package com.genersoft.iot.vmp.gb28181.transmit.cmd;
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import java.text.ParseException;
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import java.util.ArrayList;
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import javax.sip.InvalidArgumentException;
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import javax.sip.address.Address;
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import javax.sip.address.SipURI;
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import javax.sip.header.CSeqHeader;
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import javax.sip.header.CallIdHeader;
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import javax.sip.header.ContentTypeHeader;
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import javax.sip.header.FromHeader;
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import javax.sip.header.MaxForwardsHeader;
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import javax.sip.header.ToHeader;
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import javax.sip.header.ViaHeader;
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import javax.sip.message.Request;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import com.genersoft.iot.vmp.conf.SipConfig;
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import com.genersoft.iot.vmp.gb28181.SipLayer;
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import com.genersoft.iot.vmp.gb28181.bean.Device;
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import com.genersoft.iot.vmp.gb28181.bean.Host;
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/**
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* @Description:TODO(这里用一句话描述这个类的作用)
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* @author: songww
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* @date: 2020年5月6日 上午9:29:02
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*/
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@Component
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public class SIPRequestHeaderProvider {
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@Autowired
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private SipLayer layer;
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@Autowired
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private SipConfig sipConfig;
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public Request createMessageRequest(Device device, String content, String viaTag, String fromTag, String toTag) throws ParseException, InvalidArgumentException {
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Request request = null;
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Host host = device.getHost();
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// sipuri
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SipURI requestURI = layer.getAddressFactory().createSipURI(device.getDeviceId(), host.getAddress());
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// via
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ArrayList<ViaHeader> viaHeaders = new ArrayList<ViaHeader>();
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ViaHeader viaHeader = layer.getHeaderFactory().createViaHeader(sipConfig.getSipIp(), sipConfig.getSipPort(),
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device.getTransport(), viaTag);
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viaHeaders.add(viaHeader);
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// from
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SipURI fromSipURI = layer.getAddressFactory().createSipURI(device.getDeviceId(),
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sipConfig.getSipIp() + ":" + sipConfig.getSipPort());
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Address fromAddress = layer.getAddressFactory().createAddress(fromSipURI);
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FromHeader fromHeader = layer.getHeaderFactory().createFromHeader(fromAddress, fromTag);
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// to
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SipURI toSipURI = layer.getAddressFactory().createSipURI(device.getDeviceId(), host.getAddress());
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Address toAddress = layer.getAddressFactory().createAddress(toSipURI);
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ToHeader toHeader = layer.getHeaderFactory().createToHeader(toAddress, toTag);
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// callid
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CallIdHeader callIdHeader = device.getTransport().equals("TCP") ? layer.getTcpSipProvider().getNewCallId()
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: layer.getUdpSipProvider().getNewCallId();
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// Forwards
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MaxForwardsHeader maxForwards = layer.getHeaderFactory().createMaxForwardsHeader(70);
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// ceq
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CSeqHeader cSeqHeader = layer.getHeaderFactory().createCSeqHeader(1L, Request.MESSAGE);
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request = layer.getMessageFactory().createRequest(requestURI, Request.MESSAGE, callIdHeader, cSeqHeader, fromHeader,
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toHeader, viaHeaders, maxForwards);
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ContentTypeHeader contentTypeHeader = layer.getHeaderFactory().createContentTypeHeader("Application", "MANSCDP+xml");
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request.setContent(content, contentTypeHeader);
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return request;
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}
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public Request createInviteRequest(Device device, String content, String viaTag, String fromTag, String toTag) throws ParseException, InvalidArgumentException {
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Request request = null;
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Host host = device.getHost();
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//请求行
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SipURI requestLine = layer.getAddressFactory().createSipURI(device.getDeviceId(), host.getAddress());
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//via
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ArrayList<ViaHeader> viaHeaders = new ArrayList<ViaHeader>();
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ViaHeader viaHeader = layer.getHeaderFactory().createViaHeader(sipConfig.getSipIp(), sipConfig.getSipPort(), device.getTransport(), viaTag);
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viaHeader.setRPort();
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viaHeaders.add(viaHeader);
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//from
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SipURI fromSipURI = layer.getAddressFactory().createSipURI(device.getDeviceId(),sipConfig.getSipIp()+":"+sipConfig.getSipPort());
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Address fromAddress = layer.getAddressFactory().createAddress(fromSipURI);
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FromHeader fromHeader = layer.getHeaderFactory().createFromHeader(fromAddress, fromTag); //必须要有标记，否则无法创建会话，无法回应ack
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//to
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SipURI toSipURI = layer.getAddressFactory().createSipURI(device.getDeviceId(),host.getAddress());
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Address toAddress = layer.getAddressFactory().createAddress(toSipURI);
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ToHeader toHeader = layer.getHeaderFactory().createToHeader(toAddress,null);
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//callid
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CallIdHeader callIdHeader = null;
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if(device.getTransport().equals("TCP")) {
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callIdHeader = layer.getTcpSipProvider().getNewCallId();
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}
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if(device.getTransport().equals("UDP")) {
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callIdHeader = layer.getUdpSipProvider().getNewCallId();
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}
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//Forwards
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MaxForwardsHeader maxForwards = layer.getHeaderFactory().createMaxForwardsHeader(70);
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//ceq
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CSeqHeader cSeqHeader = layer.getHeaderFactory().createCSeqHeader(1L, Request.INVITE);
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request = layer.getMessageFactory().createRequest(requestLine, Request.INVITE, callIdHeader, cSeqHeader,fromHeader, toHeader, viaHeaders, maxForwards);
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ContentTypeHeader contentTypeHeader = layer.getHeaderFactory().createContentTypeHeader("Application", "SDP");
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request.setContent(content, contentTypeHeader);
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return request;
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}
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}
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