func ClientReader(user *User, c net.Conn) {
data := make([]byte, 4096) // 4096 byte slice (dynamic resize)
for {
n, err := c.Read(data)
if err != nil {
if DEBUG {
gs.Log("Fail Stream read, err : ", err)
}
break
}
// header - body format (header + body in single line)
messageType := gs_protocol.Type(gs.ReadInt32(data[0:4]))
if DEBUG {
gs.Log("Decoding type : ", messageType)
}
rawData := data[4:n] // 4~ end of line <--if fail read rawData, need calculated body size data (field)
handler, ok := msgHandlerMapping[messageType]
if ok {
handler(user, rawData) // calling proper handler function
} else {
if DEBUG {
gs.Log("Fail no function defined for type", handler)
}
break
}
}
// fail read
user.exit <- struct{}{}
}
func main() {
client, err := net.Dial("tcp", "127.0.0.1:8000")
if err != nil {
fmt.Println(err)
return
}
defer client.Close()
data := make([]byte, 4096)
exit := make(chan struct{})
var userID int64
var method int
fmt.Println("=================================================================")
fmt.Println(" Input user ID (it must be a whole number greater than 0")
fmt.Println("=================================================================")
fmt.Print("userID : ")
fmt.Scanln(&userID)
ReqLogin(client, userID, data)
go func() {
for {
fmt.Println("=================================================================")
fmt.Println(" Input command number (1~5)")
fmt.Println("=================================================================")
fmt.Println("1. room list")
fmt.Println("2. room create")
fmt.Println("3. join")
fmt.Println("4. action1")
fmt.Println("5. quit")
fmt.Print("choose number: ")
fmt.Scanln(&method)
switch method {
case 1:
ReqRoomList(client, userID, data)
case 2:
ReqCreate(client, userID, data)
case 3:
var roomID int64
fmt.Print("input room id : ")
fmt.Scanln(&roomID)
ReqJoin(client, userID, data, roomID)
case 4:
ReqAction1(client, userID, data)
case 5:
ReqQuit(client, userID, data)
fmt.Println("program exit..bye")
exit <- struct{}{}
return
default:
continue
}
}
}()
go func() {
data := make([]byte, 4096)
for {
n, err := client.Read(data)
if err != nil {
gs.Log("Fail Stream read, err : ", err)
break
}
messageType := gs_protocol.Type(gs.ReadInt32(data[0:4]))
gs.Log("Decoding type : ", messageType)
rawData := data[4:n]
handler, ok := msgHandlerMapping[messageType]
if ok {
handler(rawData)
} else {
gs.Log("Fail no function defined for type", handler)
break
}
}
}()
<-exit
}