// 发送群聊消息
public static void SendGroupWord(string word, string destId) // destId 群Id
{
AddressBook.Item targetItem = null;
foreach (var item in App.addressBook.items)
{
if (!item.isGroup)
{
continue;
}
if (item.UserName == destId)
{
targetItem = item;
break;
}
}
if (targetItem == null)
{
MessageBox.Show("您不属于当前群聊");
return;
}
// 因为群聊中可能存在陌生人，重新向服务器查询并发送
foreach (var item in targetItem.GroupUserName)
{
if (item == App.user.userName)
{
continue;
}
string recv = CSClient.getInstance().SendAMsg($"q{item}");
switch (recv)
{
case "error":
MessageBox.Show("服务器查询错误");
continue;
case "Please send the correct message.":
MessageBox.Show("群聊中有未知用户");
continue;
case "n":
continue;
default:
break;
}
string groupId = destId;
string singleUserId = item;
byte[] data = AppProtocol.PackWord($"from:{App.user.userName}\n{word}", groupId, singleUserId);
P2PSender.getInstance().SendData(data, recv, P2PListener.GENERALLISTENPORT);
}
}
// 新群组
// 输入群成员id列表(分号分割)，给所有相关人员发送NewGroupp控制报文
public static void newGroup(string userNameList)
{
string groupId = $"g{new Random().Next(0, 1000)}";
string srcId = groupId;
string optional = App.user.userName + ";" + userNameList;
string[] destIDList = userNameList.Split(';');
foreach (var item in destIDList)
{
string recv = CSClient.getInstance().SendAMsg($"q{item}");
switch (recv)
{
case "error":
MessageBox.Show("服务器查询错误");
continue;
case "Please send the correct message.":
MessageBox.Show("群聊中有未知用户");
continue;
case "n":
continue;
default:
break;
}
string destId = item;
byte[] data = AppProtocol.PackControl(AppProtocol.ControlType.NEWGROUP, srcId, destId, optional);
P2PSender.getInstance().SendData(data, recv, P2PListener.GENERALLISTENPORT);
}
App.addressBook.items.Add(new Model.AddressBook.Item()
{
UserName = srcId, GroupUserName = optional.Split(';'), Alias = srcId, isGroup = true
});
}
public const int byteBufferSize = 4 * 1024 * 1024; // 16MB
public static P2PSender getInstance() {
if (instance == null)
instance = new P2PSender();
return instance;
}