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| 1 | +// Copyright 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved. |
| 2 | +// SPDX-License-Identifier: Apache-2.0 |
| 3 | + |
| 4 | +package software.aws.toolkits.jetbrains.services.codewhisperer.telemetry |
| 5 | + |
| 6 | +import com.intellij.openapi.Disposable |
| 7 | +import com.intellij.openapi.application.ApplicationManager |
| 8 | +import com.intellij.openapi.editor.RangeMarker |
| 9 | +import com.intellij.openapi.editor.event.DocumentEvent |
| 10 | +import com.intellij.openapi.editor.impl.event.DocumentEventImpl |
| 11 | +import com.intellij.util.Alarm |
| 12 | +import com.intellij.util.AlarmFactory |
| 13 | +import org.jetbrains.annotations.TestOnly |
| 14 | +import software.aws.toolkits.core.utils.debug |
| 15 | +import software.aws.toolkits.core.utils.getLogger |
| 16 | +import software.aws.toolkits.jetbrains.services.codewhisperer.model.InvocationContext |
| 17 | +import software.aws.toolkits.jetbrains.services.codewhisperer.model.SessionContext |
| 18 | +import software.aws.toolkits.jetbrains.services.codewhisperer.popup.CodeWhispererPopupManager |
| 19 | +import software.aws.toolkits.jetbrains.services.codewhisperer.popup.CodeWhispererUserActionListener |
| 20 | +import software.aws.toolkits.jetbrains.services.codewhisperer.util.CodeWhispererConstants.TOTAL_SECONDS_IN_MINUTE |
| 21 | +import software.aws.toolkits.telemetry.CodewhispererLanguage |
| 22 | +import software.aws.toolkits.telemetry.CodewhispererTelemetry |
| 23 | +import java.time.Duration |
| 24 | +import java.time.Instant |
| 25 | +import java.util.concurrent.atomic.AtomicBoolean |
| 26 | +import java.util.concurrent.atomic.AtomicInteger |
| 27 | +import kotlin.math.roundToInt |
| 28 | + |
| 29 | +abstract class CodeWhispererCodeCoverageTracker( |
| 30 | + private val timeWindowInSec: Long, |
| 31 | + private val language: CodewhispererLanguage, |
| 32 | + private val acceptedTokens: AtomicInteger, |
| 33 | + private val totalTokens: AtomicInteger, |
| 34 | + private val rangeMarkers: MutableList<RangeMarker> |
| 35 | +) : Disposable { |
| 36 | + val percentage: Int |
| 37 | + get() = if (totalTokensSize != 0) calculatePercentage(acceptedTokensSize, totalTokensSize) else 0 |
| 38 | + val acceptedTokensSize: Int |
| 39 | + get() = acceptedTokens.get() |
| 40 | + val totalTokensSize: Int |
| 41 | + get() = totalTokens.get() |
| 42 | + val acceptedRecommendationsCount: Int |
| 43 | + get() = rangeMarkers.size |
| 44 | + private val alarm = AlarmFactory.getInstance().create(Alarm.ThreadToUse.POOLED_THREAD, this) |
| 45 | + private val isShuttingDown = AtomicBoolean(false) |
| 46 | + private var startTime: Instant = Instant.now() |
| 47 | + |
| 48 | + init { |
| 49 | + val conn = ApplicationManager.getApplication().messageBus.connect() |
| 50 | + conn.subscribe( |
| 51 | + CodeWhispererPopupManager.CODEWHISPERER_USER_ACTION_PERFORMED, |
| 52 | + object : CodeWhispererUserActionListener { |
| 53 | + override fun afterAccept(states: InvocationContext, sessionContext: SessionContext, rangeMarker: RangeMarker) { |
| 54 | + if (states.requestContext.fileContextInfo.programmingLanguage.toCodeWhispererLanguage() != language) return |
| 55 | + rangeMarkers.add(rangeMarker) |
| 56 | + } |
| 57 | + } |
| 58 | + ) |
| 59 | + scheduleCodeWhispererCodeCoverageTracker() |
| 60 | + } |
| 61 | + |
| 62 | + fun documentChanged(event: DocumentEvent) { |
| 63 | + // When open a file for the first time, IDE will also emit DocumentEvent for loading with `isWholeTextReplaced = true` |
| 64 | + // Added this condition to filter out those events |
| 65 | + if (event.isWholeTextReplaced) { |
| 66 | + LOG.debug { "event with isWholeTextReplaced flag: $event" } |
| 67 | + (event as? DocumentEventImpl)?.let { |
| 68 | + if (it.initialStartOffset == 0 && it.initialOldLength == event.document.textLength) return |
| 69 | + } |
| 70 | + } |
| 71 | + addAndGetTotalTokens(event.newLength - event.oldLength) |
| 72 | + } |
| 73 | + |
| 74 | + private fun flush() { |
| 75 | + try { |
| 76 | + if (isTelemetryEnabled()) emitCodeWhispererCodeContribution() |
| 77 | + } finally { |
| 78 | + reset() |
| 79 | + scheduleCodeWhispererCodeCoverageTracker() |
| 80 | + } |
| 81 | + } |
| 82 | + |
| 83 | + private fun scheduleCodeWhispererCodeCoverageTracker() { |
| 84 | + if (!alarm.isDisposed && !isShuttingDown.get()) { |
| 85 | + alarm.addRequest({ flush() }, Duration.ofSeconds(timeWindowInSec).toMillis()) |
| 86 | + } |
| 87 | + } |
| 88 | + |
| 89 | + private fun addAndGetAcceptedTokens(delta: Int): Int = |
| 90 | + if (!isTelemetryEnabled()) acceptedTokensSize |
| 91 | + else acceptedTokens.addAndGet(delta) |
| 92 | + |
| 93 | + private fun addAndGetTotalTokens(delta: Int): Int = |
| 94 | + if (!isTelemetryEnabled()) totalTokensSize |
| 95 | + else { |
| 96 | + val result = totalTokens.addAndGet(delta) |
| 97 | + if (result < 0) totalTokens.set(0) |
| 98 | + result |
| 99 | + } |
| 100 | + |
| 101 | + private fun reset() { |
| 102 | + startTime = Instant.now() |
| 103 | + totalTokens.set(0) |
| 104 | + acceptedTokens.set(0) |
| 105 | + rangeMarkers.clear() |
| 106 | + } |
| 107 | + |
| 108 | + private fun emitCodeWhispererCodeContribution() { |
| 109 | + rangeMarkers.forEach { |
| 110 | + if (!it.isValid) return@forEach |
| 111 | + addAndGetAcceptedTokens(it.endOffset - it.startOffset) |
| 112 | + } |
| 113 | + |
| 114 | + CodewhispererTelemetry.codePercentage( |
| 115 | + project = null, |
| 116 | + acceptedTokensSize, |
| 117 | + language, |
| 118 | + percentage, |
| 119 | + startTime.toString(), |
| 120 | + totalTokensSize |
| 121 | + ) |
| 122 | + } |
| 123 | + |
| 124 | + @TestOnly |
| 125 | + fun forceTrackerFlush() { |
| 126 | + alarm.drainRequestsInTest() |
| 127 | + } |
| 128 | + |
| 129 | + @TestOnly |
| 130 | + fun activeRequestCount() = alarm.activeRequestCount |
| 131 | + |
| 132 | + override fun dispose() { |
| 133 | + if (isShuttingDown.getAndSet(true)) { |
| 134 | + return |
| 135 | + } |
| 136 | + flush() |
| 137 | + } |
| 138 | + |
| 139 | + companion object { |
| 140 | + private val LOG = getLogger<CodeWhispererCodeCoverageTracker>() |
| 141 | + private val instances: MutableMap<CodewhispererLanguage, CodeWhispererCodeCoverageTracker> = mutableMapOf() |
| 142 | + |
| 143 | + fun calculatePercentage(acceptedTokens: Int, totalTokens: Int): Int = ((acceptedTokens.toDouble() * 100) / totalTokens).roundToInt() |
| 144 | + fun getInstance(language: CodewhispererLanguage): CodeWhispererCodeCoverageTracker = when (val instance = instances[language]) { |
| 145 | + null -> { |
| 146 | + val newTracker = DefaultCodeWhispererCodeCoverageTracker(language) |
| 147 | + instances[language] = newTracker |
| 148 | + newTracker |
| 149 | + } |
| 150 | + else -> instance |
| 151 | + } |
| 152 | + |
| 153 | + @TestOnly |
| 154 | + fun getInstancesMap(): MutableMap<CodewhispererLanguage, CodeWhispererCodeCoverageTracker> { |
| 155 | + assert(ApplicationManager.getApplication().isUnitTestMode) |
| 156 | + return instances |
| 157 | + } |
| 158 | + } |
| 159 | +} |
| 160 | + |
| 161 | +class DefaultCodeWhispererCodeCoverageTracker(language: CodewhispererLanguage) : CodeWhispererCodeCoverageTracker( |
| 162 | + 5 * TOTAL_SECONDS_IN_MINUTE, |
| 163 | + language, |
| 164 | + acceptedTokens = AtomicInteger(0), |
| 165 | + totalTokens = AtomicInteger(0), |
| 166 | + mutableListOf() |
| 167 | +) |
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