public void listClient()
{
List <DTOInfor> myList = BUSInfor.getListInfor();
foreach (DTOInfor list in myList)
{
dtgvClient.Rows.Add(list.FileName, list.Size.ToString(), list.IpClient, list.PortClient.ToString(), list.FromClient, "Finish", list.Size.ToString(), list.Flag);
i_indexFile++;
}
}
public void downloadFile()
{
try
{
//Kiểm tra path chứa file :
if (Str_sourse == null)
{
Str_sourse = me.myPathSave;
}
if (Str_sourse.EndsWith("\\") == false)
{
Str_sourse = Str_sourse + "\\";
}
//kết nối đến Client share file :
S_download = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
int i_Port = System.Convert.ToInt32(Port_connect, 10);
S_download.Connect(IP_connect, i_Port);
//Gửi tên file cho Client để download :
//Download@FileName@null.
String namefile = "Download@C:\\Share\\" + this.Str_nameFile + "@null";
byte[] byData = System.Text.Encoding.ASCII.GetBytes(namefile);
this.S_download.Send(byData);
//Nhận thông tin báo hiệu cho phép download : "Accept" hoặc "Close"
byte[] accept = new byte[10];
int i_accept = this.S_download.Receive(accept);
char[] chars_accept = new char[i_accept];
System.Text.Decoder d_accept = System.Text.Encoding.UTF8.GetDecoder();
int charLen_accept = d_accept.GetChars(accept, 0, i_accept, chars_accept, 0);
String C_accept = new System.String(chars_accept);
//Client share file báo hiệu không tồn tại file và đóng kết nối:
if (C_accept == "Close")
{
MessageBox.Show("You Can't Download File \" " + this.Str_nameFile + " \" because Client has not file !", "MessageBox Download", MessageBoxButtons.OK, MessageBoxIcon.Information, MessageBoxDefaultButton.Button2);
S_download.Disconnect(true);
S_download.Close();
Thread.CurrentThread.Interrupt();
return;
}
//Client share file báo hiệu cho phép download :
if (C_accept == "Accept")
{
Str_sourse += Str_nameFile;
//Bắt đầu Download dữ liệu :
this.result = ReceiveFile(Str_sourse, S_download);
if (C_online == false)
{
//Gửi tín hiệu kết thúc download offline lên server :
String StrEnd = "endOffline@Finish@null";
byte[] byStrEnd = System.Text.Encoding.ASCII.GetBytes(StrEnd);
S_server.Send(byStrEnd);
//Thông báo người dùng biết đã download offline xong :
MessageBox.Show("Download offline file \"" + this.Str_nameFile + "\" is successful!", "MessageBox Download", MessageBoxButtons.OK, MessageBoxIcon.Information, MessageBoxDefaultButton.Button2);
S_download.Close();
Thread.CurrentThread.Interrupt();
return;
}
//Gửi tín hiệu kết thúc download lên server :
//Ending : Download @Finish @fileName @username @null.
String StrEn = "Download@Finish@" + Str_nameFile + "@" + UserName + "@null";
byte[] byStrEn = System.Text.Encoding.ASCII.GetBytes(StrEn);
S_server.Send(byStrEn);
//Cap nhat du lieu cho file Access :
DataInfor.Flag = true;
DataInfor.Size = (int)sizeDownload;
BUSInfor.Update(DataInfor);
//Cap nhat len giao dien DataGridView :
//===========Mien Gang=======================
S_index.WaitOne();
me.checkDown(i_index, Str_nameFile, UserName, sizeDownload, stateDown);
S_index.Release();
//===========Mien Gang=======================
//Thông báo người dùng biết đã download xong :
if (result == true)
{
MessageBox.Show("Downloading file \"" + this.Str_nameFile + "\" is successful!", "MessageBox Download", MessageBoxButtons.OK, MessageBoxIcon.Information, MessageBoxDefaultButton.Button2);
}
//ngắt kết nối Client share file :
S_download.Close();
Thread.CurrentThread.Abort();
return;
}
}
catch (SocketException se)
{
MessageBox.Show(se.Message);
}
}
private void ButClearAll_Click(object sender, EventArgs e)
{
dtgvClient.Rows.Clear();
i_indexFile = 0;
BUSInfor.DeleteAll();
}
//==============================================Listenning to Download :========================================================================================================
//==============================================Connection to Download :========================================================================================================
private void button2_Click_1(object sender, EventArgs e)
{
try
{
if (BoxIP.Text == "" || BoxPort.Text == "")
{
MessageBox.Show("Input : IP and Port.", "MessageBox Information", MessageBoxButtons.OK, MessageBoxIcon.Information, MessageBoxDefaultButton.Button2);
ButDownload.Enabled = true;
return;
}
if (BoxSaveFile.Text == "" || BoxFileName.Text == "")
{
MessageBox.Show("Input : Name File and Save File.", "MessageBox Information", MessageBoxButtons.OK, MessageBoxIcon.Information, MessageBoxDefaultButton.Button2);
return;
}
if (BoxSaveFile.Text == "C:\\")
{
MessageBox.Show("Can't Save file in Folder C because it's limitted by Admin", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
DirectoryInfo testFolder = new DirectoryInfo(BoxSaveFile.Text);
if (testFolder.Exists == false)
{
if (MessageBox.Show("Computer has not folder :" + "\"" + BoxSaveFile.Text + "\". \n" + "Do you want to create folder with this name ?", "MessageBox Error ", MessageBoxButtons.YesNo, MessageBoxIcon.Information, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
testFolder.Create();
}
else
{
return;
}
}
FileInfo testFileExit;
myPathSave = BoxSaveFile.Text;
if (BoxSaveFile.Text.EndsWith("\\") == false)
{
testFileExit = new FileInfo(BoxSaveFile.Text + "\\" + BoxFileName.Text);
}
else
{
testFileExit = new FileInfo(BoxSaveFile.Text + BoxFileName.Text);
}
if (testFileExit.Exists == true)
{
if (MessageBox.Show("You have file on computer with name" + "\"" + BoxSaveFile.Text + "\\" + BoxFileName.Text + "\". \n" + "Do you want to download again this file ?", "MessageBox Error ", MessageBoxButtons.YesNo, MessageBoxIcon.Information, MessageBoxDefaultButton.Button2) == DialogResult.No)
{
return;
}
else
{
try
{
testFileExit.Delete();
}
catch (IOException)
{
//MessageBox.Show(se.Message);
}
}
}
int r = this.dtgvSearch.CurrentCell.RowIndex;
infor.FileName = dtgvSearch.Rows[r].Cells[0].Value.ToString();
infor.Size = Convert.ToInt32(dtgvSearch.Rows[r].Cells[1].Value);
infor.IpClient = dtgvSearch.Rows[r].Cells[2].Value.ToString();
infor.PortClient = Convert.ToInt32(dtgvSearch.Rows[r].Cells[3].Value);
infor.FromClient = dtgvSearch.Rows[r].Cells[4].Value.ToString();
if (dtgvSearch.Rows[r].Cells[5].Value.ToString() == "False")
{
if (MessageBox.Show("Do you want download the file ? \n Because Client share file offline", "MessageBox Stop Server", MessageBoxButtons.YesNo, MessageBoxIcon.Information, MessageBoxDefaultButton.Button2) == DialogResult.No)
{
return;
}
else
{
//Send String : //Offline @nameFile @size @Username @IPofMe @PortofMe @null.
byte[] Waiting = new byte[1024];
String Str_Waiting = "Offline@" + dtgvSearch.Rows[r].Cells[0].Value.ToString() + "@" + dtgvSearch.Rows[r].Cells[1].Value.ToString() + "@" + dtgvSearch.Rows[r].Cells[4].Value.ToString() + "@" + textBox9.Text + "@" + textBox8.Text + "@null";
byte[] byWaiting = System.Text.Encoding.ASCII.GetBytes(Str_Waiting);
this.S_loginConnect.Send(byWaiting);
}
return;
}
//Send information to server :
//Download @nameFile @size @Username @Me @null
byte[] byDownload = new byte[1024];
String Str_download = "Download@" + dtgvSearch.Rows[r].Cells[0].Value.ToString() + "@" + dtgvSearch.Rows[r].Cells[1].Value.ToString() + "@" + dtgvSearch.Rows[r].Cells[4].Value.ToString() + "@" + UserName + "@null";
byDownload = System.Text.Encoding.ASCII.GetBytes(Str_download);
this.S_loginConnect.Send(byDownload);
//Receive String "Start" from Server :
int i_Start = this.S_loginConnect.Receive(byDownload);
char[] chars_Start = new char[i_Start];
System.Text.Decoder d_Start = System.Text.Encoding.UTF8.GetDecoder();
int charLenStart = d_Start.GetChars(byDownload, 0, i_Start, chars_Start, 0);
System.String S_Start = new System.String(chars_Start);
if (S_Start == "Start")
{
MessageBox.Show("Begin Download File : " + dtgvSearch.Rows[r].Cells[0].Value.ToString(), "Download File ", MessageBoxButtons.OK, MessageBoxIcon.Information, MessageBoxDefaultButton.Button2);
//begin create thread to download :
Thread T_clientDownload = new Thread(new ThreadStart(connectClient));
T_clientDownload.Start();
//Add Thread vao List danh sach cac Thread Download :
T_clientDownload.Name = infor.FileName + "@" + infor.FromClient + "@" + i_indexFile.ToString();
L_threadDownload.Add(T_clientDownload);
listClientLoad();
//phoi hop xu ly : doi thread T_clientDownload chay truoc.
Sema_addClient.WaitOne();
}
else
{
infor.Flag = false;
listClientWait();
i_indexFile++;
MessageBox.Show("Please, Waiting to Download File : " + dtgvSearch.Rows[r].Cells[0].Value.ToString(), "Waiting Download", MessageBoxButtons.OK, MessageBoxIcon.Information, MessageBoxDefaultButton.Button2);
}
BUSInfor.Insert(infor);
ButDownload.Enabled = true;
}
catch (SocketException)
{
ButDownload.Enabled = true;
}
}
