33 lines
573 B
Lua
33 lines
573 B
Lua
#!/usr/bin/env lua
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--[[
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Find out how many TCP connections we can make.
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Use ulimit to increase the max number of descriptors:
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ulimit -n 10000
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ulimit -n
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You'll probably need to be root to do this.
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]]
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require "socket"
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host = arg[1] or "google.com"
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port = arg[2] or 80
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connections = {}
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repeat
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c = assert(socket.connect(hostip or host, 80))
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table.insert(connections, c)
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if not hostip then
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hostip = c:getpeername()
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print("resolved", host, "to", hostip)
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end
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print("connection #", #connections, c, "fd", c:getfd())
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until false
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