public Packet(SerializationInfo info, StreamingContext context)
{
this.myIP = (string)info.GetValue("IP", typeof(string));
this.myName = (string)info.GetValue("Name", typeof(string));
this.myMessage = (string)info.GetValue("Message", typeof(string));
this.myFont = (Font)info.GetValue("Font", typeof(Font));
this.myColor = (Color)info.GetValue("Color", typeof(Color));
this.myType = (TypePacket)info.GetValue("Type", typeof(TypePacket));
this.myPort = (string)info.GetValue("Port", typeof(string));
}
public Packet(Packet packet)
{
this.myIP = packet.myIP;
this.myName = packet.myName;
this.myMessage = packet.myMessage;
this.myFont = packet.myFont;
this.myColor = packet.myColor;
this.myType = packet.myType;
this.myPort = packet.myPort;
}
public Packet(string IP, string Name, string Mess, Font font, Color color, TypePacket type, string Port)
{
this.myIP = IP;
this.myName = Name;
this.myMessage = Mess;
this.myFont = font;
this.myColor = color;
this.myType = type;
this.myPort = Port;
}
public Packet()
{
this.myIP = null;
this.myMessage = null;
this.myName = null;
this.myFont = new Font("Arial", 13);
this.myColor = Color.Black;
this.myType = TypePacket.NONE;
this.myPort = rd.Next(10000, 60000) + "";
}
byte[] Sendpacketclose(TypePacket tp)
{
Packet mypacket = new Packet();
mypacket.MyType = tp;
MemoryStream str = new MemoryStream();
BinaryFormatter bformat = new BinaryFormatter();
bformat.Serialize(str, mypacket);
byte[] data = new byte[1024];
data = str.ToArray();
return(data);
}
byte[] SendPacket4(string FileName, TypePacket type)
{
Packet mypacket = new Packet();
mypacket.MyType = type;
mypacket.MyMessage = FileName;
MemoryStream str = new MemoryStream();
BinaryFormatter bformat = new BinaryFormatter();
bformat.Serialize(str, mypacket);
byte[] data = new byte[1024];
data = str.ToArray();
return(data);
}
public void Check(byte data)
{
TypePacket typeP = (TypePacket)data;
foreach (TypePacket tp in Enum.GetValues(typeof(TypePacket)))
{
if (tp == typeP)
{
type = typeP;
return;
}
}
type = TypePacket.Null;
}
public void SendName(TypePacket type)
{
Packet mypacket = new Packet();
//this.myPort = mypacket.MyPort;
mypacket.MyIP = GetLocalIP();
mypacket.MyName = userName;
mypacket.MyType = type;
MemoryStream str = new MemoryStream();
BinaryFormatter bformat = new BinaryFormatter();
bformat.Serialize(str, mypacket);
byte[] data = new byte[1024];
data = str.ToArray();
sendingClient.Send(data, data.Length);
}
public PacketType()
{
type = TypePacket.Null;
}
// XỬ LÝ NHẬN TIN
private void Receiver()
{
IPEndPoint endPoint = new IPEndPoint(IPAddress.Any, port);
AddMessage messageDelegate = MessageReceived;
while (true)
{
byte[] data = receivingClient.Receive(ref endPoint);
#region NHẬN FILE
if (curType == TypePacket.SEND_FILE)
{
//Loại việc nhận tin của chính mình
if (curIP == GetLocalIP())
{
curType = TypePacket.MESSAGE;
}
else
{
this.Invoke((MethodInvoker)(() =>
{
SaveFileDialog saveFileDlog1 = new SaveFileDialog();
saveFileDlog1.InitialDirectory = System.Environment.GetFolderPath(Environment.SpecialFolder.MyPictures);
saveFileDlog1.FileName = saveFileName;
saveFileName = System.Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + "\\" + saveFileDlog1.FileName;
}));
bool bTranferOk = true;
FileStream fs = null;
try
{
fs = File.Create(saveFileName);
fs.Write(data, 0, data.Length);
}
catch (Exception e)
{
bTranferOk = false;
MessageBox.Show(e.Message, "Nhận file bị lỗi!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
if (fs != null)
{
try { fs.Close(); }
catch (Exception) { }
}
if (!bTranferOk)
{
try { File.Delete(saveFileName); }
catch (Exception) { }
}
else
{
string[] extension;
extension = saveFileName.Split('.');
//Hiện lên Web
this.Invoke((MethodInvoker)(() =>
{
Packet rpck = new Packet();
rpck.MyName = curSender;
rpck.MyMessage = "<a href='" + saveFileName.Replace(":", "(~*)") + "'>" + (('.' + extension[1] == ".jpg" || '.' + extension[1] == ".png" || extension[1] == ".PNG") ? "<img src='" + saveFileName + "' style='max-width:300px'/><br/>" : "") + "<b>" + Path.GetFileName(saveFileName) + "</b></a>";
Message fmess = new Message(rpck, Type.RECEIVER);
ChatLog.Add(fmess);
RefreshWeb();
}));
}
curType = TypePacket.MESSAGE;
curIP = "";
curSender = "";
}
}
#endregion
#region TỪ CHỐI NHẬN FILE & IMAGE
else if (curType == TypePacket.NONE)
{
curType = TypePacket.MESSAGE;
}
#endregion
#region NHẬN IMAGE
else if (curType == TypePacket.SEND_IMAGE)
{
if (curIP == GetLocalIP())
{
curType = TypePacket.MESSAGE;
}
else
{
this.Invoke((MethodInvoker)(() =>
{
SaveFileDialog saveFileDlog1 = new SaveFileDialog();
saveFileDlog1.InitialDirectory = System.Environment.GetFolderPath(Environment.SpecialFolder.MyPictures);
saveFileDlog1.FileName = saveFileName;
saveFileName = System.Environment.GetFolderPath(Environment.SpecialFolder.MyPictures) + "\\" + saveFileDlog1.FileName;
}));
bool bTranferOk = true;
FileStream fs = null;
try
{
fs = File.Create(saveFileName);
fs.Write(data, 0, data.Length);
}
catch (Exception e)
{
bTranferOk = false;
MessageBox.Show(e.Message, "Nhận Image bị lỗi!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
if (fs != null)
{
try { fs.Close(); }
catch (Exception) { }
}
if (!bTranferOk)
{
try { File.Delete(saveFileName); }
catch (Exception) { }
}
else
{
this.Invoke((MethodInvoker)(() =>
{
Packet rpck = new Packet();
rpck.MyName = curSender;
rpck.MyMessage = "<a href='" + saveFileName.Replace(":", "(~*)") + "'>" + "<img src='" + saveFileName + "' style='max-width:300px'/><br/>" + "<b>" + Path.GetFileName(saveFileName) + "</b></a>";
Message fmess = new Message(rpck, Type.RECEIVER);
ChatLog.Add(fmess);
RefreshWeb();
}));
}
curType = TypePacket.NONE;
curIP = "";
curSender = "";
}
}
#endregion
#region NHẬN MESS BÌNH THƯỜNG (XỬ LÝ PACK ĐẦU TIÊN)
else
{
Packet receivePacket = DeSerialize(data);
if (receivePacket.MyType == TypePacket.SEND_INFO_USER_1 && receivePacket.MyIP != meIP)
{
this.Invoke((MethodInvoker)(() =>
{
messageDelegate = MessageName;
Invoke(messageDelegate, receivePacket);
}));
}
else if (receivePacket.MyType == TypePacket.SEND_INFO_USER_2 && receivePacket.MyIP != meIP)
{
this.Invoke((MethodInvoker)(() =>
{
bool ck = true;
for (int i = 0; i < lstOnline.Count; i++)
{
string[] ck_lstOnline = lstOnline[i].Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (ck_lstOnline[1] == receivePacket.MyIP)
{
ck = false;
}
}
if (ck)
{
lstFriends.Items.Add(receivePacket.MyName);
lstOnline.Add(receivePacket.MyName + " " + receivePacket.MyIP);
}
}));
}
else if (receivePacket.MyType == TypePacket.MESSAGE)
{
if (receivePacket.MyMessage == "file#")
{
curType = TypePacket.SEND_FILE;
curSender = receivePacket.MyName;
curIP = receivePacket.MyIP;
saveFileName = receivePacket.MyPort;
}
else if (receivePacket.MyMessage == "image#")
{
curType = TypePacket.SEND_IMAGE;
curSender = receivePacket.MyName;
curIP = receivePacket.MyIP;
saveFileName = receivePacket.MyPort;
}
else if (receivePacket.MyMessage != "file#" && receivePacket.MyMessage != "image#")
{
messageDelegate = MessageReceived;
Invoke(messageDelegate, receivePacket);
}
}
else if (receivePacket.MyType == TypePacket.REQUIRE_CHAT)
{
messageDelegate = AcceptRequireChat;
Invoke(messageDelegate, receivePacket);
}
else if (receivePacket.MyType == TypePacket.OUT_CHAT)
{
messageDelegate = ClosingMethod;
Invoke(messageDelegate, receivePacket);
}
}
#endregion
}
}
public Packet(TypePacket Type)
{
this.Type = Type;
}
