test: add ConnmanTestMsg convenience method Reset()

src/test/fuzz/process_message.cpp

@@ -72,8 +72,7 @@ FUZZ_TARGET(process_message, .init = initialize_process_message)
 
     auto& node{g_setup->m_node};
     auto& connman{static_cast<ConnmanTestMsg&>(*node.connman)};
-    connman.ResetAddrCache();
+    connman.Reset();
-    connman.ResetMaxOutboundCycle();
     auto& chainman{static_cast<TestChainstateManager&>(*node.chainman)};
     const auto block_index_size{WITH_LOCK(chainman.GetMutex(), return chainman.BlockIndex().size())};
     SetMockTime(1610000000); // any time to successfully reset ibd

src/test/fuzz/process_messages.cpp

@@ -62,8 +62,7 @@ FUZZ_TARGET(process_messages, .init = initialize_process_messages)
 
     auto& node{g_setup->m_node};
     auto& connman{static_cast<ConnmanTestMsg&>(*node.connman)};
-    connman.ResetAddrCache();
+    connman.Reset();
-    connman.ResetMaxOutboundCycle();
     auto& chainman{static_cast<TestChainstateManager&>(*node.chainman)};
     const auto block_index_size{WITH_LOCK(chainman.GetMutex(), return chainman.BlockIndex().size())};
     SetMockTime(1610000000); // any time to successfully reset ibd

src/test/util/net.cpp

@@ -80,6 +80,12 @@ void ConnmanTestMsg::ResetMaxOutboundCycle()
     nMaxOutboundTotalBytesSentInCycle = 0;
 }
 
+void ConnmanTestMsg::Reset()
+{
+    ResetAddrCache();
+    ResetMaxOutboundCycle();
+}
+
 void ConnmanTestMsg::NodeReceiveMsgBytes(CNode& node, std::span<const uint8_t> msg_bytes, bool& complete) const
 {
     assert(node.ReceiveMsgBytes(msg_bytes, complete));

src/test/util/net.h

@@ -49,6 +49,8 @@ struct ConnmanTestMsg : public CConnman {
 
     void ResetAddrCache();
     void ResetMaxOutboundCycle();
+    /// Reset the internal state.
+    void Reset();
 
     std::vector<CNode*> TestNodes()
     {