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30 lines
799 B
Go
30 lines
799 B
Go
/*
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Package rateio provides an io interfaces for rate-limiting.
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This can be used to apply rate limiting to any type that implements an io-style interface.
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For example, we can use it to restrict the reading rate of a net.Conn:
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type limitedConn struct {
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net.Conn
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io.Reader // Our rate-limited io.Reader for net.Conn
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}
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func (r *limitedConn) Read(p []byte) (n int, err error) {
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return r.Reader.Read(p)
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}
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// ReadLimitConn returns a net.Conn whose io.Reader interface is rate-limited by limiter.
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func ReadLimitConn(conn net.Conn, limiter rateio.Limiter) net.Conn {
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return &limitedConn{
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Conn: conn,
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Reader: rateio.NewReader(conn, limiter),
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}
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}
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Then we can use ReadLimitConn to wrap our existing net.Conn and continue using
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the wrapped version in its place.
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*/
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package rateio
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