PrivateBoxiOS/创维盒子/code/cloudPhone/websocket/webSocketManager+baseDownload.m

//
//  webSocketManager+baseDownload.m
//  双子星云手机
//
//  Created by xd h on 2024/6/20.
//

#import "webSocketManager+baseDownload.h"

@implementation webSocketManager (baseDownload)

// NSData转int
- (int)data2Int:(NSData *)data{
    Byte *byte = (Byte *)[data bytes];
    // 有大小端模式问题？
     return (byte[0] << 24) + (byte[1] << 16) + (byte[2] << 8) + (byte[3]);
}


- (void)handleDownloadResponseFunBy:(id)message
{
    NSData *curData = (NSData *)message;
    
//    if(curData.length < 20){
//        return;
//    }
    
    //head
    NSData *headData = [curData subdataWithRange:NSMakeRange(0, 1)];
    char head = 0;//104;
    [headData getBytes:&head length:sizeof(head)];
    //HLog(@"head: %d",head);
    
    //msgType  0x11(17)
    NSData *msgTypeData = [curData subdataWithRange:NSMakeRange(1, 1)];
    char msgType = 0;
    [msgTypeData getBytes:&msgType length:sizeof(msgType)];
    HLog(@"msgType: %d",msgType);
    
    //taskId  6位字符串
    NSData *taskIdData = [curData subdataWithRange:NSMakeRange(2, 6)];
    NSString* taskIdStr = [[NSString alloc] initWithData:taskIdData encoding:NSUTF8StringEncoding];;
    HLog(@"taskId: %@",taskIdStr);
    
    if(curData.length <= 15){
        HLog(@"消息长度不对不处理");
        return;
    }
    
    //datalen
    NSData *datalenData = [curData subdataWithRange:NSMakeRange(8, 4)];
    int datalen = [self data2Int:datalenData];
    //HLog(@"datalen: %d",datalen);

    //curNum
    NSData *curNumData = [curData subdataWithRange:NSMakeRange(12, 4)];
    int curNum = [self data2Int:curNumData];;
    //HLog(@"curNum: %d",curNum);
    
    //totalNum
    NSData *totalNumData = [curData subdataWithRange:NSMakeRange(16, 4)];
    int totalNum = [self data2Int:totalNumData];
    //HLog(@"totalNum: %d",totalNum);
    
    BOOL isDownloadDone = curNum == totalNum ? YES : NO;
    
    HLog(@"taskUid:%@ curNum:%d totalNum: %d datalen:%d isDownloadDone:%d",taskIdStr,curNum,totalNum,datalen -8,isDownloadDone);
    
    if(curData.length <= 23){
        //data 的位置 装 成功或者失败
        NSData *failTypeData = [curData subdataWithRange:NSMakeRange(20, 1)];
        //0xcc (204)失败 0xcd (205)文件不存在 0xdd (221)完成  0xbb 187 完成
        __block Byte failType;
        [failTypeData getBytes:&failType length:sizeof(failType)];
        
        if(taskIdStr && [taskIdStr isEqualToString:self.downloadFileTaskUid]){
            
            if(failType == 0xcc || failType == 0xcf){
                [[downloadManager shareInstance] DownloadFileFailOneFileFun];
            }
            else if(failType == 0xcd ){
                [[downloadManager shareInstance] suspendDownloadFileFun:YES withModel:nil];
                NSString *tipStr = NSLocalizedString(@"disk_not_find_tip",nil);
                mainBlock(^{
                    [[iToast makeText:tipStr] show];
                });
            }
            else if(failType == 0xdd || failType == 0xbb){
                [self downloadFileFunServiceResponseFun:[NSData new] with:YES];
            }
            else{
                HLog(@"下载数据未知错误");
                [[downloadManager shareInstance] DownloadFileFailOneFileFun];
            }
        }
        
        return;
    }
    
    if(curData.length <= (20 + datalen - 8)){
        HLog(@"下载数据解析出错了");
        return;
    }
    
    NSData *fileData = [curData subdataWithRange:NSMakeRange(20, datalen-8)];

    if([taskIdStr isEqualToString:self.downloadFileTaskUid]){
        [self downloadFileFunServiceResponseFun:fileData with:NO];
    }
    else if ([taskIdStr isEqualToString:self.downloadThumbnailTaskUid]){
        [self downloadThumbnailFileFunServiceResponseFun:fileData with:YES];
    }
}


@end