void pollresponse(const RonSwansons__pollresp_impl * pollresp) {
int client = pollresp->clientid;
if(pollresp->reqfork1 == 1) {
printf("pollresponse: received initial fork request from Ron %i.\n",client);
int fork = allocfork(0,FORKS-1);
if(fork < 0) {
printf("pollresponse: could not find initial fork for Ron %i.\n",client);
RonSwansons__fork_impl forkmsg;
forkmsg.forkid = -1;
givefork(client,&forkmsg);
return;
}
RonSwansons__fork_impl forkmsg;
forkmsg.forkid = fork;
givefork(client,&forkmsg);
} else if (pollresp->reqfork2 >= 0 && pollresp->reqfork2 < FORKS) {
printf("pollresponse: received second fork request from Ron %i for fork id greater than %i.\n",client,pollresp->reqfork2);
int fork = allocfork(pollresp->reqfork2,FORKS);
if(fork < 0) {
printf("pollresponse: could not find second fork for Ron %i.\n",client);
RonSwansons__fork_impl forkmsg;
forkmsg.forkid = -1;
givefork(client,&forkmsg);
return;
}
RonSwansons__fork_impl forkmsg;
forkmsg.forkid = fork;
givefork(client, &forkmsg);
} else {
printf("Bad poll response received on pollresponseport%i.\n",client);
}
}
void poll(const RonSwansons__fork_impl * fork_data) {
printf("Ron %i: I am taking action.\n",ID);
if(fork1<0) {
// Ron has no forks.
printf("Ron %i: I am requesting an initial fork.\n",ID);
RonSwansons__pollresp_impl pollresp;
pollresp.clientid = ID;
pollresp.reqfork1 = 1;
pollresp.reqfork2 = -1;
waiting++;
pollresponse(&pollresp);
} else if (fork2<0) {
// Ron has one fork.
printf("Ron %i: I am requesting a second fork with an id greater than %i.\n",ID,fork1);
RonSwansons__pollresp_impl pollresp;
pollresp.clientid = ID;
pollresp.reqfork1 = 0;
pollresp.reqfork2 = fork1;
waiting++;
pollresponse(&pollresp);
} else if (eatpolls>0) {
// Ron is eating
printf("Ron %i: Nom nom nom with forks %i and %i.\n",ID,fork1,fork2);
eatpolls--;
} else {
// Return forks.
printf("Ron %i: I am returning forks %i and %i.\n",ID,fork1,fork2);
RonSwansons__fork_impl fork1msg;
RonSwansons__fork_impl fork2msg;
fork1msg.clientid = ID;
fork1msg.forkid = fork1;
fork1 = -1;
fork2msg.clientid = ID;
fork2msg.forkid = fork2;
fork2 = -1;
bool f1 = givefork(&fork1msg);
if(!f1) {
printf("Ron %i: failed to return fork %i.\n",ID,fork1);
}
bool f2 = givefork(&fork2msg);
if(!f2) {
printf("Ron %i: failed to return fork %i.\n",ID,fork2);
}
}
}
