/** Handle a STATS message from some connection.
*
* \a parv has the following elements:
* \li \a parv[1] is the statistics selector
* \li \a parv[2] (optional) is server to query
* \li \a parv[3] (optional) is a mask to filter the results
*
* If \a parv[1] is "l" (or "links"), \a parv[3] is a mask of servers.
* If \a parv[1] is "p" (or "P" or "ports"), \a parv[3] is a mask of
* ports. If \a parv[1] is "k" (or "K" or "klines" or "i" or "I" or
* "access"), \a parv[3] is a hostname with optional username@ prefix
* (for opers, hostmasks are allowed).
*
* See @ref m_functions for discussion of the arguments.
* @param[in] cptr Client that sent us the message.
* @param[in] sptr Original source of message.
* @param[in] parc Number of arguments.
* @param[in] parv Argument vector.
*/
int
m_stats(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
{
const struct StatDesc *sd;
char *param;
/* If we didn't find a descriptor, send them help */
if ((parc < 2) || !(sd = stats_find(parv[1])))
parv[1] = "*", sd = stats_find("*");
assert(sd != 0);
/* Check whether the client can issue this command. If source is
* not privileged (server or an operator), then the STAT_FLAG_OPERONLY
* flag must not be set, and if the STAT_FLAG_OPERFEAT flag is set,
* then the feature given by sd->sd_control must be off.
*
* This checks cptr rather than sptr so that a local oper may send
* /stats queries to other servers.
*/
if (!IsPrivileged(cptr) &&
((sd->sd_flags & STAT_FLAG_OPERONLY) ||
((sd->sd_flags & STAT_FLAG_OPERFEAT) && feature_bool(sd->sd_control))))
return send_reply(sptr, ERR_NOPRIVILEGES);
/* Check for extra parameter */
if ((sd->sd_flags & STAT_FLAG_VARPARAM) && parc > 3 && !EmptyString(parv[3]))
param = parv[3];
else
param = NULL;
/* Ok, track down who's supposed to get this... */
if (hunt_server_cmd(sptr, CMD_STATS, cptr, feature_int(FEAT_HIS_REMOTE),
param ? "%s %C :%s" : "%s :%C", 2, parc, parv) !=
HUNTED_ISME)
return 0; /* Someone else--cool :) */
/* Check if they are a local user */
if ((sd->sd_flags & STAT_FLAG_LOCONLY) && !MyUser(sptr))
return send_reply(sptr, ERR_NOPRIVILEGES);
assert(sd->sd_func != 0);
/* Ok, dispatch the stats function */
(*sd->sd_func)(sptr, sd, param);
/* Done sending them the stats */
return send_reply(sptr, RPL_ENDOFSTATS, parv[1]);
}
rrd_ctxt_datapoint_t *pi_rrd_datapoint_create (buffer_t * output, rrd_ctxt_datapoint_t * list,
unsigned char *name, unsigned char *spec)
{
rrd_ctxt_datapoint_t *dp;
value_element_t *elem = NULL;
if (name) {
elem = stats_find (name);
if (!elem) {
if (output)
bf_printf (output, _("Statistic %s not found.\n"), name);
return NULL;
}
}
dp = malloc (sizeof (rrd_ctxt_datapoint_t));
if (!dp)
return NULL;
memset (dp, 0, sizeof (rrd_ctxt_datapoint_t));
dp->elem = elem;
dp->spec = strdup (spec);
dp->next = list;
dp->prev = list->prev;
dp->next->prev = dp;
dp->prev->next = dp;
return dp;
}
