VM Class Reference

#include <vm.h>

Inheritance diagram for VM:

Collaboration diagram for VM:

Public Member Functions
	VM ()
virtual	~VM ()
virtual void	print ()
virtual void	printTasklist ()
virtual int	command (int argc, const char *const *argv)
virtual void	updateMIPS ()
virtual void	addResource (DcResource *res)
vm_state	getVmState ()
void	setHost (ResourceProvider *newHost)
Public Member Functions inherited from ResourceProvider
	ResourceProvider ()
virtual	~ResourceProvider ()
void	setTskComSink (TskComSink *tcs)
int	tryToAllocate (ResourceConsumer *rc)
bool	releaseAllocation (ResourceConsumer *rc)
bool	addVM (VM *newVm)
bool	removeVM (VM *vm)
ResourceProvider *	getHost ()
DcHost *	getRootHost ()
void	recv (ResourceConsumer *rcobj)
double	getResTypeUtil (res_type type)
double	getTotalCap (res_type type)
int	testSchedulingPossibility (CloudTask *tskobj)
int	trySchedulingTsk (CloudTask *tskobj)
void	sendTaskOutput (CloudTask *task)
void	scheduleNextExent (double nextDeadline)
TskComAgent *	getTskComAgent ()
Public Member Functions inherited from ResourceConsumer
	ResourceConsumer ()
	ResourceConsumer (unsigned int size, std::vector< Resource * > dem, bool isTask, bool isVM)
virtual	~ResourceConsumer ()
unsigned int	getSize ()
void	setSize (unsigned int size)
void	setCurrentPerformance (std::vector< double > newPerf)
void	addUsedCapacity (double *cap)

Protected Member Functions
virtual void	updateEnergyAndConsumption ()
Protected Member Functions inherited from ResourceProvider
virtual void	handle (Event *event)
void	updateEvent ()
void	nextEvent (double delay)
double	getCurrentLoad ()
double	updateResTypeUtil (res_type type)
double	getFreeCap (res_type type)
double	getFreeCapRecursive (res_type type)
double	getUsedNet (bool in, bool out)
double	getUsedNetRecursive (bool in, bool out)
void	setTskComAgent (TskComAgent *agnt)
void	setAgent (ProviderOutAgent *agent)
TcpAgent *	getAgent ()
void	attachSink (VmMigrationSink *vm_mig_sink)
void	attachSource (ProviderOutAgent *tcp_agent)
void	detachSink (VmMigrationSink *vm_mig_sink)
void	detachSource (ProviderOutAgent *tcp_agent)

Protected Attributes
vm_state	state
Protected Attributes inherited from ResourceProvider
double	resource_utilization [LastResType+1]
std::vector< ResourceConsumer * >	hosted_vms_
std::vector< VmMigrationSink * >	vm_migration_sinks_
std::vector< ProviderOutAgent * >	vm_migration_sources_
TskComSink *	tskComSink_
ProviderOutAgent *	poagent_
ResourceProvider *	host
bool	started_
int	status_
Event	event_

Additional Inherited Members
Public Types inherited from ResourceProvider
enum	EventStatus
Public Attributes inherited from ResourceProvider
std::vector< std::vector< DcResource * > >	resource_list
int	id_
int	ntasks_
double	currentLoad_
double	currentLoadMem_
double	currentLoadStor_
double	currentLoadNet_
int	eDVFS_enabled_
int	tskFailed_
TskComAgent *	tskComAgent
Public Attributes inherited from ResourceConsumer
bool	isTask
bool	isVM
double	size_
double	currProcRate_
std::vector< ResDemand * >	res_demands
Static Public Attributes inherited from ResourceProvider
static double	uplink_overhead =ResourceProvider::MTU/ResourceProvider::useful_bytes
static double	MTU =1500.0
static double	useful_bytes =1460.0

Detailed Description

Definition at line 29 of file vm.h.

Constructor & Destructor Documentation

VM::VM

(

)

Definition at line 18 of file vm.cc.

       {

                /* It should be always false for VMs */
                isTask = false;
                /* It should be always true for VMs */
                isVM = true;

                bind("id_", &id_);
                bind("ntasks_", &ntasks_);
                bind("currentLoad_", &currentLoad_);
                bind("currentLoadMem_", &currentLoadMem_);
                bind("currentLoadStor_", &currentLoadStor_);
                bind("tskFailed_", &tskFailed_);
                bind("eDVFS_enabled_", &eDVFS_enabled_);                                        /* ON when DVFS is enabled */
                state = Ready;

}

VM::~VM ( )

virtual

Definition at line 36 of file vm.cc.

        {

}

Member Function Documentation

void VM::addResource ( DcResource *  res )

virtual

Reimplemented from ResourceProvider.

Definition at line 49 of file vm.cc.

                                   {

                ResourceProvider::addResource(res);
                res_demands.push_back(new ResDemand(*res,res));

}

int VM::command ( int  argc, const char *const *  argv  )

virtual

Reimplemented from ResourceProvider.

Definition at line 56 of file vm.cc.

{

                if (argc == 2) {
                                if (strcmp(argv[1], "start") == 0) {

                                                state = Running;
                                                return (TCL_OK);
                                } else if (strcmp(argv[1], "stop") == 0) {

                                                state = Stopped;
                                                return (TCL_OK);
                                } else if (strcmp(argv[1], "print") == 0) {
                                                /* print general info */
                                                print();
                                                return (TCL_OK);
                                }
                }
                return (ResourceProvider::command(argc, argv));
}

vm_state VM::getVmState

(

)

Definition at line 41 of file vm.cc.

{return state;};

void VM::print ( )

virtual

Implements ResourceProvider.

Definition at line 90 of file vm.cc.

              {
                std::cout << "VM:\t";
                std::cout << id_;
                std::cout << "\n";
                if(host!=NULL){
                                std::cout << "Hosted on" << host->id_;
                } else {
                                std::cout << "Not hosted";
                }
                std::cout << "\n";
                std::cout << "Resources provisions:\n";
                std::vector <std::vector<DcResource*> >::iterator iter_out;
                for(iter_out = resource_list.begin(); iter_out!=resource_list.end() ;iter_out++){
                                std::vector <DcResource*>::iterator iter;
                                for (iter = iter_out->begin(); iter!=iter_out->end(); iter++)
                                {
                                                (*iter)->print();
                                }
                }
                std::cout << "Resources demands:\n";
                std::vector<ResDemand*>::iterator iter_dem;
                for(iter_dem = res_demands.begin(); iter_dem!=res_demands.end() ;iter_dem++){
                                (*iter_dem)->print();
                }
                std::cout << "\n";

}

void VM::printTasklist ( )

virtual

Reimplemented from ResourceProvider.

Definition at line 118 of file vm.cc.

                      {
                std::vector<CloudTask *>::iterator iter;
                std::cout <<"VM " <<this->id_ << "\n";

                ResourceProvider::printTasklist();
}

void VM::setHost

(

ResourceProvider *

newHost

)

Definition at line 43 of file vm.cc.

{host = newHost;};

void VM::updateEnergyAndConsumption ( )

protectedvirtual

Implements ResourceProvider.

Definition at line 81 of file vm.cc.

                                   {
                if(host!= NULL){
                                host->updateEnergyAndConsumption();
                } else {
                                std::cerr << "ERROR: Task is allocated on an unallocated VM!\n";
                }
                return;
}

void VM::updateMIPS ( )

virtual

Definition at line 77 of file vm.cc.

                   {
                return;
}

Member Data Documentation

vm_state VM::state

protected

Definition at line 48 of file vm.h.

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The documentation for this class was generated from the following files:

• vm.h
• vm.cc