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debug.go
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/
debug.go
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// Copyright 2020 H2O.ai, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package wave
import (
"net/http"
"text/template"
)
const siteTemplate = `
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Site Profile</title>
</head>
<body style="font-family:monospace">
<div><strong>Apps</strong><div>
{{range .Apps}}<div><a href="{{ . }}">{{ . }}</a></div>{{else}}<div>No apps.</div>{{end}}
<div><strong>Pages</strong><div>
{{range .Pages}}<div><a href="{{ . }}">{{ . }}</a></div>{{else}}<div>No pages.</div>{{end}}
</body>
</html>`
// DebugHandler is a HTTP handler for site profiling.
type DebugHandler struct {
broker *Broker
siteTemplate *template.Template
}
func newDebugHandler(broker *Broker) *DebugHandler {
return &DebugHandler{
broker,
template.Must(template.New("site").Parse(siteTemplate)),
}
}
func (h *DebugHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
data := struct {
Apps []string
Pages []string
}{
Apps: h.broker.routes(),
Pages: h.broker.site.urls(),
}
h.siteTemplate.Execute(w, data)
}