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shorten the cached batch ID for multilines

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This commit is contained in:
Shivaram Lingamneni 2020-12-15 04:11:30 -05:00
parent 94df158c90
commit be31d33dc4
1 changed files with 5 additions and 2 deletions
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7
irc/message_cache.go
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@ -154,8 +154,11 @@ func (m *MessageCache) InitializeSplitMessage(server *Server, nickmask, accountN
} }
// we need to send the same batch ID to all recipient sessions; // we need to send the same batch ID to all recipient sessions;
// use a uuidv4-alike to ensure that it won't collide // ensure it doesn't collide. a half-sized token has 64 bits of entropy,
batch := composeMultilineBatch(utils.GenerateSecretToken(), nickmask, accountName, tags, command, target, message) // so a collision isn't expected until there are on the order of 2**32
// concurrent batches being relayed:
batchID := utils.GenerateSecretToken()[:utils.SecretTokenLength/2]
batch := composeMultilineBatch(batchID, nickmask, accountName, tags, command, target, message)
m.fullTagsMultiline = make([][]byte, len(batch)) m.fullTagsMultiline = make([][]byte, len(batch))
for i, msg := range batch { for i, msg := range batch {
if forceTrailing { if forceTrailing {