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Store last internal msg ID in DB when detaching 

References: https://todo.sr.ht/~emersion/soju/98
This commit is contained in:
Simon Ser 2021-04-13 18:15:30 +02:00
parent 45e2c0023a
commit 424f676254
2 changed files with 37 additions and 18 deletions
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29
db.go
View File

@ -109,10 +109,12 @@ func parseFilter(filter string) (MessageFilter, error) {
}
type Channel struct {
ID int64
Name string
Key string
Detached bool
ID int64
Name string
Key string
Detached bool
DetachedInternalMsgID string
RelayDetached MessageFilter
ReattachOn MessageFilter
@ -161,6 +163,7 @@ CREATE TABLE Channel (
name VARCHAR(255) NOT NULL,
key VARCHAR(255),
detached INTEGER NOT NULL DEFAULT 0,
detached_internal_msgid VARCHAR(255),
relay_detached INTEGER NOT NULL DEFAULT 0,
reattach_on INTEGER NOT NULL DEFAULT 0,
detach_after INTEGER NOT NULL DEFAULT 0,
@ -245,6 +248,7 @@ var migrations = []string{
UNIQUE(network, target, client)
);
`,
"ALTER TABLE Channel ADD COLUMN detached_internal_msgid VARCHAR(255)",
}
type DB struct {
@ -546,7 +550,9 @@ func (db *DB) ListChannels(networkID int64) ([]Channel, error) {
db.lock.RLock()
defer db.lock.RUnlock()
rows, err := db.db.Query(`SELECT id, name, key, detached, relay_detached, reattach_on, detach_after, detach_on
rows, err := db.db.Query(`SELECT
id, name, key, detached, detached_internal_msgid,
relay_detached, reattach_on, detach_after, detach_on
FROM Channel
WHERE network = ?`, networkID)
if err != nil {
@ -557,12 +563,13 @@ func (db *DB) ListChannels(networkID int64) ([]Channel, error) {
var channels []Channel
for rows.Next() {
var ch Channel
var key sql.NullString
var key, detachedInternalMsgID sql.NullString
var detachAfter int64
if err := rows.Scan(&ch.ID, &ch.Name, &key, &ch.Detached, &ch.RelayDetached, &ch.ReattachOn, &detachAfter, &ch.DetachOn); err != nil {
if err := rows.Scan(&ch.ID, &ch.Name, &key, &ch.Detached, &detachedInternalMsgID, &ch.RelayDetached, &ch.ReattachOn, &detachAfter, &ch.DetachOn); err != nil {
return nil, err
}
ch.Key = key.String
ch.DetachedInternalMsgID = detachedInternalMsgID.String
ch.DetachAfter = time.Duration(detachAfter) * time.Second
channels = append(channels, ch)
}
@ -583,14 +590,14 @@ func (db *DB) StoreChannel(networkID int64, ch *Channel) error {
var err error
if ch.ID != 0 {
_, err = db.db.Exec(`UPDATE Channel
SET network = ?, name = ?, key = ?, detached = ?, relay_detached = ?, reattach_on = ?, detach_after = ?, detach_on = ?
SET network = ?, name = ?, key = ?, detached = ?, detached_internal_msgid = ?, relay_detached = ?, reattach_on = ?, detach_after = ?, detach_on = ?
WHERE id = ?`,
networkID, ch.Name, key, ch.Detached, ch.RelayDetached, ch.ReattachOn, detachAfter, ch.DetachOn, ch.ID)
networkID, ch.Name, key, ch.Detached, toNullString(ch.DetachedInternalMsgID), ch.RelayDetached, ch.ReattachOn, detachAfter, ch.DetachOn, ch.ID)
} else {
var res sql.Result
res, err = db.db.Exec(`INSERT INTO Channel(network, name, key, detached, relay_detached, reattach_on, detach_after, detach_on)
res, err = db.db.Exec(`INSERT INTO Channel(network, name, key, detached, detached_internal_msgid, relay_detached, reattach_on, detach_after, detach_on)
VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,
networkID, ch.Name, key, ch.Detached, ch.RelayDetached, ch.ReattachOn, detachAfter, ch.DetachOn)
networkID, ch.Name, key, ch.Detached, toNullString(ch.DetachedInternalMsgID), ch.RelayDetached, ch.ReattachOn, detachAfter, ch.DetachOn)
if err != nil {
return err
}

26
user.go
View File

@ -232,9 +232,20 @@ func (net *network) detach(ch *Channel) {
if ch.Detached {
return
}
ch.Detached = true
net.user.logger.Printf("network %q: detaching channel %q", net.GetName(), ch.Name)
ch.Detached = true
if net.user.msgStore != nil {
nameCM := net.casemap(ch.Name)
lastID, err := net.user.msgStore.LastMsgID(net, nameCM, time.Now())
if err != nil {
net.user.logger.Printf("failed to get last message ID for channel %q: %v", ch.Name, err)
}
ch.DetachedInternalMsgID = lastID
}
if net.conn != nil {
uch := net.conn.channels.Value(ch.Name)
if uch != nil {
@ -255,9 +266,13 @@ func (net *network) attach(ch *Channel) {
if !ch.Detached {
return
}
ch.Detached = false
net.user.logger.Printf("network %q: attaching channel %q", net.GetName(), ch.Name)
detachedMsgID := ch.DetachedInternalMsgID
ch.Detached = false
ch.DetachedInternalMsgID = ""
var uch *upstreamChannel
if net.conn != nil {
uch = net.conn.channels.Value(ch.Name)
@ -276,12 +291,9 @@ func (net *network) attach(ch *Channel) {
forwardChannel(dc, uch)
}
lastDelivered := net.delivered.LoadID(ch.Name, dc.clientName)
if lastDelivered == "" {
return
if detachedMsgID != "" {
dc.sendTargetBacklog(net, ch.Name, detachedMsgID)
}
dc.sendTargetBacklog(net, ch.Name, lastDelivered)
})
}