public User(String user, String address, int port)
{
handler = new SpreadConnection.MessageHandler( messageReceived );
// Establish the spread connection.
///////////////////////////////////
try {
connection = new SpreadConnection();
connection.Connect(address, port, user, false, true);
}
catch(SpreadException e) {
Console.Error.WriteLine("There was an error connecting to the daemon.");
Console.WriteLine(e);
Environment.Exit(1);
}
catch(Exception e) {
Console.Error.WriteLine("Can't find the daemon " + address);
Console.WriteLine(e);
Environment.Exit(1);
}
rt = new recThread( connection );
Thread rtt = new Thread(new ThreadStart(rt.run));
rtt.Start();
// Show the menu.
/////////////////
PrintMenu();
// Get a user command.
//////////////////////
while(true) {
UserCommand();
}
}
// Constructor.
///////////////
internal MembershipInfo(SpreadConnection connection,SpreadMessage message, bool daemonEndianMismatch)
{
// Set local variables.
///////////////////////
this.serviceType = message.ServiceType;
this.group = message.Sender;
this.members = message.Groups;
// Is this a regular membership message.
////////////////////////////////////////
if(IsRegularMembership) {
// Extract the groupID.
///////////////////////
int dataIndex = 0;
int[] id = new int[3];
id[0] = SpreadConnection.toInt(message.Data, dataIndex);
dataIndex += 4;
id[1] = SpreadConnection.toInt(message.Data, dataIndex);
dataIndex += 4;
id[2] = SpreadConnection.toInt(message.Data, dataIndex);
dataIndex += 4;
// Endian-flip?
///////////////
if(daemonEndianMismatch) {
id[0] = SpreadConnection.flip(id[0]);
id[1] = SpreadConnection.flip(id[1]);
id[2] = SpreadConnection.flip(id[2]);
}
// Create the group ID.
///////////////////////
this.groupID = new GroupID(id[0], id[1], id[2]);
// Get the number of groups.
////////////////////////////
int numGroups = SpreadConnection.toInt(message.Data, dataIndex);
if(daemonEndianMismatch) {
numGroups = SpreadConnection.flip(numGroups);
}
dataIndex += 4;
// Get the groups.
//////////////////
this.groups = new SpreadGroup[numGroups];
for(int i = 0 ; i < numGroups ; i++) {
this.groups[i] = connection.toGroup(message.Data, dataIndex);
dataIndex += SpreadConnection.MAX_GROUP_NAME;
}
}
}
public void Leave()
{
// Check if we can leave.
/////////////////////////
if(connection == null) {
throw new SpreadException("No group to leave.");
}
// Get a new message.
/////////////////////
SpreadMessage leaveMessage = new SpreadMessage();
// Set the group we're sending to.
//////////////////////////////////
leaveMessage.AddGroup(name);
// Set the service type.
////////////////////////
leaveMessage.ServiceType = SpreadMessage.LEAVE_MESS;
// Send the message.
////////////////////
connection.Multicast(leaveMessage);
// No longer connected.
///////////////////////
connection = null;
}
public void Join(SpreadConnection c, string groupName)
{
// Check if this group has already been joined.
///////////////////////////////////////////////
if(this.connection != null) {
throw new SpreadException("Already joined.");
}
// Set member variables.
////////////////////////
this.connection = c;
this.name = groupName;
// Error check the name.
////////////////////////
byte[] bytes;
try {
bytes = System.Text.Encoding.ASCII.GetBytes(name);
}
catch(Exception e) {
throw new SpreadException("Encoding not supported: "+e);
}
for(int i = 0 ; i < bytes.Length ; i++) {
// Make sure the byte (character) is within the valid range.
////////////////////////////////////////////////////////////
if((bytes[i] < 36) || (bytes[i] > 126)) {
throw new SpreadException("Illegal character in group name.");
}
}
// Get a new message.
/////////////////////
SpreadMessage joinMessage = new SpreadMessage();
// Set the group we're sending to.
//////////////////////////////////
joinMessage.AddGroup(name);
// Set the service type.
////////////////////////
joinMessage.ServiceType = SpreadMessage.JOIN_MESS;
// Send the message.
////////////////////
connection.Multicast(joinMessage);
}
// Package constructor.
///////////////////////
internal SpreadGroup(SpreadConnection connection, String name)
{
// Store member variables.
//////////////////////////
this.connection = connection;
this.name = name;
}
public SpreadGroup()
{
// There is no connection yet.
//////////////////////////////
connection = null;
// There is no name.
////////////////////
name = null;
}
public recThread(SpreadConnection aConn)
{
connection=aConn;
}
public Flooder(String user, int numMessages, int numBytes, String address, int port, bool readOnly, bool writeOnly) {
try {
// Start timer.
///////////////
DateTime startTime = DateTime.Now;
// Connect.
///////////
SpreadConnection connection = new SpreadConnection();
connection.Connect(address, port, user, false, false);
string privateName = connection.PrivateGroup.ToString();
// Join.
////////
SpreadGroup group = new SpreadGroup();
if(readOnly) {
Console.WriteLine("Only receiving messages");
group.Join(connection, "flooder");
}
else if(writeOnly) {
Console.WriteLine("Starting multicast of " + numMessages + " messages, " + numBytes + " bytes each (self discarding).");
}
else {
group.Join(connection, "flooder");
Console.WriteLine("Starting multicast of " + numMessages + " messages, " + numBytes + " bytes each.");
}
// The outgoing message.
////////////////////////
SpreadMessage mout = null;
if(readOnly == false) {
mout = new SpreadMessage();
mout.IsSafe = true;
mout.Data = new byte[numBytes];
mout.AddGroup("flooder");
}
// Send/Receive.
////////////////
for(int i = 1 ; i <= numMessages ; i++) {
// Send.
////////
if(readOnly == false) {
connection.Multicast(mout);
}
// Receive.
///////////
if((readOnly) || ((i > 50) && (writeOnly == false))) {
SpreadMessage min;
do {
min = connection.Receive();
}
while((readOnly == false) && (privateName.Equals(min.Sender.ToString()) == false));
}
// Report.
//////////
if((i % 1000) == 0) {
Console.WriteLine("Completed " + i + " messages");
}
}
// Stop timer.
//////////////
DateTime stopTime = DateTime.Now;
TimeSpan time = stopTime.Subtract(startTime);
double Mbps = numBytes;
Mbps *= numMessages;
Mbps *= 8;
if((readOnly == false) && (writeOnly == false))
Mbps *= 2;
Mbps *= 1000;
Mbps /= time.TotalMilliseconds;
Mbps /= (1024 * 1024);
Console.WriteLine("Time: " + time + "ms (" + (int)Mbps + "." + (((int)(Mbps * 100)) % 100) + " Mbps)");
}
catch(Exception e) {
Console.WriteLine(e);
}
}
