Packet* SimpleGen::generateMessage()
{
char name[20];
int src = getId();
int dest = 31337;
int priority = intrand(5) + 1;
int Payload = 1;
int ByteLength = intuniform(0, 1000);
int ds = intrand(2);
packetId += 1;
// Generate simple message name
sprintf(name, "msg-%d", packetId);
//Create new packet
Packet* packet = new Packet(name);
// Set properties
packet->setSessionID(sessionId);
packet->setPacketID(packetId);
packet->setSrc(src);
packet->setDst(dest);
packet->setSessionID(sessionId);
packet->setPacketID(packetId);
packet->setPriority(priority);
packet->setPayload(Payload);
packet->setByteLength(ByteLength);
packet->setDs(ds);
packet->setCreationTime(simTime().dbl());
return packet;
}
SimpleGen::SimpleGen()
{
// Create event message
event = new cMessage("event");
// Initialize...
sessionId = intuniform(100, 999);
packetId = 0;
}
TicTocMsg14*
Txc14::generateMessage()
{
// The "current" module index.
int src = getIndex();
// The module size.
int n = size();
int dest = intuniform(0, n-1);
char msgname[20];
sprintf(msgname, "tic-%d-to-%d", src, dest);
// Create message object and set source and destination field.
TicTocMsg14 *msg = new TicTocMsg14(msgname);
msg->setSource(src);
msg->setDestination(dest);
return msg;
}
void
Txc13::forwardMessage(cMessage *msg)
{
// check_and_cast from omnetpp.h perform a dynamic cast or raise an error
// during the simulation instead of crash.
TicTocMsg13 *ttmsg = check_and_cast<TicTocMsg13 *>(msg);
// Incrementing the hop count.
ttmsg->setHopCount(ttmsg->getHopCount() + 1);
// In this example, we just pick a random gate to send it on.
int n = gateSize("gate");
EV << "Forwarding message...\n" <<"..Gate size: " << n <<";\n";
// We draw a random number between 0 and n-1.
int k = intuniform(0, n-1);
EV << ".." <<msg <<" on gate[" <<k <<"].\n";
// $o and $i suffix is used to identify the input/output part of a two way gate.
send(ttmsg, "gate$o", k);
}
