protected override async Task Handle(CDNMessage msg)
{
try
{
String content = "";
switch (msg.id)
{
case CDNMessage.MSGID.TEST:
{
}
break;
case CDNMessage.MSGID.SHOW:
{
localRoot.Scan();
content = Serializer<DirectoryNode>.Serialize<SoapFormatter>(localRoot);
}
break;
case CDNMessage.MSGID.DOWNLOAD:
{
FileNode node = Serializer<FileNode>.Deserialize<SoapFormatter>(msg.content);
FileNode localNode = localRoot.Find(node.Text) as FileNode;
if (localNode != null)
{
using (FileStream fs = File.OpenRead(localNode.info.FullName))
{
using (StreamReader sr = new StreamReader(fs))
{
msg.content = localNode.info.Name + "|||" + sr.ReadToEnd();
Send(new IPEndPoint(IPAddress.Parse(msg.From().address), msg.From().port), msg);
}
}
}
else
{
Console.WriteLine("No such file!");
}
using (FileStream fs = File.OpenRead(node.info.FullName))
{
using (StreamReader sr = new StreamReader(fs))
{
content = node.info.Name + "|||";
content += sr.ReadToEnd();
}
}
}
break;
default:
break;
}
CDNMessage newMsg = msg.Clone() as CDNMessage;
newMsg.Fill(msg.id, content);
Send(new IPEndPoint(IPAddress.Parse(msg.From().address), msg.From().port), newMsg);
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
protected override async Task Handle(CDNMessage msg)
{
try
{
switch (msg.id)
{
case CDNMessage.MSGID.TEST:
{
MessageBox.Show("Successfully connected!");
}
break;
case CDNMessage.MSGID.SHOW:
{
remoteRoot = Serializer<DirectoryNode>.Deserialize<SoapFormatter>(msg.content);
TreeView v = (ui as CDNClientForm).serverTreeView;
v.Nodes.Clear();
v.Nodes.Add(remoteRoot);
}
break;
case CDNMessage.MSGID.DOWNLOAD:
{
String fileName = msg.content.Substring(0, msg.content.IndexOf("|||"));
String fileContent = msg.content.Substring(msg.content.IndexOf("|||") + 3);
using (FileStream fs = new FileStream(localRoot.info.FullName +"\\"+ fileName, FileMode.Create, FileAccess.Write))
{
using (StreamWriter sw = new StreamWriter(fs))
{
sw.Write(fileContent);
}
}
localRoot.Scan();
TreeView v = (ui as CDNClientForm).clientTreeView;
v.Nodes.Clear();
v.Nodes.Add(localRoot);
}
break;
default:
break;
}
}
catch(Exception e)
{
Console.WriteLine(e);
}
}
private void HandleClient(CDNMessage msg)
{
msg.to = CNDTYPE.SERVER;
switch (msg.id)
{
case CDNMessage.MSGID.TEST:
{
Send(new IPEndPoint(IPAddress.Parse(msg.From().address), msg.From().port), msg);
}
break;
case CDNMessage.MSGID.SHOW:
{
Send((ui as CDNCacheForm).remoteIpAddressControl.Value, msg);
}
break;
case CDNMessage.MSGID.DOWNLOAD:
{
FileNode node = Serializer<FileNode>.Deserialize<SoapFormatter>(msg.content);
(ui as CDNCacheForm).logListBox.Items.Add("User request: file " + node.info.Name + " at " + DateTime.Now);
FileNode localNode = localRoot.Find(node.Text) as FileNode;
if (localNode != null)
{
using (FileStream fs = File.OpenRead(localNode.info.FullName))
{
using (StreamReader sr = new StreamReader(fs))
{
msg.content = localNode.info.Name + "|||" + sr.ReadToEnd();
Send(new IPEndPoint(IPAddress.Parse(msg.From().address), msg.From().port), msg);
}
}
(ui as CDNCacheForm).logListBox.Items.Add("Response: cached file " + localNode.info.Name);
}
else
{
Send((ui as CDNCacheForm).remoteIpAddressControl.Value, msg);
(ui as CDNCacheForm).logListBox.Items.Add("Response: file " + node.info.Name + "downloaded from the server");
}
}
break;
default:
break;
}
}
protected override async Task Handle(CDNMessage msg)
{
try
{
//This message comes from the Server
if(msg.from == CNDTYPE.SERVER)
{
HandleServer(msg);
}
//This message comes from the Client
else if(msg.from == CNDTYPE.CLIENT)
{
HandleClient(msg);
}
else
{
throw new Exception("Wrong msg route!");
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
private void serverFile_DbClick(object sender, EventArgs e)
{
if(serverTreeView.SelectedNode is FileNode)
{
CDNMessage msg = new CDNMessage();
msg.Fill(CDNMessage.MSGID.DOWNLOAD,
Serializer<FileNode>.Serialize<SoapFormatter>(serverTreeView.SelectedNode as FileNode));
server.Send(remoteIpAddressControl.Value, msg);
}
}
private void refreshButton_Click(object sender, EventArgs e)
{
CDNMessage msg = new CDNMessage();
msg.Fill(CDNMessage.MSGID.SHOW);
server.Send(remoteIpAddressControl.Value, msg);
}
private void HandleServer(CDNMessage msg)
{
msg.to = CNDTYPE.CLIENT;
switch (msg.id)
{
case CDNMessage.MSGID.TEST:
{
MessageBox.Show("Successfully connected!");
}
break;
case CDNMessage.MSGID.SHOW:
{
Send(new IPEndPoint(IPAddress.Parse(msg.To().address), msg.To().port), msg);
}
break;
case CDNMessage.MSGID.DOWNLOAD:
{
String fileName = msg.content.Substring(0, msg.content.IndexOf("|||"));
String fileContent = msg.content.Substring(msg.content.IndexOf("|||") + 3);
using (FileStream fs = new FileStream(localRoot.info.FullName + "\\" + fileName, FileMode.Create, FileAccess.Write))
{
using (StreamWriter sw = new StreamWriter(fs))
{
sw.Write(fileContent);
}
}
localRoot.Scan();
TreeView v = (ui as CDNCacheForm).clientTreeView;
v.Nodes.Clear();
v.Nodes.Add(localRoot);
Send(new IPEndPoint(IPAddress.Parse(msg.To().address), msg.To().port), msg);
}
break;
default:
break;
}
}
