Avoid effective disconnect when ignoring data.

libp2p/Host.h

@@ -173,7 +173,7 @@ public:
 
 	Nodes nodes() const { RecursiveGuard l(x_peers); Nodes ret; for (auto const& i: m_nodes) ret.push_back(*i.second); return ret; }
 
-	void setNetworkPreferences(NetworkPreferences const& _p) { stop(); m_netPrefs = _p; start(); }
+	void setNetworkPreferences(NetworkPreferences const& _p) { auto had = isStarted(); if (had) stop(); m_netPrefs = _p; if (had) start(); }
 
 	void start();
 	void stop();

libp2p/Session.cpp

@@ -582,7 +582,7 @@ void Session::doRead()
 								// error - bad protocol
 								clogS(NetWarn) << "Couldn't interpret packet." << RLP(r);
 								// Just wasting our bandwidth - perhaps reduce rating?
-								return;
+								//return;
 							}
 						}
 						memmove(m_incoming.data(), m_incoming.data() + tlen, m_incoming.size() - tlen);

libwebthree/WebThree.cpp

@@ -65,6 +65,16 @@ WebThreeDirect::~WebThreeDirect()
 	m_ethereum.reset();
 }
 
+void WebThreeDirect::setNetworkPreferences(p2p::NetworkPreferences const& _n)
+{
+	auto had = haveNetwork();
+	if (had)
+		stopNetwork();
+	m_net.setNetworkPreferences(_n);
+	if (had)
+		startNetwork();
+}
+
 std::vector<PeerInfo> WebThreeDirect::peers()
 {
 	return m_net.peers();

libwebthree/WebThree.h

@@ -106,7 +106,7 @@ public:
 
 	bool haveNetwork() const { return m_net.isStarted(); }
 
-	void setNetworkPreferences(p2p::NetworkPreferences const& _n) { auto had = haveNetwork(); if (had) stopNetwork(); m_net.setNetworkPreferences(_n); if (had) startNetwork(); }
+	void setNetworkPreferences(p2p::NetworkPreferences const& _n);
 
 	p2p::NodeId id() const { return m_net.id(); }