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CHATHISTORY with no results SHOULD send an empty batch

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This commit is contained in:
Shivaram Lingamneni 2020-02-20 23:47:13 -05:00
parent 98a7b45d96
commit 03378da81b
4 changed files with 15 additions and 16 deletions
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7
irc/channel.go
View File

@ -944,7 +944,9 @@ func (channel *Channel) replayHistoryForResume(session *Session, after time.Time
items, complete, _ = seq.Between(afterS, beforeS, channel.server.Config().History.ZNCMax) items, complete, _ = seq.Between(afterS, beforeS, channel.server.Config().History.ZNCMax)
} }
rb := NewResponseBuffer(session) rb := NewResponseBuffer(session)
if len(items) != 0 {
channel.replayHistoryItems(rb, items, false) channel.replayHistoryItems(rb, items, false)
}
if !complete && !session.resumeDetails.HistoryIncomplete { if !complete && !session.resumeDetails.HistoryIncomplete {
// warn here if we didn't warn already // warn here if we didn't warn already
rb.Add(nil, histServMask, "NOTICE", channel.Name(), session.client.t("Some additional message history may have been lost")) rb.Add(nil, histServMask, "NOTICE", channel.Name(), session.client.t("Some additional message history may have been lost"))
@ -961,10 +963,7 @@ func stripMaskFromNick(nickMask string) (nick string) {
} }
func (channel *Channel) replayHistoryItems(rb *ResponseBuffer, items []history.Item, autoreplay bool) { func (channel *Channel) replayHistoryItems(rb *ResponseBuffer, items []history.Item, autoreplay bool) {
if len(items) == 0 { // send an empty batch if necessary, as per the CHATHISTORY spec
return
}
chname := channel.Name() chname := channel.Name()
client := rb.target client := rb.target
eventPlayback := rb.session.capabilities.Has(caps.EventPlayback) eventPlayback := rb.session.capabilities.Has(caps.EventPlayback)

4
irc/client.go
View File

@ -832,10 +832,12 @@ func (session *Session) playResume() {
if !timestamp.IsZero() && privmsgSeq != nil { if !timestamp.IsZero() && privmsgSeq != nil {
after := history.Selector{Time: timestamp} after := history.Selector{Time: timestamp}
items, complete, _ := privmsgSeq.Between(after, history.Selector{}, config.History.ZNCMax) items, complete, _ := privmsgSeq.Between(after, history.Selector{}, config.History.ZNCMax)
if len(items) != 0 {
rb := NewResponseBuffer(session) rb := NewResponseBuffer(session)
client.replayPrivmsgHistory(rb, items, "", complete) client.replayPrivmsgHistory(rb, items, "", complete)
rb.Send(true) rb.Send(true)
} }
}
session.resumeDetails = nil session.resumeDetails = nil
} }
@ -844,12 +846,10 @@ func (client *Client) replayPrivmsgHistory(rb *ResponseBuffer, items []history.I
var batchID string var batchID string
details := client.Details() details := client.Details()
nick := details.nick nick := details.nick
if 0 < len(items) {
if target == "" { if target == "" {
target = nick target = nick
} }
batchID = rb.StartNestedHistoryBatch(target) batchID = rb.StartNestedHistoryBatch(target)
}
allowTags := rb.session.capabilities.Has(caps.MessageTags) allowTags := rb.session.capabilities.Has(caps.MessageTags)
for _, item := range items { for _, item := range items {

4
irc/handlers.go
View File

@ -525,7 +525,7 @@ func chathistoryHandler(server *Server, client *Client, msg ircmsg.IrcMessage, r
var err error var err error
defer func() { defer func() {
// successful responses are sent as a chathistory or history batch // successful responses are sent as a chathistory or history batch
if err == nil && 0 < len(items) { if err == nil {
if channel != nil { if channel != nil {
channel.replayHistoryItems(rb, items, false) channel.replayHistoryItems(rb, items, false)
} else { } else {
@ -958,7 +958,7 @@ func historyHandler(server *Server, client *Client, msg ircmsg.IrcMessage, rb *R
items, _, err = sequence.Between(start, end, limit) items, _, err = sequence.Between(start, end, limit)
} }
if err == nil { if err == nil && len(items) != 0 {
if channel != nil { if channel != nil {
channel.replayHistoryItems(rb, items, false) channel.replayHistoryItems(rb, items, false)
} else { } else {

2
irc/znc.go
View File

@ -124,7 +124,7 @@ func zncPlayPrivmsgs(client *Client, rb *ResponseBuffer, after, before time.Time
} }
zncMax := client.server.Config().History.ZNCMax zncMax := client.server.Config().History.ZNCMax
items, _, err := sequence.Between(history.Selector{Time: after}, history.Selector{Time: before}, zncMax) items, _, err := sequence.Between(history.Selector{Time: after}, history.Selector{Time: before}, zncMax)
if err == nil { if err == nil && len(items) != 0 {
client.replayPrivmsgHistory(rb, items, "", true) client.replayPrivmsgHistory(rb, items, "", true)
} }
} }