mirror of
https://github.com/ethereum/go-ethereum.git
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388d8ccd9f
* simv2: wip * simulation: exec adapter start/stop * simulation: add node status to exec adapter * simulation: initial simulation code * simulation: exec adapter, configure path to executable * simulation: initial docker adapter * simulation: wip kubernetes adapter * simulation: kubernetes adapter proxy * simulation: implement GetAll/StartAll/StopAll * simulation: kuberentes adapter - set env vars and resource limits * simulation: discovery test * simulation: remove port definitions within docker adapter * simulation: simplify wait for healthy loop * simulation: get nat ip addr from interface * simulation: pull docker images automatically * simulation: NodeStatus -> NodeInfo * simulation: move discovery test to example dir * simulation: example snapshot usage * simulation: add goclient specific simulation * simulation: add peer connections to snapshot * simulation: close rpc client * simulation: don't export kubernetes proxy server * simulation: merge simulation code * simulation: don't export nodemap * simulation: rename SimulationSnapshot -> Snapshot * simulation: linting fixes * simulation: add k8s available helper func * simulation: vendor * simulation: fix 'no non-test Go files' when building * simulation: remove errors from interface methods where non were returned * simulation: run getHealthInfo check in parallel
110 lines
2.3 KiB
Go
110 lines
2.3 KiB
Go
// +build !windows
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/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package fs
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import (
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"context"
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"os"
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"path/filepath"
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"syscall"
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)
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type inode struct {
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// TODO(stevvooe): Can probably reduce memory usage by not tracking
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// device, but we can leave this right for now.
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dev, ino uint64
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}
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func newInode(stat *syscall.Stat_t) inode {
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return inode{
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// Dev is uint32 on darwin/bsd, uint64 on linux/solaris
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dev: uint64(stat.Dev), // nolint: unconvert
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// Ino is uint32 on bsd, uint64 on darwin/linux/solaris
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ino: uint64(stat.Ino), // nolint: unconvert
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}
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}
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func diskUsage(ctx context.Context, roots ...string) (Usage, error) {
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var (
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size int64
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inodes = map[inode]struct{}{} // expensive!
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)
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for _, root := range roots {
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if err := filepath.Walk(root, func(path string, fi os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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select {
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case <-ctx.Done():
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return ctx.Err()
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default:
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}
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inoKey := newInode(fi.Sys().(*syscall.Stat_t))
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if _, ok := inodes[inoKey]; !ok {
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inodes[inoKey] = struct{}{}
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size += fi.Size()
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}
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return nil
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}); err != nil {
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return Usage{}, err
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}
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}
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return Usage{
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Inodes: int64(len(inodes)),
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Size: size,
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}, nil
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}
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func diffUsage(ctx context.Context, a, b string) (Usage, error) {
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var (
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size int64
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inodes = map[inode]struct{}{} // expensive!
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)
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if err := Changes(ctx, a, b, func(kind ChangeKind, _ string, fi os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if kind == ChangeKindAdd || kind == ChangeKindModify {
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inoKey := newInode(fi.Sys().(*syscall.Stat_t))
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if _, ok := inodes[inoKey]; !ok {
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inodes[inoKey] = struct{}{}
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size += fi.Size()
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}
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return nil
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}
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return nil
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}); err != nil {
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return Usage{}, err
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}
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return Usage{
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Inodes: int64(len(inodes)),
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Size: size,
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}, nil
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}
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