public static void run()
{
RAM.init();
Disk.init();
PCBManager.init();
osStartTime = DateTimeOffset.Now.ToUnixTimeMilliseconds();
Loader loader = new Loader("C:/Users/HOME/Documents/Visual Studio 2017/Projects/OSSImulator/OS-Simulator/OSSImulator/OSSImulator/Program-File.txt");
loader.Start();
jobMetricses = new JobMetrics[PCBManager.getJobListSize()];
for (int i = 0; i < jobMetricses.Length; i++)
{
jobMetricses[i] = new JobMetrics();
}
string s = Disk.readDisk(2);
Console.WriteLine("DISK TEST: " + s);
while (custardStands())
{
ready();
aim((schedulingType != null) ? schedulingType : Schedulingtype.FIFO);
fire();
}
}
public void update(JobMetrics metrics)
{
setBlockUsed(metrics.getBlockUsed());
setTimestamp(metrics.getTimestamp());
setCpuNo(metrics.getCpuNo());
setEndRunTime(metrics.getEndRunTime());
setStartRunTime(metrics.getStartRunTime());
setStartWaitTime(metrics.getStartWaitTime());
setEndWaitTime(metrics.getEndWaitTime());
setJobNumber(metrics.getJobNumber());
setIos(metrics.getIos());
}
public static void updateJobMetrics(JobMetrics jobMetrics)
{
jobMetricses[jobMetrics.getJobNumber() - 1].update(jobMetrics);
if (jobMetricses[jobMetrics.getJobNumber() - 1].getWaitTime() > 0)
{
totalWaitTime += jobMetricses[jobMetrics.getJobNumber() - 1].getWaitTime();
}
if (jobMetricses[jobMetrics.getJobNumber() - 1].getRunTime() > 0)
{
totalRunTime += jobMetricses[jobMetrics.getJobNumber() - 1].getRunTime();
}
//update job metrics
}
public void loadJobToRAM(PCB block)
{
int jobNo = block.getJobNumber();
int i = 0;
int k;
int m = PCBManager.getPCB(jobNo).getJobInstructionCount();
int dataCardSize = block.getInputBuffer() + block.getOutputBuffer() + block.getTemporaryBuffer();
int memory = PCBManager.getPCB(jobNo).getJobInstructionCount() + dataCardSize;
int numPages = (int)Math.Ceiling((double)memory / (double)RAM.getPageSize());
int startAddress = block.getJobDiskAddress();
int currentDiskAddress = startAddress;
int physPageNo;
int virtualPageNo = RAM.getNextAvaliableVirtualPageNumber();
string[] chunk;
List <int> virtualAllocatedPages = RAM.Allocate(numPages);
if (virtualAllocatedPages.Capacity != 0)
{
Console.WriteLine(jobNo);
PCBManager.getPCB(jobNo).setJobInMemory(true);
PCBManager.getPCB(jobNo).setJobMemoryAddress(virtualPageNo * RAM.getPageSize());
PCBManager.getPCB(jobNo).setProcessStatus(PCB.PROCESS_STATUS.READY);
PCBManager.getPCB(jobNo).setPagesNeeded(numPages);
PCBManager.getPCB(jobNo).setAllocatedVirtualPages(virtualAllocatedPages);
int n = RAM.getNextAvaliableVirtualPageNumber();
for (int j = 0; j < virtualAllocatedPages.Capacity; j++)
{
physPageNo = RAM.getPhysicalPageNumber(virtualAllocatedPages[j]);
chunk = Disk.getChunk(currentDiskAddress, calculateChunkSize(block, currentDiskAddress));
try
{
RAM.fillPage(physPageNo, chunk);
}
catch (Exception e)
{
}
currentDiskAddress += RAM.getPageSize();
}
JobMetrics metrics = new JobMetrics();
metrics.setTimestamp(DateTimeOffset.Now.ToUnixTimeMilliseconds());
metrics.setJobNumber(jobNo);
metrics.setStartWaitTime(metrics.getTimestamp());
metrics.setBlocksUsed(memory);
Driver.jobMetricses[jobNo - 1].update(metrics);
Driver.shortTermScheduler.addToReadyQueue(PCBManager.getPCB(jobNo));
}
}
