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Exploratory

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orignal 2013-11-18 20:37:38 -05:00
parent 1377aa2706
commit 63e3a21291
4 changed files with 163 additions and 33 deletions
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80
I2NPProtocol.cpp
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@ -81,25 +81,44 @@ namespace i2p
return CreateI2NPMessage (eI2NPDeliveryStatus, (uint8_t *)&msg, sizeof (msg));
}
I2NPMessage * CreateDatabaseLookupMsg (const uint8_t * key, const uint8_t * from, uint32_t replyTunnelID)
I2NPMessage * CreateDatabaseLookupMsg (const uint8_t * key, const uint8_t * from,
uint32_t replyTunnelID, bool exploratory)
{
#pragma pack(1)
struct
I2NPMessage * m = NewI2NPMessage ();
uint8_t * buf = m->GetPayload ();
memcpy (buf, key, 32); // key
buf += 32;
memcpy (buf, from, 32); // from
buf += 32;
if (replyTunnelID)
{
uint8_t key[32];
uint8_t from[32];
uint8_t flags;
uint32_t replyTunnelID;
uint16_t size;
} msg;
#pragma pack ()
memcpy (msg.key, key, 32);
memcpy (msg.from, from, 32);
msg.flags = replyTunnelID ? 0x01 : 0;
msg.replyTunnelID = htobe32 (replyTunnelID);
msg.size = 0;
return CreateI2NPMessage (eI2NPDatabaseLookup, (uint8_t *)&msg, sizeof (msg));
*buf = 0x01; // set delivery flag
*(uint32_t *)(buf+1) = htobe32 (replyTunnelID);
buf += 5;
}
else
{
*buf = 0; // flag
buf++;
}
if (exploratory)
{
*(uint16_t *)buf = htobe16 (1); // one exlude record
buf += 2;
// reply with non-floodfill routers only
memset (buf, 0, 32);
buf += 32;
}
else
{
// nothing to exclude
*(uint16_t *)buf = htobe16 (0);
buf += 2;
}
m->len += (buf - m->GetPayload ());
FillI2NPMessageHeader (m, eI2NPDatabaseLookup);
return m;
}
I2NPMessage * CreateDatabaseStoreMsg ()
@ -167,7 +186,7 @@ namespace i2p
peerHash[l1] = 0;
LogPrint (i,": ", peerHash);
i2p::data::netdb.RequestDestination (msg->key, buf + sizeof (*msg) +i*32);
i2p::data::netdb.HandleDatabaseSearchReply (msg->key, buf + sizeof (*msg) +i*32);
}
}
@ -211,8 +230,18 @@ namespace i2p
i2p::tunnel::Tunnel * tunnel = i2p::tunnel::tunnels.GetPendingTunnel (replyMsgID);
if (tunnel)
{
// endpoint of inbound tunnel
LogPrint ("VariableTunnelBuild reply for tunnel ", tunnel->GetTunnelID ());
tunnel->HandleVariableTunnelBuildReplyMsg (buf, len);
if (tunnel->HandleTunnelBuildResponse (buf, len))
{
LogPrint ("Inbound tunnel ", tunnel->GetTunnelID (), " has been created");
i2p::tunnel::tunnels.AddInboundTunnel (static_cast<i2p::tunnel::InboundTunnel *>(tunnel));
}
else
{
LogPrint ("Inbound tunnel ", tunnel->GetTunnelID (), " has been declined");
delete tunnel;
}
}
else
{
@ -269,8 +298,17 @@ namespace i2p
i2p::tunnel::Tunnel * tunnel = i2p::tunnel::tunnels.GetPendingTunnel (replyMsgID);
if (tunnel)
{
tunnel->HandleVariableTunnelBuildReplyMsg (buf, len);
LogPrint ("Tunnel ", tunnel->GetTunnelID (), " has been created");
// reply for outbound tunnel
if (tunnel->HandleTunnelBuildResponse (buf, len))
{
LogPrint ("Outbound tunnel ", tunnel->GetTunnelID (), " has been created");
i2p::tunnel::tunnels.AddOutboundTunnel (static_cast<i2p::tunnel::OutboundTunnel *>(tunnel));
}
else
{
LogPrint ("Outbound tunnel ", tunnel->GetTunnelID (), " has been declined");
delete tunnel;
}
}
else
LogPrint ("Pending tunnel for message ", replyMsgID, " not found");