static int cnt_int_fixup(void** param, int param_no)
{
char* name;
char* grp;
char* p;
counter_handle_t h;
if (param_no == 1) {
name = (char*)*param;
grp = cnt_script_grp; /* default group */
if ((p = strchr(name, '.')) != 0) {
/* found group */
grp = name;
name = p+1;
*p = 0;
}
if (counter_lookup(&h, grp, name) < 0) {
ERR("counter %s.%s does not exist (forgot to define it?)\n",
grp, name);
return -1;
}
*param = (void*)(long)h.id;
} else
return fixup_var_int_2(param, param_no);
return 0;
}
int counter_read(uint64_t ref_id, uint64_t *pval)
{
counter_t *cntr = counter_lookup(ref_id);
if (cntr == 0)
return -NOT_FOUND;
*pval = cntr->value;
return 0;
}
int counter_increment(uint64_t ref_id, uint64_t incr)
{
counter_t *cntr = counter_lookup(ref_id);
if (cntr == 0)
return -NOT_FOUND;
cntr->value += incr;
cntr->value &= cntr->mask;
return 0;
}
int counter_remove(uint64_t ref_id)
{
counter_t *cntr = counter_lookup(ref_id);
if (cntr == 0)
return -NOT_FOUND;
memmove(cntr, cntr +1,
(void *)(all_counters +nr_counters -1) -(void *)cntr);
nr_counters--;
return 0;
}
static void cnt_reset_rpc(rpc_t* rpc, void* c)
{
char* group;
char* name;
counter_handle_t h;
if (rpc->scan(c, "ss", &group, &name) < 2) {
/* rpc->fault(c, 400, "group and counter name required"); */
return;
}
if (counter_lookup(&h, group, name) < 0) {
rpc->fault(c, 400, "non-existent counter %s.%s\n", group, name);
return;
}
counter_reset(h);
return;
}
static void cnt_get_raw_rpc(rpc_t* rpc, void* c)
{
char* group;
char* name;
counter_val_t v;
counter_handle_t h;
if (rpc->scan(c, "ss", &group, &name) < 2) {
/* rpc->fault(c, 400, "group and counter name required"); */
return;
}
if (counter_lookup(&h, group, name) < 0) {
rpc->fault(c, 400, "non-existent counter %s.%s\n", group, name);
return;
}
v = counter_get_raw_val(h);
rpc->add(c, "d", (int)v);
return;
}
static void cnt_get_rpc(rpc_t* rpc, void* c)
{
char* group;
char* name;
counter_val_t v;
counter_handle_t h;
if (rpc->scan(c, "s", &group) < 1)
return;
if (rpc->scan(c, "*s", &name) < 1)
return cnt_grp_get_all(rpc, c, group);
/* group & name read */
if (counter_lookup(&h, group, name) < 0) {
rpc->fault(c, 400, "non-existent counter %s.%s\n", group, name);
return;
}
v = counter_get_val(h);
rpc->add(c, "d", (int)v);
return;
}
static void cnt_help_rpc(rpc_t* rpc, void* ctx)
{
char* group;
char* name;
char* desc;
counter_handle_t h;
if (rpc->scan(ctx, "ss", &group, &name) < 2) {
/* rpc->fault(c, 400, "group and counter name required"); */
return;
}
if (counter_lookup(&h, group, name) < 0) {
rpc->fault(ctx, 400, "non-existent counter %s.%s\n", group, name);
return;
}
desc = counter_get_doc(h);
if (desc)
rpc->add(ctx, "s", desc);
else
rpc->fault(ctx, 400, "no description for counter %s.%s\n",
group, name);
return;
}