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move tunnel build request/reply code from I2NPProtocol.cpp to Tunnel.cpp
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orignal 2024-11-09 17:25:43 -05:00
parent 002d8c7773
commit c5e464a8b5
6 changed files with 114 additions and 133 deletions
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123
libi2pd/I2NPProtocol.cpp
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@ -371,94 +371,6 @@ namespace i2p
return !msg->GetPayload ()[DATABASE_STORE_TYPE_OFFSET]; // 0- RouterInfo
}
static void HandleVariableTunnelBuildMsg (uint32_t replyMsgID, uint8_t * buf, size_t len)
{
auto tunnel = i2p::tunnel::tunnels.GetPendingInboundTunnel (replyMsgID);
if (tunnel)
{
// endpoint of inbound tunnel
LogPrint (eLogDebug, "I2NP: VariableTunnelBuild reply for tunnel ", tunnel->GetTunnelID ());
if (tunnel->HandleTunnelBuildResponse (buf, len))
{
LogPrint (eLogInfo, "I2NP: Inbound tunnel ", tunnel->GetTunnelID (), " has been created");
tunnel->SetState (i2p::tunnel::eTunnelStateEstablished);
i2p::tunnel::tunnels.AddInboundTunnel (tunnel);
}
else
{
LogPrint (eLogInfo, "I2NP: Inbound tunnel ", tunnel->GetTunnelID (), " has been declined");
tunnel->SetState (i2p::tunnel::eTunnelStateBuildFailed);
}
}
else
i2p::tunnel::HandleVariableTransitTunnelBuildMsg (buf, len);
}
static void HandleTunnelBuildMsg (uint8_t * buf, size_t len)
{
LogPrint (eLogWarning, "I2NP: TunnelBuild is too old for ECIES router");
}
static void HandleTunnelBuildReplyMsg (uint32_t replyMsgID, uint8_t * buf, size_t len, bool isShort)
{
int num = buf[0];
LogPrint (eLogDebug, "I2NP: TunnelBuildReplyMsg of ", num, " records replyMsgID=", replyMsgID);
if (num > i2p::tunnel::MAX_NUM_RECORDS)
{
LogPrint (eLogError, "I2NP: Too many records in TunnelBuildReply message ", num);
return;
}
size_t recordSize = isShort ? SHORT_TUNNEL_BUILD_RECORD_SIZE : TUNNEL_BUILD_RECORD_SIZE;
if (len < num*recordSize + 1)
{
LogPrint (eLogError, "I2NP: TunnelBuildReply message of ", num, " records is too short ", len);
return;
}
auto tunnel = i2p::tunnel::tunnels.GetPendingOutboundTunnel (replyMsgID);
if (tunnel)
{
// reply for outbound tunnel
if (tunnel->HandleTunnelBuildResponse (buf, len))
{
LogPrint (eLogInfo, "I2NP: Outbound tunnel ", tunnel->GetTunnelID (), " has been created");
tunnel->SetState (i2p::tunnel::eTunnelStateEstablished);
i2p::tunnel::tunnels.AddOutboundTunnel (tunnel);
}
else
{
LogPrint (eLogInfo, "I2NP: Outbound tunnel ", tunnel->GetTunnelID (), " has been declined");
tunnel->SetState (i2p::tunnel::eTunnelStateBuildFailed);
}
}
else
LogPrint (eLogWarning, "I2NP: Pending tunnel for message ", replyMsgID, " not found");
}
static void HandleShortTunnelBuildMsg (uint32_t replyMsgID, uint8_t * buf, size_t len)
{
auto tunnel = i2p::tunnel::tunnels.GetPendingInboundTunnel (replyMsgID);
if (tunnel)
{
// endpoint of inbound tunnel
LogPrint (eLogDebug, "I2NP: ShortTunnelBuild reply for tunnel ", tunnel->GetTunnelID ());
if (tunnel->HandleTunnelBuildResponse (buf, len))
{
LogPrint (eLogInfo, "I2NP: Inbound tunnel ", tunnel->GetTunnelID (), " has been created");
tunnel->SetState (i2p::tunnel::eTunnelStateEstablished);
i2p::tunnel::tunnels.AddInboundTunnel (tunnel);
}
else
{
LogPrint (eLogInfo, "I2NP: Inbound tunnel ", tunnel->GetTunnelID (), " has been declined");
tunnel->SetState (i2p::tunnel::eTunnelStateBuildFailed);
}
return;
}
else
i2p::tunnel::HandleShortTransitTunnelBuildMsg (buf, len);
}
std::shared_ptr<I2NPMessage> CreateTunnelDataMsg (const uint8_t * buf)
{
auto msg = NewI2NPTunnelMessage (false);
@ -554,41 +466,6 @@ namespace i2p
return l;
}
void HandleTunnelBuildI2NPMessage (std::shared_ptr<I2NPMessage> msg)
{
if (msg)
{
uint8_t typeID = msg->GetTypeID();
uint32_t msgID = msg->GetMsgID();
LogPrint (eLogDebug, "I2NP: Handling tunnel build message with len=", msg->GetLength(),", type=", (int)typeID, ", msgID=", (unsigned int)msgID);
uint8_t * payload = msg->GetPayload();
auto size = msg->GetPayloadLength();
switch (typeID)
{
case eI2NPVariableTunnelBuild:
HandleVariableTunnelBuildMsg (msgID, payload, size);
break;
case eI2NPShortTunnelBuild:
HandleShortTunnelBuildMsg (msgID, payload, size);
break;
case eI2NPVariableTunnelBuildReply:
HandleTunnelBuildReplyMsg (msgID, payload, size, false);
break;
case eI2NPShortTunnelBuildReply:
HandleTunnelBuildReplyMsg (msgID, payload, size, true);
break;
case eI2NPTunnelBuild:
HandleTunnelBuildMsg (payload, size);
break;
case eI2NPTunnelBuildReply:
// TODO:
break;
default:
LogPrint (eLogError, "I2NP: Unexpected message with type", (int)typeID, " during handling TBM; skipping");
}
}
}
void HandleI2NPMessage (std::shared_ptr<I2NPMessage> msg)
{
if (msg)