private List<SearchFile> LoadFiles()
{
DirectoryInfo dirInfo = new DirectoryInfo(ClassLibrary.Config.SharedFolder);
FileInfo[] filesInfo = dirInfo.GetFiles();
List<SearchFile> files = new List<SearchFile>();
foreach (var fileInfo in filesInfo)
{
ClassLibrary.Entites.File file = new ClassLibrary.Entites.File();
file.FileName = fileInfo.Name;
file.FileType = fileInfo.Extension;
file.FileSize = fileInfo.Length;
SHA512 sha512 = SHA512.Create();
using (var stream = fileInfo.Open(FileMode.Open, FileAccess.Read))
{
file.FileHash = BitConverter.ToString(sha512.ComputeHash(stream), 0);
}
file.PeerName = manager.Peer.PeerName;
file.PeerID = manager.Peer.PeerID;
files.Add(new SearchFile(file));
}
return files;
}
private List <SearchFile> LoadFiles()
{
DirectoryInfo dirInfo = new DirectoryInfo(ClassLibrary.Config.SharedFolder);
FileInfo[] filesInfo = dirInfo.GetFiles();
List <SearchFile> files = new List <SearchFile>();
foreach (var fileInfo in filesInfo)
{
ClassLibrary.Entites.File file = new ClassLibrary.Entites.File();
file.FileName = fileInfo.Name;
file.FileType = fileInfo.Extension;
file.FileSize = fileInfo.Length;
SHA512 sha512 = SHA512.Create();
using (var stream = fileInfo.Open(FileMode.Open, FileAccess.Read))
{
file.FileHash = BitConverter.ToString(sha512.ComputeHash(stream), 0);
}
file.PeerName = manager.Peer.PeerName;
file.PeerID = manager.Peer.PeerID;
files.Add(new SearchFile(file));
}
return(files);
}
private void buttonAddFile_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
DialogResult result = openFileDialog.ShowDialog(this);
if (result == DialogResult.OK)
{
string destination = ClassLibrary.Config.SharedFolder + "\\" + Path.GetFileName(openFileDialog.FileName);
try
{
FileSystem.CopyFile(openFileDialog.FileName, destination, UIOption.AllDialogs);
ClassLibrary.Entites.File file = new ClassLibrary.Entites.File();
FileInfo fileInfo = new FileInfo(destination);
file.FileName = fileInfo.Name;
file.FileType = fileInfo.Extension;
file.FileSize = fileInfo.Length;
SHA512 sha512 = SHA512.Create();
using (var stream = fileInfo.Open(FileMode.Open, FileAccess.Read))
{
file.FileHash = BitConverter.ToString(sha512.ComputeHash(stream), 0);
}
file.PeerName = manager.Peer.PeerName;
file.PeerID = manager.Peer.PeerID;
manager.AddFile(file);
dataGridViewFManager.DataSource = LoadFiles();
}
catch (OperationCanceledException) { }
}
}
public SearchFile(File file)
{
this.FileName = file.FileName;
this.FileSize = file.FileSize;
this.FileType = file.FileType;
this.FileHash = file.FileHash;
this.file = file;
}
public void DeleteFile(File file)
{
string temp = String.Format("DELETE FROM files WHERE peerId='{0}' and fileHash='{1}' and fileName='{2}'",
file.PeerID, file.FileHash, file.FileName);
dbConnection.Update(temp);
// log the event
logging.LogI(String.Format("Info: *** A file '{0}' has been deleted ***" +
Environment.NewLine, file.FileName));
}
public void AddFile(ClassLibrary.Entites.File file)
{
SuperPeerServiceClient ssc = new SuperPeerServiceClient();
List <ClassLibrary.Entites.File> tempList = new List <ClassLibrary.Entites.File>();
tempList.Add(file);
ssc.AddFiles(tempList);
}
public void DoHost(Peer peer)
{
PeerServiceHost.peer = peer;
string address = string.Empty;
address = string.Format("net.tcp://{0}:{1}/PeerToPeerClient.Services/PeerService",
peer.PeerHostName, Config.LocalPort);
Uri uri = new Uri(address);
NetTcpBinding tcpBinding = new NetTcpBinding(SecurityMode.None);
ServiceHost serviceHost = new ServiceHost(typeof(PeerService), uri);
serviceHost.AddServiceEndpoint(typeof(IPeerService), tcpBinding, "");
serviceHost.Open();
// add this peer to the server
SuperPeerServiceClient ssc = new SuperPeerServiceClient();
ssc.AddPeer(peer);
// add the files that this peer wants to share to the server
DirectoryInfo dirInfo = new DirectoryInfo(Config.SharedFolder);
if (dirInfo.Exists)
{
FileInfo[] filesInfo = dirInfo.GetFiles();
List<ClassLibrary.Entites.File> files = new List<ClassLibrary.Entites.File>();
foreach (var fileInfo in filesInfo)
{
ClassLibrary.Entites.File file = new ClassLibrary.Entites.File();
file.FileName = fileInfo.Name;
file.FileType = fileInfo.Extension;
file.FileSize = fileInfo.Length;
SHA512 sha512 = SHA512.Create();
using (var stream = fileInfo.Open(FileMode.Open, FileAccess.Read))
{
file.FileHash = BitConverter.ToString(sha512.ComputeHash(stream), 0);
}
file.PeerName = peer.PeerName;
file.PeerID = peer.PeerID;
files.Add(file);
}
if (files.Count != 0)
ssc.AddFiles(files);
}
else
dirInfo.Create();
}
private void buttonAddFile_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
DialogResult result = openFileDialog.ShowDialog(this);
if (result == DialogResult.OK)
{
string destination = ClassLibrary.Config.SharedFolder + "\\" + Path.GetFileName(openFileDialog.FileName);
try
{
FileSystem.CopyFile(openFileDialog.FileName, destination, UIOption.AllDialogs);
ClassLibrary.Entites.File file = new ClassLibrary.Entites.File();
FileInfo fileInfo = new FileInfo(destination);
file.FileName = fileInfo.Name;
file.FileType = fileInfo.Extension;
file.FileSize = fileInfo.Length;
SHA512 sha512 = SHA512.Create();
using (var stream = fileInfo.Open(FileMode.Open, FileAccess.Read))
{
file.FileHash = BitConverter.ToString(sha512.ComputeHash(stream), 0);
}
file.PeerName = manager.Peer.PeerName;
file.PeerID = manager.Peer.PeerID;
manager.AddFile(file);
dataGridViewFManager.DataSource = LoadFiles();
}
catch (OperationCanceledException) { }
}
}
private void StartDownload(object state)
{
ClassLibrary.Entites.SearchFile file = state as SearchFile;
Action<object> downloadAction = new Action<object>(DownloadFilePart);
ClassLibrary.Entites.File temp = new File();
temp.FileName = file.FileName;
temp.FileSize = file.FileSize;
temp.FileType = file.FileType;
temp.FileHash = file.FileHash;
long partCount = file.FileSize / ClassLibrary.Config.FiePartsize;
long mod = file.FileSize % ClassLibrary.Config.FiePartsize;
if (mod > 0) partCount++;
int allowedThreads = partCount < (long)ClassLibrary.Config.NumberThreads ? (int)partCount:
ClassLibrary.Config.NumberThreads;
allowedThreads = allowedThreads < file.PeerNames.Count() ? allowedThreads :
file.PeerNames.Count();
int numIterations = (int)(partCount / allowedThreads);
long part = 0;
while (numIterations > 0)
{
int i = allowedThreads;
while (i > 0) {
temp.PeerName = file.PeerNames.ToArray()[--i];
Task downloadActionTask = new Task(downloadAction, new DownloadParameter {
File = temp,
Part = part,
AllPartsCount = partCount
});
downloadActionTask.Start();
part++;
}
numIterations--;
}
mod = partCount % allowedThreads;
while (mod > 0)
{
temp.PeerName = file.PeerNames.ToArray()[--mod];
Task downloadActionTask = new Task(downloadAction, new DownloadParameter
{
File = temp,
Part = part,
AllPartsCount = partCount
});
downloadActionTask.Start();
part++;
}
}
public List<SearchFile> SearchAvailableFiles(string fileName)
{
string query = String.Format("SELECT * FROM files WHERE fileName LIKE '%{0}%'", fileName);
SQLiteDataReader reader = dbConnection.Select(query);
List<SearchFile> result = new List<SearchFile>();
List<File> availableFiles = new List<File>();
while (reader.Read())
{
File file = new File();
file.FileName = (string)reader["fileName"];
file.FileSize = long.Parse(reader["fileSize"].ToString());
file.FileType = (string)reader["fileType"];
file.FileHash = (string)reader["fileHash"];
file.PeerName = (string)reader["peerName"];
availableFiles.Add(file);
}
// create groups of the same files
var sameFileGroups = availableFiles.GroupBy(x => x.FileHash);
foreach (var sameFiles in sameFileGroups)
{
// create groups of same files and with same name
var sameNameAndFileGroups = sameFiles.GroupBy(x => x.FileName);
foreach (var temp in sameNameAndFileGroups) {
List<String> hosts = new List<String>();
SearchFile searchFile = new SearchFile();
File file = temp.First();
searchFile.FileName = file.FileName;
searchFile.FileSize = file.FileSize;
searchFile.FileType = file.FileType;
searchFile.FileHash = file.FileHash;
for (int i = 0; i < temp.Count(); i++)
{
hosts.Add(temp.ElementAt(i).PeerName);
}
searchFile.PeerNames = hosts;
result.Add(searchFile);
}
}
return result;
}
public void DeleteFile(ClassLibrary.Entites.File file)
{
SuperPeerServiceClient ssc = new SuperPeerServiceClient();
ssc.DeleteFile(file);
}
public void DoHost(Peer peer)
{
PeerServiceHost.peer = peer;
string address = string.Empty;
address = string.Format("net.tcp://{0}:{1}/PeerToPeerClient.Services/PeerService",
peer.PeerHostName, Config.LocalPort);
Uri uri = new Uri(address);
NetTcpBinding tcpBinding = new NetTcpBinding(SecurityMode.None);
ServiceHost serviceHost = new ServiceHost(typeof(PeerService), uri);
serviceHost.AddServiceEndpoint(typeof(IPeerService), tcpBinding, "");
serviceHost.Open();
// add this peer to the server
SuperPeerServiceClient ssc = new SuperPeerServiceClient();
ssc.AddPeer(peer);
// add the files that this peer wants to share to the server
DirectoryInfo dirInfo = new DirectoryInfo(Config.SharedFolder);
if (dirInfo.Exists)
{
FileInfo[] filesInfo = dirInfo.GetFiles();
List <ClassLibrary.Entites.File> files = new List <ClassLibrary.Entites.File>();
foreach (var fileInfo in filesInfo)
{
ClassLibrary.Entites.File file = new ClassLibrary.Entites.File();
file.FileName = fileInfo.Name;
file.FileType = fileInfo.Extension;
file.FileSize = fileInfo.Length;
SHA512 sha512 = SHA512.Create();
using (var stream = fileInfo.Open(FileMode.Open, FileAccess.Read))
{
file.FileHash = BitConverter.ToString(sha512.ComputeHash(stream), 0);
}
file.PeerName = peer.PeerName;
file.PeerID = peer.PeerID;
files.Add(file);
}
if (files.Count != 0)
{
ssc.AddFiles(files);
}
}
else
{
dirInfo.Create();
}
}