Add Network.GRPC.Time module with Timespec binding.

This commit is contained in:
Alois Cochard 2015-03-02 15:48:18 +01:00
parent 27e90f47bb
commit 3d4cad3279
2 changed files with 35 additions and 3 deletions

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@ -19,11 +19,17 @@ cabal-version: >=1.10
library
exposed-modules:
Network.GRPC
Network.GRPC.Time
-- other-modules:
-- other-extensions:
extra-libraries: grpc
includes: grpc/grpc.h
extra-libraries:
grpc
includes:
grpc/grpc.h
, grpc/support/time.h
build-tools: c2hs
build-depends: base >=4.7 && <4.8
build-depends:
base >=4.7 && <4.8
, clock >=0.4 && <0.5
hs-source-dirs: src
default-language: Haskell2010

26
src/Network/GRPC/Time.chs Normal file
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@ -0,0 +1,26 @@
module Network.GRPC.Time where
import Control.Applicative
import Control.Monad
import Foreign.C.Types
import Foreign.Ptr
import Foreign.Storable
import System.Clock
#include "grpc/support/time.h"
{#context prefix = "grp" #}
newtype CTimeSpec = CTimeSpec { timeSpec :: TimeSpec }
{#pointer *gpr_timespec as CTimeSpecPtr -> CTimeSpec #}
instance Storable CTimeSpec where
sizeOf _ = {#sizeof gpr_timespec #}
alignment _ = {#alignof gpr_timespec #}
peek p = fmap CTimeSpec $ TimeSpec
<$> liftM fromIntegral ({#get gpr_timespec->tv_sec #} p)
<*> liftM fromIntegral ({#get gpr_timespec->tv_nsec #} p)
poke p x = do
{#set gpr_timespec.tv_sec #} p (fromIntegral $ sec $ timeSpec x)
{#set gpr_timespec.tv_nsec #} p (fromIntegral $ nsec $ timeSpec x)