private void button_unlock_Click(object sender, EventArgs e)
{
this.savePptNum = 0;
this.savepageNum = ppt[0].ActiveWindow.Selection.SlideRange.SlideNumber;
//save와lock다른경우
if ((this.savepageNum != this.lockPageNum) || (this.savePptNum != this.lockPptNum))
{
MessageBox.Show(lockPageNum + "의 slide를 수정완료먼저해주세요");
}
else
{
string _Path = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
presentation[this.savePptNum].Save();
PowerPoint.Application tempPpt = new PowerPoint.Application();
PowerPoint.Presentation tempPresentation = tempPpt.Presentations.Add(MsoTriState.msoFalse);
PowerPoint.Slides tempSlides = tempPresentation.Slides;
tempSlides.InsertFromFile(ButtonPPT[this.savePptNum].Tag.ToString(), 0, this.savepageNum, this.savepageNum);
saveFileName = _Path + @"\" + "slide.pptx";
FileInfo fileInfo = new FileInfo(saveFileName);
if (fileInfo.Exists == true)
{
File.Delete(this.saveFileName);
}
tempPresentation.SaveAs(_Path + @"\" + "slide");
this.askSave = true;
}
}
private void savePage(int pptNum)
{
savePptNum = pptNum;
savePageNum = ppt[pptNum].ActiveWindow.Selection.SlideRange.SlideNumber;
//save와lock다른경우
if ((savePageNum != lockPageNum) || (savePptNum != lockPptNum))
{
MessageBox.Show(lockPageNum + "의 slide를 수정완료먼저해주세요");
return;
}
try
{
//save slide복사해서 새로운피피티 생성
presentation[pptNum].Save();
PowerPoint.Application tempPpt = new PowerPoint.Application();
PowerPoint.Presentation tempPresentation = tempPpt.Presentations.Add(MsoTriState.msoFalse);
PowerPoint.Slides tempSlides = tempPresentation.Slides;
tempSlides.InsertFromFile(ButtonPPT[pptNum].Tag.ToString(), 0, savePageNum, savePageNum);
tempPresentation.SaveAs(_namePath + @"\" + "slide");
FileInfo file = new FileInfo(_namePath + @"\" + "slide.pptx");
//savePacket
Console.WriteLine("client : save");
byte[] buffer = new byte[1024 * 4];
savePacket = new SavePacket();
savePacket.type = (int)PacketType.SAVE;
savePacket.pptNum = savePptNum;
savePacket.pageNum = savePageNum;
savePacket.isSave = true;
savePacket.fileSize = file.Length;
if (presentation[pptNum].Slides.Count == slideCnt[pptNum]) //추가된슬라이드인가
{
savePacket.isAdd = false;
}
else
{
savePacket.isAdd = true;
}
slideCnt[pptNum] = presentation[pptNum].Slides.Count;
Packet.Serialize(savePacket).CopyTo(buffer, 0);
stream.Write(buffer, 0, buffer.Length);
//새로운피피티 server로보냄
FileStream fs = file.OpenRead();
byte[] bytes = new byte[fs.Length];
fs.Read(bytes, 0, bytes.Length);
stream.Write(bytes, 0, bytes.Length);
tempPresentation.Close();
fs.Close();
stream.Flush();
File.Delete(_namePath + @"\" + "slide.pptx");
}
catch (Exception e)
{
Console.WriteLine("savePage() 에러 : " + e.Message);
}
}
private void Socket_C()
{
Console.WriteLine("**** Socket_C ****");
while (true)
{
string filename;
if (stream.CanRead && stream.CanWrite)
{
///서버로부터 전송된 data 읽음
byte[] ReadByte;
ReadByte = new byte[client.ReceiveBufferSize];
int BytesRead = stream.Read(ReadByte, 0, (int)ReadByte.Length);
string str = Encoding.UTF8.GetString(ReadByte);
filename = Encoding.GetEncoding("utf-8").GetString(ReadByte, 0, BytesRead);
///server와 연결되있는client의 name들 리스트뷰에 등록
if (str.Substring(0, 5) == "NAME#")
{
Console.WriteLine("add servername " + str);
string[] names = str.Split('/');
for (int i = 1; i < names.Length - 1; i++)
{
ListViewItem li = new ListViewItem();
li.Text = names[i];
li.SubItems.Add("");
li.SubItems.Add("");
Invoke((MethodInvoker) delegate
{
listView1.Items.Add(li);
});
}
}
///추가로 연결되는 client의 name 리스트뷰에 등록
else if (str.Substring(0, 5) == "NAME*")
{
ListViewItem li = new ListViewItem();
li.Text = str.Substring(5, str.Length - 5);
li.SubItems.Add("");
li.SubItems.Add("");
Invoke((MethodInvoker) delegate
{
listView1.Items.Add(li);
});
}
///다른 클라이언트의 lock값 변경
else if (str.Substring(0, 7) == "CHANGE@")
{
string[] info = str.Split('/');
string name = info[1];
string pptnum = info[2];
string pagenum = info[3];
Invoke((MethodInvoker) delegate
{
for (int i = 0; i < listView1.Items.Count; i++)
{
ListViewItem item = listView1.Items[i];
bool isContains = item.SubItems[0].Text.Contains(name);
if (isContains)
{
item.SubItems[1].Text = pptnum;
item.SubItems[2].Text = pagenum;
break;
}
}
});
}
///lock실패했을경우
else if (str.Substring(0, 5) == "FAIL@")
{
MessageBox.Show("다른사용자가 편집중인 슬라이드입니다");
}
///다른 사용자가 피피티를 편집했을 경우
else if (str.Substring(0, 5) == "EDIT@")
{
string[] info = str.Split('/');
int fileSize = Convert.ToInt32(info[1]);
int pptnum = Convert.ToInt32(info[2]);
int pagenum = Convert.ToInt32(info[3]);
bool isadd;
if (info[4].CompareTo("True") == 0)
{
isadd = true;
}
else
{
isadd = false;
}
//변경할슬라이드가있는 피피티파일을 읽어와 'edit.pptx'생성후 저장
byte[] myReadBuffer = new byte[fileSize];
int numberOfBytesRead = 0;
string path = _namePath + @"\" + "edit.pptx";
FileStream fs = new FileStream(path, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None);
numberOfBytesRead = stream.Read(myReadBuffer, 0, myReadBuffer.Length);
fs.Write(myReadBuffer, 0, numberOfBytesRead);
fs.Close();
PowerPoint.Slides tempSlides = presentation[pptnum].Slides;
if (isadd)
{
tempSlides.InsertFromFile(path, pagenum - 1, 1, 1);
}
else
{
tempSlides.InsertFromFile(path, pagenum, 1, 1);
tempSlides[pagenum].Delete();
}
File.Delete(path);
}
else if (str.Substring(0, 7) == "UPLOAD@")
{
if (filename != "")
{
///upload시작한다고 server에게 전달 ///packetType = upload
byte[] buffer = new byte[1024 * 4];
uploadPacket = new UploadPacket();
uploadPacket.type = (int)PacketType.UPLOAD;
uploadPacket.isup = true;
Packet.Serialize(uploadPacket).CopyTo(buffer, 0);
stream.Write(buffer, 0, buffer.Length);
Console.WriteLine("uploadpacket");
_namePath = _Path + @"\" + textBox_name.Text;
filename = filename.Substring(7, filename.Length - 7);
Byte[] sendBytes = Encoding.GetEncoding("utf-8").GetBytes(_namePath + @"\" + filename);
stream.Write(sendBytes, 0, sendBytes.Length);
int ByteSize = 0;
Byte[] FileSizeBytes = new byte[client.ReceiveBufferSize];
ByteSize = stream.Read(FileSizeBytes, 0, FileSizeBytes.Length);
int MaxFileLength = Convert.ToInt32(Encoding.UTF8.GetString(FileSizeBytes, 0, ByteSize));
///전송준비작업을 완료했다고 서버에 전해줌
byte[] ReadyTransBytes = new byte[client.ReceiveBufferSize];
ReadyTransBytes = Encoding.UTF8.GetBytes("READY");
stream.Write(ReadyTransBytes, 0, ReadyTransBytes.Length);
System.IO.DirectoryInfo di = new System.IO.DirectoryInfo(_namePath);
if (di.Exists == false)
{
di.Create();
}
FileStream fs = new FileStream(_namePath + @"\" + filename, FileMode.Create, FileAccess.ReadWrite, FileShare.None);
if (filename != string.Empty)
{
byte[] myReadBuffer = new byte[1024];
int numberOfBytesRead = 0;
do
{
numberOfBytesRead = stream.Read(myReadBuffer, 0, myReadBuffer.Length);
fs.Write(myReadBuffer, 0, numberOfBytesRead);
}while (fs.Length < MaxFileLength);
//while (stream.DataAvailable);
}
fs.Flush();
fs.Close();
stream.Flush();
Invoke((MethodInvoker) delegate
{
ButtonPPT[IdxPPT].Visible = true;
ButtonPPT[IdxPPT].Enabled = true;
ButtonPPT[IdxPPT].Tag = _namePath + @"\" + filename;
LabelPPT[IdxPPT].Visible = true;
LabelPPT[IdxPPT].Text = Path.GetFileNameWithoutExtension(filename);
IdxPPT++;
});
}
}
}
}
}
////각 ppt의 locking 제어///
private void checkLock()
{
while (true)
{
for (int i = 0; i < nClient; i++)
{
string name, pptN;
int pptNum, pageNum;
///lock을 요청한 클라이언트
if (clientList[i].askLock == true)
{
Console.WriteLine(i + ": " + clientList[i].lockPageNum);
name = clientList[i].name;
pptN = LabelPPT[clientList[i].lockPptNum].Text;
pptNum = clientList[i].lockPptNum;
pageNum = clientList[i].lockPageNum;
if (pptLockInfo[pptNum][pageNum] == -1)//해당 ppt의 page가 unlock일 경우
{
pptLockInfo[pptNum][pageNum] = i;
clientList[i].askLock = false;
this.ChangeList(name, pptN, pageNum);
for (int j = 0; j < nClient; j++)
{
if (clientList[j].isConnect)
{
clientList[j].ChangeList(name, pptN, pageNum.ToString());
}
}
}
else //해당 ppt의 page가 lock일 경우 초기화
{
clientList[i].askLock = false;
clientList[i].lockPageNum = -1;
clientList[i].lockPptNum = -1;
clientList[i].LockFail();
}
}
if (this.askLock == true) //서버자신이 lock을 요청했을 경우
{
Console.WriteLine(this.name + ": " + this.lockPageNum);
name = this.name;
pptN = LabelPPT[this.lockPptNum].Text;
pptNum = this.lockPptNum;
pageNum = this.lockPageNum;
if (pptLockInfo[pptNum][pageNum] == -1)//해당 ppt의 page가 unlock일 경우
{
pptLockInfo[pptNum][pageNum] = i;
this.askLock = false;
this.ChangeList(name, pptN, pageNum);
for (int j = 0; j < nClient; j++)
{
if (clientList[j].isConnect)
{
clientList[j].ChangeList(name, pptN, pageNum.ToString());
}
}
}
else //해당 ppt의 page가 lock일 경우 초기화
{
this.askLock = false;
this.lockPageNum = -1;
this.lockPptNum = -1;
MessageBox.Show("다른사용자가 편집중인 슬라이드입니다");
}
}
///save요청한클라이언트
if (clientList[i].askSave == true)
{
int pptnum = clientList[i].savePptNum;
int pagenum = clientList[i].savePageNum;
Console.WriteLine("client -> server : askSave");
//int curSlideIdx = ppt[savePptNum].ActiveWindow.Selection.SlideRange.SlideNumber;
PowerPoint.Slides tempSlides = presentation[pptnum].Slides;
if (clientList[i].isAddSlide)
{
tempSlides.InsertFromFile(clientList[i].saveFileName, pagenum - 1, 1, 1);
}
else
{
tempSlides.InsertFromFile(clientList[i].saveFileName, pagenum, 1, 1);
tempSlides[pagenum].Delete();
}
ChangeList(clientList[i].name, "", -1);
clientList[i].ChangeList(clientList[i].name, "", "");
//다른클라이언트들에게변경된파일을보냄
for (int j = 0; j < nClient; j++)
{
if (i == j)
{
;
}
else
{
if (clientList[j].isConnect)
{
clientList[j].SendSaveFile(clientList[i].saveFileName, pptnum, pagenum, clientList[i].isAddSlide);
clientList[j].ChangeList(clientList[i].name, "", "");
}
}
}
clientList[i].lockPageNum = -1;
clientList[i].lockPptNum = -1;
pptLockInfo[pptnum][pagenum] = -1; //save후 lock info배열에서 lock해제
clientList[i].askSave = false;
}
if (this.askSave) //서버가 save요청했을 경우
{
int pptnum = this.savePptNum;
int pagenum = this.savepageNum;
PowerPoint.Slides tempSlides = presentation[pptnum].Slides;
if (this.isAddSlide)
{
if (pagenum == 1)
{
tempSlides.InsertFromFile(clientList[i].saveFileName, pagenum, 1, 1);
}
else
{
tempSlides.InsertFromFile(clientList[i].saveFileName, pagenum - 1, 1, 1);
}
}
else
{
tempSlides.InsertFromFile(this.saveFileName, pagenum, 1, 1);
tempSlides[pagenum].Delete();
}
ChangeList(this.name, "", -1);
//다른클라이언트들에게 변경된파일을보냄
for (int j = 0; j < nClient; j++)
{
if (clientList[j].isConnect)
{
clientList[j].ChangeList(this.name, "", "");
clientList[j].SendSaveFile(this.saveFileName, pptnum, pagenum, this.isAddSlide);
}
}
this.lockPageNum = -1;
this.lockPptNum = -1;
pptLockInfo[pptnum][pagenum] = -1; //save후 lock info배열에서 lock해제
this.askSave = false;
}
}
}
}