package com.ruoyi.web.integration.dahua;
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import com.sun.jna.Memory;
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import com.sun.jna.Native;
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import java.nio.charset.StandardCharsets;
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/**
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* 仅用于联调阶段验证 NetSDK 原生库及设备登录,不执行任何设备写操作。
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*/
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public final class DahuaLoginProbe {
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private DahuaLoginProbe() {
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}
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public static void main(String[] args) {
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if (args.length != 4) {
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throw new IllegalArgumentException("参数:原生库路径、设备IP、端口、用户名");
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}
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String password = System.getenv("DAHUA_PROBE_PASSWORD");
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if (password == null || password.isEmpty()) {
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throw new IllegalArgumentException("缺少 DAHUA_PROBE_PASSWORD");
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}
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DahuaNetSdk sdk = Native.load(args[0], DahuaNetSdk.class);
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if (!sdk.CLIENT_Init(null, null)) {
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throw new IllegalStateException("CLIENT_Init failed: " + formatError(sdk.CLIENT_GetLastError()));
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}
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try {
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sdk.CLIENT_SetConnectTime(5000, 1);
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Memory input = memory(DahuaSdkLayout.LOGIN_INPUT_SIZE);
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input.setInt(0, DahuaSdkLayout.LOGIN_INPUT_SIZE);
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writeFixed(input, 4, 64, args[1]);
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input.setInt(68, Integer.parseInt(args[2]));
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writeFixed(input, 72, 64, args[3]);
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writeFixed(input, 136, 64, password);
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Memory output = memory(DahuaSdkLayout.LOGIN_OUTPUT_SIZE);
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output.setInt(0, DahuaSdkLayout.LOGIN_OUTPUT_SIZE);
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long loginHandle = sdk.CLIENT_LoginWithHighLevelSecurity(input, output);
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int loginError = output.getInt(DahuaSdkLayout.LOGIN_OUTPUT_ERROR_OFFSET);
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System.out.println("loginInputSize=" + DahuaSdkLayout.LOGIN_INPUT_SIZE);
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System.out.println("loginHandleValid=" + (loginHandle != 0));
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System.out.println("loginError=" + loginError);
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System.out.println("sdkError=" + formatError(sdk.CLIENT_GetLastError()));
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if (loginHandle != 0) {
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System.out.println("logoutSuccess=" + sdk.CLIENT_Logout(loginHandle));
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}
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} finally {
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sdk.CLIENT_Cleanup();
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}
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}
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private static Memory memory(long size) {
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Memory memory = new Memory(size);
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memory.clear();
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return memory;
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}
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private static void writeFixed(Memory memory, long offset, int capacity, String value) {
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byte[] bytes = value.getBytes(StandardCharsets.UTF_8);
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if (bytes.length >= capacity) {
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throw new IllegalArgumentException("字段长度超限");
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}
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memory.write(offset, bytes, 0, bytes.length);
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}
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private static String formatError(int error) {
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return String.format("0x%08X", error);
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}
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}
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