💾 Archived View for thrig.me › blog › 2023 › 05 › 10 › slow-client.tcl captured on 2024-06-16 at 13:32:54.
⬅️ Previous capture (2023-05-24)
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#!/usr/bin/env expect
#
# slow client, for when one needs to trickle data slowly to a server
# (possibly to see if that server makes rash assumptions about what a
# read buffer will contain)
package require Tcl 8.5
set host [lindex $argv 0]
set port [lindex $argv 1]
set send [lindex $argv 2]
set wait [lindex $argv 3]
if {$host eq ""} {set host localhost}
if {$port eq ""} {set port 7777}
if {$send eq ""} {set send "echo\n"}
if {$wait eq ""} {set wait 1000}
set fh [socket $host $port]
chan configure $fh -buffering none
after $wait send_char $fh [split $send ""]
foreach c [split $send ""] {
if {[catch {puts -nonewline $fh $c} msg]} {
close $fh
puts stderr "slow-client: $msg"
exit 1
}
after $wait
}