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#include <stdio.h>
#include <stdbool.h>
#include <getopt.h>
#include <stdlib.h>
#include "common.h"
#include "file.h"
#include "parse.h"
void print_usage(char *argv[]) {
printf("Usage: %s -n -f <database file>\n", argv[0]);
printf("\t -n - create new database file\n");
printf("\t -f - (required) path to database file\n");
return;
}
int main(int argc, char *argv[]) {
char *filepath = NULL;
char *portarg = NULL;
unsigned short port = 0;
bool newfile = false;
bool list = false;
char *addstring = NULL;
int c;
int dbfd = -1;
struct dbheader_t *dbhdr = NULL;
struct employee_t *employees = NULL;
while ((c = getopt(argc, argv, "nf:a:l")) != -1) {
switch (c) {
case 'n':
newfile = true;
break;
case 'f':
filepath = optarg;
break;
case 'p':
portarg = optarg;
break;
case 'a':
addstring = optarg;
break;
case 'l':
list = true;
break;
case '?':
printf("Unknown option -%c\n", c);
break;
default:
return -1;
}
}
if (filepath == NULL) {
printf("Filepath is a required argument\n");
print_usage(argv);
return 0;
}
if (newfile) {
dbfd = create_db_file(filepath);
if (dbfd == STATUS_ERROR) {
printf("Unable to create database file\n");
return -1;
}
if (create_db_header(dbfd, &dbhdr) == STATUS_ERROR) {
printf("Failed to create database header\n");
return -1;
}
} else {
dbfd = open_db_file(filepath);
if (dbfd == STATUS_ERROR) {
printf("Unable to open database file\n");
return -1;
}
if (validate_db_header(dbfd, &dbhdr) == STATUS_ERROR) {
printf("Failed to validate database header\n");
return -1;
}
}
if (read_employees(dbfd, dbhdr, &employees) != STATUS_SUCCESS) {
printf("Failed to read employees");
return 0;
}
if (addstring) {
dbhdr->count++;
employees = realloc(employees, dbhdr->count*(sizeof(struct employee_t)));
add_employee(dbhdr, employees, addstring);
}
if (list) {
list_employees(dbhdr, employees);
}
output_file(dbfd, dbhdr, employees);
return 0;
}
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