add deferred ready checking for destination

This commit is contained in:
Jeff Becker 2017-08-31 09:53:31 -04:00
parent 543566840c
commit 3f409d0e28
No known key found for this signature in database
GPG Key ID: F357B3B42F6F9B05
2 changed files with 231 additions and 179 deletions

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@ -13,9 +13,10 @@ namespace i2p
namespace client
{
LeaseSetDestination::LeaseSetDestination (bool isPublic, const std::map<std::string, std::string> * params):
m_IsRunning (false), m_Thread (nullptr), m_IsPublic (isPublic),
m_PublishReplyToken (0), m_LastSubmissionTime (0), m_PublishConfirmationTimer (m_Service),
m_PublishVerificationTimer (m_Service), m_PublishDelayTimer (m_Service), m_CleanupTimer (m_Service)
m_IsRunning (false), m_Thread (nullptr), m_IsPublic (isPublic),
m_PublishReplyToken (0), m_LastSubmissionTime (0), m_PublishConfirmationTimer (m_Service),
m_PublishVerificationTimer (m_Service), m_PublishDelayTimer (m_Service), m_CleanupTimer (m_Service),
m_ReadyCheckTimer(m_Service)
{
int inLen = DEFAULT_INBOUND_TUNNEL_LENGTH;
int inQty = DEFAULT_INBOUND_TUNNELS_QUANTITY;
@ -83,77 +84,80 @@ namespace client
LeaseSetDestination::~LeaseSetDestination ()
{
if (m_IsRunning)
if (m_IsRunning)
Stop ();
if (m_Pool)
i2p::tunnel::tunnels.DeleteTunnelPool (m_Pool);
i2p::tunnel::tunnels.DeleteTunnelPool (m_Pool);
for (auto& it: m_LeaseSetRequests)
it.second->Complete (nullptr);
}
}
void LeaseSetDestination::Run ()
{
while (m_IsRunning)
{
try
{
{
m_Service.run ();
}
catch (std::exception& ex)
{
LogPrint (eLogError, "Destination: runtime exception: ", ex.what ());
}
}
}
}
}
}
bool LeaseSetDestination::Start ()
{
{
if (!m_IsRunning)
{
{
LoadTags ();
m_IsRunning = true;
m_Pool->SetLocalDestination (shared_from_this ());
m_Pool->SetActive (true);
m_Pool->SetActive (true);
m_CleanupTimer.expires_from_now (boost::posix_time::minutes (DESTINATION_CLEANUP_TIMEOUT));
m_CleanupTimer.async_wait (std::bind (&LeaseSetDestination::HandleCleanupTimer,
shared_from_this (), std::placeholders::_1));
shared_from_this (), std::placeholders::_1));
m_Thread = new std::thread (std::bind (&LeaseSetDestination::Run, shared_from_this ()));
m_ReadyCheckTimer.expires_from_now(boost::posix_time::seconds (1));
m_ReadyCheckTimer.async_wait(std::bind(&LeaseSetDestination::HandleReadyCheckTimer,
shared_from_this (), std::placeholders::_1));
return true;
}
}
else
return false;
}
bool LeaseSetDestination::Stop ()
{
{
if (m_IsRunning)
{
{
m_CleanupTimer.cancel ();
m_PublishConfirmationTimer.cancel ();
m_PublishVerificationTimer.cancel ();
m_PublishVerificationTimer.cancel ();
m_ReadyCheckTimer.cancel ();
m_IsRunning = false;
if (m_Pool)
{
{
m_Pool->SetLocalDestination (nullptr);
i2p::tunnel::tunnels.StopTunnelPool (m_Pool);
}
}
m_Service.stop ();
if (m_Thread)
{
m_Thread->join ();
{
m_Thread->join ();
delete m_Thread;
m_Thread = 0;
}
}
SaveTags ();
CleanUp (); // GarlicDestination
return true;
}
}
else
return false;
}
}
std::shared_ptr<const i2p::data::LeaseSet> LeaseSetDestination::FindLeaseSet (const i2p::data::IdentHash& ident)
{
std::shared_ptr<i2p::data::LeaseSet> remoteLS;
@ -164,7 +168,7 @@ namespace client
remoteLS = it->second;
}
if (remoteLS)
if (remoteLS)
{
if (!remoteLS->IsExpired ())
{
@ -193,9 +197,9 @@ namespace client
m_RemoteLeaseSets.erase (ident);
return nullptr;
}
}
}
else
{
{
auto ls = i2p::data::netdb.FindLeaseSet (ident);
if (ls && !ls->IsExpired ())
{
@ -203,7 +207,7 @@ namespace client
std::lock_guard<std::mutex> _lock(m_RemoteLeaseSetsMutex);
m_RemoteLeaseSets[ident] = ls;
return ls;
}
}
}
return nullptr;
}
@ -215,11 +219,11 @@ namespace client
UpdateLeaseSet ();
std::lock_guard<std::mutex> l(m_LeaseSetMutex);
return m_LeaseSet;
}
}
void LeaseSetDestination::SetLeaseSet (i2p::data::LocalLeaseSet * newLeaseSet)
{
{
{
std::lock_guard<std::mutex> l(m_LeaseSetMutex);
m_LeaseSet.reset (newLeaseSet);
}
@ -229,21 +233,26 @@ namespace client
m_PublishVerificationTimer.cancel ();
Publish ();
}
}
}
void LeaseSetDestination::AddReadyCallback(ReadyCallback cb)
{
m_ReadyCallbacks.push_back(cb);
}
void LeaseSetDestination::UpdateLeaseSet ()
{
int numTunnels = m_Pool->GetNumInboundTunnels () + 2; // 2 backup tunnels
if (numTunnels > i2p::data::MAX_NUM_LEASES) numTunnels = i2p::data::MAX_NUM_LEASES; // 16 tunnels maximum
int numTunnels = m_Pool->GetNumInboundTunnels () + 2; // 2 backup tunnels
if (numTunnels > i2p::data::MAX_NUM_LEASES) numTunnels = i2p::data::MAX_NUM_LEASES; // 16 tunnels maximum
CreateNewLeaseSet (m_Pool->GetInboundTunnels (numTunnels));
}
}
bool LeaseSetDestination::SubmitSessionKey (const uint8_t * key, const uint8_t * tag)
{
struct
{
uint8_t k[32], t[32];
} data;
} data;
memcpy (data.k, key, 32);
memcpy (data.t, tag, 32);
auto s = shared_from_this ();
@ -256,42 +265,42 @@ namespace client
void LeaseSetDestination::ProcessGarlicMessage (std::shared_ptr<I2NPMessage> msg)
{
m_Service.post (std::bind (&LeaseSetDestination::HandleGarlicMessage, shared_from_this (), msg));
m_Service.post (std::bind (&LeaseSetDestination::HandleGarlicMessage, shared_from_this (), msg));
}
void LeaseSetDestination::ProcessDeliveryStatusMessage (std::shared_ptr<I2NPMessage> msg)
{
m_Service.post (std::bind (&LeaseSetDestination::HandleDeliveryStatusMessage, shared_from_this (), msg));
m_Service.post (std::bind (&LeaseSetDestination::HandleDeliveryStatusMessage, shared_from_this (), msg));
}
void LeaseSetDestination::HandleI2NPMessage (const uint8_t * buf, size_t len, std::shared_ptr<i2p::tunnel::InboundTunnel> from)
{
uint8_t typeID = buf[I2NP_HEADER_TYPEID_OFFSET];
switch (typeID)
{
{
case eI2NPData:
HandleDataMessage (buf + I2NP_HEADER_SIZE, bufbe16toh (buf + I2NP_HEADER_SIZE_OFFSET));
break;
case eI2NPDeliveryStatus:
// we assume tunnel tests non-encrypted
HandleDeliveryStatusMessage (CreateI2NPMessage (buf, GetI2NPMessageLength (buf), from));
break;
break;
case eI2NPDatabaseStore:
HandleDatabaseStoreMessage (buf + I2NP_HEADER_SIZE, bufbe16toh (buf + I2NP_HEADER_SIZE_OFFSET));
break;
case eI2NPDatabaseSearchReply:
HandleDatabaseSearchReplyMessage (buf + I2NP_HEADER_SIZE, bufbe16toh (buf + I2NP_HEADER_SIZE_OFFSET));
break;
break;
default:
i2p::HandleI2NPMessage (CreateI2NPMessage (buf, GetI2NPMessageLength (buf), from));
}
}
}
}
void LeaseSetDestination::HandleDatabaseStoreMessage (const uint8_t * buf, size_t len)
{
uint32_t replyToken = bufbe32toh (buf + DATABASE_STORE_REPLY_TOKEN_OFFSET);
size_t offset = DATABASE_STORE_HEADER_SIZE;
if (replyToken)
if (replyToken)
{
LogPrint (eLogInfo, "Destination: Reply token is ignored for DatabaseStore");
offset += 36;
@ -307,8 +316,8 @@ namespace client
{
leaseSet = it->second;
if (leaseSet->IsNewer (buf + offset, len - offset))
{
leaseSet->Update (buf + offset, len - offset);
{
leaseSet->Update (buf + offset, len - offset);
if (leaseSet->IsValid () && leaseSet->GetIdentHash () == key)
LogPrint (eLogDebug, "Destination: Remote LeaseSet updated");
else
@ -322,7 +331,7 @@ namespace client
LogPrint (eLogDebug, "Destination: Remote LeaseSet is older. Not updated");
}
else
{
{
leaseSet = std::make_shared<i2p::data::LeaseSet> (buf + offset, len - offset);
if (leaseSet->IsValid () && leaseSet->GetIdentHash () == key)
{
@ -339,18 +348,18 @@ namespace client
LogPrint (eLogError, "Destination: New remote LeaseSet failed");
leaseSet = nullptr;
}
}
}
}
}
else
LogPrint (eLogError, "Destination: Unexpected client's DatabaseStore type ", buf[DATABASE_STORE_TYPE_OFFSET], ", dropped");
auto it1 = m_LeaseSetRequests.find (key);
if (it1 != m_LeaseSetRequests.end ())
{
it1->second->requestTimeoutTimer.cancel ();
if (it1->second) it1->second->Complete (leaseSet);
m_LeaseSetRequests.erase (it1);
}
}
}
void LeaseSetDestination::HandleDatabaseSearchReplyMessage (const uint8_t * buf, size_t len)
@ -364,7 +373,7 @@ namespace client
auto request = it->second;
bool found = false;
if (request->excluded.size () < MAX_NUM_FLOODFILLS_PER_REQUEST)
{
{
for (int i = 0; i < num; i++)
{
i2p::data::IdentHash peerHash (buf + 33 + i*32);
@ -372,28 +381,28 @@ namespace client
{
LogPrint (eLogInfo, "Destination: Found new floodfill, request it"); // TODO: recheck this message
i2p::data::netdb.RequestDestination (peerHash);
}
}
}
auto floodfill = i2p::data::netdb.GetClosestFloodfill (key, request->excluded);
if (floodfill)
{
LogPrint (eLogInfo, "Destination: Requesting ", key.ToBase64 (), " at ", floodfill->GetIdentHash ().ToBase64 ());
if (SendLeaseSetRequest (key, floodfill, request))
found = true;
}
}
}
}
if (!found)
{
{
LogPrint (eLogInfo, "Destination: ", key.ToBase64 (), " was not found on ", MAX_NUM_FLOODFILLS_PER_REQUEST, " floodfills");
request->Complete (nullptr);
m_LeaseSetRequests.erase (key);
}
}
else
}
}
else
LogPrint (eLogWarning, "Destination: Request for ", key.ToBase64 (), " not found");
}
}
void LeaseSetDestination::HandleDeliveryStatusMessage (std::shared_ptr<I2NPMessage> msg)
{
uint32_t msgID = bufbe32toh (msg->GetPayload () + DELIVERY_STATUS_MSGID_OFFSET);
@ -405,20 +414,20 @@ namespace client
// schedule verification
m_PublishVerificationTimer.expires_from_now (boost::posix_time::seconds(PUBLISH_VERIFICATION_TIMEOUT));
m_PublishVerificationTimer.async_wait (std::bind (&LeaseSetDestination::HandlePublishVerificationTimer,
shared_from_this (), std::placeholders::_1));
shared_from_this (), std::placeholders::_1));
}
else
i2p::garlic::GarlicDestination::HandleDeliveryStatusMessage (msg);
}
}
void LeaseSetDestination::SetLeaseSetUpdated ()
{
{
UpdateLeaseSet ();
}
void LeaseSetDestination::Publish ()
{
if (!m_LeaseSet || !m_Pool)
{
if (!m_LeaseSet || !m_Pool)
{
LogPrint (eLogError, "Destination: Can't publish non-existing LeaseSet");
return;
@ -435,9 +444,9 @@ namespace client
m_PublishDelayTimer.cancel ();
m_PublishDelayTimer.expires_from_now (boost::posix_time::seconds(PUBLISH_MIN_INTERVAL));
m_PublishDelayTimer.async_wait (std::bind (&LeaseSetDestination::HandlePublishDelayTimer,
shared_from_this (), std::placeholders::_1));
shared_from_this (), std::placeholders::_1));
return;
}
}
auto outbound = m_Pool->GetNextOutboundTunnel ();
if (!outbound)
{
@ -450,28 +459,28 @@ namespace client
LogPrint (eLogError, "Destination: Can't publish LeaseSet. No inbound tunnels");
return;
}
auto floodfill = i2p::data::netdb.GetClosestFloodfill (m_LeaseSet->GetIdentHash (), m_ExcludedFloodfills);
auto floodfill = i2p::data::netdb.GetClosestFloodfill (m_LeaseSet->GetIdentHash (), m_ExcludedFloodfills);
if (!floodfill)
{
LogPrint (eLogError, "Destination: Can't publish LeaseSet, no more floodfills found");
m_ExcludedFloodfills.clear ();
return;
}
}
m_ExcludedFloodfills.insert (floodfill->GetIdentHash ());
LogPrint (eLogDebug, "Destination: Publish LeaseSet of ", GetIdentHash ().ToBase32 ());
RAND_bytes ((uint8_t *)&m_PublishReplyToken, 4);
auto msg = WrapMessage (floodfill, i2p::CreateDatabaseStoreMsg (m_LeaseSet, m_PublishReplyToken, inbound));
auto msg = WrapMessage (floodfill, i2p::CreateDatabaseStoreMsg (m_LeaseSet, m_PublishReplyToken, inbound));
m_PublishConfirmationTimer.expires_from_now (boost::posix_time::seconds(PUBLISH_CONFIRMATION_TIMEOUT));
m_PublishConfirmationTimer.async_wait (std::bind (&LeaseSetDestination::HandlePublishConfirmationTimer,
shared_from_this (), std::placeholders::_1));
outbound->SendTunnelDataMsg (floodfill->GetIdentHash (), 0, msg);
shared_from_this (), std::placeholders::_1));
outbound->SendTunnelDataMsg (floodfill->GetIdentHash (), 0, msg);
m_LastSubmissionTime = ts;
}
void LeaseSetDestination::HandlePublishConfirmationTimer (const boost::system::error_code& ecode)
{
if (ecode != boost::asio::error::operation_aborted)
{
{
if (m_PublishReplyToken)
{
LogPrint (eLogWarning, "Destination: Publish confirmation was not received in ", PUBLISH_CONFIRMATION_TIMEOUT, " seconds, will try again");
@ -484,25 +493,25 @@ namespace client
void LeaseSetDestination::HandlePublishVerificationTimer (const boost::system::error_code& ecode)
{
if (ecode != boost::asio::error::operation_aborted)
{
{
auto s = shared_from_this ();
RequestLeaseSet (GetIdentHash (),
RequestLeaseSet (GetIdentHash (),
// "this" added due to bug in gcc 4.7-4.8
[s,this](std::shared_ptr<i2p::data::LeaseSet> leaseSet)
{
if (leaseSet)
if (leaseSet)
{
if (s->m_LeaseSet && *s->m_LeaseSet == *leaseSet)
{
// we got latest LeasetSet
LogPrint (eLogDebug, "Destination: published LeaseSet verified for ", GetIdentHash().ToBase32());
s->m_PublishVerificationTimer.expires_from_now (boost::posix_time::seconds(PUBLISH_REGULAR_VERIFICATION_INTERNAL));
s->m_PublishVerificationTimer.async_wait (std::bind (&LeaseSetDestination::HandlePublishVerificationTimer, s, std::placeholders::_1));
s->m_PublishVerificationTimer.async_wait (std::bind (&LeaseSetDestination::HandlePublishVerificationTimer, s, std::placeholders::_1));
return;
}
}
else
LogPrint (eLogDebug, "Destination: LeaseSet is different than just published for ", GetIdentHash().ToBase32());
}
}
else
LogPrint (eLogWarning, "Destination: couldn't find published LeaseSet for ", GetIdentHash().ToBase32());
// we have to publish again
@ -515,16 +524,16 @@ namespace client
{
if (ecode != boost::asio::error::operation_aborted)
Publish ();
}
}
bool LeaseSetDestination::RequestDestination (const i2p::data::IdentHash& dest, RequestComplete requestComplete)
{
if (!m_Pool || !IsReady ())
{
if (requestComplete)
if (!m_Pool || !IsReady ())
{
if (requestComplete)
m_Service.post ([requestComplete](void){requestComplete (nullptr);});
return false;
}
}
m_Service.post (std::bind (&LeaseSetDestination::RequestLeaseSet, shared_from_this (), dest, requestComplete));
return true;
}
@ -536,14 +545,14 @@ namespace client
{
auto it = s->m_LeaseSetRequests.find (dest);
if (it != s->m_LeaseSetRequests.end ())
{
auto requestComplete = it->second;
{
auto requestComplete = it->second;
s->m_LeaseSetRequests.erase (it);
if (notify && requestComplete) requestComplete->Complete (nullptr);
}
});
}
});
}
void LeaseSetDestination::RequestLeaseSet (const i2p::data::IdentHash& dest, RequestComplete requestComplete)
{
std::set<i2p::data::IdentHash> excluded;
@ -564,28 +573,28 @@ namespace client
m_LeaseSetRequests.erase (ret.first);
if (requestComplete) requestComplete (nullptr);
}
}
}
else // duplicate
{
LogPrint (eLogInfo, "Destination: Request of LeaseSet ", dest.ToBase64 (), " is pending already");
if (ts > ret.first->second->requestTime + MAX_LEASESET_REQUEST_TIMEOUT)
{
{
// something went wrong
m_LeaseSetRequests.erase (ret.first);
if (requestComplete) requestComplete (nullptr);
}
else if (requestComplete)
ret.first->second->requestComplete.push_back (requestComplete);
}
}
}
}
else
{
{
LogPrint (eLogError, "Destination: Can't request LeaseSet, no floodfills found");
if (requestComplete) requestComplete (nullptr);
}
}
bool LeaseSetDestination::SendLeaseSetRequest (const i2p::data::IdentHash& dest,
}
}
bool LeaseSetDestination::SendLeaseSetRequest (const i2p::data::IdentHash& dest,
std::shared_ptr<const i2p::data::RouterInfo> nextFloodfill, std::shared_ptr<LeaseSetRequest> request)
{
if (!request->replyTunnel || !request->replyTunnel->IsEstablished ())
@ -594,36 +603,36 @@ namespace client
if (!request->outboundTunnel || !request->outboundTunnel->IsEstablished ())
request->outboundTunnel = m_Pool->GetNextOutboundTunnel ();
if (!request->outboundTunnel) LogPrint (eLogError, "Destination: Can't send LeaseSet request, no outbound tunnels found");
if (request->replyTunnel && request->outboundTunnel)
{
{
request->excluded.insert (nextFloodfill->GetIdentHash ());
request->requestTimeoutTimer.cancel ();
uint8_t replyKey[32], replyTag[32];
RAND_bytes (replyKey, 32); // random session key
RAND_bytes (replyKey, 32); // random session key
RAND_bytes (replyTag, 32); // random session tag
AddSessionKey (replyKey, replyTag);
auto msg = WrapMessage (nextFloodfill,
CreateLeaseSetDatabaseLookupMsg (dest, request->excluded,
CreateLeaseSetDatabaseLookupMsg (dest, request->excluded,
request->replyTunnel, replyKey, replyTag));
request->outboundTunnel->SendTunnelDataMsg (
{
i2p::tunnel::TunnelMessageBlock
{
i2p::tunnel::TunnelMessageBlock
{
i2p::tunnel::eDeliveryTypeRouter,
nextFloodfill->GetIdentHash (), 0, msg
}
});
});
request->requestTimeoutTimer.expires_from_now (boost::posix_time::seconds(LEASESET_REQUEST_TIMEOUT));
request->requestTimeoutTimer.async_wait (std::bind (&LeaseSetDestination::HandleRequestTimoutTimer,
shared_from_this (), std::placeholders::_1, dest));
}
}
else
return false;
return true;
}
}
void LeaseSetDestination::HandleRequestTimoutTimer (const boost::system::error_code& ecode, const i2p::data::IdentHash& dest)
{
@ -641,26 +650,26 @@ namespace client
{
// reset tunnels, because one them might fail
it->second->outboundTunnel = nullptr;
it->second->replyTunnel = nullptr;
it->second->replyTunnel = nullptr;
done = !SendLeaseSetRequest (dest, floodfill, it->second);
}
else
done = true;
}
else
{
{
LogPrint (eLogWarning, "Destination: ", dest.ToBase64 (), " was not found within ", MAX_LEASESET_REQUEST_TIMEOUT, " seconds");
done = true;
}
if (done)
{
auto requestComplete = it->second;
auto requestComplete = it->second;
m_LeaseSetRequests.erase (it);
if (requestComplete) requestComplete->Complete (nullptr);
}
}
}
}
}
}
}
void LeaseSetDestination::HandleCleanupTimer (const boost::system::error_code& ecode)
@ -674,7 +683,31 @@ namespace client
m_CleanupTimer.async_wait (std::bind (&LeaseSetDestination::HandleCleanupTimer,
shared_from_this (), std::placeholders::_1));
}
}
}
void LeaseSetDestination::HandleReadyCheckTimer(const boost::system::error_code & ec)
{
if (ec != boost::asio::error::operation_aborted)
{
// TODO: locking ?
if(IsReady())
{
for (auto & itr : m_ReadyCallbacks)
{
itr(ec);
}
m_ReadyCallbacks.clear();
}
}
else
{
for (auto & itr : m_ReadyCallbacks)
{
itr(ec);
}
m_ReadyCallbacks.clear();
}
}
void LeaseSetDestination::CleanupRemoteLeaseSets ()
{
@ -686,11 +719,11 @@ namespace client
{
LogPrint (eLogWarning, "Destination: Remote LeaseSet ", it->second->GetIdentHash ().ToBase64 (), " expired");
it = m_RemoteLeaseSets.erase (it);
}
else
}
else
++it;
}
}
}
ClientDestination::ClientDestination (const i2p::data::PrivateKeys& keys, bool isPublic, const std::map<std::string, std::string> * params):
LeaseSetDestination (isPublic, params),
@ -703,26 +736,26 @@ namespace client
i2p::crypto::GenerateElGamalKeyPair(m_EncryptionPrivateKey, m_EncryptionPublicKey);
if (isPublic)
LogPrint (eLogInfo, "Destination: Local address ", GetIdentHash().ToBase32 (), " created");
}
}
ClientDestination::~ClientDestination ()
ClientDestination::~ClientDestination ()
{
}
}
bool ClientDestination::Start ()
{
if (LeaseSetDestination::Start ())
{
{
m_StreamingDestination = std::make_shared<i2p::stream::StreamingDestination> (GetSharedFromThis ()); // TODO:
m_StreamingDestination->Start ();
m_StreamingDestination->Start ();
for (auto& it: m_StreamingDestinationsByPorts)
it.second->Start ();
return true;
}
}
else
return false;
}
}
bool ClientDestination::Stop ()
{
if (LeaseSetDestination::Stop ())
@ -732,21 +765,21 @@ namespace client
//m_StreamingDestination->SetOwner (nullptr);
m_StreamingDestination = nullptr;
for (auto& it: m_StreamingDestinationsByPorts)
{
{
it.second->Stop ();
//it.second->SetOwner (nullptr);
}
m_StreamingDestinationsByPorts.clear ();
if (m_DatagramDestination)
{
{
delete m_DatagramDestination;
m_DatagramDestination = nullptr;
}
}
return true;
}
else
return false;
}
}
#ifdef I2LUA
void ClientDestination::Ready(ReadyPromise & p)
@ -773,14 +806,14 @@ namespace client
ScheduleCheckForReady(p);
}
#endif
void ClientDestination::HandleDataMessage (const uint8_t * buf, size_t len)
{
uint32_t length = bufbe32toh (buf);
buf += 4;
// we assume I2CP payload
uint16_t fromPort = bufbe16toh (buf + 4), // source
toPort = bufbe16toh (buf + 6); // destination
toPort = bufbe16toh (buf + 6); // destination
switch (buf[9])
{
case PROTOCOL_TYPE_STREAMING:
@ -804,28 +837,41 @@ namespace client
LogPrint (eLogError, "Destination: Data: unexpected protocol ", buf[9]);
}
}
void ClientDestination::CreateStream (StreamRequestComplete streamRequestComplete, const i2p::data::IdentHash& dest, int port)
void ClientDestination::CreateStream (StreamRequestComplete streamRequestComplete, const i2p::data::IdentHash& dest, int port)
{
if (!streamRequestComplete)
if (!streamRequestComplete)
{
LogPrint (eLogError, "Destination: request callback is not specified in CreateStream");
return;
}
auto leaseSet = FindLeaseSet (dest);
if (leaseSet)
streamRequestComplete(CreateStream (leaseSet, port));
}
if(IsReady())
{
auto leaseSet = FindLeaseSet (dest);
if (leaseSet)
streamRequestComplete(CreateStream (leaseSet, port));
else
{
auto s = GetSharedFromThis ();
RequestDestination (dest,
[s, streamRequestComplete, port](std::shared_ptr<i2p::data::LeaseSet> ls)
{
if (ls)
streamRequestComplete(s->CreateStream (ls, port));
else
streamRequestComplete (nullptr);
});
}
}
else
{
auto s = GetSharedFromThis ();
RequestDestination (dest,
[s, streamRequestComplete, port](std::shared_ptr<i2p::data::LeaseSet> ls)
{
if (ls)
streamRequestComplete(s->CreateStream (ls, port));
// call if tunnel is not ready
AddReadyCallback([&](const boost::system::error_code & ec) {
if(ec)
streamRequestComplete(nullptr);
else
streamRequestComplete (nullptr);
});
CreateStream(streamRequestComplete, dest, port);
});
}
}
@ -837,18 +883,18 @@ namespace client
return nullptr;
}
std::shared_ptr<i2p::stream::StreamingDestination> ClientDestination::GetStreamingDestination (int port) const
{
if (port)
std::shared_ptr<i2p::stream::StreamingDestination> ClientDestination::GetStreamingDestination (int port) const
{
if (port)
{
auto it = m_StreamingDestinationsByPorts.find (port);
if (it != m_StreamingDestinationsByPorts.end ())
return it->second;
}
}
// if port is zero or not found, use default destination
return m_StreamingDestination;
return m_StreamingDestination;
}
void ClientDestination::AcceptStreams (const i2p::stream::StreamingDestination::Acceptor& acceptor)
{
if (m_StreamingDestination)
@ -860,35 +906,35 @@ namespace client
if (m_StreamingDestination)
m_StreamingDestination->ResetAcceptor ();
}
bool ClientDestination::IsAcceptingStreams () const
{
if (m_StreamingDestination)
return m_StreamingDestination->IsAcceptorSet ();
return false;
}
}
void ClientDestination::AcceptOnce (const i2p::stream::StreamingDestination::Acceptor& acceptor)
{
if (m_StreamingDestination)
m_StreamingDestination->AcceptOnce (acceptor);
}
}
std::shared_ptr<i2p::stream::StreamingDestination> ClientDestination::CreateStreamingDestination (int port, bool gzip)
{
auto dest = std::make_shared<i2p::stream::StreamingDestination> (GetSharedFromThis (), port, gzip);
auto dest = std::make_shared<i2p::stream::StreamingDestination> (GetSharedFromThis (), port, gzip);
if (port)
m_StreamingDestinationsByPorts[port] = dest;
else // update default
else // update default
m_StreamingDestination = dest;
return dest;
}
}
i2p::datagram::DatagramDestination * ClientDestination::CreateDatagramDestination ()
{
if (m_DatagramDestination == nullptr)
m_DatagramDestination = new i2p::datagram::DatagramDestination (GetSharedFromThis ());
return m_DatagramDestination;
return m_DatagramDestination;
}
std::vector<std::shared_ptr<const i2p::stream::Stream> > ClientDestination::GetAllStreams () const
@ -898,12 +944,12 @@ namespace client
{
for (auto& it: m_StreamingDestination->GetStreams ())
ret.push_back (it.second);
}
}
for (auto& it: m_StreamingDestinationsByPorts)
for (auto& it1: it.second->GetStreams ())
ret.push_back (it1.second);
return ret;
}
}
void ClientDestination::PersistTemporaryKeys ()
{
@ -927,7 +973,7 @@ namespace client
return;
}
LogPrint(eLogError, "Destinations: Can't save keys to ", path);
}
}
void ClientDestination::CreateNewLeaseSet (std::vector<std::shared_ptr<i2p::tunnel::InboundTunnel> > tunnels)
{
@ -935,7 +981,7 @@ namespace client
// sign
Sign (leaseSet->GetBuffer (), leaseSet->GetBufferLen () - leaseSet->GetSignatureLen (), leaseSet->GetSignature ()); // TODO
SetLeaseSet (leaseSet);
}
}
void ClientDestination::CleanupDestination ()
{

View File

@ -63,6 +63,7 @@ namespace client
public std::enable_shared_from_this<LeaseSetDestination>
{
typedef std::function<void (std::shared_ptr<i2p::data::LeaseSet> leaseSet)> RequestComplete;
typedef std::function<void (const boost::system::error_code &)> ReadyCallback;
// leaseSet = nullptr means not found
struct LeaseSetRequest
{
@ -108,6 +109,8 @@ namespace client
void ProcessDeliveryStatusMessage (std::shared_ptr<I2NPMessage> msg);
void SetLeaseSetUpdated ();
void AddReadyCallback(ReadyCallback cb);
protected:
void SetLeaseSet (i2p::data::LocalLeaseSet * newLeaseSet);
@ -131,7 +134,8 @@ namespace client
void RequestLeaseSet (const i2p::data::IdentHash& dest, RequestComplete requestComplete);
bool SendLeaseSetRequest (const i2p::data::IdentHash& dest, std::shared_ptr<const i2p::data::RouterInfo> nextFloodfill, std::shared_ptr<LeaseSetRequest> request);
void HandleRequestTimoutTimer (const boost::system::error_code& ecode, const i2p::data::IdentHash& dest);
void HandleCleanupTimer (const boost::system::error_code& ecode);
void HandleCleanupTimer (const boost::system::error_code& ecode);
void HandleReadyCheckTimer (const boost::system::error_code& ecode);
void CleanupRemoteLeaseSets ();
private:
@ -152,7 +156,9 @@ namespace client
std::set<i2p::data::IdentHash> m_ExcludedFloodfills; // for publishing
boost::asio::deadline_timer m_PublishConfirmationTimer, m_PublishVerificationTimer,
m_PublishDelayTimer, m_CleanupTimer;
m_PublishDelayTimer, m_CleanupTimer, m_ReadyCheckTimer;
std::vector<ReadyCallback> m_ReadyCallbacks;
public:
@ -182,9 +188,9 @@ namespace client
void Sign (const uint8_t * buf, int len, uint8_t * signature) const { m_Keys.Sign (buf, len, signature); };
// ref counter
int Acquire () { return ++m_RefCounter; };
int Acquire () { return ++m_RefCounter; };
int Release () { return --m_RefCounter; };
int GetRefCounter () const { return m_RefCounter; };
int GetRefCounter () const { return m_RefCounter; };
// streaming
std::shared_ptr<i2p::stream::StreamingDestination> CreateStreamingDestination (int port, bool gzip = true); // additional