仅在使用Netty响应之前，如何发送消息？
[英]How can I send a message only after previous has been responded using Netty?
问题描述
I have to send a command to the server. 
我必须向服务器发送命令。
- When server replies OK, I can send the next command, if I have. 服务器答复“确定”时，如果可以的话，我可以发送下一条命令。
- If server replies an error, I have to print it and try again later or stop depends on command. 如果服务器回复错误，则必须打印该错误并稍后重试，或者根据命令停止。
- If the server does not reply, I have to send the command again after a few seconds. 如果服务器未回复，则必须在几秒钟后再次发送命令。
For example like AT commands. 例如像AT命令。
I know ChannelInboundHandler, but I can't create a complex architecture like this, I don't know how to create the right code structure. 我知道ChannelInboundHandler，但是我无法创建这样的复杂体系结构，也不知道如何创建正确的代码结构。
1 个解决方案
解决方案1
0 2017-10-12 09:03:32
Please let me know if you are using netty for client or server implementation. 如果您将netty用于客户端或服务器实施，请告诉我。 I had similar use case, and was making use of channel pipeline to achieve the same. 我有类似的用例，并且利用通道管道来实现相同的目的。 Basically, I have one separate handler for SimpleChannelInboundHandler<Response> , in this handler subsequent request will be sent over channel as well. 基本上，我为SimpleChannelInboundHandler<Response>有一个单独的处理程序，在此处理程序中，后续请求也将通过通道发送。
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