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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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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import com.genersoft.iot.vmp.gb28181.event.SipSubscribe;
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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.Bean;
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import org.springframework.context.annotation.DependsOn;
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import org.springframework.stereotype.Component;
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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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import gov.nist.javax.sip.SipStackImpl;
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@Component
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public class SipLayer implements SipListener {
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private final static Logger logger = LoggerFactory.getLogger(SipLayer.class);
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@Autowired
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private SipConfig sipConfig;
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@Autowired
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private SIPProcessorFactory processorFactory;
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@Autowired
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private SipSubscribe sipSubscribe;
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private SipStack sipStack;
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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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@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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return sipFactory;
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}
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@Bean("sipStack")
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@DependsOn({"initSipServer", "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("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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* 0; public static final int TRACE_MESSAGES = 16; public static final int
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* TRACE_EXCEPTION = 17; public static final int TRACE_DEBUG = 32;
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*/
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properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL", "0");
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properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "sip_server_log");
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properties.setProperty("gov.nist.javax.sip.DEBUG_LOG", "sip_debug_log");
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sipStack = (SipStackImpl) sipFactory.createSipStack(properties);
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return sipStack;
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}
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@Bean("tcpSipProvider")
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@DependsOn("sipStack")
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private SipProvider startTcpListener() {
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ListeningPoint tcpListeningPoint = null;
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SipProvider 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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}
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return tcpSipProvider;
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}
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@Bean("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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* 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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@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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}
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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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*
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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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* <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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*
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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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* <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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*
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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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* <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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*
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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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}
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