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-rw-r--r--tipc/link.c1252
1 files changed, 1252 insertions, 0 deletions
diff --git a/tipc/link.c b/tipc/link.c
new file mode 100644
index 0000000..53f49c8
--- /dev/null
+++ b/tipc/link.c
@@ -0,0 +1,1252 @@
+/*
+ * link.c TIPC link functionality.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * Authors: Richard Alpe <richard.alpe@ericsson.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include <linux/tipc_netlink.h>
+#include <linux/tipc.h>
+#include <linux/genetlink.h>
+#include <libmnl/libmnl.h>
+
+#include "mnl_utils.h"
+#include "cmdl.h"
+#include "msg.h"
+#include "link.h"
+#include "bearer.h"
+#include "utils.h"
+
+#define PRIORITY_STR "priority"
+#define TOLERANCE_STR "tolerance"
+#define WINDOW_STR "window"
+#define BROADCAST_STR "broadcast"
+
+static const char tipc_bclink_name[] = "broadcast-link";
+
+static int link_list_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+ struct nlattr *info[TIPC_NLA_MAX + 1] = {};
+ struct nlattr *attrs[TIPC_NLA_LINK_MAX + 1] = {};
+
+ mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info);
+ if (!info[TIPC_NLA_LINK])
+ return MNL_CB_ERROR;
+
+ mnl_attr_parse_nested(info[TIPC_NLA_LINK], parse_attrs, attrs);
+ if (!attrs[TIPC_NLA_LINK_NAME])
+ return MNL_CB_ERROR;
+
+ print_string(PRINT_FP, NULL, "%s: ",
+ mnl_attr_get_str(attrs[TIPC_NLA_LINK_NAME]));
+ if (attrs[TIPC_NLA_LINK_UP])
+ print_string(PRINT_ANY,
+ mnl_attr_get_str(attrs[TIPC_NLA_LINK_NAME]),"%s\n", "up");
+ else
+ print_string(PRINT_ANY,
+ mnl_attr_get_str(attrs[TIPC_NLA_LINK_NAME]), "%s\n", "down");
+ return MNL_CB_OK;
+}
+
+static int cmd_link_list(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ int err = 0;
+
+ if (help_flag) {
+ fprintf(stderr, "Usage: %s link list\n", cmdl->argv[0]);
+ return -EINVAL;
+ }
+
+ nlh = msg_init(TIPC_NL_LINK_GET);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+
+ new_json_obj(json);
+ open_json_object(NULL);
+ err = msg_dumpit(nlh, link_list_cb, NULL);
+ close_json_object();
+ delete_json_obj();
+ return err;
+}
+
+static int link_get_cb(const struct nlmsghdr *nlh, void *data)
+{
+ int *prop = data;
+ struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+ struct nlattr *info[TIPC_NLA_MAX + 1] = {};
+ struct nlattr *attrs[TIPC_NLA_LINK_MAX + 1] = {};
+ struct nlattr *props[TIPC_NLA_PROP_MAX + 1] = {};
+
+ mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info);
+ if (!info[TIPC_NLA_LINK])
+ return MNL_CB_ERROR;
+
+ mnl_attr_parse_nested(info[TIPC_NLA_LINK], parse_attrs, attrs);
+ if (!attrs[TIPC_NLA_LINK_PROP])
+ return MNL_CB_ERROR;
+
+ mnl_attr_parse_nested(attrs[TIPC_NLA_LINK_PROP], parse_attrs, props);
+ if (!props[*prop])
+ return MNL_CB_ERROR;
+
+ new_json_obj(json);
+ open_json_object(NULL);
+ switch (*prop) {
+ case TIPC_NLA_PROP_PRIO:
+ print_uint(PRINT_ANY, PRIORITY_STR, "%u\n", mnl_attr_get_u32(props[*prop]));
+ break;
+ case TIPC_NLA_PROP_TOL:
+ print_uint(PRINT_ANY, TOLERANCE_STR, "%u\n", mnl_attr_get_u32(props[*prop]));
+ break;
+ case TIPC_NLA_PROP_WIN:
+ print_uint(PRINT_ANY, WINDOW_STR, "%u\n", mnl_attr_get_u32(props[*prop]));
+ break;
+ default:
+ break;
+ }
+ close_json_object();
+ delete_json_obj();
+ return MNL_CB_OK;
+}
+
+static int cmd_link_get_prop(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ int prop;
+ struct nlattr *attrs;
+ struct opt *opt;
+ struct opt opts[] = {
+ { "link", OPT_KEYVAL, NULL },
+ { NULL }
+ };
+
+ if (strcmp(cmd->cmd, PRIORITY_STR) == 0)
+ prop = TIPC_NLA_PROP_PRIO;
+ else if ((strcmp(cmd->cmd, TOLERANCE_STR) == 0))
+ prop = TIPC_NLA_PROP_TOL;
+ else if ((strcmp(cmd->cmd, WINDOW_STR) == 0))
+ prop = TIPC_NLA_PROP_WIN;
+ else
+ return -EINVAL;
+
+ if (help_flag) {
+ (cmd->help)(cmdl);
+ return -EINVAL;
+ }
+
+ if (parse_opts(opts, cmdl) < 0)
+ return -EINVAL;
+
+ nlh = msg_init(TIPC_NL_LINK_GET);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+
+ opt = get_opt(opts, "link");
+ if (!opt) {
+ fprintf(stderr, "error, missing link\n");
+ return -EINVAL;
+ }
+ attrs = mnl_attr_nest_start(nlh, TIPC_NLA_LINK);
+ mnl_attr_put_strz(nlh, TIPC_NLA_LINK_NAME, opt->val);
+ mnl_attr_nest_end(nlh, attrs);
+
+ return msg_doit(nlh, link_get_cb, &prop);
+}
+
+static void cmd_link_get_help(struct cmdl *cmdl)
+{
+ fprintf(stderr, "Usage: %s link get PPROPERTY link LINK\n\n"
+ "PROPERTIES\n"
+ " tolerance - Get link tolerance\n"
+ " priority - Get link priority\n"
+ " window - Get link window\n"
+ " broadcast - Get link broadcast\n",
+ cmdl->argv[0]);
+}
+
+static int cmd_link_get_bcast_cb(const struct nlmsghdr *nlh, void *data)
+{
+ int *prop = data;
+ int prop_ratio = TIPC_NLA_PROP_BROADCAST_RATIO;
+ struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+ struct nlattr *info[TIPC_NLA_MAX + 1] = {};
+ struct nlattr *attrs[TIPC_NLA_LINK_MAX + 1] = {};
+ struct nlattr *props[TIPC_NLA_PROP_MAX + 1] = {};
+ int bc_mode;
+
+ mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info);
+ if (!info[TIPC_NLA_LINK])
+ return MNL_CB_ERROR;
+
+ mnl_attr_parse_nested(info[TIPC_NLA_LINK], parse_attrs, attrs);
+ if (!attrs[TIPC_NLA_LINK_PROP])
+ return MNL_CB_ERROR;
+
+ mnl_attr_parse_nested(attrs[TIPC_NLA_LINK_PROP], parse_attrs, props);
+ if (!props[*prop])
+ return MNL_CB_ERROR;
+
+ bc_mode = mnl_attr_get_u32(props[*prop]);
+
+ new_json_obj(json);
+ open_json_object(NULL);
+ switch (bc_mode) {
+ case 0x1:
+ print_string(PRINT_ANY, "method", "%s\n", "BROADCAST");
+ break;
+ case 0x2:
+ print_string(PRINT_ANY, "method", "%s\n", "REPLICAST");
+ break;
+ case 0x4:
+ print_string(PRINT_ANY, "method", "%s", "AUTOSELECT");
+ close_json_object();
+ open_json_object(NULL);
+ print_uint(PRINT_ANY, "ratio", " ratio:%u\n",
+ mnl_attr_get_u32(props[prop_ratio]));
+ break;
+ default:
+ print_string(PRINT_ANY, NULL, "UNKNOWN\n", NULL);
+ break;
+ }
+ close_json_object();
+ delete_json_obj();
+ return MNL_CB_OK;
+}
+
+static void cmd_link_get_bcast_help(struct cmdl *cmdl)
+{
+ fprintf(stderr, "Usage: %s link get PPROPERTY\n\n"
+ "PROPERTIES\n"
+ " broadcast - Get link broadcast\n",
+ cmdl->argv[0]);
+}
+
+static int cmd_link_get_bcast(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ int prop = TIPC_NLA_PROP_BROADCAST;
+ struct nlattr *attrs;
+
+ if (help_flag) {
+ (cmd->help)(cmdl);
+ return -EINVAL;
+ }
+
+ nlh = msg_init(TIPC_NL_LINK_GET);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+ attrs = mnl_attr_nest_start(nlh, TIPC_NLA_LINK);
+ /* Direct to broadcast-link setting */
+ mnl_attr_put_strz(nlh, TIPC_NLA_LINK_NAME, tipc_bclink_name);
+ mnl_attr_nest_end(nlh, attrs);
+ return msg_doit(nlh, cmd_link_get_bcast_cb, &prop);
+}
+
+static int cmd_link_get(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ const struct cmd cmds[] = {
+ { PRIORITY_STR, cmd_link_get_prop, cmd_link_get_help },
+ { TOLERANCE_STR, cmd_link_get_prop, cmd_link_get_help },
+ { WINDOW_STR, cmd_link_get_prop, cmd_link_get_help },
+ { BROADCAST_STR, cmd_link_get_bcast, cmd_link_get_bcast_help },
+ { NULL }
+ };
+
+ return run_cmd(nlh, cmd, cmds, cmdl, NULL);
+}
+
+static void cmd_link_stat_reset_help(struct cmdl *cmdl)
+{
+ fprintf(stderr, "Usage: %s link stat reset link LINK\n\n", cmdl->argv[0]);
+}
+
+static int cmd_link_stat_reset(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ char *link;
+ struct opt *opt;
+ struct nlattr *nest;
+ struct opt opts[] = {
+ { "link", OPT_KEYVAL, NULL },
+ { NULL }
+ };
+
+ if (help_flag) {
+ (cmd->help)(cmdl);
+ return -EINVAL;
+ }
+
+ if (parse_opts(opts, cmdl) != 1) {
+ (cmd->help)(cmdl);
+ return -EINVAL;
+ }
+
+ nlh = msg_init(TIPC_NL_LINK_RESET_STATS);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+
+ opt = get_opt(opts, "link");
+ if (!opt) {
+ fprintf(stderr, "error, missing link\n");
+ return -EINVAL;
+ }
+ link = opt->val;
+
+ nest = mnl_attr_nest_start(nlh, TIPC_NLA_LINK);
+ mnl_attr_put_strz(nlh, TIPC_NLA_LINK_NAME, link);
+ mnl_attr_nest_end(nlh, nest);
+
+ return msg_doit(nlh, NULL, NULL);
+}
+
+static uint32_t perc(uint32_t count, uint32_t total)
+{
+ return (count * 100 + (total / 2)) / total;
+}
+
+static int _show_link_stat(const char *name, struct nlattr *attrs[],
+ struct nlattr *prop[], struct nlattr *stats[])
+{
+ uint32_t proft;
+
+ open_json_object(NULL);
+
+ print_string(PRINT_ANY, "link", "Link <%s>\n", name);
+ print_string(PRINT_JSON, "state", NULL, NULL);
+ open_json_array(PRINT_JSON, NULL);
+ if (attrs[TIPC_NLA_LINK_ACTIVE])
+ print_string(PRINT_ANY, NULL, " %s", "ACTIVE");
+ else if (attrs[TIPC_NLA_LINK_UP])
+ print_string(PRINT_ANY, NULL, " %s", "STANDBY");
+ else
+ print_string(PRINT_ANY, NULL, " %s", "DEFUNCT");
+ close_json_array(PRINT_JSON, NULL);
+
+ print_uint(PRINT_ANY, "mtu", " MTU:%u",
+ mnl_attr_get_u32(attrs[TIPC_NLA_LINK_MTU]));
+ print_uint(PRINT_ANY, PRIORITY_STR, " Priority:%u",
+ mnl_attr_get_u32(prop[TIPC_NLA_PROP_PRIO]));
+ print_uint(PRINT_ANY, TOLERANCE_STR, " Tolerance:%u ms",
+ mnl_attr_get_u32(prop[TIPC_NLA_PROP_TOL]));
+ print_uint(PRINT_ANY, WINDOW_STR, " Window:%u packets\n",
+ mnl_attr_get_u32(prop[TIPC_NLA_PROP_WIN]));
+
+ open_json_object("rx packets");
+ print_uint(PRINT_ANY, "rx packets", " RX packets:%u",
+ mnl_attr_get_u32(attrs[TIPC_NLA_LINK_RX]) -
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_INFO]));
+ print_uint(PRINT_ANY, "fragments", " fragments:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_FRAGMENTS]));
+ print_uint(PRINT_ANY, "fragmented", "/%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_FRAGMENTED]));
+ print_uint(PRINT_ANY, "bundles", " bundles:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_BUNDLES]));
+ print_uint(PRINT_ANY, "bundled", "/%u\n",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_BUNDLED]));
+ close_json_object();
+
+ open_json_object("tx packets");
+ print_uint(PRINT_ANY, "tx packets", " TX packets:%u",
+ mnl_attr_get_u32(attrs[TIPC_NLA_LINK_TX]) -
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_INFO]));
+ print_uint(PRINT_ANY, "fragments", " fragments:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_FRAGMENTS]));
+ print_uint(PRINT_ANY, "fragmented", "/%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_FRAGMENTED]));
+ print_uint(PRINT_ANY, "bundles", " bundles:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_BUNDLES]));
+ print_uint(PRINT_ANY, "bundled", "/%u\n",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_BUNDLED]));
+ close_json_object();
+
+ proft = mnl_attr_get_u32(stats[TIPC_NLA_STATS_MSG_PROF_TOT]);
+ print_uint(PRINT_ANY, "tx profile sample", " TX profile sample:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_CNT]));
+ print_uint(PRINT_ANY, "packets average", " packets average:%u octets\n",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_TOT]) / proft);
+
+ print_uint(PRINT_ANY, "0-64", " 0-64:%u%%",
+ perc(mnl_attr_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P0]), proft));
+ print_uint(PRINT_ANY, "-256", " -256:%u%%",
+ perc(mnl_attr_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P1]), proft));
+ print_uint(PRINT_ANY, "-1024", " -1024:%u%%",
+ perc(mnl_attr_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P2]), proft));
+ print_uint(PRINT_ANY, "-4096", " -4096:%u%%",
+ perc(mnl_attr_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P3]), proft));
+ print_uint(PRINT_ANY, "-16384", " -16384:%u%%",
+ perc(mnl_attr_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P4]), proft));
+ print_uint(PRINT_ANY, "-32768", " -32768:%u%%",
+ perc(mnl_attr_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P5]), proft));
+ print_uint(PRINT_ANY, "-66000", " -66000:%u%%\n",
+ perc(mnl_attr_get_u32(stats[TIPC_NLA_STATS_MSG_LEN_P6]), proft));
+
+ open_json_object("rx states");
+ print_uint(PRINT_ANY, "rx states", " RX states:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_STATES]));
+ print_uint(PRINT_ANY, "probes", " probes:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_PROBES]));
+ print_uint(PRINT_ANY, "naks", " naks:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_NACKS]));
+ print_uint(PRINT_ANY, "defs", " defs:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_DEFERRED]));
+ print_uint(PRINT_ANY, "dups", " dups:%u\n",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_DUPLICATES]));
+ close_json_object();
+
+ open_json_object("tx states");
+ print_uint(PRINT_ANY, "tx states", " TX states:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_STATES]));
+ print_uint(PRINT_ANY, "probes", " probes:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_PROBES]));
+ print_uint(PRINT_ANY, "naks", " naks:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_NACKS]));
+ print_uint(PRINT_ANY, "acks", " acks:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_ACKS]));
+ print_uint(PRINT_ANY, "retrans", " retrans:%u\n",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RETRANSMITTED]));
+ close_json_object();
+
+ print_uint(PRINT_ANY, "congestion link", " Congestion link:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_LINK_CONGS]));
+ print_uint(PRINT_ANY, "send queue max", " Send queue max:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_MAX_QUEUE]));
+ print_uint(PRINT_ANY, "avg", " avg:%u\n\n",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_AVG_QUEUE]));
+
+ close_json_object();
+ return MNL_CB_OK;
+}
+
+static int _show_bc_link_stat(const char *name, struct nlattr *prop[],
+ struct nlattr *stats[])
+{
+ open_json_object(NULL);
+ print_string(PRINT_ANY, "link", "Link <%s>\n", name);
+ print_uint(PRINT_ANY, WINDOW_STR, " Window:%u packets\n",
+ mnl_attr_get_u32(prop[TIPC_NLA_PROP_WIN]));
+
+ open_json_object("rx packets");
+ print_uint(PRINT_ANY, "rx packets", " RX packets:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_INFO]));
+ print_uint(PRINT_ANY, "fragments", " fragments:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_FRAGMENTS]));
+ print_uint(PRINT_ANY, "fragmented", "/%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_FRAGMENTED]));
+ print_uint(PRINT_ANY, "bundles", " bundles:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_BUNDLES]));
+ print_uint(PRINT_ANY, "bundled", "/%u\n",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_BUNDLED]));
+ close_json_object();
+
+ open_json_object("tx packets");
+ print_uint(PRINT_ANY, "tx packets", " TX packets:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_INFO]));
+ print_uint(PRINT_ANY, "fragments", " fragments:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_FRAGMENTS]));
+ print_uint(PRINT_ANY, "fragmented", "/%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_FRAGMENTED]));
+ print_uint(PRINT_ANY, "bundles", " bundles:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_BUNDLES]));
+ print_uint(PRINT_ANY, "bundled", "/%u\n",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_BUNDLED]));
+ close_json_object();
+
+ open_json_object("rx naks");
+ print_uint(PRINT_ANY, "rx naks", " RX naks:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_NACKS]));
+ print_uint(PRINT_ANY, "defs", " defs:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RX_DEFERRED]));
+ print_uint(PRINT_ANY, "dups", " dups:%u\n",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_DUPLICATES]));
+ close_json_object();
+
+ open_json_object("tx naks");
+ print_uint(PRINT_ANY, "tx naks", " TX naks:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_NACKS]));
+ print_uint(PRINT_ANY, "acks", " acks:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_TX_ACKS]));
+ print_uint(PRINT_ANY, "retrans", " retrans:%u\n",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_RETRANSMITTED]));
+ close_json_object();
+
+ print_uint(PRINT_ANY, "congestion link", " Congestion link:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_LINK_CONGS]));
+ print_uint(PRINT_ANY, "send queue max", " Send queue max:%u",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_MAX_QUEUE]));
+ print_uint(PRINT_ANY, "avg", " avg:%u\n\n",
+ mnl_attr_get_u32(stats[TIPC_NLA_STATS_AVG_QUEUE]));
+ close_json_object();
+
+ return MNL_CB_OK;
+}
+
+static int link_stat_show_cb(const struct nlmsghdr *nlh, void *data)
+{
+ const char *name;
+ const char *link = data;
+ struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+ struct nlattr *info[TIPC_NLA_MAX + 1] = {};
+ struct nlattr *attrs[TIPC_NLA_LINK_MAX + 1] = {};
+ struct nlattr *prop[TIPC_NLA_PROP_MAX + 1] = {};
+ struct nlattr *stats[TIPC_NLA_STATS_MAX + 1] = {};
+
+ mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info);
+ if (!info[TIPC_NLA_LINK])
+ return MNL_CB_ERROR;
+
+ mnl_attr_parse_nested(info[TIPC_NLA_LINK], parse_attrs, attrs);
+ if (!attrs[TIPC_NLA_LINK_NAME] || !attrs[TIPC_NLA_LINK_PROP] ||
+ !attrs[TIPC_NLA_LINK_STATS])
+ return MNL_CB_ERROR;
+
+ mnl_attr_parse_nested(attrs[TIPC_NLA_LINK_PROP], parse_attrs, prop);
+ mnl_attr_parse_nested(attrs[TIPC_NLA_LINK_STATS], parse_attrs, stats);
+
+ name = mnl_attr_get_str(attrs[TIPC_NLA_LINK_NAME]);
+
+ /* If a link is passed, skip all but that link.
+ * Support a substring matching as well.
+ */
+ if (link && !strstr(name, link))
+ return MNL_CB_OK;
+
+ if (attrs[TIPC_NLA_LINK_BROADCAST]) {
+ return _show_bc_link_stat(name, prop, stats);
+ }
+
+ return _show_link_stat(name, attrs, prop, stats);
+}
+
+static void cmd_link_stat_show_help(struct cmdl *cmdl)
+{
+ fprintf(stderr, "Usage: %s link stat show [ link { LINK | SUBSTRING | all } ]\n",
+ cmdl->argv[0]);
+}
+
+static int cmd_link_stat_show(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ char *link = NULL;
+ struct opt *opt;
+ struct opt opts[] = {
+ { "link", OPT_KEYVAL, NULL },
+ { NULL }
+ };
+ struct nlattr *attrs;
+ int err = 0;
+
+ if (help_flag) {
+ (cmd->help)(cmdl);
+ return -EINVAL;
+ }
+
+ nlh = msg_init(TIPC_NL_LINK_GET);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+
+ if (parse_opts(opts, cmdl) < 0)
+ return -EINVAL;
+
+ opt = get_opt(opts, "link");
+ if (opt) {
+ if (strcmp(opt->val, "all"))
+ link = opt->val;
+ /* Set the flag to dump all bc links */
+ attrs = mnl_attr_nest_start(nlh, TIPC_NLA_LINK);
+ mnl_attr_put(nlh, TIPC_NLA_LINK_BROADCAST, 0, NULL);
+ mnl_attr_nest_end(nlh, attrs);
+ }
+
+ new_json_obj(json);
+ err = msg_dumpit(nlh, link_stat_show_cb, link);
+ delete_json_obj();
+ return err;
+}
+
+static void cmd_link_stat_help(struct cmdl *cmdl)
+{
+ fprintf(stderr, "Usage: %s link stat COMMAND [ARGS]\n\n"
+ "COMMANDS:\n"
+ " reset - Reset link statistics for link\n"
+ " show - Get link priority\n",
+ cmdl->argv[0]);
+}
+
+static int cmd_link_stat(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ const struct cmd cmds[] = {
+ { "reset", cmd_link_stat_reset, cmd_link_stat_reset_help },
+ { "show", cmd_link_stat_show, cmd_link_stat_show_help },
+ { NULL }
+ };
+
+ return run_cmd(nlh, cmd, cmds, cmdl, NULL);
+}
+
+static void cmd_link_set_help(struct cmdl *cmdl)
+{
+ fprintf(stderr, "Usage: %s link set PPROPERTY link LINK\n\n"
+ "PROPERTIES\n"
+ " tolerance TOLERANCE - Set link tolerance\n"
+ " priority PRIORITY - Set link priority\n"
+ " window WINDOW - Set link window\n"
+ " broadcast BROADCAST - Set link broadcast\n",
+ cmdl->argv[0]);
+}
+
+static int cmd_link_set_prop(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ int val;
+ int prop;
+ struct nlattr *props;
+ struct nlattr *attrs;
+ struct opt *opt;
+ struct opt opts[] = {
+ { "link", OPT_KEYVAL, NULL },
+ { NULL }
+ };
+
+ if (strcmp(cmd->cmd, PRIORITY_STR) == 0)
+ prop = TIPC_NLA_PROP_PRIO;
+ else if ((strcmp(cmd->cmd, TOLERANCE_STR) == 0))
+ prop = TIPC_NLA_PROP_TOL;
+ else if ((strcmp(cmd->cmd, WINDOW_STR) == 0))
+ prop = TIPC_NLA_PROP_WIN;
+ else
+ return -EINVAL;
+
+ if (help_flag) {
+ (cmd->help)(cmdl);
+ return -EINVAL;
+ }
+
+ if (cmdl->optind >= cmdl->argc) {
+ fprintf(stderr, "error, missing value\n");
+ return -EINVAL;
+ }
+ val = atoi(shift_cmdl(cmdl));
+
+ if (parse_opts(opts, cmdl) < 0)
+ return -EINVAL;
+
+ nlh = msg_init(TIPC_NL_LINK_SET);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+ attrs = mnl_attr_nest_start(nlh, TIPC_NLA_LINK);
+
+ opt = get_opt(opts, "link");
+ if (!opt) {
+ fprintf(stderr, "error, missing link\n");
+ return -EINVAL;
+ }
+ mnl_attr_put_strz(nlh, TIPC_NLA_LINK_NAME, opt->val);
+
+ props = mnl_attr_nest_start(nlh, TIPC_NLA_LINK_PROP);
+ mnl_attr_put_u32(nlh, prop, val);
+ mnl_attr_nest_end(nlh, props);
+
+ mnl_attr_nest_end(nlh, attrs);
+
+ return msg_doit(nlh, link_get_cb, &prop);
+}
+
+static void cmd_link_set_bcast_help(struct cmdl *cmdl)
+{
+ fprintf(stderr, "Usage: %s link set broadcast PROPERTY\n\n"
+ "PROPERTIES\n"
+ " BROADCAST - Forces all multicast traffic to be\n"
+ " transmitted via broadcast only,\n"
+ " irrespective of cluster size and number\n"
+ " of destinations\n\n"
+ " REPLICAST - Forces all multicast traffic to be\n"
+ " transmitted via replicast only,\n"
+ " irrespective of cluster size and number\n"
+ " of destinations\n\n"
+ " AUTOSELECT - Auto switching to broadcast or replicast\n"
+ " depending on cluster size and destination\n"
+ " node number\n\n"
+ " ratio SIZE - Set the AUTOSELECT criteria, percentage of\n"
+ " destination nodes vs cluster size\n\n",
+ cmdl->argv[0]);
+}
+
+static int cmd_link_set_bcast(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ struct nlattr *props;
+ struct nlattr *attrs;
+ struct opt *opt;
+ struct opt opts[] = {
+ { "BROADCAST", OPT_KEY, NULL },
+ { "REPLICAST", OPT_KEY, NULL },
+ { "AUTOSELECT", OPT_KEY, NULL },
+ { "ratio", OPT_KEYVAL, NULL },
+ { NULL }
+ };
+ int method = 0;
+
+ if (help_flag) {
+ (cmd->help)(cmdl);
+ return -EINVAL;
+ }
+
+ if (parse_opts(opts, cmdl) < 0)
+ return -EINVAL;
+
+ for (opt = opts; opt->key; opt++)
+ if (opt->val)
+ break;
+
+ if (!opt || !opt->key) {
+ (cmd->help)(cmdl);
+ return -EINVAL;
+ }
+
+ nlh = msg_init(TIPC_NL_LINK_SET);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+
+ attrs = mnl_attr_nest_start(nlh, TIPC_NLA_LINK);
+ /* Direct to broadcast-link setting */
+ mnl_attr_put_strz(nlh, TIPC_NLA_LINK_NAME, tipc_bclink_name);
+ props = mnl_attr_nest_start(nlh, TIPC_NLA_LINK_PROP);
+
+ if (get_opt(opts, "BROADCAST"))
+ method = 0x1;
+ else if (get_opt(opts, "REPLICAST"))
+ method = 0x2;
+ else if (get_opt(opts, "AUTOSELECT"))
+ method = 0x4;
+
+ opt = get_opt(opts, "ratio");
+ if (!method && !opt) {
+ (cmd->help)(cmdl);
+ return -EINVAL;
+ }
+
+ if (method)
+ mnl_attr_put_u32(nlh, TIPC_NLA_PROP_BROADCAST, method);
+
+ if (opt)
+ mnl_attr_put_u32(nlh, TIPC_NLA_PROP_BROADCAST_RATIO,
+ atoi(opt->val));
+
+ mnl_attr_nest_end(nlh, props);
+ mnl_attr_nest_end(nlh, attrs);
+ return msg_doit(nlh, NULL, NULL);
+}
+
+static int cmd_link_set(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ const struct cmd cmds[] = {
+ { PRIORITY_STR, cmd_link_set_prop, cmd_link_set_help },
+ { TOLERANCE_STR, cmd_link_set_prop, cmd_link_set_help },
+ { WINDOW_STR, cmd_link_set_prop, cmd_link_set_help },
+ { BROADCAST_STR, cmd_link_set_bcast, cmd_link_set_bcast_help },
+ { NULL }
+ };
+
+ return run_cmd(nlh, cmd, cmds, cmdl, NULL);
+}
+
+static int cmd_link_mon_set_prop(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ int size;
+ struct nlattr *attrs;
+
+ if (cmdl->argc != cmdl->optind + 1) {
+ fprintf(stderr, "error, missing value\n");
+ return -EINVAL;
+ }
+ size = atoi(shift_cmdl(cmdl));
+
+ nlh = msg_init(TIPC_NL_MON_SET);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+ attrs = mnl_attr_nest_start(nlh, TIPC_NLA_MON);
+
+ mnl_attr_put_u32(nlh, TIPC_NLA_MON_ACTIVATION_THRESHOLD, size);
+
+ mnl_attr_nest_end(nlh, attrs);
+
+ return msg_doit(nlh, NULL, NULL);
+}
+
+static int link_mon_summary_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+ struct nlattr *info[TIPC_NLA_MAX + 1] = {};
+ struct nlattr *attrs[TIPC_NLA_MON_MAX + 1] = {};
+
+ mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info);
+ if (!info[TIPC_NLA_MON])
+ return MNL_CB_ERROR;
+
+ mnl_attr_parse_nested(info[TIPC_NLA_MON], parse_attrs, attrs);
+
+ open_json_object(NULL);
+ print_string(PRINT_ANY, "bearer", "\nbearer %s\n",
+ mnl_attr_get_str(attrs[TIPC_NLA_MON_BEARER_NAME]));
+
+ print_uint(PRINT_ANY, "table_generation", " table_generation %u\n",
+ mnl_attr_get_u32(attrs[TIPC_NLA_MON_LISTGEN]));
+ print_uint(PRINT_ANY, "cluster_size", " cluster_size %u\n",
+ mnl_attr_get_u32(attrs[TIPC_NLA_MON_PEERCNT]));
+ print_string(PRINT_ANY, "algorithm", " algorithm %s\n",
+ attrs[TIPC_NLA_MON_ACTIVE] ? "overlapping-ring" : "full-mesh");
+ close_json_object();
+
+ return MNL_CB_OK;
+}
+
+static int cmd_link_mon_summary(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ int err = 0;
+
+ if (help_flag) {
+ fprintf(stderr, "Usage: %s monitor summary\n", cmdl->argv[0]);
+ return -EINVAL;
+ }
+
+ nlh = msg_init(TIPC_NL_MON_GET);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+
+ new_json_obj(json);
+ err = msg_dumpit(nlh, link_mon_summary_cb, NULL);
+ delete_json_obj();
+
+ return err;
+}
+
+#define STATUS_WIDTH 7
+#define MAX_NODE_WIDTH 14 /* 255.4095.4095 */
+#define MAX_DOM_GEN_WIDTH 11 /* 65535 */
+#define DIRECTLY_MON_WIDTH 10
+
+#define APPL_NODE_STATUS_WIDTH 5
+
+static int map_get(uint64_t up_map, int i)
+{
+ return (up_map & (1 << i)) >> i;
+}
+
+/* print the applied members, since we know the the members
+ * are listed in ascending order, we print only the state
+ */
+static void link_mon_print_applied(uint16_t applied, uint64_t up_map)
+{
+ int i;
+
+ open_json_array(PRINT_JSON, "applied_node_status");
+ for (i = 0; i < applied; i++) {
+ char state_str[2] = {0};
+
+ /* print the delimiter for every -n- entry */
+ if (i && !(i % APPL_NODE_STATUS_WIDTH))
+ print_string(PRINT_FP, NULL, "%s", ",");
+
+ sprintf(state_str, "%c", map_get(up_map, i) ? 'U' : 'D');
+ print_string(PRINT_ANY, NULL, "%s", state_str);
+ }
+ close_json_array(PRINT_JSON, "applied_node_status");
+}
+
+/* print the non applied members, since we don't know
+ * the members, we print them along with the state
+ */
+static void link_mon_print_non_applied(uint16_t applied, uint16_t member_cnt,
+ uint64_t up_map, uint32_t *members)
+{
+ int i;
+ char state;
+
+ open_json_array(PRINT_JSON, "[non_applied_node:status]");
+ print_string(PRINT_FP, NULL, " %s", "[");
+ for (i = applied; i < member_cnt; i++) {
+ char addr_str[16];
+ char full_state[17] = {0};
+
+ /* print the delimiter for every entry */
+ if (i != applied)
+ print_string(PRINT_FP, NULL, "%s", ",");
+
+ sprintf(addr_str, "%x:", members[i]);
+ state = map_get(up_map, i) ? 'U' : 'D';
+ sprintf(full_state, "%s%c", addr_str, state);
+ print_string(PRINT_ANY, NULL, "%s", full_state);
+ }
+ print_string(PRINT_FP, NULL, "%s", "]");
+ close_json_array(PRINT_JSON, "[non_applied_node:status]");
+}
+
+static void link_mon_print_peer_state(const uint32_t addr, const char *status,
+ const char *monitored,
+ const uint32_t dom_gen)
+{
+ char addr_str[16];
+
+ sprintf(addr_str, "%u.%u.%u", tipc_zone(addr), tipc_cluster(addr),
+ tipc_node(addr));
+ if (is_json_context()) {
+ print_string(PRINT_JSON, "node", NULL, addr_str);
+ print_string(PRINT_JSON, "status", NULL, status);
+ print_string(PRINT_JSON, "monitored", NULL, monitored);
+ print_uint(PRINT_JSON, "generation", NULL, dom_gen);
+ } else {
+ printf("%-*s", MAX_NODE_WIDTH, addr_str);
+ printf("%-*s", STATUS_WIDTH, status);
+ printf("%-*s", DIRECTLY_MON_WIDTH, monitored);
+ printf("%-*u", MAX_DOM_GEN_WIDTH, dom_gen);
+ }
+}
+
+static int link_mon_peer_list_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+ struct nlattr *attrs[TIPC_NLA_MON_PEER_MAX + 1] = {};
+ struct nlattr *info[TIPC_NLA_MAX + 1] = {};
+ uint16_t member_cnt;
+ uint32_t applied;
+ uint32_t dom_gen;
+ uint64_t up_map;
+ char status[16];
+ char monitored[16];
+
+ mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info);
+ if (!info[TIPC_NLA_MON_PEER])
+ return MNL_CB_ERROR;
+
+ open_json_object(NULL);
+ mnl_attr_parse_nested(info[TIPC_NLA_MON_PEER], parse_attrs, attrs);
+
+ (attrs[TIPC_NLA_MON_PEER_LOCAL] || attrs[TIPC_NLA_MON_PEER_HEAD]) ?
+ strcpy(monitored, "direct") :
+ strcpy(monitored, "indirect");
+
+ attrs[TIPC_NLA_MON_PEER_UP] ?
+ strcpy(status, "up") :
+ strcpy(status, "down");
+
+ dom_gen = attrs[TIPC_NLA_MON_PEER_DOMGEN] ?
+ mnl_attr_get_u32(attrs[TIPC_NLA_MON_PEER_DOMGEN]) : 0;
+
+ link_mon_print_peer_state(mnl_attr_get_u32(attrs[TIPC_NLA_MON_PEER_ADDR]),
+ status, monitored, dom_gen);
+
+ applied = mnl_attr_get_u32(attrs[TIPC_NLA_MON_PEER_APPLIED]);
+
+ if (!applied)
+ goto exit;
+
+ up_map = mnl_attr_get_u64(attrs[TIPC_NLA_MON_PEER_UPMAP]);
+
+ member_cnt = mnl_attr_get_payload_len(attrs[TIPC_NLA_MON_PEER_MEMBERS]);
+
+ /* each tipc address occupies 4 bytes of payload, hence compensate it */
+ member_cnt /= sizeof(uint32_t);
+
+ link_mon_print_applied(applied, up_map);
+
+ link_mon_print_non_applied(applied, member_cnt, up_map,
+ mnl_attr_get_payload(attrs[TIPC_NLA_MON_PEER_MEMBERS]));
+
+exit:
+ print_string(PRINT_FP, NULL, "\n", "");
+
+ close_json_object();
+ return MNL_CB_OK;
+}
+
+static int link_mon_peer_list(uint32_t mon_ref)
+{
+ struct mnlu_gen_socket link_nlg;
+ struct nlmsghdr *nlh;
+ struct nlattr *nest;
+ int err = 0;
+
+ err = mnlu_gen_socket_open(&link_nlg, TIPC_GENL_V2_NAME,
+ TIPC_GENL_V2_VERSION);
+ if (err)
+ return -1;
+ nlh = mnlu_gen_socket_cmd_prepare(&link_nlg, TIPC_NL_MON_PEER_GET,
+ NLM_F_REQUEST | NLM_F_DUMP);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ mnlu_gen_socket_close(&link_nlg);
+ return -1;
+ }
+
+ nest = mnl_attr_nest_start(nlh, TIPC_NLA_MON);
+ mnl_attr_put_u32(nlh, TIPC_NLA_MON_REF, mon_ref);
+ mnl_attr_nest_end(nlh, nest);
+
+ err = mnlu_gen_socket_sndrcv(&link_nlg, nlh, link_mon_peer_list_cb,
+ NULL);
+ mnlu_gen_socket_close(&link_nlg);
+ return err;
+}
+
+static int link_mon_list_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+ struct nlattr *info[TIPC_NLA_MAX + 1] = {};
+ struct nlattr *attrs[TIPC_NLA_MON_MAX + 1] = {};
+ char *req_bearer = data;
+ const char *bname;
+ const char title[] =
+ "node status monitored generation applied_node_status [non_applied_node:status]";
+
+ mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info);
+ if (!info[TIPC_NLA_MON])
+ return MNL_CB_ERROR;
+
+ mnl_attr_parse_nested(info[TIPC_NLA_MON], parse_attrs, attrs);
+
+ bname = mnl_attr_get_str(attrs[TIPC_NLA_MON_BEARER_NAME]);
+
+ if (*req_bearer && (strcmp(req_bearer, bname) != 0))
+ return MNL_CB_OK;
+
+ open_json_object(NULL);
+ print_string(PRINT_ANY, "bearer", "\nbearer %s\n", bname);
+ print_string(PRINT_FP, NULL, "%s\n", title);
+
+ open_json_array(PRINT_JSON, bname);
+ if (mnl_attr_get_u32(attrs[TIPC_NLA_MON_PEERCNT]))
+ link_mon_peer_list(mnl_attr_get_u32(attrs[TIPC_NLA_MON_REF]));
+ close_json_array(PRINT_JSON, bname);
+
+ close_json_object();
+ return MNL_CB_OK;
+}
+
+static void cmd_link_mon_list_help(struct cmdl *cmdl)
+{
+ fprintf(stderr, "Usage: %s monitor list [ media MEDIA ARGS...]\n\n",
+ cmdl->argv[0]);
+ print_bearer_media();
+}
+
+static void cmd_link_mon_list_l2_help(struct cmdl *cmdl, char *media)
+{
+ fprintf(stderr,
+ "Usage: %s monitor list media %s device DEVICE [OPTIONS]\n",
+ cmdl->argv[0], media);
+}
+
+static void cmd_link_mon_list_udp_help(struct cmdl *cmdl, char *media)
+{
+ fprintf(stderr,
+ "Usage: %s monitor list media udp name NAME\n\n",
+ cmdl->argv[0]);
+}
+
+static int cmd_link_mon_list(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ char bname[TIPC_MAX_BEARER_NAME] = {0};
+ struct opt opts[] = {
+ { "media", OPT_KEYVAL, NULL },
+ { "device", OPT_KEYVAL, NULL },
+ { "name", OPT_KEYVAL, NULL },
+ { NULL }
+ };
+ struct tipc_sup_media sup_media[] = {
+ { "udp", "name", cmd_link_mon_list_udp_help},
+ { "eth", "device", cmd_link_mon_list_l2_help },
+ { "ib", "device", cmd_link_mon_list_l2_help },
+ { NULL, },
+ };
+
+ int err;
+
+ if (parse_opts(opts, cmdl) < 0)
+ return -EINVAL;
+
+ if (get_opt(opts, "media")) {
+ err = cmd_get_unique_bearer_name(cmd, cmdl, opts, bname,
+ sup_media);
+ if (err)
+ return err;
+ }
+
+ if (help_flag) {
+ cmd->help(cmdl);
+ return -EINVAL;
+ }
+
+ nlh = msg_init(TIPC_NL_MON_GET);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+
+ new_json_obj(json);
+ err = msg_dumpit(nlh, link_mon_list_cb, bname);
+ delete_json_obj();
+ return err;
+}
+
+static void cmd_link_mon_set_help(struct cmdl *cmdl)
+{
+ fprintf(stderr, "Usage: %s monitor set PPROPERTY\n\n"
+ "PROPERTIES\n"
+ " threshold SIZE - Set monitor activation threshold\n",
+ cmdl->argv[0]);
+}
+
+static int cmd_link_mon_set(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ const struct cmd cmds[] = {
+ { "threshold", cmd_link_mon_set_prop, NULL },
+ { NULL }
+ };
+
+ return run_cmd(nlh, cmd, cmds, cmdl, NULL);
+}
+
+static void cmd_link_mon_get_help(struct cmdl *cmdl)
+{
+ fprintf(stderr, "Usage: %s monitor get PPROPERTY\n\n"
+ "PROPERTIES\n"
+ " threshold - Get monitor activation threshold\n",
+ cmdl->argv[0]);
+}
+
+static int link_mon_get_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+ struct nlattr *info[TIPC_NLA_MAX + 1] = {};
+ struct nlattr *attrs[TIPC_NLA_MON_MAX + 1] = {};
+
+ mnl_attr_parse(nlh, sizeof(*genl), parse_attrs, info);
+ if (!info[TIPC_NLA_MON])
+ return MNL_CB_ERROR;
+
+ mnl_attr_parse_nested(info[TIPC_NLA_MON], parse_attrs, attrs);
+ if (!attrs[TIPC_NLA_MON_ACTIVATION_THRESHOLD])
+ return MNL_CB_ERROR;
+
+ new_json_obj(json);
+ print_uint(PRINT_ANY, "threshold", "%u\n",
+ mnl_attr_get_u32(attrs[TIPC_NLA_MON_ACTIVATION_THRESHOLD]));
+ delete_json_obj();
+
+ return MNL_CB_OK;
+}
+
+static int cmd_link_mon_get_prop(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+
+ nlh = msg_init(TIPC_NL_MON_GET);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+
+ return msg_doit(nlh, link_mon_get_cb, NULL);
+}
+
+static int cmd_link_mon_get(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ const struct cmd cmds[] = {
+ { "threshold", cmd_link_mon_get_prop, NULL},
+ { NULL }
+ };
+
+ return run_cmd(nlh, cmd, cmds, cmdl, NULL);
+}
+
+static void cmd_link_mon_help(struct cmdl *cmdl)
+{
+ fprintf(stderr,
+ "Usage: %s montior COMMAND [ARGS] ...\n\n"
+ "COMMANDS\n"
+ " set - Set monitor properties\n"
+ " get - Get monitor properties\n"
+ " list - List all cluster members\n"
+ " summary - Show local node monitor summary\n",
+ cmdl->argv[0]);
+}
+
+static int cmd_link_mon(struct nlmsghdr *nlh, const struct cmd *cmd, struct cmdl *cmdl,
+ void *data)
+{
+ const struct cmd cmds[] = {
+ { "set", cmd_link_mon_set, cmd_link_mon_set_help },
+ { "get", cmd_link_mon_get, cmd_link_mon_get_help },
+ { "list", cmd_link_mon_list, cmd_link_mon_list_help },
+ { "summary", cmd_link_mon_summary, NULL },
+ { NULL }
+ };
+
+ return run_cmd(nlh, cmd, cmds, cmdl, NULL);
+}
+
+void cmd_link_help(struct cmdl *cmdl)
+{
+ fprintf(stderr,
+ "Usage: %s link COMMAND [ARGS] ...\n"
+ "\n"
+ "COMMANDS\n"
+ " list - List links\n"
+ " get - Get various link properties\n"
+ " set - Set various link properties\n"
+ " statistics - Show or reset statistics\n"
+ " monitor - Show or set link supervision\n",
+ cmdl->argv[0]);
+}
+
+int cmd_link(struct nlmsghdr *nlh, const struct cmd *cmd, struct cmdl *cmdl,
+ void *data)
+{
+ const struct cmd cmds[] = {
+ { "get", cmd_link_get, cmd_link_get_help },
+ { "list", cmd_link_list, NULL },
+ { "set", cmd_link_set, cmd_link_set_help },
+ { "statistics", cmd_link_stat, cmd_link_stat_help },
+ { "monitor", cmd_link_mon, cmd_link_mon_help },
+ { NULL }
+ };
+
+ return run_cmd(nlh, cmd, cmds, cmdl, NULL);
+}