[chore] remove vendor

1 files changed, 0 insertions, 120 deletions

diff --git a/vendor/golang.org/x/net/http2/flow.go b/vendor/golang.org/x/net/http2/flow.go
deleted file mode 100644
index b7dbd1869..000000000
--- a/vendor/golang.org/x/net/http2/flow.go
+++ /dev/null
@@ -1,120 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Flow control
-
-package http2
-
-// inflowMinRefresh is the minimum number of bytes we'll send for a
-// flow control window update.
-const inflowMinRefresh = 4 << 10
-
-// inflow accounts for an inbound flow control window.
-// It tracks both the latest window sent to the peer (used for enforcement)
-// and the accumulated unsent window.
-type inflow struct {
-	avail  int32
-	unsent int32
-}
-
-// init sets the initial window.
-func (f *inflow) init(n int32) {
-	f.avail = n
-}
-
-// add adds n bytes to the window, with a maximum window size of max,
-// indicating that the peer can now send us more data.
-// For example, the user read from a {Request,Response} body and consumed
-// some of the buffered data, so the peer can now send more.
-// It returns the number of bytes to send in a WINDOW_UPDATE frame to the peer.
-// Window updates are accumulated and sent when the unsent capacity
-// is at least inflowMinRefresh or will at least double the peer's available window.
-func (f *inflow) add(n int) (connAdd int32) {
-	if n < 0 {
-		panic("negative update")
-	}
-	unsent := int64(f.unsent) + int64(n)
-	// "A sender MUST NOT allow a flow-control window to exceed 2^31-1 octets."
-	// RFC 7540 Section 6.9.1.
-	const maxWindow = 1<<31 - 1
-	if unsent+int64(f.avail) > maxWindow {
-		panic("flow control update exceeds maximum window size")
-	}
-	f.unsent = int32(unsent)
-	if f.unsent < inflowMinRefresh && f.unsent < f.avail {
-		// If there aren't at least inflowMinRefresh bytes of window to send,
-		// and this update won't at least double the window, buffer the update for later.
-		return 0
-	}
-	f.avail += f.unsent
-	f.unsent = 0
-	return int32(unsent)
-}
-
-// take attempts to take n bytes from the peer's flow control window.
-// It reports whether the window has available capacity.
-func (f *inflow) take(n uint32) bool {
-	if n > uint32(f.avail) {
-		return false
-	}
-	f.avail -= int32(n)
-	return true
-}
-
-// takeInflows attempts to take n bytes from two inflows,
-// typically connection-level and stream-level flows.
-// It reports whether both windows have available capacity.
-func takeInflows(f1, f2 *inflow, n uint32) bool {
-	if n > uint32(f1.avail) || n > uint32(f2.avail) {
-		return false
-	}
-	f1.avail -= int32(n)
-	f2.avail -= int32(n)
-	return true
-}
-
-// outflow is the outbound flow control window's size.
-type outflow struct {
-	_ incomparable
-
-	// n is the number of DATA bytes we're allowed to send.
-	// An outflow is kept both on a conn and a per-stream.
-	n int32
-
-	// conn points to the shared connection-level outflow that is
-	// shared by all streams on that conn. It is nil for the outflow
-	// that's on the conn directly.
-	conn *outflow
-}
-
-func (f *outflow) setConnFlow(cf *outflow) { f.conn = cf }
-
-func (f *outflow) available() int32 {
-	n := f.n
-	if f.conn != nil && f.conn.n < n {
-		n = f.conn.n
-	}
-	return n
-}
-
-func (f *outflow) take(n int32) {
-	if n > f.available() {
-		panic("internal error: took too much")
-	}
-	f.n -= n
-	if f.conn != nil {
-		f.conn.n -= n
-	}
-}
-
-// add adds n bytes (positive or negative) to the flow control window.
-// It returns false if the sum would exceed 2^31-1.
-func (f *outflow) add(n int32) bool {
-	sum := f.n + n
-	if (sum > n) == (f.n > 0) {
-		f.n = sum
-		return true
-	}
-	return false
-}