X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fmingw%2Fdevice.c;h=0e748f85e9d965d5d5528b2129c5c610cff0d705;hb=06a4a8c153407b690a3ce3f0e7fdaa8568ccb1a3;hp=46ad9eb71f82eb419b5bdd92cd9d91a6a4fedbdf;hpb=8ac096b5bf9da1b3961a3ac4a03d083629222a63;p=tinc

diff --git a/src/mingw/device.c b/src/mingw/device.c
index 46ad9eb7..0e748f85 100644
--- a/src/mingw/device.c
+++ b/src/mingw/device.c
@@ -1,7 +1,7 @@
 /*
     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
@@ -18,20 +18,21 @@
     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 "../names.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;
@@ -39,16 +40,14 @@ char *device = NULL;
 char *iface = NULL;
 static char *device_info = NULL;
 
-static uint64_t device_total_in = 0;
-static uint64_t device_total_out = 0;
-
 extern char *myport;
 
 static DWORD WINAPI tapreader(void *bla) {
 	int status;
-	long len;
+	DWORD len;
 	OVERLAPPED overlapped;
 	vpn_packet_t packet;
+	int errors;
 
 	logger(DEBUG_ALWAYS, LOG_DEBUG, "Tap reader running");
 
@@ -61,7 +60,7 @@ static DWORD WINAPI tapreader(void *bla) {
 		overlapped.OffsetHigh = 0;
 		ResetEvent(overlapped.hEvent);
 
-		status = ReadFile(device_handle, packet.data, MTU, &len, &overlapped);
+		status = ReadFile(device_handle, (void *)packet.data, MTU, &len, &overlapped);
 
 		if(!status) {
 			if(GetLastError() == ERROR_IO_PENDING) {
@@ -71,14 +70,24 @@ static DWORD WINAPI tapreader(void *bla) {
 			} else {
 				logger(DEBUG_ALWAYS, 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);
+		event_flush_output();
 		LeaveCriticalSection(&mutex);
 	}
 }
@@ -91,7 +100,7 @@ static bool setup_device(void) {
 	char adapterid[1024];
 	char adaptername[1024];
 	char tapname[1024];
-	long len;
+	DWORD len;
 	unsigned long status;
 
 	bool found = false;
@@ -118,11 +127,11 @@ static bool setup_device(void) {
 
 		snprintf(regpath, sizeof regpath, "%s\\%s\\Connection", NETWORK_CONNECTIONS_KEY, adapterid);
 
-                if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, regpath, 0, KEY_READ, &key2))
+		if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, regpath, 0, KEY_READ, &key2))
 			continue;
 
 		len = sizeof adaptername;
-		err = RegQueryValueEx(key2, "Name", 0, 0, adaptername, &len);
+		err = RegQueryValueEx(key2, "Name", 0, 0, (LPBYTE)adaptername, &len);
 
 		RegCloseKey(key2);
 
@@ -172,7 +181,7 @@ static bool setup_device(void) {
 		snprintf(tapname, sizeof tapname, USERMODEDEVICEDIR "%s" TAPSUFFIX, device);
 		device_handle = CreateFile(tapname, GENERIC_WRITE | GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED, 0);
 	}
-	
+
 	if(device_handle == INVALID_HANDLE_VALUE) {
 		logger(DEBUG_ALWAYS, LOG_ERR, "%s (%s) is not a usable Windows tap device: %s", device, iface, winerror(GetLastError()));
 		return false;
@@ -222,7 +231,7 @@ static bool read_packet(vpn_packet_t *packet) {
 }
 
 static bool write_packet(vpn_packet_t *packet) {
-	long outlen;
+	DWORD outlen;
 	OVERLAPPED overlapped = {0};
 
 	logger(DEBUG_TRAFFIC, LOG_DEBUG, "Writing packet of %d bytes to %s",
@@ -233,21 +242,12 @@ static bool write_packet(vpn_packet_t *packet) {
 		return false;
 	}
 
-	device_total_out += packet->len;
-
 	return true;
 }
 
-static void dump_device_stats(void) {
-	logger(DEBUG_ALWAYS, LOG_DEBUG, "Statistics for %s %s:", device_info, device);
-	logger(DEBUG_ALWAYS, LOG_DEBUG, " total bytes in:  %10"PRIu64, device_total_in);
-	logger(DEBUG_ALWAYS, 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,
 };