Merge branch 'feature/add-network-switch-poe-interfaces' into feature/web-api-updates

Author: ndorin

src/PepperDash.Essentials.Core/DeviceTypeInterfaces/INetworkSwitchControl.cs

@@ -0,0 +1,122 @@
+using System;
+
+namespace PepperDash.Essentials.Core.DeviceTypeInterfaces
+{
+    /// <summary>
+    /// Interface for network switches that support VLAN assignment on individual ports.
+    /// </summary>
+    public interface INetworkSwitchVlanManager
+    {
+        /// <summary>
+        /// Returns the current access VLAN ID configured on the port.
+        /// Return -1 when the value is unavailable (e.g. the switch has not been polled yet
+        /// or the implementation does not support VLAN queries).
+        /// </summary>
+        /// <param name="port">Switch port identifier</param>
+        /// <returns>VLAN ID or -1 when unavailable</returns>
+        int GetPortCurrentVlan(string port);
+
+        /// <summary>
+        /// Changes the access VLAN of a single switch port.
+        /// The implementation is responsible for entering/exiting privileged/config mode.
+        /// </summary>
+        /// <param name="port">Switch port identifier (e.g. "1/0/3" for Netgear, "gi1/0/3" for Cisco)</param>
+        /// <param name="vlanId">Target VLAN ID (1-4093)</param>
+        void SetPortVlan(string port, uint vlanId);
+    }
+
+    /// <summary>
+    /// Interface for network switches that support Power over Ethernet (PoE) control on individual ports.
+    /// </summary>
+    public interface INetworkSwitchPoeManager
+    {
+        /// <summary>
+        /// Enables or disables PoE power delivery on a single switch port.
+        /// The implementation is responsible for entering/exiting privileged/config mode.
+        /// </summary>
+        /// <param name="port">Switch port identifier</param>
+        /// <param name="enabled">True to enable PoE; false to disable PoE</param>
+        void SetPortPoeState(string port, bool enabled);
+    }
+
+    /// <summary>
+    /// Standardized interface for network switch devices that support per-port PoE control
+    /// and VLAN assignment.
+    /// </summary>
+    public interface INetworkSwitchPoeVlanManager : INetworkSwitchVlanManager, INetworkSwitchPoeManager
+    {
+        /// <summary>
+        /// Event that is raised when the state of a switch port changes, such as a VLAN change or PoE state change.
+        /// </summary>
+        event EventHandler<NetworkSwitchPortEventArgs> PortStateChanged;
+
+    }
+
+    /// <summary>
+    /// Event arguments for port state changes on a network switch, such as VLAN changes or PoE state changes.
+    /// </summary>
+    public class NetworkSwitchPortEventArgs : EventArgs
+    {
+        /// <summary>
+        /// The identifier of the port that changed state (e.g. "1/0/3" for Netgear, "gi1/0/3" for Cisco).
+        /// </summary>
+        public string Port { get; private set; }
+        
+        /// <summary>
+        /// The type of event that occurred on the port (e.g. VLAN change, PoE enabled/disabled).
+        /// </summary>
+        public NetworkSwitchPortEventType EventType { get; private set; }
+
+        /// <summary>
+        /// Constructor for NetworkSwitchPortEventArgs
+        /// </summary>
+        /// <param name="port">The identifier of the port that changed state</param>
+        /// <param name="eventType">The type of event that occurred on the port</param>
+        public NetworkSwitchPortEventArgs(string port, NetworkSwitchPortEventType eventType)
+        {
+            Port = port;
+            EventType = eventType;
+        }
+    }
+
+    /// <summary>
+    /// Event arguments for port state changes on a network switch, such as VLAN changes or PoE state changes.
+    /// </summary>
+    public enum NetworkSwitchPortEventType
+    {
+        /// <summary>
+        /// Indicates that the type of event is unknown or cannot be determined.
+        /// </summary>
+        Unknown,
+
+        /// <summary>
+        /// Indicates that a VLAN change is in progress on the port, either through a call to SetPortVlan or an external change detected by polling.
+        /// </summary>
+        VlanChangeInProgress,
+
+        /// <summary>
+        /// Indicates that the access VLAN on a port has changed, either through a successful call to SetPortVlan
+        /// </summary>
+        VlanChanged,
+
+        /// <summary>
+        /// Indicates that PoE is being disabled on the port, either through a call to SetPortPoeState or an external change detected by polling.
+        /// </summary>
+        PoeDisableInProgress,
+
+        /// <summary>
+        /// Indicates that the PoE state on a port has changed, either through a successful call to SetPortPoeState
+        /// </summary>
+        PoEDisabled,
+
+        /// <summary> 
+        /// Indicates that PoE is being enabled on the port, either through a call to SetPortPoeState or an external change detected by polling. 
+        /// </summary>
+        PoeEnableInProgress,
+
+        /// <summary>
+        /// Indicates that the PoE state on a port has changed, either through a successful call to SetPortPoeState
+        /// </summary>
+        PoEEnabled
+    }
+}