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SyncedObject.cpp
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133 lines (100 loc) · 2.95 KB
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/* 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/. */
#include <SFNUL/SyncedObject.hpp>
#include <SFNUL/Message.hpp>
#include <SFNUL/SyncedType.hpp>
#include <SFNUL/Synchronizer.hpp>
#include <SFNUL/MakeUnique.hpp>
namespace sfn {
SyncedObject::id_type SyncedObject::m_last_id = SyncedObject::invalid_id;
SyncedObject::SyncedObject() {
m_id = NewID();
}
SyncedObject::SyncedObject( SyncedObject&& object ) {
m_id = object.m_id;
if( object.m_synchronizer ) {
m_synchronizer = object.m_synchronizer;
object.m_synchronizer->MoveObject( &object, this );
object.m_synchronizer = nullptr;
}
}
SyncedObject& SyncedObject::operator=( SyncedObject&& object ) {
m_id = object.m_id;
if( m_synchronizer ) {
if( m_synchronizer == object.m_synchronizer ) {
m_synchronizer->MoveObject( &object, this );
}
else {
m_synchronizer->RemoveObject( this );
m_synchronizer = object.m_synchronizer;
if( m_synchronizer ) {
m_synchronizer->AddObject( this );
}
}
}
return *this;
}
SyncedObject::~SyncedObject() {
if( m_synchronizer ) {
m_synchronizer->RemoveObject( this );
}
}
Message SyncedObject::Serialize( SynchronizationType sync_type ) {
Message message;
message << static_cast<sfn::Uint8>( sync_type );
for( auto m : m_members ) {
m->Serialize( message, sync_type );
m->SetModified( false );
}
if( m_last_stream_sync ) {
*m_last_stream_sync = std::chrono::steady_clock::now();
}
return message;
}
void SyncedObject::Deserialize( Message& message ) {
sfn::Uint8 sync_type;
message >> sync_type;
for( auto m : m_members ) {
m->Deserialize( message, static_cast<SynchronizationType>( sync_type ) );
}
}
SyncedObject::id_type SyncedObject::NewID() {
return ++m_last_id;
}
SyncedObject::id_type SyncedObject::GetID() const {
return m_id;
}
void SyncedObject::SetID( SyncedObject::id_type id ) {
m_id = id;
}
void SyncedObject::RegisterMember( BaseSyncedType* member ) {
m_members.emplace_back( member );
m_members.shrink_to_fit();
}
void SyncedObject::EnableStreaming() {
if( !m_last_stream_sync ) {
m_last_stream_sync = make_unique<std::chrono::steady_clock::time_point>( std::chrono::steady_clock::now() );
}
}
void SyncedObject::NotifyChanged() {
if( m_synchronizer ) {
m_synchronizer->UpdateObject( this );
}
}
void SyncedObject::CheckStreamUpdate() {
if( m_synchronizer && m_last_stream_sync && ( std::chrono::steady_clock::now() - ( *m_last_stream_sync ) > GetStreamSynchronizationPeriod() ) ) {
*m_last_stream_sync = std::chrono::steady_clock::now();
m_synchronizer->UpdateObject( this );
}
}
void SyncedObject::SetSynchronizer( SynchronizerBase* synchronizer ) {
if( m_synchronizer && !m_synchronizer->IsDestroyed() ) {
m_synchronizer->RemoveObject( this );
}
m_synchronizer = synchronizer;
if( m_synchronizer ) {
m_synchronizer->AddObject( this );
}
}
}