package com.ard.gb28181.transmit.event.request.impl.message.response.cmd;
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import com.ard.gb28181.config.SipConfig;
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import com.ard.gb28181.api.domain.Device;
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import com.ard.gb28181.api.domain.DeviceChannel;
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import com.ard.gb28181.api.domain.GbCode;
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import com.ard.gb28181.api.domain.HandlerCatchData;
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import com.ard.gb28181.service.IDeviceChannelService;
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import com.ard.gb28181.transmit.event.request.SIPRequestProcessorParent;
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import com.ard.gb28181.transmit.event.request.impl.message.IMessageHandler;
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import com.ard.gb28181.transmit.event.request.impl.message.response.ResponseMessageHandler;
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import com.ard.gb28181.utils.Coordtransform;
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import gov.nist.javax.sip.message.SIPRequest;
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import lombok.extern.slf4j.Slf4j;
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import org.dom4j.DocumentException;
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import org.dom4j.Element;
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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.scheduling.annotation.Scheduled;
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import org.springframework.stereotype.Component;
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import org.springframework.transaction.annotation.Transactional;
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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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@Slf4j
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@Component
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public class CatalogResponseMessageHandler extends SIPRequestProcessorParent implements InitializingBean, IMessageHandler {
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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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@Autowired
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private SipConfig sipConfig;
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@Autowired
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private IDeviceChannelService deviceChannelService;
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private final ConcurrentLinkedQueue<HandlerCatchData> taskQueue = new ConcurrentLinkedQueue<>();
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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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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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log.error("[命令发送失败] 目录查询回复: {}", e.getMessage());
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}
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}
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@Scheduled(fixedDelay = 500)
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@Transactional
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public void executeTaskQueue() {
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if (taskQueue.isEmpty()) {
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return;
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}
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List<HandlerCatchData> handlerCatchDataList = new ArrayList<>();
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int size = taskQueue.size();
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for (int i = 0; i < size; i++) {
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HandlerCatchData poll = taskQueue.poll();
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if (poll != null) {
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handlerCatchDataList.add(poll);
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}
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}
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if (handlerCatchDataList.isEmpty()) {
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return;
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}
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for (HandlerCatchData take : handlerCatchDataList) {
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if (take == null) {
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continue;
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}
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RequestEvent evt = take.getEvt();
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int sn = 0;
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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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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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log.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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log.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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sn = Integer.parseInt(snElement.getText());
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int sumNum = Integer.parseInt(sumNumElement.getText());
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if (sumNum == 0) {
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log.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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deviceChannelService.cleanChannelsForDevice(take.getDevice().getDeviceId());
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return;
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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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// 总数减一， 避免最后总数不对 无法确定问题
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continue;
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}
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// 从xml解析内容到 DeviceChannel 对象
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DeviceChannel channel = DeviceChannel.decode(itemDevice);
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if (channel.getDeviceId() == null) {
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log.info("[收到目录订阅]：但是解析失败 {}", new String(evt.getRequest().getRawContent()));
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continue;
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}
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channel.setDataDeviceId(take.getDevice().getId());
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if (channel.getParentId() != null && channel.getParentId().equals(sipConfig.getId())) {
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channel.setParentId(null);
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}
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// 解析通道类型
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if (channel.getDeviceId().length() <= 8) {
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// 行政区划
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channel.setChannelType(1);
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} else if (channel.getDeviceId().length() == 20) {
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GbCode gbCode = GbCode.decode(channel.getDeviceId());
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if (gbCode != null && ("215".equals(gbCode.getTypeCode()) || "216".equals(gbCode.getTypeCode()))) {
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// 业务分组/虚拟组织
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channel.setParental(1);
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channel.setChannelType(2);
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}
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// 坐标转换（所有20位编码通道，含普通摄像头和业务分组）
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if (channel.getLongitude() != null && channel.getLatitude() != null && channel.getLongitude() > 0 && channel.getLatitude() > 0) {
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Double[] wgs84Position = Coordtransform.GCJ02ToWGS84(channel.getLongitude(), channel.getLatitude());
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channel.setGbLongitude(wgs84Position[0]);
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channel.setGbLatitude(wgs84Position[1]);
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}
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}
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channelList.add(channel);
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}
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deviceChannelService.updateChannels(take.getDevice(), channelList);
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// deviceChannelService.updateChannels(take.getDevice(), regionList);
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// deviceChannelService.updateChannels(take.getDevice(), groupList);
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log.info("[收到通道]设备: {} -> {}个，{}/{}", take.getDevice().getDeviceId(), channelList.size(), sn, sumNum);
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}
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}
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} catch (Exception e) {
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log.warn("[收到通道] 发现未处理的异常, \r\n{}", evt.getRequest());
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log.error("[收到通道] 异常内容： ", e);
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}
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}
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}
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}
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