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IRC gateway: Difference between revisions
→Tcl: Added implementation
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{{draft task}} Create an IRC Gateway capable of connecting an IRC server with another IRC server or [[Chat server]]
=={{header|Tcl}}==
This code is called as a complete script, perhaps like this:
<lang sh>./ircgateway.tcl irc://hostA.org/fishing bait irc://hostB.com:6667/haxors botfly</lang>
{{tcllib|picoirc}}
<lang tcl>#!/bin/env tclsh8.5
package require picoirc
### Parse script arguments
# URL form: irc://foobar.org/secret
if {$argc != 4} {
puts stderr "wrong # args: should be \"$argv0 ircA nickA ircB nickB\""
exit 1
}
lassign $argv url1 nick1 url2 nick2
### How to do the forwarding from one side to the other
proc handle {from to -> state args} {
upvar #0 conn($from) f conn($to) t chan($to) chan
switch -exact -- $state {
"chat" {
lassign $args target nick message type
if {![string match "*>>*<<*" $message]} {
picoirc::post $t $chan ">>$nick said<< $message"
}
}
"traffic" {
lassign $args action channel nick newnick
switch -exact -- $action {
"entered" - "left" {
picoirc::post $t $chan ">>$nick has $action<<"
}
}
}
"close" {
exit
}
}
}
### Connect and run the event loop
set chan(1) [lindex [picoirc::splituri $url1] 2]
set chan(2) [lindex [picoirc::splituri $url1] 2]
interp alias {} handle1to2 {} handle 1 2
interp alias {} handle2to1 {} handle 2 1
set conn(1) [picoirc::connect handle1to2 $nick1 $url1]
set conn(2) [picoirc::connect handle2to1 $nick2 $url2]
vwait forever</lang>
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