xsx
3 years ago
17 changed files with 486 additions and 153 deletions
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package com.bx.implatform.service; |
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import com.bx.implatform.config.ICEServer; |
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import org.springframework.web.bind.annotation.RequestBody; |
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import java.util.List; |
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/** |
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* webrtc 通信服务 |
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* @author |
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*/ |
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public interface IWebrtcService { |
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void call(Long uid, String offer); |
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void accept( Long uid,@RequestBody String answer); |
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void reject( Long uid); |
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void cancel( Long uid); |
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void failed( Long uid, String reason); |
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void leave( Long uid) ; |
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void candidate( Long uid, String candidate); |
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List<ICEServer> getIceServers(); |
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} |
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package com.bx.implatform.service.impl; |
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import com.bx.imclient.IMClient; |
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import com.bx.imcommon.model.IMPrivateMessage; |
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import com.bx.imcommon.model.PrivateMessageInfo; |
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import com.bx.implatform.config.ICEServer; |
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import com.bx.implatform.config.ICEServerConfig; |
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import com.bx.implatform.contant.RedisKey; |
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import com.bx.implatform.enums.MessageType; |
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import com.bx.implatform.exception.GlobalException; |
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import com.bx.implatform.service.IWebrtcService; |
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import com.bx.implatform.session.SessionContext; |
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import com.bx.implatform.session.UserSession; |
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import com.bx.implatform.session.WebrtcSession; |
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import io.swagger.models.auth.In; |
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import lombok.extern.slf4j.Slf4j; |
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import org.springframework.beans.factory.annotation.Autowired; |
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import org.springframework.data.redis.core.RedisTemplate; |
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import org.springframework.stereotype.Service; |
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import org.springframework.web.bind.annotation.RequestBody; |
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import java.util.Collections; |
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import java.util.List; |
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import java.util.concurrent.TimeUnit; |
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@Slf4j |
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@Service |
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public class WebrtcServiceImpl implements IWebrtcService { |
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@Autowired |
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private IMClient imClient; |
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@Autowired |
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private RedisTemplate<String, Object> redisTemplate; |
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@Autowired |
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private ICEServerConfig iceServerConfig; |
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@Override |
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public void call(Long uid, String offer) { |
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UserSession session = SessionContext.getSession(); |
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if (!imClient.isOnline(uid)) { |
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throw new GlobalException("对方目前不在线"); |
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} |
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// 创建webrtc会话
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WebrtcSession webrtcSession = new WebrtcSession(); |
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webrtcSession.setCallerId(session.getUserId()); |
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webrtcSession.setCallerTerminal(session.getTerminal()); |
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String key = getSessionKey(session.getUserId(), uid); |
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redisTemplate.opsForValue().set(key, webrtcSession, 12, TimeUnit.HOURS); |
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// 向对方所有终端发起呼叫
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PrivateMessageInfo messageInfo = new PrivateMessageInfo(); |
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messageInfo.setType(MessageType.RTC_CALL.code()); |
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messageInfo.setRecvId(uid); |
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messageInfo.setSendId(session.getUserId()); |
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messageInfo.setContent(offer); |
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IMPrivateMessage<PrivateMessageInfo> sendMessage = new IMPrivateMessage<>(); |
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sendMessage.setSendId(session.getUserId()); |
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sendMessage.setSendTerminal(session.getTerminal()); |
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sendMessage.setRecvId(uid); |
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sendMessage.setSendToSelf(false); |
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sendMessage.setSendResult(false); |
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sendMessage.setDatas(Collections.singletonList(messageInfo)); |
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imClient.sendPrivateMessage(sendMessage); |
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} |
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@Override |
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public void accept(Long uid, @RequestBody String answer) { |
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UserSession session = SessionContext.getSession(); |
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// 查询webrtc会话
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WebrtcSession webrtcSession = getWebrtcSession(session.getUserId(), uid); |
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// 更新接受者信息
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webrtcSession.setAcceptorId(session.getUserId()); |
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webrtcSession.setAcceptorTerminal(session.getTerminal()); |
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String key = getSessionKey(session.getUserId(), uid); |
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redisTemplate.opsForValue().set(key, webrtcSession, 12, TimeUnit.HOURS); |
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// 向发起人推送接受通话信令
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PrivateMessageInfo messageInfo = new PrivateMessageInfo(); |
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messageInfo.setType(MessageType.RTC_ACCEPT.code()); |
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messageInfo.setRecvId(uid); |
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messageInfo.setSendId(session.getUserId()); |
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messageInfo.setContent(answer); |
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IMPrivateMessage<PrivateMessageInfo> sendMessage = new IMPrivateMessage<>(); |
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sendMessage.setSendId(session.getUserId()); |
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sendMessage.setSendTerminal(session.getTerminal()); |
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sendMessage.setRecvId(uid); |
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// 告知其他终端已经接受会话,中止呼叫
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sendMessage.setSendToSelf(true); |
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sendMessage.setSendResult(false); |
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sendMessage.setRecvTerminals((Collections.singletonList(webrtcSession.getCallerTerminal()))); |
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sendMessage.setDatas(Collections.singletonList(messageInfo)); |
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imClient.sendPrivateMessage(sendMessage); |
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} |
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@Override |
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public void reject(Long uid) { |
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UserSession session = SessionContext.getSession(); |
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// 查询webrtc会话
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WebrtcSession webrtcSession = getWebrtcSession(session.getUserId(), uid); |
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// 删除会话信息
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removeWebrtcSession(uid, session.getUserId()); |
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// 向发起人推送拒绝通话信令
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PrivateMessageInfo messageInfo = new PrivateMessageInfo(); |
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messageInfo.setType(MessageType.RTC_REJECT.code()); |
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messageInfo.setRecvId(uid); |
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messageInfo.setSendId(session.getUserId()); |
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IMPrivateMessage<PrivateMessageInfo> sendMessage = new IMPrivateMessage<>(); |
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sendMessage.setSendId(session.getUserId()); |
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sendMessage.setSendTerminal(session.getTerminal()); |
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sendMessage.setRecvId(uid); |
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// 告知其他终端已经拒绝会话,中止呼叫
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sendMessage.setSendToSelf(true); |
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sendMessage.setSendResult(false); |
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sendMessage.setRecvTerminals(Collections.singletonList(webrtcSession.getCallerTerminal())); |
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sendMessage.setDatas(Collections.singletonList(messageInfo)); |
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imClient.sendPrivateMessage(sendMessage); |
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} |
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@Override |
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public void cancel(Long uid) { |
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UserSession session = SessionContext.getSession(); |
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// 删除会话信息
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removeWebrtcSession(session.getUserId(), uid); |
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// 向对方所有终端推送取消通话信令
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PrivateMessageInfo messageInfo = new PrivateMessageInfo(); |
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messageInfo.setType(MessageType.RTC_ACCEPT.code()); |
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messageInfo.setRecvId(uid); |
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messageInfo.setSendId(session.getUserId()); |
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IMPrivateMessage<PrivateMessageInfo> sendMessage = new IMPrivateMessage<>(); |
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sendMessage.setSendId(session.getUserId()); |
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sendMessage.setSendTerminal(session.getTerminal()); |
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sendMessage.setRecvId(uid); |
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sendMessage.setSendToSelf(false); |
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sendMessage.setSendResult(false); |
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sendMessage.setDatas(Collections.singletonList(messageInfo)); |
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// 通知对方取消会话
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imClient.sendPrivateMessage(sendMessage); |
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} |
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@Override |
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public void failed(Long uid, String reason) { |
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UserSession session = SessionContext.getSession(); |
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// 查询webrtc会话
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WebrtcSession webrtcSession = getWebrtcSession(session.getUserId(), uid); |
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// 删除会话信息
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removeWebrtcSession(uid, session.getUserId()); |
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// 向发起方推送通话失败信令
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PrivateMessageInfo messageInfo = new PrivateMessageInfo(); |
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messageInfo.setType(MessageType.RTC_FAILED.code()); |
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messageInfo.setRecvId(uid); |
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messageInfo.setSendId(session.getUserId()); |
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IMPrivateMessage<PrivateMessageInfo> sendMessage = new IMPrivateMessage<>(); |
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sendMessage.setSendId(session.getUserId()); |
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sendMessage.setSendTerminal(session.getTerminal()); |
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sendMessage.setRecvId(uid); |
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// 告知其他终端已经会话失败,中止呼叫
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sendMessage.setSendToSelf(true); |
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sendMessage.setSendResult(false); |
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sendMessage.setRecvTerminals(Collections.singletonList(webrtcSession.getCallerTerminal())); |
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sendMessage.setDatas(Collections.singletonList(messageInfo)); |
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// 通知对方取消会话
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imClient.sendPrivateMessage(sendMessage); |
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} |
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@Override |
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public void leave(Long uid) { |
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UserSession session = SessionContext.getSession(); |
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// 查询webrtc会话
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WebrtcSession webrtcSession = getWebrtcSession(session.getUserId(), uid); |
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// 删除会话信息
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removeWebrtcSession(uid, session.getUserId()); |
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// 向对方推送挂断通话信令
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PrivateMessageInfo messageInfo = new PrivateMessageInfo(); |
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messageInfo.setType(MessageType.RTC_HANDUP.code()); |
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messageInfo.setRecvId(uid); |
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messageInfo.setSendId(session.getUserId()); |
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IMPrivateMessage<PrivateMessageInfo> sendMessage = new IMPrivateMessage<>(); |
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sendMessage.setSendId(session.getUserId()); |
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sendMessage.setSendTerminal(session.getTerminal()); |
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sendMessage.setRecvId(uid); |
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sendMessage.setSendToSelf(false); |
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sendMessage.setSendResult(false); |
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Integer terminal = getTerminalType(uid, webrtcSession); |
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sendMessage.setRecvTerminals(Collections.singletonList(terminal)); |
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sendMessage.setDatas(Collections.singletonList(messageInfo)); |
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// 通知对方取消会话
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imClient.sendPrivateMessage(sendMessage); |
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} |
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@Override |
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public void candidate(Long uid, String candidate) { |
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UserSession session = SessionContext.getSession(); |
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// 查询webrtc会话
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WebrtcSession webrtcSession = getWebrtcSession(session.getUserId(), uid); |
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// 向发起方推送同步candidate信令
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PrivateMessageInfo messageInfo = new PrivateMessageInfo(); |
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messageInfo.setType(MessageType.RTC_CANDIDATE.code()); |
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messageInfo.setRecvId(uid); |
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messageInfo.setSendId(session.getUserId()); |
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messageInfo.setContent(candidate); |
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IMPrivateMessage<PrivateMessageInfo> sendMessage = new IMPrivateMessage<>(); |
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sendMessage.setSendId(session.getUserId()); |
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sendMessage.setSendTerminal(session.getTerminal()); |
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sendMessage.setRecvId(uid); |
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sendMessage.setSendToSelf(false); |
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sendMessage.setSendResult(false); |
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Integer terminal = getTerminalType(uid, webrtcSession); |
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sendMessage.setRecvTerminals(Collections.singletonList(terminal)); |
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sendMessage.setDatas(Collections.singletonList(messageInfo)); |
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imClient.sendPrivateMessage(sendMessage); |
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} |
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@Override |
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public List<ICEServer> getIceServers() { |
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return iceServerConfig.getIceServers(); |
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} |
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private WebrtcSession getWebrtcSession(Long userId, Long uid) { |
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String key = getSessionKey(userId, uid); |
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WebrtcSession webrtcSession = (WebrtcSession)redisTemplate.opsForValue().get(key); |
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if (webrtcSession == null) { |
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throw new GlobalException("视频通话已结束"); |
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} |
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return webrtcSession; |
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} |
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private void removeWebrtcSession(Long userId, Long uid) { |
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String key = getSessionKey(userId, uid); |
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redisTemplate.delete(key); |
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} |
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private String getSessionKey(Long id1, Long id2) { |
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Long minId = id1 > id2 ? id2 : id1; |
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Long maxId = id1 > id2 ? id1 : id2; |
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return String.join(":", RedisKey.IM_WEBRTC_SESSION, minId.toString(), maxId.toString()); |
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} |
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private Integer getTerminalType(Long uid, WebrtcSession webrtcSession) { |
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if (uid.equals(webrtcSession.getCallerId())) { |
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return webrtcSession.getCallerTerminal(); |
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} |
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return webrtcSession.getAcceptorTerminal(); |
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} |
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} |
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@ -0,0 +1,32 @@ |
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package com.bx.implatform.session; |
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import com.bx.imcommon.enums.IMTerminalType; |
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import io.swagger.models.auth.In; |
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import lombok.Data; |
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/* |
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* webrtc 会话信息 |
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* @Author Blue |
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* @Date 2022/10/21 |
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*/ |
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@Data |
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public class WebrtcSession { |
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/** |
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* 发起者id |
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*/ |
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private Long callerId; |
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/** |
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* 发起者终端类型 |
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*/ |
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private Integer callerTerminal; |
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/** |
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* 接受者id |
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*/ |
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private Long acceptorId; |
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/** |
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* 接受者终端类型 |
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*/ |
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private Integer acceptorTerminal; |
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} |
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