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|
package game
import (
"encoding/json"
"fmt"
"log"
"time"
"github.com/gorilla/websocket"
)
type playerClient struct {
hub *gameHub
conn *websocket.Conn
s2cMessages chan playerMessageS2C
playerID int
}
// Receives messages from the client and sends them to the hub.
func (c *playerClient) readPump() error {
defer func() {
log.Printf("closing player client")
c.hub.unregisterPlayer <- c
c.conn.Close()
}()
c.conn.SetReadLimit(maxMessageSize)
if err := c.conn.SetReadDeadline(time.Now().Add(pongWait)); err != nil {
return err
}
c.conn.SetPongHandler(func(string) error { return c.conn.SetReadDeadline(time.Now().Add(pongWait)) })
for {
var rawMessage map[string]json.RawMessage
if err := c.conn.ReadJSON(&rawMessage); err != nil {
return err
}
message, err := asPlayerMessageC2S(rawMessage)
if err != nil {
return err
}
c.hub.playerC2SMessages <- &playerMessageC2SWithClient{c, message}
}
}
// Receives messages from the hub and sends them to the client.
func (c *playerClient) writePump() error {
ticker := time.NewTicker(pingPeriod)
defer func() {
ticker.Stop()
c.conn.Close()
}()
for {
select {
case message, ok := <-c.s2cMessages:
if err := c.conn.SetWriteDeadline(time.Now().Add(writeWait)); err != nil {
return err
}
if !ok {
if err := c.conn.WriteMessage(websocket.CloseMessage, []byte{}); err != nil {
return err
}
return fmt.Errorf("closing player client")
}
err := c.conn.WriteJSON(message)
if err != nil {
return err
}
case <-ticker.C:
if err := c.conn.SetWriteDeadline(time.Now().Add(writeWait)); err != nil {
return err
}
if err := c.conn.WriteMessage(websocket.PingMessage, nil); err != nil {
return err
}
}
}
}
type watcherClient struct {
hub *gameHub
conn *websocket.Conn
s2cMessages chan watcherMessageS2C
}
// Receives messages from the client and sends them to the hub.
func (c *watcherClient) readPump() error {
c.conn.SetReadLimit(maxMessageSize)
if err := c.conn.SetReadDeadline(time.Now().Add(pongWait)); err != nil {
return err
}
c.conn.SetPongHandler(func(string) error { return c.conn.SetReadDeadline(time.Now().Add(pongWait)) })
return nil
}
// Receives messages from the hub and sends them to the client.
func (c *watcherClient) writePump() error {
ticker := time.NewTicker(pingPeriod)
defer func() {
ticker.Stop()
c.conn.Close()
log.Printf("closing watcher client")
c.hub.unregisterWatcher <- c
}()
for {
select {
case message, ok := <-c.s2cMessages:
if err := c.conn.SetWriteDeadline(time.Now().Add(writeWait)); err != nil {
return err
}
if !ok {
if err := c.conn.WriteMessage(websocket.CloseMessage, []byte{}); err != nil {
return err
}
return fmt.Errorf("closing watcher client")
}
err := c.conn.WriteJSON(message)
if err != nil {
return err
}
case <-ticker.C:
if err := c.conn.SetWriteDeadline(time.Now().Add(writeWait)); err != nil {
return err
}
if err := c.conn.WriteMessage(websocket.PingMessage, nil); err != nil {
return err
}
}
}
}
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