삽질하다 도저히 문제 파악이 안돼서 opcUaManager로 분리 테스트 중

opcUaManager/Controllers/SessionController.cs

@@ -0,0 +1,74 @@
+using Microsoft.AspNetCore.Mvc;
+using OpcUaManager.Models;
+using OpcUaManager.Services;
+
+namespace OpcUaManager.Controllers;
+
+[ApiController]
+[Route("api/session")]
+[Produces("application/json")]
+public class SessionController : ControllerBase
+{
+    private readonly OpcSessionService _sessionSvc;
+    private readonly ILogger<SessionController> _logger;
+
+    public SessionController(OpcSessionService sessionSvc, ILogger<SessionController> logger)
+    {
+        _sessionSvc = sessionSvc;
+        _logger     = logger;
+    }
+
+    /// <summary>
+    /// OPC UA 서버에 연결합니다.
+    /// </summary>
+    /// <remarks>
+    /// Sample request:
+    ///
+    ///     POST /api/session/connect
+    ///     {
+    ///         "serverIp": "192.168.0.20",
+    ///         "port": 4840,
+    ///         "userName": "mngr",
+    ///         "password": "mngr",
+    ///         "securityPolicy": "Basic256Sha256",
+    ///         "sessionTimeoutMs": 60000,
+    ///         "pfxPath": "pki/own/certs/OpcTestClient.pfx",
+    ///         "pfxPassword": "",
+    ///         "applicationName": "OpcTestClient",
+    ///         "applicationUri": "urn:dbsvr:OpcTestClient"
+    ///     }
+    /// </remarks>
+    [HttpPost("connect")]
+    [ProducesResponseType(typeof(ConnectResult), 200)]
+    [ProducesResponseType(typeof(ApiError), 400)]
+    public async Task<IActionResult> Connect([FromBody] ConnectRequest req)
+    {
+        if (string.IsNullOrWhiteSpace(req.ServerIp))
+            return BadRequest(new ApiError { Error = "ServerIp 는 필수입니다." });
+
+        _logger.LogInformation("연결 요청: {Ip}:{Port}", req.ServerIp, req.Port);
+        var result = await _sessionSvc.ConnectAsync(req);
+
+        return result.Success ? Ok(result)
+            : BadRequest(new ApiError { Error = "연결 실패", Detail = result.Message });
+    }
+
+    /// <summary>현재 OPC UA 세션을 종료합니다.</summary>
+    [HttpPost("disconnect")]
+    [ProducesResponseType(200)]
+    public async Task<IActionResult> Disconnect()
+    {
+        await _sessionSvc.DisconnectAsync();
+        return Ok(new { Message = "세션 종료 완료" });
+    }
+
+    /// <summary>현재 세션 상태를 반환합니다.</summary>
+    [HttpGet("status")]
+    [ProducesResponseType(200)]
+    public IActionResult Status()
+        => Ok(new
+        {
+            IsConnected = _sessionSvc.IsConnected,
+            SessionId   = _sessionSvc.SessionId
+        });
+}