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debug.go
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debug.go
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// +build !go1.7
package jsonrpc
import (
"encoding/json"
"net/http"
"reflect"
"golang.org/x/net/context"
"github.com/alecthomas/jsonschema"
)
// A MethodReference is a reference of JSON-RPC method.
type MethodReference struct {
Name string `json:"name"`
Handler string `json:"handler"`
Params *jsonschema.Schema `json:"params,omitempty"`
Result *jsonschema.Schema `json:"result,omitempty"`
}
// DebugHandlerFunc views registered method list.
func DebugHandlerFunc(c context.Context, w http.ResponseWriter, r *http.Request) {
ms := Methods()
if len(ms) == 0 {
w.WriteHeader(http.StatusNotFound)
return
}
l := make([]*MethodReference, 0, len(ms))
for k, md := range ms {
mr := &MethodReference{
Name: k,
}
tv := reflect.TypeOf(md.Handler)
if tv.Kind() == reflect.Ptr {
tv = tv.Elem()
}
mr.Handler = tv.Name()
if md.Params != nil {
mr.Params = jsonschema.Reflect(md.Params)
}
if md.Result != nil {
mr.Result = jsonschema.Reflect(md.Result)
}
l = append(l, mr)
}
w.Header().Set(contentTypeKey, contentTypeValue)
if err := json.NewEncoder(w).Encode(l); err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
}