/// <summary>
/// 点击好友聊天方法
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void btnFriendChat_Click(object sender, EventArgs e)
{
Button btn = (Button)sender;
if (btn.BackColor == Color.Gray)
{
return;
}
string str = (string)btn.Tag;
//IPEndPoint chatIp = new IPEndPoint(IPAddress.Parse(str), 23333);
// 判断集合里有没有此键，没有就创建一个,并发送一条请求通信消息 2协议
FriendChat showForm = null;
if (!dic.ContainsKey(str))
{
Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
byte b = 2;
List <byte> list = new List <byte>();
list.Add(b);
// 初始化聊天对象
JavaScriptSerializer js = new JavaScriptSerializer();
ChatContent cc = new ChatContent();
cc.SendIP = this.IP;
cc.ChatType = 0;
cc.Content = string.Empty;
string strCc = js.Serialize(cc);
list.AddRange(Encoding.UTF8.GetBytes(strCc));
IPEndPoint lastComIP = new IPEndPoint(IPAddress.Parse(str), 23333);
// 向对方请求通信
s.SendTo(list.ToArray(), lastComIP);
showForm = new FriendChat(str, this.IP);
dic.Add(str, showForm);
}
else
{
showForm = dic[str];
}
showForm.Show();
}
/// <summary>
/// 接收消息方法
/// </summary>
private void Receive()
{
try
{
// 用来存储获得的数据
byte[] receiveBytes = new byte[1024 * 1024];
// 用来存放接受数据的ip改变情况
EndPoint p = new IPEndPoint(IPAddress.Any, 23333);
// 不停地循环监听收到的消息
while (true)
{
int i = listenSocket.ReceiveFrom(receiveBytes, ref p);
if (receiveBytes[0] == 2)// 2代表请求通信，接收定义好的端口好，new出窗体对象，并隐藏
{
// 反序列化
string content = Encoding.UTF8.GetString(receiveBytes, 1, i - 1);
JavaScriptSerializer javass = new JavaScriptSerializer();
ChatContent cc = javass.Deserialize <ChatContent>(content);
if (cc.ChatType == 0)
{
sp.SoundLocation = @"../../voices/system.wav";
sp.Play();
if (!dic.ContainsKey(cc.SendIP))
{
FriendChat fc = new FriendChat(cc.SendIP, this.IP);
fc.Hide();
dic.Add(cc.SendIP, fc);
}
}
// 如果不可见，就不进行操作，防止线程问题
if (!dic[cc.SendIP].Visible)
{
continue;
}
if (cc.ChatType == 1) // 发的文字
{
sp.SoundLocation = @"../../voices/msg.wav";
sp.Play();
FontSet(dic[cc.SendIP].rtbShow, cc.Content, Color.FromArgb(Convert.ToInt32(cc.FontColor)));
dic[cc.SendIP].rtbShow.AppendText(cc.SendIP + "：" + cc.Content + "\r\n");
}
else if (cc.ChatType == 2) // 发的窗口抖动
{
for (int j = 0; j < 200; j++)
{
dic[cc.SendIP].Left += 30;
dic[cc.SendIP].Top += 30;
dic[cc.SendIP].Left -= 30;
dic[cc.SendIP].Top -= 30;
}
}
continue;
}
// 解析数据，获得IP，IP是自己的则跳出执行下一个循环
JavaScriptSerializer jss = new JavaScriptSerializer();
Friend fri = jss.Deserialize <Friend>(Encoding.UTF8.GetString(receiveBytes, 1, i - 1));
EndPoint requestIP = new IPEndPoint(IPAddress.Parse(fri.IP), 23333);
if (fri.IP == this.IP)
{
continue;
}
// 判断发过来的消息是要干嘛
if (receiveBytes[0] == 0) // 0代表找好友,返回个人信息，并返回1协议
{
// 播放声音提醒好友上线
sp.SoundLocation = @"../../voices/Global.wav";
sp.Play();
// 在集合中添加此在线用户
onlineList.Add(fri);
// 调用下面的分析方法
Arrange(receiveBytes, i);
List <byte> list = new List <byte>();
// 使用协议1
byte b = 1;
list.Add(b);
//list.AddRange(Encoding.UTF8.GetBytes(ip));
// 将此机器的IP地址发送给所有机器
//使用Json来序列化自己的信息
Friend f = new Friend();
f.IP = this.IP;
f.Name = this.MyName;
f.Photo = this.MyPhoto;
f.Signature = this.Signature;
JavaScriptSerializer js = new JavaScriptSerializer();
string strF = js.Serialize(f);
list.AddRange(Encoding.UTF8.GetBytes(strF));
listenSocket.SendTo(list.ToArray(), requestIP);
}
else if (receiveBytes[0] == 1) // 1代表返回了好友信息，接收不再发广播
{
// 播放声音提醒好友上线
sp.SoundLocation = @"../../voices/Global.wav";
sp.Play();
onlineList.Add(fri);
Arrange(receiveBytes, i);
}
else if (receiveBytes[0] == 6)// 6表示此用户已下线
{
onlineList.Remove(fri);
UpdateFriendState(fri, false);
}
}
}
catch { }
}