func (cmd command) Dropdb(db **C.Database) []byte {
//锁并发
_, ok := mutex[**db]
if !ok {
mutex[**db] = new(sync.RWMutex)
}
mutex[**db].Lock()
defer mutex[**db].Unlock()
response := []byte{}
key, _ := convert.ParseUntil(cmd, 0, 7)
*db = C.DropDB((*C.char)(convert.Bytes2C(key)))
return response
}
////////////////////////////////////////Dumplated//////////////////////////////////////////////////////////////////////////
func TranslateMessage(s *tcp.TCPSession, db **C.Database, message []byte) {
command := string(message)
params := strings.Split(command, " ")
//fmt.Println(params)
response := []byte{}
if params[0] == "set" {
r := C.Set(&(*db).tIndex, (*C.char)(convert.String2C(params[1])), (convert.String2C(params[2])))
for i := 0; ; i++ {
response = append(response, byte(r.msg[i]))
if response[i] == 0 {
break
}
}
} else if params[0] == "get" {
r := C.Get(&(*db).tIndex, (*C.char)(convert.String2C(params[1])))
// for i := 0;;i++ {
// response = append(response,byte(r.msg[i]))
// if response[i] == 0 { break; }
// }
if int(r.code) == 0 {
for i := 0; ; i++ {
response = append(response, byte(*(*C.char)(unsafe.Pointer((uintptr(r.pData) + uintptr(i))))))
if response[i] == 0 {
break
}
}
} else {
// for i := 0;;i++ {
// response = append(response,byte(r.msg[i]))
// if response[i] == 0 { break; }
// }
}
} else if params[0] == "delete" || params[0] == "remove" {
r := C.Delete(&(*db).tIndex, (*C.char)(convert.String2C(params[1])))
for i := 0; ; i++ {
response = append(response, byte(r.msg[i]))
if response[i] == 0 {
break
}
}
} else if params[0] == "createdb" {
d := C.CreateDB((*C.char)(convert.String2C(params[1])))
if d != nil {
*db = d
response = []byte("Already exist,switched\n")
} else {
response = []byte("Created\n")
}
} else if params[0] == "switchdb" {
d := C.SwitchDB((*C.char)(convert.String2C(params[1])))
if d != nil {
*db = d
response = []byte("ok\n")
} else {
response = []byte("fail\n")
}
} else if params[0] == "dropdb" {
*db = C.DropDB((*C.char)(convert.String2C(params[1])))
} else if strings.EqualFold("listdb", params[0]) {
r := C.ListDB()
for i := 0; i < 1024; i++ {
b := byte(*(*C.char)(unsafe.Pointer(uintptr(unsafe.Pointer(r)) + uintptr(i))))
response = append(response, b)
if b == 0 {
break
}
}
C.free(unsafe.Pointer(r))
} else {
//fmt.Println("unkown command:",params[0])
}
s.SendMessage(response)
}
func (cmd command) Dropdb(db **C.Database) []byte {
response := []byte{}
key, _ := convert.ParseUntil(cmd, 0, 7)
*db = C.DropDB((*C.char)(convert.Bytes2C(key)))
return response
}