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Report NP Web API memory pool statistics for active library contexts

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This commit is contained in:
nmzik
2026-10-03 16:15:17 +04:00
parent 92c22d60ef
commit c3330caba2
2 changed files with 87 additions and 5 deletions
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tests/KernelFileSystemTests.cpp
+42
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@@ -47,6 +47,10 @@ namespace Libs::LibNet {
void InitNet_1_Net(Loader::SymbolDatabase *symbols);
}
namespace Libs::LibNpWebApi2 {
void InitNet_1_NpWebApi2(Loader::SymbolDatabase *symbols);
}
namespace {
namespace FileSystem = Libs::LibKernel::FileSystem;
@@ -212,6 +216,43 @@ void TestAioBatches() {
Check(FileSystem::KernelClose(fd) == OK, "close AIO read fixture");
}
void TestNpWebApi2Memory() {
Loader::SymbolDatabase symbols;
Libs::LibNpWebApi2::InitNet_1_NpWebApi2(&symbols);
const auto find = [&](const char *nid) {
const auto *symbol = symbols.FindByNid(nid, Loader::SymbolType::Func);
Check(symbol != nullptr, "NpWebApi2 library and memory exports resolve");
return symbol->vaddr;
};
struct Stats { size_t pool, maximum, current; int32_t reserved; };
static_assert(sizeof(Stats) == 32 && offsetof(Stats, reserved) == 24);
using Initialize = int (KYTY_SYSV_ABI *)(int, size_t);
using GetStats = int (KYTY_SYSV_ABI *)(int, Stats *);
using Terminate = int (KYTY_SYSV_ABI *)(int);
const auto initialize = reinterpret_cast<Initialize>(find("+o9816YQhqQ"));
const auto get_stats = reinterpret_cast<GetStats>(find("Xweb+naPZ8Y"));
const auto terminate = reinterpret_cast<Terminate>(find("bEvXpcEk200"));
const int first = initialize(1, 65537);
const int second = initialize(1, 16384);
Stats stats {1, 2, 3, 4};
Check(first > 0 && second > 0 && first != second &&
get_stats(first, &stats) == OK && stats.pool == 81920 &&
stats.maximum == 0 && stats.current == 0 && stats.reserved == 0 &&
get_stats(second, &stats) == OK && stats.pool == 16384,
"NpWebApi2 statistics retain each context's rounded pool capacity");
Check(get_stats(first, nullptr) == static_cast<int32_t>(0x80553402) &&
get_stats(0, &stats) == static_cast<int32_t>(0x80553403) &&
initialize(1, std::numeric_limits<size_t>::max()) == static_cast<int32_t>(0x80553402),
"NpWebApi2 statistics validate output, context ID, and pool rounding");
Check(terminate(first) == OK &&
get_stats(first, &stats) == static_cast<int32_t>(0x80553404) &&
terminate(first) == static_cast<int32_t>(0x80553404) &&
terminate(-1) == static_cast<int32_t>(0x80553403) &&
get_stats(second, &stats) == OK && stats.pool == 16384 &&
terminate(second) == OK,
"NpWebApi2 termination removes only the selected library context");
}
void CheckMountRoot(const std::filesystem::path &root) {
Common::File cache;
Check(cache.Create(root / "rpf.cache"), "create directory listing fixture");
@@ -921,6 +962,7 @@ int main(int, char**) {
CheckSaveRename(temporary.Path(), "replacement-save");
FileSystem::Shutdown();
CheckSocketWakeup();
TestNpWebApi2Memory();
graphics.reset();
subsystems.Destroy();