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52 lines
1.1 KiB
52 lines
1.1 KiB
package redis |
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import ( |
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"crypto/sha1" |
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"encoding/hex" |
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"io" |
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"strings" |
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) |
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type scripter interface { |
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Eval(script string, keys []string, args []string) *Cmd |
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EvalSha(sha1 string, keys []string, args []string) *Cmd |
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ScriptExists(scripts ...string) *BoolSliceCmd |
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ScriptLoad(script string) *StringCmd |
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} |
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type Script struct { |
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src, hash string |
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} |
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func NewScript(src string) *Script { |
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h := sha1.New() |
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io.WriteString(h, src) |
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return &Script{ |
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src: src, |
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hash: hex.EncodeToString(h.Sum(nil)), |
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} |
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} |
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func (s *Script) Load(c scripter) *StringCmd { |
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return c.ScriptLoad(s.src) |
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} |
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func (s *Script) Exists(c scripter) *BoolSliceCmd { |
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return c.ScriptExists(s.src) |
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} |
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func (s *Script) Eval(c scripter, keys []string, args []string) *Cmd { |
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return c.Eval(s.src, keys, args) |
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} |
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func (s *Script) EvalSha(c scripter, keys []string, args []string) *Cmd { |
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return c.EvalSha(s.hash, keys, args) |
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} |
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func (s *Script) Run(c *Client, keys []string, args []string) *Cmd { |
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r := s.EvalSha(c, keys, args) |
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if err := r.Err(); err != nil && strings.HasPrefix(err.Error(), "NOSCRIPT ") { |
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return s.Eval(c, keys, args) |
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} |
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return r |
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}
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