package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.response.cmd;
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import com.genersoft.iot.vmp.gb28181.bean.*;
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import com.genersoft.iot.vmp.gb28181.session.CatalogDataCatch;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.IMessageHandler;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.response.ResponseMessageHandler;
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import com.genersoft.iot.vmp.gb28181.utils.SipUtils;
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import com.genersoft.iot.vmp.gb28181.utils.XmlUtil;
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import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
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import gov.nist.javax.sip.message.SIPRequest;
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import org.dom4j.DocumentException;
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import org.dom4j.Element;
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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.InitializingBean;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Qualifier;
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import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
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import org.springframework.stereotype.Component;
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import javax.sip.InvalidArgumentException;
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import javax.sip.RequestEvent;
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import javax.sip.SipException;
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import javax.sip.message.Response;
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import java.text.ParseException;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import java.util.concurrent.ConcurrentLinkedQueue;
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/**
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* 目录查询的回复
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*/
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@Component
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public class CatalogResponseMessageHandler extends SIPRequestProcessorParent implements InitializingBean, IMessageHandler {
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private Logger logger = LoggerFactory.getLogger(CatalogResponseMessageHandler.class);
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private final String cmdType = "Catalog";
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@Autowired
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private ResponseMessageHandler responseMessageHandler;
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private final ConcurrentLinkedQueue<HandlerCatchData> taskQueue = new ConcurrentLinkedQueue<>();
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@Autowired
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private IVideoManagerStorage storager;
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@Autowired
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private CatalogDataCatch catalogDataCatch;
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@Qualifier("taskExecutor")
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@Autowired
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private ThreadPoolTaskExecutor taskExecutor;
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@Override
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public void afterPropertiesSet() throws Exception {
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responseMessageHandler.addHandler(cmdType, this);
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}
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@Override
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public void handForDevice(RequestEvent evt, Device device, Element element) {
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boolean isEmpty = taskQueue.isEmpty();
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taskQueue.offer(new HandlerCatchData(evt, device, element));
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// 回复200 OK
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try {
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responseAck((SIPRequest) evt.getRequest(), Response.OK);
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} catch (SipException | InvalidArgumentException | ParseException e) {
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logger.error("[命令发送失败] 目录查询回复: {}", e.getMessage());
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}
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// 如果不为空则说明已经开启消息处理
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if (isEmpty) {
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taskExecutor.execute(() -> {
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while (!taskQueue.isEmpty()) {
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// 全局异常捕获，保证下一条可以得到处理
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try {
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HandlerCatchData take = taskQueue.poll();
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Element rootElement = null;
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try {
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rootElement = getRootElement(take.getEvt(), take.getDevice().getCharset());
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} catch (DocumentException e) {
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logger.error("[xml解析] 失败： ", e);
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continue;
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}
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if (rootElement == null) {
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logger.warn("[ 收到通道 ] content cannot be null, {}", evt.getRequest());
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continue;
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}
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Element deviceListElement = rootElement.element("DeviceList");
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Element sumNumElement = rootElement.element("SumNum");
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Element snElement = rootElement.element("SN");
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int sumNum = Integer.parseInt(sumNumElement.getText());
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if (sumNum == 0) {
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logger.info("[收到通道]设备:{}的: 0个", take.getDevice().getDeviceId());
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// 数据已经完整接收
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storager.cleanChannelsForDevice(take.getDevice().getDeviceId());
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catalogDataCatch.setChannelSyncEnd(take.getDevice().getDeviceId(), null);
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} else {
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Iterator<Element> deviceListIterator = deviceListElement.elementIterator();
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if (deviceListIterator != null) {
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List<DeviceChannel> channelList = new ArrayList<>();
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// 遍历DeviceList
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while (deviceListIterator.hasNext()) {
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Element itemDevice = deviceListIterator.next();
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Element channelDeviceElement = itemDevice.element("DeviceID");
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if (channelDeviceElement == null) {
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continue;
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}
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DeviceChannel deviceChannel = XmlUtil.channelContentHander(itemDevice, device, null);
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deviceChannel = SipUtils.updateGps(deviceChannel, device.getGeoCoordSys());
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deviceChannel.setDeviceId(take.getDevice().getDeviceId());
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channelList.add(deviceChannel);
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}
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int sn = Integer.parseInt(snElement.getText());
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catalogDataCatch.put(take.getDevice().getDeviceId(), sn, sumNum, take.getDevice(), channelList);
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logger.info("[收到通道]设备: {} -> {}个，{}/{}", take.getDevice().getDeviceId(), channelList.size(), catalogDataCatch.get(take.getDevice().getDeviceId()) == null ? 0 : catalogDataCatch.get(take.getDevice().getDeviceId()).size(), sumNum);
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if (catalogDataCatch.get(take.getDevice().getDeviceId()).size() == sumNum) {
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// 数据已经完整接收， 此时可能存在某个设备离线变上线的情况，但是考虑到性能，此处不做处理，
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// 目前支持设备通道上线通知时和设备上线时向上级通知
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boolean resetChannelsResult = storager.resetChannels(take.getDevice().getDeviceId(), catalogDataCatch.get(take.getDevice().getDeviceId()));
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if (!resetChannelsResult) {
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String errorMsg = "接收成功，写入失败，共" + sumNum + "条，已接收" + catalogDataCatch.get(take.getDevice().getDeviceId()).size() + "条";
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catalogDataCatch.setChannelSyncEnd(take.getDevice().getDeviceId(), errorMsg);
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} else {
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catalogDataCatch.setChannelSyncEnd(take.getDevice().getDeviceId(), null);
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}
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}
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}
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}
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}catch (Exception e) {
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logger.warn("[收到通道] 发现未处理的异常, {}\r\n{}",e.getMessage(), evt.getRequest());
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}
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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 handForPlatform(RequestEvent evt, ParentPlatform parentPlatform, Element rootElement) {
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}
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public SyncStatus getChannelSyncProgress(String deviceId) {
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if (catalogDataCatch.get(deviceId) == null) {
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return null;
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} else {
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return catalogDataCatch.getSyncStatus(deviceId);
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}
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}
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public boolean isSyncRunning(String deviceId) {
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if (catalogDataCatch.get(deviceId) == null) {
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return false;
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} else {
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return catalogDataCatch.isSyncRunning(deviceId);
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}
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}
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public void setChannelSyncReady(Device device, int sn) {
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catalogDataCatch.addReady(device, sn);
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}
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public void setChannelSyncEnd(String deviceId, String errorMsg) {
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catalogDataCatch.setChannelSyncEnd(deviceId, errorMsg);
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}
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}
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