package com.genersoft.iot.vmp.gb28181.event;
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import com.genersoft.iot.vmp.gb28181.bean.DeviceNotFoundEvent;
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import gov.nist.javax.sip.message.SIPRequest;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.scheduling.annotation.Scheduled;
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import org.springframework.stereotype.Component;
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import javax.sip.DialogTerminatedEvent;
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import javax.sip.ResponseEvent;
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import javax.sip.TimeoutEvent;
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import javax.sip.TransactionTerminatedEvent;
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import javax.sip.header.CallIdHeader;
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import javax.sip.message.Response;
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import java.time.Instant;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.TimeUnit;
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/**
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* @author lin
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*/
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@Component
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public class SipSubscribe {
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private final Logger logger = LoggerFactory.getLogger(SipSubscribe.class);
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private Map<String, SipSubscribe.Event> errorSubscribes = new ConcurrentHashMap<>();
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private Map<String, SipSubscribe.Event> okSubscribes = new ConcurrentHashMap<>();
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private Map<String, Instant> okTimeSubscribes = new ConcurrentHashMap<>();
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private Map<String, Instant> errorTimeSubscribes = new ConcurrentHashMap<>();
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// @Scheduled(cron="*/5 * * * * ?") //每五秒执行一次
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// @Scheduled(fixedRate= 100 * 60 * 60 )
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@Scheduled(cron="0 0/5 * * * ?") //每5分钟执行一次
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public void execute(){
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logger.info("[定时任务] 清理过期的SIP订阅信息");
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Instant instant = Instant.now().minusMillis(TimeUnit.MINUTES.toMillis(5));
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for (String key : okTimeSubscribes.keySet()) {
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if (okTimeSubscribes.get(key).isBefore(instant)){
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okSubscribes.remove(key);
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okTimeSubscribes.remove(key);
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}
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}
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for (String key : errorTimeSubscribes.keySet()) {
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if (errorTimeSubscribes.get(key).isBefore(instant)){
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errorSubscribes.remove(key);
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errorTimeSubscribes.remove(key);
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}
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}
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logger.debug("okTimeSubscribes.size:{}",okTimeSubscribes.size());
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logger.debug("okSubscribes.size:{}",okSubscribes.size());
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logger.debug("errorTimeSubscribes.size:{}",errorTimeSubscribes.size());
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logger.debug("errorSubscribes.size:{}",errorSubscribes.size());
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}
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public interface Event { void response(EventResult eventResult) ;
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}
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/**
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*
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*/
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public enum EventResultType{
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// 超时
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timeout,
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// 回复
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response,
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// 事务已结束
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transactionTerminated,
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// 会话已结束
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dialogTerminated,
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// 设备未找到
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deviceNotFoundEvent
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}
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public static class EventResult<EventObject>{
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public int statusCode;
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public EventResultType type;
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public String msg;
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public String callId;
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public EventObject event;
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public EventResult(EventObject event) {
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this.event = event;
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if (event instanceof ResponseEvent) {
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ResponseEvent responseEvent = (ResponseEvent)event;
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Response response = responseEvent.getResponse();
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this.type = EventResultType.response;
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if (response != null) {
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this.msg = response.getReasonPhrase();
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this.statusCode = response.getStatusCode();
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}
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this.callId = ((CallIdHeader)response.getHeader(CallIdHeader.NAME)).getCallId();
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}else if (event instanceof TimeoutEvent) {
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TimeoutEvent timeoutEvent = (TimeoutEvent)event;
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this.type = EventResultType.timeout;
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this.msg = "消息超时未回复";
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this.statusCode = -1024;
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if (timeoutEvent.isServerTransaction()) {
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this.callId = ((SIPRequest)timeoutEvent.getServerTransaction().getRequest()).getCallIdHeader().getCallId();
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}else {
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this.callId = ((SIPRequest)timeoutEvent.getClientTransaction().getRequest()).getCallIdHeader().getCallId();
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}
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}else if (event instanceof TransactionTerminatedEvent) {
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TransactionTerminatedEvent transactionTerminatedEvent = (TransactionTerminatedEvent)event;
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this.type = EventResultType.transactionTerminated;
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this.msg = "事务已结束";
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this.statusCode = -1024;
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if (transactionTerminatedEvent.isServerTransaction()) {
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this.callId = ((SIPRequest)transactionTerminatedEvent.getServerTransaction().getRequest()).getCallIdHeader().getCallId();
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}else {
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this.callId = ((SIPRequest)transactionTerminatedEvent.getClientTransaction().getRequest()).getCallIdHeader().getCallId();
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}
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}else if (event instanceof DialogTerminatedEvent) {
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DialogTerminatedEvent dialogTerminatedEvent = (DialogTerminatedEvent)event;
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this.type = EventResultType.dialogTerminated;
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this.msg = "会话已结束";
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this.statusCode = -1024;
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this.callId = dialogTerminatedEvent.getDialog().getCallId().getCallId();
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}else if (event instanceof DeviceNotFoundEvent) {
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this.type = EventResultType.deviceNotFoundEvent;
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this.msg = "设备未找到";
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this.statusCode = -1024;
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this.callId = ((DeviceNotFoundEvent) event).getCallId();
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}
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}
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}
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public void addErrorSubscribe(String key, SipSubscribe.Event event) {
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errorSubscribes.put(key, event);
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errorTimeSubscribes.put(key, Instant.now());
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}
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public void addOkSubscribe(String key, SipSubscribe.Event event) {
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okSubscribes.put(key, event);
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okTimeSubscribes.put(key, Instant.now());
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}
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public SipSubscribe.Event getErrorSubscribe(String key) {
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return errorSubscribes.get(key);
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}
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public void removeErrorSubscribe(String key) {
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if(key == null){
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return;
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}
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errorSubscribes.remove(key);
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errorTimeSubscribes.remove(key);
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}
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public SipSubscribe.Event getOkSubscribe(String key) {
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return okSubscribes.get(key);
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}
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public void removeOkSubscribe(String key) {
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if(key == null){
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return;
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}
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okSubscribes.remove(key);
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okTimeSubscribes.remove(key);
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}
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public int getErrorSubscribesSize(){
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return errorSubscribes.size();
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}
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public int getOkSubscribesSize(){
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return okSubscribes.size();
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}
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}
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