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Merge #16562: Refactor message transport packaging

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16d6113f4f Refactor message transport packaging (Jonas Schnelli)

Pull request description:

  This PR factors out transport packaging logic from `CConnman::PushMessage()`.
  It's similar to #16202 (where we refactor deserialization).

  This allows implementing a new message transport protocol like BIP324.

ACKs for top commit:
  dongcarl:
    ACK 16d6113f4f FWIW
  ariard:
    Code review ACK 16d6113
  elichai:
    semiACK 16d6113f4f ran functional+unit tests.
  MarcoFalke:
    ACK 16d6113f4f 🙎

Tree-SHA512: 8c2f8ab9f52e9b94327973ae15019a08109d5d9f9247492703a842827c5b5d634fc0411759e0bb316d824c586614b0220c2006410851933613bc143e58f7e6c1
This commit is contained in:
MarcoFalke
2020-02-28 17:01:53 -05:00
parent 1a51cd1ac5 16d6113f4f
commit eca4d8ef6a
2 changed files with 32 additions and 7 deletions
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15
src/net.h
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@@ -703,12 +703,27 @@ public:
CNetMessage GetMessage(const CMessageHeader::MessageStartChars& message_start, int64_t time) override;
};
/** The TransportSerializer prepares messages for the network transport
*/
class TransportSerializer {
public:
// prepare message for transport (header construction, error-correction computation, payload encryption, etc.)
virtual void prepareForTransport(CSerializedNetMsg& msg, std::vector<unsigned char>& header) = 0;
virtual ~TransportSerializer() {}
};
class V1TransportSerializer : public TransportSerializer {
public:
void prepareForTransport(CSerializedNetMsg& msg, std::vector<unsigned char>& header) override;
};
/** Information about a peer */
class CNode
{
friend class CConnman;
public:
std::unique_ptr<TransportDeserializer> m_deserializer;
std::unique_ptr<TransportSerializer> m_serializer;
// socket
std::atomic<ServiceFlags> nServices{NODE_NONE};