added api methods

SoftBeckhoff/Controllers/SoftBeckhoffController.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
+
+namespace SoftBeckhoff.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class SoftBeckhoffController : ControllerBase
+    {
+        private readonly ILogger<SoftBeckhoffController> logger;
+        private readonly IPlcService plcService;
+
+        public SoftBeckhoffController(ILogger<SoftBeckhoffController> logger, IPlcService plcService)
+        {
+            this.logger = logger;
+            this.plcService = plcService;
+        }
+
+        [HttpGet("/symbols")]
+        public IEnumerable<object> GetSymbols()
+        {
+            return plcService.GetSymbols();
+        }
+
+        [HttpGet("/symbols/{name}")]
+        public object GetSymbol([FromRoute]string name)
+        {
+            return plcService.GetSymbol(name);
+        }
+
+        [HttpPut("/symbols/{name}")]
+        public void SetSymbol([FromRoute]string name, [FromBody]object value)
+        {
+            plcService.SetSymbol(name, value);
+        }
+
+        [HttpPost("/symbols")]
+        public void CreateSymbol([FromBody]object symbol)
+        {
+            plcService.CreateSymbol(symbol);
+        }
+    }
+}

SoftBeckhoff/Services/BeckhoffService.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Reactive;
 using System.Reactive.Disposables;
@@ -33,7 +34,27 @@ public void Dispose()
 			disposables?.Dispose();	
 		}
 
-		private Task<Unit> InitializeAsync()
+        public IEnumerable<object> GetSymbols()
+        {
+	        throw new NotImplementedException();
+        }
+
+        public object GetSymbol(string name)
+        {
+	        throw new NotImplementedException();
+        }
+
+        public void SetSymbol(string name, object value)
+        {
+	        throw new NotImplementedException();
+        }
+
+        public void CreateSymbol(object symbol)
+        {
+	        throw new NotImplementedException();
+        }
+
+        private Task<Unit> InitializeAsync()
 		{
 			logger.LogInformation("Initializing Beckhoff server...");
 			server = new BeckhoffServer(logger);

SoftBeckhoff/Services/IPlcService.cs

@@ -1,6 +1,10 @@
 using System;
+using System.Collections.Generic;
 
 public interface IPlcService : IDisposable
 {
-
+    IEnumerable<object> GetSymbols();
+    object GetSymbol(string name);
+    void SetSymbol(string name, object value);
+    void CreateSymbol(object symbol);
 }