commit 5e778fff2595ce82e3971a4ecd3eb3d2a068dd16 Author: David Fifield david@bamsoftware.com Date: Sat Dec 6 18:48:45 2014 -0800
Remove the latencytest App Engine app.
It's served its purpose. We have meek-google settled now. Latency will matter less in the future. --- README | 4 -- latencytest/README | 3 - latencytest/app.yaml | 8 --- latencytest/latencytest.go | 157 -------------------------------------------- 4 files changed, 172 deletions(-)
diff --git a/README b/README index 03424c5..5fa96e0 100644 --- a/README +++ b/README @@ -54,10 +54,6 @@ terminateprocess-buffer: An auxiliary program used on Windows to assist with cleanup of subprocesses.
-latencytest: -A test program for App Engine that measures roundtrip times to different -destinations. - nginx: A reflector configuration for Nginx.
diff --git a/latencytest/README b/latencytest/README deleted file mode 100644 index c96e60c..0000000 --- a/latencytest/README +++ /dev/null @@ -1,3 +0,0 @@ -This is an App Engine web app that measures the latency between the App -Engine servers and other endpoints. A copy of this app is running at -http://meek-latency-test.appspot.com/. diff --git a/latencytest/app.yaml b/latencytest/app.yaml deleted file mode 100644 index 428fcd5..0000000 --- a/latencytest/app.yaml +++ /dev/null @@ -1,8 +0,0 @@ -application: meek-latency-test -version: 1 -runtime: go -api_version: go1 - -handlers: -- url: /.* - script: _go_app diff --git a/latencytest/latencytest.go b/latencytest/latencytest.go deleted file mode 100644 index e4ef0bf..0000000 --- a/latencytest/latencytest.go +++ /dev/null @@ -1,157 +0,0 @@ -// This program tests the HTTP round-trip time from App Engine to various -// endpoints. It does several POSTS to each endpoint and then draws a graph -// showing the round-trip time. -package latencytest - -import ( - "encoding/json" - "fmt" - "html" - "net/http" - "time" - - "appengine" - "appengine/urlfetch" -) - -var urls = [...]string{ - "http://meek.bamsoftware.com:7002/", - "https://meek.bamsoftware.com:7443/", - "http://83.212.83.23:7002/", - "http://www.googleusercontent.com/", - "https://www.googleusercontent.com/", -} - -const ( - urlFetchTimeout = 10 * time.Second - numTrials = 5 -) - -var context appengine.Context - -type record struct { - Duration float64 - Status string - Err error -} - -func timeGet(u string) (rec *record) { - rec = new(record) - - transport := urlfetch.Transport{ - Context: context, - Deadline: urlFetchTimeout, - } - req, err := http.NewRequest("POST", u, nil) - if err != nil { - rec.Err = err - return rec - } - start := time.Now() - resp, err := transport.RoundTrip(req) - end := time.Now() - if err != nil { - rec.Err = err - return rec - } - defer resp.Body.Close() - - rec.Duration = end.Sub(start).Seconds() - rec.Status = resp.Status - - return rec -} - -func handler(w http.ResponseWriter, r *http.Request) { - context = appengine.NewContext(r) - - records := make(map[string][]*record) - for _, u := range urls { - records[u] = make([]*record, 0, numTrials) - } - for i := 0; i < numTrials; i++ { - for _, u := range urls { - records[u] = append(records[u], timeGet(u)) - } - } - - w.Header().Set("Content-Type", "text/html; charset=utf-8") - w.WriteHeader(http.StatusOK) - - fmt.Fprint(w, `<!DOCTYPE html> -<html> -<head> -<meta charset=utf-8> -<title>Latency test</title> -</head> -<body> -<!-- http://dimplejs.org/examples_viewer.html?id=scatter_vertical_lollipop --> -<div id="chartContainer"> - <script src="http://d3js.org/d3.v3.min.js"></script> - <script src="http://dimplejs.org/dist/dimple.v1.1.5.min.js"></script> - <script type="text/javascript"> - var svg = dimple.newSvg("#chartContainer", 800, 400); - var data = [ -`) - for _, u := range urls { - for _, rec := range records[u] { - if rec.Err != nil { - continue - } - row := struct { - URL string - Latency float64 - }{ - URL: u, - Latency: rec.Duration * 1000, - } - rep, err := json.Marshal(row) - if err != nil { - continue - } - fmt.Fprintf(w, " %s,\n", rep) - } - } - - fmt.Fprint(w, ` ]; - var myChart = new dimple.chart(svg, data); - myChart.setBounds(230, 20, "100%,-250", "100%,-70") - myChart.addMeasureAxis("x", "Latency"); - var y = myChart.addCategoryAxis("y", "URL"); -`) - rep, err := json.Marshal(urls) - if err == nil { - fmt.Fprintf(w, " var urls = %s;\n", rep) - fmt.Fprintf(w, " urls.reverse();\n") - fmt.Fprintf(w, " y.addOrderRule(urls);\n") - } - fmt.Fprint(w, ` myChart.addSeries(["Latency", "URL"], dimple.plot.bubble); - myChart.draw(); - </script> -</div> -`) - fmt.Fprint(w, "<table>\n") - for _, u := range urls { - var sum float64 - fmt.Fprintf(w, "<tr><th colspan=3 align=center bgcolor=lightblue>%s</th></tr>\n", html.EscapeString(u)) - for i, rec := range records[u] { - var status string - if rec.Err != nil { - status = rec.Err.Error() - } else { - status = rec.Status - sum += rec.Duration - } - fmt.Fprintf(w, "<tr><td align=right>%d</td><td align=right>%s</td><td align=right>%.2f ms</td></tr>\n", - i, html.EscapeString(status), rec.Duration*1000) - } - fmt.Fprintf(w, "<tr><td align=right><b>avg</b></td><td></td><td align=right><b>%.2f ms</b></td></tr>\n", - sum/float64(len(records[u]))*1000) - } - fmt.Fprint(w, "</table>\n") - -} - -func init() { - http.HandleFunc("/", handler) -}