int main()
{
// TEST PACKET TYPES
// TRN
char *testData = "hello world!";
Packet trn;
trn.isAck = false;
trn.isFin = false;
trn.seq = 118;
trn.data = (uint8_t*)testData;
trn.length = 13;
// Don't need to free 'trn' packet because the data wasn't malloc'd
// However, usually will need to free it
pretendSend(&trn);
// ACK
Packet ack = makeAck(118);
pretendSend(&ack);
freePacket(&ack);
// FIN
Packet fin = makeFin();
pretendSend(&fin);
freePacket(&fin);
// FINACK
Packet finAck = makeFinAck();
pretendSend(&finAck);
freePacket(&finAck);
}
void Lieutenant::mainLoop(){
fd_set fdset;
int timetic = -1;
int timeticround = 40;
while (round <= f+1) { /*need to continue to next round f*/
//cout << "Iterate" << endl;
struct timeval timeout={1,0};
FD_ZERO(&fdset);
FD_SET(msg.sockfd, &fdset);
select(msg.sockfd+1, &fdset, NULL, NULL, &timeout);
if (FD_ISSET(msg.sockfd, &fdset)) {
// cout << "receive message" << endl;
void *p = NULL;
int type = msg.recvMessage(p);
/*insert the messages received in this round(discard messages not for this round),
must be a way to sort the messages */
/*Send ACK*/
if(type == BYZANTINE){
ByzantineMessage* rc_byzmsg = (ByzantineMessage*)p;
cout << rc_byzmsg->round << "my round is " << round << endl;
if(rc_byzmsg->round == round){
int nu_ids = (rc_byzmsg->size - sizeof(ByzantineMessage)) / sizeof(uint32_t);
cout << "received a byzantine msg in main loop from " << rc_byzmsg->ids[nu_ids - 1] <<endl;
//cout << "received a byzantine msg in main loop from " << byznode->ids[byznode->nu_ids-1] <<endl;
if(!set.ContainV(rc_byzmsg)){
ByztMsgNode* byznode = set.Addv(rc_byzmsg);
cout << "set is: "<< endl;
set.printV();
}
makeAck(rc_byzmsg->round);
cout << "preparing send ack" << endl;
//cout << "num of ids " << byznode->nu_ids << endl;
//cout << "receiving from node "<< << endl;
msg.sendMessage(ACK, (void*)ack, rc_byzmsg->ids[nu_ids-1]);
cout << "ack sent" << endl;
// can compare the ip to see if are equal
}
}
else if(type == ACK){
Ack* rc_ack = (Ack*)p;
//int round = ntohl(rc_ack->round);
cout << "received a ack in main loop in " << round << " round" << endl;
if(rc_ack->size == sizeof(Ack) && rc_ack->round == round){
//set_bymsg(round);
/*tell send this one has be received*/
cout << "the received ip is "<< msg.s << endl;
// to do int recvid = retid(msg.s);
// cout <<
int recvid = msg.getidbyIp(msg.s);
if(recvid == -1){ cout << "id error \n" << endl; }
ByztMsgNode * byztnode = set.Getv();
for(int i = 0; i < byztnode->needsendcount; ++i){
if(recvid == byztnode->sendlist[i].id){
byztnode->sendlist[i].issent = true;
break;
}
}
}
}
else{
cout << "receiving error"<< endl;
}
}
timetic = (timetic + 1) % 3;
/*forword (to all others who should receive) messages in the last round received. if not contine*/
if(timetic == 0){
cout << "in round " << round << endl;
ByztMsgNode * byztnode = set.Getv();
if(byztnode && byztnode->round == round - 1){
cout << "in round " << round << " gonna send"<< endl;
int sendtally = 0;
for(int i = 0; i < byztnode->needsendcount; ++i){
if(byztnode->sendlist[i].issent == false){
sendtally++;
makeByzantineMessage(byztnode,round, myid);
msg.sendMessage(BYZANTINE, (void*)byzmsg, byztnode->sendlist[i].id);
cout << "byzmsg send to " << byztnode->sendlist[i].id << endl;
}
}
if(sendtally == 0 && timeticround < 0){
cout << "set tag to false" << endl;
byztnode->tag = false;
round++;
timetic = -1;
timeticround = 18;
continue;
}
}
}
timeticround--;
if(timeticround < 0){
ByztMsgNode *byztnode = set.Getv();
if(byztnode && byztnode->round != round){
cout << "set tag to false" << endl;
byztnode->tag = false;
}
round++;
timetic = -1;
timeticround = 18;
}
/*all messages in the last round had be succedly forwarded and
all messages should be received in this round has received enter next round*/
}
choise();
// cout << "final table is: "<< endl;
//printmsgtable();
//cout << "done in round " << round << endl;
}
