PurpleI2P
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i2pd
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always use shared_ptr for I2NPMessage

pull/304/head
orignal 9 years ago
parent
885d57138a
commit
06c4aca490
12 changed files with 63 additions and 84 deletions
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  1. 16
      Datagram.cpp
  2. 6
      Datagram.h
  3. 2
      Garlic.cpp
  4. 83
      I2NPProtocol.cpp
  5. 18
      I2NPProtocol.h
  6. 2
      NTCPSession.cpp
  7. 2
      NetDb.cpp
  8. 4
      SSUData.cpp
  9. 2
      Streaming.cpp
  10. 4
      Tunnel.cpp
  11. 6
      TunnelEndpoint.cpp
  12. 2
      TunnelGateway.cpp

16
Datagram.cpp
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@ -48,15 +48,13 @@ namespace datagram
m_Owner->RequestDestination (ident, std::bind (&DatagramDestination::HandleLeaseSetRequestComplete, this, std::placeholders::_1, msg)); m_Owner->RequestDestination (ident, std::bind (&DatagramDestination::HandleLeaseSetRequestComplete, this, std::placeholders::_1, msg));
} }
void DatagramDestination::HandleLeaseSetRequestComplete (std::shared_ptr<i2p::data::LeaseSet> remote, I2NPMessage * msg) void DatagramDestination::HandleLeaseSetRequestComplete (std::shared_ptr<i2p::data::LeaseSet> remote, std::shared_ptr<I2NPMessage> msg)
{ {
if (remote) if (remote)
SendMsg (msg, remote); SendMsg (msg, remote);
else
DeleteI2NPMessage (msg);
} }
void DatagramDestination::SendMsg (I2NPMessage * msg, std::shared_ptr<const i2p::data::LeaseSet> remote) void DatagramDestination::SendMsg (std::shared_ptr<I2NPMessage> msg, std::shared_ptr<const i2p::data::LeaseSet> remote)
{ {
auto outboundTunnel = m_Owner->GetTunnelPool ()->GetNextOutboundTunnel (); auto outboundTunnel = m_Owner->GetTunnelPool ()->GetNextOutboundTunnel ();
auto leases = remote->GetNonExpiredLeases (); auto leases = remote->GetNonExpiredLeases ();
@ -64,7 +62,7 @@ namespace datagram
{ {
std::vector<i2p::tunnel::TunnelMessageBlock> msgs; std::vector<i2p::tunnel::TunnelMessageBlock> msgs;
uint32_t i = rand () % leases.size (); uint32_t i = rand () % leases.size ();
auto garlic = m_Owner->WrapMessage (remote, ToSharedI2NPMessage (msg), true); auto garlic = m_Owner->WrapMessage (remote, msg, true);
msgs.push_back (i2p::tunnel::TunnelMessageBlock msgs.push_back (i2p::tunnel::TunnelMessageBlock
{ {
i2p::tunnel::eDeliveryTypeTunnel, i2p::tunnel::eDeliveryTypeTunnel,
@ -79,7 +77,6 @@ namespace datagram
LogPrint (eLogWarning, "Failed to send datagram. All leases expired"); LogPrint (eLogWarning, "Failed to send datagram. All leases expired");
else else
LogPrint (eLogWarning, "Failed to send datagram. No outbound tunnels"); LogPrint (eLogWarning, "Failed to send datagram. No outbound tunnels");
DeleteI2NPMessage (msg);
} }
} }
@ -123,9 +120,9 @@ namespace datagram
HandleDatagram (fromPort, toPort, uncompressed, uncompressedLen); HandleDatagram (fromPort, toPort, uncompressed, uncompressedLen);
} }
I2NPMessage * DatagramDestination::CreateDataMessage (const uint8_t * payload, size_t len, uint16_t fromPort, uint16_t toPort) std::shared_ptr<I2NPMessage> DatagramDestination::CreateDataMessage (const uint8_t * payload, size_t len, uint16_t fromPort, uint16_t toPort)
{ {
I2NPMessage * msg = NewI2NPMessage (); auto msg = NewI2NPMessage ();
uint8_t * buf = msg->GetPayload (); uint8_t * buf = msg->GetPayload ();
buf += 4; // reserve for length buf += 4; // reserve for length
size_t size = m_Deflator.Deflate (payload, len, buf, msg->maxLen - msg->len); size_t size = m_Deflator.Deflate (payload, len, buf, msg->maxLen - msg->len);
@ -139,10 +136,7 @@ namespace datagram
msg->FillI2NPMessageHeader (eI2NPData); msg->FillI2NPMessageHeader (eI2NPData);
} }
else else
{
DeleteI2NPMessage (msg);
msg = nullptr; msg = nullptr;
}
return msg; return msg;
} }
} }

6
Datagram.h
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@ -39,10 +39,10 @@ namespace datagram
private: private:
void HandleLeaseSetRequestComplete (std::shared_ptr<i2p::data::LeaseSet> leaseSet, I2NPMessage * msg); void HandleLeaseSetRequestComplete (std::shared_ptr<i2p::data::LeaseSet> leaseSet, std::shared_ptr<I2NPMessage> msg);
I2NPMessage * CreateDataMessage (const uint8_t * payload, size_t len, uint16_t fromPort, uint16_t toPort); std::shared_ptr<I2NPMessage> CreateDataMessage (const uint8_t * payload, size_t len, uint16_t fromPort, uint16_t toPort);
void SendMsg (I2NPMessage * msg, std::shared_ptr<const i2p::data::LeaseSet> remote); void SendMsg (std::shared_ptr<I2NPMessage> msg, std::shared_ptr<const i2p::data::LeaseSet> remote);
void HandleDatagram (uint16_t fromPort, uint16_t toPort, const uint8_t * buf, size_t len); void HandleDatagram (uint16_t fromPort, uint16_t toPort, const uint8_t * buf, size_t len);
private: private:

2
Garlic.cpp
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@ -112,7 +112,7 @@ namespace garlic
std::shared_ptr<I2NPMessage> GarlicRoutingSession::WrapSingleMessage (std::shared_ptr<const I2NPMessage> msg) std::shared_ptr<I2NPMessage> GarlicRoutingSession::WrapSingleMessage (std::shared_ptr<const I2NPMessage> msg)
{ {
auto m = ToSharedI2NPMessage(NewI2NPMessage ()); auto m = NewI2NPMessage ();
m->Align (12); // in order to get buf aligned to 16 (12 + 4) m->Align (12); // in order to get buf aligned to 16 (12 + 4)
size_t len = 0; size_t len = 0;
uint8_t * buf = m->GetPayload () + 4; // 4 bytes for length uint8_t * buf = m->GetPayload () + 4; // 4 bytes for length

83
I2NPProtocol.cpp
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@ -18,30 +18,20 @@ using namespace i2p::transport;
namespace i2p namespace i2p
{ {
I2NPMessage * NewI2NPMessage () std::shared_ptr<I2NPMessage> NewI2NPMessage ()
{ {
return new I2NPMessageBuffer<I2NP_MAX_MESSAGE_SIZE>(); return std::make_shared<I2NPMessageBuffer<I2NP_MAX_MESSAGE_SIZE> >();
} }
I2NPMessage * NewI2NPShortMessage () std::shared_ptr<I2NPMessage> NewI2NPShortMessage ()
{ {
return new I2NPMessageBuffer<I2NP_MAX_SHORT_MESSAGE_SIZE>(); return std::make_shared<I2NPMessageBuffer<I2NP_MAX_SHORT_MESSAGE_SIZE> >();
} }
I2NPMessage * NewI2NPMessage (size_t len) std::shared_ptr<I2NPMessage> NewI2NPMessage (size_t len)
{ {
return (len < I2NP_MAX_SHORT_MESSAGE_SIZE/2) ? NewI2NPShortMessage () : NewI2NPMessage (); return (len < I2NP_MAX_SHORT_MESSAGE_SIZE/2) ? NewI2NPShortMessage () : NewI2NPMessage ();
} }
void DeleteI2NPMessage (I2NPMessage * msg)
{
delete msg;
}
std::shared_ptr<I2NPMessage> ToSharedI2NPMessage (I2NPMessage * msg)
{
return std::shared_ptr<I2NPMessage>(msg, DeleteI2NPMessage);
}
void I2NPMessage::FillI2NPMessageHeader (I2NPMessageType msgType, uint32_t replyMsgID) void I2NPMessage::FillI2NPMessageHeader (I2NPMessageType msgType, uint32_t replyMsgID)
{ {
@ -61,9 +51,9 @@ namespace i2p
SetExpiration (i2p::util::GetMillisecondsSinceEpoch () + 5000); SetExpiration (i2p::util::GetMillisecondsSinceEpoch () + 5000);
} }
I2NPMessage * CreateI2NPMessage (I2NPMessageType msgType, const uint8_t * buf, int len, uint32_t replyMsgID) std::shared_ptr<I2NPMessage> CreateI2NPMessage (I2NPMessageType msgType, const uint8_t * buf, int len, uint32_t replyMsgID)
{ {
I2NPMessage * msg = NewI2NPMessage (len); auto msg = NewI2NPMessage (len);
if (msg->len + len < msg->maxLen) if (msg->len + len < msg->maxLen)
{ {
memcpy (msg->GetPayload (), buf, len); memcpy (msg->GetPayload (), buf, len);
@ -77,7 +67,7 @@ namespace i2p
std::shared_ptr<I2NPMessage> CreateI2NPMessage (const uint8_t * buf, int len, std::shared_ptr<i2p::tunnel::InboundTunnel> from) std::shared_ptr<I2NPMessage> CreateI2NPMessage (const uint8_t * buf, int len, std::shared_ptr<i2p::tunnel::InboundTunnel> from)
{ {
I2NPMessage * msg = NewI2NPMessage (); auto msg = NewI2NPMessage ();
if (msg->offset + len < msg->maxLen) if (msg->offset + len < msg->maxLen)
{ {
memcpy (msg->GetBuffer (), buf, len); memcpy (msg->GetBuffer (), buf, len);
@ -86,12 +76,12 @@ namespace i2p
} }
else else
LogPrint (eLogError, "I2NP message length ", len, " exceeds max length"); LogPrint (eLogError, "I2NP message length ", len, " exceeds max length");
return ToSharedI2NPMessage(msg); return msg;
} }
std::shared_ptr<I2NPMessage> CreateDeliveryStatusMsg (uint32_t msgID) std::shared_ptr<I2NPMessage> CreateDeliveryStatusMsg (uint32_t msgID)
{ {
I2NPMessage * m = NewI2NPShortMessage (); auto m = NewI2NPShortMessage ();
uint8_t * buf = m->GetPayload (); uint8_t * buf = m->GetPayload ();
if (msgID) if (msgID)
{ {
@ -106,13 +96,13 @@ namespace i2p
} }
m->len += DELIVERY_STATUS_SIZE; m->len += DELIVERY_STATUS_SIZE;
m->FillI2NPMessageHeader (eI2NPDeliveryStatus); m->FillI2NPMessageHeader (eI2NPDeliveryStatus);
return ToSharedI2NPMessage (m); return m;
} }
std::shared_ptr<I2NPMessage> CreateRouterInfoDatabaseLookupMsg (const uint8_t * key, const uint8_t * from, std::shared_ptr<I2NPMessage> CreateRouterInfoDatabaseLookupMsg (const uint8_t * key, const uint8_t * from,
uint32_t replyTunnelID, bool exploratory, std::set<i2p::data::IdentHash> * excludedPeers) uint32_t replyTunnelID, bool exploratory, std::set<i2p::data::IdentHash> * excludedPeers)
{ {
auto m = ToSharedI2NPMessage (excludedPeers ? NewI2NPMessage () : NewI2NPShortMessage ()); auto m = excludedPeers ? NewI2NPMessage () : NewI2NPShortMessage ();
uint8_t * buf = m->GetPayload (); uint8_t * buf = m->GetPayload ();
memcpy (buf, key, 32); // key memcpy (buf, key, 32); // key
buf += 32; buf += 32;
@ -159,7 +149,7 @@ namespace i2p
const i2p::tunnel::InboundTunnel * replyTunnel, const uint8_t * replyKey, const uint8_t * replyTag) const i2p::tunnel::InboundTunnel * replyTunnel, const uint8_t * replyKey, const uint8_t * replyTag)
{ {
int cnt = excludedFloodfills.size (); int cnt = excludedFloodfills.size ();
auto m = ToSharedI2NPMessage (cnt > 0 ? NewI2NPMessage () : NewI2NPShortMessage ()); auto m = cnt > 0 ? NewI2NPMessage () : NewI2NPShortMessage ();
uint8_t * buf = m->GetPayload (); uint8_t * buf = m->GetPayload ();
memcpy (buf, dest, 32); // key memcpy (buf, dest, 32); // key
buf += 32; buf += 32;
@ -194,7 +184,7 @@ namespace i2p
std::shared_ptr<I2NPMessage> CreateDatabaseSearchReply (const i2p::data::IdentHash& ident, std::shared_ptr<I2NPMessage> CreateDatabaseSearchReply (const i2p::data::IdentHash& ident,
std::vector<i2p::data::IdentHash> routers) std::vector<i2p::data::IdentHash> routers)
{ {
auto m = ToSharedI2NPMessage (NewI2NPShortMessage ()); auto m = NewI2NPShortMessage ();
uint8_t * buf = m->GetPayload (); uint8_t * buf = m->GetPayload ();
size_t len = 0; size_t len = 0;
memcpy (buf, ident, 32); memcpy (buf, ident, 32);
@ -218,7 +208,7 @@ namespace i2p
if (!router) // we send own RouterInfo if (!router) // we send own RouterInfo
router = context.GetSharedRouterInfo (); router = context.GetSharedRouterInfo ();
auto m = ToSharedI2NPMessage (NewI2NPShortMessage ()); auto m = NewI2NPShortMessage ();
uint8_t * payload = m->GetPayload (); uint8_t * payload = m->GetPayload ();
memcpy (payload + DATABASE_STORE_KEY_OFFSET, router->GetIdentHash (), 32); memcpy (payload + DATABASE_STORE_KEY_OFFSET, router->GetIdentHash (), 32);
@ -253,7 +243,7 @@ namespace i2p
std::shared_ptr<I2NPMessage> CreateDatabaseStoreMsg (std::shared_ptr<const i2p::data::LeaseSet> leaseSet, uint32_t replyToken) std::shared_ptr<I2NPMessage> CreateDatabaseStoreMsg (std::shared_ptr<const i2p::data::LeaseSet> leaseSet, uint32_t replyToken)
{ {
if (!leaseSet) return nullptr; if (!leaseSet) return nullptr;
auto m = ToSharedI2NPMessage (NewI2NPShortMessage ()); auto m = NewI2NPShortMessage ();
uint8_t * payload = m->GetPayload (); uint8_t * payload = m->GetPayload ();
memcpy (payload + DATABASE_STORE_KEY_OFFSET, leaseSet->GetIdentHash (), 32); memcpy (payload + DATABASE_STORE_KEY_OFFSET, leaseSet->GetIdentHash (), 32);
payload[DATABASE_STORE_TYPE_OFFSET] = 1; // LeaseSet payload[DATABASE_STORE_TYPE_OFFSET] = 1; // LeaseSet
@ -358,14 +348,14 @@ namespace i2p
{ {
// so we send it to reply tunnel // so we send it to reply tunnel
transports.SendMessage (clearText + BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET, transports.SendMessage (clearText + BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET,
ToSharedI2NPMessage (CreateTunnelGatewayMsg (bufbe32toh (clearText + BUILD_REQUEST_RECORD_NEXT_TUNNEL_OFFSET), CreateTunnelGatewayMsg (bufbe32toh (clearText + BUILD_REQUEST_RECORD_NEXT_TUNNEL_OFFSET),
eI2NPVariableTunnelBuildReply, buf, len, eI2NPVariableTunnelBuildReply, buf, len,
bufbe32toh (clearText + BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET)))); bufbe32toh (clearText + BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET)));
} }
else else
transports.SendMessage (clearText + BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET, transports.SendMessage (clearText + BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET,
ToSharedI2NPMessage (CreateI2NPMessage (eI2NPVariableTunnelBuild, buf, len, CreateI2NPMessage (eI2NPVariableTunnelBuild, buf, len,
bufbe32toh (clearText + BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET)))); bufbe32toh (clearText + BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET)));
} }
} }
} }
@ -379,14 +369,14 @@ namespace i2p
{ {
// so we send it to reply tunnel // so we send it to reply tunnel
transports.SendMessage (clearText + BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET, transports.SendMessage (clearText + BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET,
ToSharedI2NPMessage (CreateTunnelGatewayMsg (bufbe32toh (clearText + BUILD_REQUEST_RECORD_NEXT_TUNNEL_OFFSET), CreateTunnelGatewayMsg (bufbe32toh (clearText + BUILD_REQUEST_RECORD_NEXT_TUNNEL_OFFSET),
eI2NPTunnelBuildReply, buf, len, eI2NPTunnelBuildReply, buf, len,
bufbe32toh (clearText + BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET)))); bufbe32toh (clearText + BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET)));
} }
else else
transports.SendMessage (clearText + BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET, transports.SendMessage (clearText + BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET,
ToSharedI2NPMessage (CreateI2NPMessage (eI2NPTunnelBuild, buf, len, CreateI2NPMessage (eI2NPTunnelBuild, buf, len,
bufbe32toh (clearText + BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET)))); bufbe32toh (clearText + BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET)));
} }
} }
@ -414,18 +404,18 @@ namespace i2p
} }
I2NPMessage * CreateTunnelDataMsg (const uint8_t * buf) std::shared_ptr<I2NPMessage> CreateTunnelDataMsg (const uint8_t * buf)
{ {
I2NPMessage * msg = NewI2NPShortMessage (); auto msg = NewI2NPShortMessage ();
memcpy (msg->GetPayload (), buf, i2p::tunnel::TUNNEL_DATA_MSG_SIZE); memcpy (msg->GetPayload (), buf, i2p::tunnel::TUNNEL_DATA_MSG_SIZE);
msg->len += i2p::tunnel::TUNNEL_DATA_MSG_SIZE; msg->len += i2p::tunnel::TUNNEL_DATA_MSG_SIZE;
msg->FillI2NPMessageHeader (eI2NPTunnelData); msg->FillI2NPMessageHeader (eI2NPTunnelData);
return msg; return msg;
} }
I2NPMessage * CreateTunnelDataMsg (uint32_t tunnelID, const uint8_t * payload) std::shared_ptr<I2NPMessage> CreateTunnelDataMsg (uint32_t tunnelID, const uint8_t * payload)
{ {
I2NPMessage * msg = NewI2NPShortMessage (); auto msg = NewI2NPShortMessage ();
memcpy (msg->GetPayload () + 4, payload, i2p::tunnel::TUNNEL_DATA_MSG_SIZE - 4); memcpy (msg->GetPayload () + 4, payload, i2p::tunnel::TUNNEL_DATA_MSG_SIZE - 4);
htobe32buf (msg->GetPayload (), tunnelID); htobe32buf (msg->GetPayload (), tunnelID);
msg->len += i2p::tunnel::TUNNEL_DATA_MSG_SIZE; msg->len += i2p::tunnel::TUNNEL_DATA_MSG_SIZE;
@ -435,14 +425,14 @@ namespace i2p
std::shared_ptr<I2NPMessage> CreateEmptyTunnelDataMsg () std::shared_ptr<I2NPMessage> CreateEmptyTunnelDataMsg ()
{ {
I2NPMessage * msg = NewI2NPShortMessage (); auto msg = NewI2NPShortMessage ();
msg->len += i2p::tunnel::TUNNEL_DATA_MSG_SIZE; msg->len += i2p::tunnel::TUNNEL_DATA_MSG_SIZE;
return ToSharedI2NPMessage (msg); return msg;
} }
I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, const uint8_t * buf, size_t len) std::shared_ptr<I2NPMessage> CreateTunnelGatewayMsg (uint32_t tunnelID, const uint8_t * buf, size_t len)
{ {
I2NPMessage * msg = NewI2NPMessage (len); auto msg = NewI2NPMessage (len);
uint8_t * payload = msg->GetPayload (); uint8_t * payload = msg->GetPayload ();
htobe32buf (payload + TUNNEL_GATEWAY_HEADER_TUNNELID_OFFSET, tunnelID); htobe32buf (payload + TUNNEL_GATEWAY_HEADER_TUNNELID_OFFSET, tunnelID);
htobe16buf (payload + TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET, len); htobe16buf (payload + TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET, len);
@ -467,16 +457,13 @@ namespace i2p
return msg; return msg;
} }
else else
{ return CreateTunnelGatewayMsg (tunnelID, msg->GetBuffer (), msg->GetLength ());
I2NPMessage * msg1 = CreateTunnelGatewayMsg (tunnelID, msg->GetBuffer (), msg->GetLength ());
return ToSharedI2NPMessage (msg1);
}
} }
I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, I2NPMessageType msgType, std::shared_ptr<I2NPMessage> CreateTunnelGatewayMsg (uint32_t tunnelID, I2NPMessageType msgType,
const uint8_t * buf, size_t len, uint32_t replyMsgID) const uint8_t * buf, size_t len, uint32_t replyMsgID)
{ {
I2NPMessage * msg = NewI2NPMessage (len); auto msg = NewI2NPMessage (len);
size_t gatewayMsgOffset = I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE; size_t gatewayMsgOffset = I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE;
msg->offset += gatewayMsgOffset; msg->offset += gatewayMsgOffset;
msg->len += gatewayMsgOffset; msg->len += gatewayMsgOffset;

18
I2NPProtocol.h
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@ -196,13 +196,11 @@ namespace tunnel
uint8_t m_Buffer[sz + 16]; uint8_t m_Buffer[sz + 16];
}; };
I2NPMessage * NewI2NPMessage (); std::shared_ptr<I2NPMessage> NewI2NPMessage ();
I2NPMessage * NewI2NPShortMessage (); std::shared_ptr<I2NPMessage> NewI2NPShortMessage ();
I2NPMessage * NewI2NPMessage (size_t len); std::shared_ptr<I2NPMessage> NewI2NPMessage (size_t len);
void DeleteI2NPMessage (I2NPMessage * msg);
std::shared_ptr<I2NPMessage> ToSharedI2NPMessage (I2NPMessage * msg);
I2NPMessage * CreateI2NPMessage (I2NPMessageType msgType, const uint8_t * buf, int len, uint32_t replyMsgID = 0); std::shared_ptr<I2NPMessage> CreateI2NPMessage (I2NPMessageType msgType, const uint8_t * buf, int len, uint32_t replyMsgID = 0);
std::shared_ptr<I2NPMessage> CreateI2NPMessage (const uint8_t * buf, int len, std::shared_ptr<i2p::tunnel::InboundTunnel> from = nullptr); std::shared_ptr<I2NPMessage> CreateI2NPMessage (const uint8_t * buf, int len, std::shared_ptr<i2p::tunnel::InboundTunnel> from = nullptr);
std::shared_ptr<I2NPMessage> CreateDeliveryStatusMsg (uint32_t msgID); std::shared_ptr<I2NPMessage> CreateDeliveryStatusMsg (uint32_t msgID);
@ -221,12 +219,12 @@ namespace tunnel
void HandleVariableTunnelBuildReplyMsg (uint32_t replyMsgID, uint8_t * buf, size_t len); void HandleVariableTunnelBuildReplyMsg (uint32_t replyMsgID, uint8_t * buf, size_t len);
void HandleTunnelBuildMsg (uint8_t * buf, size_t len); void HandleTunnelBuildMsg (uint8_t * buf, size_t len);
I2NPMessage * CreateTunnelDataMsg (const uint8_t * buf); std::shared_ptr<I2NPMessage> CreateTunnelDataMsg (const uint8_t * buf);
I2NPMessage * CreateTunnelDataMsg (uint32_t tunnelID, const uint8_t * payload); std::shared_ptr<I2NPMessage> CreateTunnelDataMsg (uint32_t tunnelID, const uint8_t * payload);
std::shared_ptr<I2NPMessage> CreateEmptyTunnelDataMsg (); std::shared_ptr<I2NPMessage> CreateEmptyTunnelDataMsg ();
I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, const uint8_t * buf, size_t len); std::shared_ptr<I2NPMessage> CreateTunnelGatewayMsg (uint32_t tunnelID, const uint8_t * buf, size_t len);
I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, I2NPMessageType msgType, std::shared_ptr<I2NPMessage> CreateTunnelGatewayMsg (uint32_t tunnelID, I2NPMessageType msgType,
const uint8_t * buf, size_t len, uint32_t replyMsgID = 0); const uint8_t * buf, size_t len, uint32_t replyMsgID = 0);
std::shared_ptr<I2NPMessage> CreateTunnelGatewayMsg (uint32_t tunnelID, std::shared_ptr<I2NPMessage> msg); std::shared_ptr<I2NPMessage> CreateTunnelGatewayMsg (uint32_t tunnelID, std::shared_ptr<I2NPMessage> msg);

2
NTCPSession.cpp
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@ -555,7 +555,7 @@ namespace transport
return false; return false;
} }
auto msg = dataSize <= I2NP_MAX_SHORT_MESSAGE_SIZE - 2 ? NewI2NPShortMessage () : NewI2NPMessage (); auto msg = dataSize <= I2NP_MAX_SHORT_MESSAGE_SIZE - 2 ? NewI2NPShortMessage () : NewI2NPMessage ();
m_NextMessage = ToSharedI2NPMessage (msg); m_NextMessage = msg;
memcpy (m_NextMessage->buf, buf, 16); memcpy (m_NextMessage->buf, buf, 16);
m_NextMessageOffset = 16; m_NextMessageOffset = 16;
m_NextMessage->offset = 2; // size field m_NextMessage->offset = 2; // size field

2
NetDb.cpp
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@ -478,7 +478,7 @@ namespace data
if (context.IsFloodfill ()) if (context.IsFloodfill ())
{ {
// flood it // flood it
auto floodMsg = ToSharedI2NPMessage (NewI2NPShortMessage ()); auto floodMsg = NewI2NPShortMessage ();
uint8_t * payload = floodMsg->GetPayload (); uint8_t * payload = floodMsg->GetPayload ();
memcpy (payload, buf, 33); // key + type memcpy (payload, buf, 33); // key + type
htobe32buf (payload + DATABASE_STORE_REPLY_TOKEN_OFFSET, 0); // zero reply token htobe32buf (payload + DATABASE_STORE_REPLY_TOKEN_OFFSET, 0); // zero reply token

4
SSUData.cpp
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@ -15,7 +15,7 @@ namespace transport
if (msg->len + fragmentSize > msg->maxLen) if (msg->len + fragmentSize > msg->maxLen)
{ {
LogPrint (eLogInfo, "SSU I2NP message size ", msg->maxLen, " is not enough"); LogPrint (eLogInfo, "SSU I2NP message size ", msg->maxLen, " is not enough");
auto newMsg = ToSharedI2NPMessage(NewI2NPMessage ()); auto newMsg = NewI2NPMessage ();
*newMsg = *msg; *newMsg = *msg;
msg = newMsg; msg = newMsg;
} }
@ -171,7 +171,7 @@ namespace transport
if (it == m_IncompleteMessages.end ()) if (it == m_IncompleteMessages.end ())
{ {
// create new message // create new message
auto msg = ToSharedI2NPMessage (NewI2NPShortMessage ()); auto msg = NewI2NPShortMessage ();
msg->len -= I2NP_SHORT_HEADER_SIZE; msg->len -= I2NP_SHORT_HEADER_SIZE;
it = m_IncompleteMessages.insert (std::make_pair (msgID, it = m_IncompleteMessages.insert (std::make_pair (msgID,
std::unique_ptr<IncompleteMessage>(new IncompleteMessage (msg)))).first; std::unique_ptr<IncompleteMessage>(new IncompleteMessage (msg)))).first;

2
Streaming.cpp
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@ -764,7 +764,7 @@ namespace stream
std::shared_ptr<I2NPMessage> Stream::CreateDataMessage (const uint8_t * payload, size_t len) std::shared_ptr<I2NPMessage> Stream::CreateDataMessage (const uint8_t * payload, size_t len)
{ {
auto msg = ToSharedI2NPMessage (NewI2NPShortMessage ()); auto msg = NewI2NPShortMessage ();
if (len <= i2p::stream::COMPRESSION_THRESHOLD_SIZE) if (len <= i2p::stream::COMPRESSION_THRESHOLD_SIZE)
m_LocalDestination.m_Deflator.SetCompressionLevel (Z_NO_COMPRESSION); m_LocalDestination.m_Deflator.SetCompressionLevel (Z_NO_COMPRESSION);
else else

4
Tunnel.cpp
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@ -85,9 +85,9 @@ namespace tunnel
// send message // send message
if (outboundTunnel) if (outboundTunnel)
outboundTunnel->SendTunnelDataMsg (GetNextIdentHash (), 0, ToSharedI2NPMessage (msg)); outboundTunnel->SendTunnelDataMsg (GetNextIdentHash (), 0, msg);
else else
i2p::transport::transports.SendMessage (GetNextIdentHash (), ToSharedI2NPMessage (msg)); i2p::transport::transports.SendMessage (GetNextIdentHash (), msg);
} }
bool Tunnel::HandleTunnelBuildResponse (uint8_t * msg, size_t len) bool Tunnel::HandleTunnelBuildResponse (uint8_t * msg, size_t len)

6
TunnelEndpoint.cpp
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@ -93,7 +93,7 @@ namespace tunnel
if (fragment + size < decrypted + TUNNEL_DATA_ENCRYPTED_SIZE) if (fragment + size < decrypted + TUNNEL_DATA_ENCRYPTED_SIZE)
{ {
// this is not last message. we have to copy it // this is not last message. we have to copy it
m.data = ToSharedI2NPMessage (NewI2NPShortMessage ()); m.data = NewI2NPShortMessage ();
m.data->offset += TUNNEL_GATEWAY_HEADER_SIZE; // reserve room for TunnelGateway header m.data->offset += TUNNEL_GATEWAY_HEADER_SIZE; // reserve room for TunnelGateway header
m.data->len += TUNNEL_GATEWAY_HEADER_SIZE; m.data->len += TUNNEL_GATEWAY_HEADER_SIZE;
*(m.data) = *msg; *(m.data) = *msg;
@ -148,7 +148,7 @@ namespace tunnel
if (msg.data->len + size > msg.data->maxLen) if (msg.data->len + size > msg.data->maxLen)
{ {
LogPrint (eLogInfo, "Tunnel endpoint I2NP message size ", msg.data->maxLen, " is not enough"); LogPrint (eLogInfo, "Tunnel endpoint I2NP message size ", msg.data->maxLen, " is not enough");
auto newMsg = ToSharedI2NPMessage (NewI2NPMessage ()); auto newMsg = NewI2NPMessage ();
*newMsg = *(msg.data); *newMsg = *(msg.data);
msg.data = newMsg; msg.data = newMsg;
} }
@ -204,7 +204,7 @@ namespace tunnel
if (msg.data->len + size > msg.data->maxLen) if (msg.data->len + size > msg.data->maxLen)
{ {
LogPrint (eLogInfo, "Tunnel endpoint I2NP message size ", msg.data->maxLen, " is not enough"); LogPrint (eLogInfo, "Tunnel endpoint I2NP message size ", msg.data->maxLen, " is not enough");
auto newMsg = ToSharedI2NPMessage (NewI2NPMessage ()); auto newMsg = NewI2NPMessage ();
*newMsg = *(msg.data); *newMsg = *(msg.data);
msg.data = newMsg; msg.data = newMsg;
} }

2
TunnelGateway.cpp
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@ -143,7 +143,7 @@ namespace tunnel
void TunnelGatewayBuffer::CreateCurrentTunnelDataMessage () void TunnelGatewayBuffer::CreateCurrentTunnelDataMessage ()
{ {
m_CurrentTunnelDataMsg = ToSharedI2NPMessage (NewI2NPShortMessage ()); m_CurrentTunnelDataMsg = NewI2NPShortMessage ();
m_CurrentTunnelDataMsg->Align (12); m_CurrentTunnelDataMsg->Align (12);
// we reserve space for padding // we reserve space for padding
m_CurrentTunnelDataMsg->offset += TUNNEL_DATA_MSG_SIZE + I2NP_HEADER_SIZE; m_CurrentTunnelDataMsg->offset += TUNNEL_DATA_MSG_SIZE + I2NP_HEADER_SIZE;

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