C++ duparg函数代码示例

本文整理汇总了C++中duparg函数的典型用法代码示例。如果您正苦于以下问题：C++ duparg函数的具体用法？C++ duparg怎么用？C++ duparg使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了duparg函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: iplink_parse

int iplink_parse(int argc, char **argv, struct iplink_req *req,
		char **name, char **type, char **link, char **dev)
{
	int ret, len;
	char abuf[32];
	int qlen = -1;
	int mtu = -1;
	int netns = -1;
	int vf = -1;

	ret = argc;

	while (argc > 0) {
		if (strcmp(*argv, "up") == 0) {
			req->i.ifi_change |= IFF_UP;
			req->i.ifi_flags |= IFF_UP;
		} else if (strcmp(*argv, "down") == 0) {
			req->i.ifi_change |= IFF_UP;
			req->i.ifi_flags &= ~IFF_UP;
		} else if (strcmp(*argv, "name") == 0) {
			NEXT_ARG();
			*name = *argv;
		} else if (matches(*argv, "link") == 0) {
			NEXT_ARG();
			*link = *argv;
		} else if (matches(*argv, "address") == 0) {
			NEXT_ARG();
			len = ll_addr_a2n(abuf, sizeof(abuf), *argv);
			if (len < 0)
				return -1;
			addattr_l(&req->n, sizeof(*req), IFLA_ADDRESS, abuf, len);
		} else if (matches(*argv, "broadcast") == 0 ||
				strcmp(*argv, "brd") == 0) {
			NEXT_ARG();
			len = ll_addr_a2n(abuf, sizeof(abuf), *argv);
			if (len < 0)
				return -1;
			addattr_l(&req->n, sizeof(*req), IFLA_BROADCAST, abuf, len);
		} else if (matches(*argv, "txqueuelen") == 0 ||
				strcmp(*argv, "qlen") == 0 ||
				matches(*argv, "txqlen") == 0) {
			NEXT_ARG();
			if (qlen != -1)
				duparg("txqueuelen", *argv);
			if (get_integer(&qlen,  *argv, 0))
				invarg("Invalid \"txqueuelen\" value\n", *argv);
			addattr_l(&req->n, sizeof(*req), IFLA_TXQLEN, &qlen, 4);
		} else if (strcmp(*argv, "mtu") == 0) {
			NEXT_ARG();
			if (mtu != -1)
				duparg("mtu", *argv);
			if (get_integer(&mtu, *argv, 0))
				invarg("Invalid \"mtu\" value\n", *argv);
			addattr_l(&req->n, sizeof(*req), IFLA_MTU, &mtu, 4);
                } else if (strcmp(*argv, "netns") == 0) {
                        NEXT_ARG();
                        if (netns != -1)
                                duparg("netns", *argv);
                        if (get_integer(&netns, *argv, 0))
                                invarg("Invalid \"netns\" value\n", *argv);
                        addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_PID, &netns, 4);
		} else if (strcmp(*argv, "multicast") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_MULTICAST;
			if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags |= IFF_MULTICAST;
			} else if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags &= ~IFF_MULTICAST;
			} else
				return on_off("multicast");
		} else if (strcmp(*argv, "allmulticast") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_ALLMULTI;
			if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags |= IFF_ALLMULTI;
			} else if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags &= ~IFF_ALLMULTI;
			} else
				return on_off("allmulticast");
		} else if (strcmp(*argv, "multipath") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_NOMULTIPATH;
			req->i.ifi_change |= IFF_MPBACKUP;
			req->i.ifi_change |= IFF_MPHANDOVER;
			if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags &= ~IFF_NOMULTIPATH;
				req->i.ifi_flags &= ~IFF_MPBACKUP;
				req->i.ifi_flags &= ~IFF_MPHANDOVER;
			} else if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags |= IFF_NOMULTIPATH;
			} else if (strcmp(*argv, "backup") == 0) {
				req->i.ifi_flags &= ~IFF_NOMULTIPATH;
				req->i.ifi_flags |= IFF_MPBACKUP;
			} else if (strcmp(*argv, "handover") == 0) {
				req->i.ifi_flags &= ~IFF_NOMULTIPATH;
				req->i.ifi_flags |= IFF_MPHANDOVER;
			} else {
				fprintf(stderr, "Error: argument of \"multipath\" must be"
						"\"on\", \"off\", \"backup\" or \"handover\"\n");
				return -1;
//.........这里部分代码省略.........

开发者ID:mptcp-arndale，项目名称:android_external_iproute2，代码行数:101，代码来源:iplink.c

示例2: xfrm_state_modify

static int xfrm_state_modify(int cmd, unsigned flags, int argc, char **argv)
{
	struct rtnl_handle rth;
	struct {
		struct nlmsghdr 	n;
		struct xfrm_usersa_info xsinfo;
		char   			buf[RTA_BUF_SIZE];
	} req;
	struct xfrm_replay_state replay;
	char *idp = NULL;
	char *aeadop = NULL;
	char *ealgop = NULL;
	char *aalgop = NULL;
	char *calgop = NULL;
	char *coap = NULL;
	char *sctxp = NULL;
	struct xfrm_mark mark = {0, 0};
	struct {
		struct xfrm_user_sec_ctx sctx;
		char    str[CTX_BUF_SIZE];
	} ctx;

	memset(&req, 0, sizeof(req));
	memset(&replay, 0, sizeof(replay));
	memset(&ctx, 0, sizeof(ctx));

	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xsinfo));
	req.n.nlmsg_flags = NLM_F_REQUEST|flags;
	req.n.nlmsg_type = cmd;
	req.xsinfo.family = preferred_family;

	req.xsinfo.lft.soft_byte_limit = XFRM_INF;
	req.xsinfo.lft.hard_byte_limit = XFRM_INF;
	req.xsinfo.lft.soft_packet_limit = XFRM_INF;
	req.xsinfo.lft.hard_packet_limit = XFRM_INF;

	while (argc > 0) {
		if (strcmp(*argv, "mode") == 0) {
			NEXT_ARG();
			xfrm_mode_parse(&req.xsinfo.mode, &argc, &argv);
		} else if (strcmp(*argv, "mark") == 0) {
			xfrm_parse_mark(&mark, &argc, &argv);
		} else if (strcmp(*argv, "reqid") == 0) {
			NEXT_ARG();
			xfrm_reqid_parse(&req.xsinfo.reqid, &argc, &argv);
		} else if (strcmp(*argv, "seq") == 0) {
			NEXT_ARG();
			xfrm_seq_parse(&req.xsinfo.seq, &argc, &argv);
		} else if (strcmp(*argv, "replay-window") == 0) {
			NEXT_ARG();
			if (get_u8(&req.xsinfo.replay_window, *argv, 0))
				invarg("\"replay-window\" value is invalid", *argv);
		} else if (strcmp(*argv, "replay-seq") == 0) {
			NEXT_ARG();
			if (get_u32(&replay.seq, *argv, 0))
				invarg("\"replay-seq\" value is invalid", *argv);
		} else if (strcmp(*argv, "replay-oseq") == 0) {
			NEXT_ARG();
			if (get_u32(&replay.oseq, *argv, 0))
				invarg("\"replay-oseq\" value is invalid", *argv);
		} else if (strcmp(*argv, "flag") == 0) {
			NEXT_ARG();
			xfrm_state_flag_parse(&req.xsinfo.flags, &argc, &argv);
		} else if (strcmp(*argv, "sel") == 0) {
			NEXT_ARG();
			xfrm_selector_parse(&req.xsinfo.sel, &argc, &argv);
		} else if (strcmp(*argv, "limit") == 0) {
			NEXT_ARG();
			xfrm_lifetime_cfg_parse(&req.xsinfo.lft, &argc, &argv);
		} else if (strcmp(*argv, "encap") == 0) {
			struct xfrm_encap_tmpl encap;
			inet_prefix oa;
		        NEXT_ARG();
			xfrm_encap_type_parse(&encap.encap_type, &argc, &argv);
			NEXT_ARG();
			if (get_u16(&encap.encap_sport, *argv, 0))
				invarg("\"encap\" sport value is invalid", *argv);
			encap.encap_sport = htons(encap.encap_sport);
			NEXT_ARG();
			if (get_u16(&encap.encap_dport, *argv, 0))
				invarg("\"encap\" dport value is invalid", *argv);
			encap.encap_dport = htons(encap.encap_dport);
			NEXT_ARG();
			get_addr(&oa, *argv, AF_UNSPEC);
			memcpy(&encap.encap_oa, &oa.data, sizeof(encap.encap_oa));
			addattr_l(&req.n, sizeof(req.buf), XFRMA_ENCAP,
				  (void *)&encap, sizeof(encap));
		} else if (strcmp(*argv, "coa") == 0) {
			inet_prefix coa;
			xfrm_address_t xcoa;

			if (coap)
				duparg("coa", *argv);
			coap = *argv;

			NEXT_ARG();

			get_prefix(&coa, *argv, preferred_family);
			if (coa.family == AF_UNSPEC)
				invarg("\"coa\" address family is AF_UNSPEC", *argv);
//.........这里部分代码省略.........

开发者ID:qtekfun，项目名称:htcDesire820Kernel，代码行数:101，代码来源:xfrm_state.c

示例3: iplink_parse

int iplink_parse(int argc, char **argv, struct iplink_req *req,
		char **name, char **type, char **link, char **dev, int *group, int *index)
{
	int ret, len;
	char abuf[32];
	int qlen = -1;
	int mtu = -1;
	int netns = -1;
	int vf = -1;
	int numtxqueues = -1;
	int numrxqueues = -1;
	int dev_index = 0;

	*group = -1;
	ret = argc;

	while (argc > 0) {
		if (strcmp(*argv, "up") == 0) {
			req->i.ifi_change |= IFF_UP;
			req->i.ifi_flags |= IFF_UP;
		} else if (strcmp(*argv, "down") == 0) {
			req->i.ifi_change |= IFF_UP;
			req->i.ifi_flags &= ~IFF_UP;
		} else if (strcmp(*argv, "name") == 0) {
			NEXT_ARG();
			*name = *argv;
		} else if (strcmp(*argv, "index") == 0) {
			NEXT_ARG();
			*index = atoi(*argv);
		} else if (matches(*argv, "link") == 0) {
			NEXT_ARG();
			*link = *argv;
		} else if (matches(*argv, "address") == 0) {
			NEXT_ARG();
			len = ll_addr_a2n(abuf, sizeof(abuf), *argv);
			if (len < 0)
				return -1;
			addattr_l(&req->n, sizeof(*req), IFLA_ADDRESS, abuf, len);
		} else if (matches(*argv, "broadcast") == 0 ||
				strcmp(*argv, "brd") == 0) {
			NEXT_ARG();
			len = ll_addr_a2n(abuf, sizeof(abuf), *argv);
			if (len < 0)
				return -1;
			addattr_l(&req->n, sizeof(*req), IFLA_BROADCAST, abuf, len);
		} else if (matches(*argv, "txqueuelen") == 0 ||
				strcmp(*argv, "qlen") == 0 ||
				matches(*argv, "txqlen") == 0) {
			NEXT_ARG();
			if (qlen != -1)
				duparg("txqueuelen", *argv);
			if (get_integer(&qlen,  *argv, 0))
				invarg("Invalid \"txqueuelen\" value\n", *argv);
			addattr_l(&req->n, sizeof(*req), IFLA_TXQLEN, &qlen, 4);
		} else if (strcmp(*argv, "mtu") == 0) {
			NEXT_ARG();
			if (mtu != -1)
				duparg("mtu", *argv);
			if (get_integer(&mtu, *argv, 0))
				invarg("Invalid \"mtu\" value\n", *argv);
			addattr_l(&req->n, sizeof(*req), IFLA_MTU, &mtu, 4);
		} else if (strcmp(*argv, "netns") == 0) {
			NEXT_ARG();
			if (netns != -1)
				duparg("netns", *argv);
			if ((netns = get_netns_fd(*argv)) >= 0)
				addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_FD, &netns, 4);
			else if (get_integer(&netns, *argv, 0) == 0)
				addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_PID, &netns, 4);
			else
				invarg("Invalid \"netns\" value\n", *argv);
		} else if (strcmp(*argv, "multicast") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_MULTICAST;
			if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags |= IFF_MULTICAST;
			} else if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags &= ~IFF_MULTICAST;
			} else
				return on_off("multicast", *argv);
		} else if (strcmp(*argv, "allmulticast") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_ALLMULTI;
			if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags |= IFF_ALLMULTI;
			} else if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags &= ~IFF_ALLMULTI;
			} else
				return on_off("allmulticast", *argv);
		} else if (strcmp(*argv, "promisc") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_PROMISC;
			if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags |= IFF_PROMISC;
			} else if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags &= ~IFF_PROMISC;
			} else
				return on_off("promisc", *argv);
		} else if (strcmp(*argv, "trailers") == 0) {
			NEXT_ARG();
//.........这里部分代码省略.........

开发者ID:gowthamramesh，项目名称:CSC573，代码行数:101，代码来源:iplink.c

示例4: xfrm_spd_setinfo

static int xfrm_spd_setinfo(int argc, char **argv)
{
	struct rtnl_handle rth;
	struct {
		struct nlmsghdr			n;
		__u32				flags;
		char				buf[RTA_BUF_SIZE];
	} req;

	char *thr4 = NULL;
	char *thr6 = NULL;

	memset(&req, 0, sizeof(req));

	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(__u32));
	req.n.nlmsg_flags = NLM_F_REQUEST;
	req.n.nlmsg_type = XFRM_MSG_NEWSPDINFO;
	req.flags = 0XFFFFFFFF;

	while (argc > 0) {
		if (strcmp(*argv, "hthresh4") == 0) {
			struct xfrmu_spdhthresh thr;

			if (thr4)
				duparg("hthresh4", *argv);
			thr4 = *argv;
			NEXT_ARG();
			if (get_u8(&thr.lbits, *argv, 0) || thr.lbits > 32)
				invarg("hthresh4 LBITS value is invalid", *argv);
			NEXT_ARG();
			if (get_u8(&thr.rbits, *argv, 0) || thr.rbits > 32)
				invarg("hthresh4 RBITS value is invalid", *argv);

			addattr_l(&req.n, sizeof(req), XFRMA_SPD_IPV4_HTHRESH,
				  (void *)&thr, sizeof(thr));
		} else if (strcmp(*argv, "hthresh6") == 0) {
			struct xfrmu_spdhthresh thr;

			if (thr6)
				duparg("hthresh6", *argv);
			thr6 = *argv;
			NEXT_ARG();
			if (get_u8(&thr.lbits, *argv, 0) || thr.lbits > 128)
				invarg("hthresh6 LBITS value is invalid", *argv);
			NEXT_ARG();
			if (get_u8(&thr.rbits, *argv, 0) || thr.rbits > 128)
				invarg("hthresh6 RBITS value is invalid", *argv);

			addattr_l(&req.n, sizeof(req), XFRMA_SPD_IPV6_HTHRESH,
				  (void *)&thr, sizeof(thr));
		} else {
			invarg("unknown", *argv);
		}

		argc--; argv++;
	}

	if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
		exit(1);

	if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0)
		exit(2);

	rtnl_close(&rth);

	return 0;
}

开发者ID:jtoppins，项目名称:iproute2，代码行数:67，代码来源:xfrm_policy.c

示例5: xfrm_state_allocspi

static int xfrm_state_allocspi(int argc, char **argv)
{
	struct rtnl_handle rth;
	struct {
		struct nlmsghdr 	n;
		struct xfrm_userspi_info xspi;
		char   			buf[RTA_BUF_SIZE];
	} req;
	char *idp = NULL;
	char *minp = NULL;
	char *maxp = NULL;
	char res_buf[NLMSG_BUF_SIZE];
	struct nlmsghdr *res_n = (struct nlmsghdr *)res_buf;

	memset(res_buf, 0, sizeof(res_buf));

	memset(&req, 0, sizeof(req));

	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xspi));
	req.n.nlmsg_flags = NLM_F_REQUEST;
	req.n.nlmsg_type = XFRM_MSG_ALLOCSPI;
	req.xspi.info.family = preferred_family;

#if 0
	req.xsinfo.lft.soft_byte_limit = XFRM_INF;
	req.xsinfo.lft.hard_byte_limit = XFRM_INF;
	req.xsinfo.lft.soft_packet_limit = XFRM_INF;
	req.xsinfo.lft.hard_packet_limit = XFRM_INF;
#endif

	while (argc > 0) {
		if (strcmp(*argv, "mode") == 0) {
			NEXT_ARG();
			xfrm_mode_parse(&req.xspi.info.mode, &argc, &argv);
		} else if (strcmp(*argv, "reqid") == 0) {
			NEXT_ARG();
			xfrm_reqid_parse(&req.xspi.info.reqid, &argc, &argv);
		} else if (strcmp(*argv, "seq") == 0) {
			NEXT_ARG();
			xfrm_seq_parse(&req.xspi.info.seq, &argc, &argv);
		} else if (strcmp(*argv, "min") == 0) {
			if (minp)
				duparg("min", *argv);
			minp = *argv;

			NEXT_ARG();

			if (get_u32(&req.xspi.min, *argv, 0))
				invarg("\"min\" value is invalid", *argv);
		} else if (strcmp(*argv, "max") == 0) {
			if (maxp)
				duparg("max", *argv);
			maxp = *argv;

			NEXT_ARG();

			if (get_u32(&req.xspi.max, *argv, 0))
				invarg("\"max\" value is invalid", *argv);
		} else {
			/* try to assume ID */
			if (idp)
				invarg("unknown", *argv);
			idp = *argv;

			/* ID */
			xfrm_id_parse(&req.xspi.info.saddr, &req.xspi.info.id,
				      &req.xspi.info.family, 0, &argc, &argv);
			if (req.xspi.info.id.spi) {
				fprintf(stderr, "\"SPI\" must be zero\n");
				exit(1);
			}
			if (preferred_family == AF_UNSPEC)
				preferred_family = req.xspi.info.family;
		}
		argc--; argv++;
	}

	if (!idp) {
		fprintf(stderr, "Not enough information: \"ID\" is required\n");
		exit(1);
	}

	if (minp) {
		if (!maxp) {
			fprintf(stderr, "\"max\" is missing\n");
			exit(1);
		}
		if (req.xspi.min > req.xspi.max) {
			fprintf(stderr, "\"min\" valie is larger than \"max\" one\n");
			exit(1);
		}
	} else {
		if (maxp) {
			fprintf(stderr, "\"min\" is missing\n");
			exit(1);
		}

		/* XXX: Default value defined in PF_KEY;
		 * See kernel's net/key/af_key.c(pfkey_getspi).
		 */
//.........这里部分代码省略.........

开发者ID:325116067，项目名称:semc-qsd8x50，代码行数:101，代码来源:xfrm_state.c

示例6: parse_direction

static int
parse_direction(struct action_util *a, int *argc_p, char ***argv_p,
		int tca_id, struct nlmsghdr *n)
{

	int argc = *argc_p;
	char **argv = *argv_p;
	int ok = 0, iok = 0, mirror = 0, redir = 0, ingress = 0, egress = 0;
	struct tc_mirred p = {};
	struct rtattr *tail;
	char d[IFNAMSIZ] = {};

	while (argc > 0) {

		if (matches(*argv, "action") == 0) {
			NEXT_ARG();
			break;
		} else if (!egress && matches(*argv, "egress") == 0) {
			egress = 1;
			if (ingress) {
				fprintf(stderr,
					"Can't have both egress and ingress\n");
				return -1;
			}
			NEXT_ARG();
			ok++;
			continue;
		} else if (!ingress && matches(*argv, "ingress") == 0) {
			ingress = 1;
			if (egress) {
				fprintf(stderr,
					"Can't have both ingress and egress\n");
				return -1;
			}
			NEXT_ARG();
			ok++;
			continue;
		} else {

			if (matches(*argv, "index") == 0) {
				NEXT_ARG();
				if (get_u32(&p.index, *argv, 10)) {
					fprintf(stderr, "Illegal \"index\"\n");
					return -1;
				}
				iok++;
				if (!ok) {
					argc--;
					argv++;
					break;
				}
			} else if (!ok) {
				fprintf(stderr,
					"was expecting egress or ingress (%s)\n",
					*argv);
				break;

			} else if (!mirror && matches(*argv, "mirror") == 0) {
				mirror = 1;
				if (redir) {
					fprintf(stderr,
						"Can't have both mirror and redir\n");
					return -1;
				}
				p.eaction = egress ? TCA_EGRESS_MIRROR :
					TCA_INGRESS_MIRROR;
				p.action = TC_ACT_PIPE;
				ok++;
			} else if (!redir && matches(*argv, "redirect") == 0) {
				redir = 1;
				if (mirror) {
					fprintf(stderr,
						"Can't have both mirror and redir\n");
					return -1;
				}
				p.eaction = egress ? TCA_EGRESS_REDIR :
					TCA_INGRESS_REDIR;
				p.action = TC_ACT_STOLEN;
				ok++;
			} else if ((redir || mirror) &&
				   matches(*argv, "dev") == 0) {
				NEXT_ARG();
				if (strlen(d))
					duparg("dev", *argv);

				strncpy(d, *argv, sizeof(d)-1);
				argc--;
				argv++;

				break;

			}
		}

		NEXT_ARG();
	}

	if (!ok && !iok)
		return -1;

//.........这里部分代码省略.........

开发者ID:dtaht，项目名称:tc-adv，代码行数:101，代码来源:m_mirred.c

示例7: parse_size_table

int parse_size_table(int *argcp, char ***argvp, struct tc_sizespec *sp)
{
	char **argv = *argvp;
	int argc = *argcp;
	struct tc_sizespec s;

	memset(&s, 0, sizeof(s));

	NEXT_ARG();
	if (matches(*argv, "help") == 0) {
		stab_help();
		return -1;
	}
	while (argc > 0) {
		if (matches(*argv, "mtu") == 0) {
			NEXT_ARG();
			if (s.mtu)
				duparg("mtu", *argv);
			if (get_u32(&s.mtu, *argv, 10)) {
				invarg("mtu", "invalid mtu");
				return -1;
			}
		} else if (matches(*argv, "mpu") == 0) {
			NEXT_ARG();
			if (s.mpu)
				duparg("mpu", *argv);
			if (get_u32(&s.mpu, *argv, 10)) {
				invarg("mpu", "invalid mpu");
				return -1;
			}
		} else if (matches(*argv, "overhead") == 0) {
			NEXT_ARG();
			if (s.overhead)
				duparg("overhead", *argv);
			if (get_integer(&s.overhead, *argv, 10)) {
				invarg("overhead", "invalid overhead");
				return -1;
			}
		} else if (matches(*argv, "tsize") == 0) {
			NEXT_ARG();
			if (s.tsize)
				duparg("tsize", *argv);
			if (get_u32(&s.tsize, *argv, 10)) {
				invarg("tsize", "invalid table size");
				return -1;
			}
		} else if (matches(*argv, "linklayer") == 0) {
			NEXT_ARG();
			if (s.linklayer != LINKLAYER_UNSPEC)
				duparg("linklayer", *argv);
			if (get_linklayer(&s.linklayer, *argv)) {
				invarg("linklayer", "invalid linklayer");
				return -1;
			}
		} else
			break;
		argc--; argv++;
	}

	if (!check_size_table_opts(&s))
		return -1;

	*sp = s;
	*argvp = argv;
	*argcp = argc;
	return 0;
}

开发者ID:247a，项目名称:lenovo_b6000-8000_kernel_source，代码行数:67，代码来源:tc_stab.c

示例8: ipntable_modify

static int ipntable_modify(int cmd, int flags, int argc, char **argv)
{
	struct {
		struct nlmsghdr	n;
		struct ndtmsg		ndtm;
		char			buf[1024];
	} req = {
		.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ndtmsg)),
		.n.nlmsg_flags = NLM_F_REQUEST | flags,
		.n.nlmsg_type = cmd,
		.ndtm.ndtm_family = preferred_family,
	};
	char *namep = NULL;
	char *threshsp = NULL;
	char *gc_intp = NULL;
	char parms_buf[1024] = {};
	struct rtattr *parms_rta = (struct rtattr *)parms_buf;
	int parms_change = 0;

	parms_rta->rta_type = NDTA_PARMS;
	parms_rta->rta_len = RTA_LENGTH(0);

	while (argc > 0) {
		if (strcmp(*argv, "name") == 0) {
			int len;

			NEXT_ARG();
			if (namep)
				duparg("NAME", *argv);

			namep = *argv;
			len = strlen(namep) + 1;
			addattr_l(&req.n, sizeof(req), NDTA_NAME, namep, len);
		} else if (strcmp(*argv, "thresh1") == 0) {
			__u32 thresh1;

			NEXT_ARG();
			threshsp = *argv;

			if (get_u32(&thresh1, *argv, 0))
				invarg("\"thresh1\" value is invalid", *argv);

			addattr32(&req.n, sizeof(req), NDTA_THRESH1, thresh1);
		} else if (strcmp(*argv, "thresh2") == 0) {
			__u32 thresh2;

			NEXT_ARG();
			threshsp = *argv;

			if (get_u32(&thresh2, *argv, 0))
				invarg("\"thresh2\" value is invalid", *argv);

			addattr32(&req.n, sizeof(req), NDTA_THRESH2, thresh2);
		} else if (strcmp(*argv, "thresh3") == 0) {
			__u32 thresh3;

			NEXT_ARG();
			threshsp = *argv;

			if (get_u32(&thresh3, *argv, 0))
				invarg("\"thresh3\" value is invalid", *argv);

			addattr32(&req.n, sizeof(req), NDTA_THRESH3, thresh3);
		} else if (strcmp(*argv, "gc_int") == 0) {
			__u64 gc_int;

			NEXT_ARG();
			gc_intp = *argv;

			if (get_u64(&gc_int, *argv, 0))
				invarg("\"gc_int\" value is invalid", *argv);

			addattr_l(&req.n, sizeof(req), NDTA_GC_INTERVAL,
				  &gc_int, sizeof(gc_int));
		} else if (strcmp(*argv, "dev") == 0) {
			__u32 ifindex;

			NEXT_ARG();
			ifindex = ll_name_to_index(*argv);
			if (!ifindex)
				return nodev(*argv);

			rta_addattr32(parms_rta, sizeof(parms_buf),
				      NDTPA_IFINDEX, ifindex);
		} else if (strcmp(*argv, "base_reachable") == 0) {
			__u64 breachable;

			NEXT_ARG();

			if (get_u64(&breachable, *argv, 0))
				invarg("\"base_reachable\" value is invalid", *argv);

			rta_addattr_l(parms_rta, sizeof(parms_buf),
				      NDTPA_BASE_REACHABLE_TIME,
				      &breachable, sizeof(breachable));
			parms_change = 1;
		} else if (strcmp(*argv, "retrans") == 0) {
			__u64 retrans;

			NEXT_ARG();
//.........这里部分代码省略.........

开发者ID:eworm-de，项目名称:iproute2，代码行数:101，代码来源:ipntable.c

示例9: ipaddr_modify

int ipaddr_modify(int cmd, int argc, char **argv)
{
	struct rtnl_handle rth;
	struct {
		struct nlmsghdr 	n;
		struct ifaddrmsg 	ifa;
		char   			buf[256];
	} req;
	char  *d = NULL;
	char  *l = NULL;
	char  *valid_lftp = NULL;
	char  *preferred_lftp = NULL;
	inet_prefix lcl;
	inet_prefix peer;
	int local_len = 0;
	int peer_len = 0;
	int brd_len = 0;
	int any_len = 0;
	int scoped = 0;
	__u32 preferred_lft = INFINITY_LIFE_TIME;
	__u32 valid_lft = INFINITY_LIFE_TIME;
	struct ifa_cacheinfo cinfo;

	memset(&req, 0, sizeof(req));

	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
	req.n.nlmsg_flags = NLM_F_REQUEST;
	req.n.nlmsg_type = cmd;
	req.ifa.ifa_family = preferred_family;

	while (argc > 0) {
		if (strcmp(*argv, "peer") == 0 ||
		    strcmp(*argv, "remote") == 0) {
			NEXT_ARG();

			if (peer_len)
				duparg("peer", *argv);
			get_prefix(&peer, *argv, req.ifa.ifa_family);
			peer_len = peer.bytelen;
			if (req.ifa.ifa_family == AF_UNSPEC)
				req.ifa.ifa_family = peer.family;
			addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen);
			req.ifa.ifa_prefixlen = peer.bitlen;
		} else if (matches(*argv, "broadcast") == 0 ||
			   strcmp(*argv, "brd") == 0) {
			inet_prefix addr;
			NEXT_ARG();
			if (brd_len)
				duparg("broadcast", *argv);
			if (strcmp(*argv, "+") == 0)
				brd_len = -1;
			else if (strcmp(*argv, "-") == 0)
				brd_len = -2;
			else {
				get_addr(&addr, *argv, req.ifa.ifa_family);
				if (req.ifa.ifa_family == AF_UNSPEC)
					req.ifa.ifa_family = addr.family;
				addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen);
				brd_len = addr.bytelen;
			}
		} else if (strcmp(*argv, "anycast") == 0) {
			inet_prefix addr;
			NEXT_ARG();
			if (any_len)
				duparg("anycast", *argv);
			get_addr(&addr, *argv, req.ifa.ifa_family);
			if (req.ifa.ifa_family == AF_UNSPEC)
				req.ifa.ifa_family = addr.family;
			addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen);
			any_len = addr.bytelen;
		} else if (strcmp(*argv, "scope") == 0) {
			int scope = 0;
			NEXT_ARG();
			if (rtnl_rtscope_a2n(&scope, *argv))
				invarg(*argv, "invalid scope value.");
			req.ifa.ifa_scope = scope;
			scoped = 1;
		} else if (strcmp(*argv, "dev") == 0) {
			NEXT_ARG();
			d = *argv;
		} else if (strcmp(*argv, "label") == 0) {
			NEXT_ARG();
			l = *argv;
			addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
		} else if (matches(*argv, "valid_lft") == 0) {
			if (valid_lftp)
				duparg("valid_lft", *argv);
			NEXT_ARG();
			valid_lftp = *argv;
			if (set_lifetime(&valid_lft, *argv))
				invarg("valid_lft value", *argv);
		} else if (matches(*argv, "preferred_lft") == 0) {
			if (preferred_lftp)
				duparg("preferred_lft", *argv);
			NEXT_ARG();
			preferred_lftp = *argv;
			if (set_lifetime(&preferred_lft, *argv))
				invarg("preferred_lft value", *argv);
		} else {
			if (strcmp(*argv, "local") == 0) {
//.........这里部分代码省略.........

开发者ID:jameshilliard，项目名称:actiontec_opensrc_mi424wr-rev-ef_fw-20-20-8，代码行数:101，代码来源:ipaddress.c

示例10: do_set

static int do_set(int argc, char **argv)
{
	char *dev = NULL;
	__u32 mask = 0;
	__u32 flags = 0;
	int qlen = -1;
	int mtu = -1;
	char *newaddr = NULL;
	char *newbrd = NULL;
	struct ifreq ifr0, ifr1;
	char *newname = NULL;
	int htype, halen;

	while (argc > 0) {
		if (strcmp(*argv, "up") == 0) {
			mask |= IFF_UP;
			flags |= IFF_UP;
		} else if (strcmp(*argv, "down") == 0) {
			mask |= IFF_UP;
			flags &= ~IFF_UP;
		} else if (strcmp(*argv, "name") == 0) {
			NEXT_ARG();
			newname = *argv;
		} else if (strcmp(*argv, "mtu") == 0) {
			NEXT_ARG();
			if (mtu != -1)
				duparg("mtu", *argv);
			if (get_integer(&mtu, *argv, 0))
				invarg("Invalid \"mtu\" value\n", *argv);
		} else if (strcmp(*argv, "multicast") == 0) {
			NEXT_ARG();
			mask |= IFF_MULTICAST;
			if (strcmp(*argv, "on") == 0) {
				flags |= IFF_MULTICAST;
			} else if (strcmp(*argv, "off") == 0) {
				flags &= ~IFF_MULTICAST;
			} else
				return on_off("multicast");
		} else if (strcmp(*argv, "arp") == 0) {
			NEXT_ARG();
			mask |= IFF_NOARP;
			if (strcmp(*argv, "on") == 0) {
				flags &= ~IFF_NOARP;
			} else if (strcmp(*argv, "off") == 0) {
				flags |= IFF_NOARP;
			} else
				return on_off("noarp");
		} else if (strcmp(*argv, "addr") == 0) {
			NEXT_ARG();
			newaddr = *argv;
		} else {
			if (strcmp(*argv, "dev") == 0) {
				NEXT_ARG();
			}
			if (dev)
				duparg2("dev", *argv);
			dev = *argv;
		}
		argc--; argv++;
	}

	if (!dev) {
		bb_error_msg("Not enough of information: \"dev\" argument is required.");
		exit(-1);
	}

	if (newaddr || newbrd) {
		halen = get_address(dev, &htype);
		if (halen < 0)
			return -1;
		if (newaddr) {
			if (parse_address(dev, htype, halen, newaddr, &ifr0) < 0)
				return -1;
		}
		if (newbrd) {
			if (parse_address(dev, htype, halen, newbrd, &ifr1) < 0)
				return -1;
		}
	}

	if (newname && strcmp(dev, newname)) {
		if (do_changename(dev, newname) < 0)
			return -1;
		dev = newname;
	}
	if (qlen != -1) {
		if (set_qlen(dev, qlen) < 0)
			return -1;
	}
	if (mtu != -1) {
		if (set_mtu(dev, mtu) < 0)
			return -1;
	}
	if (newaddr || newbrd) {
		if (newbrd) {
			if (set_address(&ifr1, 1) < 0)
				return -1;
		}
		if (newaddr) {
			if (set_address(&ifr0, 0) < 0)
//.........这里部分代码省略.........

开发者ID:OpenHMR，项目名称:Open-HMR600，代码行数:101，代码来源:iplink.c

示例11: iplink_parse

int iplink_parse(int argc, char **argv, struct iplink_req *req,
		char **name, char **type, char **link, char **dev)
{
	int ret, len;
	char abuf[32];
	int qlen = -1;
	int mtu = -1;
	int netns = -1;

	ret = argc;

	while (argc > 0) {
		if (strcmp(*argv, "up") == 0) {
			req->i.ifi_change |= IFF_UP;
			req->i.ifi_flags |= IFF_UP;
		} else if (strcmp(*argv, "down") == 0) {
			req->i.ifi_change |= IFF_UP;
			req->i.ifi_flags &= ~IFF_UP;
		} else if (strcmp(*argv, "name") == 0) {
			NEXT_ARG();
			*name = *argv;
		} else if (matches(*argv, "link") == 0) {
			NEXT_ARG();
			*link = *argv;
		} else if (matches(*argv, "address") == 0) {
			NEXT_ARG();
			len = ll_addr_a2n(abuf, sizeof(abuf), *argv);
			if (len < 0)
				return -1;
			addattr_l(&req->n, sizeof(*req), IFLA_ADDRESS, abuf, len);
		} else if (matches(*argv, "broadcast") == 0 ||
				strcmp(*argv, "brd") == 0) {
			NEXT_ARG();
			len = ll_addr_a2n(abuf, sizeof(abuf), *argv);
			if (len < 0)
				return -1;
			addattr_l(&req->n, sizeof(*req), IFLA_BROADCAST, abuf, len);
		} else if (matches(*argv, "txqueuelen") == 0 ||
				strcmp(*argv, "qlen") == 0 ||
				matches(*argv, "txqlen") == 0) {
			NEXT_ARG();
			if (qlen != -1)
				duparg("txqueuelen", *argv);
			if (get_integer(&qlen,  *argv, 0))
				invarg("Invalid \"txqueuelen\" value\n", *argv);
			addattr_l(&req->n, sizeof(*req), IFLA_TXQLEN, &qlen, 4);
		} else if (strcmp(*argv, "mtu") == 0) {
			NEXT_ARG();
			if (mtu != -1)
				duparg("mtu", *argv);
			if (get_integer(&mtu, *argv, 0))
				invarg("Invalid \"mtu\" value\n", *argv);
			addattr_l(&req->n, sizeof(*req), IFLA_MTU, &mtu, 4);
                } else if (strcmp(*argv, "netns") == 0) {
                        NEXT_ARG();
                        if (netns != -1)
                                duparg("netns", *argv);
                        if (get_integer(&netns, *argv, 0))
                                invarg("Invalid \"netns\" value\n", *argv);
                        addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_PID, &netns, 4);
		} else if (strcmp(*argv, "multicast") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_MULTICAST;
			if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags |= IFF_MULTICAST;
			} else if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags &= ~IFF_MULTICAST;
			} else
				return on_off("multicast");
		} else if (strcmp(*argv, "allmulticast") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_ALLMULTI;
			if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags |= IFF_ALLMULTI;
			} else if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags &= ~IFF_ALLMULTI;
			} else
				return on_off("allmulticast");
		} else if (strcmp(*argv, "promisc") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_PROMISC;
			if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags |= IFF_PROMISC;
			} else if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags &= ~IFF_PROMISC;
			} else
				return on_off("promisc");
		} else if (strcmp(*argv, "trailers") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_NOTRAILERS;
			if (strcmp(*argv, "off") == 0) {
				req->i.ifi_flags |= IFF_NOTRAILERS;
			} else if (strcmp(*argv, "on") == 0) {
				req->i.ifi_flags &= ~IFF_NOTRAILERS;
			} else
				return on_off("trailers");
		} else if (strcmp(*argv, "arp") == 0) {
			NEXT_ARG();
			req->i.ifi_change |= IFF_NOARP;
			if (strcmp(*argv, "on") == 0) {
//.........这里部分代码省略.........

开发者ID:flwh，项目名称:Alcatel_OT_985_kernel，代码行数:101，代码来源:iplink.c

示例12: tc_qdisc_modify

int tc_qdisc_modify(int cmd, unsigned flags, int argc, char **argv)
{
	struct qdisc_util *q = NULL;
	struct tc_estimator est;
	char  d[16];
	char  k[16];
	struct {
		struct nlmsghdr 	n;
		struct tcmsg 		t;
		char   			buf[TCA_BUF_MAX];
	} req;

	memset(&req, 0, sizeof(req));
	memset(&est, 0, sizeof(est));
	memset(&d, 0, sizeof(d));
	memset(&k, 0, sizeof(k));

	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcmsg));
	req.n.nlmsg_flags = NLM_F_REQUEST|flags;
	req.n.nlmsg_type = cmd;
	req.t.tcm_family = AF_UNSPEC;

	while (argc > 0) {
		if (strcmp(*argv, "dev") == 0) {
			NEXT_ARG();
			if (d[0])
				duparg("dev", *argv);
			strncpy(d, *argv, sizeof(d)-1);
		} else if (strcmp(*argv, "handle") == 0) {
			__u32 handle;
			if (req.t.tcm_handle)
				duparg("handle", *argv);
			NEXT_ARG();
			if (get_qdisc_handle(&handle, *argv))
				invarg(*argv, "invalid qdisc ID");
			req.t.tcm_handle = handle;
		} else if (strcmp(*argv, "root") == 0) {
			if (req.t.tcm_parent) {
				fprintf(stderr, "Error: \"root\" is duplicate parent ID\n");
				return -1;
			}
			req.t.tcm_parent = TC_H_ROOT;
#ifdef TC_H_INGRESS
		} else if (strcmp(*argv, "ingress") == 0) {
			if (req.t.tcm_parent) {
				fprintf(stderr, "Error: \"ingress\" is a duplicate parent ID\n");
				return -1;
			}
			req.t.tcm_parent = TC_H_INGRESS;
			strncpy(k, "ingress", sizeof(k)-1);
			q = get_qdisc_kind(k);
			req.t.tcm_handle = 0xffff0000;

			argc--; argv++;
			break;
#endif
		} else if (strcmp(*argv, "parent") == 0) {
			__u32 handle;
			NEXT_ARG();
			if (req.t.tcm_parent)
				duparg("parent", *argv);
			if (get_tc_classid(&handle, *argv))
				invarg(*argv, "invalid parent ID");
			req.t.tcm_parent = handle;
		} else if (matches(*argv, "estimator") == 0) {
			if (parse_estimator(&argc, &argv, &est))
				return -1;
		} else if (matches(*argv, "help") == 0) {
			usage();
		} else {
			strncpy(k, *argv, sizeof(k)-1);

			q = get_qdisc_kind(k);
			argc--; argv++;
			break;
		}
		argc--; argv++;
	}

	if (k[0])
		addattr_l(&req.n, sizeof(req), TCA_KIND, k, strlen(k)+1);
	if (est.ewma_log)
		addattr_l(&req.n, sizeof(req), TCA_RATE, &est, sizeof(est));

	if (q) {
		if (!q->parse_qopt) {
			fprintf(stderr, "qdisc '%s' does not support option parsing\n", k);
			return -1;
		}
		if (q->parse_qopt(q, argc, argv, &req.n))
			return 1;
	} else {
		if (argc) {
			if (matches(*argv, "help") == 0)
				usage();

			fprintf(stderr, "Garbage instead of arguments \"%s ...\". Try \"tc qdisc help\".\n", *argv);
			return -1;
		}
	}
//.........这里部分代码省略.........

开发者ID:NieHao，项目名称:R7000，代码行数:101，代码来源:tc_qdisc.c

示例13: ipaddr_modify

int ipaddr_modify(int cmd, int argc, char **argv)
{
	struct rtnl_handle rth;
	struct {
		struct nlmsghdr 	n;
		struct ifaddrmsg 	ifa;
		char   			buf[256];
	} req;
	char  *d = NULL;
	char  *l = NULL;
	char  *lcl_arg = NULL;
	inet_prefix lcl;
	inet_prefix peer;
	int local_len = 0;
	int peer_len = 0;
	int brd_len = 0;
	int any_len = 0;
	int scoped = 0;

	memset(&req, 0, sizeof(req));

	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
	req.n.nlmsg_flags = NLM_F_REQUEST;
	req.n.nlmsg_type = cmd;
	req.ifa.ifa_family = preferred_family;

	while (argc > 0) {
		if (strcmp(*argv, "peer") == 0 ||
		    strcmp(*argv, "remote") == 0) {
			NEXT_ARG();

			if (peer_len)
				duparg("peer", *argv);
			get_prefix(&peer, *argv, req.ifa.ifa_family);
			peer_len = peer.bytelen;
			if (req.ifa.ifa_family == AF_UNSPEC)
				req.ifa.ifa_family = peer.family;
			addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen);
			req.ifa.ifa_prefixlen = peer.bitlen;
		} else if (matches(*argv, "broadcast") == 0 ||
			   strcmp(*argv, "brd") == 0) {
			inet_prefix addr;
			NEXT_ARG();
			if (brd_len)
				duparg("broadcast", *argv);
			if (strcmp(*argv, "+") == 0)
				brd_len = -1;
			else if (strcmp(*argv, "-") == 0)
				brd_len = -2;
			else {
				get_addr(&addr, *argv, req.ifa.ifa_family);
				if (req.ifa.ifa_family == AF_UNSPEC)
					req.ifa.ifa_family = addr.family;
				addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen);
				brd_len = addr.bytelen;
			}
		} else if (strcmp(*argv, "anycast") == 0) {
			inet_prefix addr;
			NEXT_ARG();
			if (any_len)
				duparg("anycast", *argv);
			get_addr(&addr, *argv, req.ifa.ifa_family);
			if (req.ifa.ifa_family == AF_UNSPEC)
				req.ifa.ifa_family = addr.family;
			addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen);
			any_len = addr.bytelen;
		} else if (strcmp(*argv, "scope") == 0) {
			int scope = 0;
			NEXT_ARG();
			if (rtnl_rtscope_a2n(&scope, *argv))
				invarg(*argv, "invalid scope value.");
			req.ifa.ifa_scope = scope;
			scoped = 1;
		} else if (strcmp(*argv, "dev") == 0) {
			NEXT_ARG();
			d = *argv;
		} else if (strcmp(*argv, "label") == 0) {
			NEXT_ARG();
			l = *argv;
			addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
		} else {
			if (strcmp(*argv, "local") == 0) {
				NEXT_ARG();
			}
			if (matches(*argv, "help") == 0)
				usage();
			if (local_len)
				duparg2("local", *argv);
			lcl_arg = *argv;
			get_prefix(&lcl, *argv, req.ifa.ifa_family);
			if (req.ifa.ifa_family == AF_UNSPEC)
				req.ifa.ifa_family = lcl.family;
			addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen);
			local_len = lcl.bytelen;
		}
		argc--; argv++;
	}
	if (d == NULL) {
		fprintf(stderr, "Not enough information: \"dev\" argument is required.\n");
		return -1;
//.........这里部分代码省略.........

开发者ID:cmtsij，项目名称:Vizio_XWR100_GPL，代码行数:101，代码来源:ipaddress.c

示例14: do_add_or_delete

/* Return value becomes exitcode. It's okay to not return at all */
static int do_add_or_delete(char **argv, const unsigned rtm)
{
	static const char keywords[] ALIGN1 =
		"link\0""name\0""type\0""dev\0""address\0";
	enum {
		ARG_link,
		ARG_name,
		ARG_type,
		ARG_dev,
		ARG_address,
	};
	struct rtnl_handle rth;
	struct {
		struct nlmsghdr  n;
		struct ifinfomsg i;
		char             buf[1024];
	} req;
	smalluint arg;
	char *name_str = NULL;
	char *link_str = NULL;
	char *type_str = NULL;
	char *dev_str = NULL;
	char *address_str = NULL;

	memset(&req, 0, sizeof(req));

	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
	req.n.nlmsg_flags = NLM_F_REQUEST;
	req.n.nlmsg_type = rtm;
	req.i.ifi_family = preferred_family;
	if (rtm == RTM_NEWLINK)
		req.n.nlmsg_flags |= NLM_F_CREATE|NLM_F_EXCL;

	while (*argv) {
		arg = index_in_substrings(keywords, *argv);
		if (arg == ARG_type) {
			NEXT_ARG();
			type_str = *argv++;
			dbg("type_str:'%s'", type_str);
			break;
		}
		if (arg == ARG_link) {
			NEXT_ARG();
			link_str = *argv;
			dbg("link_str:'%s'", link_str);
		} else if (arg == ARG_name) {
			NEXT_ARG();
			name_str = *argv;
			dbg("name_str:'%s'", name_str);
		} else if (arg == ARG_address) {
			NEXT_ARG();
			address_str = *argv;
			dbg("address_str:'%s'", name_str);
		} else {
			if (arg == ARG_dev) {
				if (dev_str)
					duparg(*argv, "dev");
				NEXT_ARG();
			}
			dev_str = *argv;
			dbg("dev_str:'%s'", dev_str);
		}
		argv++;
	}
	xrtnl_open(&rth);
	ll_init_map(&rth);
	if (type_str) {
		struct rtattr *linkinfo = NLMSG_TAIL(&req.n);

		addattr_l(&req.n, sizeof(req), IFLA_LINKINFO, NULL, 0);
		addattr_l(&req.n, sizeof(req), IFLA_INFO_KIND, type_str,
				strlen(type_str));

		if (*argv) {
			struct rtattr *data = NLMSG_TAIL(&req.n);
			addattr_l(&req.n, sizeof(req), IFLA_INFO_DATA, NULL, 0);

			if (strcmp(type_str, "vlan") == 0)
				vlan_parse_opt(argv, &req.n, sizeof(req));

			data->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)data;
		}

		linkinfo->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)linkinfo;
	}
	if (rtm != RTM_NEWLINK) {
		if (!dev_str)
			return 1; /* Need a device to delete */
		req.i.ifi_index = xll_name_to_index(dev_str);
	} else {
		if (!name_str)
			name_str = dev_str;
		if (link_str) {
			int idx = xll_name_to_index(link_str);
			addattr_l(&req.n, sizeof(req), IFLA_LINK, &idx, 4);
		}
		if (address_str) {
			unsigned char abuf[32];
			int len = ll_addr_a2n(abuf, sizeof(abuf), address_str);
//.........这里部分代码省略.........

开发者ID:AlexShiLucky，项目名称:busybox，代码行数:101，代码来源:iplink.c

示例15: xfrm_state_modify


//.........这里部分代码省略.........
			NEXT_ARG();
			xfrm_state_extra_flag_parse(&extra_flags, &argc, &argv);
		} else if (strcmp(*argv, "sel") == 0) {
			NEXT_ARG();
			preferred_family = AF_UNSPEC;
			xfrm_selector_parse(&req.xsinfo.sel, &argc, &argv);
			preferred_family = req.xsinfo.sel.family;
		} else if (strcmp(*argv, "limit") == 0) {
			NEXT_ARG();
			xfrm_lifetime_cfg_parse(&req.xsinfo.lft, &argc, &argv);
		} else if (strcmp(*argv, "encap") == 0) {
			struct xfrm_encap_tmpl encap;
			inet_prefix oa;
		        NEXT_ARG();
			xfrm_encap_type_parse(&encap.encap_type, &argc, &argv);
			NEXT_ARG();
			if (get_u16(&encap.encap_sport, *argv, 0))
				invarg("SPORT value after \"encap\" is invalid", *argv);
			encap.encap_sport = htons(encap.encap_sport);
			NEXT_ARG();
			if (get_u16(&encap.encap_dport, *argv, 0))
				invarg("DPORT value after \"encap\" is invalid", *argv);
			encap.encap_dport = htons(encap.encap_dport);
			NEXT_ARG();
			get_addr(&oa, *argv, AF_UNSPEC);
			memcpy(&encap.encap_oa, &oa.data, sizeof(encap.encap_oa));
			addattr_l(&req.n, sizeof(req.buf), XFRMA_ENCAP,
				  (void *)&encap, sizeof(encap));
		} else if (strcmp(*argv, "coa") == 0) {
			inet_prefix coa;
			xfrm_address_t xcoa;

			if (coap)
				duparg("coa", *argv);
			coap = *argv;

			NEXT_ARG();

			get_prefix(&coa, *argv, preferred_family);
			if (coa.family == AF_UNSPEC)
				invarg("value after \"coa\" has an unrecognized address family", *argv);
			if (coa.bytelen > sizeof(xcoa))
				invarg("value after \"coa\" is too large", *argv);

			memset(&xcoa, 0, sizeof(xcoa));
			memcpy(&xcoa, &coa.data, coa.bytelen);

			addattr_l(&req.n, sizeof(req.buf), XFRMA_COADDR,
				  (void *)&xcoa, sizeof(xcoa));
		} else if (strcmp(*argv, "ctx") == 0) {
			char *context;

			if (sctxp)
				duparg("ctx", *argv);
			sctxp = *argv;

			NEXT_ARG();
			context = *argv;

			xfrm_sctx_parse((char *)&ctx.str, context, &ctx.sctx);
			addattr_l(&req.n, sizeof(req.buf), XFRMA_SEC_CTX,
				  (void *)&ctx, ctx.sctx.len);
		} else {
			/* try to assume ALGO */
			int type = xfrm_algotype_getbyname(*argv);
			switch (type) {

开发者ID:onestraw，项目名称:ip-xfrm，代码行数:67，代码来源:xfrm_state.c

注：本文中的duparg函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。