int main( int argc, char *argv[] ) {
if ( (argc-1) % 2 != 0 ) {
println("Malformed flags.");
return EXIT_FAILURE;
} else { // overwrite defaults
int i;
char flag[ SMALL_BUFFER ];
for ( i = 1; i < argc; i++ ) {
strcpy( flag, argv[ i ] );
if ( strEqual(flag, "-s") )
service_time = atoi( argv[ ++i ] );
else if ( strEqual(flag, "-b") )
break_time = atoi( argv[ ++i ] );
else if ( strEqual(flag, "-h") )
shared_id = atoi( argv[ ++i ] );
}
}
shared = attachSharedMem( shared_id );
initSems();
int i = 0;
do {
p_sem_wait( &shared->client_present );
if ( !clientsPresent() ) {
println( "No clients present. Cashier taking break." );
sleep( break_time );
} else {
signalClient();
serviceClient();
}
i++;
} while ( i < MAX_NUM_CLIENTS );
log( "A cashier detaching from shared memory." );
detachSharedMem( shared );
return 0;
}
//void ioworker(int *client, int sockfd, int nready, int maxi, fd_set rset, fd_set allset) {
void* ioworker(void *newClient) {
size_t i = 0;
Sel_Struct *data;
ClientData *thisClient = (ClientData *)newClient;
int *client = thisClient->client;
int sockfd = thisClient->sockfd;
int nready = thisClient->nready;
int maxi = thisClient->maxi;
fd_set rset = thisClient->rset;
fd_set allset = thisClient->allset;
char* clientAddr = thisClient->ipAddr;
int clientPort = thisClient->port;
for (i = 0; i <= maxi; i++) {
if ((sockfd = client[i]) < 0) continue;
if (FD_ISSET(sockfd, &rset)) {
data = malloc(sizeof(Sel_Struct));
data->client = client;
data->sockfd = sockfd;
data->i = i;
data->allset = allset;
data->ipAddr = clientAddr;
data->port = clientPort;
data->numOfRequests = 0;
data->numOfBytesRecv = 0;
serviceClient((void *)data);
if (--nready <= 0) break;
}
}
return NULL;
}