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Show host name in error page.

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This commit is contained in:
Chen Yufei
2013-10-31 13:42:35 +08:00
parent 1d46b7274d
commit 5c2035f60d
1 changed files with 19 additions and 13 deletions
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32
error.go
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@@ -3,22 +3,11 @@ package main
import (
"bytes"
"io"
"os"
"text/template"
"time"
)
var errPageRawTmpl = `<!DOCTYPE html>
<html>
<head> <title>COW Proxy</title> </head>
<body>
<h1>{{.H1}}</h1>
{{.Msg}}
<hr />
Generated by <i>COW ` + version + `</i> at {{.T}}
</body>
</html>
`
// Do not end with "\r\n" so we can add more header later
var headRawTmpl = "HTTP/1.1 {{.CodeReason}}\r\n" +
"Connection: keep-alive\r\n" +
@@ -30,7 +19,24 @@ var headRawTmpl = "HTTP/1.1 {{.CodeReason}}\r\n" +
var errPageTmpl, headTmpl *template.Template
func init() {
var err error
hostName, err := os.Hostname()
if err != nil {
hostName = "unknown host"
}
errPageRawTmpl := `<!DOCTYPE html>
<html>
<head> <title>COW Proxy</title> </head>
<body>
<h1>{{.H1}}</h1>
{{.Msg}}
<hr />
Generated by <i>COW ` + version + `</i> <br />
Host <i>` + hostName + `</i> <br />
{{.T}}
</body>
</html>
`
if headTmpl, err = template.New("errorHead").Parse(headRawTmpl); err != nil {
Fatal("Internal error on generating error head template")
}