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authorIgor Pashev <pashev.igor@gmail.com>2016-11-23 17:31:53 +0300
committerIgor Pashev <pashev.igor@gmail.com>2016-11-23 18:15:52 +0300
commit2ac9a861e47d17195bccb9c2a0d0c6e28dbc0316 (patch)
treeda340b98095c4e1548bf9246b38a60d37cf06057 /src/Sproxy/Application.hs
parent7578b8d710c235c1b8c1fc76e2e37e4eb46d89d5 (diff)
downloadsproxy2-2ac9a861e47d17195bccb9c2a0d0c6e28dbc0316.tar.gz
Differentiate exceptions
Diffstat (limited to 'src/Sproxy/Application.hs')
-rw-r--r--src/Sproxy/Application.hs19
1 files changed, 15 insertions, 4 deletions
diff --git a/src/Sproxy/Application.hs b/src/Sproxy/Application.hs
index 5ce847c..8c3247c 100644
--- a/src/Sproxy/Application.hs
+++ b/src/Sproxy/Application.hs
@@ -8,7 +8,7 @@ module Sproxy.Application (
import Blaze.ByteString.Builder (toByteString)
import Blaze.ByteString.Builder.ByteString (fromByteString)
-import Control.Exception (SomeException, catch)
+import Control.Exception (Exception, Handler(..), SomeException, catches, displayException)
import Data.ByteString (ByteString)
import Data.ByteString as BS (break, intercalate)
import Data.Char (toLower)
@@ -346,9 +346,20 @@ notFound msg req resp = do
logException :: W.Middleware
-logException app req resp = catch (app req resp) $ \e -> do
- Log.error $ "500 Internal Error: " ++ show (e :: SomeException) ++ " on " ++ showReq req
- resp $ W.responseLBS internalServerError500 [] "Internal Error"
+logException app req resp =
+ catches (app req resp) [
+ Handler internalError
+ ]
+ where
+ internalError :: SomeException -> IO W.ResponseReceived
+ internalError = response internalServerError500
+
+ response :: Exception e => Status -> e -> IO W.ResponseReceived
+ response st e = do
+ Log.error $ show (statusCode st) ++ " " ++ unpack (statusMessage st)
+ ++ ": " ++ displayException e ++ " on " ++ showReq req
+ resp $ W.responseLBS st [(hContentType, "text/plain")] (fromStrict $ statusMessage st)
+
get :: W.Middleware