resend more interval variance

libi2pd/SSU2.cpp

@@ -973,7 +973,8 @@ namespace transport
 
 	void SSU2Server::ScheduleResend (bool more)
 	{
-		m_ResendTimer.expires_from_now (boost::posix_time::milliseconds (more ? SSU2_RESEND_CHECK_MORE_TIMEOUT :
+		m_ResendTimer.expires_from_now (boost::posix_time::milliseconds (more ? 
+		    (SSU2_RESEND_CHECK_MORE_TIMEOUT + rand () % SSU2_RESEND_CHECK_MORE_TIMEOUT_VARIANCE):
 			(SSU2_RESEND_CHECK_TIMEOUT + rand () % SSU2_RESEND_CHECK_TIMEOUT_VARIANCE)));
 		m_ResendTimer.async_wait (std::bind (&SSU2Server::HandleResendTimer,
 			this, std::placeholders::_1));

libi2pd/SSU2.h

@@ -23,7 +23,8 @@ namespace transport
 	const int SSU2_CLEANUP_INTERVAL = 72; // in seconds
 	const int SSU2_RESEND_CHECK_TIMEOUT = 40; // in milliseconds
 	const int SSU2_RESEND_CHECK_TIMEOUT_VARIANCE = 10; // in milliseconds
-	const int SSU2_RESEND_CHECK_MORE_TIMEOUT = 10; // in milliseconds
+	const int SSU2_RESEND_CHECK_MORE_TIMEOUT = 4; // in milliseconds
+	const int SSU2_RESEND_CHECK_MORE_TIMEOUT_VARIANCE = 9; // in milliseconds
 	const size_t SSU2_MAX_RESEND_PACKETS = 128; // packets to resend at the time
 	const uint64_t SSU2_SOCKET_MIN_BUFFER_SIZE = 128 * 1024;
 	const uint64_t SSU2_SOCKET_MAX_BUFFER_SIZE = 4 * 1024 * 1024;