Library to support CGI programming in the HTML library. It is only intended as an auxiliary library to implement dynamic web pages according to the HTML library. It contains a simple script that is installed for a dynamic web page and which sends the user input to the real application server implementing the application.
Author: Michael Hanus
Version: September 2012
readCgiServerMsg
:: Handle -> IO (Maybe CgiServerMsg)
Reads a line from a handle and check whether it is a syntactically correct cgi server message. |
submitForm
:: IO ()
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runCgiServerCmd
:: String -> CgiServerMsg -> IO ()
Executes a specific command for a cgi server. |
noHandlerPage
:: String -> String -> String
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cgiServerRegistry
:: String
The name of the file to register all cgi servers. |
registerCgiServer
:: String -> String -> IO ()
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unregisterCgiServer
:: String -> IO ()
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The messages to comunicate between the cgi script and the server program. CgiSubmit env cgienv nextpage - pass the environment and show next page, where env are the values of the environment variables of the web script (e.g., QUERYSTRING, REMOTEHOST, REMOTE_ADDR), cgienv are the values in the current form submitted by the client, and nextpage is the answer text to be shown in the next web page
Constructors:
CgiSubmit
:: [(String,String)] -> [(String,String)] -> CgiServerMsg
GetLoad
:: CgiServerMsg
: get info about the current load of the server process
SketchStatus
:: CgiServerMsg
: get a sketch of the status of the server
SketchHandlers
:: CgiServerMsg
: get a sketch of all event handlers of the server
ShowStatus
:: CgiServerMsg
: show the status of the server with all event handlers
CleanServer
:: CgiServerMsg
: clean up the server (with possible termination)
StopCgiServer
:: CgiServerMsg
: stop the server
Reads a line from a handle and check whether it is a syntactically correct cgi server message. |
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Executes a specific command for a cgi server. |
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The name of the file to register all cgi servers.
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