mirror of
https://github.com/XRPLF/clio.git
synced 2026-04-29 15:37:53 +00:00
fbdd6d6105
This PR adds an option to limit simultaneous cache loading in a cluster to one node at a time. Fixes #2707
103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
//------------------------------------------------------------------------------
|
|
/*
|
|
This file is part of clio: https://github.com/XRPLF/clio
|
|
Copyright (c) 2026, the clio developers.
|
|
|
|
Permission to use, copy, modify, and 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 "data/LedgerCache.hpp"
|
|
#include "data/LedgerCacheLoadingState.hpp"
|
|
#include "util/MockPrometheus.hpp"
|
|
|
|
#include <gtest/gtest.h>
|
|
|
|
#include <chrono>
|
|
#include <semaphore>
|
|
#include <thread>
|
|
|
|
using namespace data;
|
|
|
|
struct LedgerCacheLoadingStateTest : util::prometheus::WithPrometheus {
|
|
LedgerCache cache;
|
|
LedgerCacheLoadingState state{cache};
|
|
};
|
|
|
|
TEST_F(LedgerCacheLoadingStateTest, DefaultStateLoadingNotAllowed)
|
|
{
|
|
EXPECT_FALSE(state.isLoadingAllowed());
|
|
}
|
|
|
|
TEST_F(LedgerCacheLoadingStateTest, AllowLoadingPermitsLoading)
|
|
{
|
|
state.allowLoading();
|
|
EXPECT_TRUE(state.isLoadingAllowed());
|
|
}
|
|
|
|
TEST_F(LedgerCacheLoadingStateTest, IsCurrentlyLoadingDelegatesToCache)
|
|
{
|
|
EXPECT_FALSE(state.isCurrentlyLoading());
|
|
cache.startLoading();
|
|
EXPECT_TRUE(state.isCurrentlyLoading());
|
|
cache.setFull();
|
|
EXPECT_FALSE(state.isCurrentlyLoading());
|
|
}
|
|
|
|
TEST_F(LedgerCacheLoadingStateTest, CloneSharesAllowedFlag)
|
|
{
|
|
auto clone = state.clone();
|
|
ASSERT_NE(clone, nullptr);
|
|
|
|
EXPECT_FALSE(clone->isLoadingAllowed());
|
|
state.allowLoading();
|
|
EXPECT_TRUE(clone->isLoadingAllowed());
|
|
}
|
|
|
|
TEST_F(LedgerCacheLoadingStateTest, AllowLoadingOnCloneVisibleToOriginal)
|
|
{
|
|
auto clone = state.clone();
|
|
clone->allowLoading();
|
|
EXPECT_TRUE(state.isLoadingAllowed());
|
|
}
|
|
|
|
TEST_F(LedgerCacheLoadingStateTest, WaitForLoadingAllowedReturnsIfAlreadyAllowed)
|
|
{
|
|
state.allowLoading();
|
|
std::binary_semaphore done{0};
|
|
std::thread t{[&] {
|
|
state.waitForLoadingAllowed();
|
|
done.release();
|
|
}};
|
|
EXPECT_TRUE(done.try_acquire_for(std::chrono::milliseconds{1000}));
|
|
t.join();
|
|
}
|
|
|
|
TEST_F(LedgerCacheLoadingStateTest, WaitForLoadingAllowedUnblocksWhenAllowed)
|
|
{
|
|
std::binary_semaphore started{0};
|
|
std::binary_semaphore done{0};
|
|
std::thread waiter{[&] {
|
|
started.release();
|
|
state.waitForLoadingAllowed();
|
|
done.release();
|
|
}};
|
|
|
|
EXPECT_TRUE(started.try_acquire_for(std::chrono::milliseconds{1000}));
|
|
EXPECT_FALSE(done.try_acquire_for(std::chrono::milliseconds{10}));
|
|
|
|
state.allowLoading();
|
|
EXPECT_TRUE(done.try_acquire_for(std::chrono::milliseconds{1000}));
|
|
waiter.join();
|
|
}
|