52 lines
1.2 KiB
Crystal
52 lines
1.2 KiB
Crystal
# WARNING: This code is for DEBUG only.
|
|
|
|
# Listen to a UNIX socket, connect to another one.
|
|
require "ipc"
|
|
|
|
ipc = IPC.new
|
|
ipc.timer 5000 # timer event every 5 seconds
|
|
fd = ipc.connect "pong" # 'pong' service
|
|
|
|
ipc.loop do |event|
|
|
case event.type
|
|
when LibIPC::EventType::MessageRx
|
|
m = event.message
|
|
if m.nil?
|
|
puts "No message"
|
|
else
|
|
received = String.new(m.to_unsafe, m.size)
|
|
pp! received
|
|
ipc.schedule event.fd, m, m.size
|
|
end
|
|
when LibIPC::EventType::MessageTx
|
|
puts "A message has been sent"
|
|
when LibIPC::EventType::Connection
|
|
puts "A client just connected #JOY"
|
|
when LibIPC::EventType::Disconnection
|
|
puts "A client just disconnected #SAD"
|
|
when LibIPC::EventType::Timer
|
|
STDOUT.write "\rTimer!".to_slice
|
|
when LibIPC::EventType::External
|
|
else
|
|
puts "Unexpected: #{event.type}"
|
|
exit 1
|
|
end
|
|
end
|
|
|
|
# Read an IPC network packet and remove the first 4 bytes.
|
|
buffer = Bytes.new 1_000_000
|
|
while true
|
|
len = STDIN.read buffer
|
|
break if len == 0
|
|
STDOUT.write buffer[4.. len -1]
|
|
end
|
|
|
|
# Input to IPC network packets.
|
|
buffer = Bytes.new 1_000_000
|
|
while true
|
|
len = STDIN.read buffer
|
|
break if len == 0
|
|
STDOUT.write_bytes len, IO::ByteFormat::BigEndian
|
|
STDOUT.write buffer[0.. len -1]
|
|
end
|