//Allows the administrator to send a string message from one machine to another
//the message must be broken into packets
//if the node does not recognize the target (the target is not in the routing table)
//the method returns false
public bool SendMessage(string sMessage, int iMessageID, int iTarget)
{
if (!m_routers.ContainsKey(iTarget))
{
return(false);
}
MailBoxWriter target_router = m_dNeighbors[m_routers[iTarget]];
for (int i = 0; i < sMessage.Length; i++)
{
PacketMessage new_packet = new PacketMessage(ID, iTarget, iMessageID, sMessage[i], i, sMessage.Length);
target_router.Send(new_packet);
}
return(true);
}
//handles an incoming packet message
//the message can be directed to the current node or to another node, in which case it should be forwarded
private void HandlePacketMessage(PacketMessage pmsg)
{
if (pmsg.Target != ID)
{
m_dNeighbors[GetRouter(pmsg.Target)].Send(pmsg);
}
else
{
if (!m_messages.ContainsKey(pmsg.MessageID))
{
m_messages.Add(pmsg.MessageID, new char[pmsg.Size]);
for (int i = 0; i < pmsg.Size; i++)
{
m_messages[pmsg.MessageID][i] = '\0';
}
}
bool is_full = true;
string message = "";
m_messages[pmsg.MessageID][pmsg.Location] = pmsg.Packet;
foreach (char c in m_messages[pmsg.MessageID])
{
if (c.Equals('\0'))
{
is_full = false;
}
}
if (is_full)
{
foreach (char c in m_messages[pmsg.MessageID])
{
message = message + c;
}
Debug.WriteLine(message);
}
}
}
