func (s *Service) ProcessRequest(ctx *core.Context, m map[string]interface{}, out io.Writer) (map[string]interface{}, error) { core.Log(core.INFO, ctx, "service.ProcessRequest", "m", m) timer := core.NewTimer(ctx, "ProcessRequest") defer func() { elapsed := timer.Stop() core.Point(ctx, "rulesservice", "requestTime", elapsed/1000, "Microseconds") }() u, given := m["uri"] if !given { return nil, fmt.Errorf("No uri.") } uri := DWIMURI(ctx, u.(string)) switch uri { // case "/api/sys/config": // mutationStore,have,_ := getStringParam(m, "MutationStore", false) // if have { // return fmt.Errorf("You can't do that.") // } // current s.System.GetConfig() // logging,have,_ := getStringParam(m, "logging", false) // if have { // current.Logging = logging // } // err := StoreConfig(current) // if err != nil { // return err // } // err = s.System.SetConfig(current) // if err != nil { // return err // } // return `{"status":"happy"}` case "/api/version": fmt.Fprintf(out, `{"version":"%s","go":"%s"}`, APIVersion, runtime.Version()) case "/api/health": // Let's have a simple URI. fmt.Fprintf(out, `{"status":"good"}`) case "/api/health/shallow": fmt.Fprintf(out, `{"status":"good"}`) case "/api/health/deep": if err := s.HealthDeep(ctx); err != nil { return m, nil } fmt.Fprintf(out, `{"status":"good"}`) case "/api/health/deeper": if err := s.HealthDeeper(ctx); err != nil { return m, nil } fmt.Fprintf(out, `{"status":"good"}`) case "/api/sys/control": // Temporary implementation so I can test other things. control, given, _ := GetStringParam(m, "control", false) target := s.System.Control() if given { err := json.Unmarshal([]byte(control), target) if err != nil { return nil, err } s.System.SetControl(*target) target = s.System.Control() js, err := json.Marshal(target) if err != nil { return nil, err } out.Write([]byte(fmt.Sprintf(`{"result":"okay","control":%s}`, js))) } else { js, err := json.Marshal(target) if err != nil { return nil, err } out.Write(js) } case "/api/sys/params": control, given, _ := GetStringParam(m, "params", false) target := core.SystemParameters.Copy() if given { err := json.Unmarshal([]byte(control), target) if err != nil { return nil, err } core.SystemParameters = target target = core.SystemParameters js, err := json.Marshal(target) if err != nil { return nil, err } out.Write([]byte(fmt.Sprintf(`{"result":"okay","params":%s}`, js))) } else { js, err := json.Marshal(target) if err != nil { return nil, err } out.Write(js) } case "/api/sys/cachedlocations": js, err := json.Marshal(map[string]interface{}{ "locations": s.System.GetCachedLocations(ctx), }) if err != nil { return nil, err } out.Write(js) case "/api/sys/loccontrol": control, given, _ := GetStringParam(m, "control", false) ctl := s.System.Control() target := ctl.DefaultLocControl if given { err := json.Unmarshal([]byte(control), target) if err != nil { return nil, err } js, err := json.Marshal(target) if err != nil { return nil, err } ctl.DefaultLocControl = target out.Write([]byte(fmt.Sprintf(`{"result":"okay","control":%s}`, js))) } else { js, err := json.Marshal(target) if err != nil { return nil, err } out.Write(js) } case "/api/sys/stats": stats, err := s.System.GetStats(ctx) if err != nil { return nil, err } js, err := json.Marshal(&stats) if err != nil { return nil, err } out.Write(js) case "/api/sys/runtime": m, err := GetRuntimes(ctx) if nil != err { return nil, err } // m["stats"] = GetStats() js, err := json.Marshal(m) if err != nil { return nil, err } out.Write(js) case "/api/sys/util/nowsecs": fmt.Fprintf(out, `{"secs":%d}`, core.NowSecs()) case "/api/sys/util/js": code, _, err := GetStringParam(m, "code", true) bs := make(core.Bindings) x, err := core.RunJavascript(ctx, &bs, nil, code) if err != nil { return m, err } js, err := json.Marshal(&x) if err != nil { return m, err } fmt.Fprintf(out, `{"result":%s}`, js) case "/api/sys/util/setJavascriptTestValue": js, _, err := GetStringParam(m, "value", true) if err != nil { return nil, err } var x interface{} if err := json.Unmarshal([]byte(js), &x); err != nil { return nil, err } core.JavascriptTestValue = x fmt.Fprintf(out, `{"result":%s}`, js) case "/api/sys/admin/panic": // No required params message, _, _ := GetStringParam(m, "message", false) panic(message) case "/api/sys/admin/sleep": // Option d=duration duration, given, _ := GetStringParam(m, "d", false) if !given { duration = "1s" } d, err := time.ParseDuration(duration) if err != nil { return nil, err } time.Sleep(d) out.Write([]byte(fmt.Sprintf(`{"slept":"%s"}`, d.String()))) case "/api/sys/admin/shutdown": duration, given, _ := GetStringParam(m, "d", false) if given && s.Stopper == nil { return nil, errors.New("no Stopper for given duration") } if !given { duration = "1s" } d, err := time.ParseDuration(duration) if err != nil { return nil, err } go func() { if s.Stopper != nil { core.Log(core.INFO, ctx, "/api/admin/shutdown", "Stopper", true) if err := s.Stopper(ctx, d); err != nil { core.Log(core.ERROR, ctx, "/api/admin/shutdown", "error", err) } } core.Log(core.INFO, ctx, "/api/admin/shutdown", "Stopper", false) if err := s.Shutdown(ctx); err != nil { core.Log(core.ERROR, ctx, "/api/admin/shutdown", "error", err) } }() out.Write([]byte(`{"status":"okay"}`)) case "/api/sys/admin/gcpercent": percent, _, _ := GetStringParam(m, "percent", true) n, err := strconv.Atoi(percent) if err != nil { return nil, err } was := debug.SetGCPercent(n) fmt.Fprintf(out, `{"status":"okay","was":%d,"now":%d}`, was, n) case "/api/sys/admin/freemem": debug.FreeOSMemory() fmt.Fprintf(out, `{"status":"okay"}`) case "/api/sys/admin/purgeslurpcache": core.SlurpCache.Purge() fmt.Fprintf(out, `{"status":"okay"}`) case "/api/sys/admin/purgehttppcache": core.HTTPClientCache.Purge() fmt.Fprintf(out, `{"status":"okay"}`) case "/api/sys/admin/purgecaches": core.SlurpCache.Purge() core.HTTPClientCache.Purge() fmt.Fprintf(out, `{"status":"okay"}`) case "/api/sys/admin/gc": runtime.GC() fmt.Fprintf(out, `{"status":"okay"}`) case "/api/sys/admin/heapdump": filename, _, _ := GetStringParam(m, "filename", false) if filename == "" { filename = "heap.dump" } f, err := os.Create(filename) if err != nil { return nil, err } debug.WriteHeapDump(f.Fd()) if err = f.Close(); err != nil { return nil, err } fmt.Fprintf(out, `{"status":"okay","filename":"%s"}`, filename) case "/api/sys/util/match": // Params: fact or event,pattern fact, have, err := getMapParam(m, "fact", false) if err != nil { return nil, err } if !have { // Maybe we were given an 'event'. Fine. fact, _, err = getMapParam(m, "event", true) } if err != nil { return nil, err } pattern, _, err := getMapParam(m, "pattern", true) if err != nil { return nil, err } bss, err := core.Matches(ctx, pattern, fact) if err != nil { return nil, err } js, err := json.Marshal(&bss) if err != nil { return nil, err } out.Write(js) case "/api/sys/admin/timers/names": // No params names := core.GetTimerNames() js, err := json.Marshal(names) if err != nil { return nil, err } out.Write(js) case "/api/sys/admin/timers/get": // Param: "name", optional "after" int, optional "limit" int name, _, err := GetStringParam(m, "name", true) if err != nil { return nil, err } after, given, _ := GetStringParam(m, "after", false) if !given { after = "-1" } aft, err := strconv.Atoi(after) if err != nil { return nil, err } limit, given := m["limit"] if !given { limit = float64(-1) } history := core.GetTimerHistory(name, aft, int(limit.(float64))) js, err := json.Marshal(history) if err != nil { return m, err } out.Write(js) case "/api/sys/storage/get": // For testing storage, err := s.System.PeekStorage(ctx) if err != nil { return nil, err } var acc string switch impl := storage.(type) { case *core.MemStorage: state := impl.State(ctx) js, err := json.Marshal(&state) if err != nil { acc = fmt.Sprintf(`{"type":"%T","error":"%s"}`, storage, err.Error()) } else { acc = fmt.Sprintf(`{"type":"%T","state":%s}`, storage, js) } default: acc = fmt.Sprintf(`{"type":"%T"}`, storage) } if _, err = out.Write([]byte(acc)); err != nil { core.Log(core.ERROR, ctx, "/api/sys/storage", "error", err) } case "/api/sys/storage/set": // For testing state, _, err := getMapParam(m, "state", true) if err != nil { return nil, err } storage, err := s.System.PeekStorage(ctx) if err != nil { return nil, err } switch impl := storage.(type) { case *core.MemStorage: mms := make(map[string]map[string]string) for loc, pairs := range state { m, ok := pairs.(map[string]interface{}) if !ok { return nil, fmt.Errorf("bad pairs %#v (%T)", pairs, pairs) } locPairs := make(map[string]string) for id, val := range m { s, ok := val.(string) if !ok { return nil, fmt.Errorf("bad value %#v (%T)", val, val) } locPairs[id] = s } mms[loc] = locPairs } impl.SetState(ctx, mms) out.Write([]byte(`{"status":"okay"}`)) default: return nil, fmt.Errorf(`{"error":"set not supported for %T"}`, storage) } case "/api/sys/util/batch": // For testing // Execute a batch of requests batch, given := m["requests"] if !given { return nil, errors.New("missing 'requests' parameter") } var err error switch xs := batch.(type) { case []interface{}: _, err = out.Write([]byte("[")) for i, x := range xs { if 0 < i { _, err = out.Write([]byte(",")) } switch m := x.(type) { case map[string]interface{}: _, err = s.ProcessRequest(ctx, m, out) if err != nil { problem := fmt.Sprintf(`{"error":"%s"}`, err.Error()) _, err = out.Write([]byte(problem)) } default: problem := fmt.Sprintf(`"bad type %T"`, x) _, err = out.Write([]byte(problem)) } } _, err = out.Write([]byte("]")) default: return nil, errors.New("'requests' not an array") } if err != nil { core.Log(core.ERROR, ctx, "/api/sys/batch", "error", err) } case "/api/loc/admin/size": location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } n, err := s.System.GetSize(ctx, location) if err != nil { return nil, err } fmt.Fprintf(out, `{"size":%d}`, n) case "/api/loc/admin/stats": location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } stats, err := s.System.GetLocationStats(ctx, location) if err != nil { return nil, err } js, err := json.Marshal(&stats) if err != nil { return nil, err } if _, err = out.Write(js); err != nil { core.Log(core.ERROR, ctx, "/api/loc/stats", "warning", err) } case "/api/loc/util/js": location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } code, _, err := GetStringParam(m, "code", true) encoding, provided, err := GetStringParam(m, "encoding", false) if provided { code, err = core.DecodeString(encoding, code) if err != nil { return nil, err } } bs := make(core.Bindings) var props map[string]interface{} ctl := s.System.LocControl(ctx, location) if ctl != nil { props = ctl.CodeProps } libraries := make([]string, 0, 0) libs, given := m["libraries"] if given { switch vv := libs.(type) { case []interface{}: for _, lib := range vv { switch s := lib.(type) { case string: libraries = append(libraries, s) default: err := fmt.Errorf("Bad library type %T (value= %#v)", lib, lib) core.Log(core.UERR, ctx, "/api/loc/util/js", "error", err) return nil, err } } default: err := fmt.Errorf("Bad 'libraries' type %T (value= %#v)", libs, libs) core.Log(core.UERR, ctx, "/api/loc/util/js", "error", err) return nil, err } } x, err := s.System.RunJavascript(ctx, location, code, libraries, &bs, props) if err != nil { return m, err } js, err := json.Marshal(&x) if err != nil { return m, err } fmt.Fprintf(out, `{"result":%s}`, js) case "/api/loc/admin/create": // Params: location location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } created, err := s.System.CreateLocation(ctx, location) if err != nil { return nil, err } if !created { return nil, fmt.Errorf("%s already exists", location) } if _, err = out.Write([]byte(`{"status":"okay"}`)); err != nil { core.Log(core.ERROR, ctx, "/api/loc/admin/create", "warning", err) } case "/api/loc/admin/clear": // Params: location location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } err = s.System.ClearLocation(ctx, location) if err != nil { return nil, err } if _, err = out.Write([]byte(`{"status":"okay"}`)); err != nil { core.Log(core.ERROR, ctx, "/api/loc/admin/clear", "warning", err) } case "/api/loc/admin/updatedmem": // Params: location location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } updated, err := s.System.GetLastUpdatedMem(ctx, location) if err != nil { return nil, err } resp := fmt.Sprintf(`{"lastUpdated":"%s","source":"memory"}`, updated) if _, err = out.Write([]byte(resp)); err != nil { core.Log(core.INFO, ctx, "/api/loc/admin/updatedmem", "warning", err) } case "/api/loc/admin/delete": // Params: location location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } err = s.System.DeleteLocation(ctx, location) if err != nil { return nil, err } if _, err = out.Write([]byte(`{"status":"okay"}`)); err != nil { core.Log(core.ERROR, ctx, "/api/loc/admin/delete", "warning", err) } case "/api/loc/events/ingest": // Params: event event, _, err := getMapParam(m, "event", true) if err != nil { return nil, err } location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } // ToDo: Not this. js, err := json.Marshal(event) if err != nil { return nil, err } ctx.LogAccumulatorLevel = core.EVERYTHING work, err := s.System.ProcessEvent(ctx, location, string(js)) if err != nil { return nil, err } js, err = json.Marshal(work) if err != nil { return nil, err } s := fmt.Sprintf(`{"id":"%s","result":%s}`, ctx.Id(), js) core.Log(core.INFO, ctx, "/api/loc/events/ingest", "got", s) if _, err = out.Write([]byte(s)); err != nil { core.Log(core.ERROR, ctx, "/api/loc/events/ingest", "warning", err) } case "/api/loc/events/retry": // Params: work workStr, _, err := GetStringParam(m, "work", true) if err != nil { return nil, err } location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } fr := core.FindRules{} err = json.Unmarshal([]byte(workStr), &fr) if err != nil { return nil, err } ctx.LogAccumulatorLevel = core.EVERYTHING // ToDo: Support number of steps to take. err = s.System.RetryEventWork(ctx, location, &fr) js, err := json.Marshal(fr) if err != nil { return nil, err } s := fmt.Sprintf(`{"id":"%s","result":%s}`, ctx.Id(), js) core.Log(core.INFO, ctx, "/api/loc/events/retry", "got", s) if _, err = out.Write([]byte(s)); err != nil { core.Log(core.ERROR, ctx, "/api/loc/events/retry", "warning", err) } case "/api/loc/facts/add": // Params: fact fact, _, err := getMapParam(m, "fact", true) if err != nil { return nil, err } location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } id, _, err := GetStringParam(m, "id", false) // ToDo: Not this. js, err := json.Marshal(fact) if err != nil { return nil, err } id, err = s.System.AddFact(ctx, location, id, string(js)) if err != nil { return nil, err } m := map[string]interface{}{"id": id} js, err = json.Marshal(&m) if err != nil { return nil, err } if _, err = out.Write(js); err != nil { core.Log(core.ERROR, ctx, "/api/loc/facts/add", "warning", err) } case "/api/loc/facts/rem": // Params: id id, _, err := GetStringParam(m, "id", true) if err != nil { return nil, err } location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } rid, err := s.System.RemFact(ctx, location, id) if err != nil { return nil, err } m := map[string]interface{}{"removed": rid, "given": id} js, err := json.Marshal(&m) if err != nil { return nil, err } if _, err = out.Write(js); err != nil { core.Log(core.ERROR, ctx, "/api/loc/facts/rem", "warning", err) } case "/api/loc/facts/get": // Params: id id, _, err := GetStringParam(m, "id", true) if err != nil { return nil, err } location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } js, err := s.System.GetFact(ctx, location, id) if err != nil { return nil, err } bs := []byte(fmt.Sprintf(`{"fact":%s,"id":"%s"}`, js, id)) if _, err = out.Write(bs); err != nil { core.Log(core.ERROR, ctx, "/api/loc/facts/get", "warning", err) } case "/api/loc/facts/search": // Params: pattern, inherited pattern, _, err := getMapParam(m, "pattern", true) if err != nil { return nil, err } location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } includedInherited, _, err := getBoolParam(m, "inherited", false) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } // ToDo: Not this. js, err := json.Marshal(pattern) if err != nil { return nil, err } sr, err := s.System.SearchFacts(ctx, location, string(js), includedInherited) if err != nil { return nil, err } _, take := m["take"] if take { // Warning: Not (yet) atomic! for _, found := range sr.Found { _, err := s.System.RemFact(ctx, location, found.Id) if err != nil { core.Log(core.ERROR, ctx, "service.ProcessRequest", "app_tag", "/api/loc/facts/search", "error", err, "RemFact", found.Id) } // ToDo: Something with error. } } js, err = json.Marshal(sr) if err != nil { return nil, err } if _, err = out.Write(js); err != nil { core.Log(core.ERROR, ctx, "/api/loc/facts/take", "warning", err) } case "/api/loc/facts/take": // Params: pattern m["uri"] = "/api/loc/facts/search" m["take"] = true s.ProcessRequest(ctx, m, out) case "/api/loc/facts/replace": // Params: pattern, fact // Really a 'take' followed by a 'add'. m["uri"] = "/api/loc/facts/search" m["take"] = true core.Log(core.INFO, ctx, "service.ProcessRequest", "app_tag", "/api/loc/facts/replace", "phase", "take") s.ProcessRequest(ctx, m, ioutil.Discard) core.Log(core.INFO, ctx, "service.ProcessRequest", "app_tag", "/api/loc/facts/replace", "phase", "add") m["uri"] = "/api/loc/facts/add" s.ProcessRequest(ctx, m, out) case "/api/loc/facts/query": // Params: query query, _, err := getMapParam(m, "query", true) if err != nil { return nil, err } location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } // ToDo: Not this. js, err := json.Marshal(query) if err != nil { return nil, err } qr, err := s.System.Query(ctx, location, string(js)) if err != nil { return nil, err } js, err = json.Marshal(qr) if err != nil { return nil, err } if _, err = out.Write(js); err != nil { core.Log(core.ERROR, ctx, "/api/loc/facts/query", "warning", err) } case "/api/loc/rules/list": // Params: inherited location, _, err := GetStringParam(m, "location", true) if nil != err { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } includedInherited, _, err := getBoolParam(m, "inherited", false) if err != nil { return nil, err } ss, err := s.System.ListRules(ctx, location, includedInherited) if nil != err { return nil, err } js, err := json.Marshal(map[string][]string{"ids": ss}) if nil != err { return nil, err } if _, err = out.Write(js); err != nil { core.Log(core.ERROR, ctx, "/api/loc/rules/list", "warning", err) } case "/api/loc/rules/add": // Params: rule rule, _, err := getMapParam(m, "rule", true) if err != nil { return nil, err } location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } id, _, err := GetStringParam(m, "id", false) // ToDo: Not this. js, err := json.Marshal(rule) if err != nil { return nil, err } id, err = s.System.AddRule(ctx, location, id, string(js)) if err != nil { return nil, err } m := map[string]interface{}{"id": id} js, err = json.Marshal(&m) if err != nil { return nil, err } if _, err = out.Write(js); err != nil { core.Log(core.ERROR, ctx, "/api/loc/rules/add", "warning", err) } case "/api/loc/rules/rem": // Params: id id, _, err := GetStringParam(m, "id", true) if err != nil { return nil, err } location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } rid, err := s.System.RemRule(ctx, location, id) if err != nil { return nil, err } m := map[string]interface{}{"removed": rid, "given": id} js, err := json.Marshal(&m) if err != nil { return nil, err } if _, err = out.Write(js); err != nil { core.Log(core.ERROR, ctx, "/api/loc/rules/rem", "warning", err) } case "/api/loc/rules/disable": // Params: id id, _, err := GetStringParam(m, "id", true) if err != nil { return nil, err } location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } err = s.System.EnableRule(ctx, location, id, false) if err != nil { return nil, err } m := map[string]interface{}{"disabled": id} js, err := json.Marshal(&m) if err != nil { return nil, err } if _, err = out.Write(js); err != nil { core.Log(core.ERROR, ctx, "/api/loc/rules/disable", "warning", err) } case "/api/loc/rules/enable": // Params: id id, _, err := GetStringParam(m, "id", true) if err != nil { return nil, err } location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } err = s.System.EnableRule(ctx, location, id, true) if err != nil { return nil, err } m := map[string]interface{}{"enabled": id} js, err := json.Marshal(&m) if err != nil { return nil, err } if _, err = out.Write(js); err != nil { core.Log(core.ERROR, ctx, "/api/loc/rules/enable", "warning", err) } case "/api/loc/rules/enabled": // Params: id id, _, err := GetStringParam(m, "id", true) if err != nil { return nil, err } location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } enabled, err := s.System.RuleEnabled(ctx, location, id) if err != nil { return nil, err } m := map[string]interface{}{"ruleId": id, "enabled": enabled} js, err := json.Marshal(&m) if err != nil { return nil, err } if _, err = out.Write(js); err != nil { core.Log(core.ERROR, ctx, "/api/loc/rules/enabled", "warning", err) } case "/api/loc/parents": // Params: none means get; "set=[x,y]" means set. location, _, err := GetStringParam(m, "location", true) if err != nil { return nil, err } if err := s.checkLocal(ctx, location); err != nil { return nil, err } js, given, err := GetStringParam(m, "set", false) if given { var parents []string if err = json.Unmarshal([]byte(js), &parents); err != nil { return nil, err } _, err := s.System.SetParents(ctx, location, parents) if err != nil { return nil, err } js := fmt.Sprintf(`{"result": %s}`, js) if _, err = out.Write([]byte(js)); err != nil { core.Log(core.ERROR, ctx, "/api/loc/parents/set", "warning", err) } } else { ps, err := s.System.GetParents(ctx, location) if err != nil { return nil, err } bs, err := json.Marshal(&ps) if err != nil { return nil, err } bs = []byte(fmt.Sprintf(`{"result":%s}`, bs)) if _, err = out.Write(bs); err != nil { core.Log(core.ERROR, ctx, "/api/loc/parents/get", "warning", err) } } default: return nil, fmt.Errorf("Unknown URI '%s'", u) } return nil, nil }
func (s *HTTPService) ServeHTTP(w http.ResponseWriter, r *http.Request) { s.incPending(true) ctx := s.Ctx.SubContext() timer := core.NewTimer(ctx, "ServeHTTP") defer func() { if r.Body != nil { if err := r.Body.Close(); err != nil { core.Log(core.WARN, nil, "ServerHTTP", "error", err, "when", "Close") } } s.incPending(false) timer.Stop() }() m, err := GetHTTPRequest(ctx, r) if err != nil { core.Log(core.ERROR, ctx, "service.ServeHTTP", "error", err) protest(ctx, err, w) return } switch DWIMURI(ctx, m["uri"].(string)) { // Sorry. case "/api/sys/admin/connstates": counts := s.connStates.Get() js, err := json.Marshal(&counts) if err != nil { w.Write([]byte(err.Error())) return } w.Write(js) return case "/api/sys/admin/pending": max, given := m["max"] if given { str, ok := max.(string) if !ok { protest(ctx, err, w) return } n, err := strconv.Atoi(str) if err != nil { protest(ctx, err, w) return } s.SetMaxPending(int32(n)) } maxed, pending := s.Maxed() w.Write([]byte(fmt.Sprintf(`{"pending":%d, "max":%d, "maxed":%v}`, pending, s.MaxPending(), maxed) + "\n")) return } _, err = s.Service.ProcessRequest(ctx, m, w) if err != nil { if redirect, is := err.(*Redirect); is { core.Log(core.INFO, ctx, "service.ServeHTTP", "redirect", redirect.To) http.Redirect(w, r, "http://"+redirect.To, 301) return } else { core.Log(core.ERROR, ctx, "service.ServeHTTP", "error", err) protest(ctx, err, w) } } w.Write([]byte{byte('\n')}) }