static void ThrowForHR(string action, HRESULT_UPnP hr, object result)
{
if (hr != HRESULT_UPnP.S_OK)
{
throw new COMException("Action " + action + " returns " + hr + " " + result, (int)hr);
}
}
/// <summary>
/// 現在設定されているポートマッピング情報を得る。
/// </summary>
/// <returns>ポートマッピング情報</returns>
public List <UPnPPortMapping> GetGenericPortMappingEntries()
{
object outArgs = null;
object result = null;
List <UPnPPortMapping> list = new List <UPnPPortMapping>(16);
for (int i = 0; ; i++)
{
HRESULT_UPnP hresult = service.InvokeAction("GetGenericPortMappingEntry", new object[] { i }, ref outArgs, out result);
if (hresult != HRESULT_UPnP.S_OK)
{
break;
}
object[] array = (object[])outArgs;
list.Add(new UPnPPortMapping
{
RemoteHost = (string)array[0],
ExternalPort = (ushort)array[1],
Protocol = (string)array[2],
InternalPort = (ushort)array[3],
InternalClient = IPAddress.Parse((string)array[4]),
Enabled = (bool)array[5],
PortMappingDescription = (string)array[6],
LeaseDuration = (uint)array[7],
});
}
return(list);
}
/// <summary>
/// グローバルIPアドレスを得る。
/// </summary>
/// <returns>IPアドレス</returns>
public System.Net.IPAddress GetExternalIPAddress()
{
object outArgs = null;
object result = null;
HRESULT_UPnP hresult = service.InvokeAction("GetExternalIPAddress", new object[] { }, ref outArgs, out result);
ThrowForHR("GetExternalIPAddress", hresult, result);
return(IPAddress.Parse((string)((object[])outArgs)[0]));
}
/// <summary>
/// ポートマッピングを削除する。
/// </summary>
/// <param name="remoteHost">追加時に指定した通信相手。</param>
/// <param name="externalPort">追加時に指定した外部ポート番号。</param>
/// <param name="protocol">追加時に指定されたプロトコル。</param>
public void DeletePortMapping(string remoteHost, ushort externalPort, string protocol)
{
if (string.IsNullOrEmpty(remoteHost))
{
remoteHost = "";
}
if (protocol != "TCP" && protocol != "UDP")
{
throw new ArgumentException("protocol must be \"TCP\" or \"UDP\"", protocol);
}
object outArgs = null;
object result = null;
HRESULT_UPnP hresult = service.InvokeAction("DeletePortMapping", new object[] { remoteHost, externalPort, protocol }, ref outArgs, out result);
ThrowForHR("DeletePortMapping", hresult, result);
}
/// <summary>
/// ポートマッピングを追加する。
/// </summary>
/// <param name="remoteHost">通信相手。通信先を限定する場合に指定。</param>
/// <param name="externalPort">グローバルポート番号。</param>
/// <param name="protocol">プロトコル名。"TCP" or "UDP"を指定。</param>
/// <param name="internalPort">内部クライアントのポート番号。</param>
/// <param name="internalClient">内部クライアントのIPアドレス。</param>
/// <param name="description">説明。任意。</param>
/// <param name="leaseDuration">リース期間(秒単位)。0を指定すると無期限</param>
public void AddPortMapping(string remoteHost, ushort externalPort, string protocol, ushort internalPort, IPAddress internalClient, bool enabled, string description, uint leaseDuration)
{
if (string.IsNullOrEmpty(remoteHost))
{
remoteHost = "";
}
if (string.IsNullOrEmpty(description))
{
description = "";
}
if (protocol != "TCP" && protocol != "UDP")
{
throw new ArgumentException("protocol must be \"TCP\" or \"UDP\"", protocol);
}
object outArgs = null;
object result = null;
HRESULT_UPnP hresult = service.InvokeAction("AddPortMapping",
new object[] { remoteHost, externalPort, protocol, internalPort, internalClient.ToString(), enabled, description, leaseDuration },
ref outArgs, out result);
ThrowForHR("AddPortMapping", hresult, result);
}
static void ThrowForHR(string action, HRESULT_UPnP hr, object result)
{
if (hr != HRESULT_UPnP.S_OK)
throw new COMException("Action " + action + " returns " + hr + " " + result, (int)hr);
}
