Shikong/gb28181-docking-platform-mocking
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新增根据 指定时间范围的 recordInfo 查询, 预下载视频文件到本地指定路径

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shikong 2024-02-06 15:51:38 +08:00
parent 67f48ad730
commit 92fb1555fd
1 changed files with 57 additions and 70 deletions
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127
gb28181-mocking-service/src/main/java/cn/skcks/docking/gb28181/mocking/core/sip/service/VideoCacheManager.java
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@ -4,25 +4,22 @@ import cn.hutool.core.date.DatePattern;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.io.IoUtil;
import cn.hutool.core.net.url.UrlBuilder;
import cn.skcks.docking.gb28181.common.json.JsonException;
import cn.skcks.docking.gb28181.common.json.JsonResponse;
import cn.skcks.docking.gb28181.mocking.config.sip.DeviceProxyConfig;
import cn.skcks.docking.gb28181.mocking.core.sip.executor.MockingExecutor;
import jakarta.annotation.PostConstruct;
import lombok.RequiredArgsConstructor;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.apache.hc.client5.http.async.methods.SimpleHttpRequest;
import org.apache.hc.client5.http.async.methods.SimpleHttpResponse;
import org.apache.hc.client5.http.async.methods.SimpleRequestBuilder;
import org.apache.hc.client5.http.impl.async.CloseableHttpAsyncClient;
import org.apache.hc.client5.http.impl.async.HttpAsyncClients;
import org.apache.hc.core5.concurrent.FutureCallback;
import org.apache.hc.client5.http.classic.methods.HttpGet;
import org.apache.hc.client5.http.config.ConnectionConfig;
import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
import org.apache.hc.client5.http.impl.classic.HttpClients;
import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
@ -30,10 +27,7 @@ import java.nio.channels.FileChannel;
import java.nio.channels.FileLock;
import java.nio.file.Paths;
import java.util.Date;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.Executor;
import java.util.concurrent.*;
@Slf4j
@Service
@ -46,6 +40,16 @@ public class VideoCacheManager {
private final ConcurrentMap<String, CompletableFuture<JsonResponse<String>>> tasks = new ConcurrentHashMap<>();
private final PoolingHttpClientConnectionManager manager = new PoolingHttpClientConnectionManager();
@PostConstruct
private void init(){
manager.setDefaultConnectionConfig(
ConnectionConfig.custom()
.setConnectTimeout(5, TimeUnit.MINUTES)
.build());
}
public String dateFormat(Date date){
return DateUtil.format(date, DatePattern.PURE_DATETIME_PATTERN);
}
@ -54,16 +58,13 @@ public class VideoCacheManager {
return StringUtils.joinWith("-", deviceCode, dateFormat(startTime), dateFormat(endTime));
}
@Async(MockingExecutor.EXECUTOR_BEAN_NAME)
public void addTask(String deviceCode, Date startTime, Date endTime){
String name = fileName(deviceCode, startTime, endTime);
if(tasks.get(name) != null){
return;
}
CompletableFuture<JsonResponse<String>> future = new CompletableFuture<>();
tasks.put(name, future);
downloadVideo(deviceCode,startTime,endTime, future);
tasks.put(name, downloadVideo(deviceCode,startTime,endTime));
}
public CompletableFuture<JsonResponse<String>> get(String deviceCode, Date startTime, Date endTime){
@ -72,60 +73,46 @@ public class VideoCacheManager {
}
@SneakyThrows
@Async(MockingExecutor.EXECUTOR_BEAN_NAME)
protected void downloadVideo(String deviceCode, Date startTime, Date endTime, CompletableFuture<JsonResponse<String>> future) {
final String url = UrlBuilder.of(deviceProxyConfig.getUrl())
.addPath("video")
.addQuery("device_id", deviceCode)
.addQuery("begin_time", dateFormat(startTime))
.addQuery("end_time", dateFormat(endTime))
.addQuery("useDownload", true).build();
File file = Paths.get(deviceProxyConfig.getPreDownloadForRecordInfo().getCachePath(),fileName(deviceCode, startTime, endTime) + ".mp4.tmp").toFile();
log.info("文件存储路径 => {}", file.getAbsolutePath());
log.info("文件 {}, 是否存在: {}", file.getAbsolutePath(), file.exists());
protected CompletableFuture<JsonResponse<String>> downloadVideo(String deviceCode, Date startTime, Date endTime) {
return CompletableFuture.supplyAsync(()->{
final String url = UrlBuilder.of(deviceProxyConfig.getUrl())
.addPath("video")
.addQuery("device_id", deviceCode)
.addQuery("begin_time", dateFormat(startTime))
.addQuery("end_time", dateFormat(endTime))
.addQuery("useDownload", true).build();
File file = Paths.get(deviceProxyConfig.getPreDownloadForRecordInfo().getCachePath(),fileName(deviceCode, startTime, endTime) + ".mp4.tmp").toFile();
log.info("文件存储路径 => {}", file.getAbsolutePath());
log.info("文件 {}, 是否存在: {}", file.getAbsolutePath(), file.exists());
if(file.exists()){
file.delete();
log.info("删除已存但未完成下载的文件 => {}", file.getAbsolutePath());
}
try (FileOutputStream outputStream = new FileOutputStream(file)) {
FileChannel channel = outputStream.getChannel();
FileLock lock = channel.lock();
try (CloseableHttpAsyncClient asyncClient = HttpAsyncClients.custom().build()) {
asyncClient.start();
SimpleHttpRequest request = SimpleRequestBuilder.get(url).build();
asyncClient.execute(request, new FutureCallback<>() {
@SneakyThrows
@Override
public void completed(SimpleHttpResponse response) {
InputStream inputStream = new ByteArrayInputStream(response.getBodyBytes());
IoUtil.copy(inputStream, outputStream);
log.info("视频下载完成 => {}", file.getAbsolutePath());
log.info("文件 {}, 是否存在: {}", file.getAbsolutePath(), file.exists());
File realFile = Paths.get(deviceProxyConfig.getPreDownloadForRecordInfo().getCachePath(),fileName(deviceCode, startTime, endTime) + ".mp4").toFile();
file.renameTo(realFile);
lock.release();
future.complete(JsonResponse.success(file.getAbsolutePath()));
}
@SneakyThrows
@Override
public void failed(Exception ex) {
log.info("视频下载失败 => {}, {}", file.getAbsolutePath(), url);
lock.release();
future.completeExceptionally(ex);
}
@SneakyThrows
@Override
public void cancelled() {
lock.release();
future.completeExceptionally(new JsonException("视频下载失败"));
}
});
if(file.exists()){
file.delete();
log.info("删除已存但未完成下载的文件 => {}", file.getAbsolutePath());
}
}
try (FileOutputStream outputStream = new FileOutputStream(file)) {
FileChannel channel = outputStream.getChannel();
FileLock lock = channel.lock();
try (CloseableHttpClient client = HttpClients.custom().setConnectionManager(manager).build()) {
HttpGet httpGet = new HttpGet(url);
client.execute(httpGet, response -> {
InputStream stream = response.getEntity().getContent();
IoUtil.copy(stream,outputStream);
return stream;
});
log.info("视频下载完成 => {}", file.getAbsolutePath());
log.info("文件 {}, 是否存在: {}", file.getAbsolutePath(), file.exists());
File realFile = Paths.get(deviceProxyConfig.getPreDownloadForRecordInfo().getCachePath(),fileName(deviceCode, startTime, endTime) + ".mp4").toFile();
file.renameTo(realFile);
lock.release();
return JsonResponse.success(realFile.getAbsolutePath());
}
} catch (Exception e) {
log.error("视频下载失败 => {}", e.getMessage());
file.delete();
return JsonResponse.error(e.getMessage());
}
},executor);
}
}