Simplify logging, update copyrights and some minor cleanups.

[oweals/tinc.git] / src / linux / device.c

diff --git a/src/linux/device.c b/src/linux/device.c
index 686db6ab6f56a5d7a80226fd5f04c63d7842ffed..f9105e655f26b1a580d777171f65a56182901142 100644 (file)
--- a/src/linux/device.c
+++ b/src/linux/device.c
@@ -1,7 +1,7 @@
 /*
     device.c -- Interaction with Linux ethertap and tun/tap device
-    Copyright (C) 2001-2002 Ivo Timmermans <ivo@o2w.nl>,
-                  2001-2002 Guus Sliepen <guus@sliepen.eu.org>
+    Copyright (C) 2001-2003 Ivo Timmermans <ivo@o2w.nl>,
+                  2001-2003 Guus Sliepen <guus@sliepen.eu.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
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: device.c,v 1.1.2.16 2003/07/06 22:11:35 guus Exp $
+    $Id: device.c,v 1.1.2.17 2003/07/12 17:41:48 guus Exp $
 */
 
 #include "config.h"
@@ -67,9 +67,6 @@ char *device_info;
 int device_total_in = 0;
 int device_total_out = 0;
 
-/*
-  open the local ethertap device
-*/
 int setup_device(void)
 {
        struct ifreq ifr;
@@ -88,7 +85,7 @@ int setup_device(void)
        device_fd = open(device, O_RDWR | O_NONBLOCK);
 
        if(device_fd < 0) {
-               logger(DEBUG_ALWAYS, LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
+               logger(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
                return -1;
        }
 
@@ -113,7 +110,7 @@ int setup_device(void)
                strncpy(ifrname, ifr.ifr_name, IFNAMSIZ);
                interface = ifrname;
        } else if(!ioctl(device_fd, (('T' << 8) | 202), (void *) &ifr)) {
-               logger(DEBUG_ALWAYS, LOG_WARNING, _("Old ioctl() request was needed for %s"), device);
+               logger(LOG_WARNING, _("Old ioctl() request was needed for %s"), device);
                strncpy(ifrname, ifr.ifr_name, IFNAMSIZ);
                interface = ifrname;
        } else
@@ -126,7 +123,7 @@ int setup_device(void)
                interface = rindex(device, '/') ? rindex(device, '/') + 1 : device;
        }
 
-       logger(DEBUG_ALWAYS, LOG_INFO, _("%s is a %s"), device, device_info);
+       logger(LOG_INFO, _("%s is a %s"), device, device_info);
 
        return 0;
 }
@@ -138,10 +135,6 @@ void close_device(void)
        close(device_fd);
 }
 
-/*
-  read, encrypt and send data that is
-  available through the ethertap device
-*/
 int read_packet(vpn_packet_t *packet)
 {
        int lenin;
@@ -153,7 +146,7 @@ int read_packet(vpn_packet_t *packet)
                        lenin = read(device_fd, packet->data + 10, MTU - 10);
 
                        if(lenin <= 0) {
-                               logger(DEBUG_ALWAYS, LOG_ERR, _("Error while reading from %s %s: %s"),
+                               logger(LOG_ERR, _("Error while reading from %s %s: %s"),
                                           device_info, device, strerror(errno));
                                return -1;
                        }
@@ -164,7 +157,7 @@ int read_packet(vpn_packet_t *packet)
                        lenin = read(device_fd, packet->data, MTU);
 
                        if(lenin <= 0) {
-                               logger(DEBUG_ALWAYS, LOG_ERR, _("Error while reading from %s %s: %s"),
+                               logger(LOG_ERR, _("Error while reading from %s %s: %s"),
                                           device_info, device, strerror(errno));
                                return -1;
                        }
@@ -175,7 +168,7 @@ int read_packet(vpn_packet_t *packet)
                        lenin = read(device_fd, packet->data - 2, MTU + 2);
 
                        if(lenin <= 0) {
-                               logger(DEBUG_ALWAYS, LOG_ERR, _("Error while reading from %s %s: %s"),
+                               logger(LOG_ERR, _("Error while reading from %s %s: %s"),
                                           device_info, device, strerror(errno));
                                return -1;
                        }
@@ -186,7 +179,7 @@ int read_packet(vpn_packet_t *packet)
 
        device_total_in += packet->len;
 
-       logger(DEBUG_TRAFFIC, LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len,
+       ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len,
                           device_info);
 
        return 0;
@@ -196,21 +189,21 @@ int write_packet(vpn_packet_t *packet)
 {
        cp();
 
-       logger(DEBUG_TRAFFIC, LOG_DEBUG, _("Writing packet of %d bytes to %s"),
+       ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
                           packet->len, device_info);
 
        switch(device_type) {
                case DEVICE_TYPE_TUN:
                        packet->data[10] = packet->data[11] = 0;
                        if(write(device_fd, packet->data + 10, packet->len - 10) < 0) {
-                               logger(DEBUG_ALWAYS, LOG_ERR, _("Can't write to %s %s: %s"), device_info, device,
+                               logger(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device,
                                           strerror(errno));
                                return -1;
                        }
                        break;
                case DEVICE_TYPE_TAP:
                        if(write(device_fd, packet->data, packet->len) < 0) {
-                               logger(DEBUG_ALWAYS, LOG_ERR, _("Can't write to %s %s: %s"), device_info, device,
+                               logger(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device,
                                           strerror(errno));
                                return -1;
                        }
@@ -219,7 +212,7 @@ int write_packet(vpn_packet_t *packet)
                        *(short int *)(packet->data - 2) = packet->len;
 
                        if(write(device_fd, packet->data - 2, packet->len + 2) < 0) {
-                               logger(DEBUG_ALWAYS, LOG_ERR, _("Can't write to %s %s: %s"), device_info, device,
+                               logger(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device,
                                           strerror(errno));
                                return -1;
                        }
@@ -235,7 +228,7 @@ void dump_device_stats(void)
 {
        cp();
 
-       logger(DEBUG_ALWAYS, LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);
-       logger(DEBUG_ALWAYS, LOG_DEBUG, _(" total bytes in:  %10d"), device_total_in);
-       logger(DEBUG_ALWAYS, LOG_DEBUG, _(" total bytes out: %10d"), device_total_out);
+       logger(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);
+       logger(LOG_DEBUG, _(" total bytes in:  %10d"), device_total_in);
+       logger(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out);
 }