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mod_telnet_tlsinfo/mod_telnet_tlsinfo.lua @ 4877:adc6241e5d16
mod_measure_process: Report the enforced limit
The soft limit is what the kernel actually enforces, while the hard
limit is is how far you can change the soft limit without privileges.
Unless the process dynamically adjusts the soft limit, knowing the hard
limit is not as useful as knowing the soft limit.
Reporting the soft limit and the number of in-use FDs allows placing
alerts on expressions like 'process_open_fds / process_max_fds >= 0.95'
author | Kim Alvefur <zash@zash.se> |
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date | Tue, 18 Jan 2022 18:55:20 +0100 |
parent | 1132:832235cc1910 |
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-- mod_telnet_tlsinfo.lua module:set_global(); module:depends("admin_telnet"); local console_env = module:shared("/*/admin_telnet/env"); local c2s_sessions = module:shared("/*/c2s/sessions"); local s2s_sessions = module:shared("/*/s2s/sessions"); local function print_tlsinfo(print, session) if session.secure then local sock = session.conn:socket() for k,v in pairs(sock:info()) do print(("%20s: %s"):format(k, tostring(v))) end else print(("%20s: %s"):format("protocol", "TCP")) end end function console_env.c2s:showtls(pat) local print = self.session.print; for _, session in pairs(c2s_sessions) do if not pat or session.full_jid and session.full_jid:find(pat, nil, true) then print(session.full_jid or "unauthenticated") print_tlsinfo(print, session); print"" end end end function console_env.s2s:showtls(pat) local print = self.session.print; for _, session in pairs(s2s_sessions) do if not pat or session.from_host == pat or session.to_host == pat then if session.direction == "outgoing" then print(session.from_host, "->", session.to_host) else print(session.to_host, "<-", session.from_host) end print_tlsinfo(print, session); print"" end end end