protected async void Do(Func <Task> task)
{
try
{
canExecute = false;
CanExecuteChanged?.Invoke(this, new EventArgs());
await task();
}
catch (Exception ex)
{
await CommonDialog.ShowErrorDialogAsync(ex);
}
finally
{
canExecute = true;
CanExecuteChanged?.Invoke(this, new EventArgs());
}
}
protected async void Do(Action action)
{
try
{
canExecute = false;
CanExecuteChanged?.Invoke(this, new EventArgs());
await Task.Run(() =>
{
action();
});
}
catch (Exception ex)
{
await CommonDialog.ShowErrorDialogAsync(ex);
}
finally
{
canExecute = true;
CanExecuteChanged?.Invoke(this, new EventArgs());
}
}
private async Task <bool> CheckAsync()
{
try
{
if (Rule.Name.Length == 0)
{
T("名称为空");
}
if (Rule.Name.Length > 10)
{
T("名称长度不可超过10");
}
if (Rule.LocalPort.Length == 0)
{
T("本地端口为空");
}
if (Rule.RemotePort.Length == 0)
{
T("远程端口为空");
}
if (Rule.LocalAddress.Length == 0)
{
T("本地地址为空");
}
ushort[] localPort = null;
ushort[] remotePort = null;
switch (Rule.Type)
{
case NetType.TCP:
case NetType.UDP:
try
{
localPort = GetPorts(Rule.LocalPort);
}
catch (FormatException ex)
{
T("本地端口" + ex.Message);
}
try
{
remotePort = GetPorts(Rule.RemotePort);
}
catch (FormatException ex)
{
T("远程端口" + ex.Message);
}
if (localPort.Length != remotePort.Length)
{
T("本地端口和远程端口数量不同");
}
break;
case NetType.HTTP:
case NetType.HTTPS:
case NetType.STCP:
case NetType.STCP_Visitor:
if (!ushort.TryParse(Rule.LocalAddress, out _))
{
T("本地端口有误");
}
break;
}
if (Rule.Type is NetType.STCP or NetType.STCP_Visitor && string.IsNullOrWhiteSpace(Rule.STCPKey))
{
T("STCP密钥为空");
}
if (Rule.Type is NetType.STCP_Visitor && string.IsNullOrWhiteSpace(Rule.STCPServerName))
{
T("STCP服务名为空");
}
//暂不考虑端口不对应
return(true);
}
catch (FormatException ex)
{
await CommonDialog.ShowErrorDialogAsync(ex.Message);
return(false);
}
}