-
Notifications
You must be signed in to change notification settings - Fork 13
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
4 changed files
with
175 additions
and
36 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| package mobius | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "github.com/jhalter/mobius/hotline" | ||
| "io" | ||
| "log" | ||
| "log/slog" | ||
| "net/http" | ||
| ) | ||
|
|
||
| type logResponseWriter struct { | ||
| http.ResponseWriter | ||
| statusCode int | ||
| buf bytes.Buffer | ||
| } | ||
|
|
||
| func NewLogResponseWriter(w http.ResponseWriter) *logResponseWriter { | ||
| return &logResponseWriter{w, http.StatusOK, bytes.Buffer{}} | ||
| } | ||
|
|
||
| func (lrw *logResponseWriter) WriteHeader(code int) { | ||
| lrw.statusCode = code | ||
| lrw.ResponseWriter.WriteHeader(code) | ||
| } | ||
|
|
||
| func (lrw *logResponseWriter) Write(b []byte) (int, error) { | ||
| lrw.buf.Write(b) | ||
| return lrw.ResponseWriter.Write(b) | ||
| } | ||
|
|
||
| type APIServer struct { | ||
| hlServer *hotline.Server | ||
| logger *slog.Logger | ||
| mux *http.ServeMux | ||
| } | ||
|
|
||
| func (srv *APIServer) logMiddleware(next http.Handler) http.Handler { | ||
| return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| lrw := NewLogResponseWriter(w) | ||
| next.ServeHTTP(lrw, r) | ||
|
|
||
| srv.logger.Info("req", "method", r.Method, "url", r.URL.Path, "remoteAddr", r.RemoteAddr, "response_code", lrw.statusCode) | ||
| }) | ||
| } | ||
|
|
||
| func NewAPIServer(hlServer *hotline.Server, reloadFunc func(), logger *slog.Logger) *APIServer { | ||
| srv := APIServer{ | ||
| hlServer: hlServer, | ||
| logger: logger, | ||
| mux: http.NewServeMux(), | ||
| } | ||
|
|
||
| srv.mux.Handle("/api/v1/reload", srv.logMiddleware(http.HandlerFunc(srv.ReloadHandler(reloadFunc)))) | ||
| srv.mux.Handle("/api/v1/shutdown", srv.logMiddleware(http.HandlerFunc(srv.ShutdownHandler))) | ||
| srv.mux.Handle("/api/v1/stats", srv.logMiddleware(http.HandlerFunc(srv.RenderStats))) | ||
|
|
||
| return &srv | ||
| } | ||
|
|
||
| func (srv *APIServer) ShutdownHandler(w http.ResponseWriter, r *http.Request) { | ||
| msg, err := io.ReadAll(r.Body) | ||
| if err != nil || len(msg) == 0 { | ||
| w.WriteHeader(http.StatusBadRequest) | ||
| return | ||
| } | ||
|
|
||
| go srv.hlServer.Shutdown(msg) | ||
|
|
||
| _, _ = io.WriteString(w, `{ "msg": "server shutting down" }`) | ||
| } | ||
|
|
||
| func (srv *APIServer) ReloadHandler(reloadFunc func()) func(w http.ResponseWriter, _ *http.Request) { | ||
| return func(w http.ResponseWriter, _ *http.Request) { | ||
| reloadFunc() | ||
|
|
||
| _, _ = io.WriteString(w, `{ "msg": "config reloaded" }`) | ||
| } | ||
| } | ||
|
|
||
| func (srv *APIServer) RenderStats(w http.ResponseWriter, _ *http.Request) { | ||
| u, err := json.Marshal(srv.hlServer.CurrentStats()) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| _, _ = io.WriteString(w, string(u)) | ||
| } | ||
|
|
||
| func (srv *APIServer) Serve(port string) { | ||
| err := http.ListenAndServe(port, srv.mux) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| } |