net/http: add additional status codes defined in RFC 6585

428 Precondition Required
429 Too Many Requests
431 Request Header Fields Too Large
511 Network Authentication Required

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/7678043

diff --git a/src/pkg/net/http/status.go b/src/pkg/net/http/status.go
index 5af0b77c4288172745278cd9cf7f22bd23f3c106..d253bd5cb54d49aacdb029a23f574b23a1de7b28 100644 (file)
--- a/src/pkg/net/http/status.go
+++ b/src/pkg/net/http/status.go
@@ -51,6 +51,13 @@ const (
        StatusServiceUnavailable      = 503
        StatusGatewayTimeout          = 504
        StatusHTTPVersionNotSupported = 505
+
+       // New HTTP status codes from RFC 6585. Not exported yet in Go 1.1.
+       // See discussion at https://codereview.appspot.com/7678043/
+       statusPreconditionRequired          = 428
+       statusTooManyRequests               = 429
+       statusRequestHeaderFieldsTooLarge   = 431
+       statusNetworkAuthenticationRequired = 511
 )
 
 var statusText = map[int]string{
@@ -99,6 +106,11 @@ var statusText = map[int]string{
        StatusServiceUnavailable:      "Service Unavailable",
        StatusGatewayTimeout:          "Gateway Timeout",
        StatusHTTPVersionNotSupported: "HTTP Version Not Supported",
+
+       statusPreconditionRequired:          "Precondition Required",
+       statusTooManyRequests:               "Too Many Requests",
+       statusRequestHeaderFieldsTooLarge:   "Request Header Fields Too Large",
+       statusNetworkAuthenticationRequired: "Network Authentication Required",
 }
 
 // StatusText returns a text for the HTTP status code. It returns the empty