public string ReadFileSeg(Stream stream, string companyID, string fileName, int fileLength, int totalSegments, int currentSegmentsIndex, int dataLength)
{
lock (_readOnly)
{
string result = "";
if (totalSegments < currentSegmentsIndex)
{
return("请求当前段号大于文件同段数");
}
byte[] buffer = ADFileCached.getInstance().ReadFileSegment(companyID, fileName, fileLength, totalSegments, currentSegmentsIndex);
if (buffer == null)
{
buffer = ADFileCached.getInstance().ReadFile(companyID, fileName);
if (buffer == null)
{
//没有找到缓存文件
WCFServiceProxy <IADFileService> _iTaskManageProxy = new WCFServiceProxy <IADFileService>();
buffer = _iTaskManageProxy.getChannel.DownLoad(companyID, fileName);
_iTaskManageProxy.Close();
ADFileCached.getInstance().SaveFile(buffer, companyID, fileName);
}
MemoryStream ms = new MemoryStream();
int bPos = (currentSegmentsIndex - 1) * 1024;
if ((bPos + 1024) > (fileLength - 1))
{
dataLength = fileLength - bPos;
}
else
{
dataLength = 1024;
}
ms.Write(buffer, bPos, dataLength);
buffer = new byte[dataLength];
ms.Position = 0;
ms.Read(buffer, 0, dataLength);
ms.Close();
ADFileCached.getInstance().SaveFileSegment(buffer, companyID, fileName, fileLength, totalSegments, currentSegmentsIndex);
}
if (buffer != null)
{
stream.Write(buffer, 0, buffer.Length);
}
else
{
result = "读取文件段失败";
}
return(result);
}
}
private void btnPublish_Click(object sender, EventArgs e)
{
WCFServiceProxy <IADPublishManager> _iTaskManageProxy = new WCFServiceProxy <IADPublishManager>();
string result = _iTaskManageProxy.getChannel.ADPublish(Convert.ToInt64(this.txtAP.Value));
_iTaskManageProxy.Close();
if (result == "")
{
MessageBox.Show("发布完成");
}
else
{
MessageBox.Show("发布失败，原因：" + result);
}
}
private void Heart()
{
//调度服务到数据中心的注册维护。
while (isChecked)
{
Thread.Sleep(1000 * 5);
if (this.isRegister)
{
try
{
this._iDCSServiceProxy.getChannel.Heart(this.serviceNo);
}
catch
{
isRegister = false;
contxt = new InstanceContext(this);
if (_iDCSServiceProxy != null)
{
try
{
if (_iDCSServiceProxy.State != System.ServiceModel.CommunicationState.Faulted)
{
_iDCSServiceProxy.Close();
}
}
catch
{
_iDCSServiceProxy.Abort();
}
}
_iDCSServiceProxy = new WCFServiceProxy <IDCSService>(contxt);
}
}
else
{
this.isRegister = Register();
}
}
}
private void btnUpload_Click(object sender, EventArgs e)
{
WCFServiceProxy <IADFileService> _iTaskManageProxy = new WCFServiceProxy <IADFileService>();
System.IO.FileStream fs = System.IO.File.OpenRead(this.txtFile.Text);
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
fs.Close();
string fileName = string.Format("{0}{1}{2}{3}", txtCompanyID.Text, txtDate.Text, txtOrder.Value.ToString().PadLeft(5, '0'), System.IO.Path.GetExtension(this.txtFile.Text));
string result = _iTaskManageProxy.getChannel.UpLoad(txtCompanyID.Text, fileName, buffer);
_iTaskManageProxy.Close();
if (result == "")
{
MessageBox.Show("上传完成。");
this.txtOrder.Value++;
}
else
{
MessageBox.Show("上传失败，原因：" + result);
}
}