/**
* Poll system time of PC
*
* @return system time of PC
*/
public long pollingTime() {
/**
* Send {@link RequestTimeMsg} to PC in a new thread. You cannot use network connection on the
* Main UI thread. Otherwise you will get {@link NetworkOnMainThreadException}
*/
SocketUtil.INSTANCE.sendMsgInNewThread(new RequestTimeMsg(), host_socket);
ResponseTimeMsg responseTimeMsg = this.receiveResponseTimeMsgInNewThread();
return responseTimeMsg.getHostPCTime();
}
/**
* Wait for and receive {@link ResponseTimeMsg} from PC.
*
* @return {@link ResponseTimeMsg} from PC
*/
public ResponseTimeMsg receiveResponseTimeMsgInNewThread() {
Message msg = SocketUtil.INSTANCE.receiveMsgInNewThread(host_socket);
assert msg.getType() == Message.RESPONSE_TIME_MSG;
return (ResponseTimeMsg) msg;
}
/** Receive {@link AuthMsg} from PC; Enable the time-polling functionality. */
public void receiveAuthMsg() {
SocketUtil.INSTANCE.receiveMsg(host_socket);
}