package com.genersoft.iot.vmp.media.zlm;
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import com.alibaba.fastjson.JSONObject;
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import com.genersoft.iot.vmp.gb28181.bean.SendRtpItem;
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import com.genersoft.iot.vmp.gb28181.session.SsrcUtil;
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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.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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import java.util.HashMap;
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import java.util.Map;
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@Component
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public class ZLMRTPServerFactory {
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private Logger logger = LoggerFactory.getLogger("ZLMRTPServerFactory");
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@Value("${media.rtp.udpPortRange}")
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private String udpPortRange;
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@Autowired
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private ZLMRESTfulUtils zlmresTfulUtils;
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private int[] udpPortRangeArray = new int[2];
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private int currentPort = 0;
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public int createRTPServer(String streamId) {
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Map<String, Object> param = new HashMap<>();
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int result = -1;
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int newPort = getPortFromUdpPortRange();
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param.put("port", newPort);
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param.put("enable_tcp", 1);
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param.put("stream_id", streamId);
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JSONObject jsonObject = zlmresTfulUtils.openRtpServer(param);
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System.out.println(jsonObject);
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if (jsonObject != null) {
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switch (jsonObject.getInteger("code")){
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case 0:
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result= newPort;
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break;
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case -300: // id已经存在
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result = newPort;
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break;
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case -400: // 端口占用
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result= createRTPServer(streamId);
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break;
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default:
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logger.error("创建RTP Server 失败: " + jsonObject.getString("msg"));
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break;
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}
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}else {
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// 检查ZLM状态
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logger.error("创建RTP Server 失败: 请检查ZLM服务");
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}
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return result;
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}
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public boolean closeRTPServer(String streamId) {
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boolean result = false;
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Map<String, Object> param = new HashMap<>();
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param.put("stream_id", streamId);
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JSONObject jsonObject = zlmresTfulUtils.closeRtpServer(param);
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if (jsonObject != null ) {
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if (jsonObject.getInteger("code") == 0) {
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result = jsonObject.getInteger("hit") == 1;
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}else {
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logger.error("关闭RTP Server 失败: " + jsonObject.getString("msg"));
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}
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}else {
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// 检查ZLM状态
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logger.error("关闭RTP Server 失败: 请检查ZLM服务");
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}
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return result;
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}
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private int getPortFromUdpPortRange() {
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if (currentPort == 0) {
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String[] udpPortRangeStrArray = udpPortRange.split(",");
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udpPortRangeArray[0] = Integer.parseInt(udpPortRangeStrArray[0]);
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udpPortRangeArray[1] = Integer.parseInt(udpPortRangeStrArray[1]);
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}
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if (currentPort == 0 || currentPort++ > udpPortRangeArray[1]) {
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currentPort = udpPortRangeArray[0];
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return udpPortRangeArray[0];
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} else {
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if (currentPort % 2 == 1) {
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currentPort++;
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}
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return currentPort++;
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}
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}
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/**
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* 创建一个推流
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* @param ip 推流ip
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* @param port 推流端口
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* @param ssrc 推流唯一标识
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* @param platformId 平台id
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* @param channelId 通道id
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* @param tcp 是否为tcp
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* @return SendRtpItem
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*/
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public SendRtpItem createSendRtpItem(String ip, int port, String ssrc, String platformId, String channelId, boolean tcp){
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String playSsrc = SsrcUtil.getPlaySsrc();
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int localPort = createRTPServer(SsrcUtil.getPlaySsrc());
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if (localPort != -1) {
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closeRTPServer(playSsrc);
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}else {
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logger.error("没有可用的端口");
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return null;
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}
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SendRtpItem sendRtpItem = new SendRtpItem();
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sendRtpItem.setIp(ip);
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sendRtpItem.setPort(port);
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sendRtpItem.setSsrc(ssrc);
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sendRtpItem.setPlatformId(platformId);
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sendRtpItem.setChannelId(channelId);
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sendRtpItem.setTcp(tcp);
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sendRtpItem.setLocalPort(localPort);
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return sendRtpItem;
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}
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}
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