#!/usr/bin/env tclsh array set opts {-root ../../doc -port 8086 -protected-port 9096 -pkgdir .} array set opts $argv lappend auto_path $opts(-pkgdir) #if {$::tcl_platform(platform) eq "windows"} {lappend auto_path .} package require XOTcl 2.0; namespace import -force ::xotcl::* proc ! string { set f [open [::xotcl::tmpdir]/log w+]; puts $f "[clock format [clock seconds]] $string" close $f } @ @File { description { This small demo program starts two different webservers: To see, how it works, contact it e.g. from netscape. } } ! "#### webserver starting" # We load the following packages: # #::xotcl::package import ::xotcl::comm::httpd package require xotcl::comm::httpd ! "#### httpd required" # now we can start the web-server instance with these settings # Httpd h1 -port $opts(-port) -root $opts(-root) @ Httpd h1 {description "unprotected web server"} ! "#### h1 started" # specialized worker, which executes tcl commands in web pages @ Class SpecializedWorker { description { Specialized worker that can be passed to any webserver }} Class SpecializedWorker -superclass Httpd::Wrk @ SpecializedWorker instproc respond {} { description { This method handles all responses from the webserver to the client. We implement here "exit", and we return the information about the actual request and user in HTML format for all other requests.

This method is an example, how to access on the server side request specific information. }} SpecializedWorker instproc respond {} { if {[my set resourceName] eq "exit"} { set ::forever 1 #my showVars #my set version 1.0;### ???? #puts stderr HERE } # return for all other requests the same response foreach {a v} [my array get meta] { append m $a$v\n } set content {

Request Info

method:[my set method]
resource:[my set resourceName]
user:[my set user]
version:HTTP/[my set version]
response port:[my set port]
request comes from:[my set ipaddr]

Request Header Fields

$m
} set c [subst $content] my replyCode 200 [self]::connection puts "Content-Type: text/html" [self]::connection puts "Content-Length: [string length $c]\n" [self]::connection puts-nonewline $c my close } @ Httpd h2 { description "Web server with basic authentication using the specialized worker"} if {[info exists env(USER)]} { set USER "$env(USER)" } elseif {[info exists env(USERNAME)]} { set USER "$env(USERNAME)" } else { set USER unknown } if {$::tcl_platform(platform) eq "windows"} { set USER unknown } Httpd h2 -port $opts(-protected-port) -root $opts(-root) \ -httpdWrk SpecializedWorker \ -mixin Httpd::BasicAccessControl \ -addRealmEntry test "u1 test $USER test" -protectDir test "" {} ! "#### h2 started" # # and finally call the event loop... # vwait forever