public ServerClientMsg ServerCreateRly(ServerClientMsg ReceivedMsgObject)
{
var MsgObjectToReturn = new ServerClientMsg();
switch (ReceivedMsgObject.Command)
{
// If we received a Register Files message from the client
case (int)ServerClientMsg.Commands.RegisterRq:
List <bool> SuccessList = new List <bool>();
// Looping through all the messages and add it to the dictionary if possible
for (int i = 0; i < ReceivedMsgObject.Files.Count; i++)
{
if (!ServerDict.ContainsKey(ReceivedMsgObject.Files[i]))
{
ServerDataObject Sdo = new ServerDataObject();
// Store each success and failure in a list for a message back to the client
SuccessList.Add(Sdo.AddEndPoint(ReceivedMsgObject.ClientIP, ReceivedMsgObject.ClientPort));
Sdo.Length = ReceivedMsgObject.FilesLength[i];
ServerDict.Add(ReceivedMsgObject.Files[i], Sdo);
Console.WriteLine("Server: Added file: {0} to the server dict for client: {1} , {2}", ReceivedMsgObject.Files[i],
ReceivedMsgObject.ClientIP, ReceivedMsgObject.ClientPort);
}
else
{
bool successflag = true;
foreach (var pair in ServerDict)
{
if (pair.Key == ReceivedMsgObject.Files[i])
{
ServerDataObject ServObj = pair.Value;
for (int k = 0; k < ServObj.Addresses.Count; k++)
{
if (ServObj.Ports[k] == ReceivedMsgObject.ClientPort)
{
if (ServObj.Addresses[k] == ReceivedMsgObject.ClientIP)
{
Console.WriteLine("Server: Reject file {0} reg for client: {1} , {2}", ReceivedMsgObject.Files[i],
ReceivedMsgObject.ClientIP, ReceivedMsgObject.ClientPort);
successflag = false;
}
}
}
if (successflag == true)
{
Console.WriteLine("Server: Added client {0} , {1} to server dict",
ReceivedMsgObject.ClientIP, ReceivedMsgObject.ClientPort, ReceivedMsgObject.Files[i]);
ServObj.AddEndPoint(ReceivedMsgObject.ClientIP, ReceivedMsgObject.ClientPort);
}
break;
}
}
SuccessList.Add(successflag);
}
}
// Compile the return message for the client
MsgObjectToReturn.RegisterRly(SuccessList);
break;
// If we received a file list request from the client
case (int)ServerClientMsg.Commands.FileListRq:
// For a fileName list and a file size list
List <string> fileName = new List <string>();
List <long> fileSize = new List <long>();
foreach (var pair in ServerDict)
{
bool HasFileAlready = false;
ServerDataObject ServObj = pair.Value;
for (int k = 0; k < ServObj.Addresses.Count; k++)
{
if (ServObj.Ports[k] == ReceivedMsgObject.ClientPort)
{
if (ServObj.Addresses[k] == ReceivedMsgObject.ClientIP)
{
Console.WriteLine("Server: client {0} , {1} already has the file {2}", ReceivedMsgObject.ClientIP,
ReceivedMsgObject.ClientPort, pair.Key);
HasFileAlready = true;
break;
}
}
}
if (HasFileAlready == false)
{
fileName.Add(pair.Key);
ServerDataObject obj = pair.Value;
fileSize.Add(obj.Length);
}
}
MsgObjectToReturn.FileListRly(fileName, fileSize);
break;
// If we received a file location request from the client
case (int)ServerClientMsg.Commands.FileLocRq:
// For a fileName list and a file size list
List <string> addresses = new List <string>();
List <int> ports = new List <int>();
long length = 0;
foreach (var pair in ServerDict)
{
if (pair.Key == ReceivedMsgObject.NameOfFile)
{
ServerDataObject SObj = pair.Value;
addresses = SObj.Addresses;
ports = SObj.Ports;
length = SObj.Length;
}
}
MsgObjectToReturn.FileLocRly(length, addresses, ports);
break;
// On leave request, the server need to remove all files that has the client's ip address.
// if the client is the last address that is associated with that file, then the server needs to remove the file
case (int)ServerClientMsg.Commands.LeaveRq:
List <string> FilestoRemove = new List <string>();
foreach (var pair in ServerDict)
{
List <int> indexToRemove = new List <int>();
ServerDataObject objOfFile = pair.Value;
for (int i = 0; i < objOfFile.Addresses.Count; i++)
{
if (objOfFile.Addresses[i] == ReceivedMsgObject.ClientIP)
{
if (objOfFile.Ports[i] == ReceivedMsgObject.ClientPort)
{
indexToRemove.Add(i);
}
}
}
// This allows the removal process to be skipped if the client doesn't have this file
if (indexToRemove.Any())
{
foreach (var index in indexToRemove)
{
objOfFile.Addresses.RemoveAt(index);
objOfFile.Ports.RemoveAt(index);
}
if (!objOfFile.Addresses.Any())
{
FilestoRemove.Add(pair.Key);
}
}
}
// Now the server has to remove all the files that doesn't have any clients on it
if (FilestoRemove.Any())
{
foreach (var key in FilestoRemove)
{
ServerDict.Remove(key);
}
}
MsgObjectToReturn.LeaveRly();
break;
case (int)ServerClientMsg.Commands.DataRly:
Console.WriteLine("Requesting Data from server instead of client");
break;
default:
break;
}
return(MsgObjectToReturn);
}
public ServerClientMsg ServerCreateRly(ServerClientMsg ReceivedMsgObject)
{
var MsgObjectToReturn = new ServerClientMsg();
switch (ReceivedMsgObject.Command)
{
// If we received a Register Files message from the client
case (int)ServerClientMsg.Commands.RegisterRq:
List<bool> SuccessList = new List<bool>();
// Looping through all the messages and add it to the dictionary if possible
for (int i = 0; i < ReceivedMsgObject.Files.Count; i++)
{
if (!ServerDict.ContainsKey(ReceivedMsgObject.Files[i]))
{
ServerDataObject Sdo = new ServerDataObject();
// Store each success and failure in a list for a message back to the client
SuccessList.Add(Sdo.AddEndPoint(ReceivedMsgObject.ClientIP, ReceivedMsgObject.ClientPort));
Sdo.Length = ReceivedMsgObject.FilesLength[i];
ServerDict.Add(ReceivedMsgObject.Files[i], Sdo);
}
else
{
bool successflag = false;
foreach (var pair in ServerDict)
{
if (pair.Key == ReceivedMsgObject.Files[i])
{
ServerDataObject ServObj = pair.Value;
for (int k =0; k < ServObj.Addresses.Count; k++)
{
if (ServObj.Ports[k] == ReceivedMsgObject.ClientPort)
{
if (ServObj.Addresses[k] == ReceivedMsgObject.ClientIP)
successflag = false;
}
else
{
ServObj.AddEndPoint(ReceivedMsgObject.ClientIP, ReceivedMsgObject.ClientPort);
successflag = true;
}
}
}
}
SuccessList.Add(successflag);
}
}
// Compile the return message for the client
MsgObjectToReturn.RegisterRly(SuccessList);
break;
// If we received a file list request from the client
case (int)ServerClientMsg.Commands.FileListRq:
// For a fileName list and a file size list
List<string> fileName = new List<string>();
List<int> fileSize = new List<int>();
foreach (var pair in ServerDict)
{
fileName.Add(pair.Key);
ServerDataObject obj = pair.Value;
fileSize.Add(obj.Length);
}
MsgObjectToReturn.FileListRly(fileName, fileSize);
break;
// If we received a file location request from the client
case (int)ServerClientMsg.Commands.FileLocRq:
// For a fileName list and a file size list
List<string> addresses = new List<string>();
List<int> ports = new List<int>();
int length = 0;
foreach (var pair in ServerDict)
{
if (pair.Key == ReceivedMsgObject.NameOfFile)
{
ServerDataObject SObj = pair.Value;
addresses = SObj.Addresses;
ports = SObj.Ports;
length = SObj.Length;
}
}
MsgObjectToReturn.FileLocRly(length, addresses, ports);
break;
// On leave request, the server need to remove all files that has the client's ip address.
// if the client is the last address that is associated with that file, then the server needs to remove the file
case (int)ServerClientMsg.Commands.LeaveRq:
List<string> FilestoRemove = new List<string>();
foreach (var pair in ServerDict)
{
List<int> indexToRemove = new List<int>();
ServerDataObject objOfFile = pair.Value;
for (int i = 0; i < objOfFile.Addresses.Count; i++)
{
if (objOfFile.Addresses[i] == ReceivedMsgObject.ClientIP)
{
if (objOfFile.Ports[i] == ReceivedMsgObject.ClientPort)
indexToRemove.Add(i);
}
}
// This allows the removal process to be skipped if the client doesn't have this file
if (indexToRemove.Any())
{
foreach (var index in indexToRemove)
{
objOfFile.Addresses.RemoveAt(index);
objOfFile.Ports.RemoveAt(index);
}
if (!objOfFile.Addresses.Any())
{
FilestoRemove.Add(pair.Key);
}
}
}
// Now the server has to remove all the files that doesn't have any clients on it
if (FilestoRemove.Any())
{
foreach (var key in FilestoRemove)
{
ServerDict.Remove(key);
}
}
MsgObjectToReturn.LeaveRly();
break;
case (int)ServerClientMsg.Commands.DataRly:
Console.WriteLine("Requesting Data from server instead of client");
break;
default:
break;
}
return MsgObjectToReturn;
}