/// <summary>
/// Выполнить обработку поступившего пакета
/// </summary>
/// <param name="packet">Пакет, который необходимо обработать</param>
protected void ParsePassive(Packet packet)
{
bool blocked = false;
try
{
if (c_mutex.WaitOne(0, false))
{
blocked = true;
foreach (Parameter parameter in parameters)
{
int device = packet.Com_Packet[1] & 0x7F;
bool isFromDevice = ((packet.Com_Packet[1] & 0x80) > 0) ? true : false;
if (isFromDevice)
{
if (device == parameter.Device)
{
float value = float.NaN;
value = GetFromDsn(packet.Com_Packet, parameter.Device, parameter.Offset,
parameter.Size, parameter.IsLittleEndian);
SaveValue(parameter.Position, value);
}
}
}
}
}
finally
{
if (blocked) c_mutex.ReleaseMutex();
}
}
/// <summary>
/// Добавить пакет в статический список
/// </summary>
/// <param name="packet">Добавляемый пакет</param>
public void InsertPacketToStatic(Packet packet)
{
bool blocked = false;
try
{
if (s_mutex.WaitOne(100, false))
{
blocked = true;
packet.Role = Role.Master;
packet.Content = Content.Sensor;
static_list.Add(packet);
}
}
finally
{
if (blocked) s_mutex.ReleaseMutex();
}
}
private void Add_Click(object sender, EventArgs e)
{
InsertCommand ins = new InsertCommand();
ins.typeCRC = typeCRC;
ins.Text = "Добавление новой команды опроса";
if (ins.ShowDialog(this) == DialogResult.OK)
{
Packet p = new Packet();
p.Com_Packet = ins.ComPacket;
p.IsActived = ins.Actived;
p.PortType = ins.TypePort;
p.Interval = ins.Interval;
packets.Add(p);
InsertCommand(ins.Commanda, ins.Actived, string.Empty, p);
}
}
/// <summary>
/// Выполнить обработку поступившего пакета
/// </summary>
/// <param name="packet">Пакет, который необходимо обработать</param>
protected void Parse(Packet packet)
{
bool blocked = false;
try
{
if (c_mutex.WaitOne(0, false))
{
blocked = true;
if (packet.Role == Role.Slave && packet.Content == Content.Sensor)
{
foreach (Parameter parameter in parameters)
{
int device = packet.Com_Packet[1] & 0x7F;
if (device == parameter.Device)
{
float value = float.NaN;
value = GetFromDsn(packet.Com_Packet, parameter.Device, parameter.Offset,
parameter.Size, parameter.IsLittleEndian);
SaveValue(parameter.Position, value);
}
}
}
}
}
catch (Exception ex)
{
if (OnError != null)
{
OnError(this, new ErrorArgs(ex.Message + "Stock -> Parse", ErrorType.NotFatal));
}
}
finally
{
if (blocked) c_mutex.ReleaseMutex();
}
}
private void InsertCommand(string command, bool actived, string namecmd, Packet pack)
{
ListViewItem item = new ListViewItem();
item.Checked = actived;
ListViewItem.ListViewSubItem fl = new ListViewItem.ListViewSubItem(item, command.Substring(0, 2));
ListViewItem.ListViewSubItem ladd = new ListViewItem.ListViewSubItem(item, command.Substring(2, 2));
ListViewItem.ListViewSubItem lpak = new ListViewItem.ListViewSubItem(item, command.Substring(4, 2));
ListViewItem.ListViewSubItem cmd = new ListViewItem.ListViewSubItem(item, command.Substring(6, 2));
ListViewItem.ListViewSubItem adr = new ListViewItem.ListViewSubItem(item, command.Substring(8, 2));
ListViewItem.ListViewSubItem ldata = new ListViewItem.ListViewSubItem(item, command.Substring(10, 2));
ListViewItem.ListViewSubItem data = new ListViewItem.ListViewSubItem(item, string.Empty);
ListViewItem.ListViewSubItem status = new ListViewItem.ListViewSubItem(item, command.Substring(12, 2));
ListViewItem.ListViewSubItem crc = new ListViewItem.ListViewSubItem(item, command.Substring(14, 2));
string port_name = string.Empty;
if (pack.PortType == TypePort.Primary)
{
port_name = "Основной";
}
else
if (pack.PortType == TypePort.Secondary)
{
port_name = "Вспомогательный";
}
else
{
port_name = "Порт не определен";
}
ListViewItem.ListViewSubItem name = new ListViewItem.ListViewSubItem(item, port_name);
ListViewItem.ListViewSubItem inter = new ListViewItem.ListViewSubItem(item,
pack.Interval.TotalMilliseconds.ToString());
item.SubItems.Add(fl);
item.SubItems.Add(ladd);
item.SubItems.Add(lpak);
item.SubItems.Add(cmd);
item.SubItems.Add(adr);
item.SubItems.Add(ldata);
item.SubItems.Add(data);
item.SubItems.Add(status);
item.SubItems.Add(crc);
item.SubItems.Add(name);
item.SubItems.Add(inter);
listView1.Items.Add(item);
item.Tag = pack;
if (actived) item.Checked = true;
}
/// <summary>
/// Поступили данные по TCP
/// </summary>
/// <param name="packet">поступивший по Tcp пакет</param>
private void devTcpOld_OnPacket(string packet)
{
try
{
Packet pack = new Packet();
pack.Com_Packet = PacketTranslater.TranslateToUnigueFormatTcpPacket(packet, crc);
pack.Tcp_Packet = PacketTranslater.FromUnigueToTcp(pack.Com_Packet);
pack.Wait = false;
if (protocol.IsToDevice(pack.Tcp_Packet))
{
if (protocol.IsRead(pack.Tcp_Packet))
{
pack.Wait = true;
}
}
else
{
pack.Role = Role.Slave;
DisplayPacket[] packs = Display.Packets;
if (packs != null)
{
foreach (DisplayPacket _pack in packs)
{
int device = pack.Com_Packet[1] & 0x1F;
if (device == _pack.Device)
{
pack.PortType = _pack.TypePort;
break;
}
}
}
}
devTcpOld.Place.Insert(pack);
}
catch (Exception ex)
{
journal.Write(ex.Message + "Application -> devTcpOld_OnPacket", EventLogEntryType.Error);
}
}
/// <summary>
/// Удалить пакет из репозитария
/// </summary>
/// <param name="packet">Удаляемый пакет</param>
public void Remove(Packet packet)
{
if (mutex.TryEnterWriteLock(500))
{
try
{
packets.Remove(packet);
}
catch (Exception ex)
{
throw new Exception(ex.Message, ex);
}
finally
{
mutex.ExitWriteLock();
}
}
}
/// <summary>
/// Осуществляет разбор байтов на осмысленные пакеты
/// </summary>
private void TranslaterFunction()
{
bool blocked = false;
try
{
if (passive_mutex.WaitOne(100, false))
{
blocked = true;
while (output.Count > 0)
{
byte item = output[0];
switch (item)
{
case start_byte:
if (output.Count < (l_pak + 1))
{
return;
}
int size_of_packet = output[l_pak] + 1;
if (size_of_packet >= packet_min_size && size_of_packet <= packet_max_size)
{
if (output.Count < size_of_packet)
{
return;
}
if (calculator.Calculate(0, size_of_packet, output.ToArray()))
{
byte[] packet = new byte[size_of_packet];
output.CopyTo(0, packet, 0, size_of_packet);
output.RemoveRange(0, size_of_packet);
Packet pack = new Packet();
pack.Role = Role.Default;
pack.Content = Content.Default;
pack.Source = PacketSource.Default;
pack.Com_Packet = packet;
if (OnPacket != null)
{
OnPacket(this, new SerialEventArgs(pack));
}
}
else
{
output.RemoveAt(0);
Interlocked.Increment(ref c_lost_bytes);
}
}
else
{
output.RemoveAt(0);
Interlocked.Increment(ref c_lost_bytes);
}
break;
default:
output.RemoveAt(0);
Interlocked.Increment(ref c_lost_bytes);
break;
}
}
}
}
catch (Exception ex)
{
if (OnError != null)
{
OnError(this, new ErrorArgs(ex.Message + "Serial -> TranslaterFunction", ErrorType.NotFatal));
}
}
finally
{
if (blocked)
{
passive_mutex.ReleaseMutex();
}
}
}
/// <summary>
/// Ожидать ответ
/// </summary>
/// <param name="item">Отправленный пакет</param>
private void WaitAnswer(Packet item)
{
try
{
answerWaiter.Reset();
if (answerWaiter.WaitOne(answerTimeout, false)) // ожидаем ответ от устройства
{
// получен ответ от устройства
if (response != null)
{
Interlocked.Increment(ref c_received_packets);
Interlocked.Add(ref c_received_bytes, response.Length);
if (OnPacket != null)
{
Packet packet = new Packet();
packet.Com_Packet = response;
packet.Role = Role.Slave;
packet.Content = item.Content;
OnPacket(this, new SerialEventArgs(packet));
}
}
}
else
{
// ответ от устройства не получен
Interlocked.Increment(ref c_lost_packets); // количество не ответов
}
}
catch (Exception ex)
{
// ... не смогли считать данные из порта ...
response = null;
if (OnError != null)
{
OnError(this, new ErrorArgs(ex.Message + "Serial -> WaitAnswer", ErrorType.NotFatal));
}
}
}
/// <summary>
/// Метод, выполняющий обработку при получении данных из порта
/// </summary>
/// <param name="sender">Источник события</param>
/// <param name="e">Передаваемы данные</param>
private void DataReceived(object sender, SerialDataReceivedEventArgs e)
{
try
{
switch (e.EventType)
{
case SerialData.Chars:
if (app.Mode == ApplicationMode.Passive)
{
byte[] resp = new byte[port.BytesToRead];
int readed = port.Read(resp, 0, resp.Length);
if (state == State.Running)
{
PassiveWork(resp);
}
port.DiscardInBuffer();
port.DiscardOutBuffer();
}
else
{
response = GetResponse();
if (answerWaiter.WaitOne(0, false))
{
if (response != null)
{
Interlocked.Increment(ref c_received_packets);
Interlocked.Add(ref c_received_bytes, response.Length);
if (OnPacket != null)
{
Packet packet = new Packet();
packet.Com_Packet = response;
packet.Role = Role.Slave;
packet.Content = Content.Unknown;
OnPacket(this, new SerialEventArgs(packet));
}
}
}
else
answerWaiter.Set();
}
break;
case SerialData.Eof:
break;
default:
break;
}
}
catch (Exception ex)
{
if (OnError != null)
{
OnError(this, new ErrorArgs(ex.Message + "Serial -> DataReceived", ErrorType.NotFatal));
}
}
}
/// <summary>
/// Проверить нужли данный пакет отправлять в порт
/// </summary>
/// <param name="packet">Проверяемый пакет</param>
/// <returns>true - если данный пакет нужно отправить в порт, false - если не нужно отправлять пакет в порт</returns>
protected bool IsNeedToPort(Packet packet)
{
if (packet.Sended == false)
{
if (packet.PortType == t_port)
{
if (packet.Role == Role.Slave)
{
return true;
}
}
if (s_list.Length > 0)
{
foreach (Packet p in s_list)
{
if (p.PortType == t_port)
{
if (p.Com_Packet[1] == packet.Com_Packet[1])
{
return true;
}
}
}
}
else
return true;
}
return false;
}
protected Packet packet = null; // передаваемый пакет
#endregion Fields
#region Constructors
/// <summary>
/// инициализирует новый экземпляр класса
/// </summary>
/// <param name="pack">Пакет, для передачи</param>
public SerialEventArgs(Packet pack)
{
packet = pack;
}
/// <summary>
/// Удалить пакет из статического списка
/// </summary>
/// <param name="packet">Удаляемый пакет</param>
public void RemovePacketFromStatic(Packet packet)
{
bool blocked = false;
try
{
if (s_mutex.WaitOne(100, false))
{
blocked = true;
static_list.Remove(packet);
}
}
finally
{
if (blocked) s_mutex.ReleaseMutex();
}
}
/// <summary>
/// Загрузить команду опроса
/// </summary>
/// <param name="root">Узел в котором находятся параметры для загрузки</param>
protected void LoadPacket(XmlNode root)
{
if (root != null)
{
if (root.Name == staticCommandaName)
{
XmlNodeList childs = root.ChildNodes;
if (childs != null)
{
Packet packet = new Packet();
foreach (XmlNode child in childs)
{
switch (child.Name)
{
case com_packetName:
packet.Com_Packet = GetComByte(child.InnerText);
break;
case tcp_packetName:
packet.Tcp_Packet = child.InnerText;
break;
case waitName:
try
{
packet.Wait = Boolean.Parse(child.InnerText);
}
catch
{
packet.Wait = true;
}
break;
case activedName:
try
{
packet.IsActived = Boolean.Parse(child.InnerText);
}
catch
{
packet.IsActived = true;
}
break;
case contentName:
try
{
packet.Content = (Content)Enum.Parse(typeof(Content), child.InnerText);
}
catch
{
packet.Content = Content.Default;
}
break;
case roleName:
try
{
packet.Role = (Role)Enum.Parse(typeof(Role), child.InnerText);
}
catch
{
packet.Role = Role.Master;
}
break;
case packetSourceName:
try
{
packet.Source = (PacketSource)Enum.Parse(typeof(PacketSource), child.InnerText);
}
catch
{
packet.Source = PacketSource.Static;
}
break;
case "port_type":
try
{
packet.PortType = (TypePort)Enum.Parse(typeof(TypePort), child.InnerText);
}
catch { }
break;
case "interval":
try
{
packet.Interval = TimeSpan.Parse(child.InnerText);
}
catch { }
break;
}
}
InsertPacketToStatic(packet);
}
}
}
}
/// <summary>
/// Инициирует процедуру отправки пакетов на блоки отображения
/// </summary>
/// <param name="state">Не используется</param>
private void TimerCallback(object state)
{
bool blocked = false;
try
{
if (t_mutex.WaitOne(0, false))
{
blocked = true;
if (Interlocked.Read(ref counter) > 0)
{
Interlocked.Exchange(ref counter, 0);
DateTime now = DateTime.Now; // текущее время
// ...
if (app != null)
{
Float[] result = app.Converter.GetResults();
if (result != null)
{
DisplayPacket[] packs = Packets;
foreach (var packet in packs)
{
TimeSpan elapsed = now - packet.LastTime;
if (elapsed >= packet.Period)
{
packet.LastTime = now;
byte[] com = GetComPacket(packet, result);
if (com != null)
{
Packet pack = new Packet();
pack.ToPort = packet.ToPort;
pack.IsActived = packet.IsActived;
pack.Role = Role.Slave;
pack.Content = Content.Unknown;
pack.Wait = false;
pack.Com_Packet = com;
pack.PortType = packet.TypePort;
packet.Place.Clear();
packet.Place.Insert(pack);
}
}
}
if (OnComplete != null)
{
OnComplete(this, null);
}
}
}
}
else
return;
}
}
catch (Exception ex)
{
if (OnError != null)
{
OnError(this, new ErrorArgs(ex.Message + "DisplayUnit ->TimerCallback", ErrorType.NotFatal));
}
}
finally
{
if (blocked) t_mutex.ReleaseMutex();
}
}
/// <summary>
/// Обработать пакет
/// </summary>
/// <param name="packet">Пакет для обработки</param>
private void Write(Packet packet)
{
try
{
port.DiscardInBuffer(); // выполняем очистку
port.DiscardOutBuffer(); // входного и выходного буфера
port.Write(packet.Com_Packet, 0, packet.Com_Packet.Length); // записываем пакет в порт
if (OnPacket != null) OnPacket(this, new SerialEventArgs(packet)); // передаем пакет наружу
Interlocked.Increment(ref c_send_packets); // увеличиваем соответствующие
Interlocked.Add(ref c_send_bytes, packet.Com_Packet.Length); // счетчики
if (packet.Wait) WaitAnswer(packet); // если необходимо, ожидаем ответ на пакет
if (WaitTimeout >= 10)
{
Thread.Sleep(WaitTimeout);
}
}
catch
{
// ... предпологается что не смогли записать в порт пакет ...
if (OnPortFail != null)
{
OnPortFail(this, new EventArgs());
}
return;
}
}
/// <summary>
/// Осуществляет разбор байтов на осмысленные пакеты
/// </summary>
private void TranslaterFunction()
{
bool blocked = false;
try
{
if (passive_mutex.WaitOne(100, false))
{
blocked = true;
while (output.Count > 0)
{
byte item = output[0];
switch (item)
{
case start_byte:
if (output.Count < (l_pak + 1)) return;
int size_of_packet = output[l_pak] + 1;
if (size_of_packet >= packet_min_size && size_of_packet <= packet_max_size)
{
if (output.Count < size_of_packet) return;
if (calculator.Calculate(0, size_of_packet, output.ToArray()))
{
byte[] packet = new byte[size_of_packet];
output.CopyTo(0, packet, 0, size_of_packet);
output.RemoveRange(0, size_of_packet);
Packet pack = new Packet();
pack.Role = Role.Default;
pack.Content = Content.Default;
pack.Source = PacketSource.Default;
pack.Com_Packet = packet;
if (OnPacket != null)
{
OnPacket(this, new SerialEventArgs(pack));
}
}
else
{
output.RemoveAt(0);
Interlocked.Increment(ref c_lost_bytes);
}
}
else
{
output.RemoveAt(0);
Interlocked.Increment(ref c_lost_bytes);
}
break;
default:
output.RemoveAt(0);
Interlocked.Increment(ref c_lost_bytes);
break;
}
}
}
}
catch (Exception ex)
{
if (OnError != null)
{
OnError(this, new ErrorArgs(ex.Message + "Serial -> TranslaterFunction", ErrorType.NotFatal));
}
}
finally
{
if (blocked) passive_mutex.ReleaseMutex();
}
}
/// <summary>
/// Отправить пакет в порт
/// </summary>
/// <param name="packet">Пакет для отправки в COM порт. Версия TCP протокола обмена</param>
public void ToCOM(string packet)
{
try
{
Packet pack = new Packet();
pack.Com_Packet = PacketTranslater.TranslateToUnigueFormatTcpPacket(packet, app.TypeCRC);
pack.Tcp_Packet = PacketTranslater.FromUnigueToTcp(pack.Com_Packet);
pack.Wait = false;
if (app.IProtocol.IsToDevice(pack.Tcp_Packet))
{
if (app.IProtocol.IsRead(pack.Tcp_Packet))
{
pack.Wait = true;
}
}
place.Insert(pack);
}
catch { }
}
