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#include "capi_tester.hpp"
#include "duckdb/common/vector.hpp"
#include <thread>
using namespace duckdb;
using namespace std;
class CustomLogStore {
public:
// Concurrent insertions.
void Insert(const string &msg) {
m.lock();
store.insert(msg);
m.unlock();
}
// NOTE: Not concurrency-safe helper functions.
void Reset() {
store.clear();
}
bool Contains(const string &key) const {
for (const auto &elem : store) {
if (StringUtil::Contains(elem, key)) {
return true;
}
}
return false;
}
bool Find(const string &key) const {
return store.find(key) != store.end();
}
private:
mutex m;
unordered_set<string> store;
};
CustomLogStore my_log_store;
struct MyCopyFunctionExtraData {
string mode;
};
void WriteLogEntry(void *extra_data, duckdb_timestamp *timestamp, const char *level, const char *log_type,
const char *log_message) {
if (!extra_data) {
my_log_store.Insert(log_message);
return;
}
const auto data = static_cast<MyCopyFunctionExtraData *>(extra_data);
if (StringUtil::CIEquals(data->mode, "full log")) {
my_log_store.Insert(to_string(timestamp->micros) + ", " + level + ", " + log_type + ", " + log_message);
return;
}
my_log_store.Insert(log_message);
}
TEST_CASE("Test a custom log storage in the CAPI with extra data", "[capi]") {
CAPITester tester;
duckdb::unique_ptr<CAPIResult> result;
my_log_store.Reset();
REQUIRE(tester.OpenDatabase(nullptr));
auto my_extra_data = new MyCopyFunctionExtraData();
my_extra_data->mode = "full log";
auto log_storage = duckdb_create_log_storage();
duckdb_log_storage_set_write_log_entry(log_storage, nullptr);
duckdb_log_storage_set_write_log_entry(nullptr, WriteLogEntry);
duckdb_log_storage_set_write_log_entry(log_storage, WriteLogEntry);
duckdb_log_storage_set_name(log_storage, "MyCustomStorage");
duckdb_log_storage_set_extra_data(log_storage, my_extra_data, [](void *extra_data) {
const auto data = static_cast<MyCopyFunctionExtraData *>(extra_data);
delete data;
});
auto state = duckdb_register_log_storage(tester.database, log_storage);
REQUIRE(state == DuckDBSuccess);
// Log storage already exists.
state = duckdb_register_log_storage(tester.database, log_storage);
REQUIRE(state == DuckDBError);
REQUIRE_NO_FAIL(tester.Query("SET enable_logging = true;"));
REQUIRE_NO_FAIL(tester.Query("SET logging_storage = 'MyCustomStorage';"));
REQUIRE_NO_FAIL(tester.Query("SELECT write_log('HELLO, BRO');"));
REQUIRE(my_log_store.Contains("INFO, QueryLog, SELECT write_log('HELLO, BRO');"));
duckdb_destroy_log_storage(&log_storage);
}
TEST_CASE("Test logging silent exceptions using a custom log storage in the CAPI", "[capi]") {
CAPITester tester;
duckdb::unique_ptr<CAPIResult> result;
my_log_store.Reset();
REQUIRE(tester.OpenDatabase(nullptr));
auto log_storage = duckdb_create_log_storage();
duckdb_log_storage_set_write_log_entry(log_storage, WriteLogEntry);
duckdb_log_storage_set_name(log_storage, "MyCustomStorage");
duckdb_register_log_storage(tester.database, log_storage);
REQUIRE_NO_FAIL(tester.Query("CALL enable_logging(level = 'error');"));
REQUIRE_NO_FAIL(tester.Query("SET logging_storage = 'MyCustomStorage';"));
auto path = TestCreatePath("log_storage_test.db");
REQUIRE_NO_FAIL(tester.Query("ATTACH '" + path + "'"));
REQUIRE_NO_FAIL(tester.Query("PRAGMA wal_autocheckpoint = '1TB';"));
REQUIRE_NO_FAIL(tester.Query("PRAGMA debug_checkpoint_abort = 'before_header';"));
REQUIRE_NO_FAIL(tester.Query("CREATE TABLE log_storage_test.integers AS SELECT * FROM range(100) tbl(i);"));
// Shut down - should silently fail while resetting the databases.
tester.Cleanup();
REQUIRE(my_log_store.Contains("Failed to create checkpoint because of error"));
duckdb_destroy_log_storage(&log_storage);
}
void workUnit(duckdb_database db, idx_t worker_id) {
duckdb_connection conn;
if (duckdb_connect(db, &conn) != DuckDBSuccess) {
return;
}
duckdb_result result;
auto state = duckdb_query(conn, "PRAGMA disable_profiling;", &result);
if (state != DuckDBSuccess) {
return;
}
duckdb_destroy_result(&result);
for (idx_t i = 0; i < 10; i++) {
string log_msg = "worker: " + to_string(worker_id) + " iteration: " + to_string(i);
string query = "SELECT write_log('" + log_msg + "');";
state = duckdb_query(conn, query.c_str(), &result);
duckdb_destroy_result(&result);
if (state != DuckDBSuccess) {
return;
}
}
duckdb_disconnect(&conn);
}
TEST_CASE("Test a concurrent custom log storage in the CAPI", "[capi]") {
CAPITester tester;
duckdb::unique_ptr<CAPIResult> result;
my_log_store.Reset();
REQUIRE(tester.OpenDatabase(nullptr));
auto log_storage = duckdb_create_log_storage();
duckdb_log_storage_set_write_log_entry(log_storage, WriteLogEntry);
duckdb_log_storage_set_name(log_storage, "MyCustomStorage");
duckdb_register_log_storage(tester.database, log_storage);
REQUIRE_NO_FAIL(tester.Query("PRAGMA disable_profiling;"));
REQUIRE_NO_FAIL(tester.Query("SET enable_logging = true;"));
REQUIRE_NO_FAIL(tester.Query("SET logging_storage = 'MyCustomStorage';"));
duckdb::vector<std::thread> workers;
for (idx_t worker_id = 0; worker_id < 10; worker_id++) {
workers.emplace_back(workUnit, tester.database, worker_id);
}
for (auto &worker : workers) {
worker.join();
}
// Ensure that all our logs are there.
for (idx_t worker_id = 0; worker_id < 10; worker_id++) {
for (idx_t i = 0; i < 10; i++) {
string log_msg = "worker: " + to_string(worker_id) + " iteration: " + to_string(i);
REQUIRE(my_log_store.Find(log_msg));
}
}
duckdb_destroy_log_storage(&log_storage);
}
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