xref: /aosp_15_r20/external/libnl/src/nl-list-sockets.c (revision 4dc78e53d49367fa8e61b07018507c90983a077d)
1*4dc78e53SAndroid Build Coastguard Worker /* SPDX-License-Identifier: LGPL-2.1-only */
2*4dc78e53SAndroid Build Coastguard Worker /*
3*4dc78e53SAndroid Build Coastguard Worker  * Copyright (c) 2003-2009 Thomas Graf <[email protected]>
4*4dc78e53SAndroid Build Coastguard Worker  */
5*4dc78e53SAndroid Build Coastguard Worker 
6*4dc78e53SAndroid Build Coastguard Worker #include "nl-default.h"
7*4dc78e53SAndroid Build Coastguard Worker 
8*4dc78e53SAndroid Build Coastguard Worker #include <netlink/cli/utils.h>
9*4dc78e53SAndroid Build Coastguard Worker 
10*4dc78e53SAndroid Build Coastguard Worker #define PROC_NETLINK "/proc/net/netlink"
11*4dc78e53SAndroid Build Coastguard Worker 
main(int argc,char * argv[])12*4dc78e53SAndroid Build Coastguard Worker int main(int argc, char *argv[])
13*4dc78e53SAndroid Build Coastguard Worker {
14*4dc78e53SAndroid Build Coastguard Worker 	FILE *fd;
15*4dc78e53SAndroid Build Coastguard Worker 	char buf[2048], p[64];
16*4dc78e53SAndroid Build Coastguard Worker 
17*4dc78e53SAndroid Build Coastguard Worker 	fd = fopen(PROC_NETLINK, "re");
18*4dc78e53SAndroid Build Coastguard Worker 	if (fd == NULL) {
19*4dc78e53SAndroid Build Coastguard Worker 		perror("fopen");
20*4dc78e53SAndroid Build Coastguard Worker 		return -1;
21*4dc78e53SAndroid Build Coastguard Worker 	}
22*4dc78e53SAndroid Build Coastguard Worker 
23*4dc78e53SAndroid Build Coastguard Worker 	printf("Address            Family           PID    Groups   rmem   "
24*4dc78e53SAndroid Build Coastguard Worker 	       "wmem   CB         refcnt\n");
25*4dc78e53SAndroid Build Coastguard Worker 
26*4dc78e53SAndroid Build Coastguard Worker 	while (fgets(buf, sizeof(buf), fd)) {
27*4dc78e53SAndroid Build Coastguard Worker 		unsigned long sk, cb;
28*4dc78e53SAndroid Build Coastguard Worker 		int ret, proto, pid, rmem, wmem, refcnt;
29*4dc78e53SAndroid Build Coastguard Worker 		unsigned int groups;
30*4dc78e53SAndroid Build Coastguard Worker 
31*4dc78e53SAndroid Build Coastguard Worker 		ret = sscanf(buf, "%lx %d %d %08x %d %d %lx %d\n",
32*4dc78e53SAndroid Build Coastguard Worker 			     &sk, &proto, &pid, &groups, &rmem, &wmem,
33*4dc78e53SAndroid Build Coastguard Worker 			     &cb, &refcnt);
34*4dc78e53SAndroid Build Coastguard Worker 		if (ret != 8)
35*4dc78e53SAndroid Build Coastguard Worker 			continue;
36*4dc78e53SAndroid Build Coastguard Worker 
37*4dc78e53SAndroid Build Coastguard Worker 		printf("0x%016lx %-16s %-6d %08x %-6d %-6d 0x%08lx %d\n",
38*4dc78e53SAndroid Build Coastguard Worker 			sk, nl_nlfamily2str(proto, p, sizeof(p)), pid,
39*4dc78e53SAndroid Build Coastguard Worker 			groups, rmem, wmem, cb, refcnt);
40*4dc78e53SAndroid Build Coastguard Worker 	}
41*4dc78e53SAndroid Build Coastguard Worker 
42*4dc78e53SAndroid Build Coastguard Worker 	fclose(fd);
43*4dc78e53SAndroid Build Coastguard Worker 
44*4dc78e53SAndroid Build Coastguard Worker 	return 0;
45*4dc78e53SAndroid Build Coastguard Worker }
46