648540858
2022-11-29 14151c07e3d04509d1c8c9ebecde5d9997046efd
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package com.genersoft.iot.vmp.gb28181;
 
import com.genersoft.iot.vmp.conf.SipConfig;
import com.genersoft.iot.vmp.gb28181.conf.DefaultProperties;
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.boot.CommandLineRunner;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import org.springframework.util.ObjectUtils;
 
import javax.sip.*;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
 
@Component
@Order(value=1)
public class SipLayer implements CommandLineRunner {
 
    private final static Logger logger = LoggerFactory.getLogger(SipLayer.class);
 
    @Autowired
    private SipConfig sipConfig;
 
    @Autowired
    private ISIPProcessorObserver sipProcessorObserver;
 
    private final Map<String, SipProviderImpl> tcpSipProviderMap = new ConcurrentHashMap<>();
    private final Map<String, SipProviderImpl> udpSipProviderMap = new ConcurrentHashMap<>();
 
    private SipFactory sipFactory;
 
    @Override
    public void run(String... args) {
        List<String> monitorIps = new ArrayList<>();
        // 使用逗号分割多个ip
        String separator = ",";
        if (sipConfig.getIp().indexOf(separator) > 0) {
            String[] split = sipConfig.getIp().split(separator);
            monitorIps.addAll(Arrays.asList(split));
        }else {
            monitorIps.add(sipConfig.getIp());
        }
 
        sipFactory = SipFactory.getInstance();
        sipFactory.setPathName("gov.nist");
        if (monitorIps.size() > 0) {
            for (String monitorIp : monitorIps) {
                addListeningPoint(monitorIp, sipConfig.getPort());
            }
            if (udpSipProviderMap.size() + tcpSipProviderMap.size() == 0) {
                System.exit(1);
            }
        }
    }
 
    private void addListeningPoint(String monitorIp, int port){
        SipStackImpl sipStack;
        try {
            sipStack = (SipStackImpl)sipFactory.createSipStack(DefaultProperties.getProperties(monitorIp, false));
        } catch (PeerUnavailableException e) {
            logger.error("[Sip Server] SIP服务启动失败, 监听地址{}失败,请检查ip是否正确", monitorIp);
            return;
        }
 
        try {
            ListeningPoint tcpListeningPoint = sipStack.createListeningPoint(monitorIp, port, "TCP");
            SipProviderImpl tcpSipProvider = (SipProviderImpl)sipStack.createSipProvider(tcpListeningPoint);
 
            tcpSipProvider.setDialogErrorsAutomaticallyHandled();
            tcpSipProvider.addSipListener(sipProcessorObserver);
            tcpSipProviderMap.put(monitorIp, tcpSipProvider);
 
            logger.info("[Sip Server] tcp://{}:{} 启动成功", monitorIp, port);
        } catch (TransportNotSupportedException
                 | TooManyListenersException
                 | ObjectInUseException
                 | InvalidArgumentException e) {
            logger.error("[Sip Server] tcp://{}:{} SIP服务启动失败,请检查端口是否被占用或者ip是否正确"
                    , monitorIp, port);
        }
 
        try {
            ListeningPoint udpListeningPoint = sipStack.createListeningPoint(monitorIp, port, "UDP");
 
            SipProviderImpl udpSipProvider = (SipProviderImpl)sipStack.createSipProvider(udpListeningPoint);
            udpSipProvider.addSipListener(sipProcessorObserver);
 
            udpSipProviderMap.put(monitorIp, udpSipProvider);
 
            logger.info("[Sip Server] udp://{}:{} 启动成功", monitorIp, port);
        } catch (TransportNotSupportedException
                 | TooManyListenersException
                 | ObjectInUseException
                 | InvalidArgumentException e) {
            logger.error("[Sip Server] udp://{}:{} SIP服务启动失败,请检查端口是否被占用或者ip是否正确"
                    , monitorIp, port);
        }
    }
 
    public SipFactory getSipFactory() {
        return sipFactory;
    }
 
    public SipProviderImpl getUdpSipProvider(String ip) {
        if (ObjectUtils.isEmpty(ip)) {
            return null;
        }
        return udpSipProviderMap.get(ip);
    }
 
    public SipProviderImpl getUdpSipProvider() {
        if (udpSipProviderMap.size() != 1) {
            return null;
        }
        return udpSipProviderMap.values().stream().findFirst().get();
    }
 
    public SipProviderImpl getTcpSipProvider() {
        if (tcpSipProviderMap.size() != 1) {
            return null;
        }
        return tcpSipProviderMap.values().stream().findFirst().get();
    }
 
    public SipProviderImpl getTcpSipProvider(String ip) {
        if (ObjectUtils.isEmpty(ip)) {
            return null;
        }
        return tcpSipProviderMap.get(ip);
    }
 
    public String getLocalIp(String deviceLocalIp) {
        if (!ObjectUtils.isEmpty(deviceLocalIp)) {
            return deviceLocalIp;
        }
        return getUdpSipProvider().getListeningPoint().getIPAddress();
    }
}