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i2pd
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try fixing datagram

pull/771/head
Jeff Becker 8 years ago
parent
f061fe581a
commit
0396c4a4de
3 changed files with 153 additions and 276 deletions
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  1. 2
      AddressBook.cpp
  2. 345
      Datagram.cpp
  3. 68
      Datagram.h

2
AddressBook.cpp
Unescape View File

@ -842,7 +842,7 @@ namespace client @@ -842,7 +842,7 @@ namespace client
else
memset (response + 8, 0, 32); // not found
memset (response + 40, 0, 4); // set expiration time to zero
m_LocalDestination->GetDatagramDestination ()->SendDatagramTo (response, 44, from.GetIdentHash (), toPort, fromPort);
m_LocalDestination->GetDatagramDestination ()->SendDatagramTo (response, 44, from.GetIdentHash(), toPort, fromPort);
}
void AddressResolver::AddAddress (const std::string& name, const i2p::data::IdentHash& ident)

345
Datagram.cpp
Unescape View File

@ -23,7 +23,7 @@ namespace datagram @@ -23,7 +23,7 @@ namespace datagram
m_Sessions.clear();
}
void DatagramDestination::SendDatagramTo (const uint8_t * payload, size_t len, const i2p::data::IdentHash& ident, uint16_t fromPort, uint16_t toPort)
void DatagramDestination::SendDatagramTo(const uint8_t * payload, size_t len, const i2p::data::IdentHash & identity, uint16_t fromPort, uint16_t toPort)
{
auto owner = m_Owner;
std::vector<uint8_t> v(MAX_DATAGRAM_SIZE);
@ -45,8 +45,7 @@ namespace datagram @@ -45,8 +45,7 @@ namespace datagram
owner->Sign (buf1, len, signature);
auto msg = CreateDataMessage (buf, len + headerLen, fromPort, toPort);
auto session = ObtainSession(ident);
session->SendMsg(msg);
ObtainSession(identity)->SendMsg(msg);
}
@ -69,6 +68,8 @@ namespace datagram @@ -69,6 +68,8 @@ namespace datagram
if (verified)
{
auto h = identity.GetIdentHash();
ObtainSession(h)->Ack();
auto r = FindReceiver(toPort);
if(r)
r(identity, fromPort, toPort, buf + headerLen, len -headerLen);
@ -138,15 +139,15 @@ namespace datagram @@ -138,15 +139,15 @@ namespace datagram
}
}
std::shared_ptr<DatagramSession> DatagramDestination::ObtainSession(const i2p::data::IdentHash & ident)
std::shared_ptr<DatagramSession> DatagramDestination::ObtainSession(const i2p::data::IdentHash & identity)
{
std::shared_ptr<DatagramSession> session = nullptr;
std::lock_guard<std::mutex> lock(m_SessionsMutex);
auto itr = m_Sessions.find(ident);
auto itr = m_Sessions.find(identity);
if (itr == m_Sessions.end()) {
// not found, create new session
session = std::make_shared<DatagramSession>(m_Owner, ident);
m_Sessions[ident] = session;
session = std::make_shared<DatagramSession>(m_Owner, identity);
m_Sessions[identity] = session;
} else {
session = itr->second;
}
@ -164,13 +165,13 @@ namespace datagram @@ -164,13 +165,13 @@ namespace datagram
}
DatagramSession::DatagramSession(i2p::client::ClientDestination * localDestination,
const i2p::data::IdentHash & remoteIdent) :
const i2p::data::IdentHash & remoteIdent) :
m_LocalDestination(localDestination),
m_RemoteIdentity(remoteIdent),
m_LastUse(i2p::util::GetMillisecondsSinceEpoch ()),
m_LastPathChange(0),
m_LastSuccess(0)
m_RemoteIdent(remoteIdent),
m_SendQueueTimer(localDestination->GetService())
{
m_LastUse = i2p::util::GetMillisecondsSinceEpoch ();
ScheduleFlushSendQueue();
}
void DatagramSession::SendMsg(std::shared_ptr<I2NPMessage> msg)
@ -184,262 +185,150 @@ namespace datagram @@ -184,262 +185,150 @@ namespace datagram
DatagramSession::Info DatagramSession::GetSessionInfo() const
{
if(!m_RoutingSession)
return DatagramSession::Info(nullptr, nullptr, m_LastUse, m_LastSuccess);
return DatagramSession::Info(nullptr, nullptr, m_LastUse);
auto routingPath = m_RoutingSession->GetSharedRoutingPath();
if (!routingPath)
return DatagramSession::Info(nullptr, nullptr, m_LastUse, m_LastSuccess);
return DatagramSession::Info(nullptr, nullptr, m_LastUse);
auto lease = routingPath->remoteLease;
auto tunnel = routingPath->outboundTunnel;
if(lease)
{
if(tunnel)
return DatagramSession::Info(lease->tunnelGateway, tunnel->GetEndpointIdentHash(), m_LastUse, m_LastSuccess);
return DatagramSession::Info(lease->tunnelGateway, tunnel->GetEndpointIdentHash(), m_LastUse);
else
return DatagramSession::Info(lease->tunnelGateway, nullptr, m_LastUse, m_LastSuccess);
return DatagramSession::Info(lease->tunnelGateway, nullptr, m_LastUse);
}
else if(tunnel)
return DatagramSession::Info(nullptr, tunnel->GetEndpointIdentHash(), m_LastUse, m_LastSuccess);
return DatagramSession::Info(nullptr, tunnel->GetEndpointIdentHash(), m_LastUse);
else
return DatagramSession::Info(nullptr, nullptr, m_LastUse, m_LastSuccess);
return DatagramSession::Info(nullptr, nullptr, m_LastUse);
}
void DatagramSession::HandleSend(std::shared_ptr<I2NPMessage> msg)
void DatagramSession::Ack()
{
if(!m_RoutingSession)
{
// try to get one
if(m_RemoteLeaseSet) m_RoutingSession = m_LocalDestination->GetRoutingSession(m_RemoteLeaseSet, true);
else
{
UpdateLeaseSet(msg);
return;
m_LastUse = i2p::util::GetMillisecondsSinceEpoch();
auto path = GetSharedRoutingPath();
if(path)
path->updateTime = i2p::util::GetSecondsSinceEpoch ();
}
std::shared_ptr<i2p::garlic::GarlicRoutingPath> DatagramSession::GetSharedRoutingPath ()
{
if(!m_RoutingSession) {
if(!m_RemoteLeaseSet) {
m_RemoteLeaseSet = m_LocalDestination->FindLeaseSet(m_RemoteIdent);
}
if(!m_RemoteLeaseSet) {
// no remote lease set
return nullptr;
}
m_RoutingSession = m_LocalDestination->GetRoutingSession(m_RemoteLeaseSet, true);
}
// do we have a routing session?
if(m_RoutingSession)
{
// should we switch paths?
if(ShouldUpdateRoutingPath ())
{
LogPrint(eLogDebug, "DatagramSession: try getting new routing path");
// try switching paths
auto path = GetNextRoutingPath();
if(path)
UpdateRoutingPath (path);
else
ResetRoutingPath();
auto path = m_RoutingSession->GetSharedRoutingPath();
if(path) {
if (m_CurrentOutboundTunnel && !m_CurrentOutboundTunnel->IsEstablished()) {
// bad outbound tunnel, switch outbound tunnel
m_CurrentOutboundTunnel = m_LocalDestination->GetTunnelPool()->GetNextOutboundTunnel(m_CurrentOutboundTunnel);
path->outboundTunnel = m_CurrentOutboundTunnel;
}
auto routingPath = m_RoutingSession->GetSharedRoutingPath ();
// make sure we have a routing path
if (routingPath)
{
auto outboundTunnel = routingPath->outboundTunnel;
if (outboundTunnel)
{
if(outboundTunnel->IsEstablished())
{
m_LastSuccess = i2p::util::GetMillisecondsSinceEpoch ();
// we have a routing path and routing session and the outbound tunnel we are using is good
// wrap message with routing session and send down routing path's outbound tunnel wrapped for the IBGW
auto m = m_RoutingSession->WrapSingleMessage(msg);
routingPath->outboundTunnel->SendTunnelDataMsg({i2p::tunnel::TunnelMessageBlock{
i2p::tunnel::eDeliveryTypeTunnel,
routingPath->remoteLease->tunnelGateway, routingPath->remoteLease->tunnelID,
m
}});
return;
if(m_CurrentRemoteLease && ! m_CurrentRemoteLease->ExpiresWithin(DATAGRAM_SESSION_LEASE_HANDOVER_WINDOW)) {
// bad lease, switch to next one
if(m_RemoteLeaseSet) {
auto ls = m_RemoteLeaseSet->GetNonExpiredLeasesExcluding([&](const i2p::data::Lease& l) -> bool {
return l.tunnelGateway == m_CurrentRemoteLease->tunnelGateway || l.endDate <= m_CurrentRemoteLease->endDate;
});
auto sz = ls.size();
if (sz) {
auto idx = rand() % sz;
m_CurrentRemoteLease = ls[idx];
} else {
// no more leases, bail
LogPrint(eLogWarning, "DatagramSession: no more valid remote leases to ", m_RemoteIdent.ToBase32());
}
} else {
// no remote lease set?
LogPrint(eLogWarning, "DatagramSession: no cached remote lease set for ", m_RemoteIdent.ToBase32());
}
path->remoteLease = m_CurrentRemoteLease;
}
} else {
// no current path, make one
path = std::make_shared<i2p::garlic::GarlicRoutingPath>();
// switch outbound tunnel if bad
if(m_CurrentOutboundTunnel == nullptr || ! m_CurrentOutboundTunnel->IsEstablished()) {
m_CurrentOutboundTunnel = m_LocalDestination->GetTunnelPool()->GetNextOutboundTunnel(m_CurrentOutboundTunnel);
}
// switch lease if bad
if(m_CurrentRemoteLease == nullptr || m_CurrentRemoteLease->ExpiresWithin(DATAGRAM_SESSION_LEASE_HANDOVER_WINDOW)) {
if(!m_RemoteLeaseSet) {
m_RemoteLeaseSet = m_LocalDestination->FindLeaseSet(m_RemoteIdent);
}
if(m_RemoteLeaseSet) {
// pick random next good lease
auto ls = m_RemoteLeaseSet->GetNonExpiredLeasesExcluding([&] (const i2p::data::Lease & l) -> bool {
if(m_CurrentRemoteLease)
return l.tunnelGateway == m_CurrentRemoteLease->tunnelGateway;
return false;
});
auto sz = ls.size();
if(sz) {
auto idx = rand() % sz;
m_CurrentRemoteLease = ls[idx];
}
} else {
// no remote lease set currently, bail
LogPrint(eLogWarning, "DatagramSession: no remote lease set found for ", m_RemoteIdent.ToBase32());
return nullptr;
}
}
path->outboundTunnel = m_CurrentOutboundTunnel;
path->remoteLease = m_CurrentRemoteLease;
m_RoutingSession->SetSharedRoutingPath(path);
}
auto now = i2p::util::GetMillisecondsSinceEpoch ();
// if this path looks dead reset the routing path since we didn't seem to be able to get a path in time
if (m_LastPathChange && now - m_LastPathChange >= DATAGRAM_SESSION_PATH_TIMEOUT ) ResetRoutingPath();
UpdateLeaseSet(msg);
return path;
}
void DatagramSession::UpdateRoutingPath(const std::shared_ptr<i2p::garlic::GarlicRoutingPath> & path)
void DatagramSession::HandleLeaseSetUpdated(std::shared_ptr<i2p::data::LeaseSet> ls)
{
if(m_RoutingSession == nullptr && m_RemoteLeaseSet)
m_RoutingSession = m_LocalDestination->GetRoutingSession(m_RemoteLeaseSet, true);
if(!m_RoutingSession) return;
// set routing path and update time we last updated the routing path
m_RoutingSession->SetSharedRoutingPath (path);
m_LastPathChange = i2p::util::GetMillisecondsSinceEpoch ();
// only update lease set if found and newer than previous lease set
uint64_t oldExpire = 0;
if(m_RemoteLeaseSet) oldExpire = m_RemoteLeaseSet->GetExpirationTime();
if(ls && ls->GetExpirationTime() > oldExpire) m_RemoteLeaseSet = ls;
}
bool DatagramSession::ShouldUpdateRoutingPath() const
void DatagramSession::HandleSend(std::shared_ptr<I2NPMessage> msg)
{
bool dead = m_RoutingSession == nullptr || m_RoutingSession->GetSharedRoutingPath () == nullptr;
auto now = i2p::util::GetMillisecondsSinceEpoch ();
// we need to rotate paths becuase the routing path is too old
// if (now - m_LastPathChange >= DATAGRAM_SESSION_PATH_SWITCH_INTERVAL) return true;
// too fast switching paths
if (now - m_LastPathChange < DATAGRAM_SESSION_PATH_MIN_LIFETIME ) return false;
// our path looks dead so we need to rotate paths
if (now - m_LastSuccess >= DATAGRAM_SESSION_PATH_TIMEOUT) return !dead;
// if we have a routing session and routing path we don't need to switch paths
return dead;
m_SendQueue.push_back(msg);
// flush queue right away if full
if(m_SendQueue.size() >= DATAGRAM_SEND_QUEUE_MAX_SIZE) FlushSendQueue();
}
bool DatagramSession::ShouldSwitchLease() const
void DatagramSession::FlushSendQueue ()
{
std::shared_ptr<i2p::garlic::GarlicRoutingPath> routingPath = nullptr;
std::shared_ptr<const i2p::data::Lease> currentLease = nullptr;
if(m_RoutingSession)
routingPath = m_RoutingSession->GetSharedRoutingPath ();
if(routingPath)
currentLease = routingPath->remoteLease;
if(currentLease) // if we have a lease return true if it's about to expire otherwise return false
return currentLease->ExpiresWithin( DATAGRAM_SESSION_LEASE_HANDOVER_WINDOW, DATAGRAM_SESSION_LEASE_HANDOVER_FUDGE );
// we have no current lease, we should switch
return currentLease == nullptr;
}
std::shared_ptr<i2p::garlic::GarlicRoutingPath> DatagramSession::GetNextRoutingPath()
{
std::shared_ptr<i2p::tunnel::OutboundTunnel> outboundTunnel = nullptr;
std::shared_ptr<i2p::garlic::GarlicRoutingPath> routingPath = nullptr;
// get existing routing path if we have one
if(m_RoutingSession)
routingPath = m_RoutingSession->GetSharedRoutingPath();
// do we have an existing outbound tunnel and routing path?
if(routingPath && routingPath->outboundTunnel)
{
// is the outbound tunnel we are using good?
if (routingPath->outboundTunnel->IsEstablished())
{
// ya so let's stick with it
outboundTunnel = routingPath->outboundTunnel;
}
else
outboundTunnel = m_LocalDestination->GetTunnelPool()->GetNextOutboundTunnel(routingPath->outboundTunnel); // no so we'll switch outbound tunnels
}
// do we have an outbound tunnel that works already ?
if(!outboundTunnel)
outboundTunnel = m_LocalDestination->GetTunnelPool()->GetNextOutboundTunnel(); // no, let's get a new outbound tunnel as we probably just started
if(outboundTunnel)
{
std::shared_ptr<const i2p::data::Lease> lease = nullptr;
// should we switch leases ?
if (ShouldSwitchLease ())
{
// yes, get next available lease
lease = GetNextLease();
}
else if (routingPath)
{
if(routingPath->remoteLease)
{
if(routingPath->remoteLease->ExpiresWithin(DATAGRAM_SESSION_LEASE_HANDOVER_WINDOW, DATAGRAM_SESSION_LEASE_HANDOVER_FUDGE))
lease = GetNextLease();
else
lease = routingPath->remoteLease;
}
}
else
lease = GetNextLease();
if(lease)
{
// we have a valid lease to use and an outbound tunnel
// create new routing path
uint32_t now = i2p::util::GetSecondsSinceEpoch();
routingPath = std::make_shared<i2p::garlic::GarlicRoutingPath>(i2p::garlic::GarlicRoutingPath{
outboundTunnel,
lease,
0,
now,
0
});
}
else // we don't have a new routing path to give
routingPath = nullptr;
}
return routingPath;
}
void DatagramSession::ResetRoutingPath()
{
if(m_RoutingSession)
{
auto routingPath = m_RoutingSession->GetSharedRoutingPath();
if(routingPath && routingPath->remoteLease) // we have a remote lease already specified and a routing path
{
// get outbound tunnel on this path
auto outboundTunnel = routingPath->outboundTunnel;
// is this outbound tunnel there and established
if (outboundTunnel && outboundTunnel->IsEstablished())
m_InvalidIBGW.push_back(routingPath->remoteLease->tunnelGateway); // yes, let's mark remote lease as dead because the outbound tunnel seems fine
}
// reset the routing path
UpdateRoutingPath(nullptr);
}
}
std::shared_ptr<const i2p::data::Lease> DatagramSession::GetNextLease()
{
auto now = i2p::util::GetMillisecondsSinceEpoch ();
std::shared_ptr<const i2p::data::Lease> next = nullptr;
if(m_RemoteLeaseSet)
std::vector<i2p::tunnel::TunnelMessageBlock> send;
auto routingPath = GetSharedRoutingPath();
// if we don't have a routing path we will drop all queued messages
if(routingPath)
{
std::vector<i2p::data::IdentHash> exclude;
for(const auto & ident : m_InvalidIBGW)
exclude.push_back(ident);
// find get all leases that are not in our ban list and are not going to expire within our lease set handover window + fudge
auto leases = m_RemoteLeaseSet->GetNonExpiredLeasesExcluding( [&exclude, now] (const i2p::data::Lease & l) -> bool {
if(exclude.size())
{
auto end = std::end(exclude);
return std::find_if(exclude.begin(), end, [l, now] ( const i2p::data::IdentHash & ident) -> bool {
return ident == l.tunnelGateway;
}) != end;
}
else
return false;
});
if(leases.size())
for (const auto & msg : m_SendQueue)
{
// pick random valid next lease
uint32_t idx = rand() % leases.size();
next = leases[idx];
auto m = m_RoutingSession->WrapSingleMessage(msg);
send.push_back(i2p::tunnel::TunnelMessageBlock{i2p::tunnel::eDeliveryTypeTunnel,routingPath->remoteLease->tunnelGateway, routingPath->remoteLease->tunnelID, m});
}
else
LogPrint(eLogWarning, "DatagramDestination: no leases to use");
routingPath->outboundTunnel->SendTunnelDataMsg(send);
}
return next;
}
void DatagramSession::UpdateLeaseSet(std::shared_ptr<I2NPMessage> msg)
{
LogPrint(eLogInfo, "DatagramSession: updating lease set");
m_LocalDestination->RequestDestination(m_RemoteIdentity, std::bind(&DatagramSession::HandleGotLeaseSet, this, std::placeholders::_1, msg));
m_SendQueue.clear();
ScheduleFlushSendQueue();
}
void DatagramSession::HandleGotLeaseSet(std::shared_ptr<const i2p::data::LeaseSet> remoteIdent, std::shared_ptr<I2NPMessage> msg)
void DatagramSession::ScheduleFlushSendQueue()
{
if(remoteIdent)
{
// update routing session
if(m_RoutingSession)
m_RoutingSession = nullptr;
m_RoutingSession = m_LocalDestination->GetRoutingSession(remoteIdent, true);
// clear invalid IBGW as we have a new lease set
m_InvalidIBGW.clear();
m_RemoteLeaseSet = remoteIdent;
// update routing path
auto path = GetNextRoutingPath();
if (path)
UpdateRoutingPath(path);
else
ResetRoutingPath();
// send the message that was queued if it was provided
if(msg)
HandleSend(msg);
}
boost::posix_time::milliseconds dlt(100);
m_SendQueueTimer.expires_from_now(dlt);
m_SendQueueTimer.async_wait([&](const boost::system::error_code & ec) { if(ec) return; FlushSendQueue(); });
}
}
}

68
Datagram.h
Unescape View File

@ -31,29 +31,33 @@ namespace datagram @@ -31,29 +31,33 @@ namespace datagram
const uint64_t DATAGRAM_SESSION_LEASE_HANDOVER_FUDGE = 1000;
// milliseconds minimum time between path switches
const uint64_t DATAGRAM_SESSION_PATH_MIN_LIFETIME = 5 * 1000;
// max 64 messages buffered in send queue for each datagram session
const size_t DATAGRAM_SEND_QUEUE_MAX_SIZE = 64;
class DatagramSession
{
public:
DatagramSession(i2p::client::ClientDestination * localDestination,
const i2p::data::IdentHash & remoteIdent);
const i2p::data::IdentHash & remoteIdent);
/** @brief ack the garlic routing path */
void Ack();
/** send an i2np message to remote endpoint for this session */
void SendMsg(std::shared_ptr<I2NPMessage> msg);
/** get the last time in milliseconds for when we used this datagram session */
uint64_t LastActivity() const { return m_LastUse; }
/** get the last time in milliseconds when we successfully sent data */
uint64_t LastSuccess() const { return m_LastSuccess; }
struct Info
{
std::shared_ptr<const i2p::data::IdentHash> IBGW;
std::shared_ptr<const i2p::data::IdentHash> OBEP;
const uint64_t activity;
const uint64_t success;
Info() : IBGW(nullptr), OBEP(nullptr), activity(0), success(0) {}
Info(const uint8_t * ibgw, const uint8_t * obep, const uint64_t a, const uint64_t s) :
activity(a),
success(s) {
Info() : IBGW(nullptr), OBEP(nullptr), activity(0) {}
Info(const uint8_t * ibgw, const uint8_t * obep, const uint64_t a) :
activity(a) {
if(ibgw) IBGW = std::make_shared<i2p::data::IdentHash>(ibgw);
else IBGW = nullptr;
if(obep) OBEP = std::make_shared<i2p::data::IdentHash>(obep);
@ -63,44 +67,28 @@ namespace datagram @@ -63,44 +67,28 @@ namespace datagram
Info GetSessionInfo() const;
private:
/** update our routing path we are using, mark that we have changed paths */
void UpdateRoutingPath(const std::shared_ptr<i2p::garlic::GarlicRoutingPath> & path);
/** return true if we should switch routing paths because of path lifetime or timeout otherwise false */
bool ShouldUpdateRoutingPath() const;
void FlushSendQueue();
void ScheduleFlushSendQueue();
/** return true if we should switch the lease for out routing path otherwise return false */
bool ShouldSwitchLease() const;
void HandleSend(std::shared_ptr<I2NPMessage> msg);
/** get next usable routing path, try reusing outbound tunnels */
std::shared_ptr<i2p::garlic::GarlicRoutingPath> GetNextRoutingPath();
/**
* mark current routing path as invalid and clear it
* if the outbound tunnel we were using was okay don't use the IBGW in the routing path's lease next time
*/
void ResetRoutingPath();
std::shared_ptr<i2p::garlic::GarlicRoutingPath> GetSharedRoutingPath();
/** get next usable lease, does not fetch or update if expired or have no lease set */
std::shared_ptr<const i2p::data::Lease> GetNextLease();
void HandleSend(std::shared_ptr<I2NPMessage> msg);
void HandleGotLeaseSet(std::shared_ptr<const i2p::data::LeaseSet> remoteIdent,
std::shared_ptr<I2NPMessage> msg);
void UpdateLeaseSet(std::shared_ptr<I2NPMessage> msg=nullptr);
void HandleLeaseSetUpdated(std::shared_ptr<i2p::data::LeaseSet> ls);
private:
i2p::client::ClientDestination * m_LocalDestination;
i2p::data::IdentHash m_RemoteIdentity;
std::shared_ptr<i2p::garlic::GarlicRoutingSession> m_RoutingSession;
// Ident hash of IBGW that are invalid
std::vector<i2p::data::IdentHash> m_InvalidIBGW;
std::shared_ptr<const i2p::data::LeaseSet> m_RemoteLeaseSet;
uint64_t m_LastUse;
uint64_t m_LastPathChange;
uint64_t m_LastSuccess;
i2p::data::IdentHash m_RemoteIdent;
std::shared_ptr<const i2p::data::LeaseSet> m_RemoteLeaseSet;
std::shared_ptr<i2p::garlic::GarlicRoutingSession> m_RoutingSession;
std::shared_ptr<const i2p::data::Lease> m_CurrentRemoteLease;
std::shared_ptr<i2p::tunnel::OutboundTunnel> m_CurrentOutboundTunnel;
boost::asio::deadline_timer m_SendQueueTimer;
std::vector<std::shared_ptr<I2NPMessage> > m_SendQueue;
uint64_t m_LastUse;
};
const size_t MAX_DATAGRAM_SIZE = 32768;
@ -114,7 +102,7 @@ namespace datagram @@ -114,7 +102,7 @@ namespace datagram
DatagramDestination (std::shared_ptr<i2p::client::ClientDestination> owner);
~DatagramDestination ();
void SendDatagramTo (const uint8_t * payload, size_t len, const i2p::data::IdentHash& ident, uint16_t fromPort = 0, uint16_t toPort = 0);
void SendDatagramTo (const uint8_t * payload, size_t len, const i2p::data::IdentHash & ident, uint16_t fromPort = 0, uint16_t toPort = 0);
void HandleDataMessagePayload (uint16_t fromPort, uint16_t toPort, const uint8_t * buf, size_t len);
void SetReceiver (const Receiver& receiver) { m_Receiver = receiver; };
@ -130,7 +118,7 @@ namespace datagram @@ -130,7 +118,7 @@ namespace datagram
private:
std::shared_ptr<DatagramSession> ObtainSession(const i2p::data::IdentHash & ident);
std::shared_ptr<DatagramSession> ObtainSession(const i2p::data::IdentHash & ident);
std::shared_ptr<I2NPMessage> CreateDataMessage (const uint8_t * payload, size_t len, uint16_t fromPort, uint16_t toPort);

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