Files
xahaud/src/test/resource/Logic_test.cpp
2021-12-15 11:26:13 -08:00

296 lines
8.4 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2012, 2013 Ripple Labs Inc.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#include <ripple/basics/chrono.h>
#include <ripple/basics/random.h>
#include <ripple/beast/unit_test.h>
#include <ripple/resource/Consumer.h>
#include <ripple/resource/impl/Entry.h>
#include <ripple/resource/impl/Logic.h>
#include <test/unit_test/SuiteJournal.h>
#include <boost/utility/base_from_member.hpp>
#include <functional>
namespace ripple {
namespace Resource {
class ResourceManager_test : public beast::unit_test::suite
{
public:
class TestLogic : private boost::base_from_member<TestStopwatch>,
public Logic
{
private:
using clock_type = boost::base_from_member<TestStopwatch>;
public:
explicit TestLogic(beast::Journal journal)
: Logic(beast::insight::NullCollector::New(), member, journal)
{
}
void
advance()
{
++member;
}
TestStopwatch&
clock()
{
return member;
}
};
//--------------------------------------------------------------------------
void
createGossip(Gossip& gossip)
{
std::uint8_t const v(10 + rand_int(9));
std::uint8_t const n(10 + rand_int(9));
gossip.items.reserve(n);
for (std::uint8_t i = 0; i < n; ++i)
{
Gossip::Item item;
item.balance = 100 + rand_int(499);
beast::IP::AddressV4::bytes_type d = {
{192, 0, 2, static_cast<std::uint8_t>(v + i)}};
item.address = beast::IP::Endpoint{beast::IP::AddressV4{d}};
gossip.items.push_back(item);
}
}
//--------------------------------------------------------------------------
void
testDrop(beast::Journal j, bool limited)
{
if (limited)
testcase("Limited warn/drop");
else
testcase("Unlimited warn/drop");
TestLogic logic(j);
Charge const fee(dropThreshold + 1);
beast::IP::Endpoint const addr(
beast::IP::Endpoint::from_string("192.0.2.2"));
std::function<Consumer(beast::IP::Endpoint)> ep = limited
? std::bind(
&TestLogic::newInboundEndpoint, &logic, std::placeholders::_1)
: std::bind(
&TestLogic::newUnlimitedEndpoint,
&logic,
std::placeholders::_1);
{
Consumer c(ep(addr));
// Create load until we get a warning
int n = 10000;
while (--n >= 0)
{
if (n == 0)
{
if (limited)
fail("Loop count exceeded without warning");
else
pass();
return;
}
if (c.charge(fee) == warn)
{
if (limited)
pass();
else
fail("Should loop forever with no warning");
break;
}
++logic.clock();
}
// Create load until we get dropped
while (--n >= 0)
{
if (n == 0)
{
if (limited)
fail("Loop count exceeded without dropping");
else
pass();
return;
}
if (c.charge(fee) == drop)
{
// Disconnect abusive Consumer
BEAST_EXPECT(c.disconnect(j) == limited);
break;
}
++logic.clock();
}
}
// Make sure the consumer is on the blacklist for a while.
{
Consumer c(logic.newInboundEndpoint(addr));
logic.periodicActivity();
if (c.disposition() != drop)
{
if (limited)
fail("Dropped consumer not put on blacklist");
else
pass();
return;
}
}
// Makes sure the Consumer is eventually removed from blacklist
bool readmitted = false;
{
using namespace std::chrono_literals;
// Give Consumer time to become readmitted. Should never
// exceed expiration time.
auto n = secondsUntilExpiration + 1s;
while (--n > 0s)
{
++logic.clock();
logic.periodicActivity();
Consumer c(logic.newInboundEndpoint(addr));
if (c.disposition() != drop)
{
readmitted = true;
break;
}
}
}
if (readmitted == false)
{
fail("Dropped Consumer left on blacklist too long");
return;
}
pass();
}
void
testImports(beast::Journal j)
{
testcase("Imports");
TestLogic logic(j);
Gossip g[5];
for (int i = 0; i < 5; ++i)
createGossip(g[i]);
for (int i = 0; i < 5; ++i)
logic.importConsumers(std::to_string(i), g[i]);
pass();
}
void
testImport(beast::Journal j)
{
testcase("Import");
TestLogic logic(j);
Gossip g;
Gossip::Item item;
item.balance = 100;
beast::IP::AddressV4::bytes_type d = {{192, 0, 2, 1}};
item.address = beast::IP::Endpoint{beast::IP::AddressV4{d}};
g.items.push_back(item);
logic.importConsumers("g", g);
pass();
}
void
testCharges(beast::Journal j)
{
testcase("Charge");
TestLogic logic(j);
{
beast::IP::Endpoint address(
beast::IP::Endpoint::from_string("192.0.2.1"));
Consumer c(logic.newInboundEndpoint(address));
Charge fee(1000);
JLOG(j.info()) << "Charging " << c.to_string() << " " << fee
<< " per second";
c.charge(fee);
for (int i = 0; i < 128; ++i)
{
JLOG(j.info()) << "Time= "
<< logic.clock().now().time_since_epoch().count()
<< ", Balance = " << c.balance();
logic.advance();
}
}
{
beast::IP::Endpoint address(
beast::IP::Endpoint::from_string("192.0.2.2"));
Consumer c(logic.newInboundEndpoint(address));
Charge fee(1000);
JLOG(j.info()) << "Charging " << c.to_string() << " " << fee
<< " per second";
for (int i = 0; i < 128; ++i)
{
c.charge(fee);
JLOG(j.info()) << "Time= "
<< logic.clock().now().time_since_epoch().count()
<< ", Balance = " << c.balance();
logic.advance();
}
}
pass();
}
void
run() override
{
using namespace beast::severities;
test::SuiteJournal journal("ResourceManager_test", *this);
testDrop(journal, true);
testDrop(journal, false);
testCharges(journal);
testImports(journal);
testImport(journal);
}
};
BEAST_DEFINE_TESTSUITE(ResourceManager, resource, ripple);
} // namespace Resource
} // namespace ripple