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Sequences add pointer to high-level data. Proper mapping of sequences to information requests.

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This commit is contained in:
Kleissner
2021-04-21 03:27:03 +02:00
parent e432696ad1
commit ec809029d8
8 changed files with 120 additions and 89 deletions
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19
Message Encoding.go
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@@ -67,6 +67,7 @@ type MessageRaw struct {
PacketRaw
SenderPublicKey *btcec.PublicKey // Sender Public Key, ECDSA (secp256k1) 257-bit
connection *Connection // Connection that received the packet
sequence *sequenceExpiry // Sequence
}
// MessageAnnouncement is the decoded announcement message.
@@ -455,10 +456,10 @@ func selfFeatureSupport() (feature byte) {
// announcementPacket contains information about a single announcement message
type announcementPacket struct {
raw []byte // The raw packet
hashes [][]byte // List of hashes that are being searched for
sequence uint32 // Sequence number once sent
err error // Sending error, if any
raw []byte // The raw packet
hashes [][]byte // List of hashes that are being searched for
sequence *sequenceExpiry // Sequence
err error // Sending error, if any
}
// msgEncodeAnnouncement encodes an announcement message. It may return multiple messages if the input does not fit into one.
@@ -761,7 +762,7 @@ createPacketLoop:
// pingConnection sends a ping to the target peer via the specified connection
func (peer *PeerInfo) pingConnection(connection *Connection) {
err := peer.sendConnection(&PacketRaw{Command: CommandPing, Sequence: peer.msgNewSequence()}, connection)
err := peer.sendConnection(&PacketRaw{Command: CommandPing, Sequence: peer.msgNewSequence(nil).sequence}, connection)
connection.LastPingOut = time.Now()
if (connection.Status == ConnectionActive || connection.Status == ConnectionRedundant) && IsNetworkErrorFatal(err) {
@@ -774,13 +775,13 @@ func (peer *PeerInfo) Chat(text string) {
peer.send(&PacketRaw{Command: CommandChat, Payload: []byte(text)})
}
// sendAnnouncement sends the announcement message
func (peer *PeerInfo) sendAnnouncement(sendUA, findSelf bool, findPeer []KeyHash, findValue []KeyHash, files []InfoStore) (packets []*announcementPacket) {
// sendAnnouncement sends the announcement message. It acquires a new sequence for each message.
func (peer *PeerInfo) sendAnnouncement(sendUA, findSelf bool, findPeer []KeyHash, findValue []KeyHash, files []InfoStore, sequenceData interface{}) (packets []*announcementPacket) {
packets = msgEncodeAnnouncement(sendUA, findSelf, findPeer, findValue, files)
for _, packet := range packets {
packet.sequence = peer.msgNewSequence()
packet.err = peer.send(&PacketRaw{Command: CommandAnnouncement, Payload: packet.raw, Sequence: packet.sequence})
packet.sequence = peer.msgNewSequence(sequenceData)
packet.err = peer.send(&PacketRaw{Command: CommandAnnouncement, Payload: packet.raw, Sequence: packet.sequence.sequence})
}
return