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Code Issues Releases Activity

LeaseSet request complete callback

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This commit is contained in:
orignal 2014-12-26 19:09:44 -05:00
parent 64df22def8
commit 6fb5fa1c52
3 changed files with 47 additions and 26 deletions
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18
AddressBook.cpp
View File

@ -430,12 +430,22 @@ namespace client
i2p::data::IdentHash ident;
if (m_Book.GetIdentHash (u.host_, ident))
{
std::condition_variable newDataReceived;
std::mutex newDataReceivedMutex;
const i2p::data::LeaseSet * leaseSet = i2p::data::netdb.FindLeaseSet (ident);
if (!leaseSet)
{
i2p::client::context.GetSharedLocalDestination ()->RequestDestination (ident);
std::this_thread::sleep_for (std::chrono::seconds (5)); // wait for 5 seconds
leaseSet = i2p::client::context.GetSharedLocalDestination ()->FindLeaseSet (ident);
bool found = false;
std::unique_lock<std::mutex> l(newDataReceivedMutex);
i2p::client::context.GetSharedLocalDestination ()->RequestDestination (ident,
[&newDataReceived, &found](bool success)
{
found = success;
newDataReceived.notify_all ();
});
newDataReceived.wait (l);
if (found)
leaseSet = i2p::client::context.GetSharedLocalDestination ()->FindLeaseSet (ident);
}
if (leaseSet)
{
@ -455,8 +465,6 @@ namespace client
bool end = false;
while (!end)
{
std::condition_variable newDataReceived;
std::mutex newDataReceivedMutex;
stream->AsyncReceive (boost::asio::buffer (buf, 4096),
[&](const boost::system::error_code& ecode, std::size_t bytes_transferred)
{

46
Destination.cpp
View File

@ -211,8 +211,9 @@ namespace client
auto it1 = m_LeaseSetRequests.find (msg->key);
if (it1 != m_LeaseSetRequests.end ())
{
if (it1->second->requestComplete) it1->second->requestComplete (true);
delete it1->second;
m_LeaseSetRequests.erase (it1);
m_LeaseSetRequests.erase (it1);
}
size_t offset = sizeof (I2NPDatabaseStoreMsg);
if (msg->replyToken) // TODO:
@ -242,10 +243,11 @@ namespace client
int num = buf[32]; // num
LogPrint ("DatabaseSearchReply for ", key.ToBase64 (), " num=", num);
auto it = m_LeaseSetRequests.find (key);
if (it != m_LeaseSetRequests.end ())
if (it != m_LeaseSetRequests.end ())
{
LeaseSetRequest * request = it->second;
bool found = false;
if (it->second->excluded.size () < MAX_NUM_FLOODFILLS_PER_REQUEST)
if (request->excluded.size () < MAX_NUM_FLOODFILLS_PER_REQUEST)
{
for (int i = 0; i < num; i++)
{
@ -253,8 +255,9 @@ namespace client
auto floodfill = i2p::data::netdb.FindRouter (peerHash);
if (floodfill)
{
found = true;
SendLeaseSetRequest (key, floodfill, it->second);
LogPrint (eLogInfo, "Requesting ", key.ToBase64 (), " at ", peerHash.ToBase64 ());
if (SendLeaseSetRequest (key, floodfill, request))
found = true;
}
else
{
@ -262,14 +265,16 @@ namespace client
i2p::data::netdb.RequestDestination (peerHash);
}
}
if (!found)
LogPrint (eLogError, "Suggested floodfills are not presented in netDb");
}
else
LogPrint (eLogInfo, key.ToBase64 (), " was not found on ", MAX_NUM_FLOODFILLS_PER_REQUEST," floodfills");
if (!found)
{
LogPrint (eLogError, "Suggested floodfills are not presented in netDb");
delete it->second;
m_LeaseSetRequests.erase (it);
if (request->requestComplete) request->requestComplete (false);
delete request;
m_LeaseSetRequests.erase (key);
}
}
else
@ -407,28 +412,35 @@ namespace client
return m_DatagramDestination;
}
bool ClientDestination::RequestDestination (const i2p::data::IdentHash& dest)
bool ClientDestination::RequestDestination (const i2p::data::IdentHash& dest, RequestComplete requestComplete)
{
if (!m_Pool || !IsReady ()) return false;
m_Service.post (std::bind (&ClientDestination::RequestLeaseSet, this, dest));
m_Service.post (std::bind (&ClientDestination::RequestLeaseSet, this, dest, requestComplete));
return true;
}
void ClientDestination::RequestLeaseSet (const i2p::data::IdentHash& dest)
void ClientDestination::RequestLeaseSet (const i2p::data::IdentHash& dest, RequestComplete requestComplete)
{
std::set<i2p::data::IdentHash> excluded;
auto floodfill = i2p::data::netdb.GetClosestFloodfill (dest, excluded);
if (floodfill)
{
LeaseSetRequest * request = new LeaseSetRequest (m_Service);
request->requestComplete = requestComplete;
m_LeaseSetRequests[dest] = request;
SendLeaseSetRequest (dest, floodfill, request);
if (!SendLeaseSetRequest (dest, floodfill, request))
{
// request failed
if (request->requestComplete) request->requestComplete (false);
delete request;
m_LeaseSetRequests.erase (dest);
}
}
else
LogPrint (eLogError, "No floodfills found");
}
void ClientDestination::SendLeaseSetRequest (const i2p::data::IdentHash& dest,
bool ClientDestination::SendLeaseSetRequest (const i2p::data::IdentHash& dest,
std::shared_ptr<const i2p::data::RouterInfo> nextFloodfill, LeaseSetRequest * request)
{
auto replyTunnel = m_Pool->GetNextInboundTunnel ();
@ -459,11 +471,8 @@ namespace client
this, std::placeholders::_1, dest));
}
else
{
// request failed
delete request;
m_LeaseSetRequests.erase (dest);
}
return false;
return true;
}
void ClientDestination::HandleRequestTimoutTimer (const boost::system::error_code& ecode, const i2p::data::IdentHash& dest)
@ -491,6 +500,7 @@ namespace client
if (done)
{
if (it->second->requestComplete) it->second->requestComplete (false);
delete it->second;
m_LeaseSetRequests.erase (it);
}

9
Destination.h
View File

@ -7,6 +7,7 @@
#include <map>
#include <set>
#include <string>
#include <functional>
#include <boost/asio.hpp>
#include "Identity.h"
#include "TunnelPool.h"
@ -37,12 +38,14 @@ namespace client
class ClientDestination: public i2p::garlic::GarlicDestination
{
typedef std::function<void (bool success)> RequestComplete;
struct LeaseSetRequest
{
LeaseSetRequest (boost::asio::io_service& service): requestTime (0), requestTimeoutTimer (service) {};
std::set<i2p::data::IdentHash> excluded;
uint64_t requestTime;
boost::asio::deadline_timer requestTimeoutTimer;
RequestComplete requestComplete;
};
public:
@ -57,7 +60,7 @@ namespace client
i2p::tunnel::TunnelPool * GetTunnelPool () { return m_Pool; };
bool IsReady () const { return m_LeaseSet && m_LeaseSet->HasNonExpiredLeases (); };
const i2p::data::LeaseSet * FindLeaseSet (const i2p::data::IdentHash& ident);
bool RequestDestination (const i2p::data::IdentHash& dest);
bool RequestDestination (const i2p::data::IdentHash& dest, RequestComplete requestComplete = nullptr);
// streaming
i2p::stream::StreamingDestination * GetStreamingDestination () const { return m_StreamingDestination; };
@ -98,8 +101,8 @@ namespace client
void HandleDatabaseSearchReplyMessage (const uint8_t * buf, size_t len);
void HandleDeliveryStatusMessage (I2NPMessage * msg);
void RequestLeaseSet (const i2p::data::IdentHash& dest);
void SendLeaseSetRequest (const i2p::data::IdentHash& dest, std::shared_ptr<const i2p::data::RouterInfo> nextFloodfill, LeaseSetRequest * request);
void RequestLeaseSet (const i2p::data::IdentHash& dest, RequestComplete requestComplete);
bool SendLeaseSetRequest (const i2p::data::IdentHash& dest, std::shared_ptr<const i2p::data::RouterInfo> nextFloodfill, LeaseSetRequest * request);
void HandleRequestTimoutTimer (const boost::system::error_code& ecode, const i2p::data::IdentHash& dest);
private: