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client.go
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client.go
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package main
import (
"encoding/json"
"fmt"
"github.com/Baiguoshuai1/shadiaosocketio"
"github.com/Baiguoshuai1/shadiaosocketio/websocket"
"github.com/buger/jsonparser"
"time"
)
type Message struct {
Id int `json:"id"`
Channel string `json:"channel"`
}
type Desc struct {
Text string `json:"text"`
}
func sendAck(c *shadiaosocketio.Client) {
logWithTimestamp("send method: ackFromClient, wait for 3s")
result, err := c.Ack("/ackFromClient", time.Second*5, Message{Id: 2, Channel: "client channel"}, 2)
if err != nil {
logWithTimestamp("on ackFromClient cb err:", err)
} else {
if c.BinaryMessage() {
logWithTimestamp("on ackFromClient cb:", result)
return
}
// [][]byte
res := result.([]interface{})
if len(result.([]interface{})) == 0 {
return
}
var outArg1 int
var outArg2 Desc
var outArg3 string
err := json.Unmarshal(res[0].([]byte), &outArg1)
if err != nil {
logWithTimestamp("on ackFromClient cb err:", err)
return
}
err = json.Unmarshal(res[1].([]byte), &outArg2)
if err != nil {
logWithTimestamp("on ackFromClient cb err:", err)
return
}
err = json.Unmarshal(res[2].([]byte), &outArg3)
if err != nil {
logWithTimestamp("on ackFromClient cb err:", err)
return
}
logWithTimestamp("on ackFromClient cb:", outArg1, outArg2.Text, outArg3)
}
}
func sendMessage(c *shadiaosocketio.Client, args ...interface{}) {
err := c.Emit("message", args...)
if err != nil {
panic(err)
}
}
func createClient() *shadiaosocketio.Client {
c, err := shadiaosocketio.Dial(
shadiaosocketio.GetUrl("localhost", 2233, false),
*websocket.GetDefaultWebsocketTransport())
if err != nil {
panic(err)
}
_ = c.On(shadiaosocketio.OnConnection, func(h *shadiaosocketio.Channel) {
logWithTimestamp("connected! id:", h.Id(), h.LocalAddr().Network()+" "+h.LocalAddr().String()+
" --> "+h.RemoteAddr().Network()+" "+h.RemoteAddr().String())
})
_ = c.On(shadiaosocketio.OnDisconnection, func(h *shadiaosocketio.Channel, reason websocket.CloseError) {
logWithTimestamp("disconnected, code:", reason.Code, "text:", reason.Text)
})
_ = c.On("message", func(h *shadiaosocketio.Channel, args Message) {
str, err := jsonparser.GetString([]byte(args.Channel), "chinese")
if err != nil {
logWithTimestamp("parse json err:", err)
return
}
logWithTimestamp("on message:", "id:", args.Id, "channel.chinese:", str)
})
_ = c.On("/admin", func(h *shadiaosocketio.Channel, args Message) {
logWithTimestamp("on admin message:", args)
})
_ = c.On("/ackFromServer", func(h *shadiaosocketio.Channel, arg1 string, arg2 int) (Message, int) {
logWithTimestamp("on ackFromServer:", arg1, arg2)
time.Sleep(2 * time.Second)
return Message{
Id: 3,
Channel: "client channel",
}, 3
})
return c
}
func main() {
c := createClient()
time.Sleep(1 * time.Second)
sendMessage(c, "client", &Message{
Id: 1,
Channel: "client channel",
}, 1)
time.Sleep(1 * time.Second)
sendAck(c)
select {}
}
func logWithTimestamp(args ...interface{}) {
timestamp := time.Now()
formattedTime := fmt.Sprintf("%02d:%02d:%02d.%03d", timestamp.Hour(), timestamp.Minute(), timestamp.Second(), timestamp.Nanosecond()/int(time.Millisecond))
fmt.Printf("%s [client] ", formattedTime)
fmt.Println(args...)
}