/// <summary>
/// 更新好友列表
/// </summary>
/// <param name="flag">增加/删除</param>
/// <param name="userData">新上线的用户信息</param>
/// <param name="friendlist">新上线用户的好友列表</param>
private void UpdateFriendlist(byte flag, UserData userData, List<UserData> friendlist)
{
// 更新好友列表
FriendlistHandler friendlistHandler = new FriendlistHandler(flag, userData);
string sendMsg = JsonConvert.SerializeObject(friendlistHandler);
byte[] arrMsg = Encoding.UTF8.GetBytes(sendMsg);
byte[] sendArrMsg = new byte[arrMsg.Length + 1];
// 设置标志位，代表登录/注册
sendArrMsg[0] = UPDATE_FRIENDLIST;
Buffer.BlockCopy(arrMsg, 0, sendArrMsg, 1, arrMsg.Length);
foreach (UserData userdata in friendlist)
{
// 如果用户在上线用户中
if (dictOnlineUserO.ContainsKey(userdata.userId) == true)
{
// 找到Ip
string userIp = dictOnlineUserO[userdata.userId];
try
{
// 发送消息
dictSocket[userIp].Send(sendArrMsg);
}
catch
{
}
}
}
}
/// <summary>
/// 将friendlist中的所有好友信息发给用户以更新
/// </summary>
/// <param name="userIp">请求ip</param>
/// <param name="friendlist">好友列表</param>
private void InitFriendlist(string userIp, List<UserData> friendlist)
{
// 遍历用户
foreach (UserData userData in friendlist)
{
// 当前用户在线
if (dictOnlineUserO.ContainsKey(userData.userId))
{
// 包装消息
FriendlistHandler friendlistHandler = new FriendlistHandler(ADD_ONLINE_FRIEND, userData);
string sendMsg = JsonConvert.SerializeObject(friendlistHandler);
byte[] arrMsg = Encoding.UTF8.GetBytes(sendMsg);
byte[] sendArrMsg = new byte[arrMsg.Length + 1];
// 设置标志位，代表登录/注册
sendArrMsg[0] = UPDATE_FRIENDLIST;
Buffer.BlockCopy(arrMsg, 0, sendArrMsg, 1, arrMsg.Length);
dictSocket[userIp].Send(sendArrMsg);
Thread.Sleep(200);
}
}
}