// This method is reponsible for getting the all the file segments from the available clients and stitch all the file segments back together
public async Task GetDownloadFile(StateObject clientState)
{
// Requesting the file location file the server
var getLocationCmd = new ClientPassableObject(clientState);
getLocationCmd.GetFilesLocation(clientState.FileNameToDownload);
await ClientStart(getLocationCmd);
while (getLocationCmd.DoneFlag == false)
{
;
}
Console.WriteLine("Client: File: {0} has a length of {1}", clientState.FileNameToDownload, getLocationCmd.FileToDownloadLength);
for (int i = 0; i < getLocationCmd.AddressAtFile2Download.Count; i++)
{
Console.WriteLine("Client: Address: {0} Port: {1}", getLocationCmd.AddressAtFile2Download[i],
getLocationCmd.PortAtFile2Download[i]);
}
var DataOperator = new DataSegmentObject();
var NoOfSegments = DataOperator.GetNoOfSegments(getLocationCmd.FileToDownloadLength, clientState.MaxChunkSize);
List <byte[]> bytesResult = new List <byte[]>();
List <int> ResultSegIndex = new List <int>();
string hashResult = string.Empty;
for (int i = 0; i < NoOfSegments; i++)
{
//Console.WriteLine("Client: requesting File: {0} segment: {1} from {2} {3}", clientState.FileNameToDownload, i,
//getLocationCmd.AddressAtFile2Download[0], getLocationCmd.PortAtFile2Download[0]);
var getFileCmd = new ClientPassableObject(clientState);
getFileCmd.GetFile(getLocationCmd.AddressAtFile2Download[0], getLocationCmd.PortAtFile2Download[0], clientState.FileNameToDownload, i);
await ClientStart(getFileCmd);
while (getFileCmd.DoneFlag == false)
{
;
}
//Console.WriteLine("Client: Received segment {0}", i);
bytesResult.Add(getFileCmd.ResultFileSegment);
ResultSegIndex.Add(getFileCmd.ResultFileSegmentNo);
hashResult = getFileCmd.ResultFileHash;
}
Console.WriteLine("Received all segments of the file");
List <string> AvailableAddresses = getLocationCmd.AddressAtFile2Download;
List <int> AvailablePorts = getLocationCmd.PortAtFile2Download;
int NoOfAvailableClient = AvailableAddresses.Count;
string FileToDownload = getLocationCmd.FileToDownload;
int SegmentDone = 0;
int SegmentInTransit = 0;
List <bool> BusyClient = new List <bool>();
List <Task> task = new List <Task>();
List <int> indexOfTasks = new List <int>();
List <ClientPassableObject> cmd = new List <ClientPassableObject>();
//while (SegmentDone < NoOfSegments)
//{
// for (int q = 0; q < AvailableAddresses.Count; q++)
// {
// if (SegmentDone < NoOfSegments)
// {
// var getfileCmd = new ClientPassableObject(clientState);
// getfileCmd.GetFile(AvailableAddresses[q], AvailablePorts[q], FileToDownload, SegmentDone);
// Console.WriteLine("Requesting segment #{0} from {1} , {2}", SegmentDone + SegmentInTransit, AvailableAddresses[q], AvailablePorts[q]);
// task.Add(ClientStart(getfileCmd));
// cmd.Add(getfileCmd);
// SegmentDone++;
// task[0].Wait();
// }
// else
// break;
// }
// // Wait until all the tasks are complete
// while (true)
// {
// int counter = 0;
// foreach (var command in cmd)
// {
// if (command.DoneFlag)
// counter++;
// }
// if (counter == cmd.Count)
// break;
// }
// for (int k = 0; k < cmd.Count; k++)
// {
// bytesResult.Add(cmd[k].ResultFileSegment);
// ResultSegIndex.Add(cmd[k].ResultFileSegmentNo);
// hashResult = cmd[k].ResultFileHash;
// }
// task.Clear();
// indexOfTasks.Clear();
// cmd.Clear();
//}
//for (int i = 0; i < NoOfAvailableClient; i++)
// BusyClient.Add(false);
//while (SegmentDone < NoOfSegments)
//{
// if ((SegmentInTransit + SegmentDone) <= NoOfSegments)
// {
// if (BusyClient.IndexOf(false) > -1)
// {
// int j = BusyClient.IndexOf(false);
// var getfileCmd = new ClientPassableObject(clientState);
// getfileCmd.GetFile(AvailableAddresses[j], AvailablePorts[j], FileToDownload, SegmentDone + SegmentInTransit);
// Console.WriteLine("Requesting segment #{0} from {1} , {2}", SegmentDone + SegmentInTransit, AvailableAddresses[j], AvailablePorts[j]);
// task.Add(ClientStart(getfileCmd));
// indexOfTasks.Add(j);
// BusyClient[j] = true;
// cmd.Add(getfileCmd);
// SegmentInTransit++;
// }
// else
// {
// for (int k = 0; k < indexOfTasks.Count; k++)
// {
// if (cmd[k].DoneFlag)
// {
// bytesResult.Add(cmd[k].ResultFileSegment);
// ResultSegIndex.Add(cmd[k].ResultFileSegmentNo);
// hashResult = cmd[k].ResultFileHash;
// BusyClient[indexOfTasks[k]] = false;
// SegmentDone++;
// SegmentInTransit--;
// }
// }
// for (int f = indexOfTasks.Count -1; f >= 0; f--)
// {
// if (cmd[f].DoneFlag)
// {
// task.RemoveAt(f);
// indexOfTasks.RemoveAt(f);
// cmd.RemoveAt(f);
// }
// }
// }
// }
//}
// Reordering the info
List <byte[]> ResultInOrder = new List <byte[]>();
for (int k = 0; k < bytesResult.Count; k++)
{
int indexOfSegment = ResultSegIndex.IndexOf(k);
ResultInOrder.Add(bytesResult[indexOfSegment]);
}
// Combine all the segment and compare the hashcode
int filesize = 0;
int accumulativeSize = 0;
foreach (var seg in ResultInOrder)
{
filesize += seg.Length;
}
byte[] wholeFile = new byte[filesize];
foreach (var seg in ResultInOrder)
{
System.Buffer.BlockCopy(seg, 0, wholeFile, accumulativeSize, seg.Length);
accumulativeSize += seg.Length;
}
var dataparser = new DataSegmentObject();
if (dataparser.getHashAndCompare(wholeFile, hashResult) == true)
{
Console.WriteLine("File: {0} is finished. You can find the file in the your desktop.");
var path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + @"/" + clientState.FileNameToDownload + "new";
// Writing the whole file to the desktop
using (var bw = new BinaryWriter(File.Open(path, FileMode.OpenOrCreate)))
{
bw.Write(wholeFile);
}
FileInfo f = new FileInfo(path);
clientState.FilePathsToReg.Clear();
clientState.FilePathsToRegLength.Clear();
clientState.FilePathsToReg.Add(path);
clientState.FilePathsToRegLength.Add(f.Length);
var uploadcmd = new ClientPassableObject(clientState);
uploadcmd.RegisterFiles();
await ClientStart(uploadcmd);
while (uploadcmd.DoneFlag == false)
{
;
}
var DataParser = new DataSegmentObject();
// splitting the files up and store it in the temp folder
DataParser.SplitFile(path, clientState.MaxChunkSize, clientState.TempFolderPath);
var dictObject = new ObjectForFiledict();
dictObject.Hash = DataParser.GetHash(clientState.FilePathsToReg[0]);
dictObject.NoOfSegments = DataParser.GetNoOfSegments(clientState.FilePathsToRegLength[0], clientState.MaxChunkSize);
clientState.FileDict.Add(Path.GetFileName(clientState.FilePathsToReg[0]), dictObject);
}
else
{
Console.WriteLine("One of the file was corrupt. We need to retry");
}
commandPrint();
}
public async Task GetDownloadFile(StateObject clientState)
{
var getLocationCmd = new ClientPassableObject(clientState);
getLocationCmd.GetFilesLocation(clientState.FileNameToDownload);
await ClientStart(getLocationCmd);
while (getLocationCmd.DoneFlag == false) ;
var DataOperator = new DataSegmentObject();
var NoOfSegments = DataOperator.GetNoOfSegments(getLocationCmd.FileToDownloadLength, clientState.MaxChunkSize);
// Remove from the list your address and port in the event that you are requesting for a file that you already have
List<string> AddressesFromServer = getLocationCmd.AddressAtFile2Download;
List<int> PortsFromServer = getLocationCmd.PortAtFile2Download;
//List<int> index = new List<int>();
//for (int i = 0; i < AvailableAddresses.Count; i++)
//{
// if (AvailablePorts[i] == clientState.Port)
// {
// if (AvailableAddresses[i] == clientState.Address)
// index.Add(i);
// }
//}
//foreach (var item in index)
//{
// AvailablePorts.RemoveAt(item);
// AvailableAddresses.RemoveAt(item);
//}
int NoOfAvailableClient = AddressesFromServer.Count;
List<string> AvailableAddresses = new List<string>();
List<int> AvailablePorts = new List<int>();
for (int w = 0; w < NoOfAvailableClient; w++)
{
if ((PortsFromServer[w] == clientState.Port) && (AddressesFromServer[w] == clientState.Address))
{
if (NoOfAvailableClient == 1)
{
Console.WriteLine("You are the only one with the file");
commandPrint();
return;
}
}
else
{
AvailableAddresses.Add(AddressesFromServer[w]);
AvailablePorts.Add(PortsFromServer[w]);
}
}
NoOfAvailableClient = AvailableAddresses.Count;
string FileToDownload = getLocationCmd.FileToDownload;
int SegmentDone = 0;
int SegmentInTransit = 0;
List<bool> BusyClient = new List<bool>();
List<Task> task = new List<Task>();
List<int> indexOfTasks = new List<int>();
List<ClientPassableObject> cmd = new List<ClientPassableObject>();
List<string> Result = new List<string>();
List<int> ResultSegIndex = new List<int>();
string hashResult = string.Empty;
for (int i = 0; i < NoOfAvailableClient; i++)
BusyClient.Add(false);
while (SegmentDone < NoOfSegments)
{
if ((SegmentInTransit + SegmentDone) < NoOfSegments)
{
if (BusyClient.IndexOf(false) > -1)
{
int j = BusyClient.IndexOf(false);
var getfileCmd = new ClientPassableObject(clientState);
getfileCmd.GetFile(AvailableAddresses[j], AvailablePorts[j], FileToDownload, SegmentDone);
Console.WriteLine("Requesting segment #{0} from {1} , {2}", SegmentDone, AvailableAddresses[j], AvailablePorts[j]);
task.Add( ClientStart(getfileCmd) );
indexOfTasks.Add(j);
BusyClient[j] = true;
cmd.Add(getfileCmd);
SegmentInTransit++;
}
}
else
{
for (int k = 0; k < indexOfTasks.Count; k++)
{
if (cmd[k].DoneFlag)
{
Result.Add(cmd[k].ResultFileSegment);
ResultSegIndex.Add(cmd[k].ResultFileSegmentNo);
hashResult = cmd[k].ResultFileHash;
BusyClient[indexOfTasks[k]] = false;
task.RemoveAt(k);
indexOfTasks.RemoveAt(k);
cmd.RemoveAt(k);
SegmentDone++;
SegmentInTransit--;
}
}
}
}
StringBuilder ResultInOrder = new StringBuilder();
for (int k = 0; k < Result.Count; k++)
{
int indexOfSegment = ResultSegIndex.IndexOf(k);
ResultInOrder.Append( Result[indexOfSegment]);
}
string ResultWhole = ResultInOrder.ToString();
string ConvertedHash = DataOperator.GetHash(ResultWhole);
if (ConvertedHash != hashResult)
{
Console.WriteLine("The hashes does not match");
}
foreach (var item in Result)
{
Console.WriteLine(item);
}
// now split
//Console.WriteLine("Name of file: {0}", getLocationCmd.FileToDownload);
//Console.WriteLine("Size of file: {0}", getLocationCmd.FileToDownloadLength);
//Console.WriteLine("Address: {0}", getLocationCmd.AddressAtFile2Download[0]);
//Console.WriteLine("Port: {0}", getLocationCmd.PortAtFile2Download[0]);
commandPrint();
}
public async Task GetDownloadFile(StateObject clientState)
{
var getLocationCmd = new ClientPassableObject(clientState);
getLocationCmd.GetFilesLocation(clientState.FileNameToDownload);
await ClientStart(getLocationCmd);
while (getLocationCmd.DoneFlag == false)
{
;
}
var DataOperator = new DataSegmentObject();
var NoOfSegments = DataOperator.GetNoOfSegments(getLocationCmd.FileToDownloadLength, clientState.MaxChunkSize);
// Remove from the list your address and port in the event that you are requesting for a file that you already have
List <string> AddressesFromServer = getLocationCmd.AddressAtFile2Download;
List <int> PortsFromServer = getLocationCmd.PortAtFile2Download;
//List<int> index = new List<int>();
//for (int i = 0; i < AvailableAddresses.Count; i++)
//{
// if (AvailablePorts[i] == clientState.Port)
// {
// if (AvailableAddresses[i] == clientState.Address)
// index.Add(i);
// }
//}
//foreach (var item in index)
//{
// AvailablePorts.RemoveAt(item);
// AvailableAddresses.RemoveAt(item);
//}
int NoOfAvailableClient = AddressesFromServer.Count;
List <string> AvailableAddresses = new List <string>();
List <int> AvailablePorts = new List <int>();
for (int w = 0; w < NoOfAvailableClient; w++)
{
if ((PortsFromServer[w] == clientState.Port) && (AddressesFromServer[w] == clientState.Address))
{
if (NoOfAvailableClient == 1)
{
Console.WriteLine("You are the only one with the file");
commandPrint();
return;
}
}
else
{
AvailableAddresses.Add(AddressesFromServer[w]);
AvailablePorts.Add(PortsFromServer[w]);
}
}
NoOfAvailableClient = AvailableAddresses.Count;
string FileToDownload = getLocationCmd.FileToDownload;
int SegmentDone = 0;
int SegmentInTransit = 0;
List <bool> BusyClient = new List <bool>();
List <Task> task = new List <Task>();
List <int> indexOfTasks = new List <int>();
List <ClientPassableObject> cmd = new List <ClientPassableObject>();
List <string> Result = new List <string>();
List <int> ResultSegIndex = new List <int>();
string hashResult = string.Empty;
for (int i = 0; i < NoOfAvailableClient; i++)
{
BusyClient.Add(false);
}
while (SegmentDone < NoOfSegments)
{
if ((SegmentInTransit + SegmentDone) < NoOfSegments)
{
if (BusyClient.IndexOf(false) > -1)
{
int j = BusyClient.IndexOf(false);
var getfileCmd = new ClientPassableObject(clientState);
getfileCmd.GetFile(AvailableAddresses[j], AvailablePorts[j], FileToDownload, SegmentDone);
Console.WriteLine("Requesting segment #{0} from {1} , {2}", SegmentDone, AvailableAddresses[j], AvailablePorts[j]);
task.Add(ClientStart(getfileCmd));
indexOfTasks.Add(j);
BusyClient[j] = true;
cmd.Add(getfileCmd);
SegmentInTransit++;
}
}
else
{
for (int k = 0; k < indexOfTasks.Count; k++)
{
if (cmd[k].DoneFlag)
{
Result.Add(cmd[k].ResultFileSegment);
ResultSegIndex.Add(cmd[k].ResultFileSegmentNo);
hashResult = cmd[k].ResultFileHash;
BusyClient[indexOfTasks[k]] = false;
task.RemoveAt(k);
indexOfTasks.RemoveAt(k);
cmd.RemoveAt(k);
SegmentDone++;
SegmentInTransit--;
}
}
}
}
StringBuilder ResultInOrder = new StringBuilder();
for (int k = 0; k < Result.Count; k++)
{
int indexOfSegment = ResultSegIndex.IndexOf(k);
ResultInOrder.Append(Result[indexOfSegment]);
}
string ResultWhole = ResultInOrder.ToString();
string ConvertedHash = DataOperator.GetHash(ResultWhole);
if (ConvertedHash != hashResult)
{
Console.WriteLine("The hashes does not match");
}
foreach (var item in Result)
{
Console.WriteLine(item);
}
// now split
//Console.WriteLine("Name of file: {0}", getLocationCmd.FileToDownload);
//Console.WriteLine("Size of file: {0}", getLocationCmd.FileToDownloadLength);
//Console.WriteLine("Address: {0}", getLocationCmd.AddressAtFile2Download[0]);
//Console.WriteLine("Port: {0}", getLocationCmd.PortAtFile2Download[0]);
commandPrint();
}
// This method is reponsible for getting the all the file segments from the available clients and stitch all the file segments back together
public async Task GetDownloadFile(StateObject clientState)
{
// Requesting the file location file the server
var getLocationCmd = new ClientPassableObject(clientState);
getLocationCmd.GetFilesLocation(clientState.FileNameToDownload);
await ClientStart(getLocationCmd);
while (getLocationCmd.DoneFlag == false) ;
Console.WriteLine("Client: File: {0} has a length of {1}", clientState.FileNameToDownload, getLocationCmd.FileToDownloadLength);
for (int i = 0; i < getLocationCmd.AddressAtFile2Download.Count; i++)
{
Console.WriteLine("Client: Address: {0} Port: {1}", getLocationCmd.AddressAtFile2Download[i],
getLocationCmd.PortAtFile2Download[i]);
}
var DataOperator = new DataSegmentObject();
var NoOfSegments = DataOperator.GetNoOfSegments(getLocationCmd.FileToDownloadLength, clientState.MaxChunkSize);
List<byte[]> bytesResult = new List<byte[]>();
List<int> ResultSegIndex = new List<int>();
string hashResult = string.Empty;
for (int i = 0; i < NoOfSegments; i++)
{
//Console.WriteLine("Client: requesting File: {0} segment: {1} from {2} {3}", clientState.FileNameToDownload, i,
//getLocationCmd.AddressAtFile2Download[0], getLocationCmd.PortAtFile2Download[0]);
var getFileCmd = new ClientPassableObject(clientState);
getFileCmd.GetFile(getLocationCmd.AddressAtFile2Download[0], getLocationCmd.PortAtFile2Download[0], clientState.FileNameToDownload, i);
await ClientStart(getFileCmd);
while (getFileCmd.DoneFlag == false) ;
//Console.WriteLine("Client: Received segment {0}", i);
bytesResult.Add(getFileCmd.ResultFileSegment);
ResultSegIndex.Add(getFileCmd.ResultFileSegmentNo);
hashResult = getFileCmd.ResultFileHash;
}
Console.WriteLine("Received all segments of the file");
List<string> AvailableAddresses = getLocationCmd.AddressAtFile2Download;
List<int> AvailablePorts = getLocationCmd.PortAtFile2Download;
int NoOfAvailableClient = AvailableAddresses.Count;
string FileToDownload = getLocationCmd.FileToDownload;
int SegmentDone = 0;
int SegmentInTransit = 0;
List<bool> BusyClient = new List<bool>();
List<Task> task = new List<Task>();
List<int> indexOfTasks = new List<int>();
List<ClientPassableObject> cmd = new List<ClientPassableObject>();
//while (SegmentDone < NoOfSegments)
//{
// for (int q = 0; q < AvailableAddresses.Count; q++)
// {
// if (SegmentDone < NoOfSegments)
// {
// var getfileCmd = new ClientPassableObject(clientState);
// getfileCmd.GetFile(AvailableAddresses[q], AvailablePorts[q], FileToDownload, SegmentDone);
// Console.WriteLine("Requesting segment #{0} from {1} , {2}", SegmentDone + SegmentInTransit, AvailableAddresses[q], AvailablePorts[q]);
// task.Add(ClientStart(getfileCmd));
// cmd.Add(getfileCmd);
// SegmentDone++;
// task[0].Wait();
// }
// else
// break;
// }
// // Wait until all the tasks are complete
// while (true)
// {
// int counter = 0;
// foreach (var command in cmd)
// {
// if (command.DoneFlag)
// counter++;
// }
// if (counter == cmd.Count)
// break;
// }
// for (int k = 0; k < cmd.Count; k++)
// {
// bytesResult.Add(cmd[k].ResultFileSegment);
// ResultSegIndex.Add(cmd[k].ResultFileSegmentNo);
// hashResult = cmd[k].ResultFileHash;
// }
// task.Clear();
// indexOfTasks.Clear();
// cmd.Clear();
//}
//for (int i = 0; i < NoOfAvailableClient; i++)
// BusyClient.Add(false);
//while (SegmentDone < NoOfSegments)
//{
// if ((SegmentInTransit + SegmentDone) <= NoOfSegments)
// {
// if (BusyClient.IndexOf(false) > -1)
// {
// int j = BusyClient.IndexOf(false);
// var getfileCmd = new ClientPassableObject(clientState);
// getfileCmd.GetFile(AvailableAddresses[j], AvailablePorts[j], FileToDownload, SegmentDone + SegmentInTransit);
// Console.WriteLine("Requesting segment #{0} from {1} , {2}", SegmentDone + SegmentInTransit, AvailableAddresses[j], AvailablePorts[j]);
// task.Add(ClientStart(getfileCmd));
// indexOfTasks.Add(j);
// BusyClient[j] = true;
// cmd.Add(getfileCmd);
// SegmentInTransit++;
// }
// else
// {
// for (int k = 0; k < indexOfTasks.Count; k++)
// {
// if (cmd[k].DoneFlag)
// {
// bytesResult.Add(cmd[k].ResultFileSegment);
// ResultSegIndex.Add(cmd[k].ResultFileSegmentNo);
// hashResult = cmd[k].ResultFileHash;
// BusyClient[indexOfTasks[k]] = false;
// SegmentDone++;
// SegmentInTransit--;
// }
// }
// for (int f = indexOfTasks.Count -1; f >= 0; f--)
// {
// if (cmd[f].DoneFlag)
// {
// task.RemoveAt(f);
// indexOfTasks.RemoveAt(f);
// cmd.RemoveAt(f);
// }
// }
// }
// }
//}
// Reordering the info
List<byte[]> ResultInOrder = new List<byte[]>();
for (int k = 0; k < bytesResult.Count; k++)
{
int indexOfSegment = ResultSegIndex.IndexOf(k);
ResultInOrder.Add(bytesResult[indexOfSegment]);
}
// Combine all the segment and compare the hashcode
int filesize = 0;
int accumulativeSize = 0;
foreach (var seg in ResultInOrder)
filesize += seg.Length;
byte[] wholeFile = new byte[filesize];
foreach (var seg in ResultInOrder)
{
System.Buffer.BlockCopy(seg, 0, wholeFile, accumulativeSize, seg.Length);
accumulativeSize += seg.Length;
}
var dataparser = new DataSegmentObject();
if (dataparser.getHashAndCompare(wholeFile, hashResult) == true)
{
Console.WriteLine("File: {0} is finished. You can find the file in the your desktop.");
var path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + @"/" + clientState.FileNameToDownload + "new";
// Writing the whole file to the desktop
using (var bw = new BinaryWriter(File.Open(path, FileMode.OpenOrCreate)))
{
bw.Write(wholeFile);
}
FileInfo f = new FileInfo(path);
clientState.FilePathsToReg.Clear();
clientState.FilePathsToRegLength.Clear();
clientState.FilePathsToReg.Add(path);
clientState.FilePathsToRegLength.Add(f.Length);
var uploadcmd = new ClientPassableObject(clientState);
uploadcmd.RegisterFiles();
await ClientStart(uploadcmd);
while (uploadcmd.DoneFlag == false) ;
var DataParser = new DataSegmentObject();
// splitting the files up and store it in the temp folder
DataParser.SplitFile(path, clientState.MaxChunkSize, clientState.TempFolderPath);
var dictObject = new ObjectForFiledict();
dictObject.Hash = DataParser.GetHash(clientState.FilePathsToReg[0]);
dictObject.NoOfSegments = DataParser.GetNoOfSegments(clientState.FilePathsToRegLength[0], clientState.MaxChunkSize);
clientState.FileDict.Add(Path.GetFileName(clientState.FilePathsToReg[0]), dictObject);
}
else
{
Console.WriteLine("One of the file was corrupt. We need to retry");
}
commandPrint();
}
