[open-ils-commits] [GIT] Evergreen ILS branch master updated. 2b3c5f1e9c0801e896ea0f2b2bda6373598b2a18

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- Log -----------------------------------------------------------------
commit 2b3c5f1e9c0801e896ea0f2b2bda6373598b2a18
Author: Cesar Velez <cesar.velez at equinoxinitiative.org>
Date:   Wed Feb 28 14:34:10 2018 -0500

    LP#1739504 - add release notes for Latency Tester
    
    A word about the Latency Tester.
    
    Signed-off by: Cesar Velez <cesar.velez at equinoxinitiative.org>
    Signed-off-by: Dan Wells <dbw2 at calvin.edu>

diff --git a/docs/RELEASE_NOTES_NEXT/Administration/latency_tester_tool.adoc b/docs/RELEASE_NOTES_NEXT/Administration/latency_tester_tool.adoc
new file mode 100644
index 0000000..61e377e
--- /dev/null
+++ b/docs/RELEASE_NOTES_NEXT/Administration/latency_tester_tool.adoc
@@ -0,0 +1,14 @@
+New Latency Tester Tool
+^^^^^^^^^^^^^^^^^^^^^^^
+
+The Evergreen Web Staff Client now includes link to a section under the
+Administration > Workstation called Tests. This page houses a simple tool
+that can be used to test the latency of the websocket connection between the 
+client and the server (via the opensrf.echo service).
+
+This page displays which Evergreen host server is being queried. Upon hitting
+the blue "Start Test" button for the first time, it will issue 10 sequentially
+fired requests in order to get a solid initial average. Clicking the button a
+second time will just take one more measurement and recalculate the average
+latency. The results can be copied to clipboard for troubleshooting purposes
+and also cleared from display.

commit b529835718c0572ccd94cb37f2a8b3bd4e7302fe
Author: Cesar Velez <cesar.velez at equinoxinitiative.org>
Date:   Thu Jan 4 12:56:12 2018 -0500

    LP#1739504 - Fire off each ping sequentially
    
    As suggested by berick, tweaking latency tester
    to sequentially fire off pings.
    
    Signed-off by: Cesar Velez <cesar.velez at equinoxinitiative.org>
    
    Conflicts:
    	Open-ILS/web/js/ui/default/staff/admin/workstation/app.js
    
    Signed-off-by: Dan Wells <dbw2 at calvin.edu>

diff --git a/Open-ILS/web/js/ui/default/staff/admin/workstation/app.js b/Open-ILS/web/js/ui/default/staff/admin/workstation/app.js
index 20973ff..4ca997d 100644
--- a/Open-ILS/web/js/ui/default/staff/admin/workstation/app.js
+++ b/Open-ILS/web/js/ui/default/staff/admin/workstation/app.js
@@ -937,4 +937,84 @@ function($scope , egCore , ngToast) {
 
 }])
 
+/*
+ * Home of the Latency tester
+ * */
+.controller('testsCtrl', ['$scope', '$location', 'egCore', function($scope, $location, egCore) {
+    $scope.hostname = $location.host();
+
+    $scope.tests = [];
+    $scope.clearTestData = function(){
+        $scope.tests = [];
+        numPings = 0;
+    }
+
+    $scope.isTesting = false;
+    $scope.avrg = 0; // avrg latency
+    $scope.canCopyCommand = document.queryCommandSupported('copy');
+    var numPings = 0;
+    // initially fetch first 10 (gets a decent average)
+
+    function calcAverage(){
+
+        if ($scope.tests.length == 0) return 0;
+
+        if ($scope.tests.length == 1) return $scope.tests[0].l;
+
+        var sum = 0;
+        angular.forEach($scope.tests, function(t){
+            sum += t.l;
+        });
+
+        return sum / $scope.tests.length;
+    }
+
+    function ping(){
+        $scope.isTesting = true;
+        var t = Date.now();
+        return egCore.net.request(
+            "open-ils.pcrud", "opensrf.system.echo", "ping"
+        ).then(function(resp){
+            var t2 = Date.now();
+            var latency = t2 - t;
+            $scope.tests.push({t: new Date(t), l: latency});
+            console.log("Start: " + t + " and end: " + t2);
+            console.log("Latency: " + latency);
+            console.log(resp);
+        }).then(function(){
+            $scope.avrg = calcAverage();
+            numPings++;
+            $scope.isTesting = false;
+        });
+    }
+
+    $scope.testLatency = function(){
+
+        if (numPings >= 10){
+            ping(); // just ping once after the initial ten
+        } else {
+            ping()
+                .then($scope.testLatency)
+                .then(function(){
+                    if (numPings == 9){
+                        $scope.tests.shift(); // toss first result
+                        $scope.avrg = calcAverage();
+                    }
+                });
+        }
+    }
+
+    $scope.copyTests = function(){
+
+        var lNode = document.querySelector('#pingData');
+        var r = document.createRange();
+        r.selectNode(lNode);
+        var sel = window.getSelection();
+        sel.removeAllRanges();
+        sel.addRange(r);
+        document.execCommand('copy');
+    }
+
+}])
+
 

-----------------------------------------------------------------------

Summary of changes:
 .../js/ui/default/staff/admin/workstation/app.js   |   80 ++++++++++++++++++++
 .../Administration/latency_tester_tool.adoc        |   14 ++++
 2 files changed, 94 insertions(+), 0 deletions(-)
 create mode 100644 docs/RELEASE_NOTES_NEXT/Administration/latency_tester_tool.adoc


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