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allow 0ms latency for tunnel

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Vort 2024-02-25 22:57:57 +02:00
parent 821a76a7c5
commit d6d440ba8a
4 changed files with 18 additions and 15 deletions
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13
libi2pd/Tunnel.h
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@ -39,6 +39,7 @@ namespace tunnel
const int TUNNEL_CREATION_TIMEOUT = 30; // 30 seconds
const int STANDARD_NUM_RECORDS = 4; // in VariableTunnelBuild message
const int MAX_NUM_RECORDS = 8;
const int UNKNOWN_LATENCY = -1;
const int HIGH_LATENCY_PER_HOP = 250; // in milliseconds
const int MAX_TUNNEL_MSGS_BATCH_SIZE = 100; // handle messages without interrupt
const uint16_t DEFAULT_MAX_NUM_TRANSIT_TUNNELS = 5000;
@ -108,14 +109,14 @@ namespace tunnel
void EncryptTunnelMsg (std::shared_ptr<const I2NPMessage> in, std::shared_ptr<I2NPMessage> out) override;
/** @brief add latency sample */
void AddLatencySample(const uint64_t ms) { m_Latency = (m_Latency + ms) >> 1; }
void AddLatencySample(const int ms) { m_Latency = LatencyIsKnown() ? (m_Latency + ms) >> 1 : ms; }
/** @brief get this tunnel's estimated latency */
uint64_t GetMeanLatency() const { return m_Latency; }
int GetMeanLatency() const { return m_Latency; }
/** @brief return true if this tunnel's latency fits in range [lowerbound, upperbound] */
bool LatencyFitsRange(uint64_t lowerbound, uint64_t upperbound) const;
bool LatencyFitsRange(int lowerbound, int upperbound) const;
bool LatencyIsKnown() const { return m_Latency > 0; }
bool IsSlow () const { return LatencyIsKnown() && (int)m_Latency > HIGH_LATENCY_PER_HOP*GetNumHops (); }
bool LatencyIsKnown() const { return m_Latency != UNKNOWN_LATENCY; }
bool IsSlow () const { return LatencyIsKnown() && m_Latency > HIGH_LATENCY_PER_HOP*GetNumHops (); }
/** visit all hops we currently store */
void VisitTunnelHops(TunnelHopVisitor v);
@ -129,7 +130,7 @@ namespace tunnel
TunnelState m_State;
i2p::data::RouterInfo::CompatibleTransports m_FarEndTransports;
bool m_IsRecreated; // if tunnel is replaced by new, or new tunnel requested to replace
uint64_t m_Latency; // in milliseconds
int m_Latency; // in milliseconds
};
class OutboundTunnel: public Tunnel