int main(int argc, char *argv[]) {
if (pthread_mutex_init(&sending_lock, NULL ) != 0) {
printf("Fail to initialize sending_lock.\n");
exit(1);
}
const char *conf_file = DEFAULT_CONF_FILE;
if (argc >= 3 && strcmp(argv[1], "-c") == 0) {
conf_file = argv[2];
}
Node *conf = read_conf_file(conf_file);
if (conf == NULL ) {
printf("Fail to read conf file %s\n", conf_file);
exit(1);
}
BankConfig config = get_bank_config(conf);
if (gen_pid_file(config.bank_pid_file) != 0) {
printf("Fail to generate pid file.\n");
exit(1);
}
if (log_init(config.logging_error_log, config.logging_log_level) != 1) {
printf("Fail to initialize logger.\n");
exit(1);
}
run_bank(config);
return 0;
}
int main (int argc, char *argv[]) {
if (argc != 2) {
printf("usage: %s trace_file\n", argv[0]);
exit(1);
}
int result = 0;
int atm_count = 0;
int account_count = 0;
// open the trace file
result = trace_open(argv[1]);
if (result == -1) {
printf("%s: could not open file %s\n", argv[0], argv[1]);
exit (1);
}
// Get the number of ATMs and accounts:
atm_count = trace_atm_count();
account_count = trace_account_count();
trace_close();
// Setup bank pipes:
int bankfd[2];
pipe(bankfd);
// This is a table of atm_out file descriptors. It will be used by
// the bank process to communicate to each of the ATM processes.
int atm_out_fd[atm_count];
// TODO: ATM PROCESS FORKING
// START YOUR IMPLEMENTATION
for(int i =0; i < atm_count; i++){
int atmfd[2];
pipe(atmfd);
atm_out_fd[i] =atmfd[1];
if(fork()== 0){
close(atmfd[1]);
close(bankfd[0]);
int result = atm_run(argv[1],bankfd[1],atmfd[0],i);
if(result != SUCCESS){
error_print();
}
else{
close(atmfd[0]);
}
exit(0);
}
}
// END YOUR IMPLEMENTATION
// TODO: BANK PROCESS FORKING
// START YOUR IMPLEMENTATION
//pid_t pid2 = fork();
if(fork() == 0){
close(bankfd[1]);
bank_open(atm_count,account_count);
int result =run_bank(bankfd[0],atm_out_fd);
if(result != SUCCESS){
error_print();
}
bank_dump();
bank_close();
exit(0);
}
// END YOUR IMPLEMENTATION
// Wait for each of the child processes to complete. We include
// atm_count to include the bank process (i.e., this is not a
// fence post error!)
for (int i = 0; i <= atm_count; i++) {
wait(NULL);
}
return 0;
}
