func (m MetaCache) ProcessEvent(cev *cacheEvent) error {
typ := cev.eventType
file := cev.filename
//fmt.Printf("get metaInfo modify: %d, %s\n", typ, file)
switch typ {
case ADD, MOD:
md5, err := common.CalFileMd5(file)
if err != nil {
return err
}
fileSize, err := common.GetFileSize(file)
if err != nil {
return err
}
metaInfo := &MetaInfo{
FileName: file,
FileSize: fileSize,
Md5Info: md5,
}
m[file] = metaInfo
delete(m, file)
case DEL:
if _, ok := m[file]; ok {
delete(m, file)
}
}
return nil
}
func (p *protocolV1) SendMetaInfo(client *Client, file string) error {
fullFile := p.ctx.s.Opts.DataPath + file
var metaInfo *MetaInfo
var md5s string
var fileSize int64
var err error
metaInfo = p.ctx.s.GetMetaInfo(file)
if metaInfo == nil {
p.ctx.s.logf("get requeset for file: %s", fullFile)
md5s, err = common.CalFileMd5(fullFile)
if err != nil {
return err
}
fileSize, err = common.GetFileSize(fullFile)
if err != nil {
return err
}
metaInfo = &MetaInfo{
FileName: file,
FileSize: fileSize,
Md5Info: md5s,
}
p.ctx.s.AddMetaCache(file, metaInfo)
//p.ctx.s.md5Cache[file] = metaInfo
} else {
md5s = metaInfo.Md5Info
fileSize = metaInfo.FileSize
}
sendData := [][]byte{[]byte("SEND"), []byte(md5s), []byte(fmt.Sprintf("%d", fileSize))}
var buf bytes.Buffer
for _, value := range sendData {
buf.Write(value)
buf.Write(separatorBytes)
}
buf.Write(newLineBytes)
return p.sendData(client, buf.Bytes())
}