Merge pull request monero-project#8787

c4cfaa4 p2p: do not log to global when re-blocking a subnet (moneromooo-monero)
f0e326b p2p: avoid spam blocking ipv4 addresses in a blocked subnet (moneromooo-monero)

src/p2p/net_node.inl

@@ -247,7 +247,23 @@ namespace nodetool
     if (it == m_blocked_hosts.end())
     {
       m_blocked_hosts[host_str] = limit;
-      added = true;
+
+      // if the host was already blocked due to being in a blocked subnet, let it be silent
+      bool matches_blocked_subnet = false;
+      if (addr.get_type_id() == epee::net_utils::address_type::ipv4)
+      {
+        auto ipv4_address = addr.template as<epee::net_utils::ipv4_network_address>();
+        for (auto jt = m_blocked_subnets.begin(); jt != m_blocked_subnets.end(); ++jt)
+        {
+          if (jt->first.matches(ipv4_address))
+          {
+            matches_blocked_subnet = true;
+            break;
+          }
+        }
+      }
+      if (!matches_blocked_subnet)
+        added = true;
     }
     else if (it->second < limit || !add_only)
       it->second = limit;
@@ -317,6 +333,7 @@ namespace nodetool
       limit = std::numeric_limits<time_t>::max();
     else
       limit = now + seconds;
+    const bool added = m_blocked_subnets.find(subnet) == m_blocked_subnets.end();
     m_blocked_subnets[subnet] = limit;
 
     // drop any connection to that subnet. This should only have to look into
@@ -349,7 +366,10 @@ namespace nodetool
       conns.clear();
     }
 
-    MCLOG_CYAN(el::Level::Info, "global", "Subnet " << subnet.host_str() << " blocked.");
+    if (added)
+      MCLOG_CYAN(el::Level::Info, "global", "Subnet " << subnet.host_str() << " blocked.");
+    else
+      MINFO("Subnet " << subnet.host_str() << " blocked.");
     return true;
   }
   //-----------------------------------------------------------------------------------