package com.genersoft.iot.vmp.vmanager.streamProxy; 
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import com.alibaba.fastjson2.JSONObject; 
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import com.genersoft.iot.vmp.common.StreamInfo; 
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import com.genersoft.iot.vmp.conf.UserSetting; 
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import com.genersoft.iot.vmp.conf.exception.ControllerException; 
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import com.genersoft.iot.vmp.gb28181.transmit.callback.DeferredResultHolder; 
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import com.genersoft.iot.vmp.gb28181.transmit.callback.RequestMessage; 
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import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem; 
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import com.genersoft.iot.vmp.media.zlm.dto.StreamProxyItem; 
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import com.genersoft.iot.vmp.service.IMediaServerService; 
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import com.genersoft.iot.vmp.service.IStreamProxyService; 
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import com.genersoft.iot.vmp.vmanager.bean.ErrorCode; 
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import com.genersoft.iot.vmp.vmanager.bean.StreamContent; 
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import com.genersoft.iot.vmp.vmanager.bean.WVPResult; 
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import com.github.pagehelper.PageInfo; 
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import io.swagger.v3.oas.annotations.Operation; 
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import io.swagger.v3.oas.annotations.Parameter; 
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import io.swagger.v3.oas.annotations.tags.Tag; 
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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.stereotype.Controller; 
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import org.springframework.util.ObjectUtils; 
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import org.springframework.web.bind.annotation.*; 
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import org.springframework.web.context.request.async.DeferredResult; 
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import java.util.UUID; 
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@SuppressWarnings("rawtypes") 
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/** 
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 * 拉流代理接口 
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 */ 
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@Tag(name = "拉流代理", description = "") 
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@Controller 
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@RequestMapping(value = "/api/proxy") 
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public class StreamProxyController { 
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    private final static Logger logger = LoggerFactory.getLogger(StreamProxyController.class); 
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    @Autowired 
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    private IMediaServerService mediaServerService; 
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    @Autowired 
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    private IStreamProxyService streamProxyService; 
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    @Autowired 
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    private DeferredResultHolder resultHolder; 
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    @Autowired 
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    private UserSetting userSetting; 
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    @Operation(summary = "分页查询流代理") 
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    @Parameter(name = "page", description = "当前页") 
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    @Parameter(name = "count", description = "每页查询数量") 
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    @Parameter(name = "query", description = "查询内容") 
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    @Parameter(name = "online", description = "是否在线") 
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    @GetMapping(value = "/list") 
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    @ResponseBody 
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    public PageInfo<StreamProxyItem> list(@RequestParam(required = false)Integer page, 
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                                          @RequestParam(required = false)Integer count, 
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                                          @RequestParam(required = false)String query, 
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                                          @RequestParam(required = false)Boolean online ){ 
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        return streamProxyService.getAll(page, count); 
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    } 
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    @Operation(summary = "保存代理", parameters = { 
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            @Parameter(name = "param", description = "代理参数", required = true), 
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    }) 
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    @PostMapping(value = "/save") 
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    @ResponseBody 
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    public DeferredResult<Object> save(@RequestBody StreamProxyItem param){ 
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        logger.info("添加代理: " + JSONObject.toJSONString(param)); 
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        if (ObjectUtils.isEmpty(param.getMediaServerId())) { 
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            param.setMediaServerId("auto"); 
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        } 
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        if (ObjectUtils.isEmpty(param.getType())) { 
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            param.setType("default"); 
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        } 
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        if (ObjectUtils.isEmpty(param.getGbId())) { 
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            param.setGbId(null); 
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        } 
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        RequestMessage requestMessage = new RequestMessage(); 
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        String key = DeferredResultHolder.CALLBACK_CMD_PROXY + param.getApp() + param.getStream(); 
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        requestMessage.setKey(key); 
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        String uuid = UUID.randomUUID().toString(); 
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        requestMessage.setId(uuid); 
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        DeferredResult<Object> result = new DeferredResult<>(userSetting.getPlayTimeout().longValue()); 
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        // 录像查询以channelId作为deviceId查询 
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        resultHolder.put(key, uuid, result); 
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        result.onTimeout(()->{ 
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            WVPResult<StreamInfo> wvpResult = new WVPResult<>(); 
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            wvpResult.setCode(ErrorCode.ERROR100.getCode()); 
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            wvpResult.setMsg("超时"); 
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            requestMessage.setData(wvpResult); 
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            resultHolder.invokeAllResult(requestMessage); 
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        }); 
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        streamProxyService.save(param, (code, msg, streamInfo) -> { 
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            logger.info("[拉流代理] {}", code == ErrorCode.SUCCESS.getCode()? "成功":"失败: " + msg); 
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            if (code == ErrorCode.SUCCESS.getCode()) { 
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                requestMessage.setData(new StreamContent(streamInfo)); 
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            }else { 
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                requestMessage.setData(WVPResult.fail(code, msg)); 
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            } 
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            resultHolder.invokeAllResult(requestMessage); 
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        }); 
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        return result; 
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    } 
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    @GetMapping(value = "/ffmpeg_cmd/list") 
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    @ResponseBody 
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    @Operation(summary = "获取ffmpeg.cmd模板") 
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    @Parameter(name = "mediaServerId", description = "流媒体ID", required = true) 
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    public JSONObject getFFmpegCMDs(@RequestParam String mediaServerId){ 
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        logger.debug("获取节点[ {} ]ffmpeg.cmd模板", mediaServerId ); 
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        MediaServerItem mediaServerItem = mediaServerService.getOne(mediaServerId); 
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        if (mediaServerItem == null) { 
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            throw new ControllerException(ErrorCode.ERROR100.getCode(), "流媒体: " + mediaServerId + "未找到"); 
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        } 
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        return streamProxyService.getFFmpegCMDs(mediaServerItem); 
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    } 
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    @DeleteMapping(value = "/del") 
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    @ResponseBody 
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    @Operation(summary = "移除代理") 
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    @Parameter(name = "app", description = "应用名", required = true) 
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    @Parameter(name = "stream", description = "流id", required = true) 
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    public void del(@RequestParam String app, @RequestParam String stream){ 
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        logger.info("移除代理: " + app + "/" + stream); 
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        if (app == null || stream == null) { 
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            throw new ControllerException(ErrorCode.ERROR400.getCode(), app == null ?"app不能为null":"stream不能为null"); 
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        }else { 
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            streamProxyService.del(app, stream); 
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        } 
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    } 
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    @GetMapping(value = "/start") 
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    @ResponseBody 
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    @Operation(summary = "启用代理") 
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    @Parameter(name = "app", description = "应用名", required = true) 
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    @Parameter(name = "stream", description = "流id", required = true) 
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    public void start(String app, String stream){ 
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        logger.info("启用代理: " + app + "/" + stream); 
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        boolean result = streamProxyService.start(app, stream); 
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        if (!result) { 
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            throw new ControllerException(ErrorCode.ERROR100); 
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        } 
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    } 
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    @GetMapping(value = "/stop") 
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    @ResponseBody 
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    @Operation(summary = "停用代理") 
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    @Parameter(name = "app", description = "应用名", required = true) 
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    @Parameter(name = "stream", description = "流id", required = true) 
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    public void stop(String app, String stream){ 
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        logger.info("停用代理: " + app + "/" + stream); 
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        boolean result = streamProxyService.stop(app, stream); 
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        if (!result) { 
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            logger.info("停用代理失败: " + app + "/" + stream); 
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            throw new ControllerException(ErrorCode.ERROR100); 
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        } 
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    } 
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} 
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