package com.zhanghao.smgp;/** * <p>Title: SMGPSendThread</p> * <p>Description: 湖南電信短信網關通訊程序(實現對短信網關的連接,短信的收發)</p> * <p>Description: SMGPSendThread類用于建立與ISMG的連接</p> * <p>Copyright: Copyright (c) 2004</p> * <p>Company: sunun Ltd.</p> * @author zhanghao * @version 1.0 */import java.io.*;import java.net.*;import com.zhanghao.common.util.*;public class SMGPSendThread extends Thread{  /** 該線程運行標志 true 在運行,false停止 **/  public static boolean isAvail = false;  private static DataInputStream  inputStream;  private static DataOutputStream outputStream;  /**  初始化構造器   *   使用SMGPSocketProcess唯一的實例的輸入流和輸出流**/  public SMGPSendThread() {    outputStream = SMGPSocketProcess.getInstance().outputStream;    isAvail = true;  }  public void run(){    Debug.outInfo("[SMGPMaster]"+PublicFunction.getFormatTime()+" MT線程("+SMGParameter.ServerPort+")->發送線程啟動 ...");    /** 最后一次鏈路測試時間 **/    long LastActiveTime = System.currentTimeMillis();    try{      while (isAvail && SMGPSocketProcess.getInstance().isAvail) {        SMGPDBAccess.getInstance().fectchMTDataToBuffer();        int sendFlag = sendDataFromBuffer();        //System.out.println("sendDataFromBuffer sendFlag = "+sendFlag);        if (sendFlag == 1) { //如果緩沖中無發送數據          //如果在10秒內無數據交換，則發送鏈路測試包          if((System.currentTimeMillis() - LastActiveTime) > (SMGParameter.ActiveTestTime - 5000)) //毫秒發一次測試包          {            SMGP activeMsg = new SMGP(SMGP.SMGP_ACTIVE_TEST);            PublicFunction.send(outputStream,activeMsg.pack());            LastActiveTime = System.currentTimeMillis();          }          PublicFunction.sleep(500);  //適當延時。以減輕SMGP通訊服務器端的壓力，可以去掉        }        else {          //當成功發送數據成功后，更新上次鏈路測試時間            LastActiveTime = System.currentTimeMillis();        }      } //end while    }    catch(Exception ex){      ex.printStackTrace();      this.destory(ex);    }  }  /**   * 從發送緩沖隊列中取數據發送   * @return   * 0 成功發送   * 1無數據,   * 2有數據，但發送過程中出現異常   */  private int sendDataFromBuffer() throws Exception{    boolean haveData = false; //是否有數據    long start = 0;    try {      SMGP submitMsg ; //要發送給SP的submit message      if (SMGPDBAccess.getInstance().vctMTData.size() > 0) {        start = System.currentTimeMillis();        haveData = true;      }      else {        return 1;      }      //當發送緩沖隊列中有數據時，發送MT信息      while (SMGPDBAccess.getInstance().vctMTData.size() > 0) {        //取緩沖中的第一條信息        synchronized (SMGPDBAccess.getInstance().vctMTData) {          submitMsg = (SMGP) SMGPDBAccess.getInstance().vctMTData.elementAt(0);        }        //判斷是否發送成功，成功返回0,失敗返回2        PublicFunction.send(outputStream,submitMsg.pack());        synchronized (SMGPDBAccess.getInstance().vctMTData) {          SMGPDBAccess.getInstance().vctMTData.removeElementAt(0);        }        int iSleep = (1000 / SMGParameter.MTSpeed);        PublicFunction.sleep(iSleep);      } // end-while    }    catch (Exception ex) {      throw new Exception("PublicFunction.Send() in Thread Send Error "+ex.toString());    }    return 0;  }  /** 銷毀線程 **/  public void destory(Exception ex){    if(ex !=null){      ex.printStackTrace();      Debug.outInfo("[SMGP]MO連接(發)線程異常停止,異常原因:" + ex.getMessage());    }    else{      Debug.outInfo("[SMGP]MO連接(發)線程異常停止");    }    SMGPSocketProcess.getInstance().disclose();    this.isAvail = false;  }}