mirror of https://github.com/Icinga/icinga2.git
359 lines
8.6 KiB
C++
359 lines
8.6 KiB
C++
/******************************************************************************
|
|
* Icinga 2 *
|
|
* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
|
|
* *
|
|
* This program is free software; you can redistribute it and/or *
|
|
* modify it under the terms of the GNU General Public License *
|
|
* as published by the Free Software Foundation; either version 2 *
|
|
* of the License, or (at your option) any later version. *
|
|
* *
|
|
* This program is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* GNU General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU General Public License *
|
|
* along with this program; if not, write to the Free Software Foundation *
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
|
|
******************************************************************************/
|
|
|
|
#include "base/dynamicobject.hpp"
|
|
#include "base/dynamictype.hpp"
|
|
#include "base/serializer.hpp"
|
|
#include "base/netstring.hpp"
|
|
#include "base/stdiostream.hpp"
|
|
#include "base/debug.hpp"
|
|
#include "base/objectlock.hpp"
|
|
#include "base/logger.hpp"
|
|
#include "base/exception.hpp"
|
|
#include "base/scriptfunction.hpp"
|
|
#include "base/initialize.hpp"
|
|
#include "base/scriptvariable.hpp"
|
|
#include "base/workqueue.hpp"
|
|
#include <fstream>
|
|
#include <boost/foreach.hpp>
|
|
#include <boost/exception/errinfo_api_function.hpp>
|
|
#include <boost/exception/errinfo_errno.hpp>
|
|
#include <boost/exception/errinfo_file_name.hpp>
|
|
|
|
using namespace icinga;
|
|
|
|
REGISTER_TYPE(DynamicObject);
|
|
|
|
boost::signals2::signal<void (const DynamicObject::Ptr&)> DynamicObject::OnStarted;
|
|
boost::signals2::signal<void (const DynamicObject::Ptr&)> DynamicObject::OnStopped;
|
|
boost::signals2::signal<void (const DynamicObject::Ptr&)> DynamicObject::OnPaused;
|
|
boost::signals2::signal<void (const DynamicObject::Ptr&)> DynamicObject::OnResumed;
|
|
boost::signals2::signal<void (const DynamicObject::Ptr&)> DynamicObject::OnStateChanged;
|
|
|
|
DynamicObject::DynamicObject(void)
|
|
{ }
|
|
|
|
DynamicType::Ptr DynamicObject::GetType(void) const
|
|
{
|
|
return DynamicType::GetByName(GetTypeName());
|
|
}
|
|
|
|
DebugInfo DynamicObject::GetDebugInfo(void) const
|
|
{
|
|
return m_DebugInfo;
|
|
}
|
|
|
|
void DynamicObject::SetDebugInfo(const DebugInfo& di)
|
|
{
|
|
m_DebugInfo = di;
|
|
}
|
|
|
|
bool DynamicObject::IsActive(void) const
|
|
{
|
|
return GetActive();
|
|
}
|
|
|
|
bool DynamicObject::IsPaused(void) const
|
|
{
|
|
return GetPaused();
|
|
}
|
|
|
|
void DynamicObject::SetExtension(const String& key, const Object::Ptr& object)
|
|
{
|
|
Dictionary::Ptr extensions = GetExtensions();
|
|
|
|
if (!extensions) {
|
|
extensions = make_shared<Dictionary>();
|
|
SetExtensions(extensions);
|
|
}
|
|
|
|
extensions->Set(key, object);
|
|
}
|
|
|
|
Object::Ptr DynamicObject::GetExtension(const String& key)
|
|
{
|
|
Dictionary::Ptr extensions = GetExtensions();
|
|
|
|
if (!extensions)
|
|
return Object::Ptr();
|
|
|
|
return extensions->Get(key);
|
|
}
|
|
|
|
void DynamicObject::ClearExtension(const String& key)
|
|
{
|
|
Dictionary::Ptr extensions = GetExtensions();
|
|
|
|
if (!extensions)
|
|
return;
|
|
|
|
extensions->Remove(key);
|
|
}
|
|
|
|
void DynamicObject::Register(void)
|
|
{
|
|
ASSERT(!OwnsLock());
|
|
|
|
DynamicType::Ptr dtype = GetType();
|
|
dtype->RegisterObject(GetSelf());
|
|
}
|
|
|
|
void DynamicObject::Start(void)
|
|
{
|
|
ASSERT(!OwnsLock());
|
|
ObjectLock olock(this);
|
|
|
|
SetStartCalled(true);
|
|
}
|
|
|
|
void DynamicObject::Activate(void)
|
|
{
|
|
ASSERT(!OwnsLock());
|
|
|
|
Start();
|
|
|
|
ASSERT(GetStartCalled());
|
|
|
|
{
|
|
ObjectLock olock(this);
|
|
ASSERT(!IsActive());
|
|
SetActive(true);
|
|
}
|
|
|
|
OnStarted(GetSelf());
|
|
|
|
SetAuthority(true);
|
|
}
|
|
|
|
void DynamicObject::Stop(void)
|
|
{
|
|
ASSERT(!OwnsLock());
|
|
ObjectLock olock(this);
|
|
|
|
SetStopCalled(true);
|
|
}
|
|
|
|
void DynamicObject::Deactivate(void)
|
|
{
|
|
ASSERT(!OwnsLock());
|
|
|
|
SetAuthority(false);
|
|
|
|
{
|
|
ObjectLock olock(this);
|
|
|
|
if (!IsActive())
|
|
return;
|
|
|
|
SetActive(false);
|
|
}
|
|
|
|
Stop();
|
|
|
|
ASSERT(GetStopCalled());
|
|
|
|
OnStopped(GetSelf());
|
|
}
|
|
|
|
void DynamicObject::OnConfigLoaded(void)
|
|
{
|
|
/* Nothing to do here. */
|
|
}
|
|
|
|
void DynamicObject::OnStateLoaded(void)
|
|
{
|
|
/* Nothing to do here. */
|
|
}
|
|
|
|
void DynamicObject::Pause(void)
|
|
{
|
|
SetPauseCalled(true);
|
|
}
|
|
|
|
void DynamicObject::Resume(void)
|
|
{
|
|
SetResumeCalled(true);
|
|
}
|
|
|
|
void DynamicObject::SetAuthority(bool authority)
|
|
{
|
|
if (authority && GetPaused()) {
|
|
SetResumeCalled(false);
|
|
Resume();
|
|
ASSERT(GetResumeCalled());
|
|
SetPaused(false);
|
|
OnResumed(GetSelf());
|
|
} else if (!authority && !GetPaused()) {
|
|
SetPauseCalled(false);
|
|
Pause();
|
|
ASSERT(GetPauseCalled());
|
|
SetPaused(true);
|
|
OnPaused(GetSelf());
|
|
}
|
|
}
|
|
|
|
Value DynamicObject::InvokeMethod(const String& method,
|
|
const std::vector<Value>& arguments)
|
|
{
|
|
Dictionary::Ptr methods;
|
|
|
|
methods = GetMethods();
|
|
|
|
if (!methods)
|
|
BOOST_THROW_EXCEPTION(std::invalid_argument("Method '" + method + "' does not exist."));
|
|
|
|
Value funcName = methods->Get(method);
|
|
|
|
if (funcName.IsEmpty())
|
|
BOOST_THROW_EXCEPTION(std::invalid_argument("Method '" + method + "' does not exist."));
|
|
|
|
ScriptFunction::Ptr func;
|
|
|
|
if (funcName.IsObjectType<ScriptFunction>()) {
|
|
func = funcName;
|
|
} else {
|
|
func = ScriptFunction::GetByName(funcName);
|
|
|
|
if (!func)
|
|
BOOST_THROW_EXCEPTION(std::invalid_argument("Function '" + String(funcName) + "' does not exist."));
|
|
}
|
|
|
|
return func->Invoke(arguments);
|
|
}
|
|
|
|
void DynamicObject::DumpObjects(const String& filename, int attributeTypes)
|
|
{
|
|
Log(LogInformation, "DynamicObject", "Dumping program state to file '" + filename + "'");
|
|
|
|
String tempFilename = filename + ".tmp";
|
|
|
|
std::fstream fp;
|
|
fp.open(tempFilename.CStr(), std::ios_base::out);
|
|
|
|
if (!fp)
|
|
BOOST_THROW_EXCEPTION(std::runtime_error("Could not open '" + tempFilename + "' file"));
|
|
|
|
StdioStream::Ptr sfp = make_shared<StdioStream>(&fp, false);
|
|
|
|
BOOST_FOREACH(const DynamicType::Ptr& type, DynamicType::GetTypes()) {
|
|
BOOST_FOREACH(const DynamicObject::Ptr& object, type->GetObjects()) {
|
|
Dictionary::Ptr persistentObject = make_shared<Dictionary>();
|
|
|
|
persistentObject->Set("type", type->GetName());
|
|
persistentObject->Set("name", object->GetName());
|
|
|
|
Dictionary::Ptr update = Serialize(object, attributeTypes);
|
|
|
|
if (!update)
|
|
continue;
|
|
|
|
persistentObject->Set("update", update);
|
|
|
|
String json = JsonSerialize(persistentObject);
|
|
|
|
NetString::WriteStringToStream(sfp, json);
|
|
}
|
|
}
|
|
|
|
sfp->Close();
|
|
|
|
fp.close();
|
|
|
|
#ifdef _WIN32
|
|
_unlink(filename.CStr());
|
|
#endif /* _WIN32 */
|
|
|
|
if (rename(tempFilename.CStr(), filename.CStr()) < 0) {
|
|
BOOST_THROW_EXCEPTION(posix_error()
|
|
<< boost::errinfo_api_function("rename")
|
|
<< boost::errinfo_errno(errno)
|
|
<< boost::errinfo_file_name(tempFilename));
|
|
}
|
|
}
|
|
|
|
void DynamicObject::RestoreObject(const String& message, int attributeTypes)
|
|
{
|
|
Dictionary::Ptr persistentObject = JsonDeserialize(message);
|
|
|
|
String type = persistentObject->Get("type");
|
|
|
|
DynamicType::Ptr dt = DynamicType::GetByName(type);
|
|
|
|
if (!dt)
|
|
return;
|
|
|
|
String name = persistentObject->Get("name");
|
|
|
|
DynamicObject::Ptr object = dt->GetObject(name);
|
|
|
|
if (!object)
|
|
return;
|
|
|
|
ASSERT(!object->IsActive());
|
|
#ifdef _DEBUG
|
|
Log(LogDebug, "DynamicObject", "Restoring object '" + name + "' of type '" + type + "'.");
|
|
#endif /* _DEBUG */
|
|
Dictionary::Ptr update = persistentObject->Get("update");
|
|
Deserialize(object, update, false, attributeTypes);
|
|
object->OnStateLoaded();
|
|
}
|
|
|
|
void DynamicObject::RestoreObjects(const String& filename, int attributeTypes)
|
|
{
|
|
Log(LogInformation, "DynamicObject", "Restoring program state from file '" + filename + "'");
|
|
|
|
std::fstream fp;
|
|
fp.open(filename.CStr(), std::ios_base::in);
|
|
|
|
StdioStream::Ptr sfp = make_shared<StdioStream>(&fp, false);
|
|
|
|
unsigned long restored = 0;
|
|
|
|
ParallelWorkQueue upq;
|
|
|
|
String message;
|
|
while (NetString::ReadStringFromStream(sfp, &message)) {
|
|
upq.Enqueue(boost::bind(&DynamicObject::RestoreObject, message, attributeTypes));
|
|
restored++;
|
|
}
|
|
|
|
sfp->Close();
|
|
|
|
upq.Join();
|
|
|
|
std::ostringstream msgbuf;
|
|
msgbuf << "Restored " << restored << " objects";
|
|
Log(LogInformation, "DynamicObject", msgbuf.str());
|
|
}
|
|
|
|
void DynamicObject::StopObjects(void)
|
|
{
|
|
BOOST_FOREACH(const DynamicType::Ptr& dt, DynamicType::GetTypes()) {
|
|
BOOST_FOREACH(const DynamicObject::Ptr& object, dt->GetObjects()) {
|
|
object->Deactivate();
|
|
}
|
|
}
|
|
}
|
|
|
|
DynamicObject::Ptr DynamicObject::GetObject(const String& type, const String& name)
|
|
{
|
|
DynamicType::Ptr dtype = DynamicType::GetByName(type);
|
|
return dtype->GetObject(name);
|
|
}
|