Basic working connection limiter #50
Conversation
Davidde94
requested review from
glbrntt,
Lukasa and
PeterAdams-A
and removed request for
weissi
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Made this a while ago, might as well get it reviewed or let it die. Original use case was to limit the number of IMAP connections. |
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| # connection-limiter | |||
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| A description of this package. | |||
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Wanna throw together some actual text here?
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| func channelRead(context: ChannelHandlerContext, data: NIOAny) { | ||
| let channel = self.unwrapInboundIn(data) | ||
| context.fireChannelRead(data) | ||
| self.currentConnections += 1 |
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This value is never decremented. That doesn't seem likely to be right.
| channel.pipeline.addHandler(LimitHandler(connectionLimit: 1)) | ||
| }) | ||
| .serverChannelOption(ChannelOptions.maxMessagesPerRead, value: 1) | ||
| .serverChannelOption(ChannelOptions.backlog, value: 1) |
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Setting this to 1 is not something we'd recommend in a real app and it doesn't affect the correctness of the example, so let's remove this.
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| final class connection_limiterTests: XCTestCase { | ||
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| } |
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May as well just remove the tests entirely.
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| import NIO | ||
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| class LimitHandler: ChannelDuplexHandler { |
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I think these examples are often helpful for people who know they want to do something but don't quite know how: as such I think the documentation and comments here should be comprehensive.
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Updated this PR to target |
Example of a (very) simple echo server that only allows
nactive connections at any one time.