From c411820cf78cf0d0c8dd70b350c0e5ea98339c7a Mon Sep 17 00:00:00 2001
From: Amos Jeffries <squid3@treenet.co.nz>
Date: Mon, 29 Sep 2008 21:36:52 +1300
Subject: [PATCH] Log to cache.log what languages users are attempting to
 auto-negotiate for translations.

Successful negotiations are not logged. Only failures
have meaning to indicate that Squid may need an upgrade
of its error page translations.
---
 src/cf.data.pre  | 14 ++++++++++++++
 src/errorpage.cc |  3 +++
 src/structs.h    |  1 +
 3 files changed, 18 insertions(+)

diff --git a/src/cf.data.pre b/src/cf.data.pre
index e5655511ed..35147c0100 100644
--- a/src/cf.data.pre
+++ b/src/cf.data.pre
@@ -4786,6 +4786,20 @@ DOC_START
 	http://wiki.squid-cache.org/Translations
 DOC_END
 
+NAME: error_log_languages
+IFDEF: USE_ERR_LOCALES
+TYPE: onoff
+LOC: Config.errorLogMissingLanguages
+DEFAULT: on
+DOC_START
+	Log to cache.log what languages users are attempting to
+	auto-negotiate for translations.
+
+	Successful negotiations are not logged. Only failures
+	have meaning to indicate that Squid may need an upgrade
+	of is error page translations.
+DOC_END
+
 NAME: err_page_stylesheet
 TYPE: string
 LOC: Config.errorStylesheet
diff --git a/src/errorpage.cc b/src/errorpage.cc
index 0cd6b22a98..29eedb4e02 100644
--- a/src/errorpage.cc
+++ b/src/errorpage.cc
@@ -969,6 +969,9 @@ ErrorState::BuildContent()
                     err_language = xstrdup(reset);
                     break;
                 }
+                else if(Config.errorLogMissingLanguages) {
+                    debugs(4, DBG_IMPORTANT, "WARNING: Error Pages Missing Language: " << reset);
+                }
 
 #if HAVE_GLOB
                 if( (dt - reset) == 2) {
diff --git a/src/structs.h b/src/structs.h
index 77b905b66a..2d8621b35e 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -550,6 +550,7 @@ struct SquidConfig
     char *errorDirectory;
 #if USE_ERR_LOCALES
     char *errorDefaultLanguage;
+    int errorLogMissingLanguages;
 #endif
     char *errorStylesheet;
 
-- 
2.47.3