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New Initial State Event Streamer: removed buffering and scheduled tasks for flushing buffer

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This commit is contained in:
David Sulpy
2016-01-22 19:23:37 -06:00
parent 65c9da32e7
commit 12f6039de5
1 changed files with 70 additions and 92 deletions
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162
smartapps/initialstate-events/initial-state-event-streamer.src/initial-state-event-streamer.groovy
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@@ -1,7 +1,7 @@
/**
* Initial State Event Streamer
*
* Copyright 2015 David Sulpy
* Copyright 2016 David Sulpy
*
* 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:
@@ -77,6 +77,62 @@ mappings {
}
}
def getAccessKey() {
log.trace "get access key"
if (atomicState.accessKey == null) {
httpError(404, "Access Key Not Found")
} else {
[
accessKey: atomicState.accessKey
]
}
}
def getBucketKey() {
log.trace "get bucket key"
if (atomicState.bucketKey == null) {
httpError(404, "Bucket key Not Found")
} else {
[
bucketKey: atomicState.bucketKey,
bucketName: atomicState.bucketName
]
}
}
def setBucketKey() {
log.trace "set bucket key"
def newBucketKey = request.JSON?.bucketKey
def newBucketName = request.JSON?.bucketName
log.debug "bucket name: $newBucketName"
log.debug "bucket key: $newBucketKey"
if (newBucketKey && (newBucketKey != atomicState.bucketKey || newBucketName != atomicState.bucketName)) {
atomicState.bucketKey = "$newBucketKey"
atomicState.bucketName = "$newBucketName"
atomicState.isBucketCreated = false
}
tryCreateBucket()
}
def setAccessKey() {
log.trace "set access key"
def newAccessKey = request.JSON?.accessKey
def newGrokerSubdomain = request.JSON?.grokerSubdomain
if (newGrokerSubdomain && newGrokerSubdomain != "" && newGrokerSubdomain != atomicState.grokerSubdomain) {
atomicState.grokerSubdomain = "$newGrokerSubdomain"
atomicState.isBucketCreated = false
}
if (newAccessKey && newAccessKey != atomicState.accessKey) {
atomicState.accessKey = "$newAccessKey"
atomicState.isBucketCreated = false
}
}
def subscribeToEvents() {
if (accelerometers != null) {
subscribe(accelerometers, "acceleration", genericHandler)
@@ -169,85 +225,27 @@ def subscribeToEvents() {
}
}
def getAccessKey() {
log.trace "get access key"
if (atomicState.accessKey == null) {
httpError(404, "Access Key Not Found")
} else {
[
accessKey: atomicState.accessKey
]
}
}
def getBucketKey() {
log.trace "get bucket key"
if (atomicState.bucketKey == null) {
httpError(404, "Bucket key Not Found")
} else {
[
bucketKey: atomicState.bucketKey,
bucketName: atomicState.bucketName
]
}
}
def setBucketKey() {
log.trace "set bucket key"
def newBucketKey = request.JSON?.bucketKey
def newBucketName = request.JSON?.bucketName
log.debug "bucket name: $newBucketName"
log.debug "bucket key: $newBucketKey"
if (newBucketKey && (newBucketKey != atomicState.bucketKey || newBucketName != atomicState.bucketName)) {
atomicState.bucketKey = "$newBucketKey"
atomicState.bucketName = "$newBucketName"
atomicState.isBucketCreated = false
}
tryCreateBucket()
}
def setAccessKey() {
log.trace "set access key"
def newAccessKey = request.JSON?.accessKey
def newGrokerSubdomain = request.JSON?.grokerSubdomain
if (newGrokerSubdomain && newGrokerSubdomain != "" && newGrokerSubdomain != atomicState.grokerSubdomain) {
atomicState.grokerSubdomain = "$newGrokerSubdomain"
atomicState.isBucketCreated = false
}
if (newAccessKey && newAccessKey != atomicState.accessKey) {
atomicState.accessKey = "$newAccessKey"
atomicState.isBucketCreated = false
}
}
def installed() {
atomicState.version = "1.0.18"
atomicState.version = "1.1.0"
atomicState.isBucketCreated = false
atomicState.grokerSubdomain = "groker"
subscribeToEvents()
atomicState.isBucketCreated = false
atomicState.grokerSubdomain = "groker"
atomicState.eventBuffer = []
runEvery15Minutes(flushBuffer)
log.debug "installed (version $atomicState.version)"
}
def updated() {
atomicState.version = "1.0.18"
atomicState.version = "1.1.0"
unsubscribe()
if (atomicState.bucketKey != null && atomicState.accessKey != null) {
atomicState.isBucketCreated = false
}
if (atomicState.eventBuffer == null) {
atomicState.eventBuffer = []
}
if (atomicState.grokerSubdomain == null || atomicState.grokerSubdomain == "") {
atomicState.grokerSubdomain = "groker"
}
@@ -327,37 +325,17 @@ def genericHandler(evt) {
eventHandler(key, value)
}
// This is a handler function for flushing the event buffer
// after a specified amount of time to reduce the load on ST servers
def flushBuffer() {
def eventBuffer = atomicState.eventBuffer
log.trace "About to flush the buffer on schedule"
if (eventBuffer != null && eventBuffer.size() > 0) {
atomicState.eventBuffer = []
tryShipEvents(eventBuffer)
}
}
def eventHandler(name, value) {
def epoch = now() / 1000
def eventBuffer = atomicState.eventBuffer ?: []
eventBuffer << [key: "$name", value: "$value", epoch: "$epoch"]
if (eventBuffer.size() >= 10) {
// Clear eventBuffer right away since we've already pulled it off of atomicState to reduce the risk of missing
// events. This assumes the grokerSubdomain, accessKey, and bucketKey are set correctly to avoid the eventBuffer
// from growing unbounded.
atomicState.eventBuffer = []
tryShipEvents(eventBuffer)
} else {
// Make sure we persist the updated eventBuffer with the new event added back to atomicState
atomicState.eventBuffer = eventBuffer
}
log.debug "Event added to buffer: " + eventBuffer
def event = new JsonSlurper().parseText("{\"key\": \"$name\", \"value\": \"$value\", \"epoch\": \"$epoch\"}")
tryShipEvents(event)
log.debug "Shipped Event: " + event
}
// a helper function for shipping the atomicState.eventBuffer to Initial State
def tryShipEvents(eventBuffer) {
def tryShipEvents(event) {
def grokerSubdomain = atomicState.grokerSubdomain
// can't ship events if there is no grokerSubdomain
@@ -380,7 +358,7 @@ def tryShipEvents(eventBuffer) {
"X-IS-AccessKey": "${accessKey}",
"Accept-Version": "0.0.2"
],
body: eventBuffer
body: event
]
try {