public MainForm()
{
InitializeComponent();
numUpDownMaxBackupCapacity.Value = Settings.Default.maxBackupCapacity;
db = new NodeDatabase();
indexDB = new IndexDatabase();
DataTable dt = db.GetNodes();
dataGridViewNodeSets.DataSource = dt;
ebic = new EBInterfaceClient();
/*
dataGridViewNodeSets.Rows.Add("936DA01F-9ABD-4d9d-80C7-02AF85C822A8", "PC1", "192.168.1.1", "00-21-70-FE-23-EF", "1", "51", "89", "0", "100","yes");
dataGridViewNodeSets.Rows.Add("936DA01F-9ABD-4d9d-80C7-02AF85C822A8", "PC2", "192.168.1.2", "00-21-69-FE-23-AB", "32", "50", "88", "25", "75", "yes");
dataGridViewNodeSets.Rows.Add("936DA01F-9ABD-4d9d-80C7-02AF85C822AC", "PC3", "192.168.1.3", "00-21-69-FE-23-AC", "62", "49", "87", "50", "50", "no");
*/
}
// After the local node receives the index file from a foreign node
// Merge that foreign index file with the local index file, then delete the foreign index file
public void processIndexes(string filePath)
{
IndexDatabase ind = new IndexDatabase();
ind.MergeIndexFiles(filePath);
if (System.IO.File.Exists(filePath))
{
try
{
System.IO.File.Delete(filePath);
}
catch (System.IO.IOException e)
{
Debug.Print(e.Message);
}
}
}
// Send indexes to a specific node
// Use after a node comes online
public void sendIndexes(string guid)
{
NodeDatabase ndb = new NodeDatabase();
IndexDatabase idd = new IndexDatabase();
if (!idd.TablesEmpty()) //if there are indexes to send
{
string indexDBCopy = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetEntryAssembly().Location) + @"\indexes_" + (Properties.Settings.Default.guid).ToString() + ".s3db";
if (System.IO.File.Exists(idd.GetPathFileName()))
{
try
{
System.IO.File.Copy(idd.GetPathFileName(), indexDBCopy, true);
}
catch (System.IO.IOException e)
{
Debug.Print(e.Message);
}
}
Guid myGuid = Node.GetGuid();
TcpClient tcpClient = new TcpClient((ndb.SelectNodeIp(Guid.Parse(guid))).ToString(), 7890);
ClientThread ct = new ClientThread(tcpClient, false, myGuid);
PushIndexRequest pir = new PushIndexRequest(indexDBCopy, new FileInfo(indexDBCopy).Length);
ct.EnqueueWork(pir);
NetworkResponse response = (NetworkResponse)ct.DequeueEvent();
while (ct.IsWorking())
{
Thread.Sleep(1000);
}
ct.RequestStop();
while (ct.IsAlive())
{
Thread.Sleep(1000);
}
}
}
// Send indexes to all trusted nodes that are online
// For use after a backup and associated index insertion have occurred
public void sendIndexes()
{
IndexDatabase idd = new IndexDatabase();
if (!idd.TablesEmpty()) //if there are indexes to send
{
DistributionDatabase ddb = new DistributionDatabase();
List<string> guidList = new List<string>();
NodeDatabase ndb = new NodeDatabase();
string online = "online";
string indexDBCopy = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetEntryAssembly().Location) + @"\indexes_" + (Properties.Settings.Default.guid).ToString() + ".s3db";
if (System.IO.File.Exists(idd.GetPathFileName()))
{
try
{
System.IO.File.Copy(idd.GetPathFileName(), indexDBCopy, true);
}
catch (System.IO.IOException e)
{
Debug.Print(e.Message);
}
}
guidList = ndb.SelectGUID();
foreach (string currentGUID in guidList)
{
if (Node.GetGuid() != Guid.Parse(currentGUID) && ddb.GetStatus(currentGUID) == online && ndb.SelectNodeTrusted(Guid.Parse(currentGUID)) == "yes")
{
Guid myGuid = Node.GetGuid();
TcpClient tcpClient = new TcpClient((ndb.SelectNodeIp(Guid.Parse(currentGUID))).ToString(), 7890);
ClientThread ct = new ClientThread(tcpClient, false, myGuid);
PushIndexRequest pir = new PushIndexRequest(indexDBCopy, new FileInfo(indexDBCopy).Length);
ct.EnqueueWork(pir);
NetworkResponse response = (NetworkResponse)ct.DequeueEvent();
while (ct.IsWorking())
{
Thread.Sleep(1000);
}
ct.RequestStop();
while (ct.IsAlive())
{
Thread.Sleep(1000);
}
}
}
}
}
protected void checkStorageThread()
{
if (storageThread.NumChunks() > 0)
{
Chunk chunk = storageThread.DequeueChunk();
Logger.Debug("EchoBackupService:checkStorageThread Finished archiving chunk.");
//identify host(s) to send to.
List<GuidAndIP> gai = NetworkFunctions.GetOnlineNodesIPAddresses();
if (gai.Count < 2)
{
Logger.Warn("EchoBackupService:checkStorageThread not enough online hosts. hosts online: " + gai.Count);
}
//send chunk to hosts.
List<Block> blocks = new List<Block>();
long filesize = new FileInfo(chunk.Path()).Length;
for (int i = 0; i < 2 && i < gai.Count; i++)
{
TcpClient tc = new TcpClient(gai[i].ipAddress.ToString(), CommandServer.SERVER_PORT);
ClientThread ct = new ClientThread(tc, false, this.guid);
PushRequest pr = new PushRequest(Node.GetIPAddress(), this.guid, MiscFunctions.Next());
pr.Path = chunk.Path();
pr.FileSize = filesize;
pr.BackupNumber = chunk.BackupID();
pr.ChunkNumber = chunk.ChunkID();
ct.EnqueueWork(pr);
lock (clientThreads)
{
clientThreads.Add(ct);
}
blocks.Add(new Block(this.guid.ToString(), gai[i].guid.ToString(), "bad storage path", filesize, MiscFunctions.DBDateAndTime()));
}
//do something with the index so we know about this backup
//store files in BackupIndex
IndexDatabase idb = new IndexDatabase();
foreach (FileInChunk fic in chunk.Files())
{
BackupIndex bi = new BackupIndex();
string fullpath = Path.Combine(chunk.BasePath(), fic.path);
if (Directory.Exists(fullpath)) continue;
bi.backupLevel = 0;
bi.dateAndTime = MiscFunctions.DBDateAndTime();
bi.firstBlockOffset = 0;
bi.size = new FileInfo(fullpath).Length;
bi.sourceGUID = this.guid.ToString();
bi.sourcePath = fullpath;
//todo: we cannot insert multiple blocks for every file. that is what the index-to-block table is for
//idb.InsertIndex(bi, blocks);
}
//store indexes in DB
}
if (storageThread.NumRecoverStructs() > 0)
{
RecoverResult rs = storageThread.DequeueRecoverResult();
lock (recoverResults)
{
recoverResults.Enqueue(rs);
}
}
}