func NewServer(key int, h MsgHandler) (*Server, error) {
var handler MsgHandler
if h == nil {
handler = &DefaultHandler{}
} else {
handler = h
}
key = ftok("/home/thor", key)
q, err := sysv_mq.NewMessageQueue(&sysv_mq.QueueConfig{
Key: key,
MaxSize: 1024,
Mode: sysv_mq.IPC_CREAT | 0644,
})
if err != nil {
return nil, err
}
return &Server{
q: q,
h: handler,
}, nil
}
func main() {
log.SetFlags(0)
mq, err := sysv_mq.NewMessageQueue(&sysv_mq.QueueConfig{
Key: 1234,
MaxSize: 8 * 1024,
Mode: sysv_mq.IPC_CREAT | 0600,
})
if err != nil {
log.Fatalln(err)
}
defer mq.Close()
defer mq.Destroy()
for {
msg, typ, err := mq.ReceiveBytes(0, 0)
if err != nil {
log.Fatalln(err)
}
log.Println("received", typ, string(msg))
}
}
func main() {
log.SetFlags(0)
if len(os.Args) < 2 {
log.Fatalln("expected mode")
}
mq, err := sysv_mq.NewMessageQueue(&sysv_mq.QueueConfig{
Key: 1001,
MaxSize: 8 * 1024,
Mode: sysv_mq.IPC_CREAT | 0600,
})
if err != nil {
log.Fatalln(err)
}
defer mq.Close()
switch os.Args[1] {
case "server":
server(mq)
case "client":
client(mq)
}
}