diff --git a/internal/messagequeue/messagequeue.go b/internal/messagequeue/messagequeue.go index ca6f7c3b..4b3f090d 100644 --- a/internal/messagequeue/messagequeue.go +++ b/internal/messagequeue/messagequeue.go @@ -551,19 +551,18 @@ func (mq *MessageQueue) extractOutgoingMessage(supportsHave bool) (bsmsg.BitSwap // Size of the message so far msgSize := 0 - // Add each broadcast want-have to the message - for i := 0; i < len(bcstEntries) && msgSize < mq.maxMessageSize; i++ { - // Broadcast wants are sent as want-have - wantType := pb.Message_Wantlist_Have + // Always prioritize cancels, then targeted, then broadcast. - // If the remote peer doesn't support HAVE / DONT_HAVE messages, - // send a want-block instead - if !supportsHave { - wantType = pb.Message_Wantlist_Block - } + // Add each cancel to the message + cancels := mq.cancels.Keys() + for i := 0; i < len(cancels) && msgSize < mq.maxMessageSize; i++ { + c := cancels[i] - e := bcstEntries[i] - msgSize += mq.msg.AddEntry(e.Cid, e.Priority, wantType, false) + msgSize += mq.msg.Cancel(c) + + // Clear the cancel - we make a best effort to let peers know about + // cancels but won't save them to resend if there's a failure. + mq.cancels.Remove(c) } // Add each regular want-have / want-block to the message @@ -578,16 +577,19 @@ func (mq *MessageQueue) extractOutgoingMessage(supportsHave bool) (bsmsg.BitSwap } } - // Add each cancel to the message - cancels := mq.cancels.Keys() - for i := 0; i < len(cancels) && msgSize < mq.maxMessageSize; i++ { - c := cancels[i] + // Add each broadcast want-have to the message + for i := 0; i < len(bcstEntries) && msgSize < mq.maxMessageSize; i++ { + // Broadcast wants are sent as want-have + wantType := pb.Message_Wantlist_Have - msgSize += mq.msg.Cancel(c) + // If the remote peer doesn't support HAVE / DONT_HAVE messages, + // send a want-block instead + if !supportsHave { + wantType = pb.Message_Wantlist_Block + } - // Clear the cancel - we make a best effort to let peers know about - // cancels but won't save them to resend if there's a failure. - mq.cancels.Remove(c) + e := bcstEntries[i] + msgSize += mq.msg.AddEntry(e.Cid, e.Priority, wantType, false) } // Called when the message has been successfully sent.