|  |  | 
 |  |  | package com.genersoft.iot.vmp.gb28181;
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 |  |  | import java.text.ParseException;
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 |  |  | import java.util.Properties;
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 |  |  | import java.util.TooManyListenersException;
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 |  |  | import java.util.concurrent.LinkedBlockingQueue;
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 |  |  | import java.util.concurrent.ThreadPoolExecutor;
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 |  |  | import java.util.concurrent.TimeUnit;
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 |  |  | 
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 |  |  | import javax.sip.*;
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 |  |  | import javax.sip.header.CallIdHeader;
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 |  |  | import javax.sip.message.Response;
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 |  |  | 
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 |  |  | import com.genersoft.iot.vmp.gb28181.event.SipSubscribe;
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 |  |  | import com.genersoft.iot.vmp.conf.SipConfig;
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 |  |  | import com.genersoft.iot.vmp.gb28181.transmit.ISIPProcessorObserver;
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 |  |  | import gov.nist.javax.sip.SipProviderImpl;
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 |  |  | import gov.nist.javax.sip.SipStackImpl;
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 |  |  | import org.slf4j.Logger;
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 |  |  | import org.slf4j.LoggerFactory;
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 |  |  | import org.springframework.beans.factory.annotation.Autowired;
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 |  |  | 
 |  |  | import org.springframework.context.annotation.DependsOn;
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 |  |  | import org.springframework.stereotype.Component;
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 |  |  | 
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 |  |  | import com.genersoft.iot.vmp.conf.SipConfig;
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 |  |  | import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorFactory;
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 |  |  | import com.genersoft.iot.vmp.gb28181.transmit.response.ISIPResponseProcessor;
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 |  |  | 
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 |  |  | import gov.nist.javax.sip.SipStackImpl;
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 |  |  | import javax.sip.*;
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 |  |  | import java.util.Properties;
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 |  |  | import java.util.TooManyListenersException;
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 |  |  | import java.util.concurrent.LinkedBlockingQueue;
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 |  |  | import java.util.concurrent.ThreadPoolExecutor;
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 |  |  | import java.util.concurrent.TimeUnit;
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 |  |  | 
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 |  |  | @Component
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 |  |  | public class SipLayer implements SipListener {
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 |  |  | public class SipLayer{
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 |  |  | 
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 |  |  |    private final static Logger logger = LoggerFactory.getLogger(SipLayer.class);
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 |  |  |    private SipConfig sipConfig;
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 |  |  |    @Autowired
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 |  |  |    private SIPProcessorFactory processorFactory;
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 |  |  |    private ISIPProcessorObserver sipProcessorObserver;
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 |  |  | 
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 |  |  |    @Autowired
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 |  |  |    private SipSubscribe sipSubscribe;
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 |  |  |    private SipStack sipStack;
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 |  |  |    private SipStackImpl sipStack;
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 |  |  | 
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 |  |  |    private SipFactory sipFactory;
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 |  |  | 
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 |  |  |    /**    | 
 |  |  |     * 消息处理器线程池
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 |  |  |     */
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 |  |  |    private ThreadPoolExecutor processThreadPool;
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 |  |  | 
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 |  |  |    @Bean("initSipServer")
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 |  |  |    private ThreadPoolExecutor initSipServer() {
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 |  |  | 		 | 
 |  |  |       int processThreadNum = Runtime.getRuntime().availableProcessors() * 10;
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 |  |  |       LinkedBlockingQueue<Runnable> processQueue = new LinkedBlockingQueue<Runnable>(10000);
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 |  |  |       processThreadPool = new ThreadPoolExecutor(processThreadNum,processThreadNum,
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 |  |  |             0L,TimeUnit.MILLISECONDS,processQueue,
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 |  |  |             new ThreadPoolExecutor.CallerRunsPolicy());
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 |  |  |       return processThreadPool;
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 |  |  |    }
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 |  |  | 	 | 
 |  |  |    @Bean("sipFactory")
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 |  |  |    @DependsOn("initSipServer")
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 |  |  |    private SipFactory createSipFactory() {
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 |  |  |       sipFactory = SipFactory.getInstance();
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 |  |  |       sipFactory.setPathName("gov.nist");
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 |  |  | 
 |  |  |    }
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 |  |  |    
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 |  |  |    @Bean("sipStack")
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 |  |  |    @DependsOn({"initSipServer", "sipFactory"})
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 |  |  |    @DependsOn({"sipFactory"})
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 |  |  |    private SipStack createSipStack() throws PeerUnavailableException {
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 |  |  |       Properties properties = new Properties();
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 |  |  |       properties.setProperty("javax.sip.STACK_NAME", "GB28181_SIP");
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 |  |  |       properties.setProperty("javax.sip.IP_ADDRESS", sipConfig.getSipIp());
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 |  |  |       properties.setProperty("javax.sip.IP_ADDRESS", sipConfig.getMonitorIp());
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 |  |  |       properties.setProperty("gov.nist.javax.sip.LOG_MESSAGE_CONTENT", "false");
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 |  |  |       /**
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 |  |  |        * sip_server_log.log 和 sip_debug_log.log public static final int TRACE_NONE =
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 |  |  | 
 |  |  |       return sipStack;
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 |  |  |    }
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 |  |  | 
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 |  |  |    @Bean("tcpSipProvider")
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 |  |  |    @Bean(name = "tcpSipProvider")
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 |  |  |    @DependsOn("sipStack")
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 |  |  |    private SipProvider startTcpListener() {
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 |  |  |    private SipProviderImpl startTcpListener() {
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 |  |  |       ListeningPoint tcpListeningPoint = null;
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 |  |  |       SipProvider tcpSipProvider  = null;
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 |  |  |       SipProviderImpl tcpSipProvider  = null;
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 |  |  |       try {
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 |  |  |          tcpListeningPoint = sipStack.createListeningPoint(sipConfig.getSipIp(), sipConfig.getSipPort(), "TCP");
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 |  |  |          tcpSipProvider = sipStack.createSipProvider(tcpListeningPoint);
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 |  |  |          tcpSipProvider.addSipListener(this);
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 |  |  |          logger.info("Sip Server TCP 启动成功 port {" + sipConfig.getSipPort() + "}");
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 |  |  |       } catch (TransportNotSupportedException | InvalidArgumentException | TooManyListenersException | ObjectInUseException e) {
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 |  |  |          logger.error(String.format("创建SIP服务失败: %s", e.getMessage()));
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 |  |  |          tcpListeningPoint = sipStack.createListeningPoint(sipConfig.getMonitorIp(), sipConfig.getPort(), "TCP");
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 |  |  |          tcpSipProvider = (SipProviderImpl)sipStack.createSipProvider(tcpListeningPoint);
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 |  |  |          tcpSipProvider.setDialogErrorsAutomaticallyHandled();
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 |  |  |          tcpSipProvider.addSipListener(sipProcessorObserver);
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 |  |  |          logger.info("Sip Server TCP 启动成功 port {" + sipConfig.getMonitorIp() + ":" + sipConfig.getPort() + "}");
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 |  |  |       } catch (TransportNotSupportedException e) {
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 |  |  |          e.printStackTrace();
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 |  |  |       } catch (InvalidArgumentException e) {
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 |  |  |          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"
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 |  |  |                , sipConfig.getMonitorIp(), sipConfig.getPort());
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 |  |  |       } catch (TooManyListenersException e) {
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 |  |  |          e.printStackTrace();
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 |  |  |       } catch (ObjectInUseException e) {
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 |  |  |          e.printStackTrace();
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 |  |  |       }
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 |  |  |       return tcpSipProvider;
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 |  |  |    }
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 |  |  |    
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 |  |  |    @Bean("udpSipProvider")
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 |  |  |    @Bean(name = "udpSipProvider")
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 |  |  |    @DependsOn("sipStack")
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 |  |  |    private SipProvider startUdpListener() throws Exception {
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 |  |  |       ListeningPoint udpListeningPoint = sipStack.createListeningPoint(sipConfig.getSipIp(), sipConfig.getSipPort(), "UDP");
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 |  |  |       SipProvider udpSipProvider = sipStack.createSipProvider(udpListeningPoint);
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 |  |  |       udpSipProvider.addSipListener(this);
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 |  |  |       logger.info("Sip Server UDP 启动成功 port {" + sipConfig.getSipPort() + "}");
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 |  |  |       return udpSipProvider;
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 |  |  |    }
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 |  |  | 
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 |  |  |    /**
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 |  |  |     * 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
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 |  |  |     * new request arrives.
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 |  |  |     */
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 |  |  |    @Override
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 |  |  |    public void processRequest(RequestEvent evt) {
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 |  |  |       logger.debug(evt.getRequest().toString());
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 |  |  |       // 由于jainsip是单线程程序,为提高性能并发处理
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 |  |  |       processThreadPool.execute(() -> {
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 |  |  |          if (processorFactory != null) {
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 |  |  |             processorFactory.createRequestProcessor(evt).process();
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 |  |  |          }
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 |  |  |       });
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 |  |  |    }
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 |  |  | 
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 |  |  |    @Override
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 |  |  |    public void processResponse(ResponseEvent evt) {
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 |  |  |       Response response = evt.getResponse();
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 |  |  |       logger.debug(evt.getResponse().toString());
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 |  |  |       int status = response.getStatusCode();
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 |  |  |       if ((status >= 200) && (status < 300)) { // Success!
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 |  |  |          ISIPResponseProcessor processor = processorFactory.createResponseProcessor(evt);
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 |  |  |          try {
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 |  |  |             processor.process(evt, this, sipConfig);
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 |  |  |          } catch (ParseException e) {
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 |  |  |             // TODO Auto-generated catch block
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 |  |  |             e.printStackTrace();
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 |  |  |          }
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 |  |  |          if (evt.getResponse() != null && sipSubscribe.getOkSubscribesSize() > 0 ) {
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 |  |  |             CallIdHeader callIdHeader = (CallIdHeader)evt.getResponse().getHeader(CallIdHeader.NAME);
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 |  |  |             if (callIdHeader != null) {
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 |  |  |                SipSubscribe.Event subscribe = sipSubscribe.getOkSubscribe(callIdHeader.getCallId());
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 |  |  |                if (subscribe != null) {
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 |  |  |                   subscribe.response(evt);
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 |  |  |                }
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 |  |  |             }
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 |  |  |          }
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 |  |  |       // } else if (status == Response.TRYING) {
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 |  |  |          // trying不会回复
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 |  |  |       } else if ((status >= 100) && (status < 200)) {
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 |  |  |          // 增加其它无需回复的响应,如101、180等
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 |  |  |       } else {
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 |  |  |          logger.warn("接收到失败的response响应!status:" + status + ",message:" + response.getReasonPhrase()/* .getContent().toString()*/);
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 |  |  |          if (evt.getResponse() != null && sipSubscribe.getErrorSubscribesSize() > 0 ) {
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 |  |  |             CallIdHeader callIdHeader = (CallIdHeader)evt.getResponse().getHeader(CallIdHeader.NAME);
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 |  |  |             if (callIdHeader != null) {
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 |  |  |                SipSubscribe.Event subscribe = sipSubscribe.getErrorSubscribe(callIdHeader.getCallId());
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 |  |  |                if (subscribe != null) {
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 |  |  |                   subscribe.response(evt);
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 |  |  |                }
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 |  |  |             }
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 |  |  |          }
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 |  |  |    private SipProviderImpl startUdpListener() {
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 |  |  |       ListeningPoint udpListeningPoint = null;
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 |  |  |       SipProviderImpl udpSipProvider = null;
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 |  |  |       try {
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 |  |  |          udpListeningPoint = sipStack.createListeningPoint(sipConfig.getMonitorIp(), sipConfig.getPort(), "UDP");
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 |  |  |          udpSipProvider = (SipProviderImpl)sipStack.createSipProvider(udpListeningPoint);
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 |  |  |          udpSipProvider.addSipListener(sipProcessorObserver);
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 |  |  |       } catch (TransportNotSupportedException e) {
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 |  |  |          e.printStackTrace();
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 |  |  |       } catch (InvalidArgumentException e) {
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 |  |  |          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"
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 |  |  |                , sipConfig.getMonitorIp(), sipConfig.getPort());
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 |  |  |       } catch (TooManyListenersException e) {
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 |  |  |          e.printStackTrace();
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 |  |  |       } catch (ObjectInUseException e) {
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 |  |  |          e.printStackTrace();
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 |  |  |       }
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 |  |  | 
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 |  |  | 
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 |  |  | 
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 |  |  |    }
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 |  |  | 
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 |  |  |    /**
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 |  |  |     * <p>
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 |  |  |     * Title: processTimeout
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 |  |  |     * </p>
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 |  |  |     * <p>
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 |  |  |     * Description:
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 |  |  |     * </p>
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 |  |  |     *  | 
 |  |  |     * @param timeoutEvent
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 |  |  |     */
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 |  |  |    @Override
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 |  |  |    public void processTimeout(TimeoutEvent timeoutEvent) {
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 |  |  |       // TODO Auto-generated method stub
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 |  |  | 
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 |  |  |    }
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 |  |  | 
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 |  |  |    /**
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 |  |  |     * <p>
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 |  |  |     * Title: processIOException
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 |  |  |     * </p>
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 |  |  |     * <p>
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 |  |  |     * Description:
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 |  |  |     * </p>
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 |  |  |     *  | 
 |  |  |     * @param exceptionEvent
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 |  |  |     */
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 |  |  |    @Override
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 |  |  |    public void processIOException(IOExceptionEvent exceptionEvent) {
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 |  |  |       // TODO Auto-generated method stub
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 |  |  | 
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 |  |  |    }
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 |  |  | 
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 |  |  |    /**
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 |  |  |     * <p>
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 |  |  |     * Title: processTransactionTerminated
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 |  |  |     * </p>
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 |  |  |     * <p>
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 |  |  |     * Description:
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 |  |  |     * </p>
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 |  |  |     *  | 
 |  |  |     * @param transactionTerminatedEvent
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 |  |  |     */
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 |  |  |    @Override
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 |  |  |    public void processTransactionTerminated(TransactionTerminatedEvent transactionTerminatedEvent) {
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 |  |  |       // TODO Auto-generated method stub
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 |  |  | 
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 |  |  |    }
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 |  |  | 
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 |  |  |    /**
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 |  |  |     * <p>
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 |  |  |     * Title: processDialogTerminated
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 |  |  |     * </p>
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 |  |  |     * <p>
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 |  |  |     * Description:
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 |  |  |     * </p>
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 |  |  |     *  | 
 |  |  |     * @param dialogTerminatedEvent
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 |  |  |     */
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 |  |  |    @Override
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 |  |  |    public void processDialogTerminated(DialogTerminatedEvent dialogTerminatedEvent) {
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 |  |  |       // TODO Auto-generated method stub
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 |  |  | 
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 |  |  |       logger.info("Sip Server UDP 启动成功 port [" + sipConfig.getMonitorIp() + ":" + sipConfig.getPort() + "]");
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 |  |  |       return udpSipProvider;
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 |  |  |    }
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 |  |  | 
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 |  |  | }
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