Table 4 Excerpt from the Simcan2Cloud API

UserGeneration

1

initialise

Initialises the user generation module.

UserGeneration

2

generateShuffledUsers

Generates a users workload with a random order.

UserGeneration

3

getNextUser

Obtains the next user to be processed.

UserGeneration

4

sendRequest

Sends a VM request to the cloud provider.

UserGeneration

5

subscribe

Sends a subscription request to the cloud provider.

UserGeneration

6

createVmRequest

Creates a VM request for a specific user.

UserGeneration

7

handleResponseVmAccept

Handles the accept response of the cloud provider to a specific VM request.

UserGeneration

8

handleResponseVmReject

Handles the reject response of the cloud provider to a specific VM request.

UserGeneration

9

updateVmUserStatus

Updates the status of a specific VM.

UserGeneration

10

submitService

Submits a service to be executed in the cloud.

UserGeneration

11

createAppRequest

Generates a request for the execution of an application.

UserGeneration

12

handleResponseAppAccept

Handles an accept response sent by the cloud provider for the execution of a specific application.

UserGeneration

13

handleResponseAppReject

Handles a reject response sent by the cloud provider for the execution of a specific application.

UserGeneration

14

handleResponseAppTimeout

Handles a timeout response sent by the cloud provider for the execution of a specific application.

UserGeneration

15

calculateStatistics

Generates a report with the statistics obtained during the simulation.

CloudProvider

16

initialise

Initialises the cloud provider module.

CloudProvider

17

checkVmUserFit

Checks whether the VMs requested by a user fits in a data-centre and sends the request to it.

CloudProvider

18

updateSubsQueue

Updates the subscription queue.

CloudProvider

19

notifySubscription

Notifies users that the system is ready to receive their service submissions.

CloudProvider

20

timeoutSubscription

Notifies users that their subscription time has expired.

CloudProvider

21

handleUserAppRequest

Forwards the request for the execution of an application to the data-centre.

DataCentreManager

22

initialise

Initialises the data-centre manager module.

DataCentreManager

23

checkVmUserFit

Checks whether the VMs requested by a user fits in the system.

DataCentreManager

24

getTotalCoresByVmType

Returns all the computational cores required by a VM type.

DataCentreManager

25

acceptVmRequest

Accepts a VM request.

DataCentreManager

26

rejectVmRequest

Rejects a request for the execution of an application.

DataCentreManager

27

allocateVM

Allocates a VM in the cloud.

DataCentreManager

28

handleUserAppRequest

Handles the request for the execution of an application sent by a specific user.

DataCentreManager

29

acceptAppRequest

Accepts a request for the execution of an application.

DataCentreManager

30

rejectAppRequest

Rejects a request for the execution of an application.

DataCentreManager

31

timeoutAppRequest

Notifies the user that the time for the execution of an application has expired.