zzy/goncdu
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

init

Browse Source
This commit is contained in:
ZZY 2025-02-10 16:26:13 +08:00
commit f6ca50ed1e
14 changed files with 1086 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
.gitignore vendored Normal file
View File

@ -0,0 +1,31 @@
# If you prefer the allow list template instead of the deny list, see community template:
# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
#
# Binaries for programs and plugins
*.exe
*.exe~
*.dll
*.so
*.dylib
# Test binary, built with `go test -c`
*.test
# Output of the go coverage tool, specifically when used with LiteIDE
*.out
# Dependency directories (remove the comment below to include it)
# vendor/
# Go workspace file
go.work
go.work.sum
# env file
.env
# consumer ignore
#
.vscode
main_test.go

3
README.md Normal file
View File

@ -0,0 +1,3 @@
# goncdu
The `goncdu` repository is a Go language implementation inspired by `ncdu`, designed to scan directories and display the results in a terminal interface. It provides a simple and interactive way to analyze disk usage. Below is a detailed overview of the repository contents and its functionality.

15
go.mod Normal file
View File

@ -0,0 +1,15 @@
module git.zzyxyz.com/zzy/goncdu
go 1.23.6
require (
github.com/gdamore/encoding v1.0.0 // indirect
github.com/gdamore/tcell/v2 v2.7.1 // indirect
github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
github.com/mattn/go-runewidth v0.0.15 // indirect
github.com/rivo/tview v0.0.0-20241227133733-17b7edb88c57 // indirect
github.com/rivo/uniseg v0.4.7 // indirect
golang.org/x/sys v0.17.0 // indirect
golang.org/x/term v0.17.0 // indirect
golang.org/x/text v0.14.0 // indirect
)

50
go.sum Normal file
View File

@ -0,0 +1,50 @@
github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko=
github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
github.com/gdamore/tcell/v2 v2.7.1 h1:TiCcmpWHiAU7F0rA2I3S2Y4mmLmO9KHxJ7E1QhYzQbc=
github.com/gdamore/tcell/v2 v2.7.1/go.mod h1:dSXtXTSK0VsW1biw65DZLZ2NKr7j0qP/0J7ONmsraWg=
github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U=
github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
github.com/rivo/tview v0.0.0-20241227133733-17b7edb88c57 h1:LmsF7Fk5jyEDhJk0fYIqdWNuTxSyid2W42A0L2YWjGE=
github.com/rivo/tview v0.0.0-20241227133733-17b7edb88c57/go.mod h1:02iFIz7K/A9jGCvrizLPvoqr4cEIx7q54RH5Qudkrss=
github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
github.com/rivo/uniseg v0.4.3/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
golang.org/x/term v0.17.0 h1:mkTF7LCd6WGJNL3K1Ad7kwxNfYAW6a8a8QqtMblp/4U=
golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

28
goncdu.go Normal file
View File

@ -0,0 +1,28 @@
package main
import (
"os"
"git.zzyxyz.com/zzy/goncdu/node"
"git.zzyxyz.com/zzy/goncdu/tui"
)
func main() {
argc := len(os.Args)
manager := node.NewNodeManager()
if argc == 1 {
// using mouse to click start
goto START
}
// arguments to start tui
manager.SetRootPath(os.Args[1])
// if !manager.SetRootPath(os.Args[1]) {
// if res := manager.SetRootPath("."); !res {
// fmt.Println("Invalid `.` Path")
// return
// }
// }
START:
tui.ShowMain(manager)
}

95
node/manager.go Normal file
View File

@ -0,0 +1,95 @@
package node
import (
"errors"
"sort"
"time"
)
type NodeManager struct {
root *PathNode
current *PathNode
scan_time time.Duration
}
func NewNodeManager() *NodeManager {
root := NewPathNode("")
return &NodeManager{
root: root,
current: root,
scan_time: time.Duration(0),
}
}
func (npm *NodeManager) VaildRoot() bool {
return npm.root.VaildPath()
}
func (npm *NodeManager) SetRootPath(path string) bool {
npm.root.path = path
return npm.root.VaildPath()
}
func (npm *NodeManager) GetScanTime() time.Duration {
return npm.scan_time
}
func (npm *NodeManager) SaveToFile() error {
return npm.root.ToJSON("saved.json.gz", JSON_GZ)
}
func (npm *NodeManager) LoadFromFile() error {
return npm.root.FromJSON("saved.json.gz", JSON_GZ)
}
func (npm *NodeManager) Scan() error {
if !npm.VaildRoot() {
return errors.New("root path not vaild")
}
npm.root.ClearWithoutFlush()
start := time.Now()
err := npm.root.FastChanIterScanNode(0)
if err != nil {
return err
}
npm.current = npm.root
npm.scan_time = time.Since(start)
return nil
}
func (npm *NodeManager) GetChildrenWithSorted() []*PathNode {
nodes := npm.current.GetChildren()
sort.Slice(nodes, func(i, j int) bool {
if nodes[i].size > nodes[j].size {
return true
} else if nodes[i].size < nodes[j].size {
return false
}
return nodes[i].path > nodes[j].path
})
return nodes
}
func (npm *NodeManager) GetCurrentNode() *PathNode {
return npm.current
}
func (npm *NodeManager) GoIn(pathName string) error {
res := npm.current.GetChild(pathName)
if res == nil {
return errors.New("children not found")
}
if res.node_type != DIR {
return errors.New("not a directory")
}
npm.current = res
return nil
}
func (npm *NodeManager) GoOut() error {
if npm.current.parent == nil {
return errors.New("you can't go out of root")
}
npm.current = npm.current.parent
return nil
}

104
node/node.go Normal file
View File

@ -0,0 +1,104 @@
package node
import (
"os"
)
// PathNodeType 表示路径节点类型
type PathNodeType int
const (
DIR PathNodeType = iota
FILE
UNKNOWN
// Stat
NOSCAN
)
// PathNode 表示目录树节点
type PathNode struct {
path string
children map[string]*PathNode
parent *PathNode
size int64
count int
node_type PathNodeType
}
func NewPathNode(path string) *PathNode {
return &PathNode{
path: path,
children: make(map[string]*PathNode),
parent: nil,
size: 0,
count: 0,
node_type: NOSCAN,
}
}
func (pn *PathNode) GetPath() string {
return pn.path
}
func (pn *PathNode) GetSize() int64 {
return pn.size
}
func (pn *PathNode) GetSizeByFormat() string {
return FormatSize(pn.size)
}
func (pn *PathNode) GetCount() int {
return pn.count
}
func (pn *PathNode) GetType() PathNodeType {
return pn.node_type
}
func (pn *PathNode) GetChildren() []*PathNode {
children := make([]*PathNode, 0, len(pn.children))
for _, child := range pn.children {
children = append(children, child)
}
return children
}
func (pn *PathNode) GetChild(path string) *PathNode {
return pn.children[path]
}
func (pn *PathNode) VaildPath() bool {
stat, err := os.Lstat(pn.path)
if err != nil {
return false
}
if stat.IsDir() {
return true
}
return false
}
// linkChild 添加子节点
func (pn *PathNode) linkChild(child *PathNode) {
child.parent = pn
pn.children[child.path] = child
}
func (pn *PathNode) flushNode(diff_size int64, diff_count int) {
pn.size += diff_size
pn.count += diff_count
if pn.parent == nil {
return
}
pn.parent.flushNode(diff_size, diff_count)
}
func (pn *PathNode) ClearWithoutFlush() {
for key, child := range pn.children {
child.ClearWithoutFlush()
child.parent = nil
delete(pn.children, key)
}
}

151
node/saved.go Normal file
View File

@ -0,0 +1,151 @@
package node
import (
"compress/gzip"
"encoding/json"
"errors"
"io"
"os"
)
type StoreType int
const (
JSON_GZ StoreType = iota
JSON_NO_IDENT
JSON_IDENT
)
// MarshalJSON 实现自定义序列化
func (pn *PathNode) MarshalJSON() ([]byte, error) {
type Alias PathNode
return json.Marshal(&struct {
*Alias
Path string `json:"path"`
Children map[string]*PathNode `json:"children"`
Count int `json:"count"`
Node_type PathNodeType `json:"type"`
Size int64 `json:"size"`
}{
Alias: (*Alias)(pn),
Path: pn.path,
Children: pn.children,
Count: pn.count,
Size: pn.size,
Node_type: pn.node_type,
})
}
// UnmarshalJSON 实现自定义反序列化
func (pn *PathNode) UnmarshalJSON(data []byte) error {
type Alias PathNode
temp := &struct {
*Alias
Path string `json:"path"`
Children map[string]*PathNode `json:"children"`
Count int `json:"count"`
Node_type PathNodeType `json:"type"`
Size int64 `json:"size"`
}{
Alias: (*Alias)(pn),
}
if err := json.Unmarshal(data, &temp); err != nil {
return err
}
pn.path = temp.Path
pn.children = temp.Children
pn.count = temp.Count
pn.size = temp.Size
pn.node_type = temp.Node_type
return nil
}
// ToJSON 将 PathNode 序列化为 JSON 字符串
func (pn *PathNode) ToJSON(savedPath string, savedType StoreType) error {
f, err := os.Create(savedPath)
if err != nil {
return err
}
defer f.Close()
switch savedType {
case JSON_GZ:
data, err := json.Marshal(pn)
if err != nil {
return err
}
gz := gzip.NewWriter(f)
defer gz.Close()
if _, err := gz.Write(data); err != nil {
return err
}
case JSON_NO_IDENT:
data, err := json.Marshal(pn)
if err != nil {
return err
}
if _, err = f.Write(data); err != nil {
return err
}
case JSON_IDENT:
data, err := json.MarshalIndent(pn, "", " ")
if err != nil {
return err
}
if _, err = f.Write(data); err != nil {
return err
}
}
return nil
}
// FromJSON 从 JSON 字符串反序列化为 PathNode
func (pn *PathNode) FromJSON(savedPath string, savedType StoreType) error {
if pn.parent != nil {
return errors.New("PathNode.Parent should be nil")
}
f, err := os.Open(savedPath)
if err != nil {
return err
}
defer f.Close()
var jsonData []byte
switch savedType {
case JSON_GZ:
gzr, err := gzip.NewReader(f)
if err != nil {
return err
}
defer gzr.Close()
if jsonData, err = io.ReadAll(gzr); err != nil {
return err
}
default:
// case JSON_IDENT:
// case JSON_NO_IDENT:
if jsonData, err = io.ReadAll(f); err != nil {
return err
}
}
pn.ClearWithoutFlush()
if err := json.Unmarshal([]byte(jsonData), pn); err != nil {
return err
}
// RestoreParentLinks 恢复 Parent 关系
var restoreParentLinks func(pn *PathNode)
restoreParentLinks = func(pn *PathNode) {
for _, child := range pn.children {
child.parent = pn
restoreParentLinks(child)
}
}
restoreParentLinks(pn)
return nil
}

26
node/saved_test.go Normal file
View File

@ -0,0 +1,26 @@
package node
import (
"os"
"reflect"
"testing"
)
func TestJSON_GZ(t *testing.T) {
jsonName := "saved.json.gz"
tmpnode := NewPathNode(".")
tmpnode.IterScanNode()
if err := tmpnode.ToJSON(jsonName, JSON_GZ); err != nil {
t.Fatal(err)
}
readNode := NewPathNode("")
if err := readNode.FromJSON(jsonName, JSON_GZ); err != nil {
t.Fatal(err)
}
os.Remove(jsonName)
if !reflect.DeepEqual(tmpnode, readNode) {
t.Fatal("not equal")
}
}

193
node/scan.go Normal file
View File

@ -0,0 +1,193 @@
package node
import (
"os"
"runtime"
"sync"
)
func (pn *PathNode) ScanPath() error {
stat, err := os.Lstat(pn.path)
var nodeType PathNodeType
if err != nil {
// return fmt.Errorf("error os.Lstat: [%w]", err)
goto ERR_UNKNOWN
}
if stat.IsDir() {
entries, err := os.ReadDir(pn.path)
if err != nil {
nodeType = UNKNOWN
} else {
for _, entry := range entries {
childNode := NewPathNode(pn.path + "/" + entry.Name())
pn.linkChild(childNode)
}
nodeType = DIR
}
} else if stat.Mode().IsRegular() {
nodeType = FILE
} else {
nodeType = UNKNOWN
}
pn.node_type = nodeType
pn.size = stat.Size()
pn.count = 1
return nil
ERR_UNKNOWN:
pn.count = 1
pn.node_type = UNKNOWN
return nil
}
func (pn *PathNode) IterScanNode() error {
err := pn.ScanPath()
if err != nil {
return err
}
if pn.node_type == DIR {
for _, entry := range pn.children {
err = entry.IterScanNode()
if err != nil {
return err
}
}
pn.count--
pn.flushNode(0, 1)
} else {
pn.flushNode(pn.size, pn.count)
}
return nil
}
func (pn *PathNode) FastIterScanNode() error {
var wg sync.WaitGroup
var nodeMu sync.Mutex
errChan := make(chan error)
// queue := make(chan *PathNode)
maxWorker := runtime.NumCPU()
curWorker := 1
var wkMu sync.Mutex
var worker func(node *PathNode, isWorker bool)
worker = func(node *PathNode, isWorker bool) {
err := node.ScanPath()
if err != nil {
errChan <- err
return
}
if node.node_type == DIR {
for _, entry := range node.children {
wkMu.Lock()
if curWorker < maxWorker {
curWorker++
wkMu.Unlock()
wg.Add(1)
go worker(entry, true)
} else {
wkMu.Unlock()
worker(entry, false)
}
}
}
if node.parent != nil {
nodeMu.Lock()
if node.node_type == DIR {
node.parent.flushNode(0, 1)
} else {
node.parent.flushNode(node.size, node.count)
}
nodeMu.Unlock()
}
if isWorker {
wkMu.Lock()
curWorker--
wkMu.Unlock()
wg.Done()
}
}
wg.Add(1)
go worker(pn, true)
go func() {
wg.Wait()
close(errChan)
}()
for err := range errChan {
return err
}
return nil
}
func (pn *PathNode) FastChanIterScanNode(maxWorker int) error {
var wg sync.WaitGroup
errChan := make(chan error)
if maxWorker <= 0 {
maxWorker = runtime.NumCPU()
}
nodeCh := make(chan bool, 1)
defer close(nodeCh)
wkCh := make(chan bool, maxWorker)
defer close(wkCh)
var worker func(node *PathNode, isWorker bool)
worker = func(node *PathNode, isWorker bool) {
err := node.ScanPath()
if err != nil {
errChan <- err
return
}
if node.node_type == DIR {
for _, entry := range node.children {
select {
case wkCh <- true:
wg.Add(1)
go worker(entry, true)
default:
worker(entry, false)
}
}
}
if node.parent != nil {
nodeCh <- true
if node.node_type == DIR {
node.parent.flushNode(0, 1)
} else {
node.parent.flushNode(node.size, node.count)
}
<-nodeCh
}
if isWorker {
<-wkCh
wg.Done()
}
}
wg.Add(1)
wkCh <- true
go worker(pn, true)
go func() {
wg.Wait()
close(errChan)
}()
for err := range errChan {
return err
}
return nil
}

78
node/scan_test.go Normal file
View File

@ -0,0 +1,78 @@
package node
import (
"os"
"testing"
)
// 辅助函数：创建临时文件系统
func setupTestFileSystem(t *testing.T) (string, *PathNode) {
tempDir, err := os.MkdirTemp("", "test-scan")
if err != nil {
t.Fatalf("Failed to create temp dir: %v", err)
}
// 创建子目录和文件
subDir := tempDir + "/subdir"
err = os.Mkdir(subDir, 0755)
if err != nil {
t.Fatalf("Failed to create sub directory: %v", err)
}
tempFile, err := os.CreateTemp(subDir, "testfile")
if err != nil {
t.Fatalf("Failed to create temp file: %v", err)
}
tempFile.Close()
// 创建 PathNode
pn := NewPathNode(tempDir)
return tempDir, pn
}
// 辅助函数：验证扫描结果
func verifyScanResult(t *testing.T, pn *PathNode) {
if pn.node_type != DIR {
t.Errorf("Expected node type DIR, got %v", pn.node_type)
}
if pn.count != 3 { // 1 for the subdir, 1 for the file
t.Errorf("Expected count 3, got %v", pn.count)
}
}
func TestIterScanNode(t *testing.T) {
tempDir, pn := setupTestFileSystem(t)
defer os.RemoveAll(tempDir)
err := pn.IterScanNode()
if err != nil {
t.Errorf("IterScanNode failed: %v", err)
}
verifyScanResult(t, pn)
}
func TestFastIterScanNode(t *testing.T) {
tempDir, pn := setupTestFileSystem(t)
defer os.RemoveAll(tempDir)
err := pn.FastIterScanNode()
if err != nil {
t.Errorf("FastIterScanNode failed: %v", err)
}
verifyScanResult(t, pn)
}
func TestFastChanIterScanNode(t *testing.T) {
tempDir, pn := setupTestFileSystem(t)
defer os.RemoveAll(tempDir)
err := pn.FastChanIterScanNode(0) // 使用默认的 maxWorker
if err != nil {
t.Errorf("FastChanIterScanNode failed: %v", err)
}
verifyScanResult(t, pn)
}

26
node/utils.go Normal file
View File

@ -0,0 +1,26 @@
package node
import "fmt"
// BytesToHumanReadable 将字节数转换为人类可读的字符串
func BytesToHumanReadable(num float64, suffix string) string {
for _, unit := range []string{"", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi"} {
if num < 1024 {
return fmt.Sprintf("%3.1f %s%s", float64(num), unit, suffix)
}
num /= 1024
}
return fmt.Sprintf("%.1f Yi%s", float64(num), suffix)
}
// FormatSize 格式化大小为人类可读的格式
func FormatSize(size int64) string {
res := BytesToHumanReadable(float64(size), "B") //.PadLeft(10)
return fmt.Sprintf("%10s", res)
}
func (pn *PathNode) ShowChildrenSimple() {
for _, child := range pn.children {
fmt.Printf("%d %s %s %d\n", child.node_type, FormatSize(child.size), child.path, child.count)
}
}

230
tui/tui.go Normal file
View File

@ -0,0 +1,230 @@
// go get github.com/rivo/tview@master
package tui
import (
"errors"
"fmt"
"strings"
node "git.zzyxyz.com/zzy/goncdu/node"
"git.zzyxyz.com/zzy/goncdu/utils"
"github.com/gdamore/tcell/v2"
"github.com/rivo/tview"
)
type UI struct {
app *tview.Application
main *tview.Frame
msg string
err string
list *tview.List
node *node.NodeManager
nodes []*node.PathNode
inputPath *tview.InputField
}
func NewUI(n *node.NodeManager) *UI {
list := tview.NewList()
list.ShowSecondaryText(false).
SetTitleAlign(tview.AlignLeft).
SetTitleColor(tcell.ColorWhite)
frame := tview.NewFrame(list).
SetBorders(0, 0, 0, 0, 1, 1)
ui := &UI{
app: tview.NewApplication().SetRoot(frame, true),
main: frame,
msg: "",
err: "",
list: list,
node: n,
}
ui.list.SetInputCapture(
func(event *tcell.EventKey) *tcell.EventKey {
switch event.Key() {
case tcell.KeyRight:
idx := ui.list.GetCurrentItem()
if len(ui.nodes) == 0 {
ui.err = errors.New("no children nodes").Error()
break
}
name := ui.nodes[idx].GetPath()
if err := ui.node.GoIn(name); err != nil {
ui.err = err.Error()
break
}
case tcell.KeyLeft:
if err := ui.node.GoOut(); err != nil {
ui.err = err.Error()
}
case tcell.KeyRune:
switch event.Rune() {
case 'q':
ui.app.Stop()
case '?':
// show help
ui.showHelp()
case 'R':
ui.app.SetRoot(ui.inputPath, true)
case 'S':
if err := ui.node.SaveToFile(); err != nil {
ui.err = err.Error()
}
case 'L':
if err := ui.node.LoadFromFile(); err != nil {
ui.err = err.Error()
}
default:
return event
}
default:
return event
}
// END:
ui.renderList()
return nil
})
return ui
}
func (ui *UI) showHelp() {
helpText := []string{
"goncdu Help",
"-------------------------",
"Use the arrow keys to navigate:",
" ↑ (up) : Move up",
" ↓ (down) : Move down",
" → (right) : Enter directory",
" ← (left) : Go up one directory",
"-------------------------",
"Other commands:",
" R : ReInput scan path",
" f : Refresh cache",
" q : Quit",
" ? : Show this help message",
"-------------------------",
"Press q, Enter, Esc key to return",
}
// 调整字符串长度使其一致
maxLength := 0
for _, line := range helpText {
if len(line) > maxLength {
maxLength = len(line)
}
}
var helpContent strings.Builder
for _, line := range helpText {
paddedLine := fmt.Sprintf("%-*s", maxLength, line)
helpContent.WriteString(paddedLine)
helpContent.WriteString("\n")
}
// 创建一个模态窗口并添加 TextView
modal := tview.NewModal().
SetText(helpContent.String())
modal.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
if event.Key() == tcell.KeyEscape || event.Key() == tcell.KeyEnter ||
(event.Key() == tcell.KeyRune && event.Rune() == 'q') {
ui.app.SetRoot(ui.main, true)
}
return event
})
// 设置模态窗口为应用的根节点
ui.app.SetRoot(modal, false)
}
func (ui *UI) drawHeaderFooter() {
curNode := ui.node.GetCurrentNode()
ui.main.Clear().
AddText("goncdu test ~ Use the arrow keys to navigate, press ? for help",
true, tview.AlignLeft, tcell.ColorWhite).
AddText(fmt.Sprintf("--- %s", curNode.GetPath()),
true, tview.AlignLeft, tcell.ColorWhite).
AddText(fmt.Sprintf("Total Size = %s Items = %d --- Scaning time = %s",
node.FormatSize(curNode.GetSize()), curNode.GetCount()-1, ui.node.GetScanTime()),
false, tview.AlignLeft, tcell.ColorWhite).
AddText(ui.err, false, tview.AlignLeft, tcell.ColorGrey)
}
func (ui *UI) drawList(items []string) {
ui.list.Clear()
for _, item := range items {
ui.list.AddItem(item, "", 0, nil)
}
}
func (ui *UI) run() {
if err := ui.app.Run(); err != nil {
panic(err)
}
}
func (ui *UI) renderList() {
icon_type := map[node.PathNodeType]string{
node.DIR: "📁",
node.FILE: "📄",
node.UNKNOWN: "❓",
}
nodes := ui.node.GetChildrenWithSorted()
ui.nodes = nodes
renderLine := func(entry *node.PathNode) string {
return fmt.Sprintf("%s %10s %10s %s\n", icon_type[entry.GetType()],
node.FormatSize(entry.GetSize()),
utils.FormatProgressBar(entry.GetSize(), nodes[0].GetSize(), 10,
[]string{" ", "▏", "▎", "▍", "▌", "▋", "▊", "▉", "█"}),
entry.GetPath())
}
str_list := make([]string, len(nodes))
for idx, child := range nodes {
ret := renderLine(child)
str_list[idx] = ret
}
ui.drawList(str_list)
ui.drawHeaderFooter()
}
func (ui *UI) scanPath() {
err := ui.node.Scan()
if err != nil {
ui.err = err.Error()
}
ui.renderList()
}
func ShowMain(entry *node.NodeManager) {
ui := NewUI(entry)
// need input path
inputPath := tview.NewInputField()
ui.inputPath = inputPath
inputPath.SetLabel("Input Path: ").
SetFieldWidth(4096).
SetDoneFunc(func(key tcell.Key) {
if key == tcell.KeyEnter {
path := inputPath.GetText()
valid := ui.node.SetRootPath(path)
if valid {
ui.app.SetRoot(ui.main, true)
ui.scanPath()
} else {
inputPath.SetLabel("Invalid Path")
}
}
})
if entry.VaildRoot() {
ui.app.SetRoot(ui.main, true)
ui.scanPath()
} else {
ui.app.SetRoot(inputPath, true)
}
ui.run()
}

56
tui/utils.go Normal file
View File

@ -0,0 +1,56 @@
package tui
import (
"fmt"
"math"
)
// TruncateStr 截断字符串以适应给定宽度
func TruncateStr(inStr string, maxWidth int) string {
if len(inStr) <= maxWidth {
return inStr
}
headLen := (maxWidth - 3) / 2
tailLen := maxWidth - headLen - 3
return fmt.Sprintf("%s...%s", inStr[:headLen], inStr[len(inStr)-tailLen:])
}
// FormatProgressBar generates a progress bar string.
func FormatProgressBar(size, maxSize int64, width int, blockChars []string) string {
if blockChars == nil || len(blockChars) < 2 {
blockChars = []string{" ", "#"}
}
if maxSize == 0 {
return "[" + repeatString(blockChars[0], width) + "]"
}
ratio := float64(size) / float64(maxSize)
filledLength := int(ratio * float64(width))
remainingLength := width - filledLength
// Calculate the fractional part
fractionalPart := math.Mod(ratio*float64(width), 1.0)
// Create the progress bar string
progressBar := repeatString(blockChars[len(blockChars)-1], filledLength)
if fractionalPart > 0 && filledLength < width {
// Calculate the index for the fractional part
fractionalIndex := int(fractionalPart*float64(len(blockChars)-2)) + 1
progressBar += blockChars[fractionalIndex]
remainingLength--
}
progressBar += repeatString(blockChars[0], remainingLength)
return "[" + progressBar + "]"
}
// repeatString repeats a string n times.
func repeatString(s string, n int) string {
result := ""
for i := 0; i < n; i++ {
result += s
}
return result
}