package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message;
|
|
import com.genersoft.iot.vmp.gb28181.bean.Device;
|
import com.genersoft.iot.vmp.gb28181.bean.DeviceNotFoundEvent;
|
import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform;
|
import com.genersoft.iot.vmp.gb28181.bean.SsrcTransaction;
|
import com.genersoft.iot.vmp.gb28181.event.SipSubscribe;
|
import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager;
|
import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver;
|
import com.genersoft.iot.vmp.gb28181.transmit.event.request.ISIPRequestProcessor;
|
import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
|
import com.genersoft.iot.vmp.gb28181.utils.SipUtils;
|
import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
|
import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
|
import gov.nist.javax.sip.message.SIPRequest;
|
import org.dom4j.DocumentException;
|
import org.dom4j.Element;
|
import org.slf4j.Logger;
|
import org.slf4j.LoggerFactory;
|
import org.springframework.beans.factory.InitializingBean;
|
import org.springframework.beans.factory.annotation.Autowired;
|
import org.springframework.stereotype.Component;
|
|
import javax.sip.InvalidArgumentException;
|
import javax.sip.RequestEvent;
|
import javax.sip.SipException;
|
import javax.sip.header.CallIdHeader;
|
import javax.sip.message.Response;
|
import java.text.ParseException;
|
import java.util.Map;
|
import java.util.concurrent.ConcurrentHashMap;
|
|
@Component
|
public class MessageRequestProcessor extends SIPRequestProcessorParent implements InitializingBean, ISIPRequestProcessor {
|
|
private final static Logger logger = LoggerFactory.getLogger(MessageRequestProcessor.class);
|
|
private final String method = "MESSAGE";
|
|
private static Map<String, IMessageHandler> messageHandlerMap = new ConcurrentHashMap<>();
|
|
@Autowired
|
private SIPProcessorObserver sipProcessorObserver;
|
|
@Autowired
|
private IVideoManagerStorage storage;
|
|
@Autowired
|
private SipSubscribe sipSubscribe;
|
|
@Autowired
|
private IRedisCatchStorage redisCatchStorage;
|
|
@Autowired
|
private VideoStreamSessionManager sessionManager;
|
|
@Override
|
public void afterPropertiesSet() throws Exception {
|
// 添加消息处理的订阅
|
sipProcessorObserver.addRequestProcessor(method, this);
|
}
|
|
public void addHandler(String name, IMessageHandler handler) {
|
messageHandlerMap.put(name, handler);
|
}
|
|
@Override
|
public void process(RequestEvent evt) {
|
SIPRequest sipRequest = (SIPRequest)evt.getRequest();
|
// logger.info("接收到消息：" + evt.getRequest());
|
String deviceId = SipUtils.getUserIdFromFromHeader(evt.getRequest());
|
CallIdHeader callIdHeader = sipRequest.getCallIdHeader();
|
// 先从会话内查找
|
SsrcTransaction ssrcTransaction = sessionManager.getSsrcTransaction(null, null, callIdHeader.getCallId(), null);
|
// 兼容海康 媒体通知 消息from字段不是设备ID的问题
|
if (ssrcTransaction != null) {
|
deviceId = ssrcTransaction.getDeviceId();
|
}
|
SIPRequest request = (SIPRequest) evt.getRequest();
|
// 查询设备是否存在
|
Device device = redisCatchStorage.getDevice(deviceId);
|
// 查询上级平台是否存在
|
ParentPlatform parentPlatform = storage.queryParentPlatByServerGBId(deviceId);
|
try {
|
if (device != null && parentPlatform != null) {
|
String hostAddress = request.getRemoteAddress().getHostAddress();
|
int remotePort = request.getRemotePort();
|
if (device.getHostAddress().equals(hostAddress + ":" + remotePort)) {
|
parentPlatform = null;
|
}else {
|
device = null;
|
}
|
}
|
if (device == null && parentPlatform == null) {
|
// 不存在则回复404
|
responseAck(request, Response.NOT_FOUND, "device "+ deviceId +" not found");
|
logger.warn("[设备未找到 ]deviceId: {}, callId: {}", deviceId, callIdHeader.getCallId());
|
if (sipSubscribe.getErrorSubscribe(callIdHeader.getCallId()) != null){
|
DeviceNotFoundEvent deviceNotFoundEvent = new DeviceNotFoundEvent(evt.getDialog());
|
deviceNotFoundEvent.setCallId(callIdHeader.getCallId());
|
SipSubscribe.EventResult eventResult = new SipSubscribe.EventResult(deviceNotFoundEvent);
|
sipSubscribe.getErrorSubscribe(callIdHeader.getCallId()).response(eventResult);
|
};
|
}else {
|
Element rootElement = null;
|
try {
|
rootElement = getRootElement(evt);
|
if (rootElement == null) {
|
logger.error("处理MESSAGE请求 未获取到消息体{}", evt.getRequest());
|
responseAck(request, Response.BAD_REQUEST, "content is null");
|
return;
|
}
|
} catch (DocumentException e) {
|
logger.warn("解析XML消息内容异常", e);
|
// 不存在则回复404
|
responseAck(request, Response.BAD_REQUEST, e.getMessage());
|
}
|
String name = rootElement.getName();
|
IMessageHandler messageHandler = messageHandlerMap.get(name);
|
if (messageHandler != null) {
|
if (device != null) {
|
messageHandler.handForDevice(evt, device, rootElement);
|
}else { // 由于上面已经判断都为null则直接返回，所以这里device和parentPlatform必有一个不为null
|
messageHandler.handForPlatform(evt, parentPlatform, rootElement);
|
}
|
}else {
|
// 不支持的message
|
// 不存在则回复415
|
responseAck(request, Response.UNSUPPORTED_MEDIA_TYPE, "Unsupported message type, must Control/Notify/Query/Response");
|
}
|
}
|
} catch (SipException e) {
|
logger.warn("SIP 回复错误", e);
|
} catch (InvalidArgumentException e) {
|
logger.warn("参数无效", e);
|
} catch (ParseException e) {
|
logger.warn("SIP回复时解析异常", e);
|
}
|
}
|
|
|
}
|
