/*Broadcasts the script to all other peers*/
public static void BroadcastTransaction(string[] script)
{
RestRequest request = new RestRequest("api/client/getclientlist/");
IRestResponse resp = RestClient.Get(request);
if (resp.IsSuccessful)
{
List <Client> clients = JsonConvert.DeserializeObject <List <Client> >(resp.Content);
foreach (Client c in clients)
{
if (c.port != me.port) //Don't broadcast it to me i already have it
{
ChannelFactory <PeerServerInterface> channelFactory;
NetTcpBinding tcp = new NetTcpBinding();
tcp.MaxReceivedMessageSize = 2147483647;
string clientURL = String.Format("net.tcp://{0}:{1}/DataService", c.ipaddress, c.port);
channelFactory = new ChannelFactory <PeerServerInterface>(tcp, clientURL);
PeerServerInterface channel = channelFactory.CreateChannel();
channel.GetNewScript(script);
}
}
logger.LogFunc("SUCCESS:Broadcasted script to all clients");
}
else
{
logger.LogFunc("ERROR:Could not broadcast script to all clients");
}
}
/*Called when the users enters and submits code*/
public void SubmitCode_Click(object sender, RoutedEventArgs e)
{
try
{
ChannelFactory <PeerServerInterface> channelFactory;
NetTcpBinding tcp = new NetTcpBinding();
tcp.MaxReceivedMessageSize = 2147483647;
string clientURL = String.Format("net.tcp://{0}:{1}/DataService", me.ipaddress, me.port);
channelFactory = new ChannelFactory <PeerServerInterface>(tcp, clientURL);
PeerServerInterface channel = channelFactory.CreateChannel();
//Channel to the peer server has been created
string scriptStr = CodeBox.Text;
string encodedStr = EncodeString(scriptStr);
string[] codeStr = new string[2] {
encodedStr, ""
}; //Converting the ans to a string if it isn't already
Job j = new Job(codeStr[0], codeStr[1], jobId);
myJobs.Add(j);
jobId++; //incremented for the next job this client creates
RestRequest request = new RestRequest("api/client/getclientlist/");
IRestResponse resp = RestClient.Get(request);
if (resp.IsSuccessful) //Checking if the client list was available to get
{
List <Client> clients = JsonConvert.DeserializeObject <List <Client> >(resp.Content);
foreach (Client c in clients) //Give this to every client including myself
{
tcp = new NetTcpBinding();
tcp.MaxReceivedMessageSize = 2147483647;
clientURL = String.Format("net.tcp://{0}:{1}/DataService", c.ipaddress, c.port);
channelFactory = new ChannelFactory <PeerServerInterface>(tcp, clientURL);
channel = channelFactory.CreateChannel();
channel.GetNewScript(codeStr); //Adding it to every clients script queue
}
UpdateJobList();
}
else
{
logger.LogFunc("ERROR: Could not retrieve the list of clients");
}
}
catch (FormatException ex)
{
logger.LogFunc("ERROR: The user input was incorrect");
MessageBox.Show("Please input python script correctly");
}
}
public static void GetMostPopular(APIClasses.Block block)
{
bool isPopular = false;
RestRequest request = new RestRequest("api/client/getclientlist/");
IRestResponse resp = RestClient.Get(request);
List <Client> clients = JsonConvert.DeserializeObject <List <Client> >(resp.Content);
Dictionary <string, List <Client> > clientMap = new Dictionary <string, List <Client> >(); //<hash, <list<ports who have that hash>>
Client mostPopular = new Client(); //This is the client's whose block chain we will take
int popularity = 0;
string popularHash = block.hash;
foreach (Client c in clients)
{
ChannelFactory <PeerServerInterface> channelFactory;
NetTcpBinding tcp = new NetTcpBinding();
tcp.MaxReceivedMessageSize = 2147483647;
string clientURL = String.Format("net.tcp://{0}:{1}/DataService", c.ipaddress, c.port);
channelFactory = new ChannelFactory <PeerServerInterface>(tcp, clientURL);
PeerServerInterface channel = channelFactory.CreateChannel();
APIClasses.Block b = channel.GetCurrentBlock();
//Hash is the key and then if someone else has that key increase the value at that key
if (clientMap.ContainsKey(b.hash))
{
clientMap[b.hash].Add(c);
}
else
{
List <Client> ports = new List <Client>();
ports.Add(c);
clientMap.Add(b.hash, ports);
}
}
foreach (KeyValuePair <string, List <Client> > entry in clientMap)
{
if (entry.Value.Count > popularity)
{
mostPopular = entry.Value.ElementAt(0);
popularHash = entry.Key;
popularity = entry.Value.Count;
}
}
if (!popularHash.Equals(block.hash)) //If my hash is not the most popular
{
Thread.Sleep(1000); //Sleep long enough so you can get the updated version of the others
ChannelFactory <PeerServerInterface> channelFactory;
NetTcpBinding tcp = new NetTcpBinding();
tcp.MaxReceivedMessageSize = 2147483647;
string clientURL = String.Format("net.tcp://{0}:{1}/DataService", mostPopular.ipaddress, mostPopular.port);
channelFactory = new ChannelFactory <PeerServerInterface>(tcp, clientURL);
PeerServerInterface channel = channelFactory.CreateChannel();
Messenger.blockChain = channel.GetBlockChain();
}
else
{
//you've got the best chain
}
}
/*-------------------------------------Network Thread------------------------------------------*/
/* ---------------------------------------WARNING----------------------------------------------*/
/* The code you are about to witness is a brainwave and if given more time it would be seperated
* out into different functions and made more clear but I didn't have enough time */
public async Task NetworkThread()
{
await Task.Run(() =>
{
try
{
while (true)
{
RestRequest request = new RestRequest("api/client/getclientlist");
IRestResponse resp = RestClient.Get(request);
clientList = JsonConvert.DeserializeObject <List <Client> >(resp.Content);
//Used to make the swarm more fair, start from the begginning and then start from the end
if (fairSwarm)
{
fairSwarm = false;
foreach (Client client in clientList)
{
if (me.port != client.port)
{
ChannelFactory <PeerServerInterface> channelFactory;
NetTcpBinding tcp = new NetTcpBinding();
tcp.MaxReceivedMessageSize = 2147483647;
string clientURL = String.Format("net.tcp://{0}:{1}/DataService", client.ipaddress, client.port);
channelFactory = new ChannelFactory <PeerServerInterface>(tcp, clientURL);
channel = channelFactory.CreateChannel();
currentJob = channel.DownloadJob();
if (currentJob != null)
{
byte[] hash = CreateHash(currentJob.code);
if (hash.SequenceEqual(currentJob.hash))
{
/*Sourced from
* https://stackoverflow.com/questions/7053172/how-can-i-call-ironpython-code-from-a-c-sharp-app
*/
Job doJob = currentJob;
if (string.IsNullOrEmpty(doJob.code))
{
throw new EmptyCodeException();
}
else
{
byte[] eoncodedBytes = Convert.FromBase64String(doJob.code);
string code = System.Text.Encoding.UTF8.GetString(eoncodedBytes);
ChangeUIElements(true);
Microsoft.Scripting.Hosting.ScriptEngine pythonEngine = IronPython.Hosting.Python.CreateEngine();
Microsoft.Scripting.Hosting.ScriptSource pythonScript = pythonEngine.CreateScriptSourceFromString(code);
var answer = pythonScript.Execute();
Dispatcher.BeginInvoke(new Action(() =>
{
try
{
doJob.answer = answer;
channel.UploadAns(doJob);
jobCount++;
ChangeJobCount();
}
catch (Microsoft.CSharp.RuntimeBinder.RuntimeBinderException e) //Converting the answer to a string
{
doJob.answer = answer.ToString();
channel.UploadAns(doJob);
jobCount++;
ChangeJobCount();
}
ChangeUIElements(false);
Thread.Sleep(2000); //Just so it doesn't constantly keep checking it sleeps for 2 seconds to chill for a bit
}));
}
currentJob = null;
}
}
}
}
}
else
{
fairSwarm = true;
for (int i = clientList.Count - 1; i >= 0; i--)
{
Client client = clientList[i];
if (me.port != client.port)
{
ChannelFactory <PeerServerInterface> channelFactory;
NetTcpBinding tcp = new NetTcpBinding();
tcp.MaxReceivedMessageSize = 2147483647;
string clientURL = String.Format("net.tcp://{0}:{1}/DataService", client.ipaddress, client.port);
channelFactory = new ChannelFactory <PeerServerInterface>(tcp, clientURL);
channel = channelFactory.CreateChannel();
currentJob = channel.DownloadJob();
if (currentJob != null)
{
byte[] hash = CreateHash(currentJob.code);
if (hash.SequenceEqual(currentJob.hash))
{
/*Sourced from
* https://stackoverflow.com/questions/7053172/how-can-i-call-ironpython-code-from-a-c-sharp-app
*/
Job doJob = currentJob;
if (string.IsNullOrEmpty(doJob.code))
{
throw new EmptyCodeException();
}
byte[] eoncodedBytes = Convert.FromBase64String(doJob.code);
string code = System.Text.Encoding.UTF8.GetString(eoncodedBytes);
ChangeUIElements(true);
Microsoft.Scripting.Hosting.ScriptEngine pythonEngine = IronPython.Hosting.Python.CreateEngine();
Microsoft.Scripting.Hosting.ScriptSource pythonScript = pythonEngine.CreateScriptSourceFromString(code);
var answer = pythonScript.Execute();
Dispatcher.BeginInvoke(new Action(() =>
{
//If have time encode ans but who cares for now
try
{
doJob.answer = answer;
channel.UploadAns(doJob);
jobCount++;
ChangeJobCount();
}
catch (Microsoft.CSharp.RuntimeBinder.RuntimeBinderException e) //Converting the answer to a string
{
doJob.answer = answer.ToString();
channel.UploadAns(doJob);
jobCount++;
ChangeJobCount();
}
ChangeUIElements(false);
Thread.Sleep(5000);
}));
currentJob = null;
}
}
}
}
}
UpdateScore();
Thread.Sleep(10000);
}
}
catch (System.ServiceModel.EndpointNotFoundException e)
{
//Occurs when someone leaves the swarm
UpdateScore();
logger.LogFunc("Error occured in the Networking Thread, someone has left the swarm abruptly");
}
catch (IronPython.Runtime.UnboundNameException e)
{
//When the input something not code
MessageBox.Show("It appears were given a job that was in the wrong format");
ChangeUIElements(false);
currentJob.error = true;
channel.UploadAns(currentJob);
logger.LogFunc("Error occured in the Networking Thread, the users input code is invalid");
}
catch (EmptyCodeException e)
{
//when the input is empty
logger.LogFunc("Error occured in the Networking Thread, the user didn't enter any code");
}
});
}
