From 422f8b36607a81a3780d5857a5a7b1bba1cd1cbd Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Sun, 12 Feb 2017 20:52:46 -0500
Subject: [PATCH] publish with min interval of 20 seconds

---
 Destination.cpp | 21 +++++++++++++++++++--
 Destination.h   |  6 +++++-
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/Destination.cpp b/Destination.cpp
index ac812da4..06fcf6b3 100644
--- a/Destination.cpp
+++ b/Destination.cpp
@@ -14,8 +14,8 @@ 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_PublishConfirmationTimer (m_Service), 
-		m_PublishVerificationTimer (m_Service), m_CleanupTimer (m_Service)
+		m_PublishReplyToken (0), m_LastSubmissionTime (0), m_PublishConfirmationTimer (m_Service), 
+		m_PublishVerificationTimer (m_Service), m_PublishDelayTimer (m_Service), m_CleanupTimer (m_Service)
 	{
 		int inLen   = DEFAULT_INBOUND_TUNNEL_LENGTH;
 		int inQty   = DEFAULT_INBOUND_TUNNELS_QUANTITY;
@@ -426,6 +426,16 @@ namespace client
 			LogPrint (eLogDebug, "Destination: Publishing LeaseSet is pending");
 			return;
 		}
+		auto ts = i2p::util::GetSecondsSinceEpoch ();
+		if (ts < m_LastSubmissionTime + PUBLISH_MIN_INTERVAL)
+		{
+			LogPrint (eLogDebug, "Destination: Publishing LeaseSet is too fast. Wait for ", PUBLISH_MIN_INTERVAL, " seconds");
+			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));	
+			return;
+		}	
 		auto outbound = m_Pool->GetNextOutboundTunnel ();
 		if (!outbound)
 		{
@@ -453,6 +463,7 @@ namespace client
 		m_PublishConfirmationTimer.async_wait (std::bind (&LeaseSetDestination::HandlePublishConfirmationTimer,
 			shared_from_this (), std::placeholders::_1));	
 		outbound->SendTunnelDataMsg (floodfill->GetIdentHash (), 0, msg);	
+		m_LastSubmissionTime = ts;
 	}
 
 	void LeaseSetDestination::HandlePublishConfirmationTimer (const boost::system::error_code& ecode)
@@ -498,6 +509,12 @@ namespace client
 		}
 	}
 
+	void LeaseSetDestination::HandlePublishDelayTimer (const boost::system::error_code& ecode)
+	{
+		if (ecode != boost::asio::error::operation_aborted)
+			Publish ();
+	}	
+		
 	bool LeaseSetDestination::RequestDestination (const i2p::data::IdentHash& dest, RequestComplete requestComplete)
 	{
 		if (!m_Pool || !IsReady ()) 
diff --git a/Destination.h b/Destination.h
index 7a4e0b64..e077c016 100644
--- a/Destination.h
+++ b/Destination.h
@@ -30,6 +30,7 @@ namespace client
 	const uint8_t PROTOCOL_TYPE_RAW = 18;	
 	const int PUBLISH_CONFIRMATION_TIMEOUT = 5; // in seconds
 	const int PUBLISH_VERIFICATION_TIMEOUT = 10; // in seconds after successfull publish
+	const int PUBLISH_MIN_INTERVAL = 20; // in seconds 
 	const int PUBLISH_REGULAR_VERIFICATION_INTERNAL = 100; // in seconds periodically	
 	const int LEASESET_REQUEST_TIMEOUT = 5; // in seconds
 	const int MAX_LEASESET_REQUEST_TIMEOUT = 40; // in seconds
@@ -122,6 +123,7 @@ namespace client
 			void Publish ();
 			void HandlePublishConfirmationTimer (const boost::system::error_code& ecode);
 			void HandlePublishVerificationTimer (const boost::system::error_code& ecode);
+			void HandlePublishDelayTimer (const boost::system::error_code& ecode);
 			void HandleDatabaseStoreMessage (const uint8_t * buf, size_t len);
 			void HandleDatabaseSearchReplyMessage (const uint8_t * buf, size_t len);
 			void HandleDeliveryStatusMessage (std::shared_ptr<I2NPMessage> msg);		
@@ -146,9 +148,11 @@ namespace client
 			std::shared_ptr<i2p::data::LocalLeaseSet> m_LeaseSet;
 			bool m_IsPublic;
 			uint32_t m_PublishReplyToken;
+			uint64_t m_LastSubmissionTime; // in seconds
 			std::set<i2p::data::IdentHash> m_ExcludedFloodfills; // for publishing
 	
-			boost::asio::deadline_timer m_PublishConfirmationTimer, m_PublishVerificationTimer, m_CleanupTimer;
+			boost::asio::deadline_timer m_PublishConfirmationTimer, m_PublishVerificationTimer, 
+				m_PublishDelayTimer, m_CleanupTimer;
 
 		public: