/*
device.c -- Interaction with Windows tap driver in a MinGW environment
Copyright (C) 2002-2005 Ivo Timmermans,
- 2002-2011 Guus Sliepen <guus@tinc-vpn.org>
+ 2002-2014 Guus Sliepen <guus@tinc-vpn.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include "system.h"
+#include "../system.h"
#include <windows.h>
#include <winioctl.h>
-#include "conf.h"
-#include "device.h"
-#include "logger.h"
-#include "net.h"
-#include "route.h"
-#include "utils.h"
-#include "xalloc.h"
+#include "../conf.h"
+#include "../device.h"
+#include "../logger.h"
+#include "../net.h"
+#include "../route.h"
+#include "../utils.h"
+#include "../xalloc.h"
-#include "mingw/common.h"
+#include "common.h"
int device_fd = -1;
static HANDLE device_handle = INVALID_HANDLE_VALUE;
static DWORD WINAPI tapreader(void *bla) {
int status;
- long len;
+ DWORD len;
OVERLAPPED overlapped;
vpn_packet_t packet;
+ int errors = 0;
logger(LOG_DEBUG, "Tap reader running");
} else {
logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
device, strerror(errno));
- return -1;
+ errors++;
+ if(errors >= 10) {
+ EnterCriticalSection(&mutex);
+ running = false;
+ LeaveCriticalSection(&mutex);
+ }
+ usleep(1000000);
+ continue;
}
}
- EnterCriticalSection(&mutex);
+ errors = 0;
packet.len = len;
packet.priority = 0;
+
+ EnterCriticalSection(&mutex);
route(myself, &packet);
LeaveCriticalSection(&mutex);
}
+
+ return 0;
}
-bool setup_device(void) {
+static bool setup_device(void) {
HKEY key, key2;
int i;
char adapterid[1024];
char adaptername[1024];
char tapname[1024];
- long len;
+ DWORD len;
unsigned long status;
bool found = false;
continue;
len = sizeof(adaptername);
- err = RegQueryValueEx(key2, "Name", 0, 0, adaptername, &len);
+ err = RegQueryValueEx(key2, "Name", 0, 0, (LPBYTE)adaptername, &len);
RegCloseKey(key2);
return true;
}
-void close_device(void) {
+static void close_device(void) {
CloseHandle(device_handle);
free(device);
free(iface);
}
-bool read_packet(vpn_packet_t *packet) {
+static bool read_packet(vpn_packet_t *packet) {
return false;
}
-bool write_packet(vpn_packet_t *packet) {
- long lenout;
+static bool write_packet(vpn_packet_t *packet) {
+ DWORD lenout;
OVERLAPPED overlapped = {0};
ifdebug(TRAFFIC) logger(LOG_DEBUG, "Writing packet of %d bytes to %s",
return true;
}
-void dump_device_stats(void) {
+static void dump_device_stats(void) {
logger(LOG_DEBUG, "Statistics for %s %s:", device_info, device);
logger(LOG_DEBUG, " total bytes in: %10"PRIu64, device_total_in);
logger(LOG_DEBUG, " total bytes out: %10"PRIu64, device_total_out);
}
+
+const devops_t os_devops = {
+ .setup = setup_device,
+ .close = close_device,
+ .read = read_packet,
+ .write = write_packet,
+ .dump_stats = dump_device_stats,
+};