877 lines
24 KiB
C
877 lines
24 KiB
C
/* Copyright (C) 2003 Juan Lang
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* This file implements statistics getting using the /proc filesystem exported
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* by Linux, and maybe other OSes.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#ifdef HAVE_ARPA_INET_H
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#include <arpa/inet.h>
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#endif
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#if HAVE_NET_IF_H
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#include <net/if.h>
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#endif
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#if HAVE_NET_IF_ARP_H
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#include <net/if_arp.h>
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#endif
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#if HAVE_NETINET_TCP_H
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#include <netinet/tcp.h>
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#endif
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#if HAVE_NETINET_TCP_FSM_H
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#include <netinet/tcp_fsm.h>
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#endif
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#include "winbase.h"
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#include "iprtrmib.h"
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#include "ifenum.h"
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#include "ipstats.h"
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#ifndef TCPS_ESTABLISHED
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# define TCPS_ESTABLISHED TCP_ESTABLISHED
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#endif
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#ifndef TCPS_SYN_SENT
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# define TCPS_SYN_SENT TCP_SYN_SENT
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#endif
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#ifndef TCPS_SYN_RECEIVED
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# define TCPS_SYN_RECEIVED TCP_SYN_RECV
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#endif
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#ifndef TCPS_FIN_WAIT_1
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# define TCPS_FIN_WAIT_1 TCP_FIN_WAIT1
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#endif
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#ifndef TCPS_FIN_WAIT_2
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# define TCPS_FIN_WAIT_2 TCP_FIN_WAIT2
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#endif
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#ifndef TCPS_TIME_WAIT
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# define TCPS_TIME_WAIT TCP_TIME_WAIT
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#endif
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#ifndef TCPS_CLOSED
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# define TCPS_CLOSED TCP_CLOSE
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#endif
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#ifndef TCPS_CLOSE_WAIT
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# define TCPS_CLOSE_WAIT TCP_CLOSE_WAIT
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#endif
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#ifndef TCPS_LAST_ACK
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# define TCPS_LAST_ACK TCP_LAST_ACK
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#endif
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#ifndef TCPS_LISTEN
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# define TCPS_LISTEN TCP_LISTEN
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#endif
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#ifndef TCPS_CLOSING
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# define TCPS_CLOSING TCP_CLOSING
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#endif
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DWORD getInterfaceStatsByName(const char *name, PMIB_IFROW entry)
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{
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FILE *fp;
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if (!name)
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return ERROR_INVALID_PARAMETER;
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if (!entry)
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return ERROR_INVALID_PARAMETER;
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/* get interface stats from /proc/net/dev, no error if can't
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no inUnknownProtos, outNUcastPkts, outQLen */
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fp = fopen("/proc/net/dev", "r");
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if (fp) {
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char buf[512] = { 0 }, *ptr;
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int nameLen = strlen(name), nameFound = 0;
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ptr = fgets(buf, sizeof(buf), fp);
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while (ptr && !nameFound) {
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while (*ptr && isspace(*ptr))
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ptr++;
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if (strncasecmp(ptr, name, nameLen) == 0 && *(ptr + nameLen) == ':')
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nameFound = 1;
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else
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ptr = fgets(buf, sizeof(buf), fp);
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}
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if (nameFound) {
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char *endPtr;
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ptr += nameLen + 1;
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if (ptr && *ptr) {
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entry->dwInOctets = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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entry->dwInUcastPkts = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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entry->dwInErrors = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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entry->dwInDiscards = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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strtoul(ptr, &endPtr, 10); /* skip */
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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strtoul(ptr, &endPtr, 10); /* skip */
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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strtoul(ptr, &endPtr, 10); /* skip */
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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entry->dwInNUcastPkts = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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entry->dwOutOctets = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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entry->dwOutUcastPkts = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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entry->dwOutErrors = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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entry->dwOutDiscards = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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}
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fclose(fp);
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}
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return NO_ERROR;
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}
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DWORD getICMPStats(MIB_ICMP *stats)
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{
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FILE *fp;
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if (!stats)
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return ERROR_INVALID_PARAMETER;
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memset(stats, 0, sizeof(MIB_ICMP));
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/* get most of these stats from /proc/net/snmp, no error if can't */
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fp = fopen("/proc/net/snmp", "r");
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if (fp) {
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const char hdr[] = "Icmp:";
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char buf[512] = { 0 }, *ptr;
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do {
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ptr = fgets(buf, sizeof(buf), fp);
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} while (ptr && strncasecmp(buf, hdr, sizeof(hdr) - 1));
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if (ptr) {
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/* last line was a header, get another */
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ptr = fgets(buf, sizeof(buf), fp);
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if (ptr && strncasecmp(buf, hdr, sizeof(hdr) - 1) == 0) {
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char *endPtr;
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ptr += sizeof(hdr);
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if (ptr && *ptr) {
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stats->stats.icmpInStats.dwMsgs = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpInStats.dwErrors = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpInStats.dwDestUnreachs = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpInStats.dwTimeExcds = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpInStats.dwParmProbs = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpInStats.dwSrcQuenchs = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpInStats.dwRedirects = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpInStats.dwEchoReps = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpInStats.dwTimestamps = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpInStats.dwTimestampReps = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpInStats.dwAddrMasks = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpInStats.dwAddrMaskReps = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpOutStats.dwMsgs = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpOutStats.dwErrors = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpOutStats.dwDestUnreachs = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpOutStats.dwTimeExcds = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpOutStats.dwParmProbs = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpOutStats.dwSrcQuenchs = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpOutStats.dwRedirects = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpOutStats.dwEchoReps = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpOutStats.dwTimestamps = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpOutStats.dwTimestampReps = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpOutStats.dwAddrMasks = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->stats.icmpOutStats.dwAddrMaskReps = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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}
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}
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fclose(fp);
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}
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return NO_ERROR;
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}
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DWORD getIPStats(PMIB_IPSTATS stats)
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{
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FILE *fp;
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if (!stats)
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return ERROR_INVALID_PARAMETER;
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memset(stats, 0, sizeof(MIB_IPSTATS));
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stats->dwNumIf = stats->dwNumAddr = getNumInterfaces();
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stats->dwNumRoutes = getNumRoutes();
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/* get most of these stats from /proc/net/snmp, no error if can't */
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fp = fopen("/proc/net/snmp", "r");
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if (fp) {
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const char hdr[] = "Ip:";
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char buf[512] = { 0 }, *ptr;
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do {
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ptr = fgets(buf, sizeof(buf), fp);
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} while (ptr && strncasecmp(buf, hdr, sizeof(hdr) - 1));
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if (ptr) {
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/* last line was a header, get another */
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ptr = fgets(buf, sizeof(buf), fp);
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if (ptr && strncasecmp(buf, hdr, sizeof(hdr) - 1) == 0) {
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char *endPtr;
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ptr += sizeof(hdr);
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if (ptr && *ptr) {
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stats->dwForwarding = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwDefaultTTL = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwInReceives = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwInHdrErrors = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwInAddrErrors = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwForwDatagrams = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwInUnknownProtos = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwInDiscards = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwInDelivers = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwOutRequests = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwOutDiscards = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwOutNoRoutes = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwReasmTimeout = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwReasmReqds = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwReasmOks = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwReasmFails = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwFragOks = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwFragFails = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwFragCreates = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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/* hmm, no routingDiscards */
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}
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}
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fclose(fp);
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}
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return NO_ERROR;
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}
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DWORD getTCPStats(MIB_TCPSTATS *stats)
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{
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FILE *fp;
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if (!stats)
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return ERROR_INVALID_PARAMETER;
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memset(stats, 0, sizeof(MIB_TCPSTATS));
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/* get from /proc/net/snmp, no error if can't */
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fp = fopen("/proc/net/snmp", "r");
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if (fp) {
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const char hdr[] = "Tcp:";
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char buf[512] = { 0 }, *ptr;
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do {
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ptr = fgets(buf, sizeof(buf), fp);
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} while (ptr && strncasecmp(buf, hdr, sizeof(hdr) - 1));
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if (ptr) {
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/* last line was a header, get another */
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ptr = fgets(buf, sizeof(buf), fp);
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if (ptr && strncasecmp(buf, hdr, sizeof(hdr) - 1) == 0) {
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char *endPtr;
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ptr += sizeof(hdr);
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if (ptr && *ptr) {
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stats->dwRtoAlgorithm = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwRtoMin = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwRtoMin = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwMaxConn = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwActiveOpens = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwPassiveOpens = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwAttemptFails = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwEstabResets = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwCurrEstab = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwInSegs = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwOutSegs = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwRetransSegs = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwInErrs = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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if (ptr && *ptr) {
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stats->dwOutRsts = strtoul(ptr, &endPtr, 10);
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ptr = endPtr;
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}
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stats->dwNumConns = getNumTcpEntries();
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}
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}
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fclose(fp);
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}
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return NO_ERROR;
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}
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DWORD getUDPStats(MIB_UDPSTATS *stats)
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{
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FILE *fp;
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if (!stats)
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return ERROR_INVALID_PARAMETER;
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|
memset(stats, 0, sizeof(MIB_UDPSTATS));
|
|
|
|
/* get from /proc/net/snmp, no error if can't */
|
|
fp = fopen("/proc/net/snmp", "r");
|
|
if (fp) {
|
|
const char hdr[] = "Udp:";
|
|
char buf[512] = { 0 }, *ptr;
|
|
|
|
|
|
do {
|
|
ptr = fgets(buf, sizeof(buf), fp);
|
|
} while (ptr && strncasecmp(buf, hdr, sizeof(hdr) - 1));
|
|
if (ptr) {
|
|
/* last line was a header, get another */
|
|
ptr = fgets(buf, sizeof(buf), fp);
|
|
if (ptr && strncasecmp(buf, hdr, sizeof(hdr) - 1) == 0) {
|
|
char *endPtr;
|
|
|
|
ptr += sizeof(hdr);
|
|
if (ptr && *ptr) {
|
|
stats->dwInDatagrams = strtoul(ptr, &endPtr, 10);
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
stats->dwNoPorts = strtoul(ptr, &endPtr, 10);
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
stats->dwInErrors = strtoul(ptr, &endPtr, 10);
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
stats->dwOutDatagrams = strtoul(ptr, &endPtr, 10);
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
stats->dwNumAddrs = strtoul(ptr, &endPtr, 10);
|
|
ptr = endPtr;
|
|
}
|
|
}
|
|
}
|
|
fclose(fp);
|
|
}
|
|
return NO_ERROR;
|
|
}
|
|
|
|
static DWORD getNumWithOneHeader(const char *filename)
|
|
{
|
|
FILE *fp;
|
|
int ret = 0;
|
|
|
|
fp = fopen(filename, "r");
|
|
if (fp) {
|
|
char buf[512] = { 0 }, *ptr;
|
|
|
|
|
|
ptr = fgets(buf, sizeof(buf), fp);
|
|
if (ptr) {
|
|
do {
|
|
ptr = fgets(buf, sizeof(buf), fp);
|
|
if (ptr)
|
|
ret++;
|
|
} while (ptr);
|
|
}
|
|
fclose(fp);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
DWORD getNumRoutes(void)
|
|
{
|
|
return getNumWithOneHeader("/proc/net/route");
|
|
}
|
|
|
|
RouteTable *getRouteTable(void)
|
|
{
|
|
DWORD numRoutes = getNumRoutes();
|
|
RouteTable *ret;
|
|
|
|
ret = (RouteTable *)calloc(1, sizeof(RouteTable) +
|
|
(numRoutes - 1) * sizeof(RouteEntry));
|
|
if (ret) {
|
|
FILE *fp;
|
|
|
|
/* get from /proc/net/route, no error if can't */
|
|
fp = fopen("/proc/net/route", "r");
|
|
if (fp) {
|
|
char buf[512] = { 0 }, *ptr;
|
|
|
|
/* skip header line */
|
|
ptr = fgets(buf, sizeof(buf), fp);
|
|
while (ptr && ret->numRoutes < numRoutes) {
|
|
ptr = fgets(buf, sizeof(buf), fp);
|
|
if (ptr) {
|
|
DWORD index;
|
|
|
|
while (!isspace(*ptr))
|
|
ptr++;
|
|
*ptr = '\0';
|
|
ptr++;
|
|
if (getInterfaceIndexByName(buf, &index) == NO_ERROR) {
|
|
char *endPtr;
|
|
|
|
ret->routes[ret->numRoutes].ifIndex = index;
|
|
if (*ptr) {
|
|
ret->routes[ret->numRoutes].dest = strtoul(ptr, &endPtr, 16);
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
ret->routes[ret->numRoutes].gateway = strtoul(ptr, &endPtr, 16);
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
strtoul(ptr, &endPtr, 16); /* flags, skip */
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
strtoul(ptr, &endPtr, 16); /* refcount, skip */
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
strtoul(ptr, &endPtr, 16); /* use, skip */
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
ret->routes[ret->numRoutes].metric = strtoul(ptr, &endPtr, 16);
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
ret->routes[ret->numRoutes].mask = strtoul(ptr, &endPtr, 16);
|
|
ptr = endPtr;
|
|
}
|
|
ret->numRoutes++;
|
|
}
|
|
}
|
|
}
|
|
fclose(fp);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
DWORD getNumArpEntries(void)
|
|
{
|
|
return getNumWithOneHeader("/proc/net/arp");
|
|
}
|
|
|
|
PMIB_IPNETTABLE getArpTable(void)
|
|
{
|
|
DWORD numEntries = getNumArpEntries();
|
|
PMIB_IPNETTABLE ret;
|
|
|
|
ret = (PMIB_IPNETTABLE)calloc(1, sizeof(MIB_IPNETTABLE) +
|
|
(numEntries - 1) * sizeof(MIB_IPNETROW));
|
|
if (ret) {
|
|
FILE *fp;
|
|
|
|
/* get from /proc/net/arp, no error if can't */
|
|
fp = fopen("/proc/net/arp", "r");
|
|
if (fp) {
|
|
char buf[512] = { 0 }, *ptr;
|
|
|
|
/* skip header line */
|
|
ptr = fgets(buf, sizeof(buf), fp);
|
|
while (ptr && ret->dwNumEntries < numEntries) {
|
|
ptr = fgets(buf, sizeof(buf), fp);
|
|
if (ptr) {
|
|
char *endPtr;
|
|
|
|
ret->table[ret->dwNumEntries].dwAddr = inet_addr(ptr);
|
|
while (ptr && *ptr && !isspace(*ptr))
|
|
ptr++;
|
|
|
|
if (ptr && *ptr) {
|
|
strtoul(ptr, &endPtr, 16); /* hw type (skip) */
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
DWORD flags = strtoul(ptr, &endPtr, 16);
|
|
|
|
if (flags & ATF_COM)
|
|
ret->table[ret->dwNumEntries].dwType = MIB_IPNET_TYPE_DYNAMIC;
|
|
else if (flags & ATF_PERM)
|
|
ret->table[ret->dwNumEntries].dwType = MIB_IPNET_TYPE_STATIC;
|
|
else
|
|
ret->table[ret->dwNumEntries].dwType = MIB_IPNET_TYPE_OTHER;
|
|
|
|
ptr = endPtr;
|
|
}
|
|
while (ptr && *ptr && isspace(*ptr))
|
|
ptr++;
|
|
while (ptr && *ptr && !isspace(*ptr)) {
|
|
DWORD byte = strtoul(ptr, &endPtr, 16);
|
|
|
|
if (endPtr && *endPtr) {
|
|
endPtr++;
|
|
ret->table[ret->dwNumEntries].bPhysAddr[
|
|
ret->table[ret->dwNumEntries].dwPhysAddrLen++] = byte & 0x0ff;
|
|
}
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
strtoul(ptr, &endPtr, 16); /* mask (skip) */
|
|
ptr = endPtr;
|
|
}
|
|
getInterfaceIndexByName(ptr, &ret->table[ret->dwNumEntries].dwIndex);
|
|
ret->dwNumEntries++;
|
|
}
|
|
}
|
|
fclose(fp);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
DWORD getNumUdpEntries(void)
|
|
{
|
|
return getNumWithOneHeader("/proc/net/udp");
|
|
}
|
|
|
|
PMIB_UDPTABLE getUdpTable(void)
|
|
{
|
|
DWORD numEntries = getNumUdpEntries();
|
|
PMIB_UDPTABLE ret;
|
|
|
|
ret = (PMIB_UDPTABLE)calloc(1, sizeof(MIB_UDPTABLE) +
|
|
(numEntries - 1) * sizeof(MIB_UDPROW));
|
|
if (ret) {
|
|
FILE *fp;
|
|
|
|
/* get from /proc/net/udp, no error if can't */
|
|
fp = fopen("/proc/net/udp", "r");
|
|
if (fp) {
|
|
char buf[512] = { 0 }, *ptr;
|
|
|
|
/* skip header line */
|
|
ptr = fgets(buf, sizeof(buf), fp);
|
|
while (ptr && ret->dwNumEntries < numEntries) {
|
|
ptr = fgets(buf, sizeof(buf), fp);
|
|
if (ptr) {
|
|
char *endPtr;
|
|
|
|
if (ptr && *ptr) {
|
|
strtoul(ptr, &endPtr, 16); /* skip */
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
ptr++;
|
|
ret->table[ret->dwNumEntries].dwLocalAddr = strtoul(ptr, &endPtr,
|
|
16);
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
ptr++;
|
|
ret->table[ret->dwNumEntries].dwLocalPort = strtoul(ptr, &endPtr,
|
|
16);
|
|
ptr = endPtr;
|
|
}
|
|
ret->dwNumEntries++;
|
|
}
|
|
}
|
|
fclose(fp);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
DWORD getNumTcpEntries(void)
|
|
{
|
|
return getNumWithOneHeader("/proc/net/tcp");
|
|
}
|
|
|
|
PMIB_TCPTABLE getTcpTable(void)
|
|
{
|
|
DWORD numEntries = getNumTcpEntries();
|
|
PMIB_TCPTABLE ret;
|
|
|
|
ret = (PMIB_TCPTABLE)calloc(1, sizeof(MIB_TCPTABLE) +
|
|
(numEntries - 1) * sizeof(MIB_TCPROW));
|
|
if (ret) {
|
|
FILE *fp;
|
|
|
|
/* get from /proc/net/tcp, no error if can't */
|
|
fp = fopen("/proc/net/tcp", "r");
|
|
if (fp) {
|
|
char buf[512] = { 0 }, *ptr;
|
|
|
|
/* skip header line */
|
|
ptr = fgets(buf, sizeof(buf), fp);
|
|
while (ptr && ret->dwNumEntries < numEntries) {
|
|
ptr = fgets(buf, sizeof(buf), fp);
|
|
if (ptr) {
|
|
char *endPtr;
|
|
|
|
while (ptr && *ptr && *ptr != ':')
|
|
ptr++;
|
|
if (ptr && *ptr)
|
|
ptr++;
|
|
if (ptr && *ptr) {
|
|
ret->table[ret->dwNumEntries].dwLocalAddr = strtoul(ptr, &endPtr,
|
|
16);
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
ptr++;
|
|
ret->table[ret->dwNumEntries].dwLocalPort = strtoul(ptr, &endPtr,
|
|
16);
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
ret->table[ret->dwNumEntries].dwRemoteAddr = strtoul(ptr, &endPtr,
|
|
16);
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
ptr++;
|
|
ret->table[ret->dwNumEntries].dwRemotePort = strtoul(ptr, &endPtr,
|
|
16);
|
|
ptr = endPtr;
|
|
}
|
|
if (ptr && *ptr) {
|
|
DWORD state = strtoul(ptr, &endPtr, 16);
|
|
|
|
switch (state)
|
|
{
|
|
case TCPS_ESTABLISHED:
|
|
ret->table[ret->dwNumEntries].dwState = MIB_TCP_STATE_ESTAB;
|
|
break;
|
|
case TCPS_SYN_SENT:
|
|
ret->table[ret->dwNumEntries].dwState = MIB_TCP_STATE_SYN_SENT;
|
|
break;
|
|
case TCPS_SYN_RECEIVED:
|
|
ret->table[ret->dwNumEntries].dwState = MIB_TCP_STATE_SYN_RCVD;
|
|
break;
|
|
case TCPS_FIN_WAIT_1:
|
|
ret->table[ret->dwNumEntries].dwState = MIB_TCP_STATE_FIN_WAIT1;
|
|
break;
|
|
case TCPS_FIN_WAIT_2:
|
|
ret->table[ret->dwNumEntries].dwState = MIB_TCP_STATE_FIN_WAIT2;
|
|
break;
|
|
case TCPS_TIME_WAIT:
|
|
ret->table[ret->dwNumEntries].dwState = MIB_TCP_STATE_TIME_WAIT;
|
|
break;
|
|
case TCPS_CLOSED:
|
|
ret->table[ret->dwNumEntries].dwState = MIB_TCP_STATE_CLOSED;
|
|
break;
|
|
case TCPS_CLOSE_WAIT:
|
|
ret->table[ret->dwNumEntries].dwState =
|
|
MIB_TCP_STATE_CLOSE_WAIT;
|
|
break;
|
|
case TCPS_LAST_ACK:
|
|
ret->table[ret->dwNumEntries].dwState = MIB_TCP_STATE_LAST_ACK;
|
|
break;
|
|
case TCPS_LISTEN:
|
|
ret->table[ret->dwNumEntries].dwState = MIB_TCP_STATE_LISTEN;
|
|
break;
|
|
case TCPS_CLOSING:
|
|
ret->table[ret->dwNumEntries].dwState = MIB_TCP_STATE_CLOSING;
|
|
break;
|
|
}
|
|
ptr = endPtr;
|
|
}
|
|
ret->dwNumEntries++;
|
|
}
|
|
}
|
|
fclose(fp);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|