/// <summary>
/// The simulation of time-consuming operations with data performed by OS, such as moving data between memories.
/// Sets the OS on inactive (busy), sleeps for the preset delay time, then sets the OS back to active (idle).
/// </summary>
private static async Task SimulateHandling()
{
IsActive = false;
OsStateChanged?.Invoke(OsState.Busy, new EventArgs());
await Task.Delay(DelayTime);
IsActive = true;
OsStateChanged?.Invoke(OsState.Idle, new EventArgs());
}
/// <summary>
/// The initializing method of the OS. Can be called from outside the project to start the simulation.
/// </summary>
/// <param name="processCount">The number of processes to be run during the simulation.</param>
/// <param name="commandsCount">The number of commands to be executed during the simulation.</param>
/// <param name="ramFrames">The number of frames the RAM will be divided into. Initially all are free.</param>
/// <param name="maxPagesPerProcess">The maximum number of pages the page table of a process can hold.</param>
/// <param name="delayTime">The value in milliseconds used for simulating the OS handling data-heavy operations.</param>
/// <param name="betweenOpsDelay">The value in milliseconds used for simulating the OS switching between commands. Also for easier tracking of the simulation.</param>
public static async Task Run(int processCount = 8, int commandsCount = 48, int ramFrames = 8, int maxPagesPerProcess = 8, int delayTime = 1000, int betweenOpsDelay = 750)
{
IsActive = true;
OsStateChanged?.Invoke(OsState.Idle, new EventArgs());
FreeRamFrames = ramFrames;
TotalRamCapacity = ramFrames;
DelayTime = delayTime;
BetweenOpsDelayTime = betweenOpsDelay;
RamFramesTable = new List <RamFrame>();
Counter.ResetCounter();
Generator generator = new Generator();
Processes = generator.GenerateProcesses(processCount, maxPagesPerProcess);
RamFramesTable = generator.GenerateRamFrames(TotalRamCapacity);
Commands = generator.GenerateCommands(commandsCount, processCount, Processes);
await MMU.Run(Commands, Processes.AsReadOnly(), BetweenOpsDelayTime);
OsStateChanged?.Invoke(OsState.Free, new EventArgs());
IsActive = false;
}
