mirror of https://github.com/PurpleI2P/i2pd.git
I2P: End-to-End encrypted and anonymous Internet
https://i2pd.website/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
335 lines
15 KiB
335 lines
15 KiB
/* |
|
* Copyright (c) 2013-2024, The PurpleI2P Project |
|
* |
|
* This file is part of Purple i2pd project and licensed under BSD3 |
|
* |
|
* See full license text in LICENSE file at top of project tree |
|
*/ |
|
|
|
#ifndef I2NP_PROTOCOL_H__ |
|
#define I2NP_PROTOCOL_H__ |
|
|
|
#include <inttypes.h> |
|
#include <string.h> |
|
#include <set> |
|
#include <memory> |
|
#include <functional> |
|
#include "Crypto.h" |
|
#include "I2PEndian.h" |
|
#include "Identity.h" |
|
#include "RouterInfo.h" |
|
#include "LeaseSet.h" |
|
|
|
namespace i2p |
|
{ |
|
// I2NP header |
|
const size_t I2NP_HEADER_TYPEID_OFFSET = 0; |
|
const size_t I2NP_HEADER_MSGID_OFFSET = I2NP_HEADER_TYPEID_OFFSET + 1; |
|
const size_t I2NP_HEADER_EXPIRATION_OFFSET = I2NP_HEADER_MSGID_OFFSET + 4; |
|
const size_t I2NP_HEADER_SIZE_OFFSET = I2NP_HEADER_EXPIRATION_OFFSET + 8; |
|
const size_t I2NP_HEADER_CHKS_OFFSET = I2NP_HEADER_SIZE_OFFSET + 2; |
|
const size_t I2NP_HEADER_SIZE = I2NP_HEADER_CHKS_OFFSET + 1; |
|
|
|
// I2NP short header |
|
const size_t I2NP_SHORT_HEADER_TYPEID_OFFSET = 0; |
|
const size_t I2NP_SHORT_HEADER_EXPIRATION_OFFSET = I2NP_SHORT_HEADER_TYPEID_OFFSET + 1; |
|
const size_t I2NP_SHORT_HEADER_SIZE = I2NP_SHORT_HEADER_EXPIRATION_OFFSET + 4; |
|
|
|
// I2NP NTCP2 header |
|
const size_t I2NP_NTCP2_HEADER_SIZE = I2NP_HEADER_EXPIRATION_OFFSET + 4; |
|
|
|
// Tunnel Gateway header |
|
const size_t TUNNEL_GATEWAY_HEADER_TUNNELID_OFFSET = 0; |
|
const size_t TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET = TUNNEL_GATEWAY_HEADER_TUNNELID_OFFSET + 4; |
|
const size_t TUNNEL_GATEWAY_HEADER_SIZE = TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET + 2; |
|
|
|
// DeliveryStatus |
|
const size_t DELIVERY_STATUS_MSGID_OFFSET = 0; |
|
const size_t DELIVERY_STATUS_TIMESTAMP_OFFSET = DELIVERY_STATUS_MSGID_OFFSET + 4; |
|
const size_t DELIVERY_STATUS_SIZE = DELIVERY_STATUS_TIMESTAMP_OFFSET + 8; |
|
|
|
// TunnelTest |
|
const size_t TUNNEL_TEST_MSGID_OFFSET = 0; |
|
const size_t TUNNEL_TEST_TIMESTAMP_OFFSET = TUNNEL_TEST_MSGID_OFFSET + 4; |
|
const size_t TUNNEL_TEST_SIZE = TUNNEL_TEST_TIMESTAMP_OFFSET + 8; |
|
|
|
// DatabaseStore |
|
const size_t DATABASE_STORE_KEY_OFFSET = 0; |
|
const size_t DATABASE_STORE_TYPE_OFFSET = DATABASE_STORE_KEY_OFFSET + 32; |
|
const size_t DATABASE_STORE_REPLY_TOKEN_OFFSET = DATABASE_STORE_TYPE_OFFSET + 1; |
|
const size_t DATABASE_STORE_HEADER_SIZE = DATABASE_STORE_REPLY_TOKEN_OFFSET + 4; |
|
|
|
// TunnelBuild |
|
const size_t TUNNEL_BUILD_RECORD_SIZE = 528; |
|
const size_t SHORT_TUNNEL_BUILD_RECORD_SIZE = 218; |
|
|
|
// BuildRequestRecordEncrypted |
|
const size_t BUILD_REQUEST_RECORD_TO_PEER_OFFSET = 0; |
|
const size_t BUILD_REQUEST_RECORD_ENCRYPTED_OFFSET = BUILD_REQUEST_RECORD_TO_PEER_OFFSET + 16; |
|
|
|
// ECIES BuildRequestRecordClearText |
|
const size_t ECIES_BUILD_REQUEST_RECORD_RECEIVE_TUNNEL_OFFSET = 0; |
|
const size_t ECIES_BUILD_REQUEST_RECORD_NEXT_TUNNEL_OFFSET = ECIES_BUILD_REQUEST_RECORD_RECEIVE_TUNNEL_OFFSET + 4; |
|
const size_t ECIES_BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET = ECIES_BUILD_REQUEST_RECORD_NEXT_TUNNEL_OFFSET + 4; |
|
const size_t ECIES_BUILD_REQUEST_RECORD_LAYER_KEY_OFFSET = ECIES_BUILD_REQUEST_RECORD_NEXT_IDENT_OFFSET + 32; |
|
const size_t ECIES_BUILD_REQUEST_RECORD_IV_KEY_OFFSET = ECIES_BUILD_REQUEST_RECORD_LAYER_KEY_OFFSET + 32; |
|
const size_t ECIES_BUILD_REQUEST_RECORD_REPLY_KEY_OFFSET = ECIES_BUILD_REQUEST_RECORD_IV_KEY_OFFSET + 32; |
|
const size_t ECIES_BUILD_REQUEST_RECORD_REPLY_IV_OFFSET = ECIES_BUILD_REQUEST_RECORD_REPLY_KEY_OFFSET + 32; |
|
const size_t ECIES_BUILD_REQUEST_RECORD_FLAG_OFFSET = ECIES_BUILD_REQUEST_RECORD_REPLY_IV_OFFSET + 16; |
|
const size_t ECIES_BUILD_REQUEST_RECORD_MORE_FLAGS_OFFSET = ECIES_BUILD_REQUEST_RECORD_FLAG_OFFSET + 1; |
|
const size_t ECIES_BUILD_REQUEST_RECORD_REQUEST_TIME_OFFSET = ECIES_BUILD_REQUEST_RECORD_MORE_FLAGS_OFFSET + 3; |
|
const size_t ECIES_BUILD_REQUEST_RECORD_REQUEST_EXPIRATION_OFFSET = ECIES_BUILD_REQUEST_RECORD_REQUEST_TIME_OFFSET + 4; |
|
const size_t ECIES_BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET = ECIES_BUILD_REQUEST_RECORD_REQUEST_EXPIRATION_OFFSET + 4; |
|
const size_t ECIES_BUILD_REQUEST_RECORD_PADDING_OFFSET = ECIES_BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET + 4; |
|
const size_t ECIES_BUILD_REQUEST_RECORD_CLEAR_TEXT_SIZE = 464; |
|
|
|
// ECIES BuildResponseRecord |
|
const size_t ECIES_BUILD_RESPONSE_RECORD_OPTIONS_OFFSET = 0; |
|
const size_t ECIES_BUILD_RESPONSE_RECORD_RET_OFFSET = 511; |
|
|
|
// ShortRequestRecordClearText |
|
const size_t SHORT_REQUEST_RECORD_ENCRYPTED_OFFSET = 16; |
|
const size_t SHORT_REQUEST_RECORD_RECEIVE_TUNNEL_OFFSET = 0; |
|
const size_t SHORT_REQUEST_RECORD_NEXT_TUNNEL_OFFSET = SHORT_REQUEST_RECORD_RECEIVE_TUNNEL_OFFSET + 4; |
|
const size_t SHORT_REQUEST_RECORD_NEXT_IDENT_OFFSET = SHORT_REQUEST_RECORD_NEXT_TUNNEL_OFFSET + 4; |
|
const size_t SHORT_REQUEST_RECORD_FLAG_OFFSET = SHORT_REQUEST_RECORD_NEXT_IDENT_OFFSET + 32; |
|
const size_t SHORT_REQUEST_RECORD_MORE_FLAGS_OFFSET = SHORT_REQUEST_RECORD_FLAG_OFFSET + 1; |
|
const size_t SHORT_REQUEST_RECORD_LAYER_ENCRYPTION_TYPE = SHORT_REQUEST_RECORD_MORE_FLAGS_OFFSET + 2; |
|
const size_t SHORT_REQUEST_RECORD_REQUEST_TIME_OFFSET = SHORT_REQUEST_RECORD_LAYER_ENCRYPTION_TYPE + 1; |
|
const size_t SHORT_REQUEST_RECORD_REQUEST_EXPIRATION_OFFSET = SHORT_REQUEST_RECORD_REQUEST_TIME_OFFSET + 4; |
|
const size_t SHORT_REQUEST_RECORD_SEND_MSG_ID_OFFSET = SHORT_REQUEST_RECORD_REQUEST_EXPIRATION_OFFSET + 4; |
|
const size_t SHORT_REQUEST_RECORD_PADDING_OFFSET = SHORT_REQUEST_RECORD_SEND_MSG_ID_OFFSET + 4; |
|
const size_t SHORT_REQUEST_RECORD_CLEAR_TEXT_SIZE = 154; |
|
|
|
// ShortResponseRecord |
|
const size_t SHORT_RESPONSE_RECORD_OPTIONS_OFFSET = 0; |
|
const size_t SHORT_RESPONSE_RECORD_RET_OFFSET = 201; |
|
|
|
enum I2NPMessageType |
|
{ |
|
eI2NPDummyMsg = 0, |
|
eI2NPDatabaseStore = 1, |
|
eI2NPDatabaseLookup = 2, |
|
eI2NPDatabaseSearchReply = 3, |
|
eI2NPDeliveryStatus = 10, |
|
eI2NPGarlic = 11, |
|
eI2NPTunnelData = 18, |
|
eI2NPTunnelGateway = 19, |
|
eI2NPData = 20, |
|
eI2NPTunnelBuild = 21, |
|
eI2NPTunnelBuildReply = 22, |
|
eI2NPVariableTunnelBuild = 23, |
|
eI2NPVariableTunnelBuildReply = 24, |
|
eI2NPShortTunnelBuild = 25, |
|
eI2NPShortTunnelBuildReply = 26, |
|
eI2NPTunnelTest = 231 |
|
}; |
|
|
|
const uint8_t TUNNEL_BUILD_RECORD_GATEWAY_FLAG = 0x80; |
|
const uint8_t TUNNEL_BUILD_RECORD_ENDPOINT_FLAG = 0x40; |
|
const int NUM_TUNNEL_BUILD_RECORDS = 8; |
|
|
|
// DatabaseLookup flags |
|
const uint8_t DATABASE_LOOKUP_DELIVERY_FLAG = 0x01; |
|
const uint8_t DATABASE_LOOKUP_ENCRYPTION_FLAG = 0x02; |
|
const uint8_t DATABASE_LOOKUP_ECIES_FLAG = 0x10; |
|
const uint8_t DATABASE_LOOKUP_TYPE_FLAGS_MASK = 0x0C; |
|
const uint8_t DATABASE_LOOKUP_TYPE_NORMAL_LOOKUP = 0; |
|
const uint8_t DATABASE_LOOKUP_TYPE_LEASESET_LOOKUP = 0x04; // 0100 |
|
const uint8_t DATABASE_LOOKUP_TYPE_ROUTERINFO_LOOKUP = 0x08; // 1000 |
|
const uint8_t DATABASE_LOOKUP_TYPE_EXPLORATORY_LOOKUP = 0x0C; // 1100 |
|
|
|
namespace tunnel |
|
{ |
|
class InboundTunnel; |
|
class TunnelPool; |
|
} |
|
|
|
const int CONGESTION_LEVEL_MEDIUM = 70; |
|
const int CONGESTION_LEVEL_HIGH = 90; |
|
const int CONGESTION_LEVEL_FULL = 100; |
|
|
|
const size_t I2NP_MAX_MESSAGE_SIZE = 62708; |
|
const size_t I2NP_MAX_SHORT_MESSAGE_SIZE = 4096; |
|
const size_t I2NP_MAX_MEDIUM_MESSAGE_SIZE = 16384; |
|
const unsigned int I2NP_MESSAGE_LOCAL_EXPIRATION_TIMEOUT = 2000000; // in microseconds |
|
const unsigned int I2NP_MESSAGE_EXPIRATION_TIMEOUT = 8000; // in milliseconds (as initial RTT) |
|
const unsigned int I2NP_MESSAGE_CLOCK_SKEW = 60*1000; // 1 minute in milliseconds |
|
|
|
struct I2NPMessage |
|
{ |
|
uint8_t * buf; |
|
size_t len, offset, maxLen; |
|
std::shared_ptr<i2p::tunnel::InboundTunnel> from; |
|
std::function<void ()> onDrop; |
|
uint64_t localExpiration; // monotonic microseconds |
|
|
|
I2NPMessage (): buf (nullptr), len (I2NP_HEADER_SIZE + 2), |
|
offset(2), maxLen (0), from (nullptr), localExpiration(0) {}; // reserve 2 bytes for NTCP header |
|
|
|
// header accessors |
|
uint8_t * GetHeader () { return GetBuffer (); }; |
|
const uint8_t * GetHeader () const { return GetBuffer (); }; |
|
void SetTypeID (uint8_t typeID) { GetHeader ()[I2NP_HEADER_TYPEID_OFFSET] = typeID; }; |
|
uint8_t GetTypeID () const { return GetHeader ()[I2NP_HEADER_TYPEID_OFFSET]; }; |
|
void SetMsgID (uint32_t msgID) { htobe32buf (GetHeader () + I2NP_HEADER_MSGID_OFFSET, msgID); }; |
|
uint32_t GetMsgID () const { return bufbe32toh (GetHeader () + I2NP_HEADER_MSGID_OFFSET); }; |
|
void SetExpiration (uint64_t expiration) { htobe64buf (GetHeader () + I2NP_HEADER_EXPIRATION_OFFSET, expiration); }; |
|
void SetLocalExpiration (uint64_t expiration) { localExpiration = expiration; }; |
|
uint64_t GetExpiration () const { return bufbe64toh (GetHeader () + I2NP_HEADER_EXPIRATION_OFFSET); }; |
|
void SetSize (uint16_t size) { htobe16buf (GetHeader () + I2NP_HEADER_SIZE_OFFSET, size); }; |
|
uint16_t GetSize () const { return bufbe16toh (GetHeader () + I2NP_HEADER_SIZE_OFFSET); }; |
|
void UpdateSize () { SetSize (GetPayloadLength ()); }; |
|
void SetChks (uint8_t chks) { GetHeader ()[I2NP_HEADER_CHKS_OFFSET] = chks; }; |
|
void UpdateChks () |
|
{ |
|
uint8_t hash[32]; |
|
SHA256(GetPayload (), GetPayloadLength (), hash); |
|
GetHeader ()[I2NP_HEADER_CHKS_OFFSET] = hash[0]; |
|
} |
|
|
|
// payload |
|
uint8_t * GetPayload () { return GetBuffer () + I2NP_HEADER_SIZE; }; |
|
const uint8_t * GetPayload () const { return GetBuffer () + I2NP_HEADER_SIZE; }; |
|
uint8_t * GetBuffer () { return buf + offset; }; |
|
const uint8_t * GetBuffer () const { return buf + offset; }; |
|
size_t GetLength () const { return len - offset; }; |
|
size_t GetPayloadLength () const { return GetLength () - I2NP_HEADER_SIZE; }; |
|
|
|
void Align (size_t alignment) |
|
{ |
|
if (len + alignment > maxLen) return; |
|
size_t rem = ((size_t)GetBuffer ()) % alignment; |
|
if (rem) |
|
{ |
|
offset += (alignment - rem); |
|
len += (alignment - rem); |
|
} |
|
} |
|
|
|
size_t Concat (const uint8_t * buf1, size_t len1) |
|
{ |
|
// make sure with don't write beyond maxLen |
|
if (len + len1 > maxLen) len1 = maxLen - len; |
|
memcpy (buf + len, buf1, len1); |
|
len += len1; |
|
return len1; |
|
} |
|
|
|
I2NPMessage& operator=(const I2NPMessage& other) |
|
{ |
|
memcpy (buf + offset, other.buf + other.offset, other.GetLength ()); |
|
len = offset + other.GetLength (); |
|
from = other.from; |
|
return *this; |
|
} |
|
|
|
// for SSU only |
|
uint8_t * GetSSUHeader () { return buf + offset + I2NP_HEADER_SIZE - I2NP_SHORT_HEADER_SIZE; }; |
|
void FromSSU (uint32_t msgID) // we have received SSU message and convert it to regular |
|
{ |
|
const uint8_t * ssu = GetSSUHeader (); |
|
GetHeader ()[I2NP_HEADER_TYPEID_OFFSET] = ssu[I2NP_SHORT_HEADER_TYPEID_OFFSET]; // typeid |
|
SetMsgID (msgID); |
|
SetExpiration (bufbe32toh (ssu + I2NP_SHORT_HEADER_EXPIRATION_OFFSET)*1000LL); |
|
SetSize (len - offset - I2NP_HEADER_SIZE); |
|
SetChks (0); |
|
} |
|
uint32_t ToSSU () // return msgID |
|
{ |
|
uint8_t header[I2NP_HEADER_SIZE]; |
|
memcpy (header, GetHeader (), I2NP_HEADER_SIZE); |
|
uint8_t * ssu = GetSSUHeader (); |
|
ssu[I2NP_SHORT_HEADER_TYPEID_OFFSET] = header[I2NP_HEADER_TYPEID_OFFSET]; // typeid |
|
htobe32buf (ssu + I2NP_SHORT_HEADER_EXPIRATION_OFFSET, bufbe64toh (header + I2NP_HEADER_EXPIRATION_OFFSET)/1000LL); |
|
len = offset + I2NP_SHORT_HEADER_SIZE + bufbe16toh (header + I2NP_HEADER_SIZE_OFFSET); |
|
return bufbe32toh (header + I2NP_HEADER_MSGID_OFFSET); |
|
} |
|
// for NTCP2 only |
|
uint8_t * GetNTCP2Header () { return GetPayload () - I2NP_NTCP2_HEADER_SIZE; }; |
|
size_t GetNTCP2Length () const { return GetPayloadLength () + I2NP_NTCP2_HEADER_SIZE; }; |
|
void FromNTCP2 () |
|
{ |
|
const uint8_t * ntcp2 = GetNTCP2Header (); |
|
memcpy (GetHeader () + I2NP_HEADER_TYPEID_OFFSET, ntcp2 + I2NP_HEADER_TYPEID_OFFSET, 5); // typeid + msgid |
|
SetExpiration (bufbe32toh (ntcp2 + I2NP_HEADER_EXPIRATION_OFFSET)*1000LL); |
|
SetSize (len - offset - I2NP_HEADER_SIZE); |
|
SetChks (0); |
|
} |
|
void ToNTCP2 () |
|
{ |
|
uint8_t * ntcp2 = GetNTCP2Header (); |
|
htobe32buf (ntcp2 + I2NP_HEADER_EXPIRATION_OFFSET, bufbe64toh (GetHeader () + I2NP_HEADER_EXPIRATION_OFFSET)/1000LL); |
|
memcpy (ntcp2 + I2NP_HEADER_TYPEID_OFFSET, GetHeader () + I2NP_HEADER_TYPEID_OFFSET, 5); // typeid + msgid |
|
} |
|
|
|
void FillI2NPMessageHeader (I2NPMessageType msgType, uint32_t replyMsgID = 0, bool checksum = true); |
|
void RenewI2NPMessageHeader (); |
|
bool IsExpired () const; |
|
bool IsExpired (uint64_t ts) const; // in milliseconds |
|
bool IsLocalExpired (uint64_t mts) const { return mts > localExpiration; }; // monotonic microseconds |
|
bool IsLocalSemiExpired (uint64_t mts) const { return mts > localExpiration - I2NP_MESSAGE_LOCAL_EXPIRATION_TIMEOUT / 2; }; // monotonic microseconds |
|
|
|
void Drop () { if (onDrop) { onDrop (); onDrop = nullptr; }; } |
|
}; |
|
|
|
template<int sz> |
|
struct I2NPMessageBuffer: public I2NPMessage |
|
{ |
|
I2NPMessageBuffer () { buf = m_Buffer; maxLen = sz; }; |
|
uint8_t m_Buffer[sz + 32]; // 16 alignment + 16 padding |
|
}; |
|
|
|
std::shared_ptr<I2NPMessage> NewI2NPMessage (); |
|
std::shared_ptr<I2NPMessage> NewI2NPShortMessage (); |
|
std::shared_ptr<I2NPMessage> NewI2NPMediumMessage (); |
|
std::shared_ptr<I2NPMessage> NewI2NPTunnelMessage (bool endpoint); |
|
std::shared_ptr<I2NPMessage> NewI2NPMessage (size_t len); |
|
|
|
std::shared_ptr<I2NPMessage> CreateI2NPMessage (I2NPMessageType msgType, const uint8_t * buf, size_t len, uint32_t replyMsgID = 0); |
|
std::shared_ptr<I2NPMessage> CreateI2NPMessage (const uint8_t * buf, size_t len, std::shared_ptr<i2p::tunnel::InboundTunnel> from = nullptr); |
|
std::shared_ptr<I2NPMessage> CopyI2NPMessage (std::shared_ptr<I2NPMessage> msg); |
|
|
|
std::shared_ptr<I2NPMessage> CreateTunnelTestMsg (uint32_t msgID); |
|
std::shared_ptr<I2NPMessage> CreateDeliveryStatusMsg (uint32_t msgID); |
|
std::shared_ptr<I2NPMessage> CreateRouterInfoDatabaseLookupMsg (const uint8_t * key, const uint8_t * from, |
|
uint32_t replyTunnelID, bool exploratory = false, std::set<i2p::data::IdentHash> * excludedPeers = nullptr); |
|
std::shared_ptr<I2NPMessage> CreateLeaseSetDatabaseLookupMsg (const i2p::data::IdentHash& dest, |
|
const std::set<i2p::data::IdentHash>& excludedFloodfills, |
|
std::shared_ptr<const i2p::tunnel::InboundTunnel> replyTunnel, |
|
const uint8_t * replyKey, const uint8_t * replyTag, bool replyECIES = false); |
|
std::shared_ptr<I2NPMessage> CreateDatabaseSearchReply (const i2p::data::IdentHash& ident, std::vector<i2p::data::IdentHash> routers); |
|
|
|
std::shared_ptr<I2NPMessage> CreateDatabaseStoreMsg (std::shared_ptr<const i2p::data::RouterInfo> router = nullptr, uint32_t replyToken = 0, std::shared_ptr<const i2p::tunnel::InboundTunnel> replyTunnel = nullptr); |
|
std::shared_ptr<I2NPMessage> CreateDatabaseStoreMsg (const i2p::data::IdentHash& storeHash, std::shared_ptr<const i2p::data::LeaseSet> leaseSet); // for floodfill only |
|
std::shared_ptr<I2NPMessage> CreateDatabaseStoreMsg (std::shared_ptr<const i2p::data::LocalLeaseSet> leaseSet, uint32_t replyToken = 0, std::shared_ptr<const i2p::tunnel::InboundTunnel> replyTunnel = nullptr); |
|
bool IsRouterInfoMsg (std::shared_ptr<I2NPMessage> msg); |
|
|
|
std::shared_ptr<I2NPMessage> CreateTunnelDataMsg (const uint8_t * buf); |
|
std::shared_ptr<I2NPMessage> CreateTunnelDataMsg (uint32_t tunnelID, const uint8_t * payload); |
|
std::shared_ptr<I2NPMessage> CreateEmptyTunnelDataMsg (bool endpoint); |
|
|
|
std::shared_ptr<I2NPMessage> CreateTunnelGatewayMsg (uint32_t tunnelID, const uint8_t * buf, size_t len); |
|
std::shared_ptr<I2NPMessage> CreateTunnelGatewayMsg (uint32_t tunnelID, I2NPMessageType msgType, |
|
const uint8_t * buf, size_t len, uint32_t replyMsgID = 0); |
|
std::shared_ptr<I2NPMessage> CreateTunnelGatewayMsg (uint32_t tunnelID, std::shared_ptr<I2NPMessage> msg); |
|
|
|
size_t GetI2NPMessageLength (const uint8_t * msg, size_t len); |
|
void HandleTunnelBuildI2NPMessage (std::shared_ptr<I2NPMessage> msg); |
|
void HandleI2NPMessage (std::shared_ptr<I2NPMessage> msg); |
|
|
|
class I2NPMessagesHandler |
|
{ |
|
public: |
|
|
|
~I2NPMessagesHandler (); |
|
void PutNextMessage (std::shared_ptr<I2NPMessage>&& msg); |
|
void Flush (); |
|
|
|
private: |
|
|
|
std::vector<std::shared_ptr<I2NPMessage> > m_TunnelMsgs, m_TunnelGatewayMsgs; |
|
}; |
|
} |
|
|
|
#endif
|
|
|