//
// SIMULATION INTERACTIONS
// (mostly dealing with importing initial values/setting up, or with running the simulation (timers/graphics)
// I would have preferred to put these outside in Node Simulator, but unfortunately this code is master-specific
//
public void setup()
{ // (invoked remotely to get things started)
node = GetComponent <NodeSimulator>();
updateCounter = -1;
if (node.nodeID == 0) // node 0 is the starting leader, the one from which the user invoked the map-reduce operation
{
updateCounter = 0;
becomeLeader();
}
else
{
becomeFollower();
}
masterCount = node.masterCount;
workerCount = node.workerCount;
mapTasks = new TaskData[node.mapCount];
for (int i = 0; i < mapTasks.Length; i++)
{
mapTasks[i] = new TaskData();
}
reduceTasks = new TaskData[node.reduceCount];
for (int i = 0; i < reduceTasks.Length; i++)
{
reduceTasks[i] = new TaskData();
}
}
public void SimulateNodesUpdatesNodeDictionary()
{
//arrange
var uniformRandom = .01D;
var price = 2D;
var distributionIndex = 0;
var uniformRandoms = new[] { uniformRandom };
var cdfProbability = 1D;
var cdfProbabilities = new[] { cdfProbability };
var distribution = new Mock <IDistribution>();
distribution.Setup(d => d.CdfProbabilities).Returns(cdfProbabilities);
distribution.Setup(d => d.GetPrice(It.Is <double>(rand => rand == uniformRandom), It.Is <int>(ix => ix == distributionIndex))).Returns(price);
var distributions = new[] { distribution.Object };
var parentId = 1;
var parent = new Mock <INode>();
parent.Setup(p => p.Id).Returns(parentId);
parent.Setup(p => p.Distributions).Returns(distributions);
var childId = 2;
var child = new Mock <INode>();
child.Setup(c => c.Id).Returns(childId);
child.Setup(c => c.Parent).Returns(parent.Object);
child.Setup(c => c.Distributions).Returns(distributions);
IDictionary <int, INode> nodeDictionary = new SortedDictionary <int, INode> {
{ parentId, parent.Object }, { childId, child.Object }
};
var repository = new Mock <IUniformRandomRepository>();
repository.Setup(r => r.GetUniformRandoms()).Returns(uniformRandoms);
var simulator = new NodeSimulator(repository.Object);
//act
var results = simulator.SimulateNodes(nodeDictionary);
//assert
Assert.AreEqual(results[parentId][0], price);
Assert.AreEqual(results[childId][0], price);
}
/* THIS WAS AN ATTEMPT TO BREAK DOWN THE SORTING JOB INTO A BUNCH OF LITTLE PIECES SO THE WHOLE SIMULATOR DOESN"T HAVE TO WAIT FOR ITS COMPLETION
* (NEGATING THE "HITCHING" ISSUE)
* UNFORTUNATELY EVEN WITH ONLY 5 WORDS PER FRAME IT WAS TOO CHOPPY AND ONLY 5 WORDS/FRAME WOULD TAKE WAY TOO LONG
*
* string[] words;
* int sorted = 0;
*
* void doReducing()
* { // ATTEMPT 2: A helper method for actually doing file reducing
*
* string rawText = "";
* for (int i = 0; i < node.mapCount; i++)
* {
* rawText += File.ReadAllText(node.directory + "\\intermediate" + taskNumber + "-" + i + ".txt");
* }
* // (split the text into words)
* words = rawText.Split('\n');
* simulatedTaskTime = ((words.Length/300.0f)*UnityEngine.Random.Range(0.9f, 1.1f))/1000f; // now that we have more information, we can give a better simulated task time of 300 words per millisecond (slower than mapping)
*
* // (set up the sort)
* sorted = 0;
*
* }
*
* void doReducing2()
* {
* if (taskCompleted || !taskType.Equals("REDUCE"))
* return;
*
* if (sorted >= words.Length)
* {
* // We're done with the sorting! Move on to the last part
*
* // (count the words)
* int[] counts = new int[words.Length];
* for (int i = 0; i < counts.Length; i++)
* counts[i] = 1;
* for (int i = 0; i < words.Length; i++)
* {
* if (counts[i] == 0)
* continue;
*
* for (int j = i+1; j < words.Length && words[j] == words[i]; j++)
* {
* counts[i] += 1;
* counts[j] = 0;
* }
* }
*
* // Output to the file
* taskFiles = new string[1]; // (only one output file, but our format is an array, so a length 1 array it is)
* taskFiles[0] = node.directory + "\\" + "output"+taskNumber+".txt";
* StreamWriter writeFile = new StreamWriter(File.Create(taskFiles[0]));
*
* for (int i = 0; i < words.Length; i++)
* {
* if (counts[i] > 0)
* {
* string thisWord = words[i].Substring(0,words[i].Length-1);
* writeFile.WriteLine(thisWord + " " + counts[i]);
* }
* }
*
* taskCompleted = true;
* return;
* }
*
* Debug.Log("Sorting 5!");
* // otherwise, we're NOT done with the sorting
* // do X words per tick and then record our progress and stop
* for (int i = 0; i < 5 && sorted < words.Length; i++)
* {
* int minIndex = sorted;
* for (int j = sorted+1; j < words.Length; j++)
* {
* if (string.Compare(words[j], words[minIndex]) < 0)
* minIndex = j;
* }
*
* if (minIndex != sorted)
* {
* string tempword = words[minIndex];
* words[minIndex] = words[sorted];
* words[sorted] = tempword;
* }
*
* sorted += 1;
* }
*
* }*/
//
// SIMULATION INTERACTIONS
// (mostly dealing with importing initial values/setting up, or with running the simulation (timers/graphics)
// I would have preferred to put these outside in Node Simulator, but unfortunately this code is worker-specific
//
public void setup()
{
node = GetComponent <NodeSimulator>();
taskTimer = 0;
simulatedTaskTime = UnityEngine.Random.Range(0.001f, 0.030f); // initial task request after 1ms to 30ms
}
