mirror of
https://github.com/samsonjs/arq_restore.git
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81 lines
2.8 KiB
Objective-C
81 lines
2.8 KiB
Objective-C
/*
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Copyright (c) 2009-2017, Haystack Software LLC https://www.arqbackup.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the names of PhotoMinds LLC or Haystack Software, nor the names of
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their contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/sysctl.h>
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#include <netinet/in.h>
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#include <net/if.h>
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#include <net/route.h>
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#import "Sysctl.h"
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@implementation Sysctl
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+ (BOOL)networkBytesIn:(unsigned long long *)bytesIn bytesOut:(unsigned long long *)bytesOut error:(NSError **)error {
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int mib[] = {
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CTL_NET,
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PF_ROUTE,
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0,
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0,
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NET_RT_IFLIST2,
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0
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};
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size_t len;
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if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) {
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int errnum = errno;
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SETNSERROR(@"UnixErrorDomain", errnum, @"sysctl: %s", strerror(errnum));
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return NO;
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}
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char *buf = (char *)malloc(len);
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if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
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free(buf);
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int errnum = errno;
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SETNSERROR(@"UnixErrorDomain", errnum, @"sysctl: %s", strerror(errnum));
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return NO;
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}
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char *lim = buf + len;
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char *next = NULL;
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*bytesIn = 0;
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*bytesOut = 0;
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for (next = buf; next < lim; ) {
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struct if_msghdr *ifm = (struct if_msghdr *)next;
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next += ifm->ifm_msglen;
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if (ifm->ifm_type == RTM_IFINFO2) {
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struct if_msghdr2 *if2m = (struct if_msghdr2 *)ifm;
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*bytesIn += if2m->ifm_data.ifi_ibytes;
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*bytesOut += if2m->ifm_data.ifi_obytes;
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}
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}
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free(buf);
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return YES;
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}
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@end
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