شركة التطبيقات المتكاملة لتصميم النظم البرمجية الخاصة

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Public general use code classes and xml files that we've compiled and used over the years:

Transction support class of Next Generation Network'a (NGN's) business model.

   1:  namespace Ia.Ngn.Cl.Model.Business
   2:  {
   3:      ////////////////////////////////////////////////////////////////////////////
   4:   
   5:      /// <summary publish="true">
   6:      /// Transction support class of Next Generation Network'a (NGN's) business model.
   7:      /// </summary>
   8:      /// 
   9:      /// <remarks> 
  10:      /// Copyright © 2006-2017 Jasem Y. Al-Shamlan (info@ia.com.kw), Internet Applications - Kuwait. All Rights Reserved.
  11:      ///
  12:      /// This library is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
  13:      /// the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
  14:      ///
  15:      /// This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
  16:      /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
  17:      /// 
  18:      /// You should have received a copy of the GNU General Public License along with this library. If not, see http://www.gnu.org/licenses.
  19:      /// 
  20:      /// Copyright notice: This notice may not be removed or altered from any source distribution.
  21:      /// </remarks> 
  22:      public partial class Transction
  23:      {
  24:          /*
  25:          private static int currentItemId;
  26:          private static StringBuilder log = new StringBuilder(100000);
  27:  
  28:          /// <summary/>
  29:          public enum ProcessState
  30:          {
  31:              Initiated = 1, NoPendingTransaction = 2
  32:          }
  33:  
  34:          ////////////////////////////////////////////////////////////////////////////
  35:  
  36:          /// <summary>
  37:          ///
  38:          /// </summary>
  39:          public static int Inbox(Transaction.Recipient recipientId, Transaction.Priority priorityId, string message)
  40:          {
  41:              bool b;
  42:              int itemId;
  43:              Transaction newItem;
  44:  
  45:              newItem = new Transaction();
  46:  
  47:              newItem.Message = message;
  48:              newItem.RecipientId = (int)recipientId;
  49:              newItem.PriorityId = (int)priorityId;
  50:              newItem.RecipientId = (int)recipientId;
  51:              newItem.RecipientId = (int)recipientId;
  52:  
  53:              newItem.Created = newItem.Updated = DateTime.UtcNow.AddHours(3);
  54:  
  55:              b = Transaction.Create(newItem, out itemId);
  56:  
  57:              currentItemId = itemId;
  58:  
  59:              return itemId;
  60:          }
  61:  
  62:          ////////////////////////////////////////////////////////////////////////////
  63:  
  64:          /// <summary>
  65:          ///
  66:          /// </summary>
  67:          public static string Outbox(int itemId) 
  68:          {
  69:              string response;
  70:              Transaction transaction;
  71:  
  72:              response = null;
  73:  
  74:              using (var db = new Ia.Ngn.Cl.Model.Ngn())
  75:              {
  76:                  // below:
  77:                  transaction = (from q in db.Transactions where q.Id == itemId select q).FirstOrDefault();
  78:  
  79:                  if (transaction != null)
  80:                  {
  81:                      // below:
  82:                      response = transaction.Response;
  83:                  }
  84:                  else
  85:                  {
  86:                  }
  87:  
  88:                  db.SaveChanges();
  89:              }
  90:  
  91:              return response;
  92:          }
  93:  
  94:          ////////////////////////////////////////////////////////////////////////////
  95:  
  96:          /// <summary>
  97:          ///
  98:          /// </summary>
  99:          public static ProcessState Process(ref Dart.PowerTCP.Telnet.Telnet telnet, Ia.Ngn.Cl.Model.Transaction.Recipient recepientId)
 100:          {
 101:              bool messageSent;
 102:              ProcessState processState;
 103:              string s;
 104:  
 105:              // below:
 106:  
 107:              processState = ProcessState.Initiated;
 108:  
 109:              messageSent = false;
 110:              List<Transaction> itemList;
 111:  
 112:              using (var db = new Ia.Ngn.Cl.Model.Ngn())
 113:              {
 114:                  // below:
 115:                  itemList = (from q in db.Transactions where q.RecipientId == (int)recepientId && q.Closed == false && q.NumberOfTimesMessageSent == 0 select q).ToList();
 116:  
 117:                  if (itemList.Count > 0)
 118:                  {
 119:                      foreach (Transaction transaction in itemList)
 120:                      {
 121:                          // below: DEBUG
 122:                          if (/*true ||* / telnet.Connected)
 123:                          {
 124:                              try
 125:                              {
 126:                                  foreach (char c in transaction.Message.ToCharArray())
 127:                                  {
 128:                                      s = c.ToString();
 129:  
 130:                                      // below: DEBUG
 131:                                      telnet.Send(s);
 132:  
 133:                                      // below: log
 134:                                      log.Append(s);
 135:  
 136:                                      Thread.Sleep(20); // 20 milliseconds for bytes
 137:                                  }
 138:  
 139:                                  messageSent = true;
 140:                              }
 141:                              catch (Exception)
 142:                              {
 143:                                  messageSent = false;
 144:                              }
 145:                              
 146:                              if (messageSent)
 147:                              {
 148:                                  // below:
 149:                                  transaction.NumberOfTimesMessageSent++;
 150:                                  transaction.MessageSent = transaction.Updated = DateTime.UtcNow.AddHours(3);
 151:                              }
 152:                              else
 153:                              {
 154:                                  transaction.MessageSent = null;
 155:                              }
 156:                          }
 157:                          else
 158:                          {
 159:                              // below: no connection
 160:                              transaction.StateId = (int)Ia.Ngn.Cl.Model.Transaction.State.NoConnection;
 161:                              transaction.Updated = DateTime.UtcNow.AddHours(3);
 162:                          }
 163:                      }
 164:                  }
 165:                  else
 166:                  {
 167:                      processState = ProcessState.NoPendingTransaction;
 168:                  }
 169:  
 170:                  db.SaveChanges();
 171:              }
 172:  
 173:              return processState;
 174:          }
 175:  
 176:          ////////////////////////////////////////////////////////////////////////////
 177:  
 178:          /// <summary>
 179:          ///
 180:          /// </summary>
 181:          public static void ProcessReceive(string receivedData)
 182:          {
 183:              Transaction transaction;
 184:  
 185:              using (var db = new Ia.Ngn.Cl.Model.Ngn())
 186:              {
 187:                  // below:
 188:                  transaction = (from q in db.Transactions where q.Id == currentItemId && q.Closed == false select q).FirstOrDefault();
 189:  
 190:                  if (transaction != null)
 191:                  {
 192:                      // below:
 193:                      transaction.Response = Ia.Cl.Model.Telnet.FormatAndCleanData(receivedData);
 194:                      transaction.ResponseReceived = transaction.Updated = DateTime.UtcNow.AddHours(3);
 195:                      transaction.StateId = (int)Transaction.State.Closed;
 196:                      transaction.Closed = true;
 197:  
 198:                      db.SaveChanges();
 199:                  }
 200:                  else
 201:                  {
 202:                  }
 203:              }
 204:          }
 205:  
 206:          ////////////////////////////////////////////////////////////////////////////
 207:  
 208:          /// <summary>
 209:          ///
 210:          /// </summary>
 211:          public static StringBuilder Log
 212:          {
 213:              get
 214:              {
 215:                  return log;
 216:              }
 217:          }
 218:  
 219:          ////////////////////////////////////////////////////////////////////////////
 220:  
 221:          /// <summary>
 222:          ///
 223:          /// </summary>
 224:          public static void Second() 
 225:          { 
 226:          }
 227:           */
 228:   
 229:          ////////////////////////////////////////////////////////////////////////////    
 230:          ////////////////////////////////////////////////////////////////////////////    
 231:      }
 232:   
 233:      ////////////////////////////////////////////////////////////////////////////
 234:      ////////////////////////////////////////////////////////////////////////////   
 235:  }