/// <summary>
/// 发送消息给指定的客户端（用户名相同的所有客户端）
/// </summary>
/// <param name="msg"></param>
/// <param name="username"></param>
/// <param name="wsFactory"></param>
/// <returns></returns>
public async Task SendMessage(string msg, string username, ICustomWebSocketFactory wsFactory)
{
var clients = wsFactory.Clients(username);
if (clients != null)
{
foreach (var client in clients)
{
if (client.WebSocket.State != WebSocketState.Open)
{
Log4netHelper.Info(this, "此websocket的状态为：" + client.Username + "<>" + client.WebSocket.State.ToString());
continue;
}
byte[] buffer = Encoding.UTF8.GetBytes(msg);
await client.WebSocket.SendAsync(new ArraySegment <byte>(buffer, 0, buffer.Length), WebSocketMessageType.Text, true, CancellationToken.None);
//Log4netHelper.Info(this, client.Username + "-->推送消息成功：" + msg);
}
}
else
{
Log4netHelper.Info(this, username + "-->客户端不存在！");
}
}