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c.ClientIP() performance improvement

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benchmark                 old ns/op     new ns/op     delta
BenchmarkManyHandlers     4956          4463          -9.95%

benchmark                 old allocs     new allocs     delta
BenchmarkManyHandlers     16             13             -18.75%

benchmark                 old bytes     new bytes     delta
BenchmarkManyHandlers     256           216           -15.62%
This commit is contained in:
Manu Mtz-Almeida 2015-06-04 13:15:22 +02:00
parent 822b995687
commit 70325deb98
2 changed files with 17 additions and 7 deletions
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20
context.go
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@ -251,12 +251,15 @@ func (c *Context) BindWith(obj interface{}, b binding.Binding) error {
// Best effort algoritm to return the real client IP, it parses // Best effort algoritm to return the real client IP, it parses
// X-Real-IP and X-Forwarded-For in order to work properly with reverse-proxies such us: nginx or haproxy. // X-Real-IP and X-Forwarded-For in order to work properly with reverse-proxies such us: nginx or haproxy.
func (c *Context) ClientIP() string { func (c *Context) ClientIP() string {
clientIP := strings.TrimSpace(c.Request.Header.Get("X-Real-IP")) clientIP := strings.TrimSpace(c.requestHeader("X-Real-Ip"))
if len(clientIP) > 0 { if len(clientIP) > 0 {
return clientIP return clientIP
} }
clientIP = c.Request.Header.Get("X-Forwarded-For") clientIP = c.requestHeader("X-Forwarded-For")
clientIP = strings.TrimSpace(strings.Split(clientIP, ",")[0]) if index := strings.IndexByte(clientIP, ','); index >= 0 {
clientIP = clientIP[0:index]
}
clientIP = strings.TrimSpace(clientIP)
if len(clientIP) > 0 { if len(clientIP) > 0 {
return clientIP return clientIP
} }
@ -264,7 +267,14 @@ func (c *Context) ClientIP() string {
} }
func (c *Context) ContentType() string { func (c *Context) ContentType() string {
return filterFlags(c.Request.Header.Get("Content-Type")) return filterFlags(c.requestHeader("Content-Type"))
}
func (c *Context) requestHeader(key string) string {
if values, _ := c.Request.Header[key]; len(values) > 0 {
return values[0]
}
return ""
} }
/************************************/ /************************************/
@ -414,7 +424,7 @@ func (c *Context) NegotiateFormat(offered ...string) string {
panic("you must provide at least one offer") panic("you must provide at least one offer")
} }
if c.Accepted == nil { if c.Accepted == nil {
c.Accepted = parseAccept(c.Request.Header.Get("Accept")) c.Accepted = parseAccept(c.requestHeader("Accept"))
} }
if len(c.Accepted) == 0 { if len(c.Accepted) == 0 {
return offered[0] return offered[0]