使用阿里代码规范。规范代码写法

648540858

2022-05-06 5d901b5e3f033e8b04e53420d68626cbd87431c8

 src/main/java/com/genersoft/iot/vmp/gb28181/SipLayer.java

@@ -1,261 +1,114 @@
package com.genersoft.iot.vmp.gb28181;



import java.text.ParseException;

import java.util.Properties;



import javax.annotation.PostConstruct;

import javax.sip.DialogTerminatedEvent;

import javax.sip.IOExceptionEvent;

import javax.sip.ListeningPoint;

import javax.sip.RequestEvent;

import javax.sip.ResponseEvent;

import javax.sip.ServerTransaction;

import javax.sip.SipFactory;

import javax.sip.SipListener;

import javax.sip.SipProvider;

import javax.sip.SipStack;

import javax.sip.TimeoutEvent;

import javax.sip.TransactionAlreadyExistsException;

import javax.sip.TransactionTerminatedEvent;

import javax.sip.TransactionUnavailableException;

import javax.sip.address.AddressFactory;

import javax.sip.header.HeaderFactory;

import javax.sip.header.ViaHeader;

import javax.sip.message.MessageFactory;

import javax.sip.message.Request;

import javax.sip.message.Response;



import com.genersoft.iot.vmp.conf.SipConfig;

import com.genersoft.iot.vmp.gb28181.transmit.ISIPProcessorObserver;

import gov.nist.javax.sip.SipProviderImpl;

import gov.nist.javax.sip.SipStackImpl;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import org.springframework.context.annotation.DependsOn;

import org.springframework.stereotype.Component;



import com.genersoft.iot.vmp.conf.SipConfig;

import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorFactory;

import com.genersoft.iot.vmp.gb28181.transmit.request.ISIPRequestProcessor;

import com.genersoft.iot.vmp.gb28181.transmit.response.ISIPResponseProcessor;

import javax.sip.*;

import java.util.Properties;

import java.util.TooManyListenersException;

import java.util.concurrent.LinkedBlockingQueue;

import java.util.concurrent.ThreadPoolExecutor;

import java.util.concurrent.TimeUnit;



import gov.nist.javax.sip.SipStackImpl;



@Component

public class SipLayer implements SipListener, Runnable {

@Configuration

public class SipLayer{



   private final static Logger logger = LoggerFactory.getLogger(SipLayer.class);



   @Autowired

   private SipConfig sipConfig;



   private SipProvider tcpSipProvider;



   private SipProvider udpSipProvider;



   @Autowired

   private SIPProcessorFactory processorFactory;

   private ISIPProcessorObserver sipProcessorObserver;



   private SipStack sipStack;

   private SipStackImpl sipStack;



   private AddressFactory addressFactory;

   private HeaderFactory headerFactory;

   private MessageFactory messageFactory;

   private SipFactory sipFactory;



   @PostConstruct

   private void initSipServer() {

      Thread thread = new Thread(this);

      thread.setDaemon(true);

      thread.setName("sip server thread start");

      thread.start();



   @Bean("sipFactory")

   SipFactory createSipFactory() {

      sipFactory = SipFactory.getInstance();

      sipFactory.setPathName("gov.nist");

      return sipFactory;

   }

	
   @Bean("sipStack")

   @DependsOn({"sipFactory"})

   SipStack createSipStack() throws PeerUnavailableException {

      Properties properties = new Properties();

      properties.setProperty("javax.sip.STACK_NAME", "GB28181_SIP");

      properties.setProperty("javax.sip.IP_ADDRESS", sipConfig.getMonitorIp());

      properties.setProperty("gov.nist.javax.sip.LOG_MESSAGE_CONTENT", "true");

      properties.setProperty("gov.nist.javax.sip.DELIVER_UNSOLICITED_NOTIFY", "true"); // 接收所有notify请求，即使没有订阅

      /**

       * sip_server_log.log 和 sip_debug_log.log public static final int TRACE_NONE =

       * 0; public static final int TRACE_MESSAGES = 16; public static final int

       * TRACE_EXCEPTION = 17; public static final int TRACE_DEBUG = 32;

       */

      properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL", "0");

      properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "sip_server_log");

      properties.setProperty("gov.nist.javax.sip.DEBUG_LOG", "sip_debug_log");

      sipStack = (SipStackImpl) sipFactory.createSipStack(properties);



      return sipStack;

   }



   @Override

   public void run() {

      SipFactory sipFactory = SipFactory.getInstance();

      sipFactory.setPathName("gov.nist");

   @Bean(name = "tcpSipProvider")

   @DependsOn("sipStack")

   SipProviderImpl startTcpListener() {

      ListeningPoint tcpListeningPoint = null;

      SipProviderImpl tcpSipProvider  = null;

      try {

         headerFactory = sipFactory.createHeaderFactory();



         addressFactory = sipFactory.createAddressFactory();

         messageFactory = sipFactory.createMessageFactory();



         Properties properties = new Properties();

         properties.setProperty("javax.sip.STACK_NAME", "GB28181_SIP");

         properties.setProperty("javax.sip.IP_ADDRESS", sipConfig.getSipIp());

         properties.setProperty("gov.nist.javax.sip.LOG_MESSAGE_CONTENT", "false");

         /**

          * sip_server_log.log 和 sip_debug_log.log public static final int TRACE_NONE =

          * 0; public static final int TRACE_MESSAGES = 16; public static final int

          * TRACE_EXCEPTION = 17; public static final int TRACE_DEBUG = 32;

          */

         properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL", "32");

         properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "sip_server_log");

         properties.setProperty("gov.nist.javax.sip.DEBUG_LOG", "sip_debug_log");

         sipStack = (SipStackImpl) sipFactory.createSipStack(properties);



         startTcpListener();

         startUdpListener();

      } catch (Exception e) {

         logger.error("Sip Server 启动失败！ port {" + sipConfig.getSipPort() + "}");

         tcpListeningPoint = sipStack.createListeningPoint(sipConfig.getMonitorIp(), sipConfig.getPort(), "TCP");

         tcpSipProvider = (SipProviderImpl)sipStack.createSipProvider(tcpListeningPoint);

         tcpSipProvider.setDialogErrorsAutomaticallyHandled();

         tcpSipProvider.addSipListener(sipProcessorObserver);

//         tcpSipProvider.setAutomaticDialogSupportEnabled(false);

         logger.info("Sip Server TCP 启动成功 port {" + sipConfig.getMonitorIp() + ":" + sipConfig.getPort() + "}");

      } catch (TransportNotSupportedException e) {

         e.printStackTrace();

      } catch (InvalidArgumentException e) {

         logger.error("无法使用 [ {}:{} ]作为SIP[ TCP ]服务，可排查: 1. sip.monitor-ip 是否为本机网卡IP; 2. sip.port 是否已被占用"

               , sipConfig.getMonitorIp(), sipConfig.getPort());

      } catch (TooManyListenersException e) {

         e.printStackTrace();

      } catch (ObjectInUseException e) {

         e.printStackTrace();

      }

      logger.info("Sip Server 启动成功 port {" + sipConfig.getSipPort() + "}");

   }



   private void startTcpListener() throws Exception {

      ListeningPoint tcpListeningPoint = sipStack.createListeningPoint(sipConfig.getSipIp(), sipConfig.getSipPort(),

            "TCP");

      tcpSipProvider = sipStack.createSipProvider(tcpListeningPoint);

      tcpSipProvider.addSipListener(this);

   }



   private void startUdpListener() throws Exception {

      ListeningPoint udpListeningPoint = sipStack.createListeningPoint(sipConfig.getSipIp(), sipConfig.getSipPort(),

            "UDP");

      udpSipProvider = sipStack.createSipProvider(udpListeningPoint);

      udpSipProvider.addSipListener(this);

   }



   /**

    * SIP服务端接收消息的方法 Content 里面是GBK编码 This method is called by the SIP stack when a

    * new request arrives.

    */

   @Override

   public void processRequest(RequestEvent evt) {

      ISIPRequestProcessor processor = processorFactory.createRequestProcessor(evt);

      processor.process(evt, this);

   }



   @Override

   public void processResponse(ResponseEvent evt) {

      Response response = evt.getResponse();

      int status = response.getStatusCode();

      if ((status >= 200) && (status < 300)) { // Success!

         ISIPResponseProcessor processor = processorFactory.createResponseProcessor(evt);

         try {

            processor.process(evt, this, sipConfig);

         } catch (ParseException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

         }

      // } else if (status == Response.TRYING) {

         // trying不会回复

      } else if ((status >= 100) && (status < 200)) {

         // 增加其它无需回复的响应，如101、180等

      } else {

         logger.warn("接收到失败的response响应！status：" + status + ",message:" + response.getReasonPhrase()/* .getContent().toString()*/);

      }

      // trying不会回复

      // if (status == Response.TRYING) {



      // }

   }



   /**

    * <p>

    * Title: processTimeout

    * </p>

    * <p>

    * Description:

    * </p>

    * 
    * @param timeoutEvent

    */

   @Override

   public void processTimeout(TimeoutEvent timeoutEvent) {

      // TODO Auto-generated method stub



   }



   /**

    * <p>

    * Title: processIOException

    * </p>

    * <p>

    * Description:

    * </p>

    * 
    * @param exceptionEvent

    */

   @Override

   public void processIOException(IOExceptionEvent exceptionEvent) {

      // TODO Auto-generated method stub



   }



   /**

    * <p>

    * Title: processTransactionTerminated

    * </p>

    * <p>

    * Description:

    * </p>

    * 
    * @param transactionTerminatedEvent

    */

   @Override

   public void processTransactionTerminated(TransactionTerminatedEvent transactionTerminatedEvent) {

      // TODO Auto-generated method stub



   }



   /**

    * <p>

    * Title: processDialogTerminated

    * </p>

    * <p>

    * Description:

    * </p>

    * 
    * @param dialogTerminatedEvent

    */

   @Override

   public void processDialogTerminated(DialogTerminatedEvent dialogTerminatedEvent) {

      // TODO Auto-generated method stub



   }



   public ServerTransaction getServerTransaction(RequestEvent evt) {

      Request request = evt.getRequest();

      ServerTransaction serverTransaction = evt.getServerTransaction();

      // 判断TCP还是UDP

      boolean isTcp = false;

      ViaHeader reqViaHeader = (ViaHeader) request.getHeader(ViaHeader.NAME);

      String transport = reqViaHeader.getTransport();

      if (transport.equals("TCP")) {

         isTcp = true;

      }



      if (serverTransaction == null) {

         try {

            if (isTcp) {

               serverTransaction = tcpSipProvider.getNewServerTransaction(request);

            } else {

               serverTransaction = udpSipProvider.getNewServerTransaction(request);

            }

         } catch (TransactionAlreadyExistsException e) {

            e.printStackTrace();

         } catch (TransactionUnavailableException e) {

            e.printStackTrace();

         }

      }

      return serverTransaction;

   }



   public AddressFactory getAddressFactory() {

      return addressFactory;

   }



   public HeaderFactory getHeaderFactory() {

      return headerFactory;

   }



   public MessageFactory getMessageFactory() {

      return messageFactory;

   }



   public SipProvider getTcpSipProvider() {

      return tcpSipProvider;

   }



   public SipProvider getUdpSipProvider() {

	
   @Bean(name = "udpSipProvider")

   @DependsOn("sipStack")

   SipProviderImpl startUdpListener() {

      ListeningPoint udpListeningPoint = null;

      SipProviderImpl udpSipProvider = null;

      try {

         udpListeningPoint = sipStack.createListeningPoint(sipConfig.getMonitorIp(), sipConfig.getPort(), "UDP");

         udpSipProvider = (SipProviderImpl)sipStack.createSipProvider(udpListeningPoint);

         udpSipProvider.addSipListener(sipProcessorObserver);

//         udpSipProvider.setAutomaticDialogSupportEnabled(false);

      } catch (TransportNotSupportedException e) {

         e.printStackTrace();

      } catch (InvalidArgumentException e) {

         logger.error("无法使用 [ {}:{} ]作为SIP[ UDP ]服务，可排查: 1. sip.monitor-ip 是否为本机网卡IP; 2. sip.port 是否已被占用"

               , sipConfig.getMonitorIp(), sipConfig.getPort());

      } catch (TooManyListenersException e) {

         e.printStackTrace();

      } catch (ObjectInUseException e) {

         e.printStackTrace();

      }

      logger.info("Sip Server UDP 启动成功 port [" + sipConfig.getMonitorIp() + ":" + sipConfig.getPort() + "]");

      return udpSipProvider;

   }