mirror of https://github.com/go-gitea/gitea.git
598 lines
10 KiB
Go
598 lines
10 KiB
Go
package redis
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import (
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"fmt"
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"strconv"
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"strings"
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"time"
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"gopkg.in/bufio.v1"
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)
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var (
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_ Cmder = (*Cmd)(nil)
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_ Cmder = (*SliceCmd)(nil)
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_ Cmder = (*StatusCmd)(nil)
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_ Cmder = (*IntCmd)(nil)
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_ Cmder = (*DurationCmd)(nil)
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_ Cmder = (*BoolCmd)(nil)
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_ Cmder = (*StringCmd)(nil)
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_ Cmder = (*FloatCmd)(nil)
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_ Cmder = (*StringSliceCmd)(nil)
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_ Cmder = (*BoolSliceCmd)(nil)
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_ Cmder = (*StringStringMapCmd)(nil)
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_ Cmder = (*ZSliceCmd)(nil)
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_ Cmder = (*ScanCmd)(nil)
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)
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type Cmder interface {
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args() []string
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parseReply(*bufio.Reader) error
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setErr(error)
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writeTimeout() *time.Duration
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readTimeout() *time.Duration
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Err() error
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String() string
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}
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func setCmdsErr(cmds []Cmder, e error) {
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for _, cmd := range cmds {
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cmd.setErr(e)
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}
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}
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func cmdString(cmd Cmder, val interface{}) string {
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s := strings.Join(cmd.args(), " ")
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if err := cmd.Err(); err != nil {
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return s + ": " + err.Error()
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}
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if val != nil {
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return s + ": " + fmt.Sprint(val)
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}
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return s
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}
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//------------------------------------------------------------------------------
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type baseCmd struct {
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_args []string
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err error
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_writeTimeout, _readTimeout *time.Duration
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}
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func newBaseCmd(args ...string) *baseCmd {
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return &baseCmd{
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_args: args,
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}
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}
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func (cmd *baseCmd) Err() error {
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if cmd.err != nil {
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return cmd.err
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}
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return nil
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}
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func (cmd *baseCmd) args() []string {
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return cmd._args
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}
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func (cmd *baseCmd) readTimeout() *time.Duration {
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return cmd._readTimeout
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}
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func (cmd *baseCmd) setReadTimeout(d time.Duration) {
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cmd._readTimeout = &d
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}
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func (cmd *baseCmd) writeTimeout() *time.Duration {
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return cmd._writeTimeout
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}
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func (cmd *baseCmd) setWriteTimeout(d time.Duration) {
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cmd._writeTimeout = &d
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}
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func (cmd *baseCmd) setErr(e error) {
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cmd.err = e
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}
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//------------------------------------------------------------------------------
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type Cmd struct {
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*baseCmd
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val interface{}
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}
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func NewCmd(args ...string) *Cmd {
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return &Cmd{
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baseCmd: newBaseCmd(args...),
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}
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}
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func (cmd *Cmd) Val() interface{} {
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return cmd.val
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}
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func (cmd *Cmd) Result() (interface{}, error) {
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return cmd.val, cmd.err
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}
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func (cmd *Cmd) String() string {
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return cmdString(cmd, cmd.val)
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}
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func (cmd *Cmd) parseReply(rd *bufio.Reader) error {
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cmd.val, cmd.err = parseReply(rd, parseSlice)
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return cmd.err
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}
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//------------------------------------------------------------------------------
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type SliceCmd struct {
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*baseCmd
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val []interface{}
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}
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func NewSliceCmd(args ...string) *SliceCmd {
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return &SliceCmd{
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baseCmd: newBaseCmd(args...),
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}
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}
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func (cmd *SliceCmd) Val() []interface{} {
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return cmd.val
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}
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func (cmd *SliceCmd) Result() ([]interface{}, error) {
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return cmd.val, cmd.err
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}
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func (cmd *SliceCmd) String() string {
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return cmdString(cmd, cmd.val)
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}
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func (cmd *SliceCmd) parseReply(rd *bufio.Reader) error {
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v, err := parseReply(rd, parseSlice)
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if err != nil {
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cmd.err = err
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return err
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}
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cmd.val = v.([]interface{})
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return nil
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}
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//------------------------------------------------------------------------------
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type StatusCmd struct {
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*baseCmd
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val string
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}
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func NewStatusCmd(args ...string) *StatusCmd {
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return &StatusCmd{
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baseCmd: newBaseCmd(args...),
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}
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}
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func (cmd *StatusCmd) Val() string {
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return cmd.val
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}
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func (cmd *StatusCmd) Result() (string, error) {
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return cmd.val, cmd.err
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}
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func (cmd *StatusCmd) String() string {
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return cmdString(cmd, cmd.val)
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}
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func (cmd *StatusCmd) parseReply(rd *bufio.Reader) error {
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v, err := parseReply(rd, nil)
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if err != nil {
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cmd.err = err
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return err
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}
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cmd.val = v.(string)
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return nil
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}
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//------------------------------------------------------------------------------
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type IntCmd struct {
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*baseCmd
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val int64
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}
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func NewIntCmd(args ...string) *IntCmd {
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return &IntCmd{
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baseCmd: newBaseCmd(args...),
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}
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}
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func (cmd *IntCmd) Val() int64 {
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return cmd.val
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}
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func (cmd *IntCmd) Result() (int64, error) {
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return cmd.val, cmd.err
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}
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func (cmd *IntCmd) String() string {
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return cmdString(cmd, cmd.val)
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}
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func (cmd *IntCmd) parseReply(rd *bufio.Reader) error {
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v, err := parseReply(rd, nil)
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if err != nil {
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cmd.err = err
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return err
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}
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cmd.val = v.(int64)
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return nil
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}
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//------------------------------------------------------------------------------
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type DurationCmd struct {
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*baseCmd
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val time.Duration
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precision time.Duration
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}
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func NewDurationCmd(precision time.Duration, args ...string) *DurationCmd {
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return &DurationCmd{
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baseCmd: newBaseCmd(args...),
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precision: precision,
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}
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}
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func (cmd *DurationCmd) Val() time.Duration {
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return cmd.val
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}
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func (cmd *DurationCmd) Result() (time.Duration, error) {
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return cmd.val, cmd.err
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}
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func (cmd *DurationCmd) String() string {
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return cmdString(cmd, cmd.val)
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}
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func (cmd *DurationCmd) parseReply(rd *bufio.Reader) error {
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v, err := parseReply(rd, nil)
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if err != nil {
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cmd.err = err
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return err
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}
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cmd.val = time.Duration(v.(int64)) * cmd.precision
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return nil
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}
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//------------------------------------------------------------------------------
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type BoolCmd struct {
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*baseCmd
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val bool
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}
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func NewBoolCmd(args ...string) *BoolCmd {
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return &BoolCmd{
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baseCmd: newBaseCmd(args...),
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}
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}
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func (cmd *BoolCmd) Val() bool {
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return cmd.val
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}
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func (cmd *BoolCmd) Result() (bool, error) {
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return cmd.val, cmd.err
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}
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func (cmd *BoolCmd) String() string {
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return cmdString(cmd, cmd.val)
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}
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func (cmd *BoolCmd) parseReply(rd *bufio.Reader) error {
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v, err := parseReply(rd, nil)
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if err != nil {
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cmd.err = err
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return err
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}
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cmd.val = v.(int64) == 1
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return nil
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}
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//------------------------------------------------------------------------------
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type StringCmd struct {
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*baseCmd
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val string
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}
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func NewStringCmd(args ...string) *StringCmd {
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return &StringCmd{
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baseCmd: newBaseCmd(args...),
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}
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}
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func (cmd *StringCmd) Val() string {
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return cmd.val
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}
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func (cmd *StringCmd) Result() (string, error) {
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return cmd.val, cmd.err
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}
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func (cmd *StringCmd) Int64() (int64, error) {
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if cmd.err != nil {
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return 0, cmd.err
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}
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return strconv.ParseInt(cmd.val, 10, 64)
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}
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func (cmd *StringCmd) Uint64() (uint64, error) {
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if cmd.err != nil {
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return 0, cmd.err
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}
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return strconv.ParseUint(cmd.val, 10, 64)
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}
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func (cmd *StringCmd) Float64() (float64, error) {
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if cmd.err != nil {
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return 0, cmd.err
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}
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return strconv.ParseFloat(cmd.val, 64)
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}
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func (cmd *StringCmd) String() string {
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return cmdString(cmd, cmd.val)
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}
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func (cmd *StringCmd) parseReply(rd *bufio.Reader) error {
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v, err := parseReply(rd, nil)
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if err != nil {
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cmd.err = err
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return err
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}
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cmd.val = v.(string)
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return nil
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}
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//------------------------------------------------------------------------------
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type FloatCmd struct {
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*baseCmd
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val float64
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}
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func NewFloatCmd(args ...string) *FloatCmd {
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return &FloatCmd{
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baseCmd: newBaseCmd(args...),
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}
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}
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func (cmd *FloatCmd) Val() float64 {
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return cmd.val
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}
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func (cmd *FloatCmd) String() string {
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return cmdString(cmd, cmd.val)
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}
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func (cmd *FloatCmd) parseReply(rd *bufio.Reader) error {
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v, err := parseReply(rd, nil)
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if err != nil {
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cmd.err = err
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return err
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}
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cmd.val, cmd.err = strconv.ParseFloat(v.(string), 64)
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return cmd.err
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}
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//------------------------------------------------------------------------------
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type StringSliceCmd struct {
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*baseCmd
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val []string
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}
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func NewStringSliceCmd(args ...string) *StringSliceCmd {
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return &StringSliceCmd{
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baseCmd: newBaseCmd(args...),
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}
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}
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func (cmd *StringSliceCmd) Val() []string {
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return cmd.val
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}
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func (cmd *StringSliceCmd) Result() ([]string, error) {
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return cmd.Val(), cmd.Err()
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}
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func (cmd *StringSliceCmd) String() string {
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return cmdString(cmd, cmd.val)
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}
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func (cmd *StringSliceCmd) parseReply(rd *bufio.Reader) error {
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v, err := parseReply(rd, parseStringSlice)
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if err != nil {
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cmd.err = err
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return err
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}
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cmd.val = v.([]string)
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return nil
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}
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//------------------------------------------------------------------------------
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type BoolSliceCmd struct {
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*baseCmd
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val []bool
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}
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func NewBoolSliceCmd(args ...string) *BoolSliceCmd {
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return &BoolSliceCmd{
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baseCmd: newBaseCmd(args...),
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}
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}
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func (cmd *BoolSliceCmd) Val() []bool {
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return cmd.val
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}
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func (cmd *BoolSliceCmd) Result() ([]bool, error) {
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return cmd.val, cmd.err
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}
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func (cmd *BoolSliceCmd) String() string {
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return cmdString(cmd, cmd.val)
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}
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func (cmd *BoolSliceCmd) parseReply(rd *bufio.Reader) error {
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v, err := parseReply(rd, parseBoolSlice)
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if err != nil {
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cmd.err = err
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return err
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}
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cmd.val = v.([]bool)
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return nil
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}
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//------------------------------------------------------------------------------
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type StringStringMapCmd struct {
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*baseCmd
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val map[string]string
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}
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func NewStringStringMapCmd(args ...string) *StringStringMapCmd {
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return &StringStringMapCmd{
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baseCmd: newBaseCmd(args...),
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}
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}
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func (cmd *StringStringMapCmd) Val() map[string]string {
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return cmd.val
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}
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func (cmd *StringStringMapCmd) Result() (map[string]string, error) {
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return cmd.val, cmd.err
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}
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func (cmd *StringStringMapCmd) String() string {
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return cmdString(cmd, cmd.val)
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}
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func (cmd *StringStringMapCmd) parseReply(rd *bufio.Reader) error {
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v, err := parseReply(rd, parseStringStringMap)
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if err != nil {
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cmd.err = err
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return err
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}
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cmd.val = v.(map[string]string)
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return nil
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}
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//------------------------------------------------------------------------------
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type ZSliceCmd struct {
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*baseCmd
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val []Z
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}
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func NewZSliceCmd(args ...string) *ZSliceCmd {
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return &ZSliceCmd{
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baseCmd: newBaseCmd(args...),
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}
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}
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func (cmd *ZSliceCmd) Val() []Z {
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return cmd.val
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}
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func (cmd *ZSliceCmd) Result() ([]Z, error) {
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return cmd.val, cmd.err
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}
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func (cmd *ZSliceCmd) String() string {
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return cmdString(cmd, cmd.val)
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}
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func (cmd *ZSliceCmd) parseReply(rd *bufio.Reader) error {
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v, err := parseReply(rd, parseZSlice)
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if err != nil {
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cmd.err = err
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return err
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}
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cmd.val = v.([]Z)
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return nil
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}
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//------------------------------------------------------------------------------
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type ScanCmd struct {
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*baseCmd
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cursor int64
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keys []string
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}
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func NewScanCmd(args ...string) *ScanCmd {
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return &ScanCmd{
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baseCmd: newBaseCmd(args...),
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}
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}
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func (cmd *ScanCmd) Val() (int64, []string) {
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return cmd.cursor, cmd.keys
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}
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func (cmd *ScanCmd) Result() (int64, []string, error) {
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return cmd.cursor, cmd.keys, cmd.err
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}
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func (cmd *ScanCmd) String() string {
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return cmdString(cmd, cmd.keys)
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}
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func (cmd *ScanCmd) parseReply(rd *bufio.Reader) error {
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vi, err := parseReply(rd, parseSlice)
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if err != nil {
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cmd.err = err
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return cmd.err
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}
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v := vi.([]interface{})
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cmd.cursor, cmd.err = strconv.ParseInt(v[0].(string), 10, 64)
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if cmd.err != nil {
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return cmd.err
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}
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keys := v[1].([]interface{})
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for _, keyi := range keys {
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cmd.keys = append(cmd.keys, keyi.(string))
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}
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return nil
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}
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