net: expose transport types/session IDs of connections in RPC and logs

Co-authored-by: Dhruv Mehta <856960+dhruv@users.noreply.github.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/src/net.h b/src/net.h
index 297e408320..2f7b832fba 100644
--- a/src/net.h
+++ b/src/net.h
@@ -232,6 +232,10 @@ public:
     Network m_network;
     uint32_t m_mapped_as;
     ConnectionType m_conn_type;
+    /** Transport protocol type. */
+    TransportProtocolType m_transport_type;
+    /** BIP324 session id string in hex, if any. */
+    std::string m_session_id;
 };
 
 
@@ -268,6 +272,15 @@ class Transport {
 public:
     virtual ~Transport() {}
 
+    struct Info
+    {
+        TransportProtocolType transport_type;
+        std::optional<uint256> session_id;
+    };
+
+    /** Retrieve information about this transport. */
+    virtual Info GetInfo() const noexcept = 0;
+
     // 1. Receiver side functions, for decoding bytes received on the wire into transport protocol
     // agnostic CNetMessage (message type & payload) objects.
 
@@ -426,6 +439,8 @@ public:
         return WITH_LOCK(m_recv_mutex, return CompleteInternal());
     }
 
+    Info GetInfo() const noexcept override;
+
     bool ReceivedBytes(Span<const uint8_t>& msg_bytes) override EXCLUSIVE_LOCKS_REQUIRED(!m_recv_mutex)
     {
         AssertLockNotHeld(m_recv_mutex);
@@ -664,6 +679,7 @@ public:
 
     // Miscellaneous functions.
     bool ShouldReconnectV1() const noexcept override EXCLUSIVE_LOCKS_REQUIRED(!m_recv_mutex, !m_send_mutex);
+    Info GetInfo() const noexcept override EXCLUSIVE_LOCKS_REQUIRED(!m_recv_mutex);
 };
 
 struct CNodeOptions