add a gorilla websocket send

Signed-off-by: Jeff Carr <jcarr@wit.com>
This commit is contained in:
Jeff Carr 2019-05-11 23:21:57 -07:00
parent 8b71cd76e5
commit 06e60fbcb6
3 changed files with 152 additions and 21 deletions

119
gorilla.go Normal file
View File

@ -0,0 +1,119 @@
// Copyright 2015 The Gorilla WebSocket Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import "flag"
import "log"
import "net/url"
import "os"
import "os/signal"
import "time"
import "github.com/gorilla/websocket"
import "github.com/golang/protobuf/proto"
import pb "git.wit.com/wit/witProtobuf"
var gorillaConn *websocket.Conn
func readGorillaConn(done chan struct{}, conn *websocket.Conn) {
defer close(done)
for {
mytype, message, err := conn.ReadMessage()
if err != nil {
log.Println("read:", err)
return
}
if (mytype == websocket.BinaryMessage) {
pdata := new(pb.Event)
err = proto.Unmarshal(message, pdata)
if (err != nil) {
log.Printf("readConn() something fucked up happened in Unmarshal")
}
log.Printf("recv binary: %s", pdata)
} else {
log.Printf("recv: %s", message)
// log.Printf("type, err = ", mytype, err)
}
}
}
func gorillaSendProtobuf() {
if (gorillaConn == nil) {
log.Println("gorillaSendProtobuf() gorillaConn == nil")
return
}
msg := pb.CreateSampleEvent()
msg.Name = "test echo over gorilla websocket"
data, _ := proto.Marshal(msg)
err2 := gorillaConn.WriteMessage(websocket.BinaryMessage, data)
if err2 != nil {
log.Println("write:", err2)
return
}
}
func gorillaDial() {
var addr = flag.String("addr", "v000185.testing.com.customers.wprod.wit.com:9000", "http service address")
interrupt := make(chan os.Signal, 1)
signal.Notify(interrupt, os.Interrupt)
u := url.URL{Scheme: "ws", Host: *addr, Path: "/event"}
log.Printf("connecting to %s", u.String())
conn, _, err := websocket.DefaultDialer.Dial(u.String(), nil)
if err != nil {
log.Println("gorilla Dial failed", err)
return
}
defer conn.Close()
gorillaConn = conn
done := make(chan struct{})
// handle inbound messages on the channel
go readGorillaConn(done, conn)
ticker := time.NewTicker(time.Second)
defer ticker.Stop()
for {
select {
case <-done:
return
case t := <-ticker.C:
err := conn.WriteMessage(websocket.TextMessage, []byte(t.String()))
if err != nil {
log.Println("write:", err)
return
}
msg := pb.CreateSampleEvent()
msg.Name = "test echo over gorilla websocket"
data, _ := proto.Marshal(msg)
err2 := conn.WriteMessage(websocket.BinaryMessage, data)
if err2 != nil {
log.Println("write:", err2)
return
}
case <-interrupt:
log.Println("interrupt")
// Cleanly close the connection by sending a close message and then
// waiting (with timeout) for the server to close the connection.
err := conn.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
if err != nil {
log.Println("write close:", err)
return
}
select {
case <-done:
case <-time.After(time.Second):
}
return
}
}
}

View File

@ -80,6 +80,14 @@ func makeCloudInfoBox() ui.Control {
})
vbox.Append(add5button, false)
// Send a protobuf over a gorilla websocket
add6button := ui.NewButton("gorillaSendProtobuf()")
add6button.OnClicked(func(*ui.Button) {
log.Println("gorillaSendProtobuf()")
gorillaSendProtobuf()
})
vbox.Append(add6button, false)
hbox.Append(ui.NewVerticalSeparator(), false)
vbox = ui.NewVerticalBox()

46
main.go
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@ -27,6 +27,26 @@ import _ "github.com/andlabs/ui/winmanifest"
// always sorted slice (new project)
// https://github.com/yaa110/sslice
// Exit and write out the config
// (in yaml and json I guess.)
// switch to json once it can be made human readable
func onExit() {
log.Println("Sleep for 1 second")
time.Sleep(1 * 1000 * 1000 * 1000)
f, err := os.Create("/tmp/cloud-control-panel.yaml")
if err == nil {
config.DumpTo(f, "yaml")
}
f, err = os.Create("/tmp/cloud-control-panel.json")
if err == nil {
config.DumpTo(f, "json")
}
os.Exit(0)
}
func main() {
parseConfig()
@ -39,7 +59,11 @@ func main() {
initChannel()
go processEvents()
go retrySocket()
// setups up a dnssecsocket()
// go retrySocket()
time.Sleep(3 * 1000 * 1000 * 1000)
go gorillaDial()
// make this the main loop in an attempt to figure out the crashes
// do not change this until the GUI is stable
@ -60,23 +84,3 @@ func main() {
}
*/
}
// Exit and write out the config
// (in yaml and json I guess.)
// switch to json once it can be made human readable
func onExit() {
log.Println("Sleep for 1 second")
time.Sleep(1 * 1000 * 1000 * 1000)
f, err := os.Create("/tmp/cloud-control-panel.yaml")
if err == nil {
config.DumpTo(f, "yaml")
}
f, err = os.Create("/tmp/cloud-control-panel.json")
if err == nil {
config.DumpTo(f, "json")
}
os.Exit(0)
}