From 96eab1202717e073782ec399a4e0820cae15b1bb Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Thu, 17 Aug 2017 17:19:06 -0700
Subject: Updating server dependancies. (#7246)

---
 vendor/github.com/go-redis/redis/redis.go | 66 ++++++++++++++++++++-----------
 1 file changed, 44 insertions(+), 22 deletions(-)

(limited to 'vendor/github.com/go-redis/redis/redis.go')

diff --git a/vendor/github.com/go-redis/redis/redis.go b/vendor/github.com/go-redis/redis/redis.go
index 9812daf66..b18973cdb 100644
--- a/vendor/github.com/go-redis/redis/redis.go
+++ b/vendor/github.com/go-redis/redis/redis.go
@@ -21,7 +21,23 @@ func (c *baseClient) String() string {
 	return fmt.Sprintf("Redis<%s db:%d>", c.getAddr(), c.opt.DB)
 }
 
-func (c *baseClient) conn() (*pool.Conn, bool, error) {
+func (c *baseClient) newConn() (*pool.Conn, error) {
+	cn, err := c.connPool.NewConn()
+	if err != nil {
+		return nil, err
+	}
+
+	if !cn.Inited {
+		if err := c.initConn(cn); err != nil {
+			_ = c.connPool.CloseConn(cn)
+			return nil, err
+		}
+	}
+
+	return cn, nil
+}
+
+func (c *baseClient) getConn() (*pool.Conn, bool, error) {
 	cn, isNew, err := c.connPool.Get()
 	if err != nil {
 		return nil, false, err
@@ -37,7 +53,7 @@ func (c *baseClient) conn() (*pool.Conn, bool, error) {
 	return cn, isNew, nil
 }
 
-func (c *baseClient) putConn(cn *pool.Conn, err error) bool {
+func (c *baseClient) releaseConn(cn *pool.Conn, err error) bool {
 	if internal.IsBadConn(err, false) {
 		_ = c.connPool.Remove(cn)
 		return false
@@ -52,7 +68,7 @@ func (c *baseClient) initConn(cn *pool.Conn) error {
 
 	if c.opt.Password == "" &&
 		c.opt.DB == 0 &&
-		!c.opt.ReadOnly &&
+		!c.opt.readOnly &&
 		c.opt.OnConnect == nil {
 		return nil
 	}
@@ -75,7 +91,7 @@ func (c *baseClient) initConn(cn *pool.Conn) error {
 			pipe.Select(c.opt.DB)
 		}
 
-		if c.opt.ReadOnly {
+		if c.opt.readOnly {
 			pipe.ReadOnly()
 		}
 
@@ -91,13 +107,6 @@ func (c *baseClient) initConn(cn *pool.Conn) error {
 	return nil
 }
 
-func (c *baseClient) Process(cmd Cmder) error {
-	if c.process != nil {
-		return c.process(cmd)
-	}
-	return c.defaultProcess(cmd)
-}
-
 // WrapProcess replaces the process func. It takes a function createWrapper
 // which is supplied by the user. createWrapper takes the old process func as
 // an input and returns the new wrapper process func. createWrapper should
@@ -106,13 +115,20 @@ func (c *baseClient) WrapProcess(fn func(oldProcess func(cmd Cmder) error) func(
 	c.process = fn(c.defaultProcess)
 }
 
+func (c *baseClient) Process(cmd Cmder) error {
+	if c.process != nil {
+		return c.process(cmd)
+	}
+	return c.defaultProcess(cmd)
+}
+
 func (c *baseClient) defaultProcess(cmd Cmder) error {
-	for i := 0; i <= c.opt.MaxRetries; i++ {
-		if i > 0 {
-			time.Sleep(internal.RetryBackoff(i, c.opt.MaxRetryBackoff))
+	for attempt := 0; attempt <= c.opt.MaxRetries; attempt++ {
+		if attempt > 0 {
+			time.Sleep(c.retryBackoff(attempt))
 		}
 
-		cn, _, err := c.conn()
+		cn, _, err := c.getConn()
 		if err != nil {
 			cmd.setErr(err)
 			if internal.IsRetryableError(err) {
@@ -123,7 +139,7 @@ func (c *baseClient) defaultProcess(cmd Cmder) error {
 
 		cn.SetWriteTimeout(c.opt.WriteTimeout)
 		if err := writeCmd(cn, cmd); err != nil {
-			c.putConn(cn, err)
+			c.releaseConn(cn, err)
 			cmd.setErr(err)
 			if internal.IsRetryableError(err) {
 				continue
@@ -133,7 +149,7 @@ func (c *baseClient) defaultProcess(cmd Cmder) error {
 
 		cn.SetReadTimeout(c.cmdTimeout(cmd))
 		err = cmd.readReply(cn)
-		c.putConn(cn, err)
+		c.releaseConn(cn, err)
 		if err != nil && internal.IsRetryableError(err) {
 			continue
 		}
@@ -144,6 +160,10 @@ func (c *baseClient) defaultProcess(cmd Cmder) error {
 	return cmd.Err()
 }
 
+func (c *baseClient) retryBackoff(attempt int) time.Duration {
+	return internal.RetryBackoff(attempt, c.opt.MinRetryBackoff, c.opt.MaxRetryBackoff)
+}
+
 func (c *baseClient) cmdTimeout(cmd Cmder) time.Duration {
 	if timeout := cmd.readTimeout(); timeout != nil {
 		return *timeout
@@ -179,14 +199,14 @@ func (c *baseClient) pipelineExecer(p pipelineProcessor) pipelineExecer {
 	return func(cmds []Cmder) error {
 		var firstErr error
 		for i := 0; i <= c.opt.MaxRetries; i++ {
-			cn, _, err := c.conn()
+			cn, _, err := c.getConn()
 			if err != nil {
 				setCmdsErr(cmds, err)
 				return err
 			}
 
 			canRetry, err := p(cn, cmds)
-			c.putConn(cn, err)
+			c.releaseConn(cn, err)
 			if err == nil {
 				return nil
 			}
@@ -375,10 +395,12 @@ func (c *Client) TxPipeline() Pipeliner {
 
 func (c *Client) pubSub() *PubSub {
 	return &PubSub{
-		base: baseClient{
-			opt:      c.opt,
-			connPool: c.connPool,
+		opt: c.opt,
+
+		newConn: func(channels []string) (*pool.Conn, error) {
+			return c.newConn()
 		},
+		closeConn: c.connPool.CloseConn,
 	}
 }
 
-- 
cgit v1.2.3-1-g7c22