英文:
Gorilla WebSocket compared with golang.org/x/net/websocket
问题
根据Gorilla Websockets Project的说法，使用golang.org/x/net/websocket无法发送ping和pong。然而，在golang.org/x/net/websocket的项目页面上有以下说明：
> Package websocket实现了WebSocket协议的客户端和服务器，该协议在RFC 6455中有详细规定。
我有点困惑。golang.org/x/net/websocket实现了RFC 6455，但无法发送控制帧（cancel、ping、pong），尽管在RFC 6455 - Section Control Frames中有明确规定。
那么，如果我使用golang.org/x/net/websocket包会发生什么呢？连接会在超时后中断吗？换句话说，在这里如何确保连接不会中断。
英文:
According Gorilla Websockets Project it is not possible to send pings and pongs using golang.org/x/net/websocket. At the same time, the following is on the project page of golang.org/x/net/websocket:
> Package websocket implements a client and server for the WebSocket protocol as specified in RFC 6455.
I am a little confused. golang.org/x/net/websocket implements RFC 6455 but can not send control frames (cancel, ping, pong) although this is specified in RFC 6455 - Section Control Frames
So what will happen if I use golang.org/x/net/websocket package. Will the connection abort after a timeout? In other words, how is it ensured here that the connection does not break off.
答案1
得分: 8
根据Gorilla Websockets项目的说法，使用golang.org/x/net/websocket无法发送ping和pong。
Gorilla的README中有所不同的说明。它说golang.org/x/net包无法发送ping或接收pong。但它并没有说该包不会发送pong。
golang.org/x/net包会自动响应从对等方接收到的ping，向对等方发送pong，就像Gorilla包一样。这两个包都可以与使用ping和pong保持连接的对等方正常工作。
使用golang.org/x/net/websocket包的应用程序无法使用ping和pong来保持连接。无法发送ping，也无法检测到是否接收到pong。
英文:
> According Gorilla Websockets Project it is not possible to send pings and pongs using golang.org/x/net/websocket
The Gorilla README says something different. It says that the golang.org/x/net package cannot send a ping or receive a pong. It does not say that the package will not send a pong.
The golang.org/x/net package automatically responds to a ping received from the peer by sending a pong to the peer, as does the Gorilla package. Both packages work correctly with a peer that's using ping and pongs to keep the connection alive.
An application that uses the golang.org/x/net/websocket package cannot employ pings and pongs to keep the connection alive. There's no way to send the ping. There's no way to detect that the pong was received.
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