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fcpn-server.go
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fcpn-server.go
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package main
// Connect, subscribe on channel, publish into channel, read presence and history info.
import (
"bufio"
"encoding/json"
"fmt"
"log"
"os"
"github.com/centrifugal/centrifuge-go"
)
type testMessage struct {
Input string `json:"input"`
}
func main() {
url := "ws://localhost:8000/connection/websocket"
c := centrifuge.New(url, centrifuge.DefaultConfig())
defer c.Close()
err := c.Connect()
if err != nil {
log.Fatalln(err)
}
sub, err := c.NewSubscription("global")
if err != nil {
log.Fatalln(err)
}
err = sub.Subscribe()
if err != nil {
log.Fatalln(err)
}
history, err := sub.History()
if err != nil {
log.Fatalln(err)
}
log.Printf("%d messages in channel %s history", len(history), sub.Channel())
presence, err := sub.Presence()
if err != nil {
log.Fatalln(err)
}
log.Printf("%d clients in channel %s", len(presence), sub.Channel())
for {
reader := bufio.NewReader(os.Stdin)
fmt.Print("Enter message: ")
text, _ := reader.ReadString('\n')
data := testMessage{Input: text}
dataBytes, _ := json.Marshal(data)
err = sub.Publish(dataBytes)
if err != nil {
fmt.Println("failed to publish message")
} else {
fmt.Println("Successfully publish a message")
}
}
}