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Code Issues Releases Activity

shorter ack request interval for datagrams

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orignal 2025-01-08 20:52:38 -05:00
parent c023051fe4
commit 3e3e0e0a62
5 changed files with 25 additions and 18 deletions
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13
libi2pd/Datagram.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2024, The PurpleI2P Project
* Copyright (c) 2013-2025, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
@ -104,8 +104,7 @@ namespace datagram
if (verified)
{
auto h = identity.GetIdentHash();
auto session = ObtainSession(h);
auto session = ObtainSession (identity.GetIdentHash());
session->Ack();
auto r = FindReceiver(toPort);
if(r)
@ -381,8 +380,12 @@ namespace datagram
if (!found)
{
m_RoutingSession = m_LocalDestination->GetRoutingSession(m_RemoteLeaseSet, true);
if (!m_RoutingSession->GetOwner () || !m_RoutingSession->IsReadyToSend ())
m_PendingRoutingSessions.push_back (m_RoutingSession);
if (m_RoutingSession)
{
m_RoutingSession->SetAckRequestInterval (DATAGRAM_SESSION_ACK_REQUEST_INTERVAL);
if (!m_RoutingSession->GetOwner () || !m_RoutingSession->IsReadyToSend ())
m_PendingRoutingSessions.push_back (m_RoutingSession);
}
}
}

3
libi2pd/Datagram.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2024, The PurpleI2P Project
* Copyright (c) 2013-2025, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
@ -44,6 +44,7 @@ namespace datagram
// max 64 messages buffered in send queue for each datagram session
const size_t DATAGRAM_SEND_QUEUE_MAX_SIZE = 64;
const uint64_t DATAGRAM_MAX_FLUSH_INTERVAL = 5; // in milliseconds
const int DATAGRAM_SESSION_ACK_REQUEST_INTERVAL = 5500; // in milliseconds
class DatagramSession : public std::enable_shared_from_this<DatagramSession>
{

4
libi2pd/ECIESX25519AEADRatchetSession.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2024, The PurpleI2P Project
* Copyright (c) 2013-2025, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
@ -913,7 +913,7 @@ namespace garlic
}
}
if (!sendAckRequest && !first &&
((!m_AckRequestMsgID && ts > m_LastAckRequestSendTime + ECIESX25519_ACK_REQUEST_INTERVAL) || // regular request
((!m_AckRequestMsgID && ts > m_LastAckRequestSendTime + m_AckRequestInterval) || // regular request
(m_AckRequestMsgID && ts > m_LastAckRequestSendTime + LEASESET_CONFIRMATION_TIMEOUT))) // previous request failed. try again
{
// not LeaseSet

18
libi2pd/ECIESX25519AEADRatchetSession.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2024, The PurpleI2P Project
* Copyright (c) 2013-2025, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
@ -33,7 +33,7 @@ namespace garlic
const int ECIESX25519_SESSION_CREATE_TIMEOUT = 3; // in seconds, NSR must be send after NS received
const int ECIESX25519_SESSION_ESTABLISH_TIMEOUT = 15; // in seconds
const int ECIESX25519_PREVIOUS_TAGSET_EXPIRATION_TIMEOUT = 180; // in seconds
const int ECIESX25519_ACK_REQUEST_INTERVAL = 33000; // in milliseconds
const int ECIESX25519_DEFAULT_ACK_REQUEST_INTERVAL = 33000; // in milliseconds
const int ECIESX25519_ACK_REQUEST_MAX_NUM_ATTEMPTS = 3;
const int ECIESX25519_TAGSET_MAX_NUM_TAGS = 8192; // number of tags we request new tagset after
const int ECIESX25519_MIN_NUM_GENERATED_TAGS = 24;
@ -164,7 +164,7 @@ namespace garlic
~ECIESX25519AEADRatchetSession ();
bool HandleNextMessage (uint8_t * buf, size_t len, std::shared_ptr<ReceiveRatchetTagSet> receiveTagset, int index = 0);
std::shared_ptr<I2NPMessage> WrapSingleMessage (std::shared_ptr<const I2NPMessage> msg);
std::shared_ptr<I2NPMessage> WrapSingleMessage (std::shared_ptr<const I2NPMessage> msg) override;
std::shared_ptr<I2NPMessage> WrapOneTimeMessage (std::shared_ptr<const I2NPMessage> msg);
const uint8_t * GetRemoteStaticKey () const { return m_RemoteStaticKey; }
@ -180,11 +180,12 @@ namespace garlic
bool CanBeRestarted (uint64_t ts) const { return ts > m_SessionCreatedTimestamp + ECIESX25519_RESTART_TIMEOUT; }
bool IsInactive (uint64_t ts) const { return ts > m_LastActivityTimestamp + ECIESX25519_INACTIVITY_TIMEOUT && CanBeRestarted (ts); }
bool IsRatchets () const { return true; };
bool IsReadyToSend () const { return m_State != eSessionStateNewSessionSent; };
bool IsTerminated () const { return m_IsTerminated; }
uint64_t GetLastActivityTimestamp () const { return m_LastActivityTimestamp; };
bool CleanupUnconfirmedTags (); // return true if unaswered Ack requests, called from I2CP
bool IsRatchets () const override { return true; };
bool IsReadyToSend () const override { return m_State != eSessionStateNewSessionSent; };
bool IsTerminated () const override { return m_IsTerminated; }
uint64_t GetLastActivityTimestamp () const override { return m_LastActivityTimestamp; };
void SetAckRequestInterval (int interval) override { m_AckRequestInterval = interval; };
bool CleanupUnconfirmedTags () override; // return true if unaswered Ack requests, called from I2CP
protected:
@ -235,6 +236,7 @@ namespace garlic
uint64_t m_LastAckRequestSendTime = 0; // milliseconds
uint32_t m_AckRequestMsgID = 0;
int m_AckRequestNumAttempts = 0;
int m_AckRequestInterval = ECIESX25519_DEFAULT_ACK_REQUEST_INTERVAL; // milliseconds
public:

5
libi2pd/Garlic.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2024, The PurpleI2P Project
* Copyright (c) 2013-2025, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
@ -116,7 +116,8 @@ namespace garlic
virtual bool IsReadyToSend () const { return true; };
virtual bool IsTerminated () const { return !GetOwner (); };
virtual uint64_t GetLastActivityTimestamp () const { return 0; }; // non-zero for rathets only
virtual void SetAckRequestInterval (int interval) {}; // in milliseconds, override in ECIESX25519AEADRatchetSession
void SetLeaseSetUpdated ()
{
if (m_LeaseSetUpdateStatus != eLeaseSetDoNotSend) m_LeaseSetUpdateStatus = eLeaseSetUpdated;