Project init; added Gelf format.

diff --git a/.gitignore b/.gitignore
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+++ b/.gitignore
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+.stack-work/
+cabal.sandbox.config
+.cabal-sandbox/
+
+dist/
+
+*.hi
+*.o
+
+*.swp
+
+.DS_Store

diff --git a/LICENSE b/LICENSE
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+++ b/LICENSE
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+Copyright (c) 2016 Andrew Rademacher 
+
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

diff --git a/Makefile b/Makefile
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+++ b/Makefile
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+graylog:
+       docker run -t -p 9000:9000 -p 12201:12201 -p 12201:12201/udp graylog2/allinone

diff --git a/Setup.hs b/Setup.hs
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+++ b/Setup.hs
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+import Distribution.Simple
+main = defaultMain

diff --git a/graylog.cabal b/graylog.cabal
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+++ b/graylog.cabal
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+name:             graylog
+version:          0.1.0.0
+synopsis:         Support for graylog output.
+description:      Please see README.md
+homepage:         http://github.com/githubuser/graylog#readme
+license:          MIT
+license-file:     LICENSE
+author:           Andrew Rademacher
+maintainer:       andrewrademacher@gmail.com
+copyright:        2016 Andrew Rademacher
+category:         Web
+build-type:       Simple
+cabal-version:    >=1.10
+
+library 
+   hs-source-dirs:      src
+   default-language:    Haskell2010
+
+   exposed-modules:     Graylog.Gelf
+
+   ghc-options:         -Wall -rtsopts
+
+   build-depends:       base            ==4.*
+   
+                     ,  aeson
+                     ,  aeson-casing
+                     ,  scientific
+                     ,  text
+                     ,  time
+                     ,  vector

diff --git a/src/Graylog/Gelf.hs b/src/Graylog/Gelf.hs
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index 0000000..67e0de7
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+++ b/src/Graylog/Gelf.hs
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+{-# LANGUAGE DeriveDataTypeable #-}
+{-# LANGUAGE DeriveGeneric      #-}
+{-# LANGUAGE OverloadedStrings  #-}
+
+module Graylog.Gelf where
+
+import           Data.Aeson        (ToJSON (..), Value (..), genericToJSON,
+                                    toJSON)
+import           Data.Aeson.Casing
+import           Data.Scientific
+import           Data.Text         (Text)
+import           Data.Time
+import           Data.Typeable
+import           Data.Vector
+import           GHC.Generics
+
+data GELF
+   = GELF
+      { _gelfVersion          :: Version
+      , _gelfHost             :: Text
+      , _gelfShortMessage     :: Text
+      , _gelfFullMessage      :: Maybe Text
+      , _gelfTimestamp        :: Maybe UTCTime
+      , _gelfLevel            :: Maybe SyslogLevel
+      , _gelfLine             :: Maybe Word
+      , _gelfFile             :: Maybe Text
+      , _gelfAdditionalFields :: Vector Field
+      }
+   deriving (Show, Typeable, Generic)
+
+instance ToJSON GELF where
+   toJSON = genericToJSON $ aesonPrefix snakeCase
+
+--
+
+data Version
+   = Version1x1
+   deriving (Eq, Show, Typeable, Generic)
+
+instance ToJSON Version where
+   toJSON Version1x1 = String "1.1"
+
+--
+
+data SyslogLevel
+   = Emergency
+   | Alert
+   | Critical
+   | Error
+   | Warning
+   | Notice
+   | Informational
+   | Debug
+   deriving (Eq, Ord, Show, Typeable, Generic)
+
+instance ToJSON SyslogLevel where
+   toJSON Emergency     = Number 0
+   toJSON Alert         = Number 1
+   toJSON Critical      = Number 2
+   toJSON Error         = Number 3
+   toJSON Warning       = Number 4
+   toJSON Notice        = Number 5
+   toJSON Informational = Number 6
+   toJSON Debug         = Number 7
+
+--
+
+data Field
+   = FieldString Text
+   | FieldNumber Scientific
+   deriving (Eq, Show, Typeable, Generic)
+
+instance ToJSON Field where
+   toJSON (FieldString s) = String s
+   toJSON (FieldNumber n) = Number n
+

diff --git a/stack.yaml b/stack.yaml
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+++ b/stack.yaml
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+# This file was automatically generated by stack init
+# For more information, see: http://docs.haskellstack.org/en/stable/yaml_configuration/
+
+# Specifies the GHC version and set of packages available (e.g., lts-3.5, nightly-2015-09-21, ghc-7.10.2)
+resolver: lts-5.4
+
+# Local packages, usually specified by relative directory name
+packages:
+- '.'
+# Packages to be pulled from upstream that are not in the resolver (e.g., acme-missiles-0.3)
+extra-deps: []
+
+# Override default flag values for local packages and extra-deps
+flags: {}
+
+# Extra package databases containing global packages
+extra-package-dbs: []
+
+# Control whether we use the GHC we find on the path
+# system-ghc: true
+
+# Require a specific version of stack, using version ranges
+# require-stack-version: -any # Default
+# require-stack-version: >= 1.0.0
+
+# Override the architecture used by stack, especially useful on Windows
+# arch: i386
+# arch: x86_64
+
+# Extra directories used by stack for building
+# extra-include-dirs: [/path/to/dir]
+# extra-lib-dirs: [/path/to/dir]
+
+# Allow a newer minor version of GHC than the snapshot specifies
+# compiler-check: newer-minor