public Connection(string hostname, int tcpPort, ConnectionParameters parameters)
{
Setup(hostname, parameters.clone(), tcpPort);
}
internal override void Encode(Frame frame, ConnectionParameters parameters, bool isSequence)
{
base.Encode(frame, parameters, isSequence);
frame.SetNextByte(qpa);
}
public ASDU(ConnectionParameters parameters, CauseOfTransmission cot, bool isTest, bool isNegative, byte oa, int ca, bool isSequence)
: this(parameters, TypeID.M_SP_NA_1, cot, isTest, isNegative, oa, ca, isSequence)
{
this.hasTypeId = false;
}
public Connection(string hostname, ConnectionParameters parameters)
{
Setup(hostname, parameters.clone(), 2404);
}
internal override void Encode(Frame frame, ConnectionParameters parameters, bool isSequence)
{
base.Encode(frame, parameters, isSequence);
frame.AppendBytes(timestamp.GetEncodedValue());
}
internal StepCommand(ConnectionParameters parameters, byte[] msg, int startIndex) :
base(parameters, msg, startIndex)
{
}
/// <summary>
/// Create a new server using the provided connection parameters.
/// 使用给定参数创建一个server
/// </summary>
/// <param name="parameters">Connection parameters</param>
public Server(ConnectionParameters parameters)
{
this.parameters = parameters;
}
/// <summary>
/// Create a new server using default connection parameters
/// 使用默认参数创建一个server
/// </summary>
public Server()
{
this.parameters = new ConnectionParameters();
}
/// <summary>
/// 将ASDU内容编码入frame中。。
/// </summary>
/// <param name="frame"></param>
/// <param name="parameters"></param>
public void Encode(Frame frame, ConnectionParameters parameters)
{
//先编码类型标识
frame.SetNextByte((byte)typeId);
//然后就是可变结构限定词
frame.SetNextByte(vsq);
#region 送原因
byte cotByte = (byte)cot;
//测试标志
if (isTest)
{
cotByte = (byte)(cotByte | 0x80);
}
//确认标志
if (isNegative)
{
cotByte = (byte)(cotByte | 0x40);
}
frame.SetNextByte(cotByte);
//如果2字节传送原因的话，多编码一个“源发地址”进去
if (parameters.SizeOfCOT == 2)
{
frame.SetNextByte((byte)oa);
}
#endregion
#region ASDU公共地址
frame.SetNextByte((byte)(ca % 256));
if (parameters.SizeOfCA > 1)
{
frame.SetNextByte((byte)(ca / 256));
}
#endregion
//接下来编码内容
if (payload != null)
{
frame.AppendBytes(payload);
}
else
{
bool isFirst = true;
foreach (InformationObject io in informationObjects)
{
if (isFirst)
{
//第一条，必须编码地址进去
io.Encode(frame, parameters, false);
isFirst = false;
}
else
{
//后面的，根据是否为连续，决定是否编码地址
if (IsSquence)
{
io.Encode(frame, parameters, true);
}
else
{
io.Encode(frame, parameters, false);
}
}
}
}
}
