1 -- |Configurations for the Lucu httpd like a port to listen.
2 module Network.HTTP.Lucu.Config
8 import qualified Data.Map as M
12 import Network.HTTP.Lucu.MIMEType
13 import Network.HTTP.Lucu.MIMEType.DefaultExtensionMap
14 import System.IO.Unsafe
16 -- |A configuration record for the Lucu httpd. You need to use
17 -- 'defaultConfig' or setup your own configuration to run the httpd.
18 data Config = Config {
19 -- |A string which will be sent to clients as \"Server\" field.
20 cnfServerSoftware :: String
21 -- |The host name of the server. This value will be used in
22 -- built-in pages like \"404 Not Found\".
23 , cnfServerHost :: HostName
24 -- |A port ID to listen to HTTP clients.
25 , cnfServerPort :: PortID
26 -- |The maximum number of requests to accept in one connection
27 -- simultaneously. If a client exceeds this limitation, its last
28 -- request won't be processed until a response for its earliest
29 -- pending request is sent back to the client.
30 , cnfMaxPipelineDepth :: Int
31 -- |The maximum length of request entity to accept in bytes. Note
32 -- that this is nothing but the default value which is used when
33 -- 'Network.HTTP.Lucu.Resource.input' and such like are applied to
34 -- 'Network.HTTP.Lucu.Resource.defaultLimit', so there is no
35 -- guarantee that this value always constrains all the requests.
36 , cnfMaxEntityLength :: Int
37 -- |The maximum length of chunk to output. This value is used by
38 -- 'Network.HTTP.Lucu.Resource.output' and such like to limit the
39 -- chunk length so you can safely output an infinite string (like
40 -- a lazy stream of \/dev\/random) using those actions.
41 , cnfMaxOutputChunkLength :: Int
42 -- |A mapping from extension to MIME Type. This value is used by
43 -- 'Network.HTTP.Lucu.StaticFile.staticFile' to guess the MIME
44 -- Type of static files. Note that MIME Types are currently
45 -- guessed only by file name.
47 -- Guessing by file magic is indeed a wonderful idea but that is
48 -- not implemented (yet). But hey, don't you think it's better a
49 -- file system got a MIME Type as a part of inode? Or it might be
50 -- a good idea to use GnomeVFS
51 -- (<http://developer.gnome.org/doc/API/2.0/gnome-vfs-2.0/>)
52 -- instead of vanilla FS.
53 , cnfExtToMIMEType :: Map String MIMEType
56 -- |The default configuration. Generally you can use this value as-is,
57 -- or possibly you just want to replace the 'cnfServerSoftware' and
59 defaultConfig :: Config
60 defaultConfig = Config {
61 cnfServerSoftware = "Lucu/1.0"
62 , cnfServerHost = unsafePerformIO getHostName
63 , cnfServerPort = Service "http"
64 , cnfMaxPipelineDepth = 100
65 , cnfMaxEntityLength = 16 * 1024 * 1024 -- 16 MiB
66 , cnfMaxOutputChunkLength = 5 * 1024 * 1024 -- 5 MiB
67 , cnfExtToMIMEType = defaultExtensionMap