public static void UpdateNodeInformation(string id, NodeRepresentation node)
{
if (!knownWorkers.ContainsKey(id))
{
throw new Exception("Trying to update worker information but he does not exist!");
}
knownWorkers[id] = node;
string myUrl;
node.info.TryGetValue(NodeRepresentation.SERVICE_URL, out myUrl);
if (myUrl == null || (myUrl != null && myUrl == ""))
{
Logger.LogWarn("Worker " + id + " did not provide a service url!! Bad update!");
return;
}
//node is back up again
if (downWorkers.Contains(id))
{
downWorkers.Remove(id);
}
knownKUrlWorkers[myUrl] = node;
}
public string GenerateFieldIteratorThroughNodes(IDictionary<string, NodeRepresentation> knownNodes, NodeRepresentation node, string fieldName, string separator)
{
int numberOfTimes = knownNodes.Count * 2 + 1;
string id = "";
string nextFieldNameValue = "";
string result = "";
for (int i = 0; i < numberOfTimes; i++)
{
node.info.TryGetValue(NodeRepresentation.ID, out id);
node.info.TryGetValue(fieldName, out nextFieldNameValue);
result += separator + id;
if (nextFieldNameValue == null || (nextFieldNameValue != null && nextFieldNameValue == ""))
{
throw new Exception("Node " + id + " has no " + fieldName + " !");
}
knownNodes.TryGetValue(nextFieldNameValue, out node);
if (node == null)
{
throw new Exception("No information on " + fieldName + ".");
}
}
return result;
}
private List <TreeNode> NodeAtributesRepresentationToTree(NodeRepresentation node)
{
IDictionary <string, string> values = node.info;
List <TreeNode> result = new List <TreeNode>();
foreach (KeyValuePair <string, string> entry in values)
{
string fieldName = entry.Key;
string value = entry.Value;
TreeNode field = CreateNode(fieldName, fieldName);
field.Text = fieldName + " = " + value;
result.Add(field);
}
return(result);
}
public static void RegisterNewWorker(string id, string url)
{
Logger.LogInfo("Register worker: " + id + " : " + url);
if (knownWorkers.ContainsKey(id))
{
Logger.LogWarn("Already registered " + id + " worker. Skipping.");
return;
}
IDictionary<string, string> dic = new Dictionary<string, string>();
dic.Add(NodeRepresentation.ID, id);
dic.Add(NodeRepresentation.SERVICE_URL, url);
NodeRepresentation n = new NodeRepresentation(dic);
knownWorkers.Add(id, n);
knownKUrlWorkers.Add(url, n);
IWorker w = (IWorker)Activator.GetObject(typeof(IWorker), url);
workersObj.Add(id, w);
}
public static void RegisterNewWorker(string id, string url)
{
Logger.LogInfo("Register worker: " + id + " : " + url);
if (knownWorkers.ContainsKey(id))
{
Logger.LogWarn("Already registered " + id + " worker. Skipping.");
return;
}
IDictionary <string, string> dic = new Dictionary <string, string>();
dic.Add(NodeRepresentation.ID, id);
dic.Add(NodeRepresentation.SERVICE_URL, url);
NodeRepresentation n = new NodeRepresentation(dic);
knownWorkers.Add(id, n);
knownKUrlWorkers.Add(url, n);
IWorker w = (IWorker)Activator.GetObject(typeof(IWorker), url);
workersObj.Add(id, w);
}
private void AddNodeRepresentation(string rootNodeKey, NodeRepresentation node)
{
TreeNode root = TreeViewUtil.FindNode(NetworkTreeView, rootNodeKey);
if (root == null)
{
Logger.LogErr("Something bad happened generating tree: cant find rootNode " + rootNodeKey);
return;
}
string id = "";
node.info.TryGetValue(NodeRepresentation.ID, out id);
TreeNode nodeTree = CreateNode(id, rootNodeKey + ":" + id);
foreach (TreeNode t in NodeAtributesRepresentationToTree(node))
{
nodeTree.Nodes.Add(t);
}
root.Nodes.Add(nodeTree);
root.Expand();
}
private List<TreeNode> NodeAtributesRepresentationToTree(NodeRepresentation node)
{
IDictionary<string, string> values = node.info;
List<TreeNode> result = new List<TreeNode>();
foreach (KeyValuePair<string, string> entry in values)
{
string fieldName = entry.Key;
string value = entry.Value;
TreeNode field = CreateNode(fieldName, fieldName);
field.Text = fieldName + " = " + value;
result.Add(field);
}
return result;
}
private void AddNodeRepresentation(string rootNodeKey, NodeRepresentation node)
{
TreeNode root = TreeViewUtil.FindNode(NetworkTreeView, rootNodeKey);
if (root == null)
{
Logger.LogErr("Something bad happened generating tree: cant find rootNode " + rootNodeKey);
return;
}
string id = "";
node.info.TryGetValue(NodeRepresentation.ID, out id);
TreeNode nodeTree = CreateNode(id, rootNodeKey + ":" + id);
foreach (TreeNode t in NodeAtributesRepresentationToTree(node))
{
nodeTree.Nodes.Add(t);
}
root.Nodes.Add(nodeTree);
root.Expand();
}
public void RefreshNetWorkConfiguration()
{
//collapse
NetworkTreeView.CollapseAll();
string timeStamp = TIMESTAMP_TAG + ":" + GenerateTimeStamp();
TreeNode now = CreateNode(timeStamp, timeStamp);
NetworkTreeView.Nodes.Add(now);
IDictionary<string, NodeRepresentation> knownNodes = NetworkManager.GetKnownWorkers();
List<string> downNodes = NetworkManager.GetDownWorkers();
List<string> currentJTs = new List<string>();
//check if active nodes
if (knownNodes.Count != 0 && knownNodes.Count != downNodes.Count)
{
string activeTag = ACTIVE_WORKERS_TAG + ":" + timeStamp;
TreeNode active = CreateNode(ACTIVE_WORKERS_TAG, activeTag);
active.BackColor = ACTIVE_WORKERS_COLOR;
now.Nodes.Add(active);
string splitTag = SPLITS_TAG + ":" + timeStamp;
TreeNode splitNode = CreateNode(SPLITS_TAG, splitTag);
splitNode.BackColor = SPLITS_COLOR;
now.Nodes.Add(splitNode);
//Generating Active workers
foreach (KeyValuePair<string, NodeRepresentation> entry in knownNodes)
{
string splits;
entry.Value.info.TryGetValue(NodeRepresentation.PROCESSED_SPLITS, out splits);
if (!(splits == null || (splits != null && splits == "")))
{
splitNode.Nodes.Add(CreateNode(splits, splitTag + ":" + splits));
}
//check if it not flagged as down
if (!downNodes.Contains(entry.Key))
{
AddNodeRepresentation(activeTag, entry.Value);
string jobTracker = "";
entry.Value.info.TryGetValue(NodeRepresentation.CURRENT_JT, out jobTracker);
if (jobTracker != null && !currentJTs.Contains(jobTracker))
{
currentJTs.Add(jobTracker);
}
}
}
}
if (downNodes.Count != 0)
{
string downTag = DOWN_WORKERS_TAG + ":" + timeStamp;
TreeNode down = CreateNode(DOWN_WORKERS_TAG, downTag);
down.BackColor = DOWN_WORKERS_COLOR;
now.Nodes.Add(down);
foreach (string id in downNodes)
{
AddNodeRepresentation(downTag, knownNodes[id]);
}
}
if (currentJTs.Count != 0)
{
string jtTag = CURRENT_JTS_TAG + ":" + timeStamp;
TreeNode jt = CreateNode(CURRENT_JTS_TAG, jtTag);
jt.BackColor = CURRENT_JTS_COLOR;
now.Nodes.Add(jt);
foreach (string id in currentJTs)
{
if (knownNodes.ContainsKey(id))
{
AddNodeRepresentation(jtTag, knownNodes[id]);
}
else
{
NodeRepresentation node = new NodeRepresentation();
node.info.Add("UNKNOWN JOBTRACKER WORKER ID", id);
AddNodeRepresentation(jtTag, node);
}
}
}
now.Expand();
mostRecentNode = now;
}
public static void UpdateNodeInformation(string id, NodeRepresentation node)
{
if (!knownWorkers.ContainsKey(id))
{
throw new Exception("Trying to update worker information but he does not exist!");
}
knownWorkers[id] = node;
string myUrl;
node.info.TryGetValue(NodeRepresentation.SERVICE_URL, out myUrl);
if (myUrl == null || (myUrl != null && myUrl == ""))
{
Logger.LogWarn("Worker " + id + " did not provide a service url!! Bad update!");
return;
}
//node is back up again
if (downWorkers.Contains(id))
{
downWorkers.Remove(id);
}
knownKUrlWorkers[myUrl] = node;
}
public void GenerateGraph()
{
//reconstruction of the ring again
IDictionary <string, NodeRepresentation> knownNodes = NetworkManager.GetKnownUrlWorkers();
if (knownNodes.Count == 0)
{
Logger.LogWarn("There are no known nodes");
return;
}
NodeRepresentation node = knownNodes[knownNodes.Keys.First(t => true)];
//Generating nextUrlGraph
try {
string result = GenerateFieldIteratorThroughNodes(knownNodes, node, NodeRepresentation.NEXT_URL, " -> ");
TreeNode tagNode = CreateNode(RING_NEXT_URL_TAG + " : " + result, RING_NEXT_URL_TAG);
tagNode.BackColor = RING_NEXT_COLOR;
mostRecentNode.Nodes.Add(tagNode);
}catch (Exception) {
//Logger.LogWarn(ex.Message);
}
//Generating nextNextUrlGraph 1
try
{
string resultNextNextUrl1 = GenerateFieldIteratorThroughNodes(knownNodes, node, NodeRepresentation.NEXT_NEXT_URL, " ->> ");
TreeNode tagNode1 = CreateNode(RING_NEXT_NEXT_URL_START1_TAG + " : " + resultNextNextUrl1, RING_NEXT_NEXT_URL_START1_TAG);
tagNode1.BackColor = RING_NEXT_NEXT_1_COLOR;
mostRecentNode.Nodes.Add(tagNode1);
}catch (Exception) {
//Logger.LogWarn(ex.Message);
}
//Generating nextNextUrlGraph 2
try {
string nextUrl;
node.info.TryGetValue(NodeRepresentation.NEXT_URL, out nextUrl);
NodeRepresentation node2;
if (nextUrl == null)
{
throw new Exception("Not enough information to process nextNextGraph 2");
}
knownNodes.TryGetValue(nextUrl, out node2);
string resultNextNextUrl2 = GenerateFieldIteratorThroughNodes(knownNodes, node2, NodeRepresentation.NEXT_NEXT_URL, " ->> ");
TreeNode tagNode2 = CreateNode(RING_NEXT_NEXT_URL_START2_TAG + " : " + resultNextNextUrl2, RING_NEXT_NEXT_URL_START2_TAG);
tagNode2.BackColor = RING_NEXT_NEXT_2_COLOR;
mostRecentNode.Nodes.Add(tagNode2);
}
catch (Exception)
{
//Logger.LogWarn(ex.Message);
}
//Generating backUrlGraph 1
try
{
string resultBackUrl = GenerateFieldIteratorThroughNodes(knownNodes, node, NodeRepresentation.BACK_URL, " <- ");
TreeNode backNode = CreateNode(RING_BACK_URL_TAG + " : " + resultBackUrl, RING_BACK_URL_TAG);
backNode.BackColor = RING_BACK_URL_COLOR;
mostRecentNode.Nodes.Add(backNode);
}
catch (Exception)
{
//Logger.LogWarn(ex.Message);
}
}
public string GenerateFieldIteratorThroughNodes(IDictionary <string, NodeRepresentation> knownNodes, NodeRepresentation node, string fieldName, string separator)
{
int numberOfTimes = knownNodes.Count * 2 + 1;
string id = "";
string nextFieldNameValue = "";
string result = "";
for (int i = 0; i < numberOfTimes; i++)
{
node.info.TryGetValue(NodeRepresentation.ID, out id);
node.info.TryGetValue(fieldName, out nextFieldNameValue);
result += separator + id;
if (nextFieldNameValue == null || (nextFieldNameValue != null && nextFieldNameValue == ""))
{
throw new Exception("Node " + id + " has no " + fieldName + " !");
}
knownNodes.TryGetValue(nextFieldNameValue, out node);
if (node == null)
{
throw new Exception("No information on " + fieldName + ".");
}
}
return(result);
}
public void RefreshNetWorkConfiguration()
{
//collapse
NetworkTreeView.CollapseAll();
string timeStamp = TIMESTAMP_TAG + ":" + GenerateTimeStamp();
TreeNode now = CreateNode(timeStamp, timeStamp);
NetworkTreeView.Nodes.Add(now);
IDictionary <string, NodeRepresentation> knownNodes = NetworkManager.GetKnownWorkers();
List <string> downNodes = NetworkManager.GetDownWorkers();
List <string> currentJTs = new List <string>();
//check if active nodes
if (knownNodes.Count != 0 && knownNodes.Count != downNodes.Count)
{
string activeTag = ACTIVE_WORKERS_TAG + ":" + timeStamp;
TreeNode active = CreateNode(ACTIVE_WORKERS_TAG, activeTag);
active.BackColor = ACTIVE_WORKERS_COLOR;
now.Nodes.Add(active);
string splitTag = SPLITS_TAG + ":" + timeStamp;
TreeNode splitNode = CreateNode(SPLITS_TAG, splitTag);
splitNode.BackColor = SPLITS_COLOR;
now.Nodes.Add(splitNode);
//Generating Active workers
foreach (KeyValuePair <string, NodeRepresentation> entry in knownNodes)
{
string splits;
entry.Value.info.TryGetValue(NodeRepresentation.PROCESSED_SPLITS, out splits);
if (!(splits == null || (splits != null && splits == "")))
{
splitNode.Nodes.Add(CreateNode(splits, splitTag + ":" + splits));
}
//check if it not flagged as down
if (!downNodes.Contains(entry.Key))
{
AddNodeRepresentation(activeTag, entry.Value);
string jobTracker = "";
entry.Value.info.TryGetValue(NodeRepresentation.CURRENT_JT, out jobTracker);
if (jobTracker != null && !currentJTs.Contains(jobTracker))
{
currentJTs.Add(jobTracker);
}
}
}
}
if (downNodes.Count != 0)
{
string downTag = DOWN_WORKERS_TAG + ":" + timeStamp;
TreeNode down = CreateNode(DOWN_WORKERS_TAG, downTag);
down.BackColor = DOWN_WORKERS_COLOR;
now.Nodes.Add(down);
foreach (string id in downNodes)
{
AddNodeRepresentation(downTag, knownNodes[id]);
}
}
if (currentJTs.Count != 0)
{
string jtTag = CURRENT_JTS_TAG + ":" + timeStamp;
TreeNode jt = CreateNode(CURRENT_JTS_TAG, jtTag);
jt.BackColor = CURRENT_JTS_COLOR;
now.Nodes.Add(jt);
foreach (string id in currentJTs)
{
if (knownNodes.ContainsKey(id))
{
AddNodeRepresentation(jtTag, knownNodes[id]);
}
else
{
NodeRepresentation node = new NodeRepresentation();
node.info.Add("UNKNOWN JOBTRACKER WORKER ID", id);
AddNodeRepresentation(jtTag, node);
}
}
}
now.Expand();
mostRecentNode = now;
}
