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- #!/usr/bin/env lua
- local socket = require "socket"
- local uloop = require("uloop")
- uloop.init()
- local udp = socket.udp()
- udp:settimeout(0)
- udp:setsockname('*', 8080)
- -- timer example 1
- local timer
- function t()
- print("1000 ms timer run");
- timer:set(1000)
- end
- timer = uloop.timer(t)
- timer:set(1000)
- -- timer example 2
- uloop.timer(function() print("2000 ms timer run"); end, 2000)
- -- timer example 3
- uloop.timer(function() print("3000 ms timer run"); end, 3000):cancel()
- -- process
- function p1(r)
- print("Process 1 completed")
- print(r)
- end
- function p2(r)
- print("Process 2 completed")
- print(r)
- end
- uloop.timer(
- function()
- uloop.process("uloop_pid_test.sh", {"foo", "bar"}, {"PROCESS=1"}, p1)
- end, 1000
- )
- uloop.timer(
- function()
- uloop.process("uloop_pid_test.sh", {"foo", "bar"}, {"PROCESS=2"}, p2)
- end, 2000
- )
- udp_ev = uloop.fd_add(udp, function(ufd, events)
- local words, msg_or_ip, port_or_nil = ufd:receivefrom()
- print('Recv UDP packet from '..msg_or_ip..':'..port_or_nil..' : '..words)
- if words == "Stop!" then
- udp_ev:delete()
- end
- end, uloop.ULOOP_READ)
- udp_count = 0
- udp_send_timer = uloop.timer(
- function()
- local s = socket.udp()
- local words
- if udp_count > 3 then
- words = "Stop!"
- udp_send_timer:cancel()
- else
- words = 'Hello!'
- udp_send_timer:set(1000)
- end
- print('Send UDP packet to 127.0.0.1:8080 :'..words)
- s:sendto(words, '127.0.0.1', 8080)
- s:close()
- udp_count = udp_count + 1
- end, 3000
- )
- uloop.run()
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