HttpClientHelper.HttpDownloadProgress downloadProgress; //下载进度回调给用户回调的
public HttpMutilThreadDownload(string url, string fileName, int threadNum, int bufsize, HttpClientHelper.HttpDownloadProgress progress)
{
this.Url = url;
this.FileName = fileName;
this.downloadProgress = progress;
this.BufferSize = bufsize;
this.ThreadNum = threadNum;
HasMerge = 0;
ThreadStatus = false;
CpuLogicCount = Computer.Instance().GetLogicCpuCount() + 1;
threadSeam = new Semaphore(CpuLogicCount, CpuLogicCount);
byteCopiedQueue = new Queue <long>();
try//这里Get同步
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(this.Url);
WebResponse resp = request.GetResponse(); //获得响应头
FileSizeAll = resp.ContentLength; //文件长
if (FileSizeAll <= 0)
{
progress(0, 0, HttpClientHelper.HttpDownloadState.ERROR, "没有获得到文件长度,网络出现波动.");
}
request.Abort(); //请求终止
}
catch (WebException e)
{
progress(0, 0, HttpClientHelper.HttpDownloadState.ERROR, e.Message.ToString());
return;
}
Init(FileSizeAll); //初始化
}
public DownloadRecvice(int threadid, HttpMutilThreadDownload obj, HttpClientHelper.HttpDownloadProgress progress)
{
dataObj = obj;
ThreadId = threadid;
downloadProgress = progress;
}
