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author | Christopher Speller <crspeller@gmail.com> | 2016-11-16 19:28:52 -0500 |
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committer | GitHub <noreply@github.com> | 2016-11-16 19:28:52 -0500 |
commit | 0135904f7d3e1c0e763adaefe267c736616e3d26 (patch) | |
tree | c27be7588f98eaea62e0bd0c0087f2b348da9738 /vendor/golang.org/x/net/http2/http2.go | |
parent | 0b296dd8c2aefefe89787be5cc627d44cf431150 (diff) | |
download | chat-0135904f7d3e1c0e763adaefe267c736616e3d26.tar.gz chat-0135904f7d3e1c0e763adaefe267c736616e3d26.tar.bz2 chat-0135904f7d3e1c0e763adaefe267c736616e3d26.zip |
Upgrading server dependancies (#4566)
Diffstat (limited to 'vendor/golang.org/x/net/http2/http2.go')
-rw-r--r-- | vendor/golang.org/x/net/http2/http2.go | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/vendor/golang.org/x/net/http2/http2.go b/vendor/golang.org/x/net/http2/http2.go index 2e27b093c..b6b0f9ad1 100644 --- a/vendor/golang.org/x/net/http2/http2.go +++ b/vendor/golang.org/x/net/http2/http2.go @@ -36,6 +36,7 @@ var ( VerboseLogs bool logFrameWrites bool logFrameReads bool + inTests bool ) func init() { @@ -77,13 +78,23 @@ var ( type streamState int +// HTTP/2 stream states. +// +// See http://tools.ietf.org/html/rfc7540#section-5.1. +// +// For simplicity, the server code merges "reserved (local)" into +// "half-closed (remote)". This is one less state transition to track. +// The only downside is that we send PUSH_PROMISEs slightly less +// liberally than allowable. More discussion here: +// https://lists.w3.org/Archives/Public/ietf-http-wg/2016JulSep/0599.html +// +// "reserved (remote)" is omitted since the client code does not +// support server push. const ( stateIdle streamState = iota stateOpen stateHalfClosedLocal stateHalfClosedRemote - stateResvLocal - stateResvRemote stateClosed ) @@ -92,8 +103,6 @@ var stateName = [...]string{ stateOpen: "Open", stateHalfClosedLocal: "HalfClosedLocal", stateHalfClosedRemote: "HalfClosedRemote", - stateResvLocal: "ResvLocal", - stateResvRemote: "ResvRemote", stateClosed: "Closed", } @@ -253,14 +262,27 @@ func newBufferedWriter(w io.Writer) *bufferedWriter { return &bufferedWriter{w: w} } +// bufWriterPoolBufferSize is the size of bufio.Writer's +// buffers created using bufWriterPool. +// +// TODO: pick a less arbitrary value? this is a bit under +// (3 x typical 1500 byte MTU) at least. Other than that, +// not much thought went into it. +const bufWriterPoolBufferSize = 4 << 10 + var bufWriterPool = sync.Pool{ New: func() interface{} { - // TODO: pick something better? this is a bit under - // (3 x typical 1500 byte MTU) at least. - return bufio.NewWriterSize(nil, 4<<10) + return bufio.NewWriterSize(nil, bufWriterPoolBufferSize) }, } +func (w *bufferedWriter) Available() int { + if w.bw == nil { + return bufWriterPoolBufferSize + } + return w.bw.Available() +} + func (w *bufferedWriter) Write(p []byte) (n int, err error) { if w.bw == nil { bw := bufWriterPool.Get().(*bufio.Writer) |