memory pool for SSU packets

SSU.cpp

@@ -187,14 +187,14 @@ namespace transport
 
 	void SSUServer::Receive ()
 	{
-		SSUPacket * packet = new SSUPacket ();
+		SSUPacket * packet = m_Packets.AcquireMt ();
 		m_Socket.async_receive_from (boost::asio::buffer (packet->buf, SSU_MTU_V4), packet->from,
 			std::bind (&SSUServer::HandleReceivedFrom, this, std::placeholders::_1, std::placeholders::_2, packet)); 
 	}
 
 	void SSUServer::ReceiveV6 ()
 	{
-		SSUPacket * packet = new SSUPacket ();
+		SSUPacket * packet = m_Packets.AcquireMt ();
 		m_SocketV6.async_receive_from (boost::asio::buffer (packet->buf, SSU_MTU_V6), packet->from,
 			std::bind (&SSUServer::HandleReceivedFromV6, this, std::placeholders::_1, std::placeholders::_2, packet)); 
 	}	
@@ -213,7 +213,7 @@ namespace transport
 			{	
 				while (moreBytes && packets.size () < 25)
 				{
-					packet = new SSUPacket ();
+					packet = m_Packets.AcquireMt ();
 					packet->len = m_Socket.receive_from (boost::asio::buffer (packet->buf, SSU_MTU_V4), packet->from, 0, ec);
 					if (!ec)
 					{	
@@ -224,7 +224,7 @@ namespace transport
 					else
 					{
 						LogPrint (eLogError, "SSU: receive_from error: ", ec.message ());
-						delete packet;
+						m_Packets.ReleaseMt (packet);
 						break;
 					}	
 				}
@@ -260,7 +260,7 @@ namespace transport
 			{
 				while (moreBytes && packets.size () < 25)
 				{
-					packet = new SSUPacket ();
+					packet = m_Packets.AcquireMt ();
 					packet->len = m_SocketV6.receive_from (boost::asio::buffer (packet->buf, SSU_MTU_V6), packet->from, 0, ec);
 					if (!ec)
 					{
@@ -271,7 +271,7 @@ namespace transport
 					else
 					{
 						LogPrint (eLogError, "SSU: v6 receive_from error: ", ec.message ());
-						delete packet;
+						m_Packets.ReleaseMt (packet);
 						break;
 					}	
 				}
@@ -282,7 +282,7 @@ namespace transport
 		}
 		else
 		{	
-			delete packet;
+			m_Packets.ReleaseMt (packet);
 			if (ecode != boost::asio::error::operation_aborted)
 			{
 				LogPrint (eLogError, "SSU: v6 receive error: ", ecode.message ());
@@ -323,8 +323,8 @@ namespace transport
 				if (session) session->FlushData ();
 				session = nullptr;
 			}	
-			delete packet;
 		}
+		m_Packets.ReleaseMt (packets);
 		if (session) session->FlushData ();
 	}
 

SSU.h

@@ -15,6 +15,7 @@
 #include "RouterInfo.h"
 #include "I2NPProtocol.h"
 #include "SSUSession.h"
+#include "util.h" // for MemoryPool
 
 namespace i2p
 {
@@ -122,6 +123,7 @@ namespace transport
 			std::map<boost::asio::ip::udp::endpoint, std::shared_ptr<SSUSession> > m_Sessions, m_SessionsV6;
 			std::map<uint32_t, std::shared_ptr<SSUSession> > m_Relays; // we are introducer
 			std::map<uint32_t, PeerTest> m_PeerTests; // nonce -> creation time in milliseconds
+			i2p::util::MemoryPoolMt<SSUPacket> m_Packets;
 			
 		public:
 			// for HTTP only