Merge branch 'main' into dev

Author: lfm

.gitignore

@@ -3,7 +3,6 @@ gofound
 /gofound
 /tmp/
 /index/
-/go.sum
 /.idea/
 /*/*.bin
 /cache

core/initialize.go

@@ -24,7 +24,9 @@ func NewContainer(tokenizer *words.Tokenizer) *searcher.Container {
 		Shard:     global.CONFIG.Shard,
 		Timeout:   global.CONFIG.Timeout,
 	}
-	go container.Init()
+	if err := container.Init(); err != nil {
+		panic(err)
+	}
 
 	return container
 }

go.mod

@@ -8,46 +8,23 @@ require (
 	github.com/gin-gonic/gin v1.7.7
 	github.com/ryszard/goskiplist v0.0.0-20150312221310-2dfbae5fcf46
 	github.com/shirou/gopsutil/v3 v3.22.4
-	github.com/spf13/viper v1.11.0
 	github.com/syndtr/goleveldb v1.0.0
 	github.com/wangbin/jiebago v0.3.2
 )
 
 require (
-	github.com/fsnotify/fsnotify v1.5.1 // indirect
-	github.com/gin-contrib/sse v0.1.0 // indirect
-	github.com/go-ole/go-ole v1.2.6 // indirect
-	github.com/go-playground/locales v0.13.0 // indirect
-	github.com/go-playground/universal-translator v0.17.0 // indirect
-	github.com/go-playground/validator/v10 v10.4.1 // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db // indirect
-	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/golang/snappy v0.0.3 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/leodido/go-urn v1.2.0 // indirect
-	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
-	github.com/magiconair/properties v1.8.6 // indirect
+	github.com/kr/pretty v0.2.0 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
-	github.com/mitchellh/mapstructure v1.4.3 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/pelletier/go-toml v1.9.4 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.0-beta.8 // indirect
-	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
-	github.com/spf13/afero v1.8.2 // indirect
-	github.com/spf13/cast v1.4.1 // indirect
-	github.com/spf13/jwalterweatherman v1.1.0 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/subosito/gotenv v1.2.0 // indirect
-	github.com/tklauser/go-sysconf v0.3.10 // indirect
-	github.com/tklauser/numcpus v0.4.0 // indirect
-	github.com/ugorji/go/codec v1.1.7 // indirect
-	github.com/yusufpapurcu/wmi v1.2.2 // indirect
 	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 // indirect
+	golang.org/x/net v0.0.0-20220412020605-290c469a71a5 // indirect
 	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad // indirect
-	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/xerrors v0.0.0-20220411194840-2f41105eb62f // indirect
 	google.golang.org/protobuf v1.28.0 // indirect
-	gopkg.in/ini.v1 v1.66.4 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
+	gopkg.in/yaml.v2 v2.4.0
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )

go.sum

@@ -0,0 +1,146 @@
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searcher/engine.go

@@ -9,10 +9,8 @@ import (
 	"gofound/searcher/storage"
 	"gofound/searcher/utils"
 	"gofound/searcher/words"
-	"io/ioutil"
 	"log"
 	"os"
-	"path"
 	"runtime"
 	"strings"
 	"sync"
@@ -326,8 +324,6 @@ func (e *Engine) MultiSearch(request *model.SearchRequest) *model.SearchResult {
 	//分词搜索
 	words := e.Tokenizer.Cut(request.Query)
 
-	totalTime := float64(0)
-
 	fastSort := &sorts.FastSort{
 		IsDebug: e.IsDebug,
 		Order:   request.Order,
@@ -345,7 +341,6 @@ func (e *Engine) MultiSearch(request *model.SearchRequest) *model.SearchResult {
 		wg.Wait()
 	})
 	if e.IsDebug {
-		log.Println("数组查找耗时：", totalTime, "ms")
 		log.Println("搜索时间:", _time, "ms")
 	}
 	// 处理分页
@@ -539,17 +534,9 @@ func (e *Engine) Drop() error {
 	e.Lock()
 	defer e.Unlock()
 	//删除文件
-	dir, err := ioutil.ReadDir(e.IndexPath)
-	if err != nil {
+	if err := os.RemoveAll(e.IndexPath); err != nil {
 		return err
 	}
-	for _, d := range dir {
-		err := os.RemoveAll(path.Join([]string{d.Name()}...))
-		if err != nil {
-			return err
-		}
-		os.Remove(e.IndexPath)
-	}
 
 	//清空内存
 	for i := 0; i < e.Shard; i++ {

searcher/storage/leveldb_storage.go

@@ -5,21 +5,23 @@ import (
 	"github.com/syndtr/goleveldb/leveldb/filter"
 	"github.com/syndtr/goleveldb/leveldb/opt"
 	"log"
+	"sync"
 	"time"
 )
 
 // LeveldbStorage TODO 要支持事务
 type LeveldbStorage struct {
 	db       *leveldb.DB
 	path     string
+	mu       sync.RWMutex //加锁
 	closed   bool
 	timeout  int64
 	lastTime int64
 	count    int64
 }
 
 func (s *LeveldbStorage) autoOpenDB() {
-	if s.closed {
+	if s.isClosed() {
 		s.ReOpen()
 	}
 	s.lastTime = time.Now().Unix()
@@ -47,7 +49,7 @@ func (s *LeveldbStorage) task() {
 	}
 	for {
 
-		if !s.closed && time.Now().Unix()-s.lastTime > s.timeout {
+		if !s.isClosed() && time.Now().Unix()-s.lastTime > s.timeout {
 			s.Close()
 			//log.Println("leveldb storage timeout", s.path)
 		}
@@ -68,17 +70,18 @@ func openDB(path string) (*leveldb.DB, error) {
 	return db, err
 }
 func (s *LeveldbStorage) ReOpen() {
-	if !s.closed {
+	if !s.isClosed() {
 		log.Println("db is not closed")
 		return
 	}
+	s.mu.Lock()
 	db, err := openDB(s.path)
 	if err != nil {
-		return
+		panic(err)
 	}
 	s.db = db
 	s.closed = false
-
+	s.mu.Unlock()
 	//计算总条数
 	go s.compute()
 }
@@ -117,17 +120,22 @@ func (s *LeveldbStorage) Delete(key []byte) error {
 
 // Close 关闭
 func (s *LeveldbStorage) Close() error {
-	if s.closed {
+	if s.isClosed() {
 		return nil
 	}
+	s.mu.Lock()
 	err := s.db.Close()
 	if err != nil {
 		return err
 	}
 	s.closed = true
+	s.mu.Unlock()
 	return nil
 }
+
 func (s *LeveldbStorage) isClosed() bool {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
 	return s.closed
 }
 
@@ -142,7 +150,7 @@ func (s *LeveldbStorage) compute() {
 }
 
 func (s *LeveldbStorage) GetCount() int64 {
-	if s.count == 0 && s.closed {
+	if s.count == 0 && s.isClosed() {
 		s.ReOpen()
 		s.compute()
 	}

tests/chan_test.go

@@ -15,12 +15,11 @@ func TestChan(t *testing.T) {
 		for {
 			time.Sleep(time.Second * 1)
 			data <- rand.Intn(100)
+			break
 		}
 	}()
 
-	for {
-		r := <-data
-		fmt.Println(r)
-	}
+	r := <-data
+	fmt.Println(r)
 
 }