157-socket-keepalive-hup.t

# vim:set ft= ts=4 sw=4 et fdm=marker:

our $SkipReason;

BEGIN {
    if ($ENV{TEST_NGINX_CHECK_LEAK}) {
        $SkipReason = "unavailable for the hup tests";

    } else {
        $ENV{TEST_NGINX_USE_HUP} = 1;
        undef $ENV{TEST_NGINX_USE_STAP};
    }
}

use Test::Nginx::Socket::Lua $SkipReason ? (skip_all => $SkipReason) : ();

repeat_each(2);

plan tests => repeat_each() * (blocks() * 8);

#no_diff();
no_long_string();

worker_connections(1024);
run_tests();

__DATA__

=== TEST 1: exiting
--- config
    location /t {
        set $port $TEST_NGINX_SERVER_PORT;

        content_by_lua_block {
            local f, err = io.open("$TEST_NGINX_SERVER_ROOT/logs/nginx.pid", "r")
            if not f then
                ngx.say("failed to open nginx.pid: ", err)
                return
            end

            local pid = f:read()
            -- ngx.say("master pid: [", pid, "]")

            f:close()

            local i = 0
            local port = ngx.var.port

            local function f(premature)
                print("timer prematurely expired: ", premature)

                local sock = ngx.socket.tcp()

                local ok, err = sock:connect("127.0.0.1", port)
                if not ok then
                    print("failed to connect: ", err)
                    return
                end

                local ok, err = sock:setkeepalive()
                if not ok then
                    print("failed to setkeepalive: ", err)
                    return
                end

                print("setkeepalive successfully")
            end
            local ok, err = ngx.timer.at(3, f)
            if not ok then
                ngx.say("failed to set timer: ", err)
                return
            end
            ngx.say("registered timer")
            os.execute("kill -HUP " .. pid)
        }
    }
--- request
GET /t

--- response_body
registered timer

--- wait: 0.3
--- no_error_log
[error]
[alert]
[crit]
--- error_log
timer prematurely expired: true
setkeepalive successfully
lua tcp socket set keepalive while process exiting, closing connection