optimize link address setting for direct connect to remote plow (#8)

change description message in page

optimize log

delete link address flag

charts.go

@@ -4,16 +4,17 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
+	"net"
+	"strings"
+	"text/template"
+	"time"
+
 	cors "github.com/AdhityaRamadhanus/fasthttpcors"
 	"github.com/go-echarts/go-echarts/v2/charts"
 	"github.com/go-echarts/go-echarts/v2/components"
 	"github.com/go-echarts/go-echarts/v2/opts"
 	"github.com/go-echarts/go-echarts/v2/templates"
 	"github.com/valyala/fasthttp"
-	"net"
-	"strings"
-	"text/template"
-	"time"
 )
 
 var (
@@ -31,7 +32,7 @@ $(function () { setInterval({{ .ViewID }}_sync, {{ .Interval }}); });
 function {{ .ViewID }}_sync() {
     $.ajax({
         type: "GET",
-        url: "http://{{ .Addr }}{{ .APIPath }}/{{ .Route }}",
+        url: "{{ .APIPath }}/{{ .Route }}",
         dataType: "json",
         success: function (result) {
             let opt = goecharts_{{ .ViewID }}.getOption();
@@ -70,13 +71,11 @@ func (c *Charts) genViewTemplate(vid, route string) string {
 
 	var d = struct {
 		Interval int
-		Addr     string
 		APIPath  string
 		Route    string
 		ViewID   string
 	}{
 		Interval: int(refreshInterval.Milliseconds()),
-		Addr:     c.linkAddr,
 		APIPath:  apiPath,
 		Route:    route,
 		ViewID:   vid,
@@ -139,23 +138,23 @@ type Metrics struct {
 
 type Charts struct {
 	listenAddr string
-	linkAddr   string
 	page       *components.Page
 	ln         net.Listener
 	dataFunc   func() *ChartsReport
 }
 
-func NewCharts(listenAddr string, linkAddr string, dataFunc func() *ChartsReport, desc string) (*Charts, error) {
+func NewCharts(listenAddr string, dataFunc func() *ChartsReport, desc string) (*Charts, error) {
 	templates.PageTpl = fmt.Sprintf(PageTpl, desc)
 	ln, err := net.Listen("tcp4", listenAddr)
 	if err != nil {
 		return nil, err
 	}
-	c := &Charts{listenAddr: listenAddr, linkAddr: linkAddr, ln: ln, dataFunc: dataFunc}
+
+	c := &Charts{listenAddr: listenAddr, ln: ln, dataFunc: dataFunc}
 
 	c.page = components.NewPage()
 	c.page.PageTitle = "plow"
-	c.page.AssetsHost = fmt.Sprintf("http://%s%s", linkAddr, assertsPath)
+	c.page.AssetsHost = assertsPath
 	c.page.Assets.JSAssets.Add("jquery.min.js")
 	c.page.AddCharts(c.newLatencyView(), c.newRPSView())
 

main.go

@@ -24,7 +24,6 @@ var (
 	contentType = kingpin.Flag("content", "Content-Type header").Short('T').String()
 
 	chartsListenAddr = kingpin.Flag("listen", "Listen addr to serve Web UI").Default(":18888").String()
-	chartsLinkAddr   = kingpin.Flag("link", "Link addr used for show Web html and request backend server").Default("127.0.0.1:18888").String()
 	timeout          = kingpin.Flag("timeout", "Timeout for each http request").PlaceHolder("DURATION").Duration()
 	dialTimeout      = kingpin.Flag("dial-timeout", "Timeout for dial addr").PlaceHolder("DURATION").Duration()
 	reqWriteTimeout  = kingpin.Flag("req-timeout", "Timeout for full request writing").PlaceHolder("DURATION").Duration()
@@ -101,12 +100,7 @@ Example:
 		desc += fmt.Sprintf(" for %s", duration.String())
 	}
 	desc += fmt.Sprintf(" using %d connection(s).", *concurrency)
-
 	fmt.Println(desc)
-	if *chartsListenAddr != "" {
-		fmt.Printf("@ Real-time charts is listening on http://%s/\n", *chartsLinkAddr)
-	}
-	fmt.Printf("\n")
 
 	requester, err := NewRequester(*concurrency, *requests, *duration, &clientOpt)
 	if err != nil {
@@ -119,7 +113,7 @@ Example:
 	go report.Collect(requester.RecordChan())
 
 	if *chartsListenAddr != "" {
-		charts, err := NewCharts(*chartsListenAddr, *chartsLinkAddr, report.Charts, desc)
+		charts, err := NewCharts(*chartsListenAddr, report.Charts, desc)
 		if err != nil {
 			errAndExit(err.Error())
 			return