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/*
* Copyright 2019 Square Inc.
*
* 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.
*/
package com.squareup.tracing
import com.squareup.tracing.ChromeTraceEvent.Companion.INSTANT_SCOPE_GLOBAL
import com.squareup.tracing.ChromeTraceEvent.Companion.INSTANT_SCOPE_PROCESS
import com.squareup.tracing.ChromeTraceEvent.Companion.INSTANT_SCOPE_THREAD
import com.squareup.tracing.ChromeTraceEvent.Phase.ASYNC_BEGIN
import com.squareup.tracing.ChromeTraceEvent.Phase.ASYNC_END
import com.squareup.tracing.ChromeTraceEvent.Phase.COUNTER
import com.squareup.tracing.ChromeTraceEvent.Phase.DURATION_BEGIN
import com.squareup.tracing.ChromeTraceEvent.Phase.DURATION_END
import com.squareup.tracing.ChromeTraceEvent.Phase.INSTANT
import com.squareup.tracing.ChromeTraceEvent.Phase.OBJECT_CREATED
import com.squareup.tracing.ChromeTraceEvent.Phase.OBJECT_DESTROYED
import com.squareup.tracing.ChromeTraceEvent.Phase.OBJECT_SNAPSHOT
import com.squareup.tracing.TraceEvent.AsyncDurationBegin
import com.squareup.tracing.TraceEvent.AsyncDurationEnd
import com.squareup.tracing.TraceEvent.Counter
import com.squareup.tracing.TraceEvent.DurationBegin
import com.squareup.tracing.TraceEvent.DurationEnd
import com.squareup.tracing.TraceEvent.Instant
import com.squareup.tracing.TraceEvent.Instant.InstantScope.GLOBAL
import com.squareup.tracing.TraceEvent.Instant.InstantScope.PROCESS
import com.squareup.tracing.TraceEvent.Instant.InstantScope.THREAD
import com.squareup.tracing.TraceEvent.ObjectCreated
import com.squareup.tracing.TraceEvent.ObjectDestroyed
import com.squareup.tracing.TraceEvent.ObjectSnapshot
/**
* Represents a single event in a trace.
*/
sealed class TraceEvent {
open val category: String? get() = null
data class DurationBegin(
val name: String,
val args: Map = emptyMap(),
override val category: String? = null
) : TraceEvent()
data class DurationEnd(
val name: String,
val args: Map = emptyMap(),
override val category: String? = null
) : TraceEvent()
data class Instant(
val name: String,
val args: Map = emptyMap(),
val scope: InstantScope = THREAD,
override val category: String? = null
) : TraceEvent() {
enum class InstantScope {
THREAD,
PROCESS,
GLOBAL
}
}
data class AsyncDurationBegin(
val id: Any,
val name: String,
val args: Map = emptyMap(),
override val category: String? = null
) : TraceEvent()
data class AsyncDurationEnd(
val id: Any,
val name: String,
val args: Map = emptyMap(),
override val category: String? = null
) : TraceEvent()
data class ObjectCreated(
val id: Long,
val objectType: String
) : TraceEvent()
data class ObjectDestroyed(
val id: Long,
val objectType: String
) : TraceEvent()
data class ObjectSnapshot(
val id: Long,
val objectType: String,
val snapshot: Any
) : TraceEvent()
data class Counter(
val name: String,
val series: Map,
val id: Long? = null
) : TraceEvent()
}
internal fun TraceEvent.toChromeTraceEvent(
threadId: Int,
processId: Int,
nowMicros: Long
): ChromeTraceEvent = when (this) {
is DurationBegin -> ChromeTraceEvent(
phase = DURATION_BEGIN,
name = name,
category = category,
args = args,
threadId = threadId,
processId = processId,
timestampMicros = nowMicros
)
is DurationEnd -> ChromeTraceEvent(
phase = DURATION_END,
name = name,
category = category,
args = args,
threadId = threadId,
processId = processId,
timestampMicros = nowMicros
)
is Instant -> ChromeTraceEvent(
phase = INSTANT,
name = name,
category = category,
scope = when (scope) {
THREAD -> INSTANT_SCOPE_THREAD
PROCESS -> INSTANT_SCOPE_PROCESS
GLOBAL -> INSTANT_SCOPE_GLOBAL
},
args = args,
threadId = threadId,
processId = processId,
timestampMicros = nowMicros
)
is AsyncDurationBegin -> ChromeTraceEvent(
phase = ASYNC_BEGIN,
id = id,
name = name,
category = category,
args = args,
threadId = threadId,
processId = processId,
timestampMicros = nowMicros
)
is AsyncDurationEnd -> ChromeTraceEvent(
phase = ASYNC_END,
id = id,
name = name,
category = category,
threadId = threadId,
processId = processId,
timestampMicros = nowMicros
)
is ObjectCreated -> ChromeTraceEvent(
phase = OBJECT_CREATED,
id = id.toHex(),
name = objectType,
category = category,
threadId = threadId,
processId = processId,
timestampMicros = nowMicros
)
is ObjectDestroyed -> ChromeTraceEvent(
phase = OBJECT_DESTROYED,
id = id.toHex(),
name = objectType,
category = category,
threadId = threadId,
processId = processId,
timestampMicros = nowMicros
)
is ObjectSnapshot -> ChromeTraceEvent(
phase = OBJECT_SNAPSHOT,
id = id.toHex(),
name = objectType,
category = category,
args = mapOf("snapshot" to snapshot),
threadId = threadId,
processId = processId,
timestampMicros = nowMicros
)
is Counter -> ChromeTraceEvent(
phase = COUNTER,
id = id?.toHex(),
name = name,
args = series,
threadId = threadId,
processId = processId,
timestampMicros = nowMicros
)
}
@Suppress("NOTHING_TO_INLINE")
private inline fun Long.toHex() = toString(16)
