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path: root/lib/backupstore/StoreTestUtils.cpp
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// --------------------------------------------------------------------------
//
// File
//		Name:    StoreTestUtils.cpp
//		Purpose: Utilities for housekeeping and checking a test store
//		Created: 18/02/14
//
// --------------------------------------------------------------------------

#include "Box.h"

#include <cstdio>
#include <vector>

#include "autogen_BackupProtocol.h"
#include "BoxPortsAndFiles.h"
#include "BackupStoreAccounts.h"
#include "BackupStoreAccountDatabase.h"
#include "BackupStoreConfigVerify.h"
#include "BackupStoreConstants.h"
#include "BackupStoreInfo.h"
#include "HousekeepStoreAccount.h"
#include "Logging.h"
#include "ServerControl.h"
#include "SocketStreamTLS.h"
#include "StoreTestUtils.h"
#include "TLSContext.h"
#include "Test.h"

bool create_account(int soft, int hard)
{
	std::string errs;
	std::auto_ptr<Configuration> config(
		Configuration::LoadAndVerify
			("testfiles/bbstored.conf", &BackupConfigFileVerify, errs));
	BackupStoreAccountsControl control(*config);
	
	Logger::LevelGuard guard(Logging::GetConsole(), Log::WARNING);
	int result = control.CreateAccount(0x01234567, 0, soft, hard);
	TEST_EQUAL(0, result);
	return (result == 0);
}

bool delete_account()
{
	std::string errs;
	std::auto_ptr<Configuration> config(
		Configuration::LoadAndVerify
			("testfiles/bbstored.conf", &BackupConfigFileVerify, errs));
	BackupStoreAccountsControl control(*config);
	Logger::LevelGuard guard(Logging::GetConsole(), Log::WARNING);
	TEST_THAT_THROWONFAIL(control.DeleteAccount(0x01234567, false) == 0);
	return true;
}

std::vector<uint32_t> ExpectedRefCounts;
int bbstored_pid = 0, bbackupd_pid = 0, s3simulator_pid = 0;

void set_refcount(int64_t ObjectID, uint32_t RefCount)
{
	if ((int64_t)ExpectedRefCounts.size() <= ObjectID)
	{
		ExpectedRefCounts.resize(ObjectID + 1, 0);
	}
	ExpectedRefCounts[ObjectID] = RefCount;
	for (size_t i = ExpectedRefCounts.size() - 1; i >= 1; i--)
	{
		if (ExpectedRefCounts[i] == 0)
		{
			// BackupStoreCheck and housekeeping will both
			// regenerate the refcount DB without any missing
			// items at the end, so we need to prune ourselves
			// of all items with no references to match.
			ExpectedRefCounts.resize(i);
		}
	}
}

void init_context(TLSContext& rContext)
{
	rContext.Initialise(false /* client */,
			"testfiles/clientCerts.pem",
			"testfiles/clientPrivKey.pem",
			"testfiles/clientTrustedCAs.pem");
}

std::auto_ptr<SocketStream> open_conn(const char *hostname,
	TLSContext& rContext)
{
	init_context(rContext);
	std::auto_ptr<SocketStreamTLS> conn(new SocketStreamTLS);
	conn->Open(rContext, Socket::TypeINET, hostname,
		BOX_PORT_BBSTORED_TEST);
	return static_cast<std::auto_ptr<SocketStream> >(conn);
}

std::auto_ptr<BackupProtocolCallable> connect_to_bbstored(TLSContext& rContext)
{
	// Make a protocol
	std::auto_ptr<BackupProtocolCallable> protocol(new
		BackupProtocolClient(open_conn("localhost", rContext)));
	
	// Check the version
	std::auto_ptr<BackupProtocolVersion> serverVersion(
		protocol->QueryVersion(BACKUP_STORE_SERVER_VERSION));
	TEST_THAT(serverVersion->GetVersion() == BACKUP_STORE_SERVER_VERSION);

	return protocol;
}

std::auto_ptr<BackupProtocolCallable> connect_and_login(TLSContext& rContext,
	int flags)
{
	// Make a protocol
	std::auto_ptr<BackupProtocolCallable> protocol =
		connect_to_bbstored(rContext);

	// Login
	protocol->QueryLogin(0x01234567, flags);

	return protocol;
}

bool check_num_files(int files, int old, int deleted, int dirs)
{
	std::auto_ptr<BackupStoreInfo> apInfo =
		BackupStoreInfo::Load(0x1234567,
		"backup/01234567/", 0, true);
	TEST_EQUAL_LINE(files, apInfo->GetNumCurrentFiles(),
		"current files");
	TEST_EQUAL_LINE(old, apInfo->GetNumOldFiles(),
		"old files");
	TEST_EQUAL_LINE(deleted, apInfo->GetNumDeletedFiles(),
		"deleted files");
	TEST_EQUAL_LINE(dirs, apInfo->GetNumDirectories(),
		"directories");

	return (files == apInfo->GetNumCurrentFiles() &&
		old == apInfo->GetNumOldFiles() &&
		deleted == apInfo->GetNumDeletedFiles() &&
		dirs == apInfo->GetNumDirectories());
}

bool check_num_blocks(BackupProtocolCallable& Client, int Current, int Old,
	int Deleted, int Dirs, int Total)
{
	std::auto_ptr<BackupProtocolAccountUsage2> usage =
		Client.QueryGetAccountUsage2();
	TEST_EQUAL_LINE(Total, usage->GetBlocksUsed(), "wrong BlocksUsed");
	TEST_EQUAL_LINE(Current, usage->GetBlocksInCurrentFiles(),
		"wrong BlocksInCurrentFiles");
	TEST_EQUAL_LINE(Old, usage->GetBlocksInOldFiles(),
		"wrong BlocksInOldFiles");
	TEST_EQUAL_LINE(Deleted, usage->GetBlocksInDeletedFiles(),
		"wrong BlocksInDeletedFiles");
	TEST_EQUAL_LINE(Dirs, usage->GetBlocksInDirectories(),
		"wrong BlocksInDirectories");
	return (Total == usage->GetBlocksUsed() &&
		Current == usage->GetBlocksInCurrentFiles() &&
		Old == usage->GetBlocksInOldFiles() &&
		Deleted == usage->GetBlocksInDeletedFiles() &&
		Dirs == usage->GetBlocksInDirectories());
}

bool change_account_limits(const char* soft, const char* hard)
{
	std::string errs;
	std::auto_ptr<Configuration> config(
		Configuration::LoadAndVerify
			("testfiles/bbstored.conf", &BackupConfigFileVerify, errs));
	BackupStoreAccountsControl control(*config);
	int result = control.SetLimit(0x01234567, soft, hard);
	TEST_EQUAL(0, result);
	return (result == 0);
}

int check_account_for_errors(Log::Level log_level)
{
	Logger::LevelGuard guard(Logging::GetConsole(), log_level);
	Logging::Tagger tag("check fix", true);
	Logging::ShowTagOnConsole show;
	std::string errs;
	std::auto_ptr<Configuration> config(
		Configuration::LoadAndVerify("testfiles/bbstored.conf",
			&BackupConfigFileVerify, errs));
	BackupStoreAccountsControl control(*config);
	int errors_fixed = control.CheckAccount(0x01234567,
		true, // FixErrors
		false, // Quiet
		true); // ReturnNumErrorsFound
	return errors_fixed;
}

bool check_account(Log::Level log_level)
{
	int errors_fixed = check_account_for_errors(log_level);
	TEST_EQUAL(0, errors_fixed);
	return (errors_fixed == 0);
}

int64_t run_housekeeping(BackupStoreAccountDatabase::Entry& rAccount)
{
	std::string rootDir = BackupStoreAccounts::GetAccountRoot(rAccount);
	int discSet = rAccount.GetDiscSet();

	// Do housekeeping on this account
	HousekeepStoreAccount housekeeping(rAccount.GetID(), rootDir,
		discSet, NULL);
	TEST_THAT(housekeeping.DoHousekeeping(true /* keep trying forever */));
	return housekeeping.GetErrorCount();
}

// Run housekeeping (for which we need to disconnect ourselves) and check
// that it doesn't change the numbers of files.
//
// Also check that bbstoreaccounts doesn't change anything

bool run_housekeeping_and_check_account()
{
	int error_count;

	{
		Logging::Tagger tag("", true);
		Logging::ShowTagOnConsole show;
		std::auto_ptr<BackupStoreAccountDatabase> apAccounts(
			BackupStoreAccountDatabase::Read("testfiles/accounts.txt"));
		BackupStoreAccountDatabase::Entry account =
			apAccounts->GetEntry(0x1234567);
		error_count = run_housekeeping(account);
	}

	TEST_EQUAL_LINE(0, error_count, "housekeeping errors");

	bool check_account_is_ok = check_account();
	TEST_THAT(check_account_is_ok);

	return error_count == 0 && check_account_is_ok;
}

bool check_reference_counts()
{
	std::auto_ptr<BackupStoreAccountDatabase> apAccounts(
		BackupStoreAccountDatabase::Read("testfiles/accounts.txt"));
	BackupStoreAccountDatabase::Entry account =
		apAccounts->GetEntry(0x1234567);

	std::auto_ptr<BackupStoreRefCountDatabase> apReferences(
		BackupStoreRefCountDatabase::Load(account, true));
	TEST_EQUAL(ExpectedRefCounts.size(),
		apReferences->GetLastObjectIDUsed() + 1);

	bool counts_ok = true;

	for (unsigned int i = BackupProtocolListDirectory::RootDirectory;
		i < ExpectedRefCounts.size(); i++)
	{
		TEST_EQUAL_LINE(ExpectedRefCounts[i],
			apReferences->GetRefCount(i),
			"object " << BOX_FORMAT_OBJECTID(i));
		if (ExpectedRefCounts[i] != apReferences->GetRefCount(i))
		{
			counts_ok = false;
		}
	}

	return counts_ok;
}

bool StartServer(const std::string& daemon_args)
{
	const std::string& daemon_args_final(daemon_args.size() ? daemon_args : bbstored_args);
	bbstored_pid = StartDaemon(bbstored_pid, BBSTORED " " + daemon_args_final +
		" testfiles/bbstored.conf", "testfiles/bbstored.pid");
	return bbstored_pid != 0;
}

bool StopServer(bool wait_for_process)
{
	bool result = StopDaemon(bbstored_pid, "testfiles/bbstored.pid",
		"bbstored.memleaks", wait_for_process);
	bbstored_pid = 0;
	return result;
}

bool StartClient(const std::string& bbackupd_conf_file, const std::string& daemon_args)
{
	const std::string& daemon_args_final(daemon_args.size() ? daemon_args : bbackupd_args);
	bbackupd_pid = StartDaemon(bbackupd_pid, BBACKUPD " " + daemon_args_final + " -c " +
		bbackupd_conf_file, "testfiles/bbackupd.pid");
	return bbackupd_pid != 0;
}

bool StopClient(bool wait_for_process)
{
	bool result = StopDaemon(bbackupd_pid, "testfiles/bbackupd.pid",
		"bbackupd.memleaks", wait_for_process);
	bbackupd_pid = 0;
	return result;
}

bool StartSimulator()
{
	s3simulator_pid = StartDaemon(s3simulator_pid,
		"../../bin/s3simulator/s3simulator " + bbstored_args +
		" testfiles/s3simulator.conf", "testfiles/s3simulator.pid");
	return s3simulator_pid != 0;
}

bool StopSimulator()
{
	bool result = StopDaemon(s3simulator_pid, "testfiles/s3simulator.pid",
		"s3simulator.memleaks", true);
	s3simulator_pid = 0;
	return result;
}

bool kill_running_daemons()
{
	bool success = true;

	if(FileExists("testfiles/bbstored.pid"))
	{
		TEST_THAT_OR(KillServer("testfiles/bbstored.pid", true), success = false);
	}

	if(FileExists("testfiles/bbackupd.pid"))
	{
		TEST_THAT_OR(KillServer("testfiles/bbackupd.pid", true), success = false);
	}

	if(FileExists("testfiles/s3simulator.pid"))
	{
		TEST_THAT_OR(KillServer("testfiles/s3simulator.pid", true), success = false);
	}

	return success;
}