protected override void DefWndProc(ref System.Windows.Forms.Message m)
{
if (m.Msg == (int)MessageType.UpdateProgressBar)
{
if (receive_progressBar.Value < receive_progressBar.Maximum - 1)
{
receive_progressBar.Value++;
}
}
else if (m.Msg == (int)MessageType.FileReceiveSuccess)
{
receive_progressBar.Value = receive_progressBar.Maximum;
MessageBox.Show("文件接收完毕");
string savePath = Path.Combine(new string[] { ChatRoom.DOWNLOAD_DIR, Path.GetFileName(filePath) });
Process.Start("explorer.exe", "/select, " + savePath);
this.Close();
}
else if (m.Msg == (int)MessageType.FileReceiveError)
{
Win32API.My_lParam ml = new Win32API.My_lParam();
Type t = ml.GetType();
ml = (Win32API.My_lParam)m.GetLParam(t);
MessageBox.Show(ml.s);
this.Close();
}
else
{
base.DefWndProc(ref m);
}
}
void run()
{
Socket socketReceiveFile = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint ipSend = new IPEndPoint(IPAddress.Parse(this.ipEnd), ChatRoom.FILE_PORT);
try
{
socketReceiveFile.Connect(ipSend);
byte[] tmp1 = Encoding.Default.GetBytes(filePath);
socketReceiveFile.Send(tmp1, 0, tmp1.Length, SocketFlags.None);
byte[] tmp2 = new byte[ChatRoom.UDP_DATA_MAX_SIZE];
socketReceiveFile.Receive(tmp2);
string ackMessage = Encoding.Default.GetString(tmp2);
if (ackMessage.CompareTo("有效文件") == 0)
{
string fileSavePath = ChatRoom.DOWNLOAD_DIR;
if (!Directory.Exists(fileSavePath))
{
Directory.CreateDirectory(fileSavePath);
}
string fileName = Path.Combine(new string[] { fileSavePath, Path.GetFileName(filePath) });
FileStream FS = new FileStream(fileName, FileMode.OpenOrCreate, FileAccess.Write);
byte[] Buff = new byte[ChatRoom.TCP_DATA_MAX_SIZE];
int len;
while ((len = socketReceiveFile.Receive(Buff)) != 0)
{
Win32API.PostMessage(receiveIntPtr, (int)MessageType.UpdateProgressBar, 0, 0);
FS.Write(Buff, 0, len);
}
FS.Flush();
FS.Close();
Win32API.PostMessage(receiveIntPtr, (int)MessageType.FileReceiveSuccess, 0, 0);
}
else
{
Win32API.My_lParam lp = new Win32API.My_lParam();
lp.s = ackMessage;
Win32API.SendMessage(receiveIntPtr, (int)MessageType.FileReceiveError, 0, ref lp);
}
}
catch (Exception e)
{
MessageBox.Show(e.Message);
return;
}
finally
{
socketReceiveFile.Close();
}
}
private static void FileAccept(object obj)
{
while (true)
{
Socket sendFileAccept = ((Socket)obj).Accept();
byte[] tmp1 = new byte[ChatRoom.TCP_DATA_MAX_SIZE];
sendFileAccept.Receive(tmp1);
string filePath = Encoding.Default.GetString(tmp1);
try
{
Win32API.My_lParam lp = new Win32API.My_lParam();
lp.t = sendFileAccept;
lp.s = filePath;
Win32API.SendMessage(Win32API.FindWindow(null, ChatRoom.WINDOWS_NAME), (int)MessageType.FileRequest, 0, ref lp);
}
catch (Exception e)
{
sendFileAccept.Send(Encoding.Default.GetBytes(e.Message), SocketFlags.None);
sendFileAccept.Close();
}
}
}
protected override void DefWndProc(ref System.Windows.Forms.Message m)
{
switch ((MessageType)m.Msg)
{
case MessageType.Broadcast:
{
Win32API.My_lParam ml = new Win32API.My_lParam();
Type t = ml.GetType();
ml = (Win32API.My_lParam)m.GetLParam(t);
updateUserList(ml.s);
}
break;
case MessageType.BroadcastReply:
{
Win32API.My_lParam ml = new Win32API.My_lParam();
Type t = ml.GetType();
ml = (Win32API.My_lParam)m.GetLParam(t);
updateUserList(ml.s);
}
break;
case MessageType.ChatMessage:
{
Win32API.My_lParam ml = new Win32API.My_lParam();
Type t = ml.GetType();
ml = (Win32API.My_lParam)m.GetLParam(t);
string[] msg = ml.s.Split(SEPARATOR);
string owner = msg[0] + "(" + msg[1] + ")";
string updateTime = DateTime.Now + "";
string data = msg[2];
string str = owner;
str += updateTime;
int headLength = str.Length;
str += Environment.NewLine;
str += data;
str += Environment.NewLine;
str += Environment.NewLine;
int newRecordStart = record_chat.TextLength;
record_chat.AppendText(str);
record_chat.Select(newRecordStart, headLength);
record_chat.SelectionColor = Color.Blue;
record_chat.Select(record_chat.TextLength, 0);
record_chat.Focus();
message_chat.Focus();
}
break;
case MessageType.FileMessage:
{
Win32API.My_lParam ml = new Win32API.My_lParam();
Type t = ml.GetType();
ml = (Win32API.My_lParam)m.GetLParam(t);
string[] msg = ml.s.Split(SEPARATOR);
string owner = msg[0] + "(" + msg[1] + ")";
string updateTime = DateTime.Now + "";
string filePath = msg[2];
string fileSize = msg[3];
string str = owner;
str += updateTime;
int headLength = str.Length;
str += Environment.NewLine;
str += "发送文件：" + Path.GetFileName(filePath);
str += "；大小(字节)：" + fileSize;
str += Environment.NewLine;
str += Environment.NewLine;
int newRecordStart = record_chat.TextLength;
record_chat.AppendText(str);
record_chat.Select(newRecordStart, headLength);
record_chat.SelectionColor = Color.Blue;
record_chat.Select(record_chat.TextLength, 0);
record_chat.Focus();
message_chat.Focus();
updateFileList(filePath, updateTime, fileSize, msg[1]);
}
break;
case MessageType.FileRequest:
{
Win32API.My_lParam ml = new Win32API.My_lParam();
Type t = ml.GetType();
ml = (Win32API.My_lParam)m.GetLParam(t);
string filePath = ml.s;
Socket sendFileAccept = ml.t;
byte[] reply = new byte[TCP_DATA_MAX_SIZE];
if (File.Exists(filePath))
{
reply = Encoding.Default.GetBytes("有效文件");
sendFileAccept.Send(reply, SocketFlags.None);
Thread sendFileThread = new Thread(new ParameterizedThreadStart(SendFileClass.SendFile));
sendFileThread.IsBackground = true;
sendFileThread.Start(ml);
}
else
{
reply = Encoding.Default.GetBytes("无效文件");
sendFileAccept.Send(reply, SocketFlags.None);
sendFileAccept.Close();
}
}
break;
case MessageType.ClearUsers:
{
list_user.Items.Clear();
}
break;
case MessageType.ShowWindow:
{
this.Activate();
}
break;
default:
base.DefWndProc(ref m);
break;
}
}
public static void StartListen()
{
UdpClient udpClient = new UdpClient(ChatRoom.LISTEN_PORT);
IPEndPoint ipEndPoint = new IPEndPoint(IPAddress.Any, 0);
IntPtr charRoom = Win32API.FindWindow(null, ChatRoom.WINDOWS_NAME);
while (true)
{
byte[] buff = udpClient.Receive(ref ipEndPoint);
string tmpInfo = Encoding.Default.GetString(buff);
string[] infos = tmpInfo.Split(ChatRoom.SEPARATOR);
MessageType messageType = (MessageType)Enum.Parse(typeof(MessageType), infos[0]);
switch (messageType)
{
case MessageType.Broadcast:
{
string computerName = infos[1];
string ipAddress = infos[2];
Win32API.My_lParam lp = new Win32API.My_lParam();
lp.s = string.Join(ChatRoom.SEPARATOR + "", new string[] { computerName, ipAddress });
Win32API.SendMessage(charRoom, (int)MessageType.Broadcast, 0, ref lp);
string myInfo = string.Join(ChatRoom.SEPARATOR + "", new string[] { MessageType.BroadcastReply + "", ChatRoom.COMPUTER_NAME, ChatRoom.IP_ADDRESS });
UdpSendMessage.SendToOne(ipAddress, myInfo);
}
break;
case MessageType.BroadcastReply:
{
string computerName = infos[1];
string ipAddress = infos[2];
Win32API.My_lParam lp = new Win32API.My_lParam();
lp.s = string.Join(ChatRoom.SEPARATOR + "", new string[] { computerName, ipAddress });
Win32API.SendMessage(charRoom, (int)MessageType.BroadcastReply, 0, ref lp);
}
break;
case MessageType.ChatMessage:
{
string computerName = infos[1];
string ipAddress = infos[2];
string chatData = infos[3];
Win32API.My_lParam lp = new Win32API.My_lParam();
lp.s = string.Join(ChatRoom.SEPARATOR + "", new string[] { computerName, ipAddress, chatData });
Win32API.SendMessage(charRoom, (int)MessageType.ChatMessage, 0, ref lp);
}
break;
case MessageType.FileMessage:
{
string computerName = infos[1];
string ipAddress = infos[2];
string filePath = infos[3];
string fileSize = infos[4];
Win32API.My_lParam lp = new Win32API.My_lParam();
lp.s = string.Join(ChatRoom.SEPARATOR + "", new string[] { computerName, ipAddress, filePath, fileSize });
Win32API.SendMessage(charRoom, (int)MessageType.FileMessage, 0, ref lp);
}
break;
default:
break;
}
}
}
