/// <summary>
/// Передать команду ТУ подключенным клиентам
/// </summary>
public void PassCommand(Command cmd)
{
lock (cmdBuf)
{
if (cmd != null)
{
cmd.PrepareCmdData();
cmdBuf.Add(cmd);
}
}
}
/// <summary>
/// Обработать полученную команду
/// </summary>
private void ProcCommand(ClientInfo client, byte cmd, int cmdLen)
{
bool sendResp = true; // отправить ответ на команду
int respDataLen = 0; // длина данных ответа на команду
byte[] extraData = null; // дополнительные данные ответа
switch (cmd)
{
case 0x01: // проверка имени и пароля
int userNameLen = inBuf[3];
string userName = Encoding.Default.GetString(inBuf, 4, userNameLen);
string password = Encoding.Default.GetString(inBuf, 5 + userNameLen, inBuf[4 + userNameLen]);
bool pwdIsEmpty = string.IsNullOrEmpty(password);
int roleID;
bool checkOk = CheckUser(userName, password, out roleID);
if (client.Authenticated)
{
if (pwdIsEmpty)
{
string checkOkStr = checkOk ?
(Localization.UseRussian ? "успешно" : "success") :
(Localization.UseRussian ? "ошибка" : "error");
appLog.WriteAction(string.Format(Localization.UseRussian ?
"Получение роли пользователя {0}. Результат: {1}" : "Get user {0} role. Result: {1}",
userName, checkOkStr), Log.ActTypes.Action);
}
else
{
string checkOkStr = checkOk ?
(Localization.UseRussian ? "верно" : "passed") :
(Localization.UseRussian ? "неверно" : "failed");
appLog.WriteAction(string.Format(Localization.UseRussian ?
"Проверка имени и пароля пользователя {0}. Результат: {1}" :
"Check user {0} name and password. Result: {1}",
userName, checkOkStr), Log.ActTypes.Action);
}
}
else
{
if (checkOk && roleID != BaseValues.Roles.Disabled && !pwdIsEmpty)
{
client.Authenticated = true;
client.UserName = userName;
client.UserRoleID = roleID;
appLog.WriteAction(string.Format(Localization.UseRussian ?
"Пользователь {0} успешно аутентифицирован" :
"The user {0} is successfully authenticated",
userName), Log.ActTypes.Action);
}
else
{
client.ActivityDT = DateTime.MinValue; // для отключения клиента после отправки ответа
appLog.WriteAction(string.Format(Localization.UseRussian ?
"Неудачная попытка аутентификации пользователя {0}" :
"Unsuccessful attempt to authenticate the user {0}",
userName), Log.ActTypes.Action);
}
}
respDataLen = 1;
outBuf[3] = (byte)roleID;
break;
case 0x02: // запрос состояния сервера (ping)
respDataLen = 1;
outBuf[3] = mainLogic.ServerIsReady ? (byte)1 : (byte)0;
break;
case 0x03: // запись текущего среза
if (client.UserRoleID == BaseValues.Roles.App)
{
int cnlCnt = BitConverter.ToUInt16(inBuf, 3);
SrezTableLight.Srez srez = new SrezTableLight.Srez(DateTime.MinValue, cnlCnt);
for (int i = 0, j = 5; i < cnlCnt; i++, j += 14)
{
srez.CnlNums[i] = (int)BitConverter.ToUInt32(inBuf, j);
srez.CnlData[i] = new SrezTableLight.CnlData(
BitConverter.ToDouble(inBuf, j + 4),
BitConverter.ToUInt16(inBuf, j + 12));
}
outBuf[3] = mainLogic.ProcCurData(srez) ? (byte)1 : (byte)0;
}
else
{
outBuf[3] = 0;
}
respDataLen = 1;
break;
case 0x04: // запись архивного среза
if (client.UserRoleID == BaseValues.Roles.App)
{
DateTime dateTime = Arithmetic.DecodeDateTime(BitConverter.ToDouble(inBuf, 3));
int cnlCnt = BitConverter.ToUInt16(inBuf, 11);
SrezTableLight.Srez srez = new SrezTableLight.Srez(dateTime, cnlCnt);
for (int i = 0, j = 13; i < cnlCnt; i++, j += 14)
{
srez.CnlNums[i] = (int)BitConverter.ToUInt32(inBuf, j);
srez.CnlData[i] = new SrezTableLight.CnlData(
BitConverter.ToDouble(inBuf, j + 4),
BitConverter.ToUInt16(inBuf, j + 12));
}
outBuf[3] = mainLogic.ProcArcData(srez) ? (byte)1 : (byte)0;
}
else
{
outBuf[3] = 0;
}
respDataLen = 1;
break;
case 0x05: // запись события
if (client.UserRoleID == BaseValues.Roles.App)
{
EventTableLight.Event ev = new EventTableLight.Event();
ev.DateTime = Arithmetic.DecodeDateTime(BitConverter.ToDouble(inBuf, 3));
ev.ObjNum = BitConverter.ToUInt16(inBuf, 11);
ev.KPNum = BitConverter.ToUInt16(inBuf, 13);
ev.ParamID = BitConverter.ToUInt16(inBuf, 15);
ev.CnlNum = (int)BitConverter.ToUInt32(inBuf, 17);
ev.OldCnlVal = BitConverter.ToDouble(inBuf, 21);
ev.OldCnlStat = BitConverter.ToUInt16(inBuf, 29);
ev.NewCnlVal = BitConverter.ToDouble(inBuf, 31);
ev.NewCnlStat = BitConverter.ToUInt16(inBuf, 39);
ev.Checked = BitConverter.ToBoolean(inBuf, 41);
ev.UserID = BitConverter.ToUInt16(inBuf, 42);
int evDescrLen = inBuf[44];
int evDataLen = inBuf[45 + evDescrLen];
ev.Descr = Encoding.Default.GetString(inBuf, 45, evDescrLen);
ev.Data = Encoding.Default.GetString(inBuf, 46 + evDescrLen, evDataLen);
outBuf[3] = mainLogic.ProcEvent(ev) ? (byte)1 : (byte)0;
}
else
{
outBuf[3] = 0;
}
respDataLen = 1;
break;
case 0x06: // команда ТУ
bool cmdProcOk = false; // команда обработана успешно
if (client.UserRoleID == BaseValues.Roles.Admin ||
client.UserRoleID == BaseValues.Roles.Dispatcher || client.UserRoleID == BaseValues.Roles.App)
{
int cmdUserID = BitConverter.ToUInt16(inBuf, 3);
byte cmdTypeID = inBuf[5];
int ctrlCnlNum = BitConverter.ToUInt16(inBuf, 6);
MainLogic.CtrlCnl ctrlCnl = mainLogic.GetCtrlCnl(ctrlCnlNum);
string notFoundStr = ctrlCnl == null ? Localization.UseRussian ?
" (не найден)" : " (not found)" : "";
appLog.WriteAction(string.Format(Localization.UseRussian ?
"Команда ТУ: канал упр. = {0}{1}, ид. польз. = {2}" :
"Command: out channel = {0}{1}, user ID = {2}",
ctrlCnlNum, notFoundStr, cmdUserID), Log.ActTypes.Action);
if (ctrlCnl != null)
{
// создание команды ТУ
Command ctrlCmd = new Command(cmdTypeID);
ctrlCmd.CmdData = new byte[BitConverter.ToUInt16(inBuf, 8)];
Array.Copy(inBuf, 10, ctrlCmd.CmdData, 0, ctrlCmd.CmdData.Length);
if (cmdTypeID == BaseValues.CmdTypes.Standard || cmdTypeID == BaseValues.CmdTypes.Binary)
{
ctrlCmd.KPNum = (ushort)ctrlCnl.KPNum;
ctrlCmd.CmdNum = (ushort)ctrlCnl.CmdNum;
if (cmdTypeID == BaseValues.CmdTypes.Standard && ctrlCmd.CmdData.Length == 8)
ctrlCmd.CmdVal = BitConverter.ToDouble(ctrlCmd.CmdData, 0);
}
else if (cmdTypeID == BaseValues.CmdTypes.Request)
{
ctrlCmd.KPNum = BitConverter.ToUInt16(inBuf, 10);
}
// обработка команды ТУ
bool passToClients;
mainLogic.ProcCommand(ctrlCnl, ctrlCmd, cmdUserID, out passToClients);
// передача команды ТУ подключенным клиентам
if (passToClients)
{
ctrlCmd.PrepareCmdData();
foreach (ClientInfo cl in clients)
if (cl.UserRoleID == BaseValues.Roles.App)
cl.CmdList.Add(ctrlCmd);
}
else
{
appLog.WriteAction(Localization.UseRussian ?
"Команда ТУ отменена" : "Command is canceled", Log.ActTypes.Action);
}
cmdProcOk = true;
}
}
respDataLen = 1;
outBuf[3] = cmdProcOk ? (byte)1 : (byte)0;
break;
case 0x07: // запрос команды ТУ
if (client.UserRoleID == BaseValues.Roles.App && client.CmdList.Count > 0)
{
Command ctrlCmd = client.CmdList[0];
int cmdDataLen = ctrlCmd.CmdData == null ? 0 : ctrlCmd.CmdData.Length;
respDataLen = 7 + cmdDataLen;
outBuf[3] = (byte)(cmdDataLen % 256);
outBuf[4] = (byte)(cmdDataLen / 256);
outBuf[5] = (byte)ctrlCmd.CmdTypeID;
outBuf[6] = (byte)(ctrlCmd.KPNum % 256);
outBuf[7] = (byte)(ctrlCmd.KPNum / 256);
outBuf[8] = (byte)(ctrlCmd.CmdNum % 256);
outBuf[9] = (byte)(ctrlCmd.CmdNum / 256);
if (cmdDataLen > 0)
Array.Copy(ctrlCmd.CmdData, 0, outBuf, 10, cmdDataLen);
// удаление команды ТУ из списка команд клиента
client.CmdList.RemoveAt(0);
}
else
{
respDataLen = 2;
outBuf[3] = 0;
outBuf[4] = 0;
}
break;
case 0x08: // открытие и чтение из файла
int readCnt = 0;
bool readOk = false;
if (client.Authenticated)
{
client.CloseFile();
try { client.Dir = (Dirs)inBuf[3]; }
catch { client.Dir = Dirs.Cur; }
int fileNameLen = inBuf[4];
client.FileName = Encoding.Default.GetString(inBuf, 5, fileNameLen);
string fullFileName = GetFullFileName(client.Dir, client.FileName);
int count = BitConverter.ToUInt16(inBuf, 5 + fileNameLen);
if (settings.DetailedLog)
appLog.WriteAction(string.Format(Localization.UseRussian ?
"Открытие файла {0}" : "Opening file {0}", fullFileName), Log.ActTypes.Action);
try
{
if (File.Exists(fullFileName))
{
client.FileStream = new FileStream(fullFileName,
FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
readCnt = client.FileStream.Read(outBuf, 6, count);
readOk = true;
}
else
{
appLog.WriteAction(string.Format(Localization.UseRussian ?
"Файл {0} не найден." : "File {0} not found.",
client.FullFileNameInfo), Log.ActTypes.Error);
}
}
catch (Exception ex)
{
appLog.WriteAction(string.Format(Localization.UseRussian ?
"Ошибка при работе с файлом {0}: {1}" : "Error working with the file {0}: {1}",
client.FullFileNameInfo, ex.Message), Log.ActTypes.Exception);
}
finally
{
if (readCnt < count)
client.CloseFile();
}
}
respDataLen = 3 + readCnt;
outBuf[3] = readOk ? (byte)1 : (byte)0;
outBuf[4] = (byte)(readCnt % 256);
outBuf[5] = (byte)(readCnt / 256);
break;
case 0x09: // перемещение позиции чтения из файла
long pos = 0;
bool seekOk = false;
if (client.Authenticated && client.FileStream != null)
{
SeekOrigin origin;
try { origin = (SeekOrigin)inBuf[3]; }
catch { origin = SeekOrigin.Begin; }
long offset = BitConverter.ToUInt32(inBuf, 4);
try
{
pos = client.FileStream.Seek(offset, origin);
seekOk = true;
}
catch (Exception ex)
{
appLog.WriteAction("Ошибка при работе с файлом " + client.FullFileNameInfo +
": " + ex.Message, Log.ActTypes.Exception);
}
}
respDataLen = 5;
outBuf[3] = seekOk ? (byte)1 : (byte)0;
Array.Copy(BitConverter.GetBytes((uint)pos), 0, outBuf, 4, 4);
break;
case 0x0A: // чтение из файла
readCnt = 0;
if (client.Authenticated && client.FileStream != null)
{
int count = BitConverter.ToUInt16(inBuf, 3);
try
{
readCnt = client.FileStream.Read(outBuf, 5, count);
}
catch (Exception ex)
{
appLog.WriteAction(string.Format(Localization.UseRussian ?
"Ошибка при работе с файлом {0}: {1}" : "Error working with the file {0}: {1}",
client.FullFileNameInfo, ex.Message), Log.ActTypes.Exception);
}
finally
{
if (readCnt < count)
client.CloseFile();
}
}
respDataLen = 2 + readCnt;
outBuf[3] = (byte)(readCnt % 256);
outBuf[4] = (byte)(readCnt / 256);
break;
case 0x0B: // закрытие файла
if (client.Authenticated && client.FileStream != null)
{
client.CloseFile();
outBuf[3] = 1;
}
else
{
outBuf[3] = 0;
}
respDataLen = 1;
break;
case 0x0C: // запрос времени изменения файлов
int fileCnt = inBuf[3];
outBuf[3] = inBuf[3];
for (int i = 0, j = 4, k = 4; i < fileCnt; i++, k += 8)
{
Dirs dir;
try { dir = (Dirs)inBuf[j++]; }
catch { dir = Dirs.Cur; }
int fileNameLen = inBuf[j++];
string fileName = Encoding.Default.GetString(inBuf, j, fileNameLen);
string fullFileName = GetFullFileName(dir, fileName);
j += fileNameLen;
if (settings.DetailedLog)
appLog.WriteAction(string.Format(Localization.UseRussian ?
"Получение времени изменения файла {0}" :
"Obtaining the modification time of the file {0}", fullFileName), Log.ActTypes.Action);
double fileModTime;
try
{
fileModTime = File.Exists(fullFileName) ?
Arithmetic.EncodeDateTime(File.GetLastWriteTime(fullFileName)) : 0;
}
catch { fileModTime = 0; }
Array.Copy(BitConverter.GetBytes(fileModTime), 0, outBuf, k, 8);
}
respDataLen = 1 + 8 * fileCnt;
break;
case 0x0D: // запрос данных из таблицы среза
byte srezTypeNum = inBuf[3];
MainLogic.SrezTypes srezType;
DateTime srezDate;
if (srezTypeNum == 0x01)
{
srezType = MainLogic.SrezTypes.Cur;
srezDate = DateTime.MinValue;
}
else
{
srezType = srezTypeNum == 0x02 ? MainLogic.SrezTypes.Hour : MainLogic.SrezTypes.Min;
srezDate = new DateTime(inBuf[4] + 2000, inBuf[5], inBuf[6]);
}
int cnlNumCnt = BitConverter.ToUInt16(inBuf, 7);
int[] cnlNums = new int[cnlNumCnt];
for (int i = 0, j = 9; i < cnlNumCnt; i++, j += 4)
cnlNums[i] = (int)BitConverter.ToUInt32(inBuf, j);
if (settings.DetailedLog)
{
string srezTypeStr;
if (srezType == MainLogic.SrezTypes.Cur)
srezTypeStr = Localization.UseRussian ? "текущие" : "current";
else if (srezType == MainLogic.SrezTypes.Min)
srezTypeStr = Localization.UseRussian ? "минутные" : "minute";
else
srezTypeStr = Localization.UseRussian ? "часовые" : "hourly";
appLog.WriteAction(string.Format(Localization.UseRussian ?
"Запрос данных. Тип: {0}. Дата: {1}. Каналы: {2}" :
"Data request. Type: {0}. Date: {1}. Channels: {2}",
srezTypeStr, srezDate.ToString("d", Localization.Culture), string.Join(", ", cnlNums)),
Log.ActTypes.Action);
}
SrezTableLight srezTable = mainLogic.GetSrezTable(srezDate, srezType, cnlNums);
int srezCnt = srezTable == null ? 0 : srezTable.SrezList.Count;
outBuf[5] = (byte)(srezCnt % 256);
outBuf[6] = (byte)(srezCnt / 256);
extraData = new byte[srezCnt * (10 * cnlNumCnt + 8)];
for (int i = 0, j = 0; i < srezCnt; i++)
{
SrezTableLight.Srez srez = srezTable.SrezList.Values[i];
Array.Copy(BitConverter.GetBytes(Arithmetic.EncodeDateTime(srez.DateTime)), 0, extraData, j, 8);
j += 8;
for (int k = 0; k < cnlNumCnt; k++)
{
SrezTable.CnlData cnlData = srez.CnlData[k];
Array.Copy(BitConverter.GetBytes(cnlData.Val), 0, extraData, j, 8);
j += 8;
extraData[j++] = (byte)(cnlData.Stat % 256);
extraData[j++] = (byte)(cnlData.Stat / 256);
}
}
respDataLen = 2 + extraData.Length;
break;
case 0x0E: // квитирование события
if (client.Authenticated)
{
int evUserID = BitConverter.ToUInt16(inBuf, 3);
DateTime evDate = new DateTime(inBuf[5] + 2000, inBuf[6], inBuf[7]);
int evNum = BitConverter.ToUInt16(inBuf, 8);
outBuf[3] = mainLogic.CheckEvent(evDate, evNum, evUserID) ? (byte)1 : (byte)0;
}
else
{
outBuf[3] = 0;
}
respDataLen = 1;
break;
}
// передача ответа на команду
if (sendResp)
{
if (cmd == 0x0D)
{
int respLen = 5 + respDataLen;
Array.Copy(BitConverter.GetBytes((uint)respLen), 0, outBuf, 0, 4);
outBuf[4] = cmd;
client.NetStream.Write(outBuf, 0, 7);
}
else
{
int respLen = 3 + respDataLen;
Array.Copy(BitConverter.GetBytes((ushort)respLen), 0, outBuf, 0, 2);
outBuf[2] = cmd;
client.NetStream.Write(outBuf, 0, respLen);
}
if (extraData != null && extraData.Length > 0)
client.NetStream.Write(extraData, 0, extraData.Length);
}
}