yanic/websocketserver/client.go
2016-02-25 21:06:37 +01:00

70 lines
1.1 KiB
Go

package websocketserver
import (
"fmt"
"golang.org/x/net/websocket"
)
const channelBufSize = 100
var maxID = 0
//Client struct
type Client struct {
id int
ws *websocket.Conn
server *Server
ch chan *struct{}
doneCh chan bool
}
//NewClient creates a new Client
func NewClient(ws *websocket.Conn, server *Server) *Client {
if ws == nil {
panic("ws cannot be nil")
}
if server == nil {
panic("server cannot be nil")
}
maxID++
ch := make(chan *struct{}, channelBufSize)
doneCh := make(chan bool)
return &Client{maxID, ws, server, ch, doneCh}
}
//GetConnection the websocket connection of a listen client
func (c *Client) GetConnection() *websocket.Conn {
return c.ws
}
//Write send the msg informations to the clients
func (c *Client) Write(msg *struct{}) {
select {
case c.ch <- msg:
default:
c.server.Del(c)
err := fmt.Errorf("Client %d is disconnected.", c.id)
c.server.Err(err)
}
}
// Listen Write and Read request via chanel
func (c *Client) Listen() {
c.listen()
}
// listen for new msg informations
func (c *Client) listen() {
for {
select {
case msg := <-c.ch:
websocket.JSON.Send(c.ws, msg)
}
}
}