Add a pooled channel #1284
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Add a pooled channel #1284
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I have a follow up PR with some allocation counting tests. |
Lukasa
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Sep 30, 2021
| /// Default HTTP/2 configuration. | ||
| public static let defaults = HTTP2() | ||
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| public static func with(_ configure: (inout HTTP2) -> Void) -> HTTP2 { |
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All your various with functions here should probably aim to be @inlinable.
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Motivation: We added the various internals of the connection pool but are yet to surface it as public API. This PR does just that. Modifications: - Add a `PooledChannel`, a `GRPCChannel` which uses the connection pool - Add `GRPCPooledChannel` and `GRPCPooledChannel.Configuration` which produces `PooledChannel`s as `GRPCChannel`s. - Add a handful of tests Result: We have a usable connection pool in the public API.
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Unfortunately we regress 1 alloc per RPC but I think it's worth it since switching to the pooled channel allocates quite a bit less and should be preferred. |
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Motivation:
We added the various internals of the connection pool but are yet to
surface it as public API. This PR does just that.
Modifications:
PooledChannel, aGRPCChannelwhich uses the connection poolGRPCPooledChannelandGRPCPooledChannel.Configurationwhichproduces
PooledChannels asGRPCChannels.Result:
We have a usable connection pool in the public API.