private void send(ParamCode code, byte[] buffer)
{
if (Adapter != null && Adapter.IsConnected)
{
Adapter.Send((int)code, buffer);
}
}
public DBColumn GetColumn()
{
int index = ParamCode.IndexOf(' ');
string code = ParamCode.Substring(0, index < 0 ? ParamCode.Length : index);
DBColumn column = DBService.Schems.ParseColumn(code, Table.Schema);
return(column);
}
public DBForeignKey GetReference()
{
int index = ParamCode.IndexOf(' ');
string code = ParamCode.Substring(0, index < 0 ? ParamCode.Length : index);
DBColumn column = DBService.Schems.ParseColumn(code, Table.Schema);
//var result = new DBConstraintForeign() { Table = column.Table, Column = column, Value = column.Reference };
//if (index >= 0) result.Value = ParamCode.Substring(index + 1);
return(column?.GetForeign());
}
/// <summary>
/// 获取参数
/// </summary>
/// <param name="devHandle">设备句柄</param>
/// <param name="code">参数代码(见附录说明)</param>
/// <param name="paramValue">参数值</param>
/// <returns></returns>
public static ErrorCode GetParameters(IntPtr devHandle, ParamCode code, byte[] paramValue)
{
if (IntPtr.Zero == devHandle)
{
return(ErrorCode.InvalidHandle);
}
int size = paramValue.Length;
IntPtr intPtr = Marshal.AllocHGlobal(size);
int num = ZkfpPlus.ZKFPM_GetParameters(devHandle, (int)code, intPtr, ref size);
if (num == (int)ErrorCode.OK)
{
Marshal.Copy(intPtr, paramValue, 0, size);
}
Marshal.FreeHGlobal(intPtr);
return((ErrorCode)num);
}
/// <summary>
/// 设置参数
/// </summary>
/// <param name="devHandle">设备句柄</param>
/// <param name="code">参数代码(见附录说明)</param>
/// <param name="pramValue">参数值</param>
/// <returns></returns>
public static ErrorCode SetParameters(IntPtr devHandle, ParamCode code, byte[] pramValue)
{
if (devHandle == IntPtr.Zero)
{
return(ErrorCode.InvalidHandle);
}
if (pramValue == null)
{
return(ErrorCode.InvalidParam);
}
IntPtr intPtr = Marshal.AllocHGlobal(pramValue.Length);
Marshal.Copy(pramValue, 0, intPtr, pramValue.Length);
int result = ZkfpPlus.ZKFPM_SetParameters(devHandle, (int)code, intPtr, pramValue.Length);
Marshal.FreeHGlobal(intPtr);
return((ErrorCode)result);
}
private void onReceiveCompleted(object sender, ReceiveEventArgs args)
{
try
{
if (args.ByteLength > 0)
{
using (MemoryStream ms = new MemoryStream(args.ReceivedBytes))
{
ParamCode code = (ParamCode)PacketBase.ReadInt(ms);
byte[] buffer = null;
switch (code)
{
case ParamCode.VideoInfosTimePeriods:
updateVideoInfosTimePeriods(VideoDataInfoParam.Decode(ms));
break;
case ParamCode.DownloadBegin:
beginDownload(DownloadInfoParam.Decode(ms));
break;
case ParamCode.DownloadToLocal:
downloadToLocal(PacketBase.ReadString(ms));
break;
case ParamCode.VideoPacket:
getVideoStreamsPacket(VideoDataParam.Decode(ms));
break;
case ParamCode.ProbeTime:
setProbeTime(PacketBase.ReadTime(ms));
break;
case ParamCode.DownloadInfosAll:
feedbackDownloadInfosToClient();
break;
case ParamCode.DownloadControl:
var controlCode = (DownloadControlCode)PacketBase.ReadInt(ms);
onDownloadControl(controlCode, ms);
break;
case ParamCode.LocalDownloadPath:
onLocalDownloadPath(PacketBase.ReadString(ms));
break;
case ParamCode.LocalDownloadBegin:
onLocalDownloadStart(LocalDownloadInfoPacket.Decode(ms));
break;
}
if (buffer != null)
{
send((ParamCode)code, buffer);
}
}
}
}
catch (IOException ex)
{
sendMessage(MessageType.Warn, ex.Message, null);
}
catch (Exception ex)
{
sendMessage(MessageType.Error, ex.Message, null);
Console.WriteLine(ex.ToString());
}
}
void write(FileStream fs, ParamCode code, byte[] buffer)
{
PacketBase.WriteBytes(fs, buffer.Length + 4);
PacketBase.WriteBytes(fs, (int)code);
PacketBase.WriteBytes(fs, buffer);
}
