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start overhaul of windows net_interface impls

This commit is contained in:
Doug MacEachern 2006-11-03 07:31:53 +00:00
parent e26be5dc38
commit 1bc2ad33a4
4 changed files with 440 additions and 400 deletions
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243
src/os/netware/netware_sigar.c
View File

@ -34,7 +34,7 @@
#define _STRUCT_TM
#include <nwtime.h>
#include <nit/nwservst.h>
#include <monitor.h>
/*
* http://developer.novell.com/research/appnotes/2003/may/05/a0305058.htm
*/
@ -442,3 +442,244 @@ int sigar_os_sys_info_get(sigar_t *sigar,
return SIGAR_OK;
}
int sigar_get_iftype(const char *name, int *type, int *inst)
{
if (strnEQ(name, "eth", IFTYPE_ETH)) {
*type = IFTYPE_ETH;
}
else if (strnEQ(name, "lo", IFTYPE_LO)) {
*type = IFTYPE_LO;
}
else {
return EINVAL;
}
if (isdigit(*(name + *type))) {
*inst = atoi(name + *type);
}
else {
return EINVAL;
}
return SIGAR_OK;
}
static void hwaddr_lookup(sigar_t *sigar,
sigar_net_interface_config_t *ifconfig,
int num)
{
uint8_t addr[SIGAR_IFHWADDRLEN];
if (netware_net_macaddr(num+1, addr) == 0) {
sigar_net_address_mac_set(ifconfig->hwaddr,
addr,
sizeof(addr));
}
else {
sigar_hwaddr_set_null(ifconfig);
}
}
static int sigar_ioctl_iflist(sigar_t *sigar,
SOCKET sock,
DWORD *bytes)
{
return WSAIoctl(sock,
SIO_GET_INTERFACE_LIST,
NULL,
0,
(void *)sigar->ifconf_buf,
sigar->ifconf_len,
bytes,
NULL,
NULL);
}
static int get_iflist(sigar_t *sigar, DWORD *bytes)
{
SOCKET sock = INVALID_SOCKET;
int status, rc, limit;
sock = socket(AF_INET, SOCK_DGRAM, 0);
if (sock == INVALID_SOCKET) {
return WSAGetLastError();
}
if (sigar->ifconf_len == 0) {
sigar->ifconf_len = 8192;
sigar->ifconf_buf = malloc(sigar->ifconf_len);
}
/*
* XXX We can't tell ahead of time what buffer size is required
* limit just incase.
*/
for (limit=0; limit<100; limit++) {
rc = sigar_ioctl_iflist(sigar, sock, bytes);
if (rc && (WSAGetLastError() == WSAEFAULT)) {
sigar->ifconf_len += (sizeof(INTERFACE_INFO) * 16);
sigar->ifconf_buf = malloc(sigar->ifconf_len);
}
}
status = rc ? WSAGetLastError() : SIGAR_OK;
closesocket(sock);
return status;
}
SIGAR_DECLARE(int)
sigar_net_interface_config_get(sigar_t *sigar,
const char *name,
sigar_net_interface_config_t *ifconfig)
{
DWORD i, num, bytes;
DWORD lo=0, eth=0;
int status, type, inst;
INTERFACE_INFO *if_info = NULL;
u_long flags;
/* win32 lacks socket ioctls to query given interface.
* so we loop through the list to find our made up ifname.
*/
status = get_iflist(sigar, &bytes);
if (status != SIGAR_OK) {
return status;
}
num = bytes / sizeof(INTERFACE_INFO);
if ((status = sigar_get_iftype(name, &type, &inst)) != SIGAR_OK) {
return status;
}
for (i=0; i<num ; i++) {
if_info = ((INTERFACE_INFO *)sigar->ifconf_buf) + i;
if (if_info->iiFlags & IFF_LOOPBACK) {
if ((type == IFTYPE_LO) && (inst == lo)) {
break;
}
++lo;
}
else {
if ((type == IFTYPE_ETH) && (inst == eth)) {
break;
}
++eth;
}
if_info = NULL;
}
if (!if_info) {
return ENOENT;
}
SIGAR_ZERO(ifconfig);
SIGAR_SSTRCPY(ifconfig->name, name);
#define if_s_addr(a) \
((struct sockaddr_in *)&a)->sin_addr.s_addr
sigar_net_address_set(ifconfig->address,
if_s_addr(if_info->iiAddress));
sigar_net_address_set(ifconfig->broadcast,
if_s_addr(if_info->iiBroadcastAddress));
sigar_net_address_set(ifconfig->netmask,
if_s_addr(if_info->iiNetmask));
flags = if_info->iiFlags;
if (flags & IFF_UP) {
ifconfig->flags |= SIGAR_IFF_UP|SIGAR_IFF_RUNNING;
}
if (flags & IFF_BROADCAST) {
ifconfig->flags |= SIGAR_IFF_BROADCAST;
}
if (flags & IFF_LOOPBACK) {
ifconfig->flags |= SIGAR_IFF_LOOPBACK;
sigar_net_address_set(ifconfig->destination,
ifconfig->address.addr.in);
sigar_net_address_set(ifconfig->broadcast, 0);
SIGAR_SSTRCPY(ifconfig->type,
SIGAR_NIC_LOOPBACK);
}
else {
SIGAR_SSTRCPY(ifconfig->type,
SIGAR_NIC_ETHERNET);
}
/* should be overridden w/ better description
* using MIB_IFROW.bDescr when hwaddr is lookedup
*/
SIGAR_SSTRCPY(ifconfig->description,
ifconfig->name);
hwaddr_lookup(sigar, ifconfig, i);
if (flags & IFF_POINTTOPOINT) {
ifconfig->flags |= SIGAR_IFF_POINTOPOINT;
}
if (flags & IFF_MULTICAST) {
ifconfig->flags |= SIGAR_IFF_MULTICAST;
}
return SIGAR_OK;
}
/*
* win32 interface list does not include a name.
* and the name from GetIfList() is the name of card
* including vendor name, etc. so we use 'eth' for ethernet
* interfaces and 'lo' for loopback.
*/
#define ETH "eth"
#define LO "lo"
SIGAR_DECLARE(int)
sigar_net_interface_list_get(sigar_t *sigar,
sigar_net_interface_list_t *iflist)
{
char eth[56], lo[56];
int ethcnt=0, locnt=0;
DWORD i, num, bytes;
int status;
status = get_iflist(sigar, &bytes);
if (status != SIGAR_OK) {
return status;
}
num = bytes / sizeof(INTERFACE_INFO);
iflist->number = 0;
iflist->size = num;
iflist->data =
malloc(sizeof(*(iflist->data)) * iflist->size);
for (i=0; i<num ; i++) {
INTERFACE_INFO *if_info =
((INTERFACE_INFO *)sigar->ifconf_buf) + i;
char *name;
if (if_info->iiFlags & IFF_LOOPBACK) {
sprintf(lo, LO "%d", locnt++);
name = strdup(lo);
}
else {
/* XXX: assuming ethernet here */
sprintf(eth, ETH "%d", ethcnt++);
name = strdup(eth);
}
iflist->data[iflist->number++] = name;
}
return SIGAR_OK;
}

5
src/os/win32/sigar_os.h
View File

@ -32,6 +32,8 @@
#include <errno.h>
#include <tlhelp32.h>
#include "sigar_util.h"
#define INT64_C(val) val##i64
/* see apr/include/arch/win32/atime.h */
@ -482,6 +484,9 @@ struct sigar_t {
sigar_winsta_t winsta;
sigar_kernel_t kernel;
sigar_win32_pinfo_t pinfo;
sigar_cache_t *netif_adapters;
sigar_cache_t *netif_mib_rows;
WORD ws_version;
int ws_error;
LPBYTE peb; //scratch pad for getting peb info

217
src/os/win32/win32_sigar.c
View File

@ -341,6 +341,23 @@ static int sigar_dllmod_init(sigar_t *sigar,
return SIGAR_OK;
}
int sigar_wsa_init(sigar_t *sigar)
{
if (sigar->ws_version == 0) {
WSADATA data;
if (WSAStartup(MAKEWORD(2, 0), &data)) {
sigar->ws_error = WSAGetLastError();
WSACleanup();
return sigar->ws_error;
}
sigar->ws_version = data.wVersion;
}
return SIGAR_OK;
}
int sigar_os_open(sigar_t **sigar_ptr)
{
LONG result;
@ -396,6 +413,8 @@ int sigar_os_open(sigar_t **sigar_ptr)
(sigar_dll_module_t *)&sigar->advapi,
FALSE);
sigar->netif_mib_rows = NULL;
sigar->netif_adapters = NULL;
sigar->pinfo.pid = -1;
sigar->ws_version = 0;
sigar->ncpu = 0;
@ -426,6 +445,14 @@ int sigar_os_close(sigar_t *sigar)
WSACleanup();
}
if (sigar->netif_mib_rows) {
sigar_cache_destroy(sigar->netif_mib_rows);
}
if (sigar->netif_adapters) {
sigar_cache_destroy(sigar->netif_adapters);
}
if (sigar->peb) {
free(sigar->peb);
}
@ -1868,6 +1895,53 @@ static int sigar_get_adapters_info(sigar_t *sigar,
}
}
static int sigar_get_adapter_info(sigar_t *sigar,
DWORD index,
IP_ADAPTER_INFO **adapter)
{
sigar_cache_entry_t *entry;
*adapter = NULL;
if (sigar->netif_adapters) {
entry = sigar_cache_get(sigar->netif_adapters, index);
if (entry->value) {
*adapter = (IP_ADAPTER_INFO *)entry->value;
}
}
else {
int status;
IP_ADAPTER_INFO *info;
sigar->netif_adapters = sigar_cache_new(10);
status = sigar_get_adapters_info(sigar, &info);
if (status != SIGAR_OK) {
return status;
}
while (info) {
entry = sigar_cache_get(sigar->netif_adapters,
info->Index);
if (!entry->value) {
entry->value = malloc(sizeof(*info));
}
memcpy(entry->value, info, sizeof(*info));
if (info->Index == index) {
*adapter = info;
}
info = info->Next;
}
}
if (*adapter) {
return SIGAR_OK;
}
else {
return ENOENT;
}
}
SIGAR_DECLARE(int) sigar_net_info_get(sigar_t *sigar,
sigar_net_info_t *netinfo)
{
@ -2039,63 +2113,104 @@ static int get_mib_ifrow(sigar_t *sigar,
const char *name,
MIB_IFROW **ifrp)
{
DWORD rc, i;
MIB_IFTABLE *ift;
MIB_IFROW *ifr;
DWORD lo=0, eth=0;
int status, type, inst;
int status, key;
sigar_cache_entry_t *entry;
if ((status = sigar_get_iftype(name, &type, &inst)) != SIGAR_OK) {
if (!sigar->netif_mib_rows) {
status = sigar_net_interface_list_get(sigar, NULL);
if (status != SIGAR_OK) {
return status;
}
}
key = netif_hash(name);
entry = sigar_cache_get(sigar->netif_mib_rows, key);
if (!entry->value) {
return ENOENT;
}
/* XXX refresh */
*ifrp = (MIB_IFROW *)entry->value;
return SIGAR_OK;
}
static int netif_hash(char *s)
{
int hash = 0;
while (*s) {
hash = 31*hash + *s++;
}
return hash;
}
SIGAR_DECLARE(int)
sigar_net_interface_list_get(sigar_t *sigar,
sigar_net_interface_list_t *iflist)
{
MIB_IFTABLE *ift;
int i, status;
int lo=0, eth=0;
if (!sigar->netif_mib_rows) {
sigar->netif_mib_rows = sigar_cache_new(10);
}
if ((status = sigar_get_if_table(sigar, &ift)) != SIGAR_OK) {
return status;
}
for (i=0; i<ift->dwNumEntries; i++) {
ifr = ift->table + i;
if (!(ifr->dwOperStatus & MIB_IF_OPER_STATUS_OPERATIONAL)) {
continue;
if (iflist) {
iflist->number = 0;
iflist->size = ift->dwNumEntries;
iflist->data =
malloc(sizeof(*(iflist->data)) * iflist->size);
}
for (i=0; i<ift->dwNumEntries; i++) {
char name[16];
int key;
MIB_IFROW *ifr = ift->table + i;
sigar_cache_entry_t *entry;
if (ifr->dwType == MIB_IF_TYPE_LOOPBACK) {
if ((type == IFTYPE_LO) && (inst == lo)) {
break;
sprintf(name, "lo%d", lo++);
}
++lo;
}
else if (ifr->dwType == MIB_IF_TYPE_ETHERNET) {
if ((type == IFTYPE_ETH) && (inst == eth)) {
break;
}
++eth;
else {
sprintf(name, "eth%d", eth++);
}
ifr = NULL;
if (iflist) {
iflist->data[iflist->number++] = strdup(name);
}
if (!ifr) {
return ENOENT;
key = netif_hash(name);
entry = sigar_cache_get(sigar->netif_mib_rows, key);
if (!entry->value) {
entry->value = malloc(sizeof(*ifr));
}
memcpy(entry->value, ifr, sizeof(*ifr));
}
*ifrp = ifr;
return SIGAR_OK;
}
int sigar_get_ifentry_config(sigar_t *sigar,
SIGAR_DECLARE(int)
sigar_net_interface_config_get(sigar_t *sigar,
const char *name,
sigar_net_interface_config_t *ifconfig)
{
MIB_IFROW *ifr;
int status;
status = get_mib_ifrow(sigar, ifconfig->name, &ifr);
status = get_mib_ifrow(sigar, name, &ifr);
if (status != SIGAR_OK) {
return status;
}
SIGAR_ZERO(ifconfig);
SIGAR_SSTRCPY(ifconfig->name, name);
ifconfig->mtu = ifr->dwMtu;
sigar_net_address_mac_set(ifconfig->hwaddr,
@ -2105,6 +2220,54 @@ int sigar_get_ifentry_config(sigar_t *sigar,
SIGAR_SSTRCPY(ifconfig->description,
ifr->bDescr);
if (ifr->dwOperStatus & MIB_IF_OPER_STATUS_OPERATIONAL) {
ifconfig->flags |= SIGAR_IFF_UP|SIGAR_IFF_RUNNING;
}
if (ifr->dwType == MIB_IF_TYPE_LOOPBACK) {
ifconfig->flags |= SIGAR_IFF_LOOPBACK;
sigar_net_address_set(ifconfig->address,
inet_addr("127.0.0.1")); /*XXX*/
sigar_net_address_set(ifconfig->netmask,
inet_addr("255.0.0.0")); /*XXX*/
sigar_net_address_set(ifconfig->destination,
ifconfig->address.addr.in);
sigar_net_address_set(ifconfig->broadcast, 0);
SIGAR_SSTRCPY(ifconfig->type,
SIGAR_NIC_LOOPBACK);
}
else {
IP_ADAPTER_INFO *adapter;
status = sigar_get_adapter_info(sigar,
ifr->dwIndex,
&adapter);
if (status == SIGAR_OK) {
char *addr;
if (adapter->CurrentIpAddress) {
addr = adapter->CurrentIpAddress->IpAddress.String;
sigar_net_address_set(ifconfig->address,
inet_addr(addr));
addr = adapter->CurrentIpAddress->IpMask.String;
sigar_net_address_set(ifconfig->netmask,
inet_addr(addr));
}
else {
addr = adapter->IpAddressList.IpAddress.String;
sigar_net_address_set(ifconfig->address,
inet_addr(addr));
addr = adapter->IpAddressList.IpMask.String;
sigar_net_address_set(ifconfig->netmask,
inet_addr(addr));
}
}
SIGAR_SSTRCPY(ifconfig->type,
SIGAR_NIC_ETHERNET);
}
return SIGAR_OK;
}

369
src/sigar_win32ish.c
View File

@ -1,369 +0,0 @@
/*
* Copyright (C) [2004, 2005, 2006], Hyperic, Inc.
* This file is part of SIGAR.
*
* SIGAR is free software; you can redistribute it and/or modify
* it under the terms version 2 of the GNU General Public License as
* published by the Free Software Foundation. This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*/
#if defined(WIN32) || defined(NETWARE)
#define WIN32_LEAN_AND_MEAN
#include "sigar.h"
#include "sigar_private.h"
#include "sigar_os.h"
#include "sigar_util.h"
#include <errno.h>
#include <windows.h>
#ifdef NETWARE
#include <stdio.h>
#include <novsock2.h>
#include <ws2tcpip.h>
#include <monitor.h>
#endif
int sigar_get_iftype(const char *name, int *type, int *inst)
{
if (strnEQ(name, "eth", IFTYPE_ETH)) {
*type = IFTYPE_ETH;
}
else if (strnEQ(name, "lo", IFTYPE_LO)) {
*type = IFTYPE_LO;
}
else {
return EINVAL;
}
if (isdigit(*(name + *type))) {
*inst = atoi(name + *type);
}
else {
return EINVAL;
}
return SIGAR_OK;
}
#ifdef WIN32
int sigar_wsa_init(sigar_t *sigar)
{
if (sigar->ws_version == 0) {
WSADATA data;
if (WSAStartup(MAKEWORD(2, 0), &data)) {
sigar->ws_error = WSAGetLastError();
WSACleanup();
return sigar->ws_error;
}
sigar->ws_version = data.wVersion;
}
return SIGAR_OK;
}
#include <nb30.h>
static void hwaddr_lookup_netbios(sigar_net_interface_config_t *ifconfig,
int num)
{
NCB ncb;
UCHAR rc;
struct {
ADAPTER_STATUS status;
NAME_BUFFER name[30];
} adapter;
memset(&ncb, 0, sizeof(ncb));
ncb.ncb_command = NCBRESET;
ncb.ncb_lana_num = num;
Netbios(&ncb);
memset(&ncb, 0, sizeof(ncb));
ncb.ncb_command = NCBASTAT;
ncb.ncb_lana_num = num;
/*
* http://msdn.microsoft.com/library/default.asp?url=/library/en-us/netbios/netbios_1l82.asp
* mdsn docs claim this needs to be padded with spaces and
* suggest the following silly code:
* strcpy(ncb.ncb_callname, "* ");
*/
ncb.ncb_callname[0] = '*';
memset(&ncb.ncb_callname[1], ' ',
sizeof(ncb.ncb_callname)-1);
ncb.ncb_callname[sizeof(ncb.ncb_callname)-1] = '\0';
ncb.ncb_buffer = (unsigned char *)&adapter;
ncb.ncb_length = sizeof(adapter);
if ((rc = Netbios(&ncb)) == 0) {
sigar_net_address_mac_set(ifconfig->hwaddr,
adapter.status.adapter_address,
SIGAR_IFHWADDRLEN);
}
else {
sigar_hwaddr_set_null(ifconfig);
}
}
static void hwaddr_lookup(sigar_t *sigar,
sigar_net_interface_config_t *ifconfig,
int num)
{
/* try IFMIB first, fallback on netbios for hwaddr */
if (sigar_get_ifentry_config(sigar, ifconfig) != SIGAR_OK) {
if (ifconfig->flags & SIGAR_IFF_LOOPBACK) {
sigar_hwaddr_set_null(ifconfig);
}
else {
hwaddr_lookup_netbios(ifconfig, num);
}
}
}
#else /* NETWARE */
static void hwaddr_lookup(sigar_t *sigar,
sigar_net_interface_config_t *ifconfig,
int num)
{
uint8_t addr[SIGAR_IFHWADDRLEN];
if (netware_net_macaddr(num+1, addr) == 0) {
sigar_net_address_mac_set(ifconfig->hwaddr,
addr,
sizeof(addr));
}
else {
sigar_hwaddr_set_null(ifconfig);
}
}
#endif /* WIN32 */
static int sigar_ioctl_iflist(sigar_t *sigar,
SOCKET sock,
DWORD *bytes)
{
return WSAIoctl(sock,
SIO_GET_INTERFACE_LIST,
NULL,
0,
(void *)sigar->ifconf_buf,
sigar->ifconf_len,
bytes,
NULL,
NULL);
}
static int get_iflist(sigar_t *sigar, DWORD *bytes)
{
SOCKET sock = INVALID_SOCKET;
int status, rc, limit;
#ifdef WIN32
status = sigar_wsa_init(sigar);
if (status != SIGAR_OK) {
return status;
}
sock = WSASocket(PF_INET, SOCK_RAW, AF_INET, 0, 0, 0);
#else
sock = socket(AF_INET, SOCK_DGRAM, 0);
#endif
if (sock == INVALID_SOCKET) {
return WSAGetLastError();
}
if (sigar->ifconf_len == 0) {
sigar->ifconf_len = 8192;
sigar->ifconf_buf = malloc(sigar->ifconf_len);
}
/*
* XXX We can't tell ahead of time what buffer size is required
* limit just incase.
*/
for (limit=0; limit<100; limit++) {
rc = sigar_ioctl_iflist(sigar, sock, bytes);
if (rc && (WSAGetLastError() == WSAEFAULT)) {
sigar->ifconf_len += (sizeof(INTERFACE_INFO) * 16);
sigar->ifconf_buf = malloc(sigar->ifconf_len);
}
}
status = rc ? WSAGetLastError() : SIGAR_OK;
closesocket(sock);
return status;
}
SIGAR_DECLARE(int)
sigar_net_interface_config_get(sigar_t *sigar,
const char *name,
sigar_net_interface_config_t *ifconfig)
{
DWORD i, num, bytes;
DWORD lo=0, eth=0;
int status, type, inst;
INTERFACE_INFO *if_info = NULL;
u_long flags;
/* win32 lacks socket ioctls to query given interface.
* so we loop through the list to find our made up ifname.
*/
status = get_iflist(sigar, &bytes);
if (status != SIGAR_OK) {
return status;
}
num = bytes / sizeof(INTERFACE_INFO);
if ((status = sigar_get_iftype(name, &type, &inst)) != SIGAR_OK) {
return status;
}
for (i=0; i<num ; i++) {
if_info = ((INTERFACE_INFO *)sigar->ifconf_buf) + i;
if (if_info->iiFlags & IFF_LOOPBACK) {
if ((type == IFTYPE_LO) && (inst == lo)) {
break;
}
++lo;
}
else {
if ((type == IFTYPE_ETH) && (inst == eth)) {
break;
}
++eth;
}
if_info = NULL;
}
if (!if_info) {
return ENOENT;
}
SIGAR_ZERO(ifconfig);
SIGAR_SSTRCPY(ifconfig->name, name);
#define if_s_addr(a) \
((struct sockaddr_in *)&a)->sin_addr.s_addr
sigar_net_address_set(ifconfig->address,
if_s_addr(if_info->iiAddress));
sigar_net_address_set(ifconfig->broadcast,
if_s_addr(if_info->iiBroadcastAddress));
sigar_net_address_set(ifconfig->netmask,
if_s_addr(if_info->iiNetmask));
flags = if_info->iiFlags;
if (flags & IFF_UP) {
ifconfig->flags |= SIGAR_IFF_UP|SIGAR_IFF_RUNNING;
}
if (flags & IFF_BROADCAST) {
ifconfig->flags |= SIGAR_IFF_BROADCAST;
}
if (flags & IFF_LOOPBACK) {
ifconfig->flags |= SIGAR_IFF_LOOPBACK;
sigar_net_address_set(ifconfig->destination,
ifconfig->address.addr.in);
sigar_net_address_set(ifconfig->broadcast, 0);
SIGAR_SSTRCPY(ifconfig->type,
SIGAR_NIC_LOOPBACK);
}
else {
SIGAR_SSTRCPY(ifconfig->type,
SIGAR_NIC_ETHERNET);
}
/* should be overridden w/ better description
* using MIB_IFROW.bDescr when hwaddr is lookedup
*/
SIGAR_SSTRCPY(ifconfig->description,
ifconfig->name);
hwaddr_lookup(sigar, ifconfig, i);
if (flags & IFF_POINTTOPOINT) {
ifconfig->flags |= SIGAR_IFF_POINTOPOINT;
}
if (flags & IFF_MULTICAST) {
ifconfig->flags |= SIGAR_IFF_MULTICAST;
}
return SIGAR_OK;
}
/*
* win32 interface list does not include a name.
* and the name from GetIfList() is the name of card
* including vendor name, etc. so we use 'eth' for ethernet
* interfaces and 'lo' for loopback.
*/
#define ETH "eth"
#define LO "lo"
SIGAR_DECLARE(int)
sigar_net_interface_list_get(sigar_t *sigar,
sigar_net_interface_list_t *iflist)
{
char eth[56], lo[56];
int ethcnt=0, locnt=0;
DWORD i, num, bytes;
int status;
status = get_iflist(sigar, &bytes);
if (status != SIGAR_OK) {
return status;
}
num = bytes / sizeof(INTERFACE_INFO);
iflist->number = 0;
iflist->size = num;
iflist->data =
malloc(sizeof(*(iflist->data)) * iflist->size);
for (i=0; i<num ; i++) {
INTERFACE_INFO *if_info =
((INTERFACE_INFO *)sigar->ifconf_buf) + i;
char *name;
if (if_info->iiFlags & IFF_LOOPBACK) {
sprintf(lo, LO "%d", locnt++);
name = strdup(lo);
}
else {
/* XXX: assuming ethernet here */
sprintf(eth, ETH "%d", ethcnt++);
name = strdup(eth);
}
iflist->data[iflist->number++] = name;
}
return SIGAR_OK;
}
#endif /* WIN32ISH */