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504b3441dd
Resource limits were not properly applied to connections with known IP addresses but no corresponding users. Add unit tests for unlimited vs. limited ports.
111 lines
3.2 KiB
C++
111 lines
3.2 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2012, 2013 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef RIPPLE_RESOURCE_ENTRY_H_INCLUDED
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#define RIPPLE_RESOURCE_ENTRY_H_INCLUDED
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#include <ripple/basics/DecayingSample.h>
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#include <ripple/resource/impl/Key.h>
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#include <ripple/resource/impl/Tuning.h>
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#include <ripple/beast/clock/abstract_clock.h>
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#include <ripple/beast/core/List.h>
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#include <cassert>
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namespace ripple {
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namespace Resource {
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using clock_type = beast::abstract_clock <std::chrono::steady_clock>;
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// An entry in the table
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// VFALCO DEPRECATED using boost::intrusive list
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struct Entry
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: public beast::List <Entry>::Node
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{
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Entry () = delete;
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/**
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@param now Construction time of Entry.
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*/
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explicit Entry(clock_type::time_point const now)
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: refcount (0)
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, local_balance (now)
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, remote_balance (0)
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, lastWarningTime ()
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, whenExpires ()
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{
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}
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std::string to_string() const
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{
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return key->address.to_string();
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}
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/**
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* Returns `true` if this connection should have no
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* resource limits applied--it is still possible for certain RPC commands
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* to be forbidden, but that depends on Role.
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*/
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bool isUnlimited () const
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{
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return key->kind == kindUnlimited;
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}
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// Balance including remote contributions
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int balance (clock_type::time_point const now)
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{
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return local_balance.value (now) + remote_balance;
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}
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// Add a charge and return normalized balance
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// including contributions from imports.
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int add (int charge, clock_type::time_point const now)
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{
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return local_balance.add (charge, now) + remote_balance;
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}
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// Back pointer to the map key (bit of a hack here)
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Key const* key;
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// Number of Consumer references
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int refcount;
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// Exponentially decaying balance of resource consumption
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DecayingSample <decayWindowSeconds, clock_type> local_balance;
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// Normalized balance contribution from imports
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int remote_balance;
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// Time of the last warning
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clock_type::time_point lastWarningTime;
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// For inactive entries, time after which this entry will be erased
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clock_type::time_point whenExpires;
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};
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inline std::ostream& operator<< (std::ostream& os, Entry const& v)
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{
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os << v.to_string();
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return os;
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}
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}
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}
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#endif
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