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tipc: add link monitor get threshold 

The command prints the monitor activation threshold.
A sample usage is shown below:
$ tipc link monitor get threshold
32

$ tipc link monitor get -h
Usage: tipc monitor get PPROPERTY

PROPERTIES
 threshold      - Get monitor activation threshold

Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Tested-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
This commit is contained in:
Parthasarathy Bhuvaragan 2016-09-12 17:17:17 +02:00 committed by Stephen Hemminger
parent b33a69005e
commit 7da7ef9bd8
1 changed files with 55 additions and 1 deletions
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56
tipc/link.c
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@ -534,12 +534,65 @@ static int cmd_link_mon_set(struct nlmsghdr *nlh, const struct cmd *cmd,
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;
printf("%u\n",
mnl_attr_get_u32(attrs[TIPC_NLA_MON_ACTIVATION_THRESHOLD]));
return MNL_CB_OK;
}
static int cmd_link_mon_get_prop(struct nlmsghdr *nlh, const struct cmd *cmd,
struct cmdl *cmdl, void *data)
{
char buf[MNL_SOCKET_BUFFER_SIZE];
if (!(nlh = msg_init(buf, TIPC_NL_MON_GET))) {
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",
" set - Set monitor properties\n"
" get - Get monitor properties\n",
cmdl->argv[0]);
}
@ -548,6 +601,7 @@ static int cmd_link_mon(struct nlmsghdr *nlh, const struct cmd *cmd, struct cmdl
{
const struct cmd cmds[] = {
{ "set", cmd_link_mon_set, cmd_link_mon_set_help },
{ "get", cmd_link_mon_get, cmd_link_mon_get_help },
{ NULL }
};