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last sample should have more relevance for latency

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orignal 2017-01-01 14:29:39 -05:00
parent 97818c6f32
commit c2e7bc13a6
2 changed files with 11 additions and 51 deletions
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31
Tunnel.cpp
View File

@ -19,36 +19,11 @@
namespace i2p
{
namespace tunnel
{
void TunnelLatency::AddSample(Sample s)
{
std::unique_lock<std::mutex> l(m_access);
m_samples.push_back(s);
}
bool TunnelLatency::HasSamples() const
{
std::unique_lock<std::mutex> l(m_access);
return m_samples.size() > 0;
}
TunnelLatency::Latency TunnelLatency::GetMeanLatency() const
{
std::unique_lock<std::mutex> lock(m_access);
if (m_samples.size() > 0) {
Latency l = 0;
for(auto s : m_samples)
l += s;
return l / m_samples.size();
}
return 0;
}
{
Tunnel::Tunnel (std::shared_ptr<const TunnelConfig> config):
TunnelBase (config->GetTunnelID (), config->GetNextTunnelID (), config->GetNextIdentHash ()),
m_Config (config), m_Pool (nullptr), m_State (eTunnelStatePending), m_IsRecreated (false)
m_Config (config), m_Pool (nullptr), m_State (eTunnelStatePending), m_IsRecreated (false),
m_Latency (0)
{
}

31
Tunnel.h
View File

@ -78,21 +78,6 @@ namespace tunnel
eTunnelStateFailed,
eTunnelStateExpiring
};
/** @brief for storing latency history */
struct TunnelLatency
{
typedef uint64_t Sample;
typedef uint64_t Latency;
void AddSample(Sample s);
bool HasSamples() const;
Latency GetMeanLatency() const;
std::vector<Sample> m_samples;
mutable std::mutex m_access;
};
class OutboundTunnel;
class InboundTunnel;
@ -133,14 +118,14 @@ namespace tunnel
void SendTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> msg);
void EncryptTunnelMsg (std::shared_ptr<const I2NPMessage> in, std::shared_ptr<I2NPMessage> out);
/** @brief add latency sample */
void AddLatencySample(const uint64_t ms) { m_Latency.AddSample(ms); }
/** @brief get this tunnel's estimated latency */
uint64_t GetMeanLatency() const { return m_Latency.GetMeanLatency(); }
/** @breif return true if this tunnel's latency fits in range [lowerbound, upperbound] */
bool LatencyFitsRange(uint64_t lowerbound, uint64_t upperbound) const;
/** @brief add latency sample */
void AddLatencySample(const uint64_t ms) { m_Latency = (m_Latency + ms) >> 1; }
/** @brief get this tunnel's estimated latency */
uint64_t GetMeanLatency() const { return m_Latency; }
/** @breif return true if this tunnel's latency fits in range [lowerbound, upperbound] */
bool LatencyFitsRange(uint64_t lowerbound, uint64_t upperbound) const;
bool LatencyIsKnown() const { return m_Latency.HasSamples(); }
bool LatencyIsKnown() const { return m_Latency > 0; }
protected:
void PrintHops (std::stringstream& s) const;
@ -152,7 +137,7 @@ namespace tunnel
std::shared_ptr<TunnelPool> m_Pool; // pool, tunnel belongs to, or null
TunnelState m_State;
bool m_IsRecreated;
TunnelLatency m_Latency;
uint64_t m_Latency; // in milliseconds
};
class OutboundTunnel: public Tunnel