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