dongge
/
AndroidCatVodSpider
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

多线程内存分割

This commit is contained in:
“lushunming” 2025-07-06 14:42:35 +08:00
parent e41998b0c5
commit 272d9db20c
4 changed files with 66 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

93
app/src/main/java/com/github/catvod/utils/ProxyVideo.java
View File

@ -7,6 +7,7 @@ import com.github.catvod.net.OkHttp;
import com.github.catvod.spider.Proxy;
import com.google.gson.Gson;
import okhttp3.Response;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;
import org.json.JSONObject;
@ -14,14 +15,18 @@ import java.io.ByteArrayInputStream;
import java.net.URLEncoder;
import java.nio.charset.Charset;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
public class ProxyVideo {
private static final String GO_SERVER = "http://127.0.0.1:7777/";
//线程数4
private static final int THREAD_NUM = 16;
private static Map<String, Object[]> infoMap = new ConcurrentHashMap<>();
private static final ExecutorService service = Executors.newFixedThreadPool(THREAD_NUM);
public static String buildCommonProxyUrl(String url, Map<String, String> headers) {
@ -77,19 +82,11 @@ public class ProxyVideo {
public static Object[] proxyMultiThread(String url, Map<String, String> headers) throws Exception {
Object[] info = infoMap.get(url);
//防止频繁请求
if (info == null) {
Map<String, String> newHeaders = new HashMap<>(headers);
newHeaders.put("range", "bytes=0-0");
newHeaders.put("Range", "bytes=0-0");
info = proxy(url, newHeaders);
infoMap.clear();
infoMap.put(url, info);
}
SpiderDebug.log("--proxyMultiThread: start ");
Map<String, String> newHeaders = new HashMap<>(headers);
newHeaders.put("range", "bytes=0-0");
newHeaders.put("Range", "bytes=0-0");
Object[] info = proxy(url, newHeaders);
int code = (int) info[0];
if (code != 206) {
return proxy(url, headers);
@ -109,20 +106,62 @@ public class ProxyVideo {
SpiderDebug.log("没有range,无需分割");
return proxy(url, headers);
} else {
List<long[]> partList = generatePart(rangeObj, total);
// 存储执行结果的List
List<Future<Response>> results = new ArrayList<>();
for (long[] part : partList) {
DownloadService.get().submitDownload(url, headers, Long.parseLong(total));
Object[] res = DownloadService.get().getDownloadBytes(Long.parseLong(rangeObj.get("start")));
String newRange = "bytes=" + part[0] + "-" + part[1];
SpiderDebug.log("下载开始" + ";newRange:" + newRange);
Map<String, String> headerNew = new HashMap<>(headers);
headerNew.put("range", newRange);
headerNew.put("Range", newRange);
Future<Response> result = service.submit(() -> {
try {
return OkHttp.newCall(url, headerNew);
} catch (Exception e) {
throw new RuntimeException(e);
}
});
results.add(result);
}
byte[] bytes = null;
Response response = null;
for (int i = 0; i < THREAD_NUM; i++) {
// 获取包含返回结果的future对象
Future<Response> future = results.get(i);
// 从future中取出执行结果（若尚未返回结果，则get方法被阻塞，直到结果被返回为止）
response = future.get();
bytes = ArrayUtils.addAll(bytes, response.body().bytes());
SpiderDebug.log("---第" + i + "块下载完成" + ";Content-Range:" + response.headers().get("Content-Range"));
SpiderDebug.log("---第" + i + "块下载完成" + ";content-range:" + response.headers().get("content-range"));
}
service.shutdown();
String contentType = response.headers().get("Content-Type");
String contentDisposition = response.headers().get("Content-Disposition");
if (contentDisposition != null) contentType = getMimeType(contentDisposition);
Map<String, String> respHeaders = new HashMap<>();
/* respHeaders.put("Access-Control-Allow-Credentials", "true");
respHeaders.put("Access-Control-Allow-Origin", "*");*/
for (String key : response.headers().names()) {
respHeaders.put(key, response.headers().get(key));
}
respHeaders.put("Content-Length", ((long) res[1] - (long) res[0] + 1) + "");
respHeaders.put("content-length", ((long) res[1] - (long) res[0] + 1) + "");
respHeaders.put("Content-Range", String.format("bytes %s-%s/%s", res[1], res[2], total));
respHeaders.put("content-range", String.format("bytes %s-%s/%s", res[1], res[2], total));
return new Object[]{206, "video/mp4", new ByteArrayInputStream((byte[]) res[0]), respHeaders};
respHeaders.put("Content-Length", String.valueOf(bytes.length));
respHeaders.put("content-length", String.valueOf(bytes.length));
respHeaders.put("Content-Range", String.format("bytes %s-%s/%s", partList.get(0)[0], partList.get(THREAD_NUM - 1)[1], total));
respHeaders.put("content-range", String.format("bytes %s-%s/%s", partList.get(0)[0], partList.get(THREAD_NUM - 1)[1], total));
SpiderDebug.log("++proxy res contentType:" + contentType);
// SpiderDebug.log("++proxy res body:" + response.body());
SpiderDebug.log("++proxy res respHeaders:" + Json.toJson(respHeaders));
return new Object[]{response.code(), contentType, new ByteArrayInputStream(bytes), respHeaders};
}
@ -130,19 +169,15 @@ public class ProxyVideo {
}
private static List<long[]> generatePart(Map<String, String> rangeObj, String total) {
SpiderDebug.log("generatePart.total:" + total);
long start = Long.parseLong(rangeObj.get("start"));
long end = StringUtils.isAllBlank(rangeObj.get("end")) ? start + 1024 * 1024 * 8 : Long.parseLong(rangeObj.get("end"));
long end = StringUtils.isAllBlank(rangeObj.get("end")) ? start + 1024 * 1024 *8 : Long.parseLong(rangeObj.get("end"));
long totalSize = Long.parseLong(total);
end = Math.min(end, totalSize - 1);
long length = end - start + 1;
SpiderDebug.log("generatePart.start:" + start);
SpiderDebug.log("generatePart.end:" + end);
SpiderDebug.log("generatePart.length:" + length);
long size = length / THREAD_NUM;
SpiderDebug.log("generatePart.size:" + size);
List<long[]> partList = new ArrayList<>();
for (int i = 0; i < THREAD_NUM; i++) {
long partEnd = Math.min(start + size, end);
@ -201,4 +236,4 @@ public class ProxyVideo {
* 视频range
*/
}
}

BIN
jar/custom_spider.jar
View File

Binary file not shown.

2
jar/custom_spider.jar.md5
View File

@ -1 +1 @@
0b44917627bcbe34d8a552b321a55571
5abe7e76705934af62d214ed64044353

2
json/test.json
View File

@ -1,5 +1,5 @@
{
"spider": "https://ghproxy.net/https://raw.githubusercontent.com/lushunming/AndroidCatVodSpider/multiThread/jar/custom_spider.jar;md5;0b44917627bcbe34d8a552b321a55571",
"spider": "https://ghproxy.net/https://raw.githubusercontent.com/lushunming/AndroidCatVodSpider/multiThread/jar/custom_spider.jar;md5;5abe7e76705934af62d214ed64044353",
"lives": [
{
"name": "电视直播",