
                
                        stats.append(entry);
                }
        }

        out_sd["stats"] = stats;

        llinfos << "LLMETRICS: AGGREGATE: " << LLSDOStreamer<LLSDNotationFormatter>(out_sd) << llendl;
}

LLMetrics::LLMetrics()
{
        mImpl = new LLMetricsImpl();
}

LLMetrics::~LLMetrics()
{
        delete mImpl;
        mImpl = NULL;
}

void LLMetrics::recordEvent(const std::string& location, const std::string& mesg, bool success)
{
        if (mImpl) mImpl->recordEvent(location,mesg,success);
}

void LLMetrics::printTotals(LLSD meta)
{
        if (mImpl) mImpl->printTotals(meta);
}


void LLMetrics::recordEventDetails(const std::string& location, 
                                                                        const std::string& mesg, 
                                                                        bool success, 
                                                                        LLSD stats)
{
        if (mImpl) mImpl->recordEventDetails(location,mesg,success,stats);
}

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