/// <summary>
/// 添加指定用户的连接
/// </summary>
/// <param name="userName">用户名</param>
/// <param name="connectionId">连接Id</param>
/// <returns></returns>
public virtual async Task AddConnectionId(string userName, string connectionId)
{
ConnectionUser user = await GetUser(userName) ?? new ConnectionUser()
{
UserName = userName
};
user.ConnectionIds.AddIfNotExist(connectionId);
await SetUser(userName, user);
}
/// <summary>
/// 移除指定用户的连接
/// </summary>
/// <param name="userName">用户名</param>
/// <param name="connectionId">连接Id</param>
/// <returns></returns>
public virtual async Task RemoveConnectionId(string userName, string connectionId)
{
ConnectionUser user = await GetUser(userName);
if (user == null || !user.ConnectionIds.Contains(connectionId))
{
return;
}
user.ConnectionIds.Remove(connectionId);
if (user.ConnectionIds.Count == 0)
{
await RemoveUser(userName);
return;
}
await SetUser(userName, user);
}
/// <summary>
/// 设置用户缓存
/// </summary>
/// <param name="userName">用户名</param>
/// <param name="user">用户信息</param>
/// <returns></returns>
public virtual async Task SetUser(string userName, ConnectionUser user)
{
string key = GetKey(userName);
await _cache.SetAsync(key, user);
}
/// <summary>
/// 获取指定用户的所有连接Id
/// </summary>
/// <param name="userName">用户名</param>
/// <returns></returns>
public virtual async Task <string[]> GetConnectionIds(string userName)
{
ConnectionUser user = await GetUser(userName);
return(user?.ConnectionIds.ToArray() ?? new string[0]);
}