libreoffice-online/loolwsd/Unit.hpp
2016-04-09 18:29:20 +01:00

143 lines
4.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_UNIT_HPP
#define INCLUDED_UNIT_HPP
#include <string>
#include <memory>
#include <atomic>
#include <assert.h>
class UnitBase;
class UnitWSD;
class UnitKit;
class UnitTimeout;
class UnitHTTPServerRequest;
class UnitHTTPServerResponse;
class StorageBase;
typedef UnitBase *(CreateUnitHooksFunction)();
extern "C" { UnitBase *unit_create_wsd(void); }
extern "C" { UnitBase *unit_create_kit(void); }
/// Derive your WSD unit test / hooks from me.
class UnitBase
{
friend UnitTimeout;
friend UnitWSD;
friend UnitKit;
protected:
// ---------------- Helper API ----------------
/// After this time we invoke 'timeout' default 30 seconds
void setTimeout(int timeoutMilliSeconds);
/// If the test times out this gets invoked, the default just exits.
virtual void timeout();
enum TestResult { TEST_FAILED, TEST_OK, TEST_TIMED_OUT };
/// Encourages the process to exit with this value (unless hooked)
void exitTest(TestResult result);
UnitBase();
virtual ~UnitBase();
public:
enum UnitType { TYPE_WSD, TYPE_KIT };
/// Load unit test hook shared library from this path
static bool init(UnitType type, const std::string &unitLibPath);
/// Tweak the return value from the process.
virtual void returnValue(int & /* retValue */);
private:
void setHandle(void *dlHandle) { _dlHandle = dlHandle; }
static UnitBase *linkAndCreateUnit(UnitType type, const std::string &unitLibPath);
void *_dlHandle;
bool _setRetValue;
int _retValue;
int _timeoutMilliSeconds;
std::atomic<bool> _timeoutShutdown;
static UnitBase *_global;
UnitType _type;
};
/// Derive your WSD unit test / hooks from me.
class UnitWSD : public UnitBase
{
bool _hasKitHooks;
public:
UnitWSD();
virtual ~UnitWSD();
static UnitWSD &get()
{
assert (_global && _global->_type == UnitType::TYPE_WSD);
return *static_cast<UnitWSD *>(_global);
}
enum TestRequest { TEST_REQ_CLIENT, TEST_REQ_PRISONER };
/// Simulate an incoming request
void testHandleRequest(TestRequest type,
UnitHTTPServerRequest& request,
UnitHTTPServerResponse& response);
/// Do we have hooks for the Kit too
bool hasKitHooks() { return _hasKitHooks; }
/// set in your unit if you want to be injected into the kit too.
void setHasKitHooks(bool hasHooks = true) { _hasKitHooks = hasHooks; }
// ---------------- WSD hooks ----------------
/// Main-loop reached, time for testing
virtual void invokeTest() {}
/// Tweak the count of pre-spawned kits.
virtual void preSpawnCount(int & /* numPrefork */) {}
/// When a new child kit process reports
virtual void newChild() {}
/// Intercept createStorage
virtual bool createStorage(const std::string& /* jailRoot */,
const std::string& /* jailPath */,
const Poco::URI& /* uri */,
std::unique_ptr<StorageBase> & /*rStorage */)
{ return false; }
};
/// Derive your Kit unit test / hooks from me.
class UnitKit : public UnitBase
{
public:
UnitKit();
virtual ~UnitKit();
static UnitKit &get()
{
assert (_global && _global->_type == UnitType::TYPE_KIT);
return *static_cast<UnitKit *>(_global);
}
// ---------------- ForKit hooks ----------------
/// main-loop reached, time for testing
virtual void invokeForKitTest() {}
// ---------------- Kit hooks ----------------
/// Post fork hook - just before we init the child kit
virtual void postFork() {}
/// Kit got a message
virtual void kitMessage(std::string &/* message */) {}
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */