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process TunnelGateway message in tunnel thread

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orignal 2015-01-23 16:26:39 -05:00
parent 33bce67a4e
commit 82103e6a39
6 changed files with 48 additions and 35 deletions
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45
Tunnel.cpp
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@ -150,7 +150,13 @@ namespace tunnel
hop = hop->prev;
}
}
void Tunnel::SendTunnelDataMsg (i2p::I2NPMessage * msg)
{
LogPrint (eLogInfo, "Can't send I2NP messages without delivery instructions");
DeleteI2NPMessage (msg);
}
void InboundTunnel::HandleTunnelDataMsg (I2NPMessage * msg)
{
if (IsFailed ()) SetState (eTunnelStateEstablished); // incoming messages means a tunnel is alive
@ -349,6 +355,7 @@ namespace tunnel
I2NPMessage * msg = m_Queue.GetNextWithTimeout (1000); // 1 sec
if (msg)
{
uint8_t typeID = msg->GetTypeID ();
uint32_t prevTunnelID = 0;
TunnelBase * prevTunnel = nullptr;
do
@ -360,12 +367,17 @@ namespace tunnel
else if (prevTunnel)
prevTunnel->FlushTunnelDataMsgs ();
if (!tunnel)
if (!tunnel && typeID == eI2NPTunnelData)
tunnel = GetInboundTunnel (tunnelID);
if (!tunnel)
tunnel = GetTransitTunnel (tunnelID);
if (tunnel)
tunnel->HandleTunnelDataMsg (msg);
{
if (typeID == eI2NPTunnelData)
tunnel->HandleTunnelDataMsg (msg);
else // tunnel gateway assumed
HandleTunnelGatewayMsg (tunnel, msg);
}
else
{
LogPrint ("Tunnel ", tunnelID, " not found");
@ -398,6 +410,33 @@ namespace tunnel
}
}
void Tunnels::HandleTunnelGatewayMsg (TunnelBase * tunnel, I2NPMessage * msg)
{
if (!tunnel)
{
LogPrint (eLogError, "Missing tunnel for TunnelGateway");
i2p::DeleteI2NPMessage (msg);
return;
}
const uint8_t * payload = msg->GetPayload ();
uint16_t len = bufbe16toh(payload + TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET);
// we make payload as new I2NP message to send
msg->offset += I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE;
msg->len = msg->offset + len;
auto typeID = msg->GetTypeID ();
LogPrint (eLogDebug, "TunnelGateway of ", (int)len, " bytes for tunnel ", tunnel->GetTunnelID (), ". Msg type ", (int)typeID);
if (typeID == eI2NPDatabaseStore || typeID == eI2NPDatabaseSearchReply)
{
// transit DatabaseStore my contain new/updated RI
// or DatabaseSearchReply with new routers
auto ds = NewI2NPMessage ();
*ds = *msg;
i2p::data::netdb.PostI2NPMsg (ds);
}
tunnel->SendTunnelDataMsg (msg);
}
void Tunnels::ManageTunnels ()
{
ManagePendingTunnels ();