Implement skeleton of websocket connect

Author: matteosuppo

app/contexts.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"github.com/arduino/arduino-create-agent/app"
+	"github.com/goadesign/goa"
+	"golang.org/x/net/websocket"
+	"io"
+)
+
+// ConnectV1Controller implements the connect_v1 resource.
+type ConnectV1Controller struct {
+	*goa.Controller
+}
+
+// NewConnectV1Controller creates a connect_v1 controller.
+func NewConnectV1Controller(service *goa.Service) *ConnectV1Controller {
+	return &ConnectV1Controller{Controller: service.NewController("ConnectV1Controller")}
+}
+
+// Websocket runs the websocket action.
+func (c *ConnectV1Controller) Websocket(ctx *app.WebsocketConnectV1Context) error {
+	c.WebsocketWSHandler(ctx).ServeHTTP(ctx.ResponseWriter, ctx.Request)
+	return nil
+}
+
+// WebsocketWSHandler establishes a websocket connection to run the websocket action.
+func (c *ConnectV1Controller) WebsocketWSHandler(ctx *app.WebsocketConnectV1Context) websocket.Handler {
+	return func(ws *websocket.Conn) {
+		// ConnectV1Controller_Websocket: start_implement
+
+		// Put your logic here
+
+		// ConnectV1Controller_Websocket: end_implement
+		ws.Write([]byte("websocket connect_v1"))
+		// Dummy echo websocket server
+		io.Copy(ws, ws)
+	}
+}

app/controllers.go

@@ -0,0 +1,26 @@
+package design
+
+import (
+	. "github.com/goadesign/goa/design"
+	. "github.com/goadesign/goa/design/apidsl"
+)
+
+var _ = Resource("connect_v1", func() {
+	Action("websocket", func() {
+		Routing(GET("/v1/connect"))
+		Scheme("ws")
+		Description("Opens a websocket connection to the device, allowing to read/write")
+		Params(func() {
+			Param("port", String, "The port where the device resides", func() {
+				Example("/dev/ttyACM0")
+			})
+			Param("baud", Integer, "The speed of the connection. Defaults to 9600", func() {
+				Example(9600)
+				Default(9600)
+			})
+			Required("port", "baud")
+		})
+		Response(BadRequest)
+		Response(SwitchingProtocols)
+	})
+})

app/hrefs.go

@@ -1,7 +1,6 @@
 package design
 
 import (
-	. "github.com/goadesign/goa/design"
 	. "github.com/goadesign/goa/design/apidsl"
 )
 
@@ -26,4 +25,5 @@ var _ = Resource("public", func() {
 
 	Files("swagger.json", "swagger/swagger.json")
 	Files("docs", "templates/docs.html")
+	Files("debug", "templates/debug.html")
 })