private void threadStartFun(Socket soc, string req)
{
try
{
Program.ServerForm.addtoConsole("Service Poll Req Thread Started");
Server.Message.MessageParser serverPollPar = new Server.Message.MessageParser();
Server.MessageClasses.MsgPoll msgpollServer = serverPollPar.pollParseMsg(req);
CloudBlobClient blobClient = new Server.ConnectionManager.BlobConn().BlobConnect();
Blob blob = new Blob(blobClient, msgpollServer.userName);
GenerateSAS sas = new GenerateSAS();
string link = "";
if (msgpollServer.password == "requestVC")
{
link = sas.GetContainerSasUri(blob.container, "RWLD");
}
else
{
link = sas.GetContainerSasUri(blob.container, "RWLD");
}
// Server send response to Client
Server.Message.CreateMsg pollResp = new Server.Message.CreateMsg();
msgpollServer.fileContainerUri = link;
msgpollServer.fileBlobUri = "none";
string respMsg = pollResp.pollRespMsg("OK", msgpollServer);
//socket
SocketCommunication.ReaderWriter rw = new SocketCommunication.ReaderWriter();
// write to socket
rw.writetoSocket(soc, respMsg);
Program.ServerForm.addtoConsole("Wrote Response to socket");
}
catch (Exception e)
{
Program.ServerForm.addtoConsole("Exception: [Poll Req]"+ e.Message);
//System.Windows.Forms.MessageBox.Show(e.ToString());
}
finally
{
Program.ServerForm.addtoConsole("Exiting");
Thread.CurrentThread.Abort();
}
}
private void threadStartFun(Socket soc, string req)
{
try
{
Program.ServerForm.addtoConsole("Service Upload thread Started");
//System.Windows.Forms.MessageBox.Show("uploader started:" + req, "Server");
//get the msg parse it
Server.Message.MessageParser parse = new Server.Message.MessageParser();
MessageClasses.MsgUpload upload = parse.uploadParseMsg(req);
//5 Server check the file info in the blob storage, if file has not existed, let the client to create the file
// If file existed, check timestamp, hashvalue to see if client can upload
// If allow upload, change hashvalue and timestamp in the blob storage
CloudBlobClient blobClient = new Server.ConnectionManager.BlobConn().BlobConnect();
string currentFileInfo = "";
if (upload.addInfo == "create" || upload.addInfo == "change" || upload.addInfo == "signUpStart")
{
Program.ServerForm.addtoConsole("Event to trigger the request:" + upload.addInfo);
Blob blob = new Blob(blobClient, upload.userName, upload.filePathInSynFolder, upload.fileHashValue, upload.fileTimeStamps);
//6 Server Generate sas container/blob for the client. For basic upload, this case just generate container sas
//Server.ConnectionManager.BlobConn conn = new Server.ConnectionManager.BlobConn(1);
CloudBlobContainer container = blob.container;
string containerSAS = new Server.ConnectionManager.GenerateSAS().GetContainerSasUri(container, "RWLD");
Console.WriteLine("container sas uri: {0}", containerSAS);
Program.ServerForm.addtoConsole("SAS uri created");
//7 send upload msg back to client
Server.Message.CreateMsg resp = new Server.Message.CreateMsg();
currentFileInfo = upload.addInfo;
// when event type is change
// get current file info of the blob
CloudBlockBlob currBlob = container.GetBlockBlobReference(upload.filePathInSynFolder);
// when event type is change
// otherwise do nothing
if (currBlob.Exists())
{
currBlob.FetchAttributes();
string currHashValue = currBlob.Metadata["hashValue"];
//DateTime currTimestamp = DateTime.ParseExact(currBlob.Metadata["timestamp"], "MM/dd/yyyy HH:mm:ss",
// null); ;
//currTimestamp.ToString();
string currTimestamp = currBlob.Metadata["timestamp"];
currentFileInfo = currHashValue + "|||" + currTimestamp + "|||" + "change";
//blob.indicator = "OK";
}
//string respMsg = resp.uploadRespMsg(upload.filePathInSynFolder, containerSAS, null, upload.addInfo);
string respMsg = resp.uploadRespMsg(blob.indicator, upload.filePathInSynFolder, containerSAS, " ", currentFileInfo);
SocketCommunication.ReaderWriter rw = new SocketCommunication.ReaderWriter();
// write to socket
rw.writetoSocket(soc, respMsg);
//System.Windows.Forms.MessageBox.Show("uploader write:" + respMsg, "Server");
Program.ServerForm.addtoConsole("Wrote response to scoket");
}
if (upload.addInfo == "delete")
{
// get container
CloudBlobContainer container = blobClient.GetContainerReference(upload.userName);
CloudBlockBlob delBlob = container.GetBlockBlobReference(upload.filePathInSynFolder);
// change value of delete in metadata to true
//container.Metadata["Deleted"] = "true";
if (delBlob.Exists())
{
// get to be deleted blob's info
delBlob.FetchAttributes();
string delHashValue = delBlob.Metadata["hashValue"];
//delHashValue =delHashValue.Replace("-", "/");
//DateTime delTimestamp = DateTime.ParseExact(delBlob.Metadata["timestamp"], "MM/dd/yyyy HH:mm:ss", null);
DateTime delTimestamp = DateTime.Parse(delBlob.Metadata["timestamp"]);
// only delete it when client's version is newer
// otherwise client's file is stale, don't delete server's blob
// b/c when simultaneous editing, client chooses to delete local copy
// it'll delete the server copy too!
if (DateTime.Compare(upload.fileTimeStamps, delTimestamp) >= 0)
{
//*** <<disabling deletion>>
UploadFunctions.DeleteFile del = new UploadFunctions.DeleteFile();
del.deleteAll(container, upload.filePathInSynFolder);
Program.ServerForm.addtoConsole("Deleted");
//***/
}
}
}
if (upload.addInfo.IndexOf("rename") == 0)
{
// get container
CloudBlobContainer container = blobClient.GetContainerReference(upload.userName);
// get new path in the server
string[] separators = { "|||" };
string[] str = upload.addInfo.Split(separators, StringSplitOptions.RemoveEmptyEntries);
string newPath = str[1];
//grab the blob
CloudBlockBlob existBlob = container.GetBlockBlobReference(upload.filePathInSynFolder);
// create a new blob
CloudBlockBlob newBlob = container.GetBlockBlobReference(newPath);
//copy from the old blob
newBlob.StartCopyFromBlob(existBlob);
Program.ServerForm.addtoConsole("Created new blob");
newBlob.Metadata["hashValue"] = upload.fileHashValue;
newBlob.Metadata["timestamp"] = upload.fileTimeStamps.ToString("MM/dd/yyyy HH:mm:ss");
newBlob.Metadata["filePath"] = newPath;
newBlob.SetMetadata();
newBlob.CreateSnapshot();
//delete the old blob
existBlob.Delete(DeleteSnapshotsOption.IncludeSnapshots);
Program.ServerForm.addtoConsole("Deleted old blob");
}
}
catch (Exception e)
{
Program.ServerForm.addtoConsole("Exception [UploadReq]:"+ e.Message);
//System.Windows.Forms.MessageBox.Show(e.ToString());
//System.IO.File.WriteAllText("bug.txt", e.ToString());
}
finally
{
Program.ServerForm.addtoConsole("Exiting");
Thread.CurrentThread.Abort();
}
}
public void interPollTest()
{
// 1. Client create and send poll msg to Server
Client.Message.CreateMsg pollM = new Client.Message.CreateMsg();
Client.MessageClasses.MsgPoll msgpoll = new Client.MessageClasses.MsgPoll();
msgpoll.userName = "******";
msgpoll.password = "******";
string pollCtoS = pollM.pollMsg(msgpoll);
Console.WriteLine("msg from client to server: " + pollCtoS);
// 2. Server parse msg and create sas uri
Server.Message.MessageParser serverPollPar = new Server.Message.MessageParser();
Server.MessageClasses.MsgPoll msgpollServer = serverPollPar.pollParseMsg(pollCtoS);
string resp = "";
try
{
CloudBlobClient blobClient = new Server.ConnectionManager.BlobConn().BlobConnect();
Blob blob = new Blob(blobClient, msgpollServer.userName);
GenerateSAS sas = new GenerateSAS();
string link = sas.GetContainerSasUri(blob.container, "RL");
// 3. Server send response to Client
Server.Message.CreateMsg pollResp = new Server.Message.CreateMsg();
msgpollServer.fileContainerUri = link;
msgpollServer.fileBlobUri = "none";
resp = pollResp.pollRespMsg("OK", msgpollServer);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
//4. Client parse and poll
Client.Message.MessageParser pollGetClient = new Client.Message.MessageParser();
msgpoll = pollGetClient.pollParseMsg(resp);
new Client.PollFunction.Poll(msgpoll.fileContainerUri);
}
