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Add message size limit #20

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Add message size limit #20

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6 changes: 6 additions & 0 deletions core/mist.go
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ type (
replicators map[uint32]*localSubscriber
internal map[uint32]*localSubscriber
next uint32
size_limit uint32
}

// A Message contains the tags used when subscribing, and the data that is being
Expand All @@ -51,6 +52,7 @@ func New() *Mist {
subscribers: make(map[uint32]*localSubscriber),
replicators: make(map[uint32]*localSubscriber),
internal: make(map[uint32]*localSubscriber),
size_limit: 0,
}
}

Expand All @@ -63,6 +65,10 @@ func (mist *Mist) Publish(tags []string, data string) error {
return nil
}

if mist.size_limit != 0 && uint32(len(data)) > mist.size_limit {
return nil
}

message := Message{
Tags: tags,
Data: data,
Expand Down