public void Reconnect()
{
SparkleLogger.LogInfo("Listener", "Trying to reconnect to " + Server);
Connect();
}
public void OnDisconnected(DisconnectReason reason, string message)
{
SparkleLogger.LogInfo("Listener", "Disconnected from " + Server + ": " + message);
Disconnected(reason);
}
private void ListenerDisconnectedDelegate()
{
this.poll_interval = PollInterval.Short;
SparkleLogger.LogInfo(Name, "Falling back to regular polling");
}
// Starts a new thread and listens to the channel
public override void Connect()
{
this.is_connecting = true;
this.thread = new Thread(() => {
int port = Server.Port;
if (port < 0)
{
port = 443;
}
try {
this.socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp)
{
ReceiveTimeout = 5 * 1000,
SendTimeout = 5 * 1000
};
// Try to connect to the server
this.socket.Connect(Server.Host, port);
this.is_connecting = false;
this.is_connected = true;
OnConnected();
} catch (Exception e) {
this.is_connected = false;
this.is_connecting = false;
if (this.socket != null)
{
this.socket.Close();
}
OnDisconnected(SparkleLib.DisconnectReason.TimeOut, e.Message);
return;
}
byte [] bytes = new byte [4096];
int bytes_read = 0;
this.last_ping = DateTime.Now;
// Wait for messages
while (this.is_connected)
{
try {
int i = 0;
int timeout = 300;
DisconnectReason reason = DisconnectReason.TimeOut;
// This blocks the thread
while (this.socket.Available < 1)
{
try {
// We've timed out, let's ping the server to
// see if the connection is still up
if (i == timeout)
{
SparkleLogger.LogInfo("ListenerTcp", "Pinging " + Server);
byte [] ping_bytes = Encoding.UTF8.GetBytes("ping\n");
byte [] pong_bytes = new byte [4096];
this.socket.Send(ping_bytes);
if (this.socket.Receive(pong_bytes) < 1)
{
// 10057 means "Socket is not connected"
throw new SocketException(10057);
}
SparkleLogger.LogInfo("ListenerTcp", "Received pong from " + Server);
i = 0;
this.last_ping = DateTime.Now;
}
else
{
// Check when the last ping occured. If it's
// significantly longer than our regular interval the
// system likely woke up from sleep and we want to
// simulate a disconnect
int sleepiness = DateTime.Compare(
this.last_ping.AddMilliseconds(timeout * 1000 * 1.2),
DateTime.Now
);
if (sleepiness <= 0)
{
SparkleLogger.LogInfo("ListenerTcp", "System woke up from sleep");
reason = DisconnectReason.SystemSleep;
// 10057 means "Socket is not connected"
throw new SocketException(10057);
}
}
// The ping failed: disconnect completely
} catch (SocketException e) {
Disconnect(reason, "Ping timeout: " + e.Message);
return;
}
Thread.Sleep(1000);
i++;
}
} catch (Exception) {
return;
}
try {
if (this.socket.Available > 0)
{
bytes_read = this.socket.Receive(bytes);
}
// Parse the received message
if (bytes_read > 0)
{
string received = Encoding.UTF8.GetString(bytes);
string line = received.Substring(0, received.IndexOf("\n"));
if (!line.Contains("!"))
{
continue;
}
string folder_identifier = line.Substring(0, line.IndexOf("!"));
string message = CleanMessage(line.Substring(line.IndexOf("!") + 1));
// We have a message!
if (!folder_identifier.Equals("debug") && !string.IsNullOrEmpty(message))
{
OnAnnouncement(new SparkleAnnouncement(folder_identifier, message));
}
}
} catch (SocketException e) {
Disconnect(DisconnectReason.TimeOut, "Timeout during receiving: " + e.Message);
return;
}
}
});
this.thread.Start();
}
private void SyncUpBase()
{
if (!UseCustomWatcher)
{
this.watcher.Disable();
}
SparkleLogger.LogInfo("SyncUp", Name + " | Initiated");
HasUnsyncedChanges = true;
Status = SyncStatus.SyncUp;
SyncStatusChanged(Status);
if (SyncUp())
{
SparkleLogger.LogInfo("SyncUp", Name + " | Done");
ChangeSets = GetChangeSets();
HasUnsyncedChanges = false;
this.poll_interval = PollInterval.Long;
this.listener.Announce(new SparkleAnnouncement(Identifier, CurrentRevision));
Status = SyncStatus.Idle;
SyncStatusChanged(Status);
}
else
{
SparkleLogger.LogInfo("SyncUp", Name + " | Error");
SyncDownBase();
if (!UseCustomWatcher)
{
this.watcher.Disable();
}
if (Error == ErrorStatus.None && SyncUp())
{
HasUnsyncedChanges = false;
this.listener.Announce(new SparkleAnnouncement(Identifier, CurrentRevision));
Status = SyncStatus.Idle;
SyncStatusChanged(Status);
}
else
{
this.poll_interval = PollInterval.Short;
Status = SyncStatus.Error;
SyncStatusChanged(Status);
}
}
ProgressPercentage = 0.0;
ProgressSpeed = 0.0;
if (!UseCustomWatcher)
{
this.watcher.Enable();
}
}
private void SyncDownBase()
{
if (!UseCustomWatcher)
{
this.watcher.Disable();
}
SparkleLogger.LogInfo("SyncDown", Name + " | Initiated");
Status = SyncStatus.SyncDown;
SyncStatusChanged(Status);
string pre_sync_revision = CurrentRevision;
if (SyncDown())
{
SparkleLogger.LogInfo("SyncDown", Name + " | Done");
Error = ErrorStatus.None;
string identifier_file_path = Path.Combine(LocalPath, ".sparkleshare");
File.SetAttributes(identifier_file_path, FileAttributes.Hidden);
ChangeSets = GetChangeSets();
if (!pre_sync_revision.Equals(CurrentRevision) &&
ChangeSets != null && ChangeSets.Count > 0 &&
!ChangeSets [0].User.Name.Equals(this.local_config.User.Name))
{
bool emit_change_event = true;
foreach (SparkleChange change in ChangeSets[0].Changes)
{
if (change.Path.EndsWith(".sparkleshare"))
{
emit_change_event = false;
break;
}
}
if (emit_change_event)
{
NewChangeSet(ChangeSets [0]);
}
}
// There could be changes from a resolved
// conflict. Tries only once, then lets
// the timer try again periodically
if (HasUnsyncedChanges)
{
Status = SyncStatus.SyncUp;
SyncStatusChanged(Status);
if (SyncUp())
{
HasUnsyncedChanges = false;
}
}
Status = SyncStatus.Idle;
SyncStatusChanged(Status);
}
else
{
SparkleLogger.LogInfo("SyncDown", Name + " | Error");
ChangeSets = GetChangeSets();
Status = SyncStatus.Error;
SyncStatusChanged(Status);
}
ProgressPercentage = 0.0;
ProgressSpeed = 0.0;
Status = SyncStatus.Idle;
SyncStatusChanged(Status);
if (!UseCustomWatcher)
{
this.watcher.Enable();
}
}
public void OnFileActivity(FileSystemEventArgs args)
{
if (IsBuffering || this.is_syncing)
{
return;
}
if (args != null)
{
foreach (string exclude_path in ExcludePaths)
{
if (args.FullPath.Contains(Path.DirectorySeparatorChar + exclude_path))
{
return;
}
}
}
lock (this.buffer_lock) {
if (IsBuffering || this.is_syncing || !HasLocalChanges)
{
return;
}
IsBuffering = true;
}
ChangesDetected();
if (!UseCustomWatcher)
{
this.watcher.Disable();
}
SparkleLogger.LogInfo("Local", Name + " | Activity detected, waiting for it to settle...");
List <double> size_buffer = new List <double> ();
DirectoryInfo info = new DirectoryInfo(LocalPath);
do
{
if (size_buffer.Count >= 4)
{
size_buffer.RemoveAt(0);
}
size_buffer.Add(CalculateSize(info));
if (size_buffer.Count >= 4 &&
size_buffer [0].Equals(size_buffer [1]) &&
size_buffer [1].Equals(size_buffer [2]) &&
size_buffer [2].Equals(size_buffer [3]))
{
SparkleLogger.LogInfo("Local", Name + " | Activity has settled");
IsBuffering = false;
bool first_sync = true;
if (HasLocalChanges && Status == SyncStatus.Idle)
{
do
{
if (!first_sync)
{
SparkleLogger.LogInfo("Local", Name + " | More changes found");
}
SyncUpBase();
if (Error == ErrorStatus.UnreadableFiles)
{
return;
}
first_sync = false;
} while (HasLocalChanges);
}
else
{
Status = SyncStatus.Idle;
SyncStatusChanged(Status);
}
}
else
{
Thread.Sleep(500);
}
} while (IsBuffering);
if (!UseCustomWatcher)
{
this.watcher.Enable();
}
}
public SparkleRepoBase(string path, SparkleConfig config)
{
SparkleLogger.LogInfo(path, "Initializing...");
Status = SyncStatus.Idle;
Error = ErrorStatus.None;
this.local_config = config;
LocalPath = path;
Name = Path.GetFileName(LocalPath);
RemoteUrl = new Uri(this.local_config.GetUrlForFolder(Name));
IsBuffering = false;
this.identifier = Identifier;
ChangeSets = GetChangeSets();
string identifier_file_path = Path.Combine(LocalPath, ".sparkleshare");
File.SetAttributes(identifier_file_path, FileAttributes.Hidden);
if (!UseCustomWatcher)
{
this.watcher = new SparkleWatcher(LocalPath);
}
new Thread(() => CreateListener()).Start();
this.remote_timer.Elapsed += delegate {
if (this.is_syncing || IsBuffering)
{
return;
}
int time_comparison = DateTime.Compare(this.last_poll, DateTime.Now.Subtract(this.poll_interval));
if (time_comparison < 0)
{
if (HasUnsyncedChanges && !this.is_syncing)
{
SyncUpBase();
}
this.last_poll = DateTime.Now;
if (HasRemoteChanges && !this.is_syncing)
{
SyncDownBase();
}
if (this.listener.IsConnected)
{
this.poll_interval = PollInterval.Long;
}
}
// In the unlikely case that we haven't synced up our
// changes or the server was down, sync up again
if (HasUnsyncedChanges && !this.is_syncing && Error == ErrorStatus.None)
{
SyncUpBase();
}
};
}
private void SyncDownBase()
{
if (!UseCustomWatcher)
{
this.watcher.Disable();
}
SparkleLogger.LogInfo("SyncDown", Name + " | Initiated");
SyncStatusChanged(SyncStatus.SyncDown);
string pre_sync_revision = CurrentRevision;
if (SyncDown())
{
SparkleLogger.LogInfo("SyncDown", Name + " | Done");
ServerOnline = true;
ChangeSets = GetChangeSets();
if (!pre_sync_revision.Equals(CurrentRevision) && ChangeSets != null && ChangeSets.Count > 0)
{
bool emit_change_event = true;
foreach (SparkleChange change in ChangeSets[0].Changes)
{
if (change.Path.EndsWith(".sparkleshare"))
{
emit_change_event = false;
break;
}
}
if (emit_change_event)
{
NewChangeSet(ChangeSets [0]);
}
}
// There could be changes from a resolved
// conflict. Tries only once, then lets
// the timer try again periodically
if (HasUnsyncedChanges)
{
SyncStatusChanged(SyncStatus.SyncUp);
SyncUp();
HasUnsyncedChanges = false;
}
SyncStatusChanged(SyncStatus.Idle);
}
else
{
SparkleLogger.LogInfo("SyncDown", Name + " | Error");
ServerOnline = false;
ChangeSets = GetChangeSets();
SyncStatusChanged(SyncStatus.Error);
}
ProgressPercentage = 0.0;
ProgressSpeed = "";
if (!UseCustomWatcher)
{
this.watcher.Enable();
}
SyncStatusChanged(SyncStatus.Idle);
}
public void OnFileActivity(FileSystemEventArgs args)
{
if (IsBuffering)
{
return;
}
ChangesDetected();
string relative_path = args.FullPath.Replace(LocalPath, "");
foreach (string exclude_path in ExcludePaths)
{
if (relative_path.Contains(exclude_path))
{
return;
}
}
if (IsBuffering || !HasLocalChanges)
{
return;
}
IsBuffering = true;
if (!UseCustomWatcher)
{
this.watcher.Disable();
}
SparkleLogger.LogInfo("Local", Name + " | Activity detected, waiting for it to settle...");
List <double> size_buffer = new List <double> ();
do
{
if (size_buffer.Count >= 4)
{
size_buffer.RemoveAt(0);
}
DirectoryInfo info = new DirectoryInfo(LocalPath);
size_buffer.Add(CalculateSize(info));
if (size_buffer.Count >= 4 &&
size_buffer [0].Equals(size_buffer [1]) &&
size_buffer [1].Equals(size_buffer [2]) &&
size_buffer [2].Equals(size_buffer [3]))
{
SparkleLogger.LogInfo("Local", Name + " | Activity has settled");
IsBuffering = false;
if (HasLocalChanges)
{
do
{
SyncUpBase();
} while (HasLocalChanges);
}
else
{
SyncStatusChanged(SyncStatus.Idle);
}
}
else
{
Thread.Sleep(500);
}
} while (IsBuffering);
if (!UseCustomWatcher)
{
this.watcher.Enable();
}
}
public void Start()
{
IsActive = true;
Started();
SparkleLogger.LogInfo("Fetcher", TargetFolder + " | Fetching folder: " + RemoteUrl);
if (Directory.Exists(TargetFolder))
{
Directory.Delete(TargetFolder, true);
}
string host = RemoteUrl.Host;
string host_key = GetHostKey();
if (string.IsNullOrEmpty(host) || host_key == null)
{
Failed();
return;
}
bool warn = true;
if (RequiredFingerprint != null)
{
string host_fingerprint = GetFingerprint(host_key);
if (host_fingerprint == null || !RequiredFingerprint.Equals(host_fingerprint))
{
SparkleLogger.LogInfo("Auth", "Fingerprint doesn't match");
this.errors.Add("error: Host fingerprint doesn't match");
Failed();
return;
}
warn = false;
SparkleLogger.LogInfo("Auth", "Fingerprint matches");
}
else
{
SparkleLogger.LogInfo("Auth", "Skipping fingerprint check");
}
AcceptHostKey(host_key, warn);
this.thread = new Thread(() => {
if (Fetch())
{
Thread.Sleep(500);
SparkleLogger.LogInfo("Fetcher", "Finished");
IsActive = false;
// TODO: Find better way to determine if folder should have crypto setup
bool repo_is_encrypted = RemoteUrl.ToString().Contains("crypto");
Finished(repo_is_encrypted, IsFetchedRepoEmpty, Warnings);
}
else
{
Thread.Sleep(500);
SparkleLogger.LogInfo("Fetcher", "Failed");
IsActive = false;
Failed();
}
});
this.thread.Start();
}
