From 73df946d56c74384511a194dd01dbe099584fd1a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:14:23 +0200 Subject: Adding upstream version 1.16.10. Signed-off-by: Daniel Baumann --- src/net/rpc/debug.go | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 src/net/rpc/debug.go (limited to 'src/net/rpc/debug.go') diff --git a/src/net/rpc/debug.go b/src/net/rpc/debug.go new file mode 100644 index 0000000..a1d799f --- /dev/null +++ b/src/net/rpc/debug.go @@ -0,0 +1,90 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package rpc + +/* + Some HTML presented at http://machine:port/debug/rpc + Lists services, their methods, and some statistics, still rudimentary. +*/ + +import ( + "fmt" + "html/template" + "net/http" + "sort" +) + +const debugText = ` + + Services + {{range .}} +
+ Service {{.Name}} +
+ + + {{range .Method}} + + + + + {{end}} +
MethodCalls
{{.Name}}({{.Type.ArgType}}, {{.Type.ReplyType}}) error{{.Type.NumCalls}}
+ {{end}} + + ` + +var debug = template.Must(template.New("RPC debug").Parse(debugText)) + +// If set, print log statements for internal and I/O errors. +var debugLog = false + +type debugMethod struct { + Type *methodType + Name string +} + +type methodArray []debugMethod + +type debugService struct { + Service *service + Name string + Method methodArray +} + +type serviceArray []debugService + +func (s serviceArray) Len() int { return len(s) } +func (s serviceArray) Less(i, j int) bool { return s[i].Name < s[j].Name } +func (s serviceArray) Swap(i, j int) { s[i], s[j] = s[j], s[i] } + +func (m methodArray) Len() int { return len(m) } +func (m methodArray) Less(i, j int) bool { return m[i].Name < m[j].Name } +func (m methodArray) Swap(i, j int) { m[i], m[j] = m[j], m[i] } + +type debugHTTP struct { + *Server +} + +// Runs at /debug/rpc +func (server debugHTTP) ServeHTTP(w http.ResponseWriter, req *http.Request) { + // Build a sorted version of the data. + var services serviceArray + server.serviceMap.Range(func(snamei, svci interface{}) bool { + svc := svci.(*service) + ds := debugService{svc, snamei.(string), make(methodArray, 0, len(svc.method))} + for mname, method := range svc.method { + ds.Method = append(ds.Method, debugMethod{method, mname}) + } + sort.Sort(ds.Method) + services = append(services, ds) + return true + }) + sort.Sort(services) + err := debug.Execute(w, services) + if err != nil { + fmt.Fprintln(w, "rpc: error executing template:", err.Error()) + } +} -- cgit v1.2.3