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File: HTTP.em

Description: Functions to send and receive data over an HTTP connection using POL's internal webserver. Scripts in /scripts/www are considered at the top level directory. I.e. http://192.168.0.5:8088/online.ecl
Last Modified: 10/27/2007

QueryIP()
Explanation
returns the IP address of the connecting browser
Return values
String IP address, i.e. "192.168.0.5"
QueryParam( param )
Parameters:
Name Type
param String
Explanation
Query's the accessed URL for any embedded parameters. (see your favorite HTML docs for parameter embedding! :) )
Example: http://pol.server.com:8080/querytest.ecl?par=wibble&name=
QueryParam( "par" ) ---> "wibble"
QueryParam( "name" ) --> ""
QueryParam( "heat" ) --> 0 [integer]
Return values
String value of the embedded param, or 0 if not found.
Errors
"Invalid parameter type"
WriteHtml( html )
Parameters:
Name Type
html String
Explanation
Writes a line of HTML to the "virtual webpage" that will be sent to the connecting browser and appends a new-line.
Return values
1 always
Errors
"Socket is disconnected"
"Invalid parameter type"
WriteHtmlRaw( html )
Parameters:
Name Type
html String
Explanation
Writes a line of HTML to the "virtual webpage" that will be sent to the connecting browser, does NOT append a new-line.
Return values
1 always
Errors
"Socket is disconnected"
"Invalid parameter type"