X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fcygwin%2Fdevice.c;h=d522b4f4ac35c6e8e0a25b4ba6786c9bebb72b09;hb=e57daac63b6f703af8e7c8209ef61a4d3b2180c3;hp=869116a88194c9369b1f4ff0dfd868ef69888f9d;hpb=86c2990327fdf7ec1197aa73cb2b9a926a734db4;p=tinc diff --git a/src/cygwin/device.c b/src/cygwin/device.c index 869116a8..d522b4f4 100644 --- a/src/cygwin/device.c +++ b/src/cygwin/device.c @@ -1,7 +1,7 @@ /* device.c -- Interaction with Windows tap driver in a Cygwin environment Copyright (C) 2002-2005 Ivo Timmermans, - 2002-2011 Guus Sliepen + 2002-2013 Guus Sliepen 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 #include -#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 "../mingw/common.h" int device_fd = -1; static HANDLE device_handle = INVALID_HANDLE_VALUE; @@ -39,9 +40,6 @@ 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; - static pid_t reader_pid; static int sp[2]; @@ -77,7 +75,7 @@ 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; @@ -127,7 +125,7 @@ static bool setup_device(void) { iface = xstrdup(adaptername); snprintf(tapname, sizeof tapname, USERMODEDEVICEDIR "%s" TAPSUFFIX, device); - + /* Now we are going to open this device twice: once for reading and once for writing. We do this because apparently it isn't possible to check for activity in the select() loop. Furthermore I don't really know how to do it the "Windows" way. */ @@ -138,9 +136,9 @@ static bool setup_device(void) { } /* The parent opens the tap device for writing. */ - + device_handle = CreateFile(tapname, GENERIC_WRITE, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM , 0); - + if(device_handle == INVALID_HANDLE_VALUE) { logger(DEBUG_ALWAYS, LOG_ERR, "Could not open Windows tap device %s (%s) for writing: %s", device, iface, winerror(GetLastError())); return false; @@ -171,7 +169,7 @@ static bool setup_device(void) { if(!reader_pid) { /* The child opens the tap device for reading, blocking. It passes everything it reads to the socket. */ - + char buf[MTU]; long inlen; @@ -217,12 +215,13 @@ static bool setup_device(void) { static void close_device(void) { close(sp[0]); close(sp[1]); - CloseHandle(device_handle); + CloseHandle(device_handle); device_handle = INVALID_HANDLE_VALUE; kill(reader_pid, SIGKILL); - free(device); - free(iface); + free(device); device = NULL; + free(iface); iface = NULL; + device_info = NULL; } static bool read_packet(vpn_packet_t *packet) { @@ -233,10 +232,8 @@ static bool read_packet(vpn_packet_t *packet) { device, strerror(errno)); return false; } - - packet->len = inlen; - device_total_in += packet->len; + packet->len = inlen; logger(DEBUG_TRAFFIC, LOG_DEBUG, "Read packet of %d bytes from %s", packet->len, device_info); @@ -255,21 +252,12 @@ 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, };