public void AddGroup(string group)
{
SpreadGroup spreadGroup = new SpreadGroup(null, group);
AddGroup(spreadGroup);
}
// Puts a group name into an array of bytes.
////////////////////////////////////////////
private static void toBytes(SpreadGroup group, byte[] buffer, int bufferIndex)
{
// Get the group's name.
////////////////////////
byte[] name;
try
{
name = System.Text.Encoding.ASCII.GetBytes(group.ToString());
}
catch (Exception e)
{
// Already checked for this exception in connect.
/////////////////////////////////////////////////
name = new byte[0];
Console.WriteLine(e);
}
// Put a cap on the length.
///////////////////////////
int len = name.Length;
if (len > MAX_GROUP_NAME)
len = MAX_GROUP_NAME;
// Copy the name into the buffer.
/////////////////////////////////
System.Array.Copy(name, 0, buffer, bufferIndex, len);
for (; len < MAX_GROUP_NAME; len++)
buffer[bufferIndex + len] = 0;
}
public void AddGroup(SpreadGroup group)
{
groups.Add(group);
}
// 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;
}
}
}
// Get the private group name.
//////////////////////////////
private void ReadGroup()
{
// Read the length.
///////////////////
int len;
try
{
len = stream.ReadByte();
}
catch (Exception e)
{
throw new SpreadException("read(): " + e);
}
// Check for no more data.
//////////////////////////
if (len == -1)
{
throw new SpreadException("Connection closed during connect attempt");
}
// Read the name.
/////////////////
byte[] buffer = new byte[len];
int numRead;
try
{
numRead = stream.Read(buffer, 0, buffer.Length);
}
catch (Exception e)
{
throw new SpreadException("read(): " + e);
}
// Check for not enough data.
/////////////////////////////
if (numRead != len)
{
throw new SpreadException("Connection closed during connect attempt");
}
// Store the group.
///////////////////
group = new SpreadGroup(this, System.Text.Encoding.ASCII.GetString(buffer, 0, buffer.Length));
}
private void button5_Click(object sender, EventArgs e)
{
SpreadGroup grp = new SpreadGroup(connection, comboBox1.Text);
if (grp != null)
{
try
{
grp.Leave();
richTextBox1.AppendText("Left " + grp + ".");
}
catch (SpreadException se)
{
richTextBox1.AppendText("Not joined to this Group\n");
}
}
else
{
richTextBox1.AppendText("No group to leave.");
}
}
private void button2_Click(object sender, EventArgs e)
{
try
{
group = new SpreadGroup();
string grp = comboBox1.Text;
group.Join(connection, grp);
richTextBox1.AppendText("Joined " + group + "." + "\n");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
