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611 lines
19 KiB
C++
611 lines
19 KiB
C++
#include <string.h>
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#include <atomic>
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#include "I2PEndian.h"
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#include <cryptopp/gzip.h>
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#include "ElGamal.h"
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#include "Timestamp.h"
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#include "RouterContext.h"
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#include "NetDb.h"
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#include "Tunnel.h"
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#include "base64.h"
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#include "Transports.h"
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#include "Garlic.h"
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#include "I2NPProtocol.h"
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using namespace i2p::transport;
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namespace i2p
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{
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I2NPMessage * NewI2NPMessage ()
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{
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return new I2NPMessageBuffer<I2NP_MAX_MESSAGE_SIZE>();
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}
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I2NPMessage * NewI2NPShortMessage ()
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{
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return new I2NPMessageBuffer<I2NP_MAX_SHORT_MESSAGE_SIZE>();
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}
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I2NPMessage * NewI2NPMessage (size_t len)
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{
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return (len < I2NP_MAX_SHORT_MESSAGE_SIZE/2) ? NewI2NPShortMessage () : NewI2NPMessage ();
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}
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void DeleteI2NPMessage (I2NPMessage * msg)
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{
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delete msg;
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}
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static std::atomic<uint32_t> I2NPmsgID(0); // TODO: create class
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void FillI2NPMessageHeader (I2NPMessage * msg, I2NPMessageType msgType, uint32_t replyMsgID)
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{
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msg->SetTypeID (msgType);
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if (replyMsgID) // for tunnel creation
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msg->SetMsgID (replyMsgID);
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else
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{
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msg->SetMsgID (I2NPmsgID);
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I2NPmsgID++;
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}
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msg->SetExpiration (i2p::util::GetMillisecondsSinceEpoch () + 5000); // TODO: 5 secs is a magic number
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msg->UpdateSize ();
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msg->UpdateChks ();
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}
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void RenewI2NPMessageHeader (I2NPMessage * msg)
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{
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if (msg)
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{
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msg->SetMsgID (I2NPmsgID);
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I2NPmsgID++;
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msg->SetExpiration (i2p::util::GetMillisecondsSinceEpoch () + 5000);
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}
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}
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I2NPMessage * CreateI2NPMessage (I2NPMessageType msgType, const uint8_t * buf, int len, uint32_t replyMsgID)
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{
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I2NPMessage * msg = NewI2NPMessage (len);
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memcpy (msg->GetPayload (), buf, len);
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msg->len += len;
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FillI2NPMessageHeader (msg, msgType, replyMsgID);
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return msg;
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}
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I2NPMessage * CreateI2NPMessage (const uint8_t * buf, int len, i2p::tunnel::InboundTunnel * from)
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{
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I2NPMessage * msg = NewI2NPMessage ();
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memcpy (msg->GetBuffer (), buf, len);
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msg->len = msg->offset + len;
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msg->from = from;
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return msg;
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}
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I2NPMessage * CreateDeliveryStatusMsg (uint32_t msgID)
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{
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I2NPMessage * m = NewI2NPMessage ();
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uint8_t * buf = m->GetPayload ();
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if (msgID)
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{
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htobe32buf (buf + DELIVERY_STATUS_MSGID_OFFSET, msgID);
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htobe64buf (buf + DELIVERY_STATUS_TIMESTAMP_OFFSET, i2p::util::GetMillisecondsSinceEpoch ());
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}
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else // for SSU establishment
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{
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htobe32buf (buf + DELIVERY_STATUS_MSGID_OFFSET, i2p::context.GetRandomNumberGenerator ().GenerateWord32 ());
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htobe64buf (buf + DELIVERY_STATUS_TIMESTAMP_OFFSET, 2); // netID = 2
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}
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m->len += DELIVERY_STATUS_SIZE;
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FillI2NPMessageHeader (m, eI2NPDeliveryStatus);
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return m;
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}
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I2NPMessage * CreateRouterInfoDatabaseLookupMsg (const uint8_t * key, const uint8_t * from,
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uint32_t replyTunnelID, bool exploratory, std::set<i2p::data::IdentHash> * excludedPeers)
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{
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I2NPMessage * m = NewI2NPMessage ();
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uint8_t * buf = m->GetPayload ();
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memcpy (buf, key, 32); // key
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buf += 32;
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memcpy (buf, from, 32); // from
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buf += 32;
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uint8_t flag = exploratory ? 0x0C : 0x08; // 1000 - RI, 1100 -exporatory
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if (replyTunnelID)
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{
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*buf = flag | 0x01; // set delivery flag
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htobe32buf (buf+1, replyTunnelID);
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buf += 5;
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}
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else
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{
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*buf = flag; // flag
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buf++;
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}
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if (excludedPeers)
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{
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int cnt = excludedPeers->size ();
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htobe16buf (buf, cnt);
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buf += 2;
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for (auto& it: *excludedPeers)
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{
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memcpy (buf, it, 32);
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buf += 32;
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}
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}
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else
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{
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// nothing to exclude
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htobuf16 (buf, 0);
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buf += 2;
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}
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m->len += (buf - m->GetPayload ());
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FillI2NPMessageHeader (m, eI2NPDatabaseLookup);
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return m;
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}
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I2NPMessage * CreateLeaseSetDatabaseLookupMsg (const i2p::data::IdentHash& dest,
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const std::set<i2p::data::IdentHash>& excludedFloodfills,
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const i2p::tunnel::InboundTunnel * replyTunnel, const uint8_t * replyKey, const uint8_t * replyTag)
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{
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I2NPMessage * m = NewI2NPMessage ();
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uint8_t * buf = m->GetPayload ();
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memcpy (buf, dest, 32); // key
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buf += 32;
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memcpy (buf, replyTunnel->GetNextIdentHash (), 32); // reply tunnel GW
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buf += 32;
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*buf = 7; // flags (01 - tunnel, 10 - encrypted, 0100 - LS lookup
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htobe32buf (buf + 1, replyTunnel->GetNextTunnelID ()); // reply tunnel ID
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buf += 5;
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// excluded
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int cnt = excludedFloodfills.size ();
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htobe16buf (buf, cnt);
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buf += 2;
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if (cnt > 0)
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{
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for (auto& it: excludedFloodfills)
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{
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memcpy (buf, it, 32);
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buf += 32;
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}
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}
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// encryption
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memcpy (buf, replyKey, 32);
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buf[32] = 1; // 1 tag
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memcpy (buf + 33, replyTag, 32);
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buf += 65;
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m->len += (buf - m->GetPayload ());
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FillI2NPMessageHeader (m, eI2NPDatabaseLookup);
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return m;
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}
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I2NPMessage * CreateDatabaseSearchReply (const i2p::data::IdentHash& ident,
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const i2p::data::RouterInfo * floodfill)
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{
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I2NPMessage * m = NewI2NPShortMessage ();
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uint8_t * buf = m->GetPayload ();
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size_t len = 0;
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memcpy (buf, ident, 32);
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len += 32;
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buf[len] = floodfill ? 1 : 0; // 1 router for now
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len++;
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if (floodfill)
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{
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memcpy (buf + len, floodfill->GetIdentHash (), 32);
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len += 32;
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}
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memcpy (buf + len, i2p::context.GetRouterInfo ().GetIdentHash (), 32);
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len += 32;
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m->len += len;
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FillI2NPMessageHeader (m, eI2NPDatabaseSearchReply);
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return m;
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}
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I2NPMessage * CreateDatabaseStoreMsg (const i2p::data::RouterInfo * router)
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{
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if (!router) // we send own RouterInfo
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router = &context.GetRouterInfo ();
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I2NPMessage * m = NewI2NPShortMessage ();
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uint8_t * payload = m->GetPayload ();
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memcpy (payload + DATABASE_STORE_KEY_OFFSET, router->GetIdentHash (), 32);
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payload[DATABASE_STORE_TYPE_OFFSET] = 0;
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htobe32buf (payload + DATABASE_STORE_REPLY_TOKEN_OFFSET, 0);
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CryptoPP::Gzip compressor;
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compressor.Put (router->GetBuffer (), router->GetBufferLen ());
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compressor.MessageEnd();
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auto size = compressor.MaxRetrievable ();
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uint8_t * buf = payload + DATABASE_STORE_HEADER_SIZE;
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htobe16buf (buf, size); // size
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buf += 2;
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// TODO: check if size doesn't exceed buffer
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compressor.Get (buf, size);
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m->len += DATABASE_STORE_HEADER_SIZE + 2 + size; // payload size
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FillI2NPMessageHeader (m, eI2NPDatabaseStore);
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return m;
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}
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I2NPMessage * CreateDatabaseStoreMsg (const i2p::data::LeaseSet * leaseSet, uint32_t replyToken)
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{
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if (!leaseSet) return nullptr;
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I2NPMessage * m = NewI2NPShortMessage ();
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uint8_t * payload = m->GetPayload ();
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memcpy (payload + DATABASE_STORE_KEY_OFFSET, leaseSet->GetIdentHash (), 32);
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payload[DATABASE_STORE_TYPE_OFFSET] = 1; // LeaseSet
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htobe32buf (payload + DATABASE_STORE_REPLY_TOKEN_OFFSET, replyToken);
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size_t size = DATABASE_STORE_HEADER_SIZE;
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if (replyToken)
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{
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auto leases = leaseSet->GetNonExpiredLeases ();
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if (leases.size () > 0)
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{
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htobe32buf (payload + size, leases[0].tunnelID);
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size += 4; // reply tunnelID
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memcpy (payload + size, leases[0].tunnelGateway, 32);
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size += 32; // reply tunnel gateway
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}
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else
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htobe32buf (payload + DATABASE_STORE_REPLY_TOKEN_OFFSET, 0);
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}
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memcpy (payload + size, leaseSet->GetBuffer (), leaseSet->GetBufferLen ());
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size += leaseSet->GetBufferLen ();
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m->len += size;
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FillI2NPMessageHeader (m, eI2NPDatabaseStore);
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return m;
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}
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bool HandleBuildRequestRecords (int num, uint8_t * records, uint8_t * clearText)
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{
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for (int i = 0; i < num; i++)
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{
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uint8_t * record = records + i*TUNNEL_BUILD_RECORD_SIZE;
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if (!memcmp (record + BUILD_REQUEST_RECORD_TO_PEER_OFFSET, (const uint8_t *)i2p::context.GetRouterInfo ().GetIdentHash (), 16))
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{
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LogPrint ("Record ",i," is ours");
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i2p::crypto::ElGamalDecrypt (i2p::context.GetEncryptionPrivateKey (), record + BUILD_REQUEST_RECORD_ENCRYPTED_OFFSET, clearText);
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// replace record to reply
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if (i2p::context.AcceptsTunnels ())
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{
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i2p::tunnel::TransitTunnel * transitTunnel =
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i2p::tunnel::CreateTransitTunnel (
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bufbe32toh (clearText + BUILD_REQUEST_RECORD_RECEIVE_TUNNEL_OFFSET),
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clearText + BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET,
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bufbe32toh (clearText + BUILD_REQUEST_RECORD_NEXT_TUNNEL_OFFSET),
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clearText + BUILD_REQUEST_RECORD_LAYER_KEY_OFFSET,
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clearText + BUILD_REQUEST_RECORD_IV_KEY_OFFSET,
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clearText[BUILD_REQUEST_RECORD_FLAG_OFFSET] & 0x80,
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clearText[BUILD_REQUEST_RECORD_FLAG_OFFSET ] & 0x40);
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i2p::tunnel::tunnels.AddTransitTunnel (transitTunnel);
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record[BUILD_RESPONSE_RECORD_RET_OFFSET] = 0;
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}
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else
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record[BUILD_RESPONSE_RECORD_RET_OFFSET] = 30; // always reject with bandwidth reason (30)
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//TODO: fill filler
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CryptoPP::SHA256().CalculateDigest(record + BUILD_RESPONSE_RECORD_HASH_OFFSET,
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record + BUILD_RESPONSE_RECORD_PADDING_OFFSET, BUILD_RESPONSE_RECORD_PADDING_SIZE + 1); // + 1 byte of ret
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// encrypt reply
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i2p::crypto::CBCEncryption encryption;
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for (int j = 0; j < num; j++)
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{
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encryption.SetKey (clearText + BUILD_REQUEST_RECORD_REPLY_KEY_OFFSET);
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encryption.SetIV (clearText + BUILD_REQUEST_RECORD_REPLY_IV_OFFSET);
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uint8_t * reply = records + j*TUNNEL_BUILD_RECORD_SIZE;
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encryption.Encrypt(reply, TUNNEL_BUILD_RECORD_SIZE, reply);
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}
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return true;
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}
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}
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return false;
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}
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void HandleVariableTunnelBuildMsg (uint32_t replyMsgID, uint8_t * buf, size_t len)
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{
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int num = buf[0];
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LogPrint ("VariableTunnelBuild ", num, " records");
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i2p::tunnel::Tunnel * tunnel = i2p::tunnel::tunnels.GetPendingTunnel (replyMsgID);
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if (tunnel)
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{
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// endpoint of inbound tunnel
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LogPrint ("VariableTunnelBuild reply for tunnel ", tunnel->GetTunnelID ());
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if (tunnel->HandleTunnelBuildResponse (buf, len))
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{
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LogPrint ("Inbound tunnel ", tunnel->GetTunnelID (), " has been created");
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tunnel->SetState (i2p::tunnel::eTunnelStateEstablished);
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i2p::tunnel::tunnels.AddInboundTunnel (static_cast<i2p::tunnel::InboundTunnel *>(tunnel));
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}
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else
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{
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LogPrint ("Inbound tunnel ", tunnel->GetTunnelID (), " has been declined");
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tunnel->SetState (i2p::tunnel::eTunnelStateBuildFailed);
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}
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}
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else
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{
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uint8_t clearText[BUILD_REQUEST_RECORD_CLEAR_TEXT_SIZE];
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if (HandleBuildRequestRecords (num, buf + 1, clearText))
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{
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if (clearText[BUILD_REQUEST_RECORD_FLAG_OFFSET] & 0x40) // we are endpoint of outboud tunnel
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{
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// so we send it to reply tunnel
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transports.SendMessage (clearText + BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET,
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CreateTunnelGatewayMsg (bufbe32toh (clearText + BUILD_REQUEST_RECORD_NEXT_TUNNEL_OFFSET),
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eI2NPVariableTunnelBuildReply, buf, len,
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bufbe32toh (clearText + BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET)));
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}
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else
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transports.SendMessage (clearText + BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET,
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CreateI2NPMessage (eI2NPVariableTunnelBuild, buf, len,
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bufbe32toh (clearText + BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET)));
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}
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}
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}
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void HandleTunnelBuildMsg (uint8_t * buf, size_t len)
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{
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uint8_t clearText[BUILD_REQUEST_RECORD_CLEAR_TEXT_SIZE];
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if (HandleBuildRequestRecords (NUM_TUNNEL_BUILD_RECORDS, buf, clearText))
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{
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if (clearText[BUILD_REQUEST_RECORD_FLAG_OFFSET] & 0x40) // we are endpoint of outbound tunnel
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{
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// so we send it to reply tunnel
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transports.SendMessage (clearText + BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET,
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CreateTunnelGatewayMsg (bufbe32toh (clearText + BUILD_REQUEST_RECORD_NEXT_TUNNEL_OFFSET),
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eI2NPTunnelBuildReply, buf, len,
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bufbe32toh (clearText + BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET)));
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}
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else
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transports.SendMessage (clearText + BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET,
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CreateI2NPMessage (eI2NPTunnelBuild, buf, len,
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bufbe32toh (clearText + BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET)));
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}
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}
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void HandleVariableTunnelBuildReplyMsg (uint32_t replyMsgID, uint8_t * buf, size_t len)
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{
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LogPrint ("VariableTunnelBuildReplyMsg replyMsgID=", replyMsgID);
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i2p::tunnel::Tunnel * tunnel = i2p::tunnel::tunnels.GetPendingTunnel (replyMsgID);
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if (tunnel)
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{
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// reply for outbound tunnel
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if (tunnel->HandleTunnelBuildResponse (buf, len))
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{
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LogPrint ("Outbound tunnel ", tunnel->GetTunnelID (), " has been created");
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tunnel->SetState (i2p::tunnel::eTunnelStateEstablished);
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i2p::tunnel::tunnels.AddOutboundTunnel (static_cast<i2p::tunnel::OutboundTunnel *>(tunnel));
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}
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else
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{
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LogPrint ("Outbound tunnel ", tunnel->GetTunnelID (), " has been declined");
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tunnel->SetState (i2p::tunnel::eTunnelStateBuildFailed);
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}
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}
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else
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LogPrint ("Pending tunnel for message ", replyMsgID, " not found");
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}
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I2NPMessage * CreateTunnelDataMsg (const uint8_t * buf)
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{
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I2NPMessage * msg = NewI2NPMessage ();
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memcpy (msg->GetPayload (), buf, i2p::tunnel::TUNNEL_DATA_MSG_SIZE);
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msg->len += i2p::tunnel::TUNNEL_DATA_MSG_SIZE;
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FillI2NPMessageHeader (msg, eI2NPTunnelData);
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return msg;
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}
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I2NPMessage * CreateTunnelDataMsg (uint32_t tunnelID, const uint8_t * payload)
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{
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I2NPMessage * msg = NewI2NPMessage ();
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memcpy (msg->GetPayload () + 4, payload, i2p::tunnel::TUNNEL_DATA_MSG_SIZE - 4);
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htobe32buf (msg->GetPayload (), tunnelID);
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msg->len += i2p::tunnel::TUNNEL_DATA_MSG_SIZE;
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FillI2NPMessageHeader (msg, eI2NPTunnelData);
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return msg;
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}
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I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, const uint8_t * buf, size_t len)
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{
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I2NPMessage * msg = NewI2NPMessage (len);
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uint8_t * payload = msg->GetPayload ();
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htobe32buf (payload + TUNNEL_GATEWAY_HEADER_TUNNELID_OFFSET, tunnelID);
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htobe16buf (payload + TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET, len);
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memcpy (payload + TUNNEL_GATEWAY_HEADER_SIZE, buf, len);
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msg->len += TUNNEL_GATEWAY_HEADER_SIZE + len;
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FillI2NPMessageHeader (msg, eI2NPTunnelGateway);
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return msg;
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}
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I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, I2NPMessage * msg)
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{
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if (msg->offset >= I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE)
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{
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// message is capable to be used without copying
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uint8_t * payload = msg->GetBuffer () - TUNNEL_GATEWAY_HEADER_SIZE;
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htobe32buf (payload + TUNNEL_GATEWAY_HEADER_TUNNELID_OFFSET, tunnelID);
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int len = msg->GetLength ();
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htobe16buf (payload + TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET, len);
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msg->offset -= (I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE);
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msg->len = msg->offset + I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE +len;
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FillI2NPMessageHeader (msg, eI2NPTunnelGateway);
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return msg;
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}
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else
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{
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I2NPMessage * msg1 = CreateTunnelGatewayMsg (tunnelID, msg->GetBuffer (), msg->GetLength ());
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DeleteI2NPMessage (msg);
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return msg1;
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}
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}
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I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, I2NPMessageType msgType,
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const uint8_t * buf, size_t len, uint32_t replyMsgID)
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{
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I2NPMessage * msg = NewI2NPMessage (len);
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size_t gatewayMsgOffset = I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE;
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msg->offset += gatewayMsgOffset;
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msg->len += gatewayMsgOffset;
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memcpy (msg->GetPayload (), buf, len);
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msg->len += len;
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FillI2NPMessageHeader (msg, msgType, replyMsgID); // create content message
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len = msg->GetLength ();
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msg->offset -= gatewayMsgOffset;
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uint8_t * payload = msg->GetPayload ();
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htobe32buf (payload + TUNNEL_GATEWAY_HEADER_TUNNELID_OFFSET, tunnelID);
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htobe16buf (payload + TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET, len);
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FillI2NPMessageHeader (msg, eI2NPTunnelGateway); // gateway message
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return msg;
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}
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void HandleTunnelGatewayMsg (I2NPMessage * msg)
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{
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const uint8_t * payload = msg->GetPayload ();
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uint32_t tunnelID = bufbe32toh(payload + TUNNEL_GATEWAY_HEADER_TUNNELID_OFFSET);
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uint16_t len = bufbe16toh(payload + TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET);
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// we make payload as new I2NP message to send
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msg->offset += I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE;
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msg->len = msg->offset + len;
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auto typeID = msg->GetTypeID ();
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LogPrint ("TunnelGateway of ", (int)len, " bytes for tunnel ", (unsigned int)tunnelID, ". Msg type ", (int)typeID);
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if (typeID == eI2NPDatabaseStore || typeID == eI2NPDatabaseSearchReply)
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{
|
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// transit DatabaseStore my contain new/updated RI
|
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// or DatabaseSearchReply with new routers
|
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auto ds = NewI2NPMessage ();
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*ds = *msg;
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i2p::data::netdb.PostI2NPMsg (ds);
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}
|
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i2p::tunnel::TransitTunnel * tunnel = i2p::tunnel::tunnels.GetTransitTunnel (tunnelID);
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if (tunnel)
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tunnel->SendTunnelDataMsg (msg);
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else
|
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{
|
|
LogPrint ("Tunnel ", (unsigned int)tunnelID, " not found");
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i2p::DeleteI2NPMessage (msg);
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}
|
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}
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|
|
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size_t GetI2NPMessageLength (const uint8_t * msg)
|
|
{
|
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return bufbe16toh (msg + I2NP_HEADER_SIZE_OFFSET) + I2NP_HEADER_SIZE;
|
|
}
|
|
|
|
void HandleI2NPMessage (uint8_t * msg, size_t len)
|
|
{
|
|
uint8_t typeID = msg[I2NP_HEADER_TYPEID_OFFSET];
|
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uint32_t msgID = bufbe32toh (msg + I2NP_HEADER_MSGID_OFFSET);
|
|
LogPrint ("I2NP msg received len=", len,", type=", (int)typeID, ", msgID=", (unsigned int)msgID);
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|
|
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uint8_t * buf = msg + I2NP_HEADER_SIZE;
|
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int size = bufbe16toh (msg + I2NP_HEADER_SIZE_OFFSET);
|
|
switch (typeID)
|
|
{
|
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case eI2NPVariableTunnelBuild:
|
|
LogPrint ("VariableTunnelBuild");
|
|
HandleVariableTunnelBuildMsg (msgID, buf, size);
|
|
break;
|
|
case eI2NPVariableTunnelBuildReply:
|
|
LogPrint ("VariableTunnelBuildReply");
|
|
HandleVariableTunnelBuildReplyMsg (msgID, buf, size);
|
|
break;
|
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case eI2NPTunnelBuild:
|
|
LogPrint ("TunnelBuild");
|
|
HandleTunnelBuildMsg (buf, size);
|
|
break;
|
|
case eI2NPTunnelBuildReply:
|
|
LogPrint ("TunnelBuildReply");
|
|
// TODO:
|
|
break;
|
|
default:
|
|
LogPrint ("Unexpected message ", (int)typeID);
|
|
}
|
|
}
|
|
|
|
void HandleI2NPMessage (I2NPMessage * msg)
|
|
{
|
|
if (msg)
|
|
{
|
|
switch (msg->GetTypeID ())
|
|
{
|
|
case eI2NPTunnelData:
|
|
LogPrint ("TunnelData");
|
|
i2p::tunnel::tunnels.PostTunnelData (msg);
|
|
break;
|
|
case eI2NPTunnelGateway:
|
|
LogPrint ("TunnelGateway");
|
|
HandleTunnelGatewayMsg (msg);
|
|
break;
|
|
case eI2NPGarlic:
|
|
LogPrint ("Garlic");
|
|
if (msg->from)
|
|
{
|
|
if (msg->from->GetTunnelPool ())
|
|
msg->from->GetTunnelPool ()->ProcessGarlicMessage (msg);
|
|
else
|
|
{
|
|
LogPrint (eLogInfo, "Local destination for garlic doesn't exist anymore");
|
|
DeleteI2NPMessage (msg);
|
|
}
|
|
}
|
|
else
|
|
i2p::context.ProcessGarlicMessage (msg);
|
|
break;
|
|
case eI2NPDatabaseStore:
|
|
case eI2NPDatabaseSearchReply:
|
|
case eI2NPDatabaseLookup:
|
|
// forward to netDb
|
|
i2p::data::netdb.PostI2NPMsg (msg);
|
|
break;
|
|
case eI2NPDeliveryStatus:
|
|
LogPrint ("DeliveryStatus");
|
|
if (msg->from && msg->from->GetTunnelPool ())
|
|
msg->from->GetTunnelPool ()->ProcessDeliveryStatus (msg);
|
|
else
|
|
i2p::context.ProcessDeliveryStatusMessage (msg);
|
|
break;
|
|
default:
|
|
HandleI2NPMessage (msg->GetBuffer (), msg->GetLength ());
|
|
DeleteI2NPMessage (msg);
|
|
}
|
|
}
|
|
}
|
|
|
|
I2NPMessagesHandler::~I2NPMessagesHandler ()
|
|
{
|
|
Flush ();
|
|
}
|
|
|
|
void I2NPMessagesHandler::PutNextMessage (I2NPMessage * msg)
|
|
{
|
|
if (msg)
|
|
{
|
|
if (msg->GetTypeID () == eI2NPTunnelData)
|
|
{
|
|
LogPrint ("TunnelData");
|
|
m_TunnelMsgs.push_back (msg);
|
|
}
|
|
else
|
|
HandleI2NPMessage (msg);
|
|
}
|
|
}
|
|
|
|
void I2NPMessagesHandler::Flush ()
|
|
{
|
|
if (!m_TunnelMsgs.empty ())
|
|
{
|
|
i2p::tunnel::tunnels.PostTunnelData (m_TunnelMsgs);
|
|
m_TunnelMsgs.clear ();
|
|
}
|
|
}
|
|
}
|