form1.cs

三汇CTI示例程序源码

								ChannelState[ch].WorkState = (int)CH_STATE.CH_OFFLINE;
								ChannelState[ch].Lcd = new char[MAX_LCD_LEN];
								ClearCallID(ref pEvent);	//Clear phone number buffer

							}
						}
						break;
					case E_RCV_DSTDChannel:
						{
							switch(pEvent.dwParam)
							{
							case DST_RING_OFF:
								{
									ChannelState[ch].Dir = (int)DIRECTION.UNKNOWN;
									ChannelState[ch].WorkState = (int)CH_STATE.CH_IDLE;
									GetCallID(ref pEvent);			//Get phone number
								}
								break;
							case DST_OFFHOOK:
								{
									ChannelState[ch].Dir = (int)DIRECTION.DOWN;
									ChannelState[ch].WorkState = (int)CH_STATE.CH_ACTIVE;
									StartRecord(ch);
								}
								break;
							case DST_MSG_CHG:
								{
									for(nIndex = 0; nIndex < pEvent.dwDataLength; nIndex++)
									{
										ChannelState[ch].Lcd[nIndex] = (char)pEvent.pvBuffer[nIndex];
									}
								
									ChannelState[ch].LCDLen = pEvent.dwDataLength;
								}
								break;
							default:
								break;
							}
						}
						break;
					default:
						break;
					}
				}
				break;
			case (int)CH_STATE.CH_ACTIVE:
				{
					switch(pEvent.wEventCode)                  
					{
					case E_CHG_ChState:
						{
							if ((pEvent.dwParam & 0xffff) == (int)TRUNK_STATUS.S_CALL_OFFLINE) //Judge channel state 				 
							{ 
								ChannelState[ch].Dir = (int)DIRECTION.UNKNOWN;
								ChannelState[ch].WorkState = (int)CH_STATE.CH_OFFLINE;
								ChannelState[ch].Lcd = new char[MAX_LCD_LEN];
								ClearCallID(ref pEvent);	//Clear phone number buffer
								if (ChannelState[ch].IsRecord != 0)
								{
									StopRecord(ch);				//Stop record
								}
							}
						}
						break;
					case E_RCV_DSTDChannel:
						{
							switch(pEvent.dwParam)
							{
							case DST_ONHOOK:
								{
									ChannelState[ch].Dir = (int)DIRECTION.UNKNOWN;
									ChannelState[ch].WorkState = (int)CH_STATE.CH_IDLE;
									GetCallID(ref pEvent);
									StopRecord(ch);
								}
								break;
							case DST_MSG_CHG:
								{
									for(nIndex = 0; nIndex < pEvent.dwDataLength; nIndex++)
									{
										ChannelState[ch].Lcd[nIndex] = (char)pEvent.pvBuffer[nIndex];
									}
								
									ChannelState[ch].LCDLen = pEvent.dwDataLength;
								}
								break; 
							case DST_ABANDONED:
								{
									ChannelState[ch].WorkState = (int)CH_STATE.CH_WAITFOR_ONHOOK;
									GetCallID(ref pEvent);
									StopRecord(ch);
								}
								break;
							default:
								break;
							}
						}
						break;
					default:
						break;
					}
				}
				break;
			case (int)CH_STATE.CH_OFFLINE:
				{
					if ((pEvent.wEventCode==E_CHG_ChState) && ((pEvent.dwParam & 0xffff)==(int)TRUNK_STATUS.S_CALL_STANDBY))
					{
						ChannelState[ch].Dir = (int)DIRECTION.UNKNOWN;
						ChannelState[ch].Lcd = new char[MAX_LCD_LEN];
						ChannelState[ch].WorkState = (int)CH_STATE.CH_IDLE;
						ClearCallID(ref pEvent);	//Clear phone number buffer
					}
				}
				break;
			case (int)CH_STATE.CH_WAITFOR_ONHOOK:
				{
					switch(pEvent.wEventCode)        
					{
					case E_CHG_ChState:
						{
							if ((pEvent.dwParam & 0xffff) == (int)TRUNK_STATUS.S_CALL_OFFLINE) //Judge channel state 				 
							{ 
								ChannelState[ch].Dir = (int)DIRECTION.UNKNOWN;
								ChannelState[ch].WorkState = (int)CH_STATE.CH_OFFLINE;
								if (ChannelState[ch].IsRecord != 0)
								{
									StopRecord(ch);				//Stop record
								}
							}
						}
						break;
					case E_RCV_DSTDChannel:
						{
							switch(pEvent.dwParam)
							{
							case DST_ONHOOK:
								{
									ChannelState[ch].Dir = (int)DIRECTION.UNKNOWN;
									ChannelState[ch].WorkState = (int)CH_STATE.CH_IDLE;
								}
								break;
							case DST_MSG_CHG:
								{
									for(nIndex = 0; nIndex < pEvent.dwDataLength; nIndex++)
									{
										ChannelState[ch].Lcd[nIndex] = (char)pEvent.pvBuffer[nIndex];
									}
								
									ChannelState[ch].LCDLen = pEvent.dwDataLength;
								}
								break;
							default:
								break;
							}
						}
						break;
					default:
						break;
					}
				}
				break;
			default:
				break;
			}
		}//EventHandler End 

		public void GetCallID(ref SSM_EVENT pEvent)
		{
			int ch;
			int IDPos;
			int LCDPos;
			int NumStarPos = 0;
			int NumStopPos = 0;
			ch = pEvent.nReference;
			if (ChannelState[ch].LCDLen < 2)
			{
				return;
			}
			LCDPos = ChannelState[ch].LCDLen - 1;
			IDPos = 0;
			//find the number's start position and end position in the LCD information;
			while (LCDPos > 0)
			{
				if (NumStopPos == 0)
				{
					if ((int)ChannelState[ch].Lcd[LCDPos]<0x39 && (int)ChannelState[ch].Lcd[LCDPos]>0x30)
					{
						NumStopPos = LCDPos ;
					}
				}
				else
				{
					if ((int)ChannelState[ch].Lcd[LCDPos]>0x39 || (int)ChannelState[ch].Lcd[LCDPos]<0x30)
					{
						NumStarPos = LCDPos + 1;
						break ;
					}
				}
				LCDPos --;
			}
			if ((NumStarPos==0) && (NumStopPos==0) && (ChannelState[ch].Lcd[0]>0x39||ChannelState[ch].Lcd[0]<0x30))
			{
				return;			//not found any number;
			}
			ChannelState[ch].CallIdLen = NumStopPos - NumStarPos + 1;
			for(IDPos=0; IDPos<ChannelState[ch].CallIdLen; IDPos++)
			{
				ChannelState[ch].pCallId[IDPos] = ChannelState[ch].Lcd[NumStarPos];
				NumStarPos ++;
			}
			ChannelState[ch].pCallId[IDPos] = '\0';
			return;
		}

		public void ClearCallID(ref SSM_EVENT pEvent)
		{
			int ch;
			ch = pEvent.nReference;

			ChannelState[ch].pCallId = new char[MAX_CALLID_LEN];
			return;
		}

		public void StartRecord(int ch)
		{
			string recFile;
			recFile = "Test" + ch.ToString() + ".wav";
		
			//Start the file sound recording task on the designates channel. -1:error
			if(SsmRecToFile(ch, recFile, nRecFormat, 0, -1, 0, 0) == -1)  
			{																	
				WriteLog(SsmGetLastErrMsgA());
			}
			ChannelState[ch].IsRecord = (int)CH_RECORD.RECORD;
			return;
		}

		public void StopRecord(int ch)
		{
			int nreChkRecToFile;
			ChannelState[ch].IsRecord = (int)CH_RECORD.UNRECORD;
			//Obtains the situation of the file sound recording task. -1:error
			nreChkRecToFile = SsmChkRecToFile(ch);						  
			if(nreChkRecToFile == -1)
			{
				WriteLog(SsmGetLastErrMsgA());
			}
			if(nreChkRecToFile == 1)									//1:Recording
			{
				//Stop the file sound recording task. -1:error
				if(SsmStopRecToFile(ch) == -1)							 
				{
					WriteLog(SsmGetLastErrMsgA());
				}
			}
			return;
		}
		//write log messages
		void WriteLog(string szLog)
		{
			string path = "SHR.log";
			using (StreamWriter w = File.AppendText(path))
			{
				w.Write("\r\nLog Entry : ");
				w.WriteLine("{0} {1}",DateTime.Now .ToLongDateString(),DateTime.Now .ToLongTimeString ());
				w.WriteLine ("  :{0}",szLog);
				w.WriteLine ("---------------------------------------------------------------------------");
				w.Flush(); 
				w.Close();
			}
			
		}

		private void radioButton1_CheckedChanged(object sender, System.EventArgs e)
		{
			nRecFormat = -1;
		}

		private void radioButton2_CheckedChanged(object sender, System.EventArgs e)
		{
			nRecFormat = 6;
		}

		private void radioButton3_CheckedChanged(object sender, System.EventArgs e)
		{
			nRecFormat = 7;
		}

		private void radioButton4_CheckedChanged(object sender, System.EventArgs e)
		{
			nRecFormat = 17;
		}

		private void radioButton5_CheckedChanged(object sender, System.EventArgs e)
		{
			nRecFormat = 131;
		}

		private void radioButton6_CheckedChanged(object sender, System.EventArgs e)
		{
			nRecFormat = 0xff83;
		}

		private void timer1_Tick(object sender, System.EventArgs e)
		{
			UpdateChannelState();
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			if(comboBox1.Text == "")	return;
			int Cur_Line = int.Parse(comboBox1.Text);
			if (ListenChannel != Cur_Line )
			{
				if(ListenChannel < MaxLine)
				{
					if (SsmStopListenTo(ListenChannel,0) == -1)		//Stop listen
					{
						MessageBox.Show(SsmGetLastErrMsgA());
						return;
					}
					ChannelState[ListenChannel].IsListen = (int)CH_LISTEN.UNLISTEN;
				}
				if (SsmListenTo(Cur_Line,0) == -1)					//Listen
				{
					MessageBox.Show(SsmGetLastErrMsgA());
					return;
				}
				ChannelState[Cur_Line].IsListen = (int)CH_LISTEN.LISTEN;
				ListenChannel = Cur_Line;
			}
			return;
		
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			if(ListenChannel < MaxLine)
			{
				ChannelState[ListenChannel].IsListen = (int)CH_LISTEN.UNLISTEN;
				if (SsmStopListenTo(ListenChannel,0) == -1)		//Stop listen
				{
					MessageBox.Show(SsmGetLastErrMsgA());
				}
				ListenChannel = MaxLine;
			}
			return;
		}
		
	}
}