module Main where
-import Prelude hiding (readFile)
+import Prelude hiding (lookup, readFile)
import System.Environment
import System.IO hiding (readFile)
import System.IO.Error
import Control.Exception
import Text.Show.Pretty hiding (String)
import Control.Monad
-import Data.ByteString.Lazy hiding (reverse, putStr, putStrLn, head)
+import Control.Monad.State
+import Data.ByteString.Lazy hiding (reverse, putStr, putStrLn, head, empty)
import qualified Data.ByteString.Char8 as C (pack)
import qualified Data.ByteString.Lazy.Char8 as L (pack)
import qualified Data.Text as T (pack)
import Data.List.Split
+import Data.Map.Lazy (Map, empty, lookup, insert, delete, size)
import Data.Aeson (encode, decode, Value(..))
import Network.HTTP.Types
-import Data.Conduit
-import Network.HTTP.Conduit
+import Network.HTTP.Client
+import Data.Default (def)
import JsonRpcClient
import Config
-- HTTP/JsonRpc interface
-qReq :: Config -> String -> String -> Request m
+qReq :: Config -> String -> Int -> Request
qReq cf q id = applyBasicAuth (C.pack (rpcuser cf)) (C.pack (rpcpassword cf))
$ def { host = (C.pack (rpchost cf))
, port = (rpcport cf)
JsonRpcRequest JsonRpcV1
"name_show"
[L.pack q]
- (String (T.pack id))
+ (String (T.pack (show id)))
, checkStatus = \_ _ _ -> Nothing
}
case parseJsonRpc (responseBody rsp) :: Either JsonRpcError NmcRes of
Left jerr ->
case (jrpcErrCode jerr) of
- -4 -> Right "{}" -- this is how non-existent entry is returned
- _ -> Left $ "JsonRpc error response: " ++ (show jerr)
+ (-4) -> Right "{}" -- this is how non-existent entry is returned
+ _ -> Left $ "JsonRpc error response: " ++ (show jerr)
Right jrsp -> Right $ resValue jrsp
-- NMC interface
queryOpNmc cfg mgr qid key =
- runResourceT (httpLbs (qReq cfg key qid) mgr) >>= return . qRsp
+ httpLbs (qReq cfg key qid) mgr >>= return . qRsp
queryOpFile key = catch (readFile key >>= return . Right)
(\e -> return (Left (show (e :: IOException))))
hSetBuffering stdin LineBuffering
hSetBuffering stdout LineBuffering
+
ver <- do
let
loopErr e = forever $ do
putStrLn $ "OK\tDnsNmc ready to serve, protocol v." ++ (show ver)
- mgr <- newManager def
- forever $ do
- l <- getLine
- case pdnsParse ver l of
- Left e -> putStr $ pdnsReport e
- Right preq -> do
- case preq of
- PdnsRequestQ qname qtype id _ _ _ ->
- queryDom (queryOpNmc cfg mgr id) qname
- >>= putStr . (pdnsOut ver id qname qtype)
- PdnsRequestAXFR xfrreq ->
- putStr $ pdnsReport ("No support for AXFR " ++ xfrreq)
- PdnsRequestPing -> putStrLn "END"
+ mgr <- newManager defaultManagerSettings
+
+ let
+ fetch = lookup
+ -- Save the name under current count, increment count for the next run
+ -- so the name is saved under the count that was put into the response.
+ stow name (count, cache) =
+ (if count >= 99 then 0 else count + 1
+ , insert count name
+ $ delete (if count >= 10 then count - 10 else count + 90) cache
+ )
+ io = liftIO
+
+ mainloop = forever $ do
+ l <- io getLine
+ (count, cache) <- get
+ case pdnsParse ver l of
+ Left e -> io $ putStr $ pdnsReport e
+ Right preq -> do
+ case preq of
+ PdnsRequestQ qname qtype id _ _ _ -> do
+ io $ queryDom (queryOpNmc cfg mgr id) qname
+ >>= putStr . (pdnsOutQ ver count qname qtype)
+ -- debug
+ io $ putStrLn $ "LOG\tRequest number " ++ (show count)
+ ++ " id: " ++ (show id)
+ ++ " qname: " ++ qname
+ ++ " qtype: " ++ (show qtype)
+ ++ " cache size: " ++ (show (size cache))
+ -- end debug
+ put $ stow qname (count, cache)
+ PdnsRequestAXFR xrq ->
+ case fetch xrq cache of
+ Nothing ->
+ io $ putStr $
+ pdnsReport ("AXFR for unknown id: " ++ (show xrq))
+ Just qname ->
+ io $ queryDom (queryOpNmc cfg mgr xrq) qname
+ >>= putStr . (pdnsOutXfr ver count qname)
+ PdnsRequestPing -> io $ putStrLn "END"
+
+ runStateT mainloop (0, empty) >> return ()
+
+-- helper for command-line tools
+
+pdnsOut key qt dom =
+ case qt of
+ "AXFR" -> pdnsOutXfr 1 (-1) key dom
+ _ -> pdnsOutQ 1 (-1) key (rrType qt) dom
-- query by key from Namecoin
-mainOne key = do
+mainOne key qt = do
cfg <- readConfig confFile
- mgr <- newManager def
- dom <- queryDom (queryOpNmc cfg mgr "_") key
+ mgr <- newManager defaultManagerSettings
+ dom <- queryDom (queryOpNmc cfg mgr (-1)) key
putStrLn $ ppShow dom
- putStr $ pdnsOut 1 "_" key RRTypeANY dom
+ putStr $ pdnsOut key qt dom
-- using file backend for testing json domain data
-mainFile key = do
+mainFile key qt = do
dom <- queryDom queryOpFile key
putStrLn $ ppShow dom
- putStr $ pdnsOut 1 "+" key RRTypeANY dom
+ putStr $ pdnsOut key qt dom
-- Entry point
main = do
args <- getArgs
case args of
- [] -> mainPdnsNmc
- [key] -> mainOne key
- ["-f",key] -> mainFile key
- _ -> error $ "usage: empty args, or \"[-f] <fqdn>\""
+ [] -> mainPdnsNmc
+ [key, qtype] -> mainOne key qtype
+ ["-f" ,key, qtype] -> mainFile key qtype
+ _ -> error $ "usage: empty args, or \"[-f] <fqdn> {<TYPE>|ANY|AXFR}\" (type in caps)"
projects / pdns-pipe-nmc.git / blobdiff