diff options
Diffstat (limited to 'sysdeps/linux/netload.c')
| -rw-r--r-- | sysdeps/linux/netload.c | 561 |
1 files changed, 0 insertions, 561 deletions
diff --git a/sysdeps/linux/netload.c b/sysdeps/linux/netload.c deleted file mode 100644 index c275db2e..00000000 --- a/sysdeps/linux/netload.c +++ /dev/null @@ -1,561 +0,0 @@ -/* Copyright (C) 1998-99 Martin Baulig - This file is part of LibGTop 1.0. - - Contributed by Martin Baulig <martin@home-of-linux.org>, October 1998. - - LibGTop 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 2 of the License, - or (at your option) any later version. - - LibGTop 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 LibGTop; see the file COPYING. If not, write to the - Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. -*/ - -#include <config.h> - -#include <glibtop.h> -#include <glibtop/error.h> -#include <glibtop/netload.h> - -#include "glibtop_private.h" - -#include <errno.h> -#include <string.h> - -#include <sys/types.h> -#include <sys/socket.h> -#include <sys/ioctl.h> - -#if !defined (_LIBC) && defined (__GNU_LIBRARY__) && __GNU_LIBRARY__ > 1 -/* GNU LibC */ -#include <net/if.h> -#include <netinet/ip_icmp.h> -#include <netinet/in.h> -#include <netinet/ip.h> -#include <netinet/tcp.h> -#include <netinet/udp.h> -#include <net/if.h> -#else /* Libc 5 */ -#include <linux/if.h> -#include <linux/in.h> -#include <linux/ip.h> -#include <linux/icmp.h> -#include <linux/tcp.h> -#include <linux/udp.h> -#endif - - -#ifdef HAVE_IFADDRS_H -/* needed for IPV6 support */ - -#include <ifaddrs.h> - -#ifndef IN6_IS_ADDR_GLOBAL -#define IN6_IS_ADDR_GLOBAL(a) \ - (((((__const uint8_t *) (a))[0] & 0xff) == 0x3f \ - || (((__const uint8_t *) (a))[0] & 0xff) == 0x20)) -#endif -#endif /* HAVE_IFADDRS_H */ - - -#define _GLIBTOP_IP_FW_ACCTIN 0x1000 /* Account incoming packets only. */ -#define _GLIBTOP_IP_FW_ACCTOUT 0x2000 /* Account outgoing packets only. */ - -static const unsigned long _glibtop_sysdeps_netload = -(1L << GLIBTOP_NETLOAD_ERRORS_IN) + -(1L << GLIBTOP_NETLOAD_ERRORS_OUT) + -(1L << GLIBTOP_NETLOAD_COLLISIONS); - -static const unsigned long _glibtop_sysdeps_netload_data = -(1L << GLIBTOP_NETLOAD_ADDRESS) + -(1L << GLIBTOP_NETLOAD_SUBNET) + -(1L << GLIBTOP_NETLOAD_MTU); - -static const unsigned long _glibtop_sysdeps_netload_bytes = -(1L << GLIBTOP_NETLOAD_BYTES_IN) + -(1L << GLIBTOP_NETLOAD_BYTES_OUT) + -(1L << GLIBTOP_NETLOAD_BYTES_TOTAL); - -static const unsigned long _glibtop_sysdeps_netload_packets = -(1L << GLIBTOP_NETLOAD_PACKETS_IN) + -(1L << GLIBTOP_NETLOAD_PACKETS_OUT) + -(1L << GLIBTOP_NETLOAD_PACKETS_TOTAL); - -static const unsigned long _glibtop_sysdeps_netload_total = -(1L << GLIBTOP_NETLOAD_PACKETS_TOTAL) + -(1L << GLIBTOP_NETLOAD_BYTES_TOTAL); - -static const unsigned long _glibtop_sysdeps_netload_in = -(1L << GLIBTOP_NETLOAD_PACKETS_TOTAL) + -(1L << GLIBTOP_NETLOAD_BYTES_TOTAL) + -(1L << GLIBTOP_NETLOAD_PACKETS_IN) + -(1L << GLIBTOP_NETLOAD_BYTES_IN); - -static const unsigned long _glibtop_sysdeps_netload_out = -(1L << GLIBTOP_NETLOAD_PACKETS_TOTAL) + -(1L << GLIBTOP_NETLOAD_BYTES_TOTAL) + -(1L << GLIBTOP_NETLOAD_PACKETS_OUT) + -(1L << GLIBTOP_NETLOAD_BYTES_OUT); - -static const unsigned long _glibtop_sysdeps_netload_6 = -(1L << GLIBTOP_NETLOAD_ADDRESS6) + -(1L << GLIBTOP_NETLOAD_PREFIX6) + -(1L << GLIBTOP_NETLOAD_SCOPE6); - -/* Init function. */ - -void -_glibtop_init_netload_s (glibtop *server) -{ - server->sysdeps.netload = _glibtop_sysdeps_netload | - _glibtop_sysdeps_netload_data | - _glibtop_sysdeps_netload_bytes | - _glibtop_sysdeps_netload_packets; -} - - -#ifdef HAVE_IFADDRS_H - -static void get_ipv6(glibtop *server, glibtop_netload *buf, - const char *interface) -{ - struct ifaddrs *ifa0, *ifr6; - - if(getifaddrs (&ifa0) != 0) - { - glibtop_warn_r(server, "getifaddrs failed : %s", g_strerror(errno)); - return; - } - - for (ifr6 = ifa0; ifr6; ifr6 = ifr6->ifa_next) { - if (strcmp (ifr6->ifa_name, interface) == 0 - && ifr6->ifa_addr != NULL - && ifr6->ifa_addr->sa_family == AF_INET6) - break; - } - - if(!ifr6) goto free_ipv6; - - memcpy(buf->address6, - &((struct sockaddr_in6 *) ifr6->ifa_addr)->sin6_addr, - 16); - - memcpy(buf->prefix6, - &((struct sockaddr_in6 *) ifr6->ifa_netmask)->sin6_addr, - 16); - - - if (IN6_IS_ADDR_LINKLOCAL (buf->address6)) - buf->scope6 = GLIBTOP_IF_IN6_SCOPE_LINK; - - else if (IN6_IS_ADDR_SITELOCAL (buf->address6)) - buf->scope6 = GLIBTOP_IF_IN6_SCOPE_SITE; - - else if (IN6_IS_ADDR_GLOBAL (buf->address6) - || IN6_IS_ADDR_MC_ORGLOCAL (buf->address6) - || IN6_IS_ADDR_V4COMPAT (buf->address6) - || IN6_IS_ADDR_MULTICAST (buf->address6) - || IN6_IS_ADDR_UNSPECIFIED (buf->address6) - ) - buf->scope6 = GLIBTOP_IF_IN6_SCOPE_GLOBAL; - - else if (IN6_IS_ADDR_LOOPBACK (buf->address6)) - buf->scope6 = GLIBTOP_IF_IN6_SCOPE_HOST; - - else - buf->scope6 = GLIBTOP_IF_IN6_SCOPE_UNKNOWN; - - buf->flags |= _glibtop_sysdeps_netload_6; - - free_ipv6: - freeifaddrs(ifa0); -} - -#endif /* HAVE_IFADDRS_H */ - - - - -static gboolean -read_value(glibtop *server, - const char *device, - const char *filename, - guint64 *value) -{ - char buffer[BUFSIZ]; - - if(try_file_to_buffer(buffer, - sizeof buffer, - "/sys/class/net/%s/statistics/%s", - device, - filename)) - { - glibtop_warn_io_r(server, - "Failed to open \"/sys/class/net/%s/statistics/%s\"", - device, - filename); - - return FALSE; - } - - *value = strtoull(buffer, NULL, 10); - return TRUE; -} - - - - -static void -linux_2_6_stats(glibtop *server, - glibtop_netload *buf, - const char *dev) -{ - if(read_value(server, dev, "rx_packets", &buf->packets_in)) - buf->flags |= (1 << GLIBTOP_NETLOAD_PACKETS_IN); - - if(read_value(server, dev, "tx_packets", &buf->packets_out)) - buf->flags |= (1 << GLIBTOP_NETLOAD_PACKETS_OUT); - - buf->packets_total = buf->packets_in + buf->packets_out; - buf->flags |= (1 << GLIBTOP_NETLOAD_PACKETS_TOTAL); - - - if(read_value(server, dev, "rx_bytes", &buf->bytes_in)) - buf->flags |= (1 << GLIBTOP_NETLOAD_BYTES_IN); - - if(read_value(server, dev, "tx_bytes", &buf->bytes_out)) - buf->flags |= (1 << GLIBTOP_NETLOAD_BYTES_OUT); - - buf->bytes_total = buf->bytes_in + buf->bytes_out; - buf->flags |= (1 << GLIBTOP_NETLOAD_BYTES_TOTAL); - - - if(read_value(server, dev, "rx_errors", &buf->errors_in)) - buf->flags |= (1 << GLIBTOP_NETLOAD_ERRORS_IN); - - if(read_value(server, dev, "tx_errors", &buf->errors_out)) - buf->flags |= (1 << GLIBTOP_NETLOAD_ERRORS_OUT); - - buf->errors_total = buf->errors_in + buf->errors_out; - buf->flags |= (1 << GLIBTOP_NETLOAD_ERRORS_TOTAL); - - - if(read_value(server, dev, "collisions", &buf->collisions)) - buf->flags |= (1 << GLIBTOP_NETLOAD_COLLISIONS); -} - - - - -static void -linux_2_0_stats(glibtop *server, - glibtop_netload *buf, - const char *interface) -{ - FILE *f; - char buffer[BUFSIZ]; - - f = fopen ("/proc/net/ip_acct", "r"); - - if (!f) { - glibtop_warn_io_r (server, - "Failed to open \"/proc/net/ip_acct\""); - return; - } - - /* Skip over the header line. */ - fgets (buffer, BUFSIZ-1, f); - - while (fgets (buffer, BUFSIZ-1, f)) { - unsigned long long flags, packets, bytes; - char *p, *dev; - - /* Skip over the network thing. */ - dev = skip_token (buffer) + 1; - p = skip_token (dev); - *p++ = 0; - - if (strcmp (dev, interface)) - continue; - - p = skip_token (p); - - flags = strtoull (p, &p, 16); - - p = skip_multiple_token (p, 2); - - packets = strtoull (p, &p, 0); - bytes = strtoull (p, &p, 0); - - if (flags & _GLIBTOP_IP_FW_ACCTIN) { - /* Incoming packets only. */ - - buf->packets_total += packets; - buf->packets_in += packets; - - buf->bytes_total += bytes; - buf->bytes_in += bytes; - - buf->flags |= _glibtop_sysdeps_netload_in; - - } else if (flags & _GLIBTOP_IP_FW_ACCTOUT) { - /* Outgoing packets only. */ - - buf->packets_total += packets; - buf->packets_out += packets; - - buf->bytes_total += bytes; - buf->bytes_out += bytes; - - buf->flags |= _glibtop_sysdeps_netload_out; - - } else { - /* Only have total values. */ - - buf->packets_total += packets; - buf->bytes_total += bytes; - - buf->flags |= _glibtop_sysdeps_netload_total; - } - } - - fclose (f); -} - - - - -static void -linux_2_4_stats(glibtop *server, - glibtop_netload *buf, - const char *interface) -{ - char buffer [BUFSIZ], *p; - int have_bytes, fields; - FILE *f; - - /* Ok, either IP accounting is not enabled in the kernel or - * it was not enabled for the requested interface. */ - - f = fopen ("/proc/net/dev", "r"); - if (!f) { - glibtop_warn_io_r(server, - "Failed to open \"/proc/net/dev\""); - return; - } - - /* Skip over the header line. */ - fgets (buffer, BUFSIZ-1, f); - fgets (buffer, BUFSIZ-1, f); - - /* Starting with 2.1.xx (don't know exactly which version) - * /proc/net/dev contains both byte and package counters. */ - - p = strchr (buffer, '|'); - if (!p) { - fclose (f); - return; - } - - /* Do we already have byte counters ? */ - have_bytes = strncmp (++p, "bytes", 5) == 0; - - /* Count remaining 'Receive' fields so we know where - * the first 'Transmit' field starts. */ - - fields = 0; - while (*p != '|') { - if (!isspace (*p++)) continue; - while (isspace (*p++)) ; - fields++; - } - - /* Should never happen. */ - if (fields < 2) { - fclose (f); - return; - } - fields--; - - while (fgets (buffer, BUFSIZ-1, f)) { - char *p, *dev; - - dev = buffer; - while (isspace (*dev)) dev++; - - p = strchr (dev, ':'); - if (!p) continue; - *p++ = 0; - - /* If it's not a digit, then it's most likely an error - * message like 'No statistics available'. */ - while (isspace (*p)) p++; - if (!isdigit (*p)) continue; - - if (strcmp (dev, interface)) - continue; - - /* Ok, we've found the interface */ - - /* Only read byte counts if we really have them. */ - - if (have_bytes) { - buf->bytes_in = strtoull (p, &p, 0); - fields--; - } - - buf->packets_in = strtoull (p, &p, 0); - buf->errors_in = strtoull (p, &p, 0); - - p = skip_multiple_token (p, fields); - - if (have_bytes) - buf->bytes_out = strtoull (p, &p, 0); - - buf->packets_out = strtoull (p, &p, 0); - buf->errors_out = strtoull (p, &p, 0); - - p = skip_multiple_token (p, 2); - - buf->collisions = strtoull (p, &p, 0); - - /* Compute total valules. */ - - buf->bytes_total = buf->bytes_in + buf->bytes_out; - buf->packets_total = buf->packets_in + buf->packets_out; - - /* And now the flags. */ - - buf->flags |= _glibtop_sysdeps_netload; - buf->flags |= _glibtop_sysdeps_netload_packets; - - if (have_bytes) - buf->flags |= _glibtop_sysdeps_netload_bytes; - - break; /* finished */ - } - - fclose (f); -} - - - - -/* Provides network statistics. */ - -void -glibtop_get_netload_s (glibtop *server, glibtop_netload *buf, - const char *interface) -{ - int skfd; - memset (buf, 0, sizeof (glibtop_netload)); - - skfd = socket (AF_INET, SOCK_DGRAM, 0); - if (skfd) { - struct ifreq ifr; - - g_strlcpy (ifr.ifr_name, interface, sizeof ifr.ifr_name); - if (!ioctl (skfd, SIOCGIFFLAGS, &ifr)) { - const unsigned long long flags = ifr.ifr_flags; - - buf->flags |= (1L << GLIBTOP_NETLOAD_IF_FLAGS); - - if (flags & IFF_UP) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_UP); - - if (flags & IFF_BROADCAST) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_BROADCAST); - - if (flags & IFF_DEBUG) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_DEBUG); - - if (flags & IFF_LOOPBACK) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_LOOPBACK); - - if (flags & IFF_POINTOPOINT) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_POINTOPOINT); - - if (flags & IFF_RUNNING) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_RUNNING); - - if (flags & IFF_NOARP) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_NOARP); - - if (flags & IFF_PROMISC) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_PROMISC); - - if (flags & IFF_ALLMULTI) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_ALLMULTI); - - if (flags & IFF_MULTICAST) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_MULTICAST); - } - - g_strlcpy (ifr.ifr_name, interface, sizeof ifr.ifr_name); - if (!ioctl(skfd, /* SIOCGIWNAME */ 0x8B01, &ifr)) - buf->if_flags |= (1L << GLIBTOP_IF_FLAGS_WIRELESS); - - g_strlcpy (ifr.ifr_name, interface, sizeof ifr.ifr_name); - if (!ioctl (skfd, SIOCGIFADDR, &ifr)) { - buf->address = ((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr; - buf->flags |= (1L << GLIBTOP_NETLOAD_ADDRESS); - } - - g_strlcpy (ifr.ifr_name, interface, sizeof ifr.ifr_name); - if (!ioctl (skfd, SIOCGIFNETMASK, &ifr)) { - buf->subnet = ((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr; - buf->flags |= (1L << GLIBTOP_NETLOAD_SUBNET); - } - - g_strlcpy (ifr.ifr_name, interface, sizeof ifr.ifr_name); - if (!ioctl (skfd, SIOCGIFMTU, &ifr)) { - buf->mtu = ifr.ifr_mtu; - buf->flags |= (1L << GLIBTOP_NETLOAD_MTU); - } - - g_strlcpy (ifr.ifr_name, interface, sizeof ifr.ifr_name); - if (!ioctl (skfd, SIOCGIFHWADDR, &ifr)) { - memcpy(buf->hwaddress, &ifr.ifr_hwaddr.sa_data, 8); - buf->flags |= (1L << GLIBTOP_NETLOAD_HWADDRESS); - } - - close (skfd); - } - - - /* - * Statistics - */ - - /* Linux 2.1.114 - don't know where exactly this was added, but - * recent kernels have byte count in /proc/net/dev so we don't - * need IP accounting. - */ - - if (server->os_version_code < LINUX_VERSION_CODE(2, 1, 14)) { - linux_2_0_stats(server, buf, interface); - } - else if (server->os_version_code > LINUX_VERSION_CODE(2, 6, 0) - && has_sysfs()) { - linux_2_6_stats(server, buf, interface); - } - else { - /* 2.4 and 2.6 without /sys (?$£Z¥!) */ - linux_2_4_stats(server, buf, interface); - } - -#ifdef HAVE_IFADDRS_H - get_ipv6(server, buf, interface); -#endif /* HAVE_IFADDRS_H */ -} - - - |