Added updateEvent to event tree and tested cancelling the event over graphql

gql.go

@@ -10,6 +10,7 @@ import (
   "errors"
   "fmt"
   "sync"
+  "time"
 )
 
 func GraphiQLHandler() func(http.ResponseWriter, *http.Request) {
@@ -93,6 +94,8 @@ func GraphiQLHandler() func(http.ResponseWriter, *http.Request) {
 
 type GQLQuery struct {
   Query string `json:"query"`
+  OperationName string `json:"operationName"`
+  Variables map[string]interface{} `json:"variables"`
 }
 
 func GQLHandler(schema graphql.Schema, ctx context.Context) func(http.ResponseWriter, *http.Request) {
@@ -104,13 +107,24 @@ func GQLHandler(schema graphql.Schema, ctx context.Context) func(http.ResponseWr
     }
     res := GQLQuery{}
     json.Unmarshal(str, &res)
-    result := graphql.Do(graphql.Params{
+    params := graphql.Params{
       Schema: schema,
       Context: ctx,
       RequestString: res.Query,
-    })
+    }
+    if res.OperationName != "" {
+      params.OperationName = res.OperationName
+    }
+    if len(res.Variables) > 0 {
+      log.Logf("gql", "VARIABLES: %+v", res.Variables)
+      params.VariableValues = res.Variables
+    }
+    result := graphql.Do(params)
     if len(result.Errors) > 0 {
-      log.Logf("gql", "wrong result, unexpected errors: %v", result.Errors)
+      extra_fields := map[string]interface{}{}
+      extra_fields["body"] = string(str)
+      extra_fields["headers"] = r.Header
+      log.Logm("gql", extra_fields, "wrong result, unexpected errors: %v", result.Errors)
     }
     json.NewEncoder(w).Encode(result)
   }
@@ -395,6 +409,93 @@ func GQLTypeEventQueue() * graphql.Object {
   return gql_type_event_queue
 }
 
+func GQLSignalFn(p graphql.ResolveParams, fn func(GraphSignal, graphql.ResolveParams)(interface{}, error))(interface{}, error) {
+    if signal, ok := p.Source.(GraphSignal); ok {
+      return fn(signal, p)
+    }
+    return nil, errors.New("Failed to cast source to event")
+}
+
+func GQLSignalType(p graphql.ResolveParams) (interface{}, error) {
+  return GQLSignalFn(p, func(signal GraphSignal, p graphql.ResolveParams)(interface{}, error){
+    return signal.Type(), nil
+  })
+}
+
+func GQLSignalDesc(p graphql.ResolveParams) (interface{}, error) {
+  return GQLSignalFn(p, func(signal GraphSignal, p graphql.ResolveParams)(interface{}, error){
+    return signal.Description(), nil
+  })
+}
+
+func GQLSignalTime(p graphql.ResolveParams) (interface{}, error) {
+    return GQLSignalFn(p, func(signal GraphSignal, p graphql.ResolveParams)(interface{}, error){
+      return signal.Time(), nil
+    })
+}
+
+func GQLSignalString(p graphql.ResolveParams) (interface{}, error) {
+    return GQLSignalFn(p, func(signal GraphSignal, p graphql.ResolveParams)(interface{}, error){
+      return signal.String(), nil
+    })
+}
+
+
+var gql_type_signal *graphql.Object = nil
+func GQLTypeSignal() *graphql.Object {
+  if gql_type_signal == nil {
+    gql_type_signal = graphql.NewObject(graphql.ObjectConfig{
+      Name: "SignalOut",
+      IsTypeOf: func(p graphql.IsTypeOfParams) bool {
+        _, ok := p.Value.(GraphSignal)
+        return ok
+      },
+      Fields: graphql.Fields{},
+    })
+
+    gql_type_signal.AddFieldConfig("Type", &graphql.Field{
+      Type: graphql.String,
+      Resolve: GQLSignalType,
+    })
+    gql_type_signal.AddFieldConfig("Description", &graphql.Field{
+      Type: graphql.String,
+      Resolve: GQLSignalDesc,
+    })
+    gql_type_signal.AddFieldConfig("Time", &graphql.Field{
+      Type: graphql.DateTime,
+      Resolve: GQLSignalTime,
+    })
+    gql_type_signal.AddFieldConfig("String", &graphql.Field{
+      Type: graphql.String,
+      Resolve: GQLSignalString,
+    })
+  }
+  return gql_type_signal
+}
+
+var gql_type_signal_input *graphql.InputObject = nil
+func GQLTypeSignalInput() *graphql.InputObject {
+  if gql_type_signal_input == nil {
+    gql_type_signal_input = graphql.NewInputObject(graphql.InputObjectConfig{
+      Name: "SignalIn",
+      Fields: graphql.InputObjectConfigFieldMap{},
+    })
+    gql_type_signal_input.AddFieldConfig("Type", &graphql.InputObjectFieldConfig{
+      Type: graphql.String,
+    })
+    gql_type_signal_input.AddFieldConfig("Description", &graphql.InputObjectFieldConfig{
+      Type: graphql.String,
+      DefaultValue: "",
+    })
+    gql_type_signal_input.AddFieldConfig("Time", &graphql.InputObjectFieldConfig{
+      Type: graphql.DateTime,
+      DefaultValue: time.Now(),
+    })
+  }
+  return gql_type_signal_input
+}
+
+
 type GQLServer struct {
   BaseResource
   abort chan error
@@ -428,7 +529,7 @@ func (server * GQLServer) Handler() func(http.ResponseWriter, *http.Request) {
   valid_resources := map[reflect.Type]*graphql.Object{}
   valid_resources[reflect.TypeOf((*BaseResource)(nil))] = GQLTypeBaseResource()
 
-  gql_types := []graphql.Type{GQLTypeBaseEvent(), GQLTypeEventQueue()}
+  gql_types := []graphql.Type{GQLTypeBaseEvent(), GQLTypeEventQueue(), GQLTypeSignal(), GQLTypeSignalInput()}
   for go_t, gql_t := range(server.extended_types) {
     valid_events[go_t] = gql_t
     gql_types = append(gql_types, gql_t)
@@ -436,6 +537,54 @@ func (server * GQLServer) Handler() func(http.ResponseWriter, *http.Request) {
 
   schemaConfig  := graphql.SchemaConfig{
     Types: gql_types,
+    Mutation: graphql.NewObject(graphql.ObjectConfig{
+      Name: "Mutation",
+      Fields: graphql.Fields{
+        "updateEvent": &graphql.Field{
+          Type: GQLTypeSignal(),
+          Args: graphql.FieldConfigArgument{
+            "id": &graphql.ArgumentConfig{
+              Type: graphql.String,
+            },
+            "signal": &graphql.ArgumentConfig{
+              Type: GQLTypeSignalInput(),
+            },
+          },
+          Resolve: func(p graphql.ResolveParams) (interface{}, error) {
+            signal_map, ok := p.Args["signal"].(map[string]interface{})
+            if ok == false {
+              return nil, errors.New(fmt.Sprintf("Failed to cast arg signal to GraphSignal: %+v", p.Args["signal"]))
+            }
+            signal := NewSignal(server, signal_map["Type"].(string))
+            signal.description = signal_map["Description"].(string)
+            signal.time = signal_map["Time"].(time.Time)
+
+            id , ok := p.Args["id"].(string)
+            if ok == false {
+              return nil, errors.New("Failed to cast arg id to string")
+            }
+
+            owner := server.Owner()
+            if owner == nil {
+              return nil, errors.New("Cannot send update without owner")
+            }
+
+            root_event, ok := owner.(Event)
+            if ok == false {
+              return nil, errors.New("Cannot send update to Event unless owned by an Event")
+            }
+
+            node := FindChild(root_event, id)
+            if node == nil {
+              return nil, errors.New("Failed to find id in event tree from server")
+            }
+
+            SendUpdate(node, signal)
+            return signal, nil
+          },
+        },
+      },
+    }),
     Query: graphql.NewObject(graphql.ObjectConfig{
       Name: "Query",
       Fields: graphql.Fields{

graph.go

@@ -13,6 +13,7 @@ import (
 type Logger interface {
   Init() error
   Logf(component string, format string, items ... interface{})
+  Logm(component string, fields map[string]interface{}, format string, items ... interface{})
 }
 
 type DefaultLogger struct {
@@ -25,6 +26,15 @@ var log DefaultLogger = DefaultLogger{loggers: map[string]zerolog.Logger{}}
 var all_components = []string{"update", "graph", "event", "resource", "manager", "test", "gql"}
 
 func (logger * DefaultLogger) Init(components []string) error {
+  logger.init_lock.Lock()
+  defer logger.init_lock.Unlock()
+
+  if logger.init == true {
+    return nil
+  }
+
+  logger.init = true
+
   file, err := os.OpenFile("test.log", os.O_TRUNC|os.O_CREATE|os.O_WRONLY, 0666)
   if err != nil {
     return err
@@ -40,24 +50,28 @@ func (logger * DefaultLogger) Init(components []string) error {
   }
 
   writer := io.MultiWriter(file, os.Stdout)
-  for _, c := range([]string{"gql"}) {
+  for _, c := range(all_components) {
     if component_enabled(c) == true {
       logger.loggers[c] = zerolog.New(writer).With().Timestamp().Str("component", c).Logger()
-    } else {
-      panic(fmt.Sprintf("%s is not a component in DefaultLogger", c))
     }
   }
   return nil
 }
 
-func (logger * DefaultLogger) Logf(component string, format string, items ... interface{}) {
-  logger.init_lock.Lock()
-  if logger.init == false {
-    logger.Init(all_components)
-    logger.init = true
+func (logger * DefaultLogger) Logm(component string, fields map[string]interface{}, format string, items ... interface{}) {
+  logger.Init([]string{"gql"})
+  l, exists := logger.loggers[component]
+  if exists == true {
+    log := l.Log()
+    for key, value := range(fields) {
+      log = log.Str(key, fmt.Sprintf("%+v", value))
+    }
+    log.Msg(fmt.Sprintf(format, items...))
   }
-  logger.init_lock.Unlock()
+}
 
+func (logger * DefaultLogger) Logf(component string, format string, items ... interface{}) {
+  logger.Init([]string{"gql"})
   l, exists := logger.loggers[component]
   if exists == true {
     l.Log().Msg(fmt.Sprintf(format, items...))

main.go

@@ -241,7 +241,7 @@ func (client * FakeClient) process_update(update GraphSignal) {
 }
 
 func main() {
-  event_manager, arenas_div1, arenas_div2 := fake_data()
+  event_manager, _, _ := fake_data()
 
   sigs := make(chan os.Signal, 1)
   signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
@@ -261,11 +261,12 @@ func main() {
     pprof.WriteHeapProfile(memfile)
   }()
 
-  // Fake arena clients
+  /*// Fake arena clients
   arena_1_client := NewFakeClient(arenas_div1[0])
   arena_2_client := NewFakeClient(arenas_div1[1])
   arena_3_client := NewFakeClient(arenas_div2[0])
   arena_4_client := NewFakeClient(arenas_div2[1])
+  */
   go func() {
     for true {
       select {
@@ -276,7 +277,7 @@ func main() {
         time.Sleep(time.Second * 5)
         pprof.Lookup("goroutine").WriteTo(os.Stdout, 1)
         break
-      case update := <- arena_1_client.update:
+      /*case update := <- arena_1_client.update:
         arena_1_client.process_update(update)
       case update := <- arena_2_client.update:
         arena_2_client.process_update(update)
@@ -291,7 +292,7 @@ func main() {
          arena_4_client.games_done == 12 {
         //signal := NewSignal(nil, "cancel")
         //signal.description = event_manager.root_event.ID()
-        //SendUpdate(event_manager.root_event, signal)
+        //SendUpdate(event_manager.root_event, signal)*/
       }
     }
   }()
@@ -302,10 +303,6 @@ func main() {
     log.Logf("test", "Error running event_manager: %s", err)
   } else {
     log.Logf("test", "Finished event_manager")
-    log.Logf("test", "Client 1 games: %d", arena_1_client.games_done)
-    log.Logf("test", "Client 2 games: %d", arena_2_client.games_done)
-    log.Logf("test", "Client 3 games: %d", arena_3_client.games_done)
-    log.Logf("test", "Client 4 games: %d", arena_4_client.games_done)
   }
   pprof.StopCPUProfile()
 }