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annotate mod_c2s_limit_sessions/mod_c2s_limit_sessions.lua @ 4877:adc6241e5d16

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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>
date Tue, 18 Jan 2022 18:55:20 +0100
parents f581210093a7
children
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ecc948f8d47d mod_c2s_limit_sessions: Limit number of resources a user may connect
Kim Alvefur <zash@zash.se>
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1 -- mod_c2s_limit_sessions
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2
ecc948f8d47d mod_c2s_limit_sessions: Limit number of resources a user may connect
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3 local next, count = next, require "util.iterators".count;
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4
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5 local max_resources = module:get_option_number("max_resources", 10);
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6
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7 local sessions = hosts[module.host].sessions;
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8 module:hook("resource-bind", function(event)
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f581210093a7 mod_c2s_limit_sessions: Fix global access
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9 local session = event.session;
f581210093a7 mod_c2s_limit_sessions: Fix global access
Kim Alvefur <zash@zash.se>
parents: 1365
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10 if count(next, sessions[session.username].sessions) > max_resources then
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ecc948f8d47d mod_c2s_limit_sessions: Limit number of resources a user may connect
Kim Alvefur <zash@zash.se>
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11 session:close{ condition = "policy-violation", text = "Too many resources" };
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12 return false
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13 end
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14 end, -1);