Patrick Kelley 8fd444092b initial
2025-05-07 15:35:15 -04:00

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# @TEST-DOC: Check usage delay in when statements.
# @TEST-EXEC: zeek -B tm,logging -b -r $TRACES/http/get.trace test.zeek %INPUT
# @TEST-EXEC: TEST_DIFF_CANONIFIER= btest-diff .stdout
# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-remove-abspath btest-diff .stderr
# @TEST-EXEC: zeek-cut -m -F'|' < test.log > test.cut
# @TEST-EXEC: TEST_DIFF_CANONIFIER= btest-diff test.cut
# @TEST-START-FILE test.zeek
# Debug printing
global packet_count = 0;
event new_packet(c: connection, p: pkt_hdr)
{
++packet_count;
print network_time(), "new_packet", packet_count;
}
event Pcap::file_done(p: string)
{
print network_time(), "Pcap::file_done";
}
redef enum Log::ID += {
LOG
};
type Info: record {
ts: time &log;
write_ts: time &log &optional;
uid: string &log;
msg: string &log;
};
hook log_policy(rec: Info, id: Log::ID, filter: Log::Filter)
{
print network_time(), "log_policy", rec$uid;
rec$write_ts = network_time();
}
event zeek_init()
{
Log::create_stream(LOG, [$columns=Info, $path="test", $policy=log_policy]);
}
# @TEST-END-FILE test.zeek
hook Log::log_stream_policy(rec: Info, id: Log::ID)
{
if ( id != LOG )
return;
local now = network_time();
print now, "log_stream_policy", id, rec;
Log::delay(LOG, rec, function[now](rec2: Info, id2: Log::ID): bool {
local delayed_for = network_time() - now;
rec2$msg = fmt("%s delayed %s", rec2$msg, delayed_for);
print network_time(), "post_delay_cb", rec2;
return T;
});
}
event new_connection(c: connection)
{
print network_time(), "new_connection", c$uid;
# Using an anonymous record type with field reordering.
#
# This is quirky: Because internally this record is coerced
# very early on, the hooks and delay pipeline work with a different
# record val ptr. So an update of this record is not visible!
local info = [$msg="initial-value", $ts=network_time(), $uid=c$uid];
Log::write(LOG, info);
# Not visible after delay due to record coercion.
print network_time(), "Updating info$msg after write!";
info$msg = "after-write";
}