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limit stream's inbound speed

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orignal 2024-08-17 17:11:28 -04:00
parent 41dd8b527d
commit fb8e0e1b5b
5 changed files with 53 additions and 5 deletions
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4
libi2pd/Destination.cpp
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@ -980,6 +980,7 @@ namespace client
LeaseSetDestination (service, isPublic, params),
m_Keys (keys), m_StreamingAckDelay (DEFAULT_INITIAL_ACK_DELAY),
m_StreamingOutboundSpeed (DEFAULT_MAX_OUTBOUND_SPEED),
m_StreamingInboundSpeed (DEFAULT_MAX_INBOUND_SPEED),
m_IsStreamingAnswerPings (DEFAULT_ANSWER_PINGS), m_LastPort (0),
m_DatagramDestination (nullptr), m_RefCounter (0), m_LastPublishedTimestamp (0),
m_ReadyChecker(service)
@ -1051,6 +1052,9 @@ namespace client
it = params->find (I2CP_PARAM_STREAMING_MAX_OUTBOUND_SPEED);
if (it != params->end ())
m_StreamingOutboundSpeed = std::stoi(it->second);
it = params->find (I2CP_PARAM_STREAMING_MAX_INBOUND_SPEED);
if (it != params->end ())
m_StreamingInboundSpeed = std::stoi(it->second);
it = params->find (I2CP_PARAM_STREAMING_ANSWER_PINGS);
if (it != params->end ())
m_IsStreamingAnswerPings = std::stoi (it->second); // 1 for true

4
libi2pd/Destination.h
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@ -86,6 +86,8 @@ namespace client
const int DEFAULT_INITIAL_ACK_DELAY = 200; // milliseconds
const char I2CP_PARAM_STREAMING_MAX_OUTBOUND_SPEED[] = "i2p.streaming.maxOutboundSpeed"; // bytes/sec
const int DEFAULT_MAX_OUTBOUND_SPEED = 1730000000; // no more than 1.73 Gbytes/s
const char I2CP_PARAM_STREAMING_MAX_INBOUND_SPEED[] = "i2p.streaming.maxInboundSpeed"; // bytes/sec
const int DEFAULT_MAX_INBOUND_SPEED = 1730000000; // no more than 1.73 Gbytes/s
const char I2CP_PARAM_STREAMING_ANSWER_PINGS[] = "i2p.streaming.answerPings";
const int DEFAULT_ANSWER_PINGS = true;
@ -262,6 +264,7 @@ namespace client
void AcceptOnce (const i2p::stream::StreamingDestination::Acceptor& acceptor);
int GetStreamingAckDelay () const { return m_StreamingAckDelay; }
int GetStreamingOutboundSpeed () const { return m_StreamingOutboundSpeed; }
int GetStreamingInboundSpeed () const { return m_StreamingInboundSpeed; }
bool IsStreamingAnswerPings () const { return m_IsStreamingAnswerPings; }
// datagram
@ -300,6 +303,7 @@ namespace client
int m_StreamingAckDelay;
int m_StreamingOutboundSpeed;
int m_StreamingInboundSpeed;
bool m_IsStreamingAnswerPings;
std::shared_ptr<i2p::stream::StreamingDestination> m_StreamingDestination; // default
std::map<uint16_t, std::shared_ptr<i2p::stream::StreamingDestination> > m_StreamingDestinationsByPorts;

47
libi2pd/Streaming.cpp
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@ -70,6 +70,7 @@ namespace stream
std::shared_ptr<const i2p::data::LeaseSet> remote, int port): m_Service (service),
m_SendStreamID (0), m_SequenceNumber (0),
m_TunnelsChangeSequenceNumber (0), m_LastReceivedSequenceNumber (-1), m_PreviousReceivedSequenceNumber (-1),
m_LastConfirmedReceivedSequenceNumber (0), // for limit inbound speed
m_Status (eStreamStatusNew), m_IsAckSendScheduled (false), m_IsNAcked (false), m_IsFirstACK (false),
m_IsResendNeeded (false), m_IsFirstRttSample (false), m_IsSendTime (true), m_IsWinDropped (true),
m_IsTimeOutResend (false), m_LocalDestination (local),
@ -78,18 +79,25 @@ namespace stream
m_RTT (INITIAL_RTT), m_SlowRTT (INITIAL_RTT), m_WindowSize (INITIAL_WINDOW_SIZE), m_LastWindowDropSize (0), m_WindowIncCounter (0), m_RTO (INITIAL_RTO),
m_AckDelay (local.GetOwner ()->GetStreamingAckDelay ()), m_PrevRTTSample (INITIAL_RTT),
m_PrevRTT (INITIAL_RTT), m_Jitter (0), m_MinPacingTime (0),
m_PacingTime (INITIAL_PACING_TIME), m_PacingTimeRem (0), m_DropWindowDelayTime (0), m_NumResendAttempts (0), m_MTU (STREAMING_MTU)
m_PacingTime (INITIAL_PACING_TIME), m_PacingTimeRem (0), m_DropWindowDelayTime (0),
m_LastACKSendTime (0), m_PacketACKInterval (1), m_PacketACKIntervalRem (0), // for limit inbound speed
m_NumResendAttempts (0), m_MTU (STREAMING_MTU)
{
RAND_bytes ((uint8_t *)&m_RecvStreamID, 4);
m_RemoteIdentity = remote->GetIdentity ();
auto outboundSpeed = local.GetOwner ()->GetStreamingOutboundSpeed ();
if (outboundSpeed)
m_MinPacingTime = (1000000LL*STREAMING_MTU)/outboundSpeed;
auto inboundSpeed = local.GetOwner ()->GetStreamingInboundSpeed (); // for limit inbound speed
if (inboundSpeed)
m_PacketACKInterval = (1000000LL*STREAMING_MTU)/inboundSpeed;
}
Stream::Stream (boost::asio::io_service& service, StreamingDestination& local):
m_Service (service), m_SendStreamID (0), m_SequenceNumber (0),
m_TunnelsChangeSequenceNumber (0), m_LastReceivedSequenceNumber (-1), m_PreviousReceivedSequenceNumber (-1),
m_LastConfirmedReceivedSequenceNumber (0), // for limit inbound speed
m_Status (eStreamStatusNew), m_IsAckSendScheduled (false), m_IsNAcked (false), m_IsFirstACK (false),
m_IsResendNeeded (false), m_IsFirstRttSample (false), m_IsSendTime (true), m_IsWinDropped (true),
m_IsTimeOutResend (false), m_LocalDestination (local),
@ -98,12 +106,18 @@ namespace stream
m_WindowSize (INITIAL_WINDOW_SIZE), m_LastWindowDropSize (0), m_WindowIncCounter (0),
m_RTO (INITIAL_RTO), m_AckDelay (local.GetOwner ()->GetStreamingAckDelay ()),
m_PrevRTTSample (INITIAL_RTT), m_PrevRTT (INITIAL_RTT), m_Jitter (0), m_MinPacingTime (0),
m_PacingTime (INITIAL_PACING_TIME), m_PacingTimeRem (0), m_DropWindowDelayTime (0), m_NumResendAttempts (0), m_MTU (STREAMING_MTU)
m_PacingTime (INITIAL_PACING_TIME), m_PacingTimeRem (0), m_DropWindowDelayTime (0),
m_LastACKSendTime (0), m_PacketACKInterval (1), m_PacketACKIntervalRem (0), // for limit inbound speed
m_NumResendAttempts (0), m_MTU (STREAMING_MTU)
{
RAND_bytes ((uint8_t *)&m_RecvStreamID, 4);
auto outboundSpeed = local.GetOwner ()->GetStreamingOutboundSpeed ();
if (outboundSpeed)
m_MinPacingTime = (1000000LL*STREAMING_MTU)/outboundSpeed;
m_MinPacingTime = (1000000LL*STREAMING_MTU)/outboundSpeed;
auto inboundSpeed = local.GetOwner ()->GetStreamingInboundSpeed (); // for limit inbound speed
if (inboundSpeed)
m_PacketACKInterval = (1000000LL*STREAMING_MTU)/inboundSpeed;
}
Stream::~Stream ()
@ -754,10 +768,26 @@ namespace stream
void Stream::SendQuickAck ()
{
int32_t lastReceivedSeqn = m_LastReceivedSequenceNumber;
// for limit inbound speed
auto ts = i2p::util::GetMillisecondsSinceEpoch ();
int numPackets = 0;
int64_t passedTime = m_PacketACKInterval * INITIAL_WINDOW_SIZE; // in microseconds // while m_LastACKSendTime == 0
if (m_LastACKSendTime)
passedTime = (ts - m_LastACKSendTime)*1000; // in microseconds
numPackets = (passedTime + m_PacketACKIntervalRem) / m_PacketACKInterval;
m_PacketACKIntervalRem = (passedTime + m_PacketACKIntervalRem) - (numPackets * m_PacketACKInterval);
if (m_LastConfirmedReceivedSequenceNumber + numPackets < m_LastReceivedSequenceNumber)
lastReceivedSeqn = m_LastConfirmedReceivedSequenceNumber + numPackets;
if (numPackets == 0) return;
// for limit inbound speed
if (!m_SavedPackets.empty ())
{
int32_t seqn = (*m_SavedPackets.rbegin ())->GetSeqn ();
if (seqn > lastReceivedSeqn) lastReceivedSeqn = seqn;
for (auto it: m_SavedPackets)
{
auto seqn = it->GetSeqn ();
if (m_LastConfirmedReceivedSequenceNumber + numPackets < int(seqn)) break; // for limit inbound speed
if (seqn > lastReceivedSeqn) lastReceivedSeqn = seqn;
}
}
if (lastReceivedSeqn < 0)
{
@ -786,6 +816,11 @@ namespace stream
for (auto it: m_SavedPackets)
{
auto seqn = it->GetSeqn ();
if (m_LastConfirmedReceivedSequenceNumber + numPackets < int(seqn)) // for limit inbound speed
{
htobe32buf (packet + 12, nextSeqn - 1);
break;
}
if (numNacks + (seqn - nextSeqn) >= 256)
{
LogPrint (eLogError, "Streaming: Number of NACKs exceeds 256. seqn=", seqn, " nextSeqn=", nextSeqn);
@ -827,6 +862,8 @@ namespace stream
p.len = size;
SendPackets (std::vector<Packet *> { &p });
m_LastACKSendTime = ts; // for limit inbound speed
m_LastConfirmedReceivedSequenceNumber = lastReceivedSeqn; // for limit inbound speed
LogPrint (eLogDebug, "Streaming: Quick Ack sent. ", (int)numNacks, " NACKs");
}

2
libi2pd/Streaming.h
View File

@ -249,6 +249,7 @@ namespace stream
uint32_t m_TunnelsChangeSequenceNumber;
int32_t m_LastReceivedSequenceNumber;
int32_t m_PreviousReceivedSequenceNumber;
int32_t m_LastConfirmedReceivedSequenceNumber; // for limit inbound speed
StreamStatus m_Status;
bool m_IsAckSendScheduled;
bool m_IsNAcked;
@ -277,6 +278,7 @@ namespace stream
float m_WindowSize, m_LastWindowDropSize;
int m_WindowIncCounter, m_RTO, m_AckDelay, m_PrevRTTSample, m_PrevRTT, m_Jitter;
uint64_t m_MinPacingTime, m_PacingTime, m_PacingTimeRem, m_DropWindowDelayTime, m_LastSendTime; // microseconds
uint64_t m_LastACKSendTime, m_PacketACKInterval, m_PacketACKIntervalRem; // for limit inbound speed
int m_NumResendAttempts, m_NumPacketsToSend;
size_t m_MTU;
};

1
libi2pd_client/ClientContext.cpp
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@ -472,6 +472,7 @@ namespace client
options[I2CP_PARAM_MAX_TUNNEL_LATENCY] = GetI2CPOption(section, I2CP_PARAM_MAX_TUNNEL_LATENCY, DEFAULT_MAX_TUNNEL_LATENCY);
options[I2CP_PARAM_STREAMING_INITIAL_ACK_DELAY] = GetI2CPOption(section, I2CP_PARAM_STREAMING_INITIAL_ACK_DELAY, DEFAULT_INITIAL_ACK_DELAY);
options[I2CP_PARAM_STREAMING_MAX_OUTBOUND_SPEED] = GetI2CPOption(section, I2CP_PARAM_STREAMING_MAX_OUTBOUND_SPEED, DEFAULT_MAX_OUTBOUND_SPEED);
options[I2CP_PARAM_STREAMING_MAX_INBOUND_SPEED] = GetI2CPOption(section, I2CP_PARAM_STREAMING_MAX_INBOUND_SPEED, DEFAULT_MAX_INBOUND_SPEED);
options[I2CP_PARAM_STREAMING_ANSWER_PINGS] = GetI2CPOption(section, I2CP_PARAM_STREAMING_ANSWER_PINGS, isServer ? DEFAULT_ANSWER_PINGS : false);
options[I2CP_PARAM_LEASESET_TYPE] = GetI2CPOption(section, I2CP_PARAM_LEASESET_TYPE, DEFAULT_LEASESET_TYPE);
std::string encType = GetI2CPStringOption(section, I2CP_PARAM_LEASESET_ENCRYPTION_TYPE, "0,4");