private void AddDownloadingTask(DownloadInfo info)
{
var download = HttpDownload.GetTaskByInfo(info);
download.DownloadStateChangedEvent += Download_DownloadStateChangedEvent;
download.DownloadPercentageChangedEvent += Download_DownloadPercentageChangedEvent;
download.Start();
_downloadingTasks.Add(download);
}
/// <summary>
/// 更新任务数据
/// </summary>
/// <param name="info"></param>
public void UpdateTask(DownloadInfo info)
{
if (info == null)
{
return;
}
var data = GetDownloadingDataByPath(info.DownloadPath);
data.Info = info;
data.Save();
}
/// <summary>
/// 获取下载任务
/// </summary>
/// <param name="info"></param>
/// <returns></returns>
public static HttpDownload GetTaskByInfo(DownloadInfo info)
{
return(new HttpDownload()
{
Url = info.DownloadUrl,
DownloadPath = info.DownloadPath,
UserCookies = info.UserCookies,
Domain = info.Domain,
Referer = info.Referer,
ThreadNum = info.DownloadBlockList.Count,
UserAgent = info.UserAgent,
Info = info
});
}
/// <summary>
/// 创建数据
/// </summary>
public async Task <DownloadInfo> CreateData()
{
return(await Task.Run(() =>
{
var response = GetResponse();
if (response == null)
{
throw new NullReferenceException("下载链接已失效");
}
var info = new DownloadInfo
{
ContentLength = response.ContentLength,
BlockLength = response.ContentLength / ThreadNum,
DownloadUrl = Url,
DownloadPath = DownloadPath,
UserCookies = UserCookies,
Domain = Domain,
Referer = Referer,
UserAgent = UserAgent
};
info.init();
return info;
}));
}
public NextResult(DownloadInfo info, int errorCode, string errorMessage)
{
Info = info;
ErrorCode = errorCode;
ErrorMessage = errorMessage;
}
public long GetFileIdByDownloadInfo(DownloadInfo info)
{
return(GetFileIdByPath(info.DownloadPath));
}