mirror of https://github.com/go-redis/redis.git
76 lines
1.2 KiB
Go
76 lines
1.2 KiB
Go
package redis
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type PipelineClient struct {
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*Client
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}
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func (c *Client) PipelineClient() (*PipelineClient, error) {
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return &PipelineClient{
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Client: &Client{
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BaseClient: &BaseClient{
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ConnPool: c.ConnPool,
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InitConn: c.InitConn,
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reqs: make([]Req, 0),
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},
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},
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}, nil
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}
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func (c *Client) Pipelined(do func(*PipelineClient)) ([]Req, error) {
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pc, err := c.PipelineClient()
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if err != nil {
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return nil, err
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}
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defer pc.Close()
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do(pc)
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return pc.RunQueued()
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}
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func (c *PipelineClient) Close() error {
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return nil
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}
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func (c *PipelineClient) RunQueued() ([]Req, error) {
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c.mtx.Lock()
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if len(c.reqs) == 0 {
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c.mtx.Unlock()
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return c.reqs, nil
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}
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reqs := c.reqs
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c.reqs = make([]Req, 0)
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c.mtx.Unlock()
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conn, err := c.conn()
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if err != nil {
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return nil, err
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}
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err = c.RunReqs(reqs, conn)
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if err != nil {
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c.ConnPool.Remove(conn)
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return nil, err
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}
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c.ConnPool.Add(conn)
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return reqs, nil
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}
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func (c *PipelineClient) RunReqs(reqs []Req, conn *Conn) error {
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err := c.WriteReq(conn, reqs...)
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if err != nil {
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return err
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}
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for i := 0; i < len(reqs); i++ {
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req := reqs[i]
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val, err := req.ParseReply(conn.Rd)
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if err != nil {
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req.SetErr(err)
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} else {
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req.SetVal(val)
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}
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}
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return nil
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}
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