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PayloadFactoryImpl.kt
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PayloadFactoryImpl.kt
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package io.embrace.android.embracesdk.session.message
import io.embrace.android.embracesdk.config.ConfigService
import io.embrace.android.embracesdk.payload.Session
import io.embrace.android.embracesdk.payload.Session.LifeEventType
import io.embrace.android.embracesdk.payload.SessionMessage
import io.embrace.android.embracesdk.session.lifecycle.ProcessState
import io.embrace.android.embracesdk.session.orchestrator.SessionSnapshotType
internal class PayloadFactoryImpl(
private val payloadMessageCollator: PayloadMessageCollator,
private val configService: ConfigService
) : PayloadFactory {
override fun startPayloadWithState(state: ProcessState, timestamp: Long, coldStart: Boolean) =
when (state) {
ProcessState.FOREGROUND -> startSessionWithState(timestamp, coldStart)
ProcessState.BACKGROUND -> startBackgroundActivityWithState(timestamp, coldStart)
}
override fun endPayloadWithState(state: ProcessState, timestamp: Long, initial: Session) =
when (state) {
ProcessState.FOREGROUND -> endSessionWithState(initial, timestamp)
ProcessState.BACKGROUND -> endBackgroundActivityWithState(initial, timestamp)
}
override fun endPayloadWithCrash(
state: ProcessState,
timestamp: Long,
initial: Session,
crashId: String
) = when (state) {
ProcessState.FOREGROUND -> endSessionWithCrash(initial, timestamp, crashId)
ProcessState.BACKGROUND -> endBackgroundActivityWithCrash(initial, timestamp, crashId)
}
override fun snapshotPayload(state: ProcessState, timestamp: Long, initial: Session) =
when (state) {
ProcessState.FOREGROUND -> snapshotSession(initial, timestamp)
ProcessState.BACKGROUND -> snapshotBackgroundActivity(initial, timestamp)
}
override fun startSessionWithManual(timestamp: Long): Session {
return payloadMessageCollator.buildInitialSession(
InitialEnvelopeParams.SessionParams(
false,
LifeEventType.MANUAL,
timestamp
)
)
}
override fun endSessionWithManual(timestamp: Long, initial: Session): SessionMessage {
return payloadMessageCollator.buildFinalSessionMessage(
FinalEnvelopeParams.SessionParams(
initial = initial,
endTime = timestamp,
lifeEventType = LifeEventType.MANUAL,
endType = SessionSnapshotType.NORMAL_END
)
)
}
private fun startSessionWithState(timestamp: Long, coldStart: Boolean): Session {
return payloadMessageCollator.buildInitialSession(
InitialEnvelopeParams.SessionParams(
coldStart,
LifeEventType.STATE,
timestamp
)
)
}
private fun startBackgroundActivityWithState(timestamp: Long, coldStart: Boolean): Session? {
if (!configService.isBackgroundActivityCaptureEnabled()) {
return null
}
// kept for backwards compat. the backend expects the start time to be 1 ms greater
// than the adjacent session, and manually adjusts.
val time = when {
coldStart -> timestamp
else -> timestamp + 1
}
return payloadMessageCollator.buildInitialSession(
InitialEnvelopeParams.BackgroundActivityParams(
coldStart = coldStart,
startType = LifeEventType.BKGND_STATE,
startTime = time
)
)
}
private fun endSessionWithState(initial: Session, timestamp: Long): SessionMessage {
return payloadMessageCollator.buildFinalSessionMessage(
FinalEnvelopeParams.SessionParams(
initial = initial,
endTime = timestamp,
lifeEventType = LifeEventType.STATE,
endType = SessionSnapshotType.NORMAL_END
)
)
}
private fun endBackgroundActivityWithState(initial: Session, timestamp: Long): SessionMessage? {
if (!configService.isBackgroundActivityCaptureEnabled()) {
return null
}
// kept for backwards compat. the backend expects the start time to be 1 ms greater
// than the adjacent session, and manually adjusts.
return payloadMessageCollator.buildFinalBackgroundActivityMessage(
FinalEnvelopeParams.BackgroundActivityParams(
initial = initial,
endTime = timestamp - 1,
lifeEventType = LifeEventType.BKGND_STATE
)
)
}
private fun endSessionWithCrash(
initial: Session,
timestamp: Long,
crashId: String
): SessionMessage {
return payloadMessageCollator.buildFinalSessionMessage(
FinalEnvelopeParams.SessionParams(
initial = initial,
endTime = timestamp,
lifeEventType = LifeEventType.STATE,
crashId = crashId,
endType = SessionSnapshotType.JVM_CRASH
)
)
}
private fun endBackgroundActivityWithCrash(
initial: Session,
timestamp: Long,
crashId: String
): SessionMessage? {
if (!configService.isBackgroundActivityCaptureEnabled()) {
return null
}
return payloadMessageCollator.buildFinalBackgroundActivityMessage(
FinalEnvelopeParams.BackgroundActivityParams(
initial = initial,
endTime = timestamp,
lifeEventType = LifeEventType.BKGND_STATE,
crashId = crashId
)
)
}
/**
* Called when the session is persisted every 2s to cache its state.
*/
private fun snapshotSession(initial: Session, timestamp: Long): SessionMessage {
return payloadMessageCollator.buildFinalSessionMessage(
FinalEnvelopeParams.SessionParams(
initial = initial,
endTime = timestamp,
lifeEventType = LifeEventType.STATE,
endType = SessionSnapshotType.PERIODIC_CACHE
)
)
}
private fun snapshotBackgroundActivity(initial: Session, timestamp: Long): SessionMessage? {
if (!configService.isBackgroundActivityCaptureEnabled()) {
return null
}
return payloadMessageCollator.buildFinalBackgroundActivityMessage(
FinalEnvelopeParams.BackgroundActivityParams(
initial = initial,
endTime = timestamp,
lifeEventType = null
)
)
}
}