public void openChat(Friend f,string msg)
{
FrmChat frm = new FrmChat(f);
f.Frmchatting = frm;
frm.Show();
f.IsOpen = true;
f.Frmchatting.txtChattingContent.AppendText(f.Nickname + ":" + msg + "\r\n");
}
public void addUcf(Friend f)
{
UCFriend ucf = new UCFriend();
ucf.Frm = this;
ucf.CurFriend = f;
ucf.Top = this.plFriendsList.Controls.Count * ucf.Height;
ucf.myDBClick += ucf_myDBClick;
this.plFriendsList.Controls.Add(ucf);
this.onlineFriends.Add(ucf.CurFriend);
}
public FrmChat(Friend f )
{
InitializeComponent();
this.ChatFriend=f;
}
public void listen()
{
UdpClient uc = new UdpClient(9527);
while (true)
{
IPEndPoint ipep = new IPEndPoint(IPAddress.Any, 0);
byte[] bmsg = uc.Receive(ref ipep);
string msg = Encoding.Default.GetString(bmsg);
string[] datas = msg.Split('|');
string messageHead = datas[0];
switch (messageHead)
{
case "LOGIN":
if (datas.Length != 4)
{
continue;
}
Friend friend = new Friend();
int curIndex = Convert.ToInt32(datas[2]);
if (curIndex < 0 || curIndex >= _frm.ilHeaderImage.Images.Count)
{
curIndex = 0;
}
friend.HeaderImageIndex = curIndex;
friend.Nickname = datas[1];
friend.ShuoShuo = datas[3];
friend.IP = ipep.Address;
friend.IsOpen = false;
IPAddress myIp = Operation.getMyip();
if (myIp.ToString() != friend.IP.ToString())
{
_frm.Invoke(new delAddFriend(_frm.addUcf), friend);
//回发，告诉对方我也在
UdpClient onuc = new UdpClient();
string myName = "王凯";
string onmsg = "ALSOON|" + myName + "|13|大家好";
byte[] onbmsg = Encoding.Default.GetBytes(onmsg);
onuc.Send(onbmsg, onbmsg.Length, new IPEndPoint(ipep.Address, 9527));
}
break;
case "ALSOON":
if (datas.Length != 4)
{
continue;
}
Friend onfriend = new Friend();
int oncurIndex = Convert.ToInt32(datas[2]);
if (oncurIndex < 0 || oncurIndex >= _frm.ilHeaderImage.Images.Count)
{
oncurIndex = 0;
}
onfriend.HeaderImageIndex = oncurIndex;
onfriend.Nickname = datas[1];
onfriend.ShuoShuo = datas[3];
onfriend.IP = ipep.Address;
_frm.Invoke(new delAddFriend(_frm.addUcf), onfriend);
break;
case "LOGOUT":
Panel pnlst = _frm.getPanl();
int deleIndex = 0;
//根据当前下线人的ip地址，找到pn中对应的用户控件，删除；
foreach (UCFriend ltUcf in pnlst.Controls)
{
if (ltUcf.CurFriend.IP.ToString() == ipep.Address.ToString())
{
pnlst.Controls.Remove(ltUcf);
break;
}
deleIndex++;
}
//让其下面的每一个用户控件对象依次上移
for (int i = deleIndex; i < pnlst.Controls.Count; i++)
{
pnlst.Controls[i].Top = i * pnlst.Controls[0].Height;
}
break;
case "MSG":
if (datas.Length != 3)
{
continue;
}
foreach (Friend olucf in _frm.onlineFriends)
{
if(ipep.Address.ToString()==olucf.IP.ToString())
{
if (olucf.IsOpen == true)
{
olucf.Frmchatting.txtChattingContent.AppendText(datas[2] + ":" + datas[1]+"\r\n");
}
if(olucf.IsOpen==false)
{
object[] openPars = new object[2];
openPars[0] = olucf;
openPars[1] = datas[1];
_frm.Invoke(new openChat(_frm.openChat),openPars);
}
break;
}
}
break;
default:
break;
}
}
}