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Main.java
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Main.java
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/*
socket.io 클라이언트 사용하기 위한 의존성 설치
io.socket:socket.io-client:2.1.1
json 사용을 위한 의존성 설치
org.json:json:20240303
@author: https://github.com/bobhyun/TS-ANPR
Copyright (C) 2024. All rights reserved.
*/
import io.socket.client.IO;
import io.socket.client.Socket;
import io.socket.client.Ack;
import org.json.JSONException;
import org.json.JSONArray;
import org.json.JSONObject;
import java.net.URISyntaxException;
import java.util.concurrent.CompletableFuture;
import java.util.Scanner;
public class Main {
private static final String TSCAM = "http://localhost:10000";
private static boolean reconnectAlways = true;
private static final String ANPR_OPTIONS_STRING = "ms";
private static Socket socket;
public static void main(String[] args) throws URISyntaxException {
socket = IO.socket(TSCAM);
CompletableFuture<Void> connectionFuture = new CompletableFuture<>();
setupSocketListeners(connectionFuture);
socket.connect();
connectionFuture.thenCompose(v -> runMainLogic())
.exceptionally(e -> {
System.err.println("Error in main logic: " + e.getMessage());
return null;
})
.thenRun(() -> {
System.out.println("All operations completed. Disconnecting...");
System.exit(0);
});
}
private static void setupSocketListeners(CompletableFuture<Void> connectionFuture) {
socket.on(Socket.EVENT_CONNECT, args -> {
System.out.println("Connected to " + TSCAM);
connectionFuture.complete(null);
});
socket.on(Socket.EVENT_CONNECT_ERROR, args -> {
connectionFuture.completeExceptionally(new RuntimeException("Connection error"));
});
// @event 수신 핸들러 추가
socket.on("@event", args -> {
JSONObject data = (JSONObject) args[0];
printJson("@event=", data);
});
}
private static CompletableFuture<Void> runMainLogic() {
return discoverCameras()
.thenCompose(v -> getFirstCameraInfo())
.thenCompose(v -> requestSnapshot())
.thenCompose(v -> controlRelayOutput())
.thenCompose(v -> watchEvents())
.thenCompose(v -> getWatchList())
.thenCompose(v -> waitForEvents())
.thenCompose(v -> unwatchEvents())
.thenCompose(v -> disconnect());
}
private static CompletableFuture<Void> discoverCameras() {
return pause("1. 내부망에 연결된 카메라 탐색")
.thenCompose(v -> {
try {
JSONObject params = new JSONObject();
params.put("timeout", 2000);
params.put("device", "Ethernet");
return emit("discover", params);
} catch (JSONException e) {
return CompletableFuture.failedFuture(e);
}
})
.thenAccept(result -> printJson("@discover=", result))
.exceptionally(e -> {
System.err.println("Error in discoverCameras: " + e.getMessage());
return null;
});
}
private static CompletableFuture<Void> getFirstCameraInfo() {
return pause("2. 첫번째 카메라 정보 읽기 (카메라 로그인 필요)")
.thenCompose(v -> emit("info", getCamOptions()))
.thenAccept(result -> printJson("@info=", result));
}
// Implement other methods (requestSnapshot, controlRelayOutput, watchEvents, etc.) similarly
private static CompletableFuture<Void> requestSnapshot() {
return pause("3. 스냅샷 이미지 요청 (with 차번인식)")
.thenCompose(v -> {
try {
JSONObject requestData = new JSONObject(getCamOptions().toString());
requestData.put("anprOptions", "ms"); // anprOptionsString 사용
return emit("snapshot", requestData);
} catch (JSONException e) {
return CompletableFuture.failedFuture(e);
}
})
.thenAccept(result -> printJson("@snapshot=", result))
.exceptionally(e -> {
System.err.println("Error in requestSnapshot: " + e.getMessage());
return null;
});
}
private static CompletableFuture<Void> controlRelayOutput() {
return pause("4. 릴레이 출력")
.thenCompose(v -> {
try {
JSONObject requestData = new JSONObject(getCamOptions().toString());
requestData.put("portNo", 0); // 출력 포트번호는 0부터 시작
requestData.put("value", 1); // 1: ON, 0: OFF
return emit("relayOutput", requestData);
} catch (JSONException e) {
return CompletableFuture.failedFuture(e);
}
})
.thenAccept(result -> printJson("@relayOutput=", result))
.exceptionally(e -> {
System.err.println("Error in controlRelayOutput: " + e.getMessage());
return null;
});
}
private static CompletableFuture<Void> watchEvents() {
return pause("5. 이벤트 수신 대기 (이벤트는 카메라 이벤트 리스너를 통해 수신)")
.thenCompose(v -> {
try {
JSONArray camOptionsArray = new JSONArray();
camOptionsArray.put(new JSONObject(getCamOptions().toString())
.put("anprOptions", "ms")); // anprOptionsString 사용
return emit("watchEvents", camOptionsArray);
} catch (JSONException e) {
return CompletableFuture.failedFuture(e);
}
})
.thenAccept(result -> printJson("@watchEvents=", result))
.exceptionally(e -> {
System.err.println("Error in watchEvents: " + e.getMessage());
return null;
});
}
private static CompletableFuture<Void> getWatchList() {
return pause("6. 이벤트 수신 대기 목록")
.thenCompose(v -> emit("watchList", null))
.thenAccept(result -> printJson("@watchList=", result));
}
private static CompletableFuture<Void> waitForEvents() {
return pause("이벤트 수신 대기중... (카메라 Digital Input으로 입력을 넣으세요.)", true);
}
private static CompletableFuture<Void> unwatchEvents() {
return pause("7. 이벤트 수신 종료")
.thenCompose(v -> {
try {
JSONArray camOptionsArray = new JSONArray();
camOptionsArray.put(new JSONObject(getCamOptions().toString())
.put("anprOptions", "ms")); // anprOptionsString 사용
return emit("unwatchEvents", camOptionsArray);
} catch (JSONException e) {
return CompletableFuture.failedFuture(e);
}
})
.thenAccept(result -> printJson("@unwatchEvents=", result))
.exceptionally(e -> {
System.err.println("Error in unwatchEvents: " + e.getMessage());
return null;
});
}
private static CompletableFuture<Void> disconnect() {
return pause("8. 접속 종료")
.thenCompose(v -> {
CompletableFuture<Void> disconnectFuture = new CompletableFuture<>();
socket.on(Socket.EVENT_DISCONNECT, args -> {
System.out.println("Disconnected from " + TSCAM);
disconnectFuture.complete(null);
});
reconnectAlways = false;
if (socket != null) {
socket.disconnect();
}
return disconnectFuture;
});
}
private static CompletableFuture<Void> pause(String message) {
return pause(message, false);
}
private static CompletableFuture<Void> pause(String message, boolean isExit) {
System.out.println("---------------------------------------------------------------");
System.out.println(message);
if (isExit)
System.out.println("Press Enter to exit...");
else
System.out.println("Press Enter to continue...");
return CompletableFuture.runAsync(() -> new Scanner(System.in).nextLine());
}
private static CompletableFuture<JSONObject> emit(String event, Object data) {
CompletableFuture<JSONObject> future = new CompletableFuture<>();
socket.emit(event, data, (Ack) args -> {
if (args.length > 0 && args[0] instanceof JSONObject) {
future.complete((JSONObject) args[0]);
} else {
future.completeExceptionally(new RuntimeException("Invalid response"));
}
});
return future;
}
private static void printJson(String title, JSONObject data) {
try {
System.out.println(title + data.toString(4));
} catch (JSONException e) {
System.err.println("Error printing JSON: " + e.getMessage());
System.out.println(title + data.toString()); // 기본 toString() 메서드 사용
}
}
private static JSONObject getCamOptions() {
try {
return new JSONObject()
.put("href", "http://192.168.0.30/onvif/device_service")
.put("alias", "주차장입구")
.put("username", "admin")
.put("password", "admin")
.put("authType", "basic");
} catch (JSONException e) {
System.err.println("Error creating camera options: " + e.getMessage());
return new JSONObject(); // 빈 JSONObject 반환
}
}
}