+++ /dev/null
-<html>\r
-<head>\r
- <title>The source code</title>\r
- <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
- <script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
-</head>\r
-<body onload="prettyPrint();">\r
- <pre class="prettyprint lang-js">/*\r
- Speed Plug-in\r
- \r
- Features:\r
- *Adds several properties to the 'file' object indicated upload speed, time left, upload time, etc.\r
- - currentSpeed -- String indicating the upload speed, bytes per second\r
- - averageSpeed -- Overall average upload speed, bytes per second\r
- - movingAverageSpeed -- Speed over averaged over the last several measurements, bytes per second\r
- - timeRemaining -- Estimated remaining upload time in seconds\r
- - timeElapsed -- Number of seconds passed for this upload\r
- - percentUploaded -- Percentage of the file uploaded (0 to 100)\r
- - sizeUploaded -- Formatted size uploaded so far, bytes\r
- \r
- *Adds setting 'moving_average_history_size' for defining the window size used to calculate the moving average speed.\r
- \r
- *Adds several Formatting functions for formatting that values provided on the file object.\r
- - SWFUpload.speed.formatBPS(bps) -- outputs string formatted in the best units (Gbps, Mbps, Kbps, bps)\r
- - SWFUpload.speed.formatTime(seconds) -- outputs string formatted in the best units (x Hr y M z S)\r
- - SWFUpload.speed.formatSize(bytes) -- outputs string formatted in the best units (w GB x MB y KB z B )\r
- - SWFUpload.speed.formatPercent(percent) -- outputs string formatted with a percent sign (x.xx %)\r
- - SWFUpload.speed.formatUnits(baseNumber, divisionArray, unitLabelArray, fractionalBoolean)\r
- - Formats a number using the division array to determine how to apply the labels in the Label Array\r
- - factionalBoolean indicates whether the number should be returned as a single fractional number with a unit (speed)\r
- or as several numbers labeled with units (time)\r
- */\r
-\r
-var SWFUpload;\r
-if (typeof(SWFUpload) === "function") {\r
- SWFUpload.speed = {};\r
- \r
- SWFUpload.prototype.initSettings = (function (oldInitSettings) {\r
- return function () {\r
- if (typeof(oldInitSettings) === "function") {\r
- oldInitSettings.call(this);\r
- }\r
- \r
- this.ensureDefault = function (settingName, defaultValue) {\r
- this.settings[settingName] = (this.settings[settingName] == undefined) ? defaultValue : this.settings[settingName];\r
- };\r
-\r
- // List used to keep the speed stats for the files we are tracking\r
- this.fileSpeedStats = {};\r
- this.speedSettings = {};\r
-\r
- this.ensureDefault("moving_average_history_size", "10");\r
- \r
- this.speedSettings.user_file_queued_handler = this.settings.file_queued_handler;\r
- this.speedSettings.user_file_queue_error_handler = this.settings.file_queue_error_handler;\r
- this.speedSettings.user_upload_start_handler = this.settings.upload_start_handler;\r
- this.speedSettings.user_upload_error_handler = this.settings.upload_error_handler;\r
- this.speedSettings.user_upload_progress_handler = this.settings.upload_progress_handler;\r
- this.speedSettings.user_upload_success_handler = this.settings.upload_success_handler;\r
- this.speedSettings.user_upload_complete_handler = this.settings.upload_complete_handler;\r
- \r
- this.settings.file_queued_handler = SWFUpload.speed.fileQueuedHandler;\r
- this.settings.file_queue_error_handler = SWFUpload.speed.fileQueueErrorHandler;\r
- this.settings.upload_start_handler = SWFUpload.speed.uploadStartHandler;\r
- this.settings.upload_error_handler = SWFUpload.speed.uploadErrorHandler;\r
- this.settings.upload_progress_handler = SWFUpload.speed.uploadProgressHandler;\r
- this.settings.upload_success_handler = SWFUpload.speed.uploadSuccessHandler;\r
- this.settings.upload_complete_handler = SWFUpload.speed.uploadCompleteHandler;\r
- \r
- delete this.ensureDefault;\r
- };\r
- })(SWFUpload.prototype.initSettings);\r
-\r
- \r
- SWFUpload.speed.fileQueuedHandler = function (file) {\r
- if (typeof this.speedSettings.user_file_queued_handler === "function") {\r
- file = SWFUpload.speed.extendFile(file);\r
- \r
- return this.speedSettings.user_file_queued_handler.call(this, file);\r
- }\r
- };\r
- \r
- SWFUpload.speed.fileQueueErrorHandler = function (file, errorCode, message) {\r
- if (typeof this.speedSettings.user_file_queue_error_handler === "function") {\r
- file = SWFUpload.speed.extendFile(file);\r
- \r
- return this.speedSettings.user_file_queue_error_handler.call(this, file, errorCode, message);\r
- }\r
- };\r
-\r
- SWFUpload.speed.uploadStartHandler = function (file) {\r
- if (typeof this.speedSettings.user_upload_start_handler === "function") {\r
- file = SWFUpload.speed.extendFile(file, this.fileSpeedStats);\r
- return this.speedSettings.user_upload_start_handler.call(this, file);\r
- }\r
- };\r
- \r
- SWFUpload.speed.uploadErrorHandler = function (file, errorCode, message) {\r
- file = SWFUpload.speed.extendFile(file, this.fileSpeedStats);\r
- SWFUpload.speed.removeTracking(file, this.fileSpeedStats);\r
-\r
- if (typeof this.speedSettings.user_upload_error_handler === "function") {\r
- return this.speedSettings.user_upload_error_handler.call(this, file, errorCode, message);\r
- }\r
- };\r
- SWFUpload.speed.uploadProgressHandler = function (file, bytesComplete, bytesTotal) {\r
- this.updateTracking(file, bytesComplete);\r
- file = SWFUpload.speed.extendFile(file, this.fileSpeedStats);\r
-\r
- if (typeof this.speedSettings.user_upload_progress_handler === "function") {\r
- return this.speedSettings.user_upload_progress_handler.call(this, file, bytesComplete, bytesTotal);\r
- }\r
- };\r
- \r
- SWFUpload.speed.uploadSuccessHandler = function (file, serverData) {\r
- if (typeof this.speedSettings.user_upload_success_handler === "function") {\r
- file = SWFUpload.speed.extendFile(file, this.fileSpeedStats);\r
- return this.speedSettings.user_upload_success_handler.call(this, file, serverData);\r
- }\r
- };\r
- SWFUpload.speed.uploadCompleteHandler = function (file) {\r
- file = SWFUpload.speed.extendFile(file, this.fileSpeedStats);\r
- SWFUpload.speed.removeTracking(file, this.fileSpeedStats);\r
-\r
- if (typeof this.speedSettings.user_upload_complete_handler === "function") {\r
- return this.speedSettings.user_upload_complete_handler.call(this, file);\r
- }\r
- };\r
- \r
- // Private: extends the file object with the speed plugin values\r
- SWFUpload.speed.extendFile = function (file, trackingList) {\r
- var tracking;\r
- \r
- if (trackingList) {\r
- tracking = trackingList[file.id];\r
- }\r
- \r
- if (tracking) {\r
- file.currentSpeed = tracking.currentSpeed;\r
- file.averageSpeed = tracking.averageSpeed;\r
- file.movingAverageSpeed = tracking.movingAverageSpeed;\r
- file.timeRemaining = tracking.timeRemaining;\r
- file.timeElapsed = tracking.timeElapsed;\r
- file.percentUploaded = tracking.percentUploaded;\r
- file.sizeUploaded = tracking.bytesUploaded;\r
-\r
- } else {\r
- file.currentSpeed = 0;\r
- file.averageSpeed = 0;\r
- file.movingAverageSpeed = 0;\r
- file.timeRemaining = 0;\r
- file.timeElapsed = 0;\r
- file.percentUploaded = 0;\r
- file.sizeUploaded = 0;\r
- }\r
- \r
- return file;\r
- };\r
- \r
- // Private: Updates the speed tracking object, or creates it if necessary\r
- SWFUpload.prototype.updateTracking = function (file, bytesUploaded) {\r
- var tracking = this.fileSpeedStats[file.id];\r
- if (!tracking) {\r
- this.fileSpeedStats[file.id] = tracking = {};\r
- }\r
- \r
- // Sanity check inputs\r
- bytesUploaded = bytesUploaded || tracking.bytesUploaded || 0;\r
- if (bytesUploaded < 0) {\r
- bytesUploaded = 0;\r
- }\r
- if (bytesUploaded > file.size) {\r
- bytesUploaded = file.size;\r
- }\r
- \r
- var tickTime = (new Date()).getTime();\r
- if (!tracking.startTime) {\r
- tracking.startTime = (new Date()).getTime();\r
- tracking.lastTime = tracking.startTime;\r
- tracking.currentSpeed = 0;\r
- tracking.averageSpeed = 0;\r
- tracking.movingAverageSpeed = 0;\r
- tracking.movingAverageHistory = [];\r
- tracking.timeRemaining = 0;\r
- tracking.timeElapsed = 0;\r
- tracking.percentUploaded = bytesUploaded / file.size;\r
- tracking.bytesUploaded = bytesUploaded;\r
- } else if (tracking.startTime > tickTime) {\r
- this.debug("When backwards in time");\r
- } else {\r
- // Get time and deltas\r
- var now = (new Date()).getTime();\r
- var lastTime = tracking.lastTime;\r
- var deltaTime = now - lastTime;\r
- var deltaBytes = bytesUploaded - tracking.bytesUploaded;\r
- \r
- if (deltaBytes === 0 || deltaTime === 0) {\r
- return tracking;\r
- }\r
- \r
- // Update tracking object\r
- tracking.lastTime = now;\r
- tracking.bytesUploaded = bytesUploaded;\r
- \r
- // Calculate speeds\r
- tracking.currentSpeed = (deltaBytes * 8 ) / (deltaTime / 1000);\r
- tracking.averageSpeed = (tracking.bytesUploaded * 8) / ((now - tracking.startTime) / 1000);\r
-\r
- // Calculate moving average\r
- tracking.movingAverageHistory.push(tracking.currentSpeed);\r
- if (tracking.movingAverageHistory.length > this.settings.moving_average_history_size) {\r
- tracking.movingAverageHistory.shift();\r
- }\r
- \r
- tracking.movingAverageSpeed = SWFUpload.speed.calculateMovingAverage(tracking.movingAverageHistory);\r
- \r
- // Update times\r
- tracking.timeRemaining = (file.size - tracking.bytesUploaded) * 8 / tracking.movingAverageSpeed;\r
- tracking.timeElapsed = (now - tracking.startTime) / 1000;\r
- \r
- // Update percent\r
- tracking.percentUploaded = (tracking.bytesUploaded / file.size * 100);\r
- }\r
- \r
- return tracking;\r
- };\r
- SWFUpload.speed.removeTracking = function (file, trackingList) {\r
- try {\r
- trackingList[file.id] = null;\r
- delete trackingList[file.id];\r
- } catch (ex) {\r
- }\r
- };\r
- \r
- SWFUpload.speed.formatUnits = function (baseNumber, unitDivisors, unitLabels, singleFractional) {\r
- var i, unit, unitDivisor, unitLabel;\r
-\r
- if (baseNumber === 0) {\r
- return "0 " + unitLabels[unitLabels.length - 1];\r
- }\r
- \r
- if (singleFractional) {\r
- unit = baseNumber;\r
- unitLabel = unitLabels.length >= unitDivisors.length ? unitLabels[unitDivisors.length - 1] : "";\r
- for (i = 0; i < unitDivisors.length; i++) {\r
- if (baseNumber >= unitDivisors[i]) {\r
- unit = (baseNumber / unitDivisors[i]).toFixed(2);\r
- unitLabel = unitLabels.length >= i ? " " + unitLabels[i] : "";\r
- break;\r
- }\r
- }\r
- \r
- return unit + unitLabel;\r
- } else {\r
- var formattedStrings = [];\r
- var remainder = baseNumber;\r
- \r
- for (i = 0; i < unitDivisors.length; i++) {\r
- unitDivisor = unitDivisors[i];\r
- unitLabel = unitLabels.length > i ? " " + unitLabels[i] : "";\r
- \r
- unit = remainder / unitDivisor;\r
- if (i < unitDivisors.length -1) {\r
- unit = Math.floor(unit);\r
- } else {\r
- unit = unit.toFixed(2);\r
- }\r
- if (unit > 0) {\r
- remainder = remainder % unitDivisor;\r
- \r
- formattedStrings.push(unit + unitLabel);\r
- }\r
- }\r
- \r
- return formattedStrings.join(" ");\r
- }\r
- };\r
- \r
- SWFUpload.speed.formatBPS = function (baseNumber) {\r
- var bpsUnits = [1073741824, 1048576, 1024, 1], bpsUnitLabels = ["Gbps", "Mbps", "Kbps", "bps"];\r
- return SWFUpload.speed.formatUnits(baseNumber, bpsUnits, bpsUnitLabels, true);\r
- \r
- };\r
- SWFUpload.speed.formatTime = function (baseNumber) {\r
- var timeUnits = [86400, 3600, 60, 1], timeUnitLabels = ["d", "h", "m", "s"];\r
- return SWFUpload.speed.formatUnits(baseNumber, timeUnits, timeUnitLabels, false);\r
- \r
- };\r
- SWFUpload.speed.formatBytes = function (baseNumber) {\r
- var sizeUnits = [1073741824, 1048576, 1024, 1], sizeUnitLabels = ["GB", "MB", "KB", "bytes"];\r
- return SWFUpload.speed.formatUnits(baseNumber, sizeUnits, sizeUnitLabels, true);\r
- \r
- };\r
- SWFUpload.speed.formatPercent = function (baseNumber) {\r
- return baseNumber.toFixed(2) + " %";\r
- };\r
- \r
- SWFUpload.speed.calculateMovingAverage = function (history) {\r
- var vals = [], size, sum = 0.0, mean = 0.0, varianceTemp = 0.0, variance = 0.0, standardDev = 0.0;\r
- var i;\r
- var mSum = 0, mCount = 0;\r
- \r
- size = history.length;\r
- \r
- // Check for sufficient data\r
- if (size >= 8) {\r
- // Clone the array and Calculate sum of the values \r
- for (i = 0; i < size; i++) {\r
- vals[i] = history[i];\r
- sum += vals[i];\r
- }\r
-\r
- mean = sum / size;\r
-\r
- // Calculate variance for the set\r
- for (i = 0; i < size; i++) {\r
- varianceTemp += Math.pow((vals[i] - mean), 2);\r
- }\r
-\r
- variance = varianceTemp / size;\r
- standardDev = Math.sqrt(variance);\r
- \r
- //Standardize the Data\r
- for (i = 0; i < size; i++) {\r
- vals[i] = (vals[i] - mean) / standardDev;\r
- }\r
-\r
- // Calculate the average excluding outliers\r
- var deviationRange = 2.0;\r
- for (i = 0; i < size; i++) {\r
- \r
- if (vals[i] <= deviationRange && vals[i] >= -deviationRange) {\r
- mCount++;\r
- mSum += history[i];\r
- }\r
- }\r
- \r
- } else {\r
- // Calculate the average (not enough data points to remove outliers)\r
- mCount = size;\r
- for (i = 0; i < size; i++) {\r
- mSum += history[i];\r
- }\r
- }\r
-\r
- return mSum / mCount;\r
- };\r
- \r
-}</pre> \r
-</body>\r
-</html>
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git.ithinksw.org / extjs.git / blobdiff