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docs(bitswap:notifications) Subscribe

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This commit is contained in:
Brian Tiger Chow
2014-09-12 02:46:38 -07:00
parent b1155a0bb6
commit cc163a955d
1 changed files with 3 additions and 2 deletions
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5
bitswap/notifications.go
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@ -22,8 +22,9 @@ func (ps *notifications) Publish(block *blocks.Block) {
ps.wrapped.Pub(block, topic) ps.wrapped.Pub(block, topic)
} }
// Sub returns a one-time use |blockChannel|. |blockChannel| returns nil if the // Subscribe returns a one-time use |blockChannel|. |blockChannel| returns nil
// |ctx| times out or is cancelled // if the |ctx| times out or is cancelled. Then channel is closed after the
// block given by |k| is sent.
func (ps *notifications) Subscribe(ctx context.Context, k u.Key) <-chan *blocks.Block { func (ps *notifications) Subscribe(ctx context.Context, k u.Key) <-chan *blocks.Block {
topic := string(k) topic := string(k)
subChan := ps.wrapped.SubOnce(topic) subChan := ps.wrapped.SubOnce(topic)