homebox/backend/pkgs/server/mux.go

104 lines
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package server
import (
"context"
"net/http"
"github.com/google/uuid"
)
type vkey int
const (
// Key is the key for the server in the request context.
key vkey = 1
)
type Values struct {
TraceID string
}
func GetTraceID(ctx context.Context) string {
v, ok := ctx.Value(key).(Values)
if !ok {
return ""
}
return v.TraceID
}
func (s *Server) toHttpHandler(handler Handler, mw ...Middleware) http.HandlerFunc {
handler = wrapMiddleware(mw, handler)
handler = wrapMiddleware(s.mw, handler)
return func(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
// Add the trace ID to the context
ctx = context.WithValue(ctx, key, Values{
TraceID: uuid.NewString(),
})
err := handler.ServeHTTP(w, r.WithContext(ctx))
if err != nil {
if IsShutdownError(err) {
_ = s.Shutdown("SIGTERM")
}
}
}
}
func (s *Server) handle(method, pattern string, handler Handler, mw ...Middleware) {
h := s.toHttpHandler(handler, mw...)
switch method {
case http.MethodGet:
s.mux.Get(pattern, h)
case http.MethodPost:
s.mux.Post(pattern, h)
case http.MethodPut:
s.mux.Put(pattern, h)
case http.MethodDelete:
s.mux.Delete(pattern, h)
case http.MethodPatch:
s.mux.Patch(pattern, h)
case http.MethodHead:
s.mux.Head(pattern, h)
case http.MethodOptions:
s.mux.Options(pattern, h)
}
}
func (s *Server) Get(pattern string, handler Handler, mw ...Middleware) {
s.handle(http.MethodGet, pattern, handler, mw...)
}
func (s *Server) Post(pattern string, handler Handler, mw ...Middleware) {
s.handle(http.MethodPost, pattern, handler, mw...)
}
func (s *Server) Put(pattern string, handler Handler, mw ...Middleware) {
s.handle(http.MethodPut, pattern, handler, mw...)
}
func (s *Server) Delete(pattern string, handler Handler, mw ...Middleware) {
s.handle(http.MethodDelete, pattern, handler, mw...)
}
func (s *Server) Patch(pattern string, handler Handler, mw ...Middleware) {
s.handle(http.MethodPatch, pattern, handler, mw...)
}
func (s *Server) Head(pattern string, handler Handler, mw ...Middleware) {
s.handle(http.MethodHead, pattern, handler, mw...)
}
func (s *Server) Options(pattern string, handler Handler, mw ...Middleware) {
s.handle(http.MethodOptions, pattern, handler, mw...)
}
func (s *Server) NotFound(handler Handler) {
s.mux.NotFound(s.toHttpHandler(handler))
}