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core.tcl
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core.tcl
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#!/usr/bin/env tclsh
# apHTTP - a programmable HTTP server in Tcl (the library itself)
# Copyright (C) Tim K/RoverAMD 2019 <timprogrammer@rambler.ru>.
#
# Permission to use, copy, modify, and/or distribute this software for
# any purpose with or without fee is hereby granted.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
namespace eval aphttp {
proc kickstart {cmd port} {
set socketSet [socket -server [list aphttp::queryConnection $cmd] $port]
vwait forever
}
proc queryConnection {cmd socketv address port} {
fconfigure $socketv -buffering line
fileevent $socketv readable [list aphttp::mapConnection $cmd $socketv $address $port]
}
proc parseHeaders {listing {withFirst 1}} {
set first $withFirst
set result [dict create]
foreach line $listing {
if {$first} {
set first 0
set lnSplit [split $line { }]
lappend lnSplit {}
lappend lnSplit {}
dict set result method [lindex $lnSplit 0]
dict set result url [lindex $lnSplit 1]
} else {
set lnSplit [split $line {:}]
set halfOne [lindex $lnSplit 0]
set halfTwo [string range [join [lreplace $lnSplit 0 0] :] 1 end]
dict set result $halfOne $halfTwo
}
}
return $result
}
proc mapConnection {cmd socketv address port} {
set what {}
set line wtf
while {! [eof $socketv] && ! [catch {gets $socketv line}] && [string length $line] >= 3} {
lappend what $line
}
set parsedHeaders [aphttp::parseHeaders $what]
eval "$cmd $socketv \"$address:$port\""
close $socketv
}
}