public override bool IsSharable => true;//标注一个channel handler可以被多个channel安全地共享。
/// <summary>
/// 收到客户端回应
/// </summary>
/// <param name="ctx"></param>
/// <param name="msg"></param>
protected override void ChannelRead0(IChannelHandlerContext ctx, object msg)
{
channelHandlerContext = ctx;
try
{
NettyBody testEvent = MessagePackSerializer.Deserialize <NettyBody>(MessagePackSerializer.Serialize(msg));
// 服务端收到心跳，直接回应
if (testEvent.code == (int)NettyCodeEnum.Ping)
{
ctx.WriteAndFlushAsync(msg);
RecordLogEvent?.Invoke(true, $"收到心跳并原文回应：{ctx.Channel.RemoteAddress}");
return;
}
if (testEvent.code == (int)NettyCodeEnum.Chat)
{
RecordLogEvent?.Invoke(true, $"服务端接收到聊天消息({ctx.Channel.RemoteAddress}):" + JsonConvert.SerializeObject(testEvent));
// 回应收到消息成功
testEvent.code = (int)NettyCodeEnum.OK;
ctx.WriteAndFlushAsync(testEvent);
ReceiveEventFromClientEvent?.Invoke(testEvent);
return;
}
RecordLogEvent?.Invoke(true, $"服务端接收到消息({ctx.Channel.RemoteAddress}):" + JsonConvert.SerializeObject(testEvent));
}
catch (Exception ex)
{
RecordLogEvent?.Invoke(false, $"收到客户端消息，处理失败({ctx.Channel.RemoteAddress})：{ex.Message}");
}
}
public override bool IsSharable => true;//标注一个channel handler可以被多个channel安全地共享。
/// <summary>
/// 收到服务端消息
/// </summary>
/// <param name="ctx">通道处理上下文</param>
/// <param name="msg">接收内容</param>
protected override void ChannelRead0(IChannelHandlerContext ctx, object msg)
{
try
{
NettyBody testEvent = MessagePackSerializer.Deserialize <NettyBody>(MessagePackSerializer.Serialize(msg));
// 收到发送给服务端的心跳包，服务端回应
if (testEvent.code == (int)NettyCodeEnum.Ping)
{
ClientEventHandler.LstSendPings.Clear();
ClientEventHandler.RecordLogEvent?.Invoke(true, "收到Android端心跳回应");
return;
}
// 发送数据给服务端，服务端处理成功回应
if (testEvent.code == (int)NettyCodeEnum.OK)
{
lock (ClientEventHandler.LockOjb)
{
ClientEventHandler.LstNeedSendDatas.RemoveAll(cu => cu.NettyBody.reqId == testEvent.reqId);
}
return;
}
// 收到服务端发送过来的聊天内容
if (testEvent.code == (int)NettyCodeEnum.Chat)
{
ClientEventHandler.ReceiveEventFromClientEvent?.Invoke(testEvent);
}
var eventMsg = JsonConvert.SerializeObject(testEvent);
ClientEventHandler.RecordLogEvent?.Invoke(true, $"收到Android端消息：{eventMsg}");
}
catch (Exception ex)
{
ClientEventHandler.RecordLogEvent?.Invoke(false, $"读取数据异常：{ex.Message}");
}
}
private void ReceiveMessage(NettyBody testEvent)
{
App.Current.Dispatcher.Invoke(() =>
{
ChatInfoModel info = new ChatInfoModel
{
Message = testEvent.data,
SenderId = "ddd",
Type = ChatMessageType.String,
Role = ChatRoleType.Receiver
};
ChatInfos.Add(info);
});
}
/// <summary>
/// 发送数据到服务端
/// </summary>
/// <param name="nettyBody"></param>
public static void SendData(NettyBody nettyBody)
{
try
{
lock (LockOjb)
{
LstNeedSendDatas.Add(new NettyBodyCounter {
NettyBody = nettyBody
});
}
}
catch (Exception ex)
{
RecordLogEvent?.Invoke(false, $"发送数据异常：{ex.Message}");
}
}
/// <summary>
/// 发送心跳包
/// </summary>
/// <param name="ctx"></param>
public static void SendPingMsg(IChannelHandlerContext ctx)
{
// 发送的ping，超过一定范围，认为与服务端断开连接，需要重连
if (LstSendPings.Count >= RETRY_SEND_PINT_TIME)
{
ctx.CloseAsync();
RecordLogEvent?.Invoke(false, $"{LstSendPings.Count} 次未收到心跳回应，重连服务器");
LstSendPings.Clear();
return;
}
string guid = System.Guid.NewGuid().ToString();
LstSendPings.Enqueue(guid);
ctx.WriteAndFlushAsync(NettyBody.ping(guid));
RecordLogEvent?.Invoke(true, $"发送心跳包，已发送{LstSendPings.Count} 次");
}
/// <summary>
/// 发送数据到客户端
/// </summary>
/// <param name="testEvent"></param>
public void SendData(NettyBody testEvent)
{
try
{
if (channelHandlerContext == null)
{
RecordLogEvent?.Invoke(false, $"未连接客户端，无法发送数据");
return;
}
channelHandlerContext.WriteAndFlushAsync(testEvent);
}
catch (Exception ex)
{
RecordLogEvent?.Invoke(false, $"发送数据异常：{ex.Message}");
}
}