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authorgVisor bot <gvisor-bot@google.com>2020-10-06 03:47:28 +0000
committergVisor bot <gvisor-bot@google.com>2020-10-06 03:47:28 +0000
commit8afb4bb7c716d2878834206a587ef5a81e53c1a2 (patch)
treef1a16cec3b986c4561fc593919b8ca33719b3dd6 /pkg/tcpip/buffer
parent1070297816ef242d77cffe161bfea993c97f84a7 (diff)
parent798cc6b04dc1206538b2cedb1af427e0d5468b46 (diff)
Merge release-20200928.0-50-g798cc6b04 (automated)
Diffstat (limited to 'pkg/tcpip/buffer')
-rw-r--r--pkg/tcpip/buffer/view.go18
1 files changed, 13 insertions, 5 deletions
diff --git a/pkg/tcpip/buffer/view.go b/pkg/tcpip/buffer/view.go
index ea0c5413d..8db70a700 100644
--- a/pkg/tcpip/buffer/view.go
+++ b/pkg/tcpip/buffer/view.go
@@ -84,8 +84,8 @@ type VectorisedView struct {
size int
}
-// NewVectorisedView creates a new vectorised view from an already-allocated slice
-// of View and sets its size.
+// NewVectorisedView creates a new vectorised view from an already-allocated
+// slice of View and sets its size.
func NewVectorisedView(size int, views []View) VectorisedView {
return VectorisedView{views: views, size: size}
}
@@ -170,8 +170,9 @@ func (vv *VectorisedView) CapLength(length int) {
}
// Clone returns a clone of this VectorisedView.
-// If the buffer argument is large enough to contain all the Views of this VectorisedView,
-// the method will avoid allocations and use the buffer to store the Views of the clone.
+// If the buffer argument is large enough to contain all the Views of this
+// VectorisedView, the method will avoid allocations and use the buffer to
+// store the Views of the clone.
func (vv *VectorisedView) Clone(buffer []View) VectorisedView {
return VectorisedView{views: append(buffer[:0], vv.views...), size: vv.size}
}
@@ -209,7 +210,8 @@ func (vv *VectorisedView) PullUp(count int) (View, bool) {
return newFirst, true
}
-// Size returns the size in bytes of the entire content stored in the vectorised view.
+// Size returns the size in bytes of the entire content stored in the
+// vectorised view.
func (vv *VectorisedView) Size() int {
return vv.size
}
@@ -222,6 +224,12 @@ func (vv *VectorisedView) ToView() View {
if len(vv.views) == 1 {
return vv.views[0]
}
+ return vv.ToOwnedView()
+}
+
+// ToOwnedView returns a single view containing the content of the vectorised
+// view that vv does not own.
+func (vv *VectorisedView) ToOwnedView() View {
u := make([]byte, 0, vv.size)
for _, v := range vv.views {
u = append(u, v...)