mixandClaude Opus 5.5
ac985d03a8
Following the design commit df96690.
- Two columns (owner, 2026-10-14): sender_check_days.messages (migration
0009, not deployed) holds the messages deferred mid-message, from
cleanup's warning; deferred stays the connections smtpd turned away.
AddSenderCheckDeferred takes which; the counter passes cleanup's as a
message. The card has "Connections turned away" and "Messages deferred";
it warns on either within 24 hours (one mark, as before).
- Supervisord silent at start: postfixStarted asks again every 2 s for 30 s
(postfixState: started, running, known). With no answer the downtime is
the time since the alive mark - an upper bound - booked with estimated = 1
(sender_check_days.estimated, MAX over a day); the card prefixes such a
period's time with "≈ " and its note says what ≈ means. Before, such a
start counted nothing and the number the owner decides by read low.
- Help topic sender-check and the log topic word for word as the mockup
(help.go).
Tests: store (connections and messages apart, a period with an estimated
day); logtail (cleanup's warnings are messages); cmd/panel (supervisord
silent: the time since the mark, estimated); view fixture and the Health
page at four columns with ≈; e2e reads the row's two counts (panel down:
connections; panel hung: messages). Schema at 0009 with the columns.
schema-migrations row 9, CHANGELOG [Unreleased], audit plan lines ticked
(two), roadmap 28/62.
Evidence: go vet ./... clean; go test of store, view, cmd/panel ok locally,
logtail but for the Windows-only test; the server run follows before the
push.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
167 lines
9.3 KiB
Go
167 lines
9.3 KiB
Go
package logtail
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import (
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"testing"
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"time"
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)
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type deferredStore struct {
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days map[string]int64 // connections turned away
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msgs map[string]int64 // messages deferred in the middle
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last time.Time
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place string
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}
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func (d *deferredStore) SenderCheckDeferredAt() (time.Time, error) { return d.last, nil }
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func (d *deferredStore) SenderCheckCountedPlace() (string, error) { return d.place, nil }
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func (d *deferredStore) AddSenderCheckDeferred(at time.Time, n int64, place string, message bool) error {
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d.place = place
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if d.days == nil {
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d.days, d.msgs = make(map[string]int64), make(map[string]int64)
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}
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if message {
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d.msgs[at.UTC().Format("2006-01-02")] += n
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} else {
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d.days[at.UTC().Format("2006-01-02")] += n
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}
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if at.After(d.last) {
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d.last = at
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}
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return nil
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}
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// The lines of process 1183 and of cleanup are as the e2e stand wrote them
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// with the panel stopped and for a refused From: (2026-10-12), and with the
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// panel frozen in the middle of a message (cleanup 1339, 2026-10-14); the
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// stamps are put in ISO form. Around them are the lines of two other things
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// that use the same words - a level-2 refusal of the journal milter, OpenDKIM
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// not answering.
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func TestDeferredCounter(t *testing.T) {
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st := &deferredStore{}
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c := newDeferredCounter(&SenderCheck{Store: st, Socket: "/run/selfpost/sender.sock"})
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now := time.Date(2026, 10, 12, 18, 0, 0, 0, time.UTC)
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for _, line := range []string{
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// The journal milter's own temporary refusal: no warning, not counted.
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`2026-10-12T16:22:13.100000+00:00 mail postfix/smtpd[1149]: connect from unknown[10.77.0.1]`,
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`2026-10-12T16:22:13.200000+00:00 mail postfix/smtpd[1149]: NOQUEUE: milter-reject: MAIL from unknown[10.77.0.1]: 451 4.7.1 Service unavailable - try again later; from=<billing@sender.e2e.test> proto=ESMTP helo=<e2e-client.e2e.test> sasl_username=<l2app>`,
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// The check does not answer: one connection, counted once.
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`2026-10-12T16:22:57.000000+00:00 mail postfix/smtpd[1183]: connect from unknown[10.77.0.1]`,
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`2026-10-12T16:22:57.100000+00:00 mail postfix/smtpd[1183]: warning: connect to Milter service unix:/run/selfpost/sender.sock: No such file or directory`,
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`2026-10-12T16:22:57.200000+00:00 mail postfix/smtpd[1183]: NOQUEUE: milter-reject: CONNECT from unknown[10.77.0.1]: 451 4.7.1 Service unavailable - try again later; proto=SMTP`,
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`2026-10-12T16:22:57.300000+00:00 mail postfix/smtpd[1183]: NOQUEUE: milter-reject: EHLO from unknown[10.77.0.1]: 451 4.7.1 Service unavailable - try again later; proto=SMTP helo=<e2e-client.e2e.test>`,
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`2026-10-12T16:22:57.400000+00:00 mail postfix/smtpd[1183]: disconnect from unknown[10.77.0.1] ehlo=1 auth=0/1 quit=1 commands=2/3`,
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// The same process takes another client, and the check answers again:
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// a level-2 refusal there is not the check's.
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`2026-10-12T16:23:30.000000+00:00 mail postfix/smtpd[1183]: connect from unknown[10.77.0.1]`,
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`2026-10-12T16:23:30.100000+00:00 mail postfix/smtpd[1183]: NOQUEUE: milter-reject: MAIL from unknown[10.77.0.1]: 451 4.7.1 Service unavailable - try again later; from=<a@sender.e2e.test> proto=ESMTP helo=<x>`,
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// A client that writes the socket's name where Postfix will quote it
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// in a warning, and then runs into a level-2 refusal: not counted.
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`2026-10-12T16:23:40.000000+00:00 mail postfix/smtpd[1190]: connect from unknown[10.77.0.1]`,
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`2026-10-12T16:23:40.100000+00:00 mail postfix/smtpd[1190]: warning: Illegal address syntax from unknown[10.77.0.1] in MAIL command: <warning: connect to Milter service unix:/run/selfpost/sender.sock: milter>`,
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`2026-10-12T16:23:40.200000+00:00 mail postfix/smtpd[1190]: NOQUEUE: milter-reject: MAIL from unknown[10.77.0.1]: 451 4.7.1 Service unavailable - try again later; from=<a@sender.e2e.test> proto=ESMTP helo=<x>`,
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// OpenDKIM does not answer: another socket, not counted.
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`2026-10-12T16:24:00.000000+00:00 mail postfix/smtpd[1201]: connect from unknown[10.77.0.1]`,
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`2026-10-12T16:24:00.100000+00:00 mail postfix/smtpd[1201]: warning: connect to Milter service unix:/run/opendkim/opendkim.sock: Connection refused`,
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`2026-10-12T16:24:00.200000+00:00 mail postfix/smtpd[1201]: NOQUEUE: milter-reject: CONNECT from unknown[10.77.0.1]: 451 4.7.1 Service unavailable - try again later; proto=SMTP`,
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// The check stops answering in the middle of a message, the next day:
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// cleanup meets it. Two messages through the same cleanup process are
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// two messages.
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`2026-10-13T00:00:05.000000+00:00 mail postfix/smtpd[1300]: connect from unknown[10.77.0.1]`,
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`2026-10-13T00:00:35.000000+00:00 mail postfix/cleanup[1339]: warning: milter unix:/run/selfpost/sender.sock: can't read SMFIC_HEADER reply packet header: Connection timed out`,
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`2026-10-13T00:00:35.100000+00:00 mail postfix/cleanup[1339]: 7BCAF3C75DA0: milter-reject: END-OF-MESSAGE from unknown[10.77.0.1]: 4.7.1 Service unavailable - try again later; from=<alerts@sender.e2e.test> to=<rcpt@sink.e2e.test> proto=ESMTP helo=<e2e-client.e2e.test>`,
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`2026-10-13T00:01:20.000000+00:00 mail postfix/cleanup[1339]: warning: milter unix:/run/selfpost/sender.sock: can't read SMFIC_HEADER reply packet header: Connection timed out`,
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`2026-10-13T00:01:20.100000+00:00 mail postfix/cleanup[1339]: 8C1D43C75DA0: milter-reject: END-OF-MESSAGE from unknown[10.77.0.1]: 4.7.1 Service unavailable - try again later; from=<alerts@sender.e2e.test> to=<rcpt@sink.e2e.test> proto=ESMTP helo=<e2e-client.e2e.test>`,
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// OpenDKIM hung in the middle of a message: another socket.
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`2026-10-13T00:01:30.000000+00:00 mail postfix/cleanup[1339]: warning: milter unix:/run/opendkim/opendkim.sock: can't read SMFIC_HEADER reply packet header: Connection timed out`,
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// The check's own verdict is a refusal, not a deferral, and it is
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// cleanup that writes it.
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`2026-10-13T00:01:00.000000+00:00 mail postfix/cleanup[1195]: B6B484831946: milter-reject: END-OF-MESSAGE from unknown[10.77.0.1]: 5.7.1 From: director@other.e2e.test - not an address this application sends as; from=<alerts@sender.e2e.test> to=<rcpt@sink.e2e.test> proto=ESMTP helo=<x>`,
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} {
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c.handle(line, now, false, Place{})
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}
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if st.days["2026-10-12"] != 1 || st.days["2026-10-13"] != 0 || st.msgs["2026-10-13"] != 2 || len(st.msgs) != 1 {
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t.Fatalf("connections %v, messages %v; want one connection on the first day and two messages on the second", st.days, st.msgs)
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}
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}
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// After an unclean stop the tailer reads again some lines it had read. What
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// was counted then is not counted now; what was written while the panel was
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// down - the very lines this count exists for - is.
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func TestDeferredCounterDoesNotCountALogReadAgain(t *testing.T) {
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st := &deferredStore{}
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now := time.Date(2026, 10, 12, 18, 0, 0, 0, time.UTC)
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outage := func(pid, at string) []string {
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return []string{
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at + `0+00:00 mail postfix/smtpd[` + pid + `]: connect from unknown[10.77.0.1]`,
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at + `1+00:00 mail postfix/smtpd[` + pid + `]: warning: connect to Milter service unix:/run/selfpost/sender.sock: Connection refused`,
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}
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}
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first := append(outage("11", "2026-10-12T16:00:00.00000"), outage("12", "2026-10-12T16:00:05.00000")...)
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c := newDeferredCounter(&SenderCheck{Store: st, Socket: "/run/selfpost/sender.sock"})
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for _, line := range first {
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c.handle(line, now, false, Place{})
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}
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if st.days["2026-10-12"] != 2 {
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t.Fatalf("first run counted %d, want 2", st.days["2026-10-12"])
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}
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// A new run: the same lines again, then what the outage added.
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c = newDeferredCounter(&SenderCheck{Store: st, Socket: "/run/selfpost/sender.sock"})
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for _, line := range append(first, outage("13", "2026-10-12T16:00:09.00000")...) {
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c.handle(line, now, true, Place{})
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}
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if st.days["2026-10-12"] != 3 {
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t.Fatalf("after the restart the day has %d, want 3", st.days["2026-10-12"])
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}
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}
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// Two warnings of the same second, the panel stopped uncleanly between them:
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// the next start reads both again, and the place of the first - not its
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// second - tells them apart. Each is counted once (audit 2026-10-12, stage
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// 2b; a time alone passed the second over).
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func TestDeferredCounterRemembersAPlaceNotASecond(t *testing.T) {
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st := &deferredStore{}
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now := time.Date(2026, 10, 12, 18, 0, 0, 0, time.UTC)
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lines := []string{
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`2026-10-12T16:00:00+00:00 mail postfix/smtpd[11]: connect from unknown[10.77.0.1]`,
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`2026-10-12T16:00:01+00:00 mail postfix/smtpd[11]: warning: connect to Milter service unix:/run/selfpost/sender.sock: Connection refused`,
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`2026-10-12T16:00:01+00:00 mail postfix/smtpd[12]: connect from unknown[10.77.0.1]`,
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`2026-10-12T16:00:01+00:00 mail postfix/smtpd[12]: warning: connect to Milter service unix:/run/selfpost/sender.sock: Connection refused`,
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}
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// The place each line ends at, in one file.
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places := make([]Place, len(lines))
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end := int64(0)
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for i, l := range lines {
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end += int64(len(l)) + 1
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places[i] = Place{FP: "abc:1.2", End: end}
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}
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c := newDeferredCounter(&SenderCheck{Store: st, Socket: "/run/selfpost/sender.sock"})
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for i := 0; i < 2; i++ { // stopped after the first warning
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c.handle(lines[i], now, false, places[i])
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}
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if st.days["2026-10-12"] != 1 {
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t.Fatalf("before the stop: %d, want 1", st.days["2026-10-12"])
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}
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// Started again: the saved offset was from before the stop, so all four
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// lines are read again.
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c = newDeferredCounter(&SenderCheck{Store: st, Socket: "/run/selfpost/sender.sock"})
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for i, l := range lines {
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c.handle(l, now, true, places[i])
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}
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if st.days["2026-10-12"] != 2 {
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t.Fatalf("after the restart the day has %d, want 2", st.days["2026-10-12"])
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}
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}
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