From f596c744edf715d1ca9205042a07c8d73c0bea7f Mon Sep 17 00:00:00 2001
From: "Frederick F. Kautz IV" <fkautz@alumni.cmu.edu>
Date: Wed, 29 Apr 2015 17:21:23 -0700
Subject: [PATCH] Adding error message on connection limit met

---
 pkg/api/quota/conn_limit.go | 2 ++
 pkg/api/quota/errors.go     | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/pkg/api/quota/conn_limit.go b/pkg/api/quota/conn_limit.go
index a281a537f..98cfb8b97 100644
--- a/pkg/api/quota/conn_limit.go
+++ b/pkg/api/quota/conn_limit.go
@@ -61,6 +61,8 @@ func (c *connLimit) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	if c.TestAndAdd(longIP) {
 		defer c.Remove(longIP)
 		c.handler.ServeHTTP(w, req)
+	} else {
+		writeErrorResponse(w, req, ConnectionLimitExceeded, req.RequestURI)
 	}
 }
 
diff --git a/pkg/api/quota/errors.go b/pkg/api/quota/errors.go
index d236aee79..93e1d21ad 100644
--- a/pkg/api/quota/errors.go
+++ b/pkg/api/quota/errors.go
@@ -47,6 +47,7 @@ const (
 	BandWidthQuotaExceeded
 	BandWidthInsufficientToProceed
 	SlowDown
+	ConnectionLimitExceeded
 )
 
 // Golang http doesn't implement these
@@ -89,6 +90,11 @@ var errorCodeResponse = map[int]Error{
 		Description:    "Reduce your request rate.",
 		HTTPStatusCode: StatusTooManyRequests,
 	},
+	ConnectionLimitExceeded: {
+		Code:           "ConnectionLimit",
+		Description:    "Connection Limit Met",
+		HTTPStatusCode: StatusTooManyRequests,
+	},
 }
 
 // Write error response headers