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@@ -0,0 +1,556 @@
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+//
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+// audioPlayDownloadManager.m
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+// 双子星云手机
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+//
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+// Created by xd h on 2024/7/16.
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+//
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+
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+#import "audioPlayDownloadManager.h"
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+#import "customDownloadOperation.h"
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+#import "customDownloadCacheManager.h"
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+
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+@interface audioPlayDownloadManager ()<NSURLSessionDataDelegate>
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+//排队等候下载的下载地址数组
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+@property(nonatomic,strong) NSMutableArray *downloadWaitingUrlArr;
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+//正在下载的下载地址数组
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+@property(nonatomic,strong) NSMutableArray *downloadingOperationArr;
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+@end
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+
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+@implementation audioPlayDownloadManager
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++ (instancetype)shareManager {
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+ static audioPlayDownloadManager *_instance;
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+ static dispatch_once_t onceToken;
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+ dispatch_once(&onceToken, ^{
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+ _instance = [[self alloc] init];
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+ });
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+ return _instance;
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+}
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+
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+- (instancetype)init {
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+
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+ if (self = [super init]) {
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+ _maxDownLoadCount = 2;
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+ //[self registeNotification];
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+ }
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+ return self;
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+}
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+
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+- (NSString*)uid{
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+ if(!_uid || _uid.length == 0){
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+ return @"customUserName";
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+ }
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+
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+ return _uid;
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+}
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+
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+/** 添加要下载的 网络连接 */
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+- (void)addDownloadWithURLs:(NSArray *)urls{
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+
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+ for (NSString *addUrl in urls) {
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+ BOOL needAddType = YES;
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+
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+ //1. 排查下载中
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+ for (customDownloadOperation *operationDoing in self.downloadingOperationArr) {
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+ if([operationDoing.url isEqualToString:addUrl]){
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+ needAddType = NO;
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+ break;
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+ }
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+ }
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+
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+ //1. 排查等待下载
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+ for (NSString *waitUrl in self.downloadWaitingUrlArr) {
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+ if([waitUrl isEqualToString:addUrl]){
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+ needAddType = NO;
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+ break;
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+ }
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+ }
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+
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+ if(needAddType){
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+ [self.downloadWaitingUrlArr addObject:addUrl];
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+ }
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+ }
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+
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+ //启动下载
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+ [self beginDownload];
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+}
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+
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+//在添加下载地址后 启动下载
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+- (void)beginDownload
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+{
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+ @synchronized (self) {
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+ if(self.downloadingOperationArr.count == _maxDownLoadCount){
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+ HLog(@"正在下载的数量达到了最大值 %ld",_maxDownLoadCount)
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+ return;
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+ }
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+
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+ if(self.downloadWaitingUrlArr.count == 0){
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+ HLog(@"没有等待中的下载任务")
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+ return;
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+ }
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+
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+ NSInteger canAddTaskNumber = _maxDownLoadCount - self.downloadingOperationArr.count;
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+
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+ for (int i=0; i<canAddTaskNumber; i++) {
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+
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+ if(self.downloadWaitingUrlArr.count >= 1){
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+ //创建下载任务
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+ NSString *downloadUrl = self.downloadWaitingUrlArr.firstObject;
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+
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+ NSURLSession *session = [self creatNewSessionFun];
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+ customDownloadOperation * operation = [[customDownloadOperation alloc] initWith:downloadUrl session:session withType:@"audioPlayCache"];
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+ [operation.dataTask resume];
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+
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+ //等待下载中的任务
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+ [self.downloadWaitingUrlArr removeObjectAtIndex:0];
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+ //添加到下载中数组
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+ [self.downloadingOperationArr addObject:operation];
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+ }
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+
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+ }
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+
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+ }
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+
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+}
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+
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+/** 开始任务（不会自动添加任务，列队中没有就直接返回） 后续改为会自动添加任务 */
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+- (void)startDownLoadWithUrl:(NSString *)url
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+{
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+
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+ BOOL needAddType = YES;
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+
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+ //1. 排查下载中
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+ for (customDownloadOperation *operationDoing in self.downloadingOperationArr) {
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+ if([operationDoing.url isEqualToString:url]){
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+ needAddType = NO;
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+ break;
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+ }
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+ }
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+
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+ //1. 排查等待下载
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+ for (NSString *waitUrl in self.downloadWaitingUrlArr) {
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+ if([waitUrl isEqualToString:url]){
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+ needAddType = NO;
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+ break;
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+ }
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+ }
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+
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+ if(needAddType){
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+ [self.downloadWaitingUrlArr addObject:url];
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+ }
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+
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+ //启动下载
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+ [self beginDownload];
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+}
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+
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+/** 删除任务（删除下载url内容的任务） */
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+- (void)deleteDownloadWithUrl:(NSString *)url
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+{
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+ //1.检测等待下载的任务
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+ for (NSString*waitingUrl in self.downloadWaitingUrlArr) {
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+ if ([waitingUrl isEqualToString:url]) {
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+ [self.downloadWaitingUrlArr removeObject:waitingUrl];
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+ break;
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+ }
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+ }
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+
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+ //2.检测下载中的任务
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+ for (customDownloadOperation *operationDoing in self.downloadingOperationArr) {
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+ if([operationDoing.url isEqualToString:url]){
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+ [operationDoing.dataTask cancel];
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+// operationDoing.dataTask = nil;
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+// operationDoing.session = nil;
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+//
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+// [operationDoing.handle closeFile];
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+// operationDoing.handle = nil;
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+//
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+// [self.downloadingOperationArr removeObject:operationDoing];
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+ break;
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+ }
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+ }
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+
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+ //3. 删除本地文件
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+ [customDownloadCacheManager deleteFileWithUrl:url];
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+
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+ //4.进行下一个任务
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+ //[self beginDownload];
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+}
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+
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+/** 暂停任务（暂停下载url内容的任务） */
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+- (void)supendDownloadWithUrl:(NSString *)url
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+{
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+ //1.检测等待下载的任务
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+ for (NSString*waitingUrl in self.downloadWaitingUrlArr) {
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+ if ([waitingUrl isEqualToString:url]) {
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+ [self.downloadWaitingUrlArr removeObject:waitingUrl];
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+ break;
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+ }
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+ }
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+
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+ //2.检测下载中的任务
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+ for (customDownloadOperation *operationDoing in self.downloadingOperationArr) {
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+ if([operationDoing.url isEqualToString:url]){
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+ operationDoing.isManualCancel = YES;
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+
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+ if(operationDoing.dataTask){
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+ [operationDoing.dataTask cancel];
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+ }
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+// operationDoing.dataTask = nil;
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+// operationDoing.session = nil;
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+//
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+// [operationDoing.handle closeFile];
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+// operationDoing.handle = nil;
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+//
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+// //删除后 didCompleteWithError 不再处理
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+// [self.downloadingOperationArr removeObject:operationDoing];
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+
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+ break;
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+ }
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+ }
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+
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+ //进行下一个任务
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+ //[self beginDownload];
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+}
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+
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+/** 暂停当前所有的下载任务 下载任务不会从列队中删除 */
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+- (void)suspendAllDownloadTask
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+{
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+ //1.删除等待下载的任务
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+ [self.downloadWaitingUrlArr removeAllObjects];
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+
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+ //2.检测下载中的任务
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+ for (customDownloadOperation *operationDoing in self.downloadingOperationArr) {
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+ operationDoing.isManualCancel = YES;
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+ if(operationDoing.dataTask){
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+ [operationDoing.dataTask cancel];
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+ }
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+
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+// operationDoing.dataTask = nil;
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+// operationDoing.session = nil;
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+// [operationDoing.handle closeFile];
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+// operationDoing.handle = nil;
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+ }
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+
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+ [self.downloadingOperationArr removeAllObjects];
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+}
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+
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+#pragma mark 重新启动因为网络失败而停止的任务
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+- (void)reDownloadNetworkTaskBy:(NSString*)url
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+{
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+ @synchronized (self) {
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+ [self.downloadWaitingUrlArr insertObject:url atIndex:0];
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+ }
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+
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+ [self beginDownload];
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+}
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+
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+#pragma mark - <NSURLSessionDataDelegate>
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+
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+// ssl 服务 证书信任
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+- (void)URLSession:(NSURLSession *)session
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+didReceiveChallenge:(NSURLAuthenticationChallenge *)challenge
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+ completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition disposition, NSURLCredential * _Nullable credential))completionHandler{
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+ if(![challenge.protectionSpace.authenticationMethod isEqualToString:@"NSURLAuthenticationMethodServerTrust"]) {
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+ return;
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+ }
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+
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+ // 信任该插件
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+ NSURLCredential *credential = [[NSURLCredential alloc] initWithTrust:challenge.protectionSpace.serverTrust];
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+ // 第一个参数 告诉系统如何处置
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+ completionHandler(NSURLSessionAuthChallengeUseCredential,credential);
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+}
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+
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+//当请求协议是https的时候回调用该方法
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+//Challenge 挑战 质询(受保护空间)
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+//NSURLAuthenticationMethodServerTrust 服务器信任证书
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+- (void)URLSession:(NSURLSession *)session
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+ task:(NSURLSessionTask *)task
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+didReceiveChallenge:(NSURLAuthenticationChallenge *)challenge
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+ completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition disposition, NSURLCredential * __nullable credential))completionHandler {
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+
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+ if(![challenge.protectionSpace.authenticationMethod isEqualToString:@"NSURLAuthenticationMethodServerTrust"]) {
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+ return;
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+ }
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+
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+ // 信任该插件
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+ NSURLCredential *credential = [[NSURLCredential alloc] initWithTrust:challenge.protectionSpace.serverTrust];
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+ // 第一个参数 告诉系统如何处置
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+ completionHandler(NSURLSessionAuthChallengeUseCredential,credential);
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+
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+}
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+
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+
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+// 接受到响应调用
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+- (void)URLSession:(NSURLSession *)session
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+ dataTask:(NSURLSessionDataTask *)dataTask
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+didReceiveResponse:(NSURLResponse *)response
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+ completionHandler:(void (^)(NSURLSessionResponseDisposition disposition))completionHandler {
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+
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+ // 将响应交给列队处理
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+ BOOL canDownload = [self handleOperateby:dataTask WithResponse:response];
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+
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+ if(canDownload){
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+ // 允许下载
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+ completionHandler(NSURLSessionResponseAllow);
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+ }
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+ else{
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+ // 不允许下载
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+ completionHandler(NSURLSessionResponseCancel);
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+ }
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+
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+}
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+
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+// 接受到数据碎片 的时候调用，调用多次
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+- (void)URLSession:(NSURLSession *)session
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+ dataTask:(NSURLSessionDataTask *)dataTask
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+ didReceiveData:(NSData *)data {
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+ // 接收到session 下载碎片交个列队管理
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+ [self dataTask:dataTask didReceiveData:data];
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+}
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+
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+// <NSURLSessionDataDelegate> 完成下载
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+- (void)URLSession:(NSURLSession *)session
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+ task:(NSURLSessionTask *)task
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+didCompleteWithError:(nullable NSError *)error {
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+ [self task:task didCompleteWithError:error];
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+}
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+
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+- (void)URLSession:(NSURLSession *)session
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+ task:(NSURLSessionTask *)task
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+ needNewBodyStream:(void (^)(NSInputStream * _Nullable bodyStream))completionHandler {
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+
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+}
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+
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+- (void)URLSession:(NSURLSession *)session
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+ task:(NSURLSessionTask *)task
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+ didSendBodyData:(int64_t)bytesSent
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+ totalBytesSent:(int64_t)totalBytesSent
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+totalBytesExpectedToSend:(int64_t)totalBytesExpectedToSend {
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+
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+}
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+
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+#pragma mark 处理接收到的数据
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+
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+// 接收到相应时
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+- (BOOL)handleOperateby:(NSURLSessionTask*)dataTask WithResponse:(NSURLResponse *)response {
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+
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+ customDownloadOperation *operation = nil;
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+ for (customDownloadOperation *operationDoing in self.downloadingOperationArr) {
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+ if(operationDoing.dataTask == dataTask){
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+ operation = operationDoing;
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+ break;
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+ }
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+ }
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+
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+ if (!operation) {
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+ HLog(@"没找到当前下载任务");
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+ operation.downloadState = customDownloadStateFailed;
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+ [dataTask cancel];
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+ return NO;
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+ }
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+
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+ // 检查response是否是NSHTTPURLResponse的实例
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+ if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
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+ NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
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+ NSInteger statusCode = httpResponse.statusCode;
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+ HLog(@"HTTP Status Code: %ld", (long)statusCode);
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+
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+ if(statusCode == 404){
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+ operation.downloadState = customDownloadStateFailed;
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+ operation.isFile404Cancel = YES;
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+ return NO;
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+ }
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+
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+ }
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+
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+ // 总的size
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+ if (operation.currentSize + response.expectedContentLength == 0) {
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+ HLog(@"下载数据回调异常");
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+ operation.downloadState = customDownloadStateFailed;
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+ return NO;
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+ }
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+ operation.totalSize = operation.currentSize + response.expectedContentLength;
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+
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+ // 创建空的文件夹
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+ if (operation.currentSize == 0) {
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+ // 创建空的文件
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+ [[NSFileManager defaultManager] createFileAtPath:operation.fullPath contents:nil attributes:nil];
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+ }
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+
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+ // 创建文件句柄
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+ operation.handle = [NSFileHandle fileHandleForWritingAtPath:operation.fullPath];
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+
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+ // 文件句柄移动到文件末尾 位置 // 返回值是 unsign long long
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+ [operation.handle seekToEndOfFile];
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+
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+ // 开始下载记录文件下载信息
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+ operation.downloadState = customDownloadStateDoing;
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+
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+ return YES;
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+}
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+
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+- (void)dataTask:(NSURLSessionDataTask *)dataTask didReceiveData:(NSData *)data
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+{
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+ customDownloadOperation *operation = nil;
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+ for (customDownloadOperation *operationDoing in self.downloadingOperationArr) {
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+ if(operationDoing.dataTask == dataTask){
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+ operation = operationDoing;
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+ break;
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+ }
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+ }
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+
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+ if (!operation) {
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+ HLog(@"没找到当前下载任务");
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+ [dataTask cancel];
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+ return;
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+ }
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+
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+ //手动取消任务
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+ if (operation.isManualCancel) {
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+ return;
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+ }
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+
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+ // 获得已经下载的文件大小
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+ operation.currentSize += data.length;
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+ HLog(@"currentSize:%lld---progress:%.2f", operation.currentSize, 1.00*operation.currentSize/operation.totalSize);
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+
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+ // 写入文件
|
|
|
+ if(operation.handle){
|
|
|
+ [operation.handle writeData:data];
|
|
|
+ }
|
|
|
+
|
|
|
+ // 下载中通知
|
|
|
+ [self operationDoningWithOperation:operation];
|
|
|
+}
|
|
|
+
|
|
|
+- (void)task:(NSURLSessionTask *)dataTask didCompleteWithError:(NSError *)error
|
|
|
+{
|
|
|
+ customDownloadOperation *operation = nil;
|
|
|
+ for (customDownloadOperation *operationDoing in self.downloadingOperationArr) {
|
|
|
+ if(operationDoing.dataTask == dataTask){
|
|
|
+ operation = operationDoing;
|
|
|
+ [self.downloadingOperationArr removeObject:operationDoing];
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!operation) {
|
|
|
+ HLog(@"没找到当前下载任务");
|
|
|
+ //[dataTask suspend];
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if(operation.dataTask){
|
|
|
+ //[operation.dataTask cancel];
|
|
|
+ operation.dataTask = nil;
|
|
|
+ operation.session = nil;
|
|
|
+
|
|
|
+ if(operation.handle){
|
|
|
+ // 关闭文件句柄
|
|
|
+ [operation.handle closeFile];
|
|
|
+ // 释放文件句柄
|
|
|
+ operation.handle = nil;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if(error && error.code == -1005 && !operation.isFile404Cancel){//网络中断
|
|
|
+ HLog(@"reDownloadNetworkTaskBy");
|
|
|
+ //延时几秒再次启动这个任务
|
|
|
+ dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
|
|
|
+ [self reDownloadNetworkTaskBy:operation.url];
|
|
|
+ });
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if(operation.isManualCancel){
|
|
|
+ [self beginDownload];
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // 完成下载 通知 block
|
|
|
+ if (error ||operation.downloadState == customDownloadStateFailed) {
|
|
|
+ [self operationFailedWithOperation:operation];
|
|
|
+ } else {
|
|
|
+ operation.isFinished = YES;
|
|
|
+ operation.timeStamp = [iTools getNowTimeStamp];
|
|
|
+ [self operationSuccessWithOperation:operation];
|
|
|
+ }
|
|
|
+
|
|
|
+ [self beginDownload];
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+#pragma mark 发送通知
|
|
|
+
|
|
|
+// 失败某一个operation 保存本地 通知外界
|
|
|
+- (void)operationFailedWithOperation:(customDownloadOperation *)operation {
|
|
|
+ HLog(@"audio DownloadTaskExeError \n %@",operation.url);
|
|
|
+ operation.downloadState = customDownloadStateFailed;
|
|
|
+ //[[NSNotificationCenter defaultCenter] postNotificationName:customDownloadTaskExeError object:nil userInfo:@{@"operation" : operation}];
|
|
|
+}
|
|
|
+
|
|
|
+//外面的下载数据跳的太频繁 控制下
|
|
|
+//static int DownloadTaskExeingNotNum = 0;
|
|
|
+
|
|
|
+// 重启某一个operation 保存本地 通知外界
|
|
|
+- (void)operationDoningWithOperation:(customDownloadOperation *)operation {
|
|
|
+ HLog(@"audio DownloadTaskExeing");
|
|
|
+
|
|
|
+// DownloadTaskExeingNotNum ++;
|
|
|
+// if (DownloadTaskExeingNotNum >= 10) {
|
|
|
+// DownloadTaskExeingNotNum = 0;
|
|
|
+// [[NSNotificationCenter defaultCenter] postNotificationName:customDownloadTaskExeing object:nil userInfo:@{@"operation" : operation}];
|
|
|
+// }
|
|
|
+}
|
|
|
+
|
|
|
+// 等待某一个operation 保存本地 通知外界
|
|
|
+- (void)operationSuccessWithOperation:(customDownloadOperation *)operation {
|
|
|
+ HLog(@"audio DownloadTaskExeEnd \n %@",operation.url);
|
|
|
+
|
|
|
+ //更新歌曲播放列表
|
|
|
+ [[audioPlayListManager shareManager] changeFileToDonewith:operation.url];
|
|
|
+
|
|
|
+ operation.downloadState = customDownloadStateCompleted;
|
|
|
+
|
|
|
+}
|
|
|
+
|
|
|
+-(NSURLSession*)creatNewSessionFun
|
|
|
+{
|
|
|
+ NSURLSessionConfiguration *config = [NSURLSessionConfiguration defaultSessionConfiguration];
|
|
|
+ // 设置请求超时
|
|
|
+ config.timeoutIntervalForRequest = -1;
|
|
|
+// config.networkServiceType = NSURLNetworkServiceTypeVideo;
|
|
|
+ config.timeoutIntervalForResource = -1;
|
|
|
+// config.TLSMaximumSupportedProtocol = kSSLProtocolAll;
|
|
|
+
|
|
|
+ //_session = [NSURLSession sessionWithConfiguration:config delegate:self delegateQueue:[NSOperationQueue currentQueue]];
|
|
|
+ NSURLSession *session = [NSURLSession sessionWithConfiguration:config delegate:self delegateQueue:nil];
|
|
|
+
|
|
|
+ return session;
|
|
|
+}
|
|
|
+
|
|
|
+#pragma mark - lazy load
|
|
|
+- (NSMutableArray *)downloadWaitingUrlArr {
|
|
|
+
|
|
|
+ if (!_downloadWaitingUrlArr) {
|
|
|
+ _downloadWaitingUrlArr = [NSMutableArray array];
|
|
|
+ }
|
|
|
+ return _downloadWaitingUrlArr;
|
|
|
+}
|
|
|
+
|
|
|
+- (NSMutableArray *)downloadingOperationArr {
|
|
|
+
|
|
|
+ if (!_downloadingOperationArr) {
|
|
|
+ _downloadingOperationArr = [NSMutableArray array];
|
|
|
+ }
|
|
|
+ return _downloadingOperationArr;
|
|
|
+}
|
|
|
+
|
|
|
+- (BOOL)isDownLoadIngType
|
|
|
+{
|
|
|
+ if(self.downloadingOperationArr.count >= 1){
|
|
|
+ return YES;
|
|
|
+ }
|
|
|
+
|
|
|
+ return NO;
|
|
|
+}
|
|
|
+@end
|
huangxiaodong