init

18045010223

2025-07-07 0d3a683a0c97154b1f2e6657398664537e4e3e82

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
package org.yzh.web.endpoint;
 
import io.github.yezhihao.netmc.core.HandlerInterceptor;
import io.github.yezhihao.netmc.session.Session;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.yzh.protocol.basics.JTMessage;
import org.yzh.protocol.commons.JT808;
import org.yzh.protocol.t808.T0001;
import org.yzh.protocol.t808.T0200;
import org.yzh.web.model.entity.DeviceDO;
import org.yzh.web.model.enums.SessionKey;
import org.yzh.web.model.vo.T0200Ext;
 
@Slf4j
@Component
public class JTHandlerInterceptor implements HandlerInterceptor<JTMessage> {
 
    /** 未找到对应的Handle */
    @Override
    public JTMessage notSupported(JTMessage request, Session session) {
        T0001 response = new T0001();
        response.copyBy(request);
        response.setMessageId(JT808.平台通用应答);
        response.setSerialNo(session.nextSerialNo());
 
        response.setResponseSerialNo(request.getSerialNo());
        response.setResponseMessageId(request.getMessageId());
        response.setResultCode(T0001.NotSupport);
 
        log.info("{}\n<<<<-未识别的消息{}\n>>>>-{}", session, request, response);
        return response;
    }
 
 
    /** 调用之后，返回值为void的 */
    @Override
    public JTMessage successful(JTMessage request, Session session) {
        T0001 response = new T0001();
        response.copyBy(request);
        response.setMessageId(JT808.平台通用应答);
        response.setSerialNo(session.nextSerialNo());
 
        response.setResponseSerialNo(request.getSerialNo());
        response.setResponseMessageId(request.getMessageId());
        response.setResultCode(T0001.Success);
 
//        log.info("{}\n<<<<-{}\n>>>>-{}", session, request, response);
        return response;
    }
 
    /** 调用之后抛出异常的 */
    @Override
    public JTMessage exceptional(JTMessage request, Session session, Throwable e) {
        T0001 response = new T0001();
        response.copyBy(request);
        response.setMessageId(JT808.平台通用应答);
        response.setSerialNo(session.nextSerialNo());
 
        response.setResponseSerialNo(request.getSerialNo());
        response.setResponseMessageId(request.getMessageId());
        response.setResultCode(T0001.Failure);
 
        log.warn(session + "\n<<<<-" + request + "\n>>>>-" + response + '\n', e);
        return response;
    }
 
    /** 调用之前 */
    @Override
    public boolean beforeHandle(JTMessage request, Session session) {
        int messageId = request.getMessageId();
        if (messageId == JT808.终端注册 || messageId == JT808.终端鉴权)
            return true;
        if (!session.isRegistered()) {
            log.warn("{}未注册的设备<<<<-{}", session, request);
//            return false;//忽略该消息
        }
 
        DeviceDO device = session.getAttribute(SessionKey.Device);
        if (messageId == JT808.位置信息汇报) {
            T0200 t0200 = (T0200) request;
            if (t0200.getDeviceTime() == null) {
                return false;//忽略没有时间的消息
            }
            request.setExtData(new T0200Ext(t0200));
            return true;
        }
        return true;
    }
 
    /** 调用之后 */
    @Override
    public void afterHandle(JTMessage request, JTMessage response, Session session) {
        if (response != null) {
            response.copyBy(request);
            response.setSerialNo(session.nextSerialNo());
 
            if (response.getMessageId() == 0) {
                response.setMessageId(response.reflectMessageId());
            }
        }
//        log.info("{}\n<<<<-{}\n>>>>-{}", session, request, response);
    }
}