//得到好友列表
private void get_friend_list(bool flag)
{
if (listView1.InvokeRequired)
{
query_Friend d = new query_Friend(get_friend_list);
this.Invoke(d, new object[] { false });
}
else
{
//listView1.Clear();
if (friend_list != null)
{
string[] friend_array;
friend_array = friend_list.Split('.');
for (int i = 0; i < friend_array.Length; i++)
{
string friend = friend_array[i];
string info = Server_Connection.Search_Friend(friend, client_socket);
if (flag)//第一次刷新
{
ListViewItem new_item = new ListViewItem();
new_item.SubItems[0].Text = friend;
if (info == "n")
{
new_item.SubItems.Add("offline");
}
else
{
new_item.SubItems.Add("online");
}
listView1.Items.Add(new_item);
}
else
{
if (info == "n")
{
listView1.Items[i].SubItems[1].Text = "offline";
}
else
{
listView1.Items[i].SubItems[1].Text = "online";
}
}
}
}
//Console.WriteLine(DateTime.Now.ToString() + "\n");
}
//Thread.Sleep(500);
//get_friend_list();
}
//添加朋友
private void button_addfriend_Click(object sender, EventArgs e)
{
string friend_name = textBox_friendname.Text;
bool state = true;
//判断是否已经是好友
foreach (ListViewItem item in listView1.Items)
{
if (friend_name == item.Text)
{
MessageBox.Show(this, "已经在好友列表中", "信息提示",
MessageBoxButtons.OK, MessageBoxIcon.Information);
state = false;
break;
}
}
//判断是否存在该账号
if (state)
{
string recv_str = Server_Connection.Search_Friend(friend_name, client_socket);
if (recv_str == "Incorrect No." || recv_str == "Please send the right message")
{
MessageBox.Show(this, "用户不存在", "信息提示",
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
string search_text = "Select username from user_table where username="******"该用户还未注册", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else if (recv_str == "n")
{
MessageBox.Show(this, "该用户不在线，请稍后再试", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
Socket add_friend_socket = P2P_Communication.Commun_Friend(friend_name, client_socket);
string send_msg = "a." + user_name;
P2P_Communication.Connect_Send(add_friend_socket, send_msg);
Thread.Sleep(10);
add_friend_socket.Shutdown(SocketShutdown.Both);
add_friend_socket.Close();
}
}
}
}
//主动与朋友发起聊天 创建套接字
public static Socket Commun_Friend(string friend_name, Socket socket_to_server)
{
Socket socket_to_friend = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
string friend_ip = Server_Connection.Search_Friend(friend_name, socket_to_server);
if (friend_ip != "Incorrect login No." && friend_ip != "Please send the correct message.")
{
IPEndPoint endPoint;
int target_port;
target_port = Convert.ToInt32(friend_name.Substring(6)) + 50000;
endPoint = new IPEndPoint(IPAddress.Parse(friend_ip), target_port);
//socket_to_friend = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//socket_to_friends[i] = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket_to_friend.Connect(endPoint);
}
return(socket_to_friend);
}