fixed #1373. Limit number of tunnels by 16

libi2pd/TunnelPool.cpp

@@ -29,6 +29,10 @@ namespace tunnel
 		m_NumInboundTunnels (numInboundTunnels), m_NumOutboundTunnels (numOutboundTunnels),
 		m_IsActive (true), m_CustomPeerSelector(nullptr)
 	{
+		if (m_NumInboundTunnels > TUNNEL_POOL_MAX_INBOUND_TUNNELS_QUANTITY) 
+			m_NumInboundTunnels = TUNNEL_POOL_MAX_INBOUND_TUNNELS_QUANTITY;
+		if (m_NumOutboundTunnels > TUNNEL_POOL_MAX_OUTBOUND_TUNNELS_QUANTITY) 
+			m_NumOutboundTunnels = TUNNEL_POOL_MAX_OUTBOUND_TUNNELS_QUANTITY;	
 		m_NextManageTime = i2p::util::GetSecondsSinceEpoch () + rand () % TUNNEL_POOL_MANAGE_INTERVAL;
 	}
 

libi2pd/TunnelPool.h

@@ -28,6 +28,8 @@ namespace i2p
 namespace tunnel
 {
 	const int TUNNEL_POOL_MANAGE_INTERVAL = 10; // in seconds
+	const int TUNNEL_POOL_MAX_INBOUND_TUNNELS_QUANTITY = 16;
+	const int TUNNEL_POOL_MAX_OUTBOUND_TUNNELS_QUANTITY = 16;
 	
 	class Tunnel;
 	class InboundTunnel;