ServeHTTP to serve http reqeust and response to process http rpc handle
(w http.ResponseWriter, req *http.Request)
| 59 | |
| 60 | // ServeHTTP to serve http reqeust and response to process http rpc handle |
| 61 | func (h *HttpServer) ServeHTTP(w http.ResponseWriter, req *http.Request) { |
| 62 | path := req.URL.Path |
| 63 | if !strings.HasPrefix(path, HttpRpcPath) { |
| 64 | data := toJson(errResponse(ST_SERVICE_NOTFOUND, fmt.Sprintf("no service or method found by path='%s'", path))) |
| 65 | w.Write(data) |
| 66 | return |
| 67 | } |
| 68 | serviceName, method, err := getServiceMethod(path) |
| 69 | if err != nil { |
| 70 | data := toJson(errResponse(ST_ERROR, err.Error())) |
| 71 | w.Write(data) |
| 72 | return |
| 73 | } |
| 74 | |
| 75 | sid := GetServiceId(serviceName, method) |
| 76 | |
| 77 | service, ok := h.s.services[sid] |
| 78 | if !ok { |
| 79 | data := toJson(errResponse(ST_SERVICE_NOTFOUND, fmt.Sprintf("no service or method found by path='%s'", path))) |
| 80 | w.Write(data) |
| 81 | return |
| 82 | } |
| 83 | |
| 84 | // authenticate |
| 85 | if h.s.authService != nil { |
| 86 | authData := getHeaderAsByte(req, Auth_key) |
| 87 | authOk := h.s.authService.Authenticate(serviceName, method, authData) |
| 88 | if !authOk { |
| 89 | data := toJson(errResponse(ST_AUTH_ERROR, errAuth.Error())) |
| 90 | w.Write(data) |
| 91 | return |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | if h.s.traceService != nil { |
| 96 | traceId := getHeaderAsInt64(req, Trace_Id_key) |
| 97 | spanId := getHeaderAsInt64(req, Trace_Span_key) |
| 98 | parentId := getHeaderAsInt64(req, Trace_Parent_key) |
| 99 | traceInfo := &TraceInfo{TraceId: traceId, SpanId: spanId, ParentSpanId: parentId} |
| 100 | |
| 101 | value := getHeaderAsByte(req, Request_Meta_Key) |
| 102 | if value != nil { |
| 103 | value, _ = UnescapeUnicode(value) |
| 104 | metaExt := map[string]string{} |
| 105 | err := json.Unmarshal(value, &metaExt) |
| 106 | if err == nil { |
| 107 | traceInfo.RpcRequestMetaExt = metaExt |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | traceRetrun := h.s.traceService.Trace(serviceName, method, traceInfo) |
| 112 | if traceRetrun != nil { |
| 113 | w.Header().Set(Trace_Id_key, int64ToString(traceRetrun.TraceId)) |
| 114 | w.Header().Set(Trace_Span_key, int64ToString(traceRetrun.SpanId)) |
| 115 | w.Header().Set(Trace_Parent_key, int64ToString(traceRetrun.ParentSpanId)) |
| 116 | if traceRetrun.RpcRequestMetaExt != nil { |
| 117 | metaData, err := json.Marshal(traceRetrun.RpcRequestMetaExt) |
| 118 | if err == nil { |
nothing calls this directly
no test coverage detected