Network.Web.HTTP

HTTP library for HTTP server.

Documentation

receive :: Handle -> IO (Maybe Request)

Receiving HTTP request from Handle. If request is broken, Nothing is returned.

respond :: Handle -> Version -> Persist -> Response -> IO ()

Sending HTTP response to Handle. If Keep is specified, the HTTP connection will be kept. If Close is specified, the connection will be closed. Version should be copied from Request.

data Request

Abstract data type of HTTP request.

Instances

Show Request

Comm Request

reqMethod :: Request -> Method

Request method

reqURI :: Request -> URI

URI parsed from absolute URL or relative URL with the Host: field

reqVersion :: Request -> Version

HTTP version

reqFields :: Request -> Fields

Key-values of request header

reqBody :: Request -> Maybe ByteString

Entity body if exists

reqLength :: Request -> Integer

Length of entity body from Content-Length:

data Response

Abstract data type of HTTP response.

Instances

Comm Response

rspStatus :: Response -> Status

Response status

rspFields :: Response -> Fields

rspBody :: Response -> Maybe ByteString

rspLength :: Response -> Maybe Integer

rspLogMsg :: Response -> String

makeResponse :: Status -> [(FieldKey, FieldValue)] -> Response

A function to make Response.

makeResponse2 :: Status -> Maybe ByteString -> Maybe Integer -> [(FieldKey, FieldValue)] -> Response

A function to make Response.

makeResponse3 :: Status -> Maybe ByteString -> Maybe Integer -> Fields -> Response

A function to make Response.

class Comm a

A class to abstract Request and Response.

Instances

Comm Response

Comm Request

data Fields

Abstract data type for Key-values of HTTP header.

Instances

Show Fields

lookupField :: Comm a => FieldKey -> a -> Maybe FieldValue

Looking up the HTTP field value.

lookupField' :: FieldKey -> Fields -> Maybe FieldValue

Looking up the HTTP field value.

insertField :: Comm a => FieldKey -> FieldValue -> a -> a

Inserting the HTTP field.

insertField' :: FieldKey -> FieldValue -> Fields -> Fields

Inserting the HTTP field.

receiveFields :: Handle -> IO Fields

Parsing HTTP header from Handle. This function is useful to parse CGI output.

fromFields :: Fields -> [(FieldKey, FieldValue)]

module Network.Web.Params