feat(sdk): 添加通用API调用方法

ruoyi-modules/Sis/src/main/java/org/dromara/sis/sdk/hik/service/CamearService.java

@@ -1,5 +1,7 @@
 package org.dromara.sis.sdk.hik.service;
 
+import com.sun.jna.Memory;
+import com.sun.jna.Pointer;
 import com.sun.jna.ptr.IntByReference;
 import lombok.extern.slf4j.Slf4j;
 import org.dromara.sis.sdk.hik.HCNetSDK;
@@ -18,7 +20,7 @@ public class CamearService extends SdkBaseServer {
     /**
      * 获取设备通道信息
      *
-     * @return
+     * @return DeviceInfo
      */
     public static DeviceInfo getDeviceChannelInfo(int lUserID) {
         HCNetSDK.NET_DVR_IPPARACFG_V40 lpOutBuffer = new HCNetSDK.NET_DVR_IPPARACFG_V40();
@@ -77,4 +79,78 @@ public class CamearService extends SdkBaseServer {
         return deviceInfo;
     }
 
+    public static void isAPI(int lUserID, String url) {
+        // 输入参数
+        HCNetSDK.NET_DVR_XML_CONFIG_INPUT strInput = new HCNetSDK.NET_DVR_XML_CONFIG_INPUT();
+        strInput.dwSize = strInput.size(); // 初始化结构体内存
+
+        // 2. 构造URL - 必须包含 \r\n 结束符
+//        String url = "GET /ISAPI/Intelligent/capabilities\r\n";
+        byte[] urlBytes = url.getBytes();
+        Memory urlMemory = new Memory(urlBytes.length + 1);  // +1 for null terminator
+        urlMemory.write(0, urlBytes, 0, urlBytes.length);
+        urlMemory.setByte(urlBytes.length, (byte) 0);  // 添加NUL终止符
+
+        strInput.lpRequestUrl = urlMemory;
+        strInput.dwRequestUrlLen = urlBytes.length;  // 不包括NUL终止符
+
+        // 3. 输入缓冲区设为空指针
+        strInput.lpInBuffer = Pointer.NULL;
+        strInput.dwInBufferSize = 0;
+
+
+        // 输出参数
+        HCNetSDK.NET_DVR_XML_CONFIG_OUTPUT strOutput = new HCNetSDK.NET_DVR_XML_CONFIG_OUTPUT();
+        strOutput.dwSize = strOutput.size();
+
+        // 5. 分配输出缓冲区 (8KB)
+        int outBufSize = 8 * 1024;
+        Memory outBuffer = new Memory(outBufSize);
+        outBuffer.clear();  // 清零缓冲区
+
+        // 6. 分配状态缓冲区 (1KB)
+        int statusSize = 1024;
+        Memory statusBuffer = new Memory(statusSize);
+        statusBuffer.clear();  // 清零缓冲区
+
+        strOutput.lpOutBuffer = outBuffer;
+        strOutput.dwOutBufferSize = outBufSize;
+        strOutput.lpStatusBuffer = statusBuffer;
+        strOutput.dwStatusSize = statusSize;
+
+        // 7. 调用前写入结构体
+        strOutput.write();  // 将Java结构体写入本地内存
+        strOutput.write(); // 将Java结构体写入本地内存
+
+        // 调用SDK方法
+        boolean success = hcNetSDK.NET_DVR_STDXMLConfig(lUserID, strInput, strOutput);
+
+        if (!success) {
+            int errorCode = hcNetSDK.NET_DVR_GetLastError();
+            System.err.println("NET_DVR_STDXMLConfig failed, error code: " + errorCode);
+
+            // 打印状态信息帮助调试
+            if (strOutput.dwReturnedXMLSize > 0) {
+                String status = statusBuffer.getString(0);
+                System.err.println("Status: " + status);
+            }
+        } else {
+            System.out.println("NET_DVR_STDXMLConfig successfully!");
+
+            // 9. 读取前同步结构体字段
+            strOutput.read();  // 从本地内存读取更新后的结构体
+
+            // 检查实际返回的数据大小
+            int returnedSize = strOutput.dwReturnedXMLSize;
+            if (returnedSize > 0) {
+                // 使用正确的长度读取字符串
+                String xmlResponse = outBuffer.getString(0);
+                System.out.println("Response size: " + returnedSize);
+                System.out.println(xmlResponse);
+            } else {
+                System.out.println("No data returned");
+            }
+        }
+    }
+
 }