mirror of
https://github.com/checkpoint-restore/criu.git
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39 lines
909 B
C
39 lines
909 B
C
#include <linux/types.h>
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#include <linux/netlink.h>
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#include <string.h>
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#include "libnetlink.h"
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#include "util.h"
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int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len)
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{
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memset(tb, 0, sizeof(struct rtattr *) * (max + 1));
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while (RTA_OK(rta, len)) {
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if ((rta->rta_type <= max) && (!tb[rta->rta_type]))
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tb[rta->rta_type] = rta;
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rta = RTA_NEXT(rta,len);
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}
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if (len)
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pr_warning("Trimmed RTA: len %d, rta_len %d\n", len, rta->rta_len);
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return 0;
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}
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int nlmsg_receive(char *buf, int len, int (*cb)(struct nlmsghdr *))
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{
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struct nlmsghdr *hdr;
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for (hdr = (struct nlmsghdr *)buf; NLMSG_OK(hdr, len); hdr = NLMSG_NEXT(hdr, len)) {
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if (hdr->nlmsg_seq != CR_NLMSG_SEQ)
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continue;
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if (hdr->nlmsg_type == NLMSG_DONE)
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return 0;
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if (hdr->nlmsg_type == NLMSG_ERROR) {
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pr_err("Error getting scokets list\n");
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return -1;
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}
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if (cb(hdr))
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return -1;
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}
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return 1;
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}
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