public string Download(string fileURL, string filePath, string msgId = "")
{
if (string.IsNullOrWhiteSpace(msgId))
{
msgId = TimeStamp.Create();
}
FileMessageInfo info = FileMessageInfo.Create(fileURL);
info.MessageId = msgId;
info.ProcessType = FileProcessType.DOWNLOAD;
info.FilePath = filePath;
info.Status = 1;
info.Client.DownloadProgressChanged += webClient_DownloadProgressChanged;
info.Client.DownloadFileCompleted += Client_DownloadFileCompleted;
new TaskFactory().StartNew(() =>
{
try
{
info.Client.DownloadFileAsync(new Uri(fileURL), filePath, info);
}
catch (Exception ex)
{
ProcessError(msgId, ex);
}
});
m_FileMsgQueue.Add(info);
return(msgId);
}
/// <summary>
/// 断点下载，需服务器支持CustomRange
/// </summary>
/// <param name="fileURL"></param>
/// <param name="filePath"></param>
/// <param name="msgId"></param>
/// <returns></returns>
private string Download_BreakPoint(string fileURL, string filePath, string msgId = "")
{
if (string.IsNullOrWhiteSpace(msgId))
{
msgId = TimeStamp.Create();
}
long currentLength = 0;
if (File.Exists(filePath))
{
var fileInfo = new FileInfo(filePath);
currentLength = fileInfo.Length;
}
FileMessageInfo info = FileMessageInfo.Create(fileURL);
info.Client.Headers.Add("CustomRange", string.Format("bytes={0}-", currentLength));
info.MessageId = msgId;
info.FilePath = filePath;
info.ProcessType = FileProcessType.DOWNLOAD;
info.Status = 1;
m_FileMsgQueue.Add(info);
info.Client.DownloadDataCompleted += Client_DownloadDataCompleted;
info.Client.DownloadProgressChanged += webClient_DownloadProgressChanged;
new TaskFactory().StartNew(() =>
{
info.Client.DownloadDataAsync(new Uri(fileURL), info);
});
return(msgId);
}
public void Upload(string msg_id, string upload_url, string path)
{
FileMessageInfo info = FileMessageInfo.Create(upload_url);
info.MessageId = msg_id;
info.ProcessType = FileProcessType.UPLOAD;
info.Client.UploadProgressChanged += UploadProgressChanged;
info.Client.UploadDataCompleted += UploadDataCompleted;
info.Status = 1;
info.FilePath = path;
m_FileMsgQueue.Add(info);
var createBytes = new CreateBytes();
string contentType = createBytes.ContentType;
info.Client.Headers.Add("Content-Type", contentType);
//new TaskFactory().StartNew(() =>
//{
//});
new TaskFactory().StartNew(() =>
{
// LogOpInfo("upload_begin" ,Thread.CurrentThread.ManagedThreadId.ToString());
try
{
int leftLength = (int)GetUploadStartPos(upload_url);
byte[] fileData = File.ReadAllBytes(path).Skip(leftLength).ToArray();
info.StartPos = leftLength;
ArrayList bytesArray = new ArrayList();
bytesArray.Add(createBytes.CreateFieldData("file", Path.GetFileName(path)
, "application/octet-stream", fileData));
byte[] postData = createBytes.JoinBytes(bytesArray);
info.TotalFileLength = postData.Length + leftLength;
info.Client.UploadDataAsync(new Uri(upload_url), "POST", postData, info);
//LogOpInfo("upload_end", Thread.CurrentThread.ManagedThreadId.ToString());
}
catch (Exception ex)
{
ProcessError(msg_id, ex);
}
});
}