修正对invite后trying响应的处理，避免误报错

Lawrence

2020-06-10 60b8934a4b68962479c650840703d9796c433a1e

修正对invite后trying响应的处理，避免误报错

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

@@ -59,10 +59,10 @@

    @PostConstruct
    private void initSipServer() {
        Thread thread=new Thread(this);
        thread.setDaemon(true);
        thread.setName("sip server thread start");
        thread.start();
        Thread thread = new Thread(this);
        thread.setDaemon(true);
        thread.setName("sip server thread start");
        thread.start();
    }

    @Override
@@ -84,7 +84,7 @@
             * 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.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);
@@ -99,13 +99,15 @@
    }

    private void startTcpListener() throws Exception {
        ListeningPoint tcpListeningPoint = sipStack.createListeningPoint(sipConfig.getSipIp(), sipConfig.getSipPort(), "TCP");
        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");
        ListeningPoint udpListeningPoint = sipStack.createListeningPoint(sipConfig.getSipIp(), sipConfig.getSipPort(),
                "UDP");
        udpSipProvider = sipStack.createSipProvider(udpListeningPoint);
        udpSipProvider.addSipListener(this);
    }
@@ -127,13 +129,15 @@
        if ((status >= 200) && (status < 300)) { // Success!
            ISIPResponseProcessor processor = processorFactory.createResponseProcessor(evt);
            processor.process(evt, this, sipConfig);
        } else if (status == Response.TRYING) {
            // trying不会回复
        } else {
            logger.warn("接收到失败的response响应！status：" + status + ",message:" + response.getContent().toString());
        }
        // trying不会回复
        if (status == Response.TRYING) {
        // if (status == Response.TRYING) {

        }
        // }
    }

    /**