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fileserver.go
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fileserver.go
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package main
import (
"bytes"
"crypto/md5"
"crypto/rand"
"crypto/sha1"
"encoding/base64"
"errors"
"flag"
"fmt"
"github.com/astaxie/beego/httplib"
"github.com/deckarep/golang-set"
_ "github.com/eventials/go-tus"
"github.com/json-iterator/go"
log "github.com/sjqzhang/seelog"
"github.com/sjqzhang/tusd"
"github.com/sjqzhang/tusd/filestore"
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/util"
"io"
"io/ioutil"
slog "log"
random "math/rand"
"mime/multipart"
"net"
"net/http"
_ "net/http/pprof"
"net/smtp"
"net/url"
"os"
"os/signal"
"path"
"path/filepath"
"reflect"
"regexp"
"runtime"
"runtime/debug"
"strconv"
"strings"
"sync"
"sync/atomic"
"syscall"
"time"
"unsafe"
)
var staticHandler http.Handler
var json = jsoniter.ConfigCompatibleWithStandardLibrary
var server *Server
var logacc log.LoggerInterface
var FOLDERS = []string{DATA_DIR, STORE_DIR, CONF_DIR, STATIC_DIR}
var CONST_QUEUE_SIZE = 10000
var (
FileName string
ptr unsafe.Pointer
DOCKER_DIR = ""
STORE_DIR = STORE_DIR_NAME
CONF_DIR = CONF_DIR_NAME
LOG_DIR = LOG_DIR_NAME
DATA_DIR = DATA_DIR_NAME
STATIC_DIR = STATIC_DIR_NAME
LARGE_DIR_NAME = "haystack"
LARGE_DIR = STORE_DIR + "/haystack"
CONST_LEVELDB_FILE_NAME = DATA_DIR + "/fileserver.db"
CONST_LOG_LEVELDB_FILE_NAME = DATA_DIR + "/log.db"
CONST_STAT_FILE_NAME = DATA_DIR + "/stat.json"
CONST_CONF_FILE_NAME = CONF_DIR + "/cfg.json"
logConfigStr = `
<seelog type="asynctimer" asyncinterval="1000" minlevel="trace" maxlevel="error">
<outputs formatid="common">
<buffered formatid="common" size="1048576" flushperiod="1000">
<rollingfile type="size" filename="{DOCKER_DIR}log/fileserver.log" maxsize="104857600" maxrolls="10"/>
</buffered>
</outputs>
<formats>
<format id="common" format="%Date %Time [%LEV] [%File:%Line] [%Func] %Msg%n" />
</formats>
</seelog>
`
logAccessConfigStr = `
<seelog type="asynctimer" asyncinterval="1000" minlevel="trace" maxlevel="error">
<outputs formatid="common">
<buffered formatid="common" size="1048576" flushperiod="1000">
<rollingfile type="size" filename="{DOCKER_DIR}log/access.log" maxsize="104857600" maxrolls="10"/>
</buffered>
</outputs>
<formats>
<format id="common" format="%Date %Time [%LEV] [%File:%Line] [%Func] %Msg%n" />
</formats>
</seelog>
`
)
const (
STORE_DIR_NAME = "files"
LOG_DIR_NAME = "log"
DATA_DIR_NAME = "data"
CONF_DIR_NAME = "conf"
STATIC_DIR_NAME = "static"
CONST_STAT_FILE_COUNT_KEY = "fileCount"
CONST_BIG_UPLOAD_PATH_SUFFIX = "/big/upload/"
CONST_STAT_FILE_TOTAL_SIZE_KEY = "totalSize"
CONST_Md5_ERROR_FILE_NAME = "errors.md5"
CONST_Md5_QUEUE_FILE_NAME = "queue.md5"
CONST_FILE_Md5_FILE_NAME = "files.md5"
CONST_REMOME_Md5_FILE_NAME = "removes.md5"
CONST_SMALL_FILE_SIZE = 1024 * 1024
CONST_MESSAGE_CLUSTER_IP = "Can only be called by the cluster ip,current ip:%s"
cfgJson = `{
"绑定端号": "端口",
"addr": ":8080",
"PeerID": "集群内唯一,请使用0-9的单字符,默认自动生成",
"peer_id": "%s",
"本主机地址": "本机http地址,默认自动生成,必段为内网,自动生成不为内网请自行修改,下同",
"host": "%s",
"集群": "集群列表,注意为了高可用,IP必须不能是同一个,同一不会自动备份,且不能为127.0.0.1,且必须为内网IP,默认自动生成",
"peers": ["%s"],
"组号": "用于区别不同的集群(上传或下载)与support_group_upload配合使用,带在下载路径中",
"group": "group1",
"是否合并小文件": "默认不合并,合并可以解决inode不够用的情况(当前对于小于1M文件)进行合并",
"enable_merge_small_file": false,
"重试同步失败文件的时间": "单位秒",
"refresh_interval": 1800,
"是否自动重命名": "默认不自动重命名,使用原文件名",
"rename_file": false,
"是否支持web上传,方便调试": "默认支持web上传",
"enable_web_upload": true,
"是否支持非日期路径": "默认支持非日期路径,也即支持自定义路径,需要上传文件时指定path",
"enable_custom_path": true,
"下载域名": "用于外网下载文件的域名,不包含http://",
"download_domain": "",
"场景列表": "当设定后,用户指的场景必项在列表中,默认不做限制",
"scenes": [],
"默认场景": "默认default",
"default_scene": "default",
"是否显示目录": "默认显示,方便调试用,上线时请关闭",
"show_dir": true,
"邮件配置": "",
"mail": {
"user": "abc@163.com",
"password": "abc",
"host": "smtp.163.com:25"
},
"告警接收邮件列表": "接收人数组",
"alram_receivers": [],
"告警接收URL": "方法post,参数:subjet,message",
"alarm_url": "",
"下载是否需带token": "真假",
"download_use_token": false,
"下载token过期时间": "单位秒",
"download_token_expire": 600,
"是否自动修复": "在超过1亿文件时出现性能问题,取消此选项,请手动按天同步,请查看FAQ",
"auto_repair": true,
"文件去重算法md5可能存在冲突,默认md5": "sha1|md5",
"file_sum_arithmetic": "md5",
"是否支持按组(集群)管理,主要用途是Nginx支持多集群": "默认不支持,不支持时路径为http://10.1.5.4:8080/action,支持时为http://10.1.5.4:8080/group(配置中的group参数)/action,action为动作名,如status,delete,sync等",
"support_group_manage": false,
"管理ip列表": "用于管理集的ip白名单,",
"admin_ips": ["127.0.0.1"],
"是否启用迁移": "默认不启用",
"enable_migrate": false,
"文件是否去重": "默认去重",
"enable_distinct_file": true
}
`
)
type Common struct {
}
type Server struct {
ldb *leveldb.DB
logDB *leveldb.DB
util *Common
statMap *CommonMap
sumMap *CommonMap //map[string]mapset.Set
queueToPeers chan FileInfo
queueFromPeers chan FileInfo
queueFileLog chan *FileLog
lockMap *CommonMap
curDate string
host string
}
type FileInfo struct {
Name string `json:"name"`
ReName string `json:"rename"`
Path string `json:"path"`
Md5 string `json:"md5"`
Size int64 `json:"size"`
Peers []string `json:"peers"`
Scene string `json:"scene"`
TimeStamp int64 `json:"timeStamp"`
OffSet int64 `json:"offset"`
}
type FileLog struct {
FileInfo *FileInfo
FileName string
}
type JsonResult struct {
Message string `json:"message"`
Status string `json:"status"`
Data interface{} `json:"data"`
}
type FileResult struct {
Url string `json:"url"`
Md5 string `json:"md5"`
Path string `json:"path"`
Domain string `json:"domain"`
Scene string `json:"scene"`
//Just for Compatibility
Scenes string `json:"scenes"`
Retmsg string `json:"retmsg"`
Retcode int `json:"retcode"`
Src string `json:"src"`
}
type Mail struct {
User string `json:"user"`
Password string `json:"password"`
Host string `json:"host"`
}
type StatDateFileInfo struct {
Date string `json:"date"`
TotalSize int64 `json:"totalSize"`
FileCount int64 `json:"fileCount"`
}
type GloablConfig struct {
Addr string `json:"addr"`
Peers []string `json:"peers"`
Group string `json:"group"`
RenameFile bool `json:"rename_file"`
ShowDir bool `json:"show_dir"`
RefreshInterval int `json:"refresh_interval"`
EnableWebUpload bool `json:"enable_web_upload"`
DownloadDomain string `json:"download_domain"`
EnableCustomPath bool `json:"enable_custom_path"`
Scenes []string `json:"scenes"`
AlramReceivers []string `json:"alram_receivers"`
DefaultScene string `json:"default_scene"`
Mail Mail `json:"mail"`
AlarmUrl string `json:"alarm_url"`
DownloadUseToken bool `json:"download_use_token"`
DownloadTokenExpire int `json:"download_token_expire"`
QueueSize int `json:"queue_size"`
AutoRepair bool `json:"auto_repair"`
Host string `json:"host"`
FileSumArithmetic string `json:"file_sum_arithmetic"`
PeerId string `json:"peer_id"`
SupportGroupManage bool `json:"support_group_manage"`
AdminIps []string `json:"admin_ips"`
EnableMergeSmallFile bool `json:"enable_merge_small_file"`
EnableMigrate bool `json:"enable_migrate"`
EnableDistinctFile bool `json:"enable_distinct_file"`
}
func NewServer() *Server {
var (
server *Server
err error
)
server = &Server{
util: &Common{},
statMap: NewCommonMap(0),
lockMap: NewCommonMap(0),
queueToPeers: make(chan FileInfo, CONST_QUEUE_SIZE),
queueFromPeers: make(chan FileInfo, CONST_QUEUE_SIZE),
queueFileLog: make(chan *FileLog, CONST_QUEUE_SIZE),
sumMap: NewCommonMap(365 * 3),
}
defaultTransport := &http.Transport{
DisableKeepAlives: true,
Dial: httplib.TimeoutDialer(time.Second*6, time.Second*60),
MaxIdleConns: 100,
MaxIdleConnsPerHost: 100,
}
settins := httplib.BeegoHTTPSettings{
UserAgent: "Go-FastDFS",
ConnectTimeout: 10 * time.Second,
ReadWriteTimeout: 10 * time.Second,
Gzip: true,
DumpBody: true,
Transport: defaultTransport,
}
httplib.SetDefaultSetting(settins)
server.statMap.Put(CONST_STAT_FILE_COUNT_KEY, int64(0))
server.statMap.Put(CONST_STAT_FILE_TOTAL_SIZE_KEY, int64(0))
server.statMap.Put(server.util.GetToDay()+"_"+CONST_STAT_FILE_COUNT_KEY, int64(0))
server.statMap.Put(server.util.GetToDay()+"_"+CONST_STAT_FILE_TOTAL_SIZE_KEY, int64(0))
server.curDate = server.util.GetToDay()
server.ldb, err = leveldb.OpenFile(CONST_LEVELDB_FILE_NAME, nil)
if err != nil {
fmt.Println(err)
panic(err)
log.Error(err)
}
server.logDB, err = leveldb.OpenFile(CONST_LOG_LEVELDB_FILE_NAME, nil)
if err != nil {
fmt.Println(err)
panic(err)
log.Error(err)
}
return server
}
type CommonMap struct {
sync.Mutex
m map[string]interface{}
}
func NewCommonMap(size int) *CommonMap {
if size > 0 {
return &CommonMap{m: make(map[string]interface{}, size)}
} else {
return &CommonMap{m: make(map[string]interface{})}
}
}
func (s *CommonMap) GetValue(k string) (interface{}, bool) {
s.Lock()
defer s.Unlock()
v, ok := s.m[k]
return v, ok
}
func (s *CommonMap) Put(k string, v interface{}) {
s.Lock()
defer s.Unlock()
s.m[k] = v
}
func (s *CommonMap) LockKey(k string) {
s.Lock()
if v, ok := s.m[k]; ok {
s.m[k+"_lock_"] = true
s.Unlock()
v.(*sync.Mutex).Lock()
} else {
s.m[k] = &sync.Mutex{}
v = s.m[k]
s.m[k+"_lock_"] = true
s.Unlock()
v.(*sync.Mutex).Lock()
}
}
func (s *CommonMap) UnLockKey(k string) {
s.Lock()
if v, ok := s.m[k]; ok {
v.(*sync.Mutex).Unlock()
s.m[k+"_lock_"] = false
}
s.Unlock()
}
func (s *CommonMap) IsLock(k string) bool {
s.Lock()
if v, ok := s.m[k+"_lock_"]; ok {
s.Unlock()
return v.(bool)
}
s.Unlock()
return false
}
func (s *CommonMap) Keys() []string {
s.Lock()
keys := make([]string, len(s.m))
defer s.Unlock()
for k, _ := range s.m {
keys = append(keys, k)
}
return keys
}
func (s *CommonMap) Clear() {
s.Lock()
defer s.Unlock()
s.m = make(map[string]interface{})
}
func (s *CommonMap) Remove(key string) {
s.Lock()
defer s.Unlock()
if _, ok := s.m[key]; ok {
delete(s.m, key)
}
}
func (s *CommonMap) AddUniq(key string) {
s.Lock()
defer s.Unlock()
if _, ok := s.m[key]; !ok {
s.m[key] = nil
}
}
func (s *CommonMap) AddCount(key string, count int) {
s.Lock()
defer s.Unlock()
if _v, ok := s.m[key]; ok {
v := _v.(int)
v = v + count
s.m[key] = v
} else {
s.m[key] = 1
}
}
func (s *CommonMap) AddCountInt64(key string, count int64) {
s.Lock()
defer s.Unlock()
if _v, ok := s.m[key]; ok {
v := _v.(int64)
v = v + count
s.m[key] = v
} else {
s.m[key] = count
}
}
func (s *CommonMap) Add(key string) {
s.Lock()
defer s.Unlock()
if _v, ok := s.m[key]; ok {
v := _v.(int)
v = v + 1
s.m[key] = v
} else {
s.m[key] = 1
}
}
func (s *CommonMap) Zero() {
s.Lock()
defer s.Unlock()
for k := range s.m {
s.m[k] = 0
}
}
func (s *CommonMap) Contains(i ...interface{}) bool {
s.Lock()
defer s.Unlock()
for _, val := range i {
if _, ok := s.m[val.(string)]; !ok {
return false
}
}
return true
}
func (s *CommonMap) Get() map[string]interface{} {
s.Lock()
defer s.Unlock()
m := make(map[string]interface{})
for k, v := range s.m {
m[k] = v
}
return m
}
func Config() *GloablConfig {
return (*GloablConfig)(atomic.LoadPointer(&ptr))
}
func ParseConfig(filePath string) {
var (
data []byte
)
if filePath == "" {
data = []byte(strings.TrimSpace(cfgJson))
} else {
file, err := os.Open(filePath)
if err != nil {
panic(fmt.Sprintln("open file path:", filePath, "error:", err))
}
defer file.Close()
FileName = filePath
data, err = ioutil.ReadAll(file)
if err != nil {
panic(fmt.Sprintln("file path:", filePath, " read all error:", err))
}
}
var c GloablConfig
if err := json.Unmarshal(data, &c); err != nil {
panic(fmt.Sprintln("file path:", filePath, "json unmarshal error:", err))
}
log.Info(c)
atomic.StorePointer(&ptr, unsafe.Pointer(&c))
log.Info("config parse success")
}
func (this *Common) GetUUID() string {
b := make([]byte, 48)
if _, err := io.ReadFull(rand.Reader, b); err != nil {
return ""
}
id := this.MD5(base64.URLEncoding.EncodeToString(b))
return fmt.Sprintf("%s-%s-%s-%s-%s", id[0:8], id[8:12], id[12:16], id[16:20], id[20:])
}
func (this *Common) CopyFile(src, dst string) (int64, error) {
sourceFileStat, err := os.Stat(src)
if err != nil {
return 0, err
}
if !sourceFileStat.Mode().IsRegular() {
return 0, fmt.Errorf("%s is not a regular file", src)
}
source, err := os.Open(src)
if err != nil {
return 0, err
}
defer source.Close()
destination, err := os.Create(dst)
if err != nil {
return 0, err
}
defer destination.Close()
nBytes, err := io.Copy(destination, source)
return nBytes, err
}
func (this *Common) RandInt(min, max int) int {
return func(min, max int) int {
r := random.New(random.NewSource(time.Now().UnixNano()))
if min >= max {
return max
}
return r.Intn(max-min) + min
}(min, max)
}
func (this *Common) GetToDay() string {
return time.Now().Format("20060102")
}
func (this *Common) UrlEncode(v interface{}) string {
switch v.(type) {
case string:
m := make(map[string]string)
m["name"] = v.(string)
return strings.Replace(this.UrlEncodeFromMap(m), "name=", "", 1)
case map[string]string:
return this.UrlEncodeFromMap(v.(map[string]string))
default:
return fmt.Sprintf("%v", v)
}
}
func (this *Common) UrlEncodeFromMap(m map[string]string) string {
vv := url.Values{}
for k, v := range m {
vv.Add(k, v)
}
return vv.Encode()
}
func (this *Common) UrlDecodeToMap(body string) (map[string]string, error) {
var (
err error
m map[string]string
v url.Values
)
m = make(map[string]string)
if v, err = url.ParseQuery(body); err != nil {
return m, err
}
for _k, _v := range v {
if len(_v) > 0 {
m[_k] = _v[0]
}
}
return m, nil
}
func (this *Common) GetDayFromTimeStamp(timeStamp int64) string {
return time.Unix(timeStamp, 0).Format("20060102")
}
func (this *Common) StrToMapSet(str string, sep string) mapset.Set {
result := mapset.NewSet()
for _, v := range strings.Split(str, sep) {
result.Add(v)
}
return result
}
func (this *Common) MapSetToStr(set mapset.Set, sep string) string {
var (
ret []string
)
for v := range set.Iter() {
ret = append(ret, v.(string))
}
return strings.Join(ret, sep)
}
func (this *Common) GetPulicIP() string {
var (
err error
conn net.Conn
)
if conn, err = net.Dial("udp", "8.8.8.8:80"); err != nil {
return "127.0.0.1"
}
defer conn.Close()
localAddr := conn.LocalAddr().String()
idx := strings.LastIndex(localAddr, ":")
return localAddr[0:idx]
}
func (this *Common) MD5(str string) string {
md := md5.New()
md.Write([]byte(str))
return fmt.Sprintf("%x", md.Sum(nil))
}
func (this *Common) GetFileMd5(file *os.File) string {
file.Seek(0, 0)
md5h := md5.New()
io.Copy(md5h, file)
sum := fmt.Sprintf("%x", md5h.Sum(nil))
return sum
}
func (this *Common) GetFileSum(file *os.File, alg string) string {
alg = strings.ToLower(alg)
if alg == "sha1" {
return this.GetFileSha1Sum(file)
} else {
return this.GetFileMd5(file)
}
}
func (this *Common) GetFileSumByName(filepath string, alg string) (string, error) {
var (
err error
file *os.File
)
file, err = os.Open(filepath)
if err != nil {
return "", err
}
defer file.Close()
alg = strings.ToLower(alg)
if alg == "sha1" {
return this.GetFileSha1Sum(file), nil
} else {
return this.GetFileMd5(file), nil
}
}
func (this *Common) GetFileSha1Sum(file *os.File) string {
file.Seek(0, 0)
md5h := sha1.New()
io.Copy(md5h, file)
sum := fmt.Sprintf("%x", md5h.Sum(nil))
return sum
}
func (this *Common) WriteFileByOffSet(filepath string, offset int64, data []byte) (error) {
var (
err error
file *os.File
count int
)
file, err = os.OpenFile(filepath, os.O_CREATE|os.O_RDWR, 0666)
if err != nil {
return err
}
defer file.Close()
count, err = file.WriteAt(data, offset)
if err != nil {
return err
}
if count != len(data) {
return errors.New(fmt.Sprintf("write %s error", filepath))
}
return nil
}
func (this *Common) ReadFileByOffSet(filepath string, offset int64, length int) ([]byte, error) {
var (
err error
file *os.File
result []byte
count int
)
file, err = os.Open(filepath)
if err != nil {
return nil, err
}
defer file.Close()
result = make([]byte, length)
count, err = file.ReadAt(result, offset)
if err != nil {
return nil, err
}
if count != length {
return nil, errors.New("read error")
}
return result, nil
}
func (this *Common) Contains(obj interface{}, arrayobj interface{}) bool {
targetValue := reflect.ValueOf(arrayobj)
switch reflect.TypeOf(arrayobj).Kind() {
case reflect.Slice, reflect.Array:
for i := 0; i < targetValue.Len(); i++ {
if targetValue.Index(i).Interface() == obj {
return true
}
}
case reflect.Map:
if targetValue.MapIndex(reflect.ValueOf(obj)).IsValid() {
return true
}
}
return false
}
func (this *Common) FileExists(fileName string) bool {
_, err := os.Stat(fileName)
return err == nil
}
func (this *Common) WriteFile(path string, data string) bool {
if err := ioutil.WriteFile(path, []byte(data), 0775); err == nil {
return true
} else {
return false
}
}
func (this *Common) WriteBinFile(path string, data []byte) bool {
if err := ioutil.WriteFile(path, data, 0775); err == nil {
return true
} else {
return false
}
}
func (this *Common) IsExist(filename string) bool {
_, err := os.Stat(filename)
return err == nil || os.IsExist(err)
}
func (this *Common) Match(matcher string, content string) []string {
var result []string
if reg, err := regexp.Compile(matcher); err == nil {
result = reg.FindAllString(content, -1)
}
return result
}
func (this *Common) ReadBinFile(path string) ([]byte, error) {
if this.IsExist(path) {
fi, err := os.Open(path)
if err != nil {
return nil, err
}
defer fi.Close()
return ioutil.ReadAll(fi)
} else {
return nil, errors.New("not found")
}
}
func (this *Common) RemoveEmptyDir(pathname string) {
defer func() {
if re := recover(); re != nil {
buffer := debug.Stack()
log.Error("postFileToPeer")
log.Error(re)
log.Error(string(buffer))
}
}()
handlefunc := func(file_path string, f os.FileInfo, err error) error {
if f.IsDir() {
files, _ := ioutil.ReadDir(file_path)
if len(files) == 0 && file_path != pathname {
os.Remove(file_path)
}
}
return nil
}
fi, _ := os.Stat(pathname)
if fi.IsDir() {
filepath.Walk(pathname, handlefunc)
}
}
func (this *Common) JsonEncodePretty(o interface{}) string {
resp := ""
switch o.(type) {
case map[string]interface{}:
if data, err := json.Marshal(o); err == nil {
resp = string(data)
}
case map[string]string:
if data, err := json.Marshal(o); err == nil {
resp = string(data)
}
case []interface{}:
if data, err := json.Marshal(o); err == nil {
resp = string(data)
}
case []string:
if data, err := json.Marshal(o); err == nil {
resp = string(data)
}
case string:
resp = o.(string)
default:
if data, err := json.Marshal(o); err == nil {
resp = string(data)
}
}
var v interface{}
if ok := json.Unmarshal([]byte(resp), &v); ok == nil {
if buf, ok := json.MarshalIndent(v, "", " "); ok == nil {
resp = string(buf)
}
}
return resp
}
func (this *Common) GetClientIp(r *http.Request) string {
client_ip := ""
headers := []string{"X_Forwarded_For", "X-Forwarded-For", "X-Real-Ip",
"X_Real_Ip", "Remote_Addr", "Remote-Addr"}
for _, v := range headers {
if _v, ok := r.Header[v]; ok {
if len(_v) > 0 {
client_ip = _v[0]
break
}
}
}
if client_ip == "" {
clients := strings.Split(r.RemoteAddr, ":")
client_ip = clients[0]
}
return client_ip
}
func (this *Server) BackUpMetaDataByDate(date string) {
defer func() {
if re := recover(); re != nil {
buffer := debug.Stack()
log.Error("BackUpMetaDataByDate")
log.Error(re)
log.Error(string(buffer))
}
}()
var (
err error
keyPrefix string
msg string
name string
fileInfo FileInfo
logFileName string
fileLog *os.File
fileMeta *os.File
metaFileName string
fi os.FileInfo
)
logFileName = DATA_DIR + "/" + date + "/" + CONST_FILE_Md5_FILE_NAME
this.lockMap.LockKey(logFileName)
defer this.lockMap.UnLockKey(logFileName)
metaFileName = DATA_DIR + "/" + date + "/" + "meta.data"
os.MkdirAll(DATA_DIR+"/"+date, 0775)
if this.util.IsExist(logFileName) {
os.Remove(logFileName)
}
if this.util.IsExist(metaFileName) {
os.Remove(metaFileName)
}
fileLog, err = os.OpenFile(logFileName, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0664)
if err != nil {
log.Error(err)
return
}
defer fileLog.Close()
fileMeta, err = os.OpenFile(metaFileName, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0664)
if err != nil {
log.Error(err)
return
}
defer fileMeta.Close()
keyPrefix = "%s_%s_"
keyPrefix = fmt.Sprintf(keyPrefix, date, CONST_FILE_Md5_FILE_NAME)
iter := server.logDB.NewIterator(util.BytesPrefix([]byte(keyPrefix)), nil)
defer iter.Release()
for iter.Next() {
if err = json.Unmarshal(iter.Value(), &fileInfo); err != nil {
continue
}
name = fileInfo.Name
if fileInfo.ReName != "" {
name = fileInfo.ReName
}
msg = fmt.Sprintf("%s\t%s\n", fileInfo.Md5, string(iter.Value()))
if _, err = fileMeta.WriteString(msg); err != nil {
log.Error(err)
}
msg = fmt.Sprintf("%s\t%s\n", this.util.MD5(fileInfo.Path+"/"+name), string(iter.Value()))
if _, err = fileMeta.WriteString(msg); err != nil {
log.Error(err)
}
msg = fmt.Sprintf("%s|%d|%d|%s\n", fileInfo.Md5, fileInfo.Size, fileInfo.TimeStamp, fileInfo.Path+"/"+name)
if _, err = fileLog.WriteString(msg); err != nil {
log.Error(err)
}
}
if fi, err = fileLog.Stat(); err != nil {
log.Error(err)
} else if (fi.Size() == 0) {
fileLog.Close()
os.Remove(logFileName)
}
if fi, err = fileMeta.Stat(); err != nil {
log.Error(err)
} else if (fi.Size() == 0) {
fileMeta.Close()
os.Remove(metaFileName)
}
}
func (this *Server) RepairFileInfoFromFile() {
defer func() {
if re := recover(); re != nil {
buffer := debug.Stack()
log.Error("RepairFileInfoFromFile")
log.Error(re)
log.Error(string(buffer))
}
}()
if this.lockMap.IsLock("RepairFileInfoFromFile") {
log.Warn("Lock RepairFileInfoFromFile")
return
}
this.lockMap.LockKey("RepairFileInfoFromFile")
defer this.lockMap.UnLockKey("RepairFileInfoFromFile")
handlefunc := func(file_path string, f os.FileInfo, err error) error {
var (
files []os.FileInfo
fi os.FileInfo
fileInfo FileInfo
sum string
pathMd5 string
)
if f.IsDir() {
files, err = ioutil.ReadDir(file_path)
if err != nil {
return err
}
for _, fi = range files {
if fi.IsDir() || fi.Size() == 0 {
continue
}
file_path = strings.Replace(file_path, "\\", "/", -1)
if DOCKER_DIR != "" {
file_path = strings.Replace(file_path, DOCKER_DIR, "", 1)
}
if strings.HasPrefix(file_path, STORE_DIR_NAME+"/"+LARGE_DIR_NAME) {
log.Info(fmt.Sprintf("ignore small file file %s", file_path+"/"+fi.Name()))
continue
}
pathMd5 = this.util.MD5(file_path + "/" + fi.Name())
if finfo, _ := this.GetFileInfoFromLevelDB(pathMd5); finfo != nil && finfo.Md5 != "" {
log.Info(fmt.Sprintf("exist ignore file %s", file_path+"/"+fi.Name()))
continue
}
sum, err = this.util.GetFileSumByName(file_path+"/"+fi.Name(), Config().FileSumArithmetic)
if err != nil {
log.Error(err)
continue
}
fileInfo = FileInfo{
Size: fi.Size(),
Name: fi.Name(),
Path: file_path,
Md5: sum,
TimeStamp: fi.ModTime().Unix(),
Peers: []string{this.host},
OffSet: -1,
}
//log.Info(fileInfo)
log.Info(file_path, fi.Name())
//this.AppendToQueue(&fileInfo)
this.postFileToPeer(&fileInfo)
this.SaveFileMd5Log(&fileInfo, CONST_FILE_Md5_FILE_NAME)
}
}
return nil
}
pathname := STORE_DIR
fi, _ := os.Stat(pathname)
if fi.IsDir() {
filepath.Walk(pathname, handlefunc)
}
log.Info("RepairFileInfoFromFile is finish.")
}
func (this *Server) RepairStatByDate(date string) StatDateFileInfo {
defer func() {
if re := recover(); re != nil {
buffer := debug.Stack()
log.Error("RepairStatByDate")
log.Error(re)
log.Error(string(buffer))
}
}()
var (
err error
keyPrefix string
fileInfo FileInfo
fileCount int64
fileSize int64
stat StatDateFileInfo
)
keyPrefix = "%s_%s_"
keyPrefix = fmt.Sprintf(keyPrefix, date, CONST_FILE_Md5_FILE_NAME)
iter := server.logDB.NewIterator(util.BytesPrefix([]byte(keyPrefix)), nil)
defer iter.Release()
for iter.Next() {
if err = json.Unmarshal(iter.Value(), &fileInfo); err != nil {
continue
}
fileCount = fileCount + 1
fileSize = fileSize + fileInfo.Size
}
this.statMap.Put(date+"_"+CONST_STAT_FILE_COUNT_KEY, fileCount)
this.statMap.Put(date+"_"+CONST_STAT_FILE_TOTAL_SIZE_KEY, fileSize)
this.SaveStat()
stat.Date = date
stat.FileCount = fileCount
stat.TotalSize = fileSize
return stat
}
func (this *Server) CheckFileExistByMd5(md5s string, fileInfo *FileInfo) bool { // important: just for DownloadFromPeer use
var (
err error
info *FileInfo
fn string
name string