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/**
* NetNuke - Erases all storage media detected by the system
* Copyright (C) 2009-2010 Joseph Hunkeler <jhunkeler@gmail.com, jhunk@stsci.edu>
*
* This file is part of NetNuke.
*
* NetNuke is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* NetNuke is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with NetNuke. If not, see <http://www.gnu.org/licenses/>.
**/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <pthread.h>
#include <ncurses.h>
#include "netnuke.h"
WINDOW* main_window;
WINDOW* info_window;
pthread_mutex_t main_window_lock = PTHREAD_MUTEX_INITIALIZER;
WINDOW *create_window(int height, int width, int starty, int startx)
{
WINDOW *window;
window = newwin(height, width, starty, startx);
wborder(window, '+', '+', '+','+','+','+','+','+');
wrefresh(window);
return window;
}
void free_window(WINDOW* window)
{
wborder(window, ' ', ' ', ' ',' ',' ',' ',' ',' ');
wrefresh(window);
delwin(window);
}
void update_window(WINDOW* window)
{
wborder(window, '+', '+', '+','+','+','+','+','+');
wrefresh(window);
}
extern pthread_mutex_t lock_global;
extern pthread_mutex_t lock_write;
extern unsigned long long total_written_bytes;
extern unsigned int blksz_override;
extern int list_flag;
extern int ignore_first_flag;
extern int ignore_flag;
extern int safety_flag;
extern int logging_flag;
extern int verbose_flag;
extern int bus_mask;
extern int device_timeout;
extern char** bus_flags;
extern char** ignore_list;
extern nndevice_t** device;
void* main_window_worker(void* args)
{
pthread_t thread[MAXTHREAD];
int thread_count = 0;
int i = 0;
device = (nndevice_t**)malloc(MAXTHREAD * sizeof(nndevice_t));
if(device == NULL)
{
perror("device list");
exit(1);
}
if(list_flag)
{
bus_mask = selectbus(bus_flags);
scanbus_sysfs(device);
exit(0);
}
/* Select the bus mask and scan for devices */
bus_mask = selectbus(bus_flags);
scanbus_sysfs(device);
/* If the operator wants to preserve the first device */
if(ignore_first_flag)
{
int first = 0;
int last = 0;
/* Count how many devices we have */
int i = 0;
while(device[i] != NULL)
{
i++;
}
last = i - 1;
COM("IGNORING: %s", device[first]->path);
/* Replace the first device's array entry and then clear the original */
memmove(device[first], device[last], sizeof(nndevice_t));
memset(device[last], 0, sizeof(nndevice_t));
device[last] = NULL;
}
if(ignore_flag)
{
ignore_device(ignore_list, device);
}
/* Run check to see if any devices were returned */
if(device[0] == NULL)
{
COM(self, "No devices detected\n");
exit(0);
}
COM(self, "Safety is %s", safety_flag ? "OFF" : "ON");
if(device_timeout) COM(self, "%ds timeout set\n", device_timeout);
if(blksz_override) COM(self, "Forcing %d block size\n", blksz_override);
COM(self, "Initializing mutex\n");
pthread_mutex_init(&lock_global, NULL);
pthread_mutex_init(&lock_write, NULL);
COM(self, "Generating threads\n");
/* Tell the random generator to start */
nnrandinit();
/* Start a single thread per device node*/
for( i = 0; device[i] != NULL ; i++ )
{
thread[i] = (pthread_t)nnthread(device[i]);
COM(self, "thread id: %8X %8X\n", thread[i]);
}
/* Catch up */
usleep(10000);
/* Using the original device count, set thread_count and join all threads */
thread_count = i;
COM(self, "Joining %d thread%c\n", thread_count, (thread_count > 1 || thread_count < 1) ? 's' : '\b');
for( i = 0 ; i < thread_count ; i++)
{
pthread_join(thread[i], NULL);
}
COM(self, "Destroying mutex\n");
pthread_mutex_destroy(&lock_global);
pthread_mutex_destroy(&lock_write);
COM(self, "Total bytes written: %lu\n", total_written_bytes);
nnrandfree();
return NULL;
}
void main_init()
{
pthread_t main_window_thread;
pthread_t info_window_thread;
int startx = 0, starty = 0, width = 0, height = 0;
cbreak();
keypad(stdscr, TRUE);
height = getmaxy(stdscr) / 2;
width = getmaxx(stdscr);
main_window = create_window(height, width, starty, startx);
starty = getmaxy(stdscr) / 2;
height = getmaxy(stdscr) / 2;
width = getmaxx(stdscr);
info_window = create_window(height, width, starty, startx);
//refresh();
pthread_mutex_init(&main_window_lock, NULL);
pthread_create(&main_window_thread, NULL, main_window_worker, NULL);
pthread_join(main_window_thread, NULL);
pthread_mutex_destroy(&main_window_lock);
}
void main_deinit()
{
endwin();
}
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