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• ctrl-scalars.js

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asysmon-res.js.ctrl-scalars.js Maven / Gradle / Ivy

angular.module('ASysMonApp').controller('CtrlScalars', function($scope, $log, Rest, formatNumber, startsWith) {
    var effectiveNumCpus = 1;

    $scope.autoRefresh = false;
    $scope.autoRefreshSeconds = 10;
    var autoRefreshCounter = 0; // to invalidate auto-refresh if there was a manual refresh in between

    function initFromResponse(data) {
        $scope.scalars = data.scalars;
        $scope.miscScalars = [];
        angular.forEach($scope.scalars, function(s, name) {
            s.name = name;

            var factor = 1, suffix='';
            if(startsWith(s.name, 'mem:')) {
                factor = 1024*1024;
                suffix = ' MB';
            }
            s.formattedValue = formatNumber(s.value / factor, s.numFracDigits) + suffix;

            if(isMisc(s)) {
                $scope.miscScalars.push(s)
            }
        });
        effectiveNumCpus = data.scalars['cpu:available'].value / 100;
        $scope.cpuFreq = cpuFreq();
        render();
        triggerAutoRefresh();
    }

    $scope.$watch('autoRefresh', triggerAutoRefresh);
    $scope.$watch('autoRefreshSeconds', triggerAutoRefresh);

    function cpuFreq() {
        var result = [];
        angular.forEach($scope.scalars, function(s) {
            if(startsWith(s.name, 'cpu:freq-mhz:')) {
                var mhz = s.name.substr('cpu:freq-mhz:'.length);
                var idxDot = mhz.indexOf('.');
                if(idxDot > 0) {
                    mhz = mhz.substr(0, idxDot);
                }

                result.push({mhz: mhz, formattedValue: s.formattedValue});
            }
        });
        return result;
    }

    function triggerAutoRefresh() {
        if(! $scope.autoRefresh) {
            return;
        }

        var oldCounter = autoRefreshCounter;
        setTimeout(function() {
            if(autoRefreshCounter !== oldCounter+1) {
                return;
            }
            $scope.refresh();
        }, $scope.autoRefreshSeconds * 1000);
        autoRefreshCounter += 1;
    }

    function isMisc(s) {
        if(startsWith(s.name, 'cpu:')) return false;
        if(startsWith(s.name, 'disk:')) return false;
        if(startsWith(s.name, 'load-')) return false;
        if(startsWith(s.name, 'mem:')) return false;
        if(startsWith(s.name, 'net:')) return false;
        return true;
    }

    function sendCommand(cmd) {
        Rest.call(cmd, initFromResponse);
    }

    $scope.refresh = function() {
        sendCommand('getData');
    };

    $scope.refresh();

    function render() {
        $('#cpu').html(htmlForCpu());
        $('#network').html(htmlForNetwork());
        $('#load1').html(htmlForLoad($scope.scalars['load-1-minute']));
        $('#load5').html(htmlForLoad($scope.scalars['load-5-minutes']));
        $('#load15').html(htmlForLoad($scope.scalars['load-15-minutes']));
        $('#disk').html(htmlForDisk());
        $('#jvm-mem').html(htmlForJvmMemory());
    }

    $scope.otherCpuPercent = function() {
        if(!$scope.scalars) {
            return '';
        }
        var raw = $scope.scalars['cpu:all-used'].value - $scope.scalars['cpu:self-user'].value - $scope.scalars['cpu:self-kernel'].value;
        return formatNumber(raw, 1);
    };

    function htmlForCpu() {
        function segment(color, value) {
            var max = $scope.scalars['cpu:available'].value;
            var width = value * 100 / max;
            return '
';
        }

        return '
' +
            segment('progress-bar-info', $scope.scalars['cpu:self-kernel'].value) +
            segment('progress-bar-success', $scope.scalars['cpu:self-user'].value) +
            segment('progress-bar-warning', $scope.scalars['cpu:all-used'].value - $scope.scalars['cpu:self-user'].value - $scope.scalars['cpu:self-kernel'].value) +
            '
';
    }

    function networkInterfaces() {
        return secondSegments('net:');
    }

    function secondSegments(prefix) {
        var result = [];

        angular.forEach($scope.scalars, function(s) {
            if(!startsWith(s.name, prefix)) {
                return;
            }

            var seg = s.name.substr(prefix.length);
            seg = seg.substr(0, seg.indexOf(':'));

            for(var i=0; iInterfacereceivedsentcollisions/s';

        angular.forEach(networkInterfaces(), function(iface) {
            function effValue(raw) {
                if(raw === 0) return 0;
                if(raw < 400) return .5;
                return Math.log(raw) / Math.LN10 - 2; // raw in kB/s --> 10 Gbit/s returns 7
            }
            function formatted(raw) { // raw is 'bytes per second'
                if(raw < 1000) return raw + ' bytes/s';
                raw /= 1000;
                if(raw < 1000) return formatNumber(raw, 1) + ' KB/s';
                raw /= 1000;
                if(raw < 1000) return formatNumber(raw, 1) + ' MB/s';
                raw /= 1000;
                return formatNumber(raw, 1) + ' GB/s';
            }

            var scalarReceived   = $scope.scalars['net:' + iface + ':received-bytes'];
            var scalarSent       = $scope.scalars['net:' + iface + ':sent-bytes'];
            var scalarCollisions = $scope.scalars['net:' + iface + ':collisions'];

            result += '' + iface +
                '' + htmlForPercentageBar(130, 0, 7, effValue(scalarReceived.value / 1000), 18, 18, 18, formatted(scalarReceived.value)) +
                '' + htmlForPercentageBar(130, 0, 7, effValue(scalarSent.    value / 1000), -1, 18, 18, formatted(scalarSent.    value)) +
                '' + htmlForPercentageBar(100, 0, 3, effValue(scalarCollisions.value), -1, -1, -1, scalarCollisions.formattedValue) +
                '';
        });

        return result + '';
    }

    function htmlForLoad(loadScalar) {
        var numCpus = effectiveNumCpus;
        return htmlForPercentageBar(100, 0, numCpus, loadScalar.value, 1, numCpus/2, numCpus, loadScalar.formattedValue);
    }

    function htmlForPercentageBar(width, min, max, value, thresholdInfo, thresholdWarning, thresholdDanger, formattedValue) {
        var progressColor = '';
        if(value < thresholdInfo) {
            progressColor = 'progress-bar-success';
        }
        else if(value < thresholdWarning) {
            progressColor = 'progress-bar-info';
        }
        else if(value < thresholdDanger) {
            progressColor = 'progress-bar-warning';
        }
        else {
            progressColor = 'progress-bar-danger';
        }

        var percent = (value-min) / (max-min) * 100;
        if(percent > 100) {
            percent = 100;
        }

        var numberInside='', numberOutside='';

        if(percent > 40) {
            numberInside = '' + formattedValue + '';
        }
        else {
            numberOutside = '
' + formattedValue + '
';
        }

        return '
' +
            numberOutside +
            '
' +
            numberInside +
            '
' +
            '
';
    }

    function htmlForDisk() {
        var result = '';
        result += '';

        angular.forEach(diskDevs(), function(dev) {
            function asDisplayedRate(raw) {
                if(raw < .01) {
                    return 0;
                }
                return Math.log(raw) / Math.LN10 + 2;
            }

            var hasSize = $scope.scalars['disk:' + dev + ':sizeGB'];
            var hasTraffic = $scope.scalars['disk:' + dev + ':read-mbytes'];

            result += '';

            var mp = mountPoint(dev);
            if(mp) {
                result += '';
            }
            else {
                result += '';
            }

            if(hasSize) {
                var sizeGB = $scope.scalars['disk:' + dev + ':sizeGB'].value;
                var availableGB = $scope.scalars['disk:' + dev + ':availableGB'].value;

                // while 'usedGB' is available, we calculate 'size-available' because 'used+avaible' can be smaller then 'size'
                result += '';
            }
            else {
                result += '';
            }

            if(hasTraffic) {
                var scalarRead = $scope.scalars['disk:' + dev + ':read-mbytes'];
                var scalarWritten = $scope.scalars['disk:' + dev + ':written-mbytes'];
                var scalarRunning = $scope.scalars['disk:' + dev + ':ios-in-progress'];

                result += '';
                result += '';
                result += ''
            }
            else {
                result += '';
                result += '';
                result += '';
            }

            result += '';
        });

        result += '
Device
Mounted
Available GB
Read MB/s
Write MB/s
Running
' + dev + '
' + mp + '
' + htmlForPercentageBar(100, 0, 100, (sizeGB - availableGB) * 100 / sizeGB, 50, 80, 95, formatNumber(availableGB, 2)) + '
' + htmlForPercentageBar(100, 0, 5, asDisplayedRate(scalarRead.value), 10, 10, 10, scalarRead.formattedValue) + '
' + htmlForPercentageBar(100, 0, 5, asDisplayedRate(scalarWritten.value), -1, 10, 10, scalarWritten.formattedValue) + '
' + scalarRunning.formattedValue + '
';
        return result;
    }

    function mountPoint(dev) {
        var result = undefined;

        angular.forEach($scope.scalars, function(s) {
            if(startsWith(s.name, 'disk:' + dev + ':mountpoint:')) {
                result = s.name;
                result = result.substring(result.indexOf(':') + 1);
                result = result.substring(result.indexOf(':') + 1);
                result = result.substring(result.indexOf(':') + 1);
            }
        });

        return result;
    }

    function diskDevs() {
        return secondSegments('disk:');
    }

    function htmlForJvmMemory() {
        var result = '';
        result += '';

        angular.forEach(memKinds(), function(memKind) {
            var used      = $scope.scalars['mem:' + memKind + ':used'];
            var committed = $scope.scalars['mem:' + memKind + ':committed'];
            var max       = $scope.scalars['mem:' + memKind + ':max'];

            var percent = used.value / max.value * 100;

            result += '' +
                '' +
                '' +
                '' +
                '' +
                '' +
                '';
        });

        result += '
Memory Kind
Used
Comm.
Max
' + memKind + '
' + htmlForPercentageBar(100, 0, 100, percent, 50, 80, 90, formatNumber(percent,1) + '%') + '
' + used.     formattedValue + '
' + committed.formattedValue + '
' + max.      formattedValue + '
';
        return result;
    }

    function memKinds() {
        var map = {};
        angular.forEach($scope.scalars, function(s) {
            if(startsWith(s.name, 'mem:')) {
                var memKind = s.name.substr(4);
                memKind = memKind.substr(0, memKind.indexOf(':'));
                map[memKind] = memKind;
            }
        });

        var result = [];
        angular.forEach(map, function(memKind) {
            result.push(memKind);
        });
        result.sort();
        return result;
    }
});