software_challenge_Huawei/SMObject.cpp at main · sydddl/software_challenge_Huawei · GitHub

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#include "SMObject.h"

SMObject::SMObject(const ServerMachine& _SMProperty,int _sm_id) : SMProperty(_SMProperty)
{
	int sumCore = SMProperty.GetCore();
	int sumMemory = SMProperty.GetMemoryCapacity();
	nodeA.core = sumCore >> 1;
	nodeA.memory = sumMemory >> 1;
	nodeB.core = nodeA.core;
	nodeB.memory = nodeA.memory;
	SM_Id = _sm_id;
	true_id = -1;
}

bool SMObject::IsRunning() const
{
	return childs.empty(); //如果是空的说明没有虚拟机在运行
}

int SMObject::GetDailyCost() const //获取每日消耗费用
{
	return SMProperty.GetDailyCost();
}

bool SMObject::AddChild(VMObject* child)
{
	if (child == nullptr)
		return false;//throw exception("尝试往服务器中添加空指针");
	const VirtualMachine& property = child->GetProperty();
	int core = property.GetCore();
	int memory = property.GetMemoryCapacity();
	int vm_id = child->GetID();
	if (property.IsTwoNode())
	{
		core >>= 1;
		memory >>= 1;

		if (nodeA.core < core || nodeA.memory < memory || nodeB.core < core || nodeB.memory < memory)
		{
			return false;
		}
		else
		{
			nodeA.core -= core;
			nodeB.core -= core;
			nodeA.memory -= memory;
			nodeB.memory -= memory;
			child->SetNodeType(VM_NodeType::Both);
			childs[vm_id] = child;
			if (child->father)
				child->father->RemoveChild(child);
			child->father = this;
		}
	}
	else
	{
		if (core > memory)
		{
			if (nodeA.core > nodeB.core)
			{
				//先优先放在A节点中
				if (nodeA.core < core || nodeA.memory < memory)
				{
					if (nodeB.core < core || nodeB.memory < memory)
					{
						return false; //throw exception("服务器塞不下此虚拟机"); //都塞不下
					}
					else
					{
						nodeB.core -= core;
						nodeB.memory -= memory;
						child->SetNodeType(VM_NodeType::B);
						childs[vm_id] = child;
						if (child->father)
							child->father->RemoveChild(child);
						child->father = this;
					}
				}
				else
				{
					nodeA.core -= core;
					nodeA.memory -= memory;
					child->SetNodeType(VM_NodeType::A);
					childs[vm_id] = child;
					if (child->father)
						child->father->RemoveChild(child);
					child->father = this;
				}
			}
			else
			{
				//先优先放在B节点中
				if (nodeB.core < core || nodeB.memory < memory)
				{
					if (nodeA.core < core || nodeA.memory < memory)
					{
						return false; //throw exception("服务器塞不下此虚拟机"); //都塞不下
					}
					else
					{
						nodeA.core -= core;
						nodeA.memory -= memory;
						child->SetNodeType(VM_NodeType::A);
						childs[vm_id] = child;
						if (child->father)
							child->father->RemoveChild(child);
						child->father = this;
					}
				}
				else
				{
					nodeB.core -= core;
					nodeB.memory -= memory;
					child->SetNodeType(VM_NodeType::B);
					childs[vm_id] = child;
					if (child->father)
						child->father->RemoveChild(child);
					child->father = this;
				}
			}
		}
		else
		{
			if (nodeA.memory > nodeB.memory)
			{
				//先优先放在A节点中
				if (nodeA.core < core || nodeA.memory < memory)
				{
					if (nodeB.core < core || nodeB.memory < memory)
					{
						return false; //throw exception("服务器塞不下此虚拟机"); //都塞不下
					}
					else
					{
						nodeB.core -= core;
						nodeB.memory -= memory;
						child->SetNodeType(VM_NodeType::B);
						childs[vm_id] = child;
						if (child->father)
							child->father->RemoveChild(child);
						child->father = this;
					}
				}
				else
				{
					nodeA.core -= core;
					nodeA.memory -= memory;
					child->SetNodeType(VM_NodeType::A);
					childs[vm_id] = child;
					if (child->father)
						child->father->RemoveChild(child);
					child->father = this;
				}
			}
			else
			{
				//先优先放在B节点中
				if (nodeB.core < core || nodeB.memory < memory)
				{
					if (nodeA.core < core || nodeA.memory < memory)
					{
						return false; //throw exception("服务器塞不下此虚拟机"); //都塞不下
					}
					else
					{
						nodeA.core -= core;
						nodeA.memory -= memory;
						child->SetNodeType(VM_NodeType::A);
						childs[vm_id] = child;
						if (child->father)
							child->father->RemoveChild(child);
						child->father = this;
					}
				}
				else
				{
					nodeB.core -= core;
					nodeB.memory -= memory;
					child->SetNodeType(VM_NodeType::B);
					childs[vm_id] = child;
					if (child->father)
						child->father->RemoveChild(child);
					child->father = this;
				}
			}
		}

	}
	return true;
}

bool SMObject::AbleToAddChild(VMObject* child)
{
	if (child == nullptr)
		return false;//throw exception("尝试往服务器中添加空指针");
	const VirtualMachine& property = child->GetProperty();
	int core = property.GetCore();
	int memory = property.GetMemoryCapacity();
	int vm_id = child->GetID();
	if (property.IsTwoNode())
	{
		core >>= 1;
		memory >>= 1;

		if (nodeA.core < core || nodeA.memory < memory || nodeB.core < core || nodeB.memory < memory)
		{
			return false;
		}
	}
	else
	{
		if (core > memory)
		{
			if (nodeA.core > nodeB.core)
			{
				//先优先放在A节点中
				if (nodeA.core < core || nodeA.memory < memory)
				{
					if (nodeB.core < core || nodeB.memory < memory)
					{
						return false; //throw exception("服务器塞不下此虚拟机"); //都塞不下
					}
				}
			}
			else
			{
				//先优先放在B节点中
				if (nodeB.core < core || nodeB.memory < memory)
				{
					if (nodeA.core < core || nodeA.memory < memory)
					{
						return false; //throw exception("服务器塞不下此虚拟机"); //都塞不下
					}
				}
			}
		}
		else
		{
			if (nodeA.memory > nodeB.memory)
			{
				//先优先放在A节点中
				if (nodeA.core < core || nodeA.memory < memory)
				{
					if (nodeB.core < core || nodeB.memory < memory)
					{
						return false; //throw exception("服务器塞不下此虚拟机"); //都塞不下
					}
				}
			}
			else
			{
				//先优先放在B节点中
				if (nodeB.core < core || nodeB.memory < memory)
				{
					if (nodeA.core < core || nodeA.memory < memory)
					{
						return false; //throw exception("服务器塞不下此虚拟机"); //都塞不下
					}
				}
			}
		}

	}
	return true;
}

bool SMObject::RemoveChild(VMObject* child)
{
	int vm_id = child->GetID();
	if (childs.find(vm_id) == childs.end())
		return false; //throw exception("服务器中并没有此虚拟机");

	VM_NodeType nodeType = child->GetNodeType();
	const VirtualMachine& property = child->GetProperty();
	int core = property.GetCore();
	int memory = property.GetMemoryCapacity();
	switch (nodeType)
	{
	case VM_NodeType::A:
		nodeA.core += core;
		nodeA.memory += memory;
		break;
	case VM_NodeType::B:
		nodeB.core += core;
		nodeB.memory += memory;
		break;
	case VM_NodeType::Both:
		core >>= 1;
		memory >>= 1;
		nodeA.core += core;
		nodeA.memory += memory;
		nodeB.core += core;
		nodeB.memory += memory;
		break;
	default:
		return false; //throw exception("要删除的虚拟机的节点属性未知");
		break;
	}
	this->childs.erase(vm_id);
	return true;
}
bool SMObject::RemoveChild(int vm_id)
{
	if (this->childs.find(vm_id) == childs.end())
		return false; //throw exception("服务器中并没有此虚拟机");
	VMObject* child = this->childs[vm_id];

	return RemoveChild(child);
}