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/*
* Copyright (C) NGINX, Inc.
*/
#include <nxt_main.h>
#include <nxt_conf.h>
#include <nxt_status.h>
#include <nxt_application.h>
nxt_conf_value_t *
nxt_status_get(nxt_status_report_t *report, nxt_mp_t *mp)
{
size_t i, nr_langs;
uint16_t lang_cnts[NXT_APP_UNKNOWN] = { 1 };
uint32_t idx = 0;
nxt_str_t name;
nxt_int_t ret;
nxt_array_t *langs;
nxt_thread_t *thr;
nxt_app_type_t type, prev_type;
nxt_status_app_t *app;
nxt_conf_value_t *status, *obj, *mods, *apps, *app_obj, *mod_obj;
nxt_app_lang_module_t *modules;
static const nxt_str_t modules_str = nxt_string("modules");
static const nxt_str_t version_str = nxt_string("version");
static const nxt_str_t lib_str = nxt_string("lib");
static const nxt_str_t conns_str = nxt_string("connections");
static const nxt_str_t acc_str = nxt_string("accepted");
static const nxt_str_t active_str = nxt_string("active");
static const nxt_str_t idle_str = nxt_string("idle");
static const nxt_str_t closed_str = nxt_string("closed");
static const nxt_str_t reqs_str = nxt_string("requests");
static const nxt_str_t total_str = nxt_string("total");
static const nxt_str_t apps_str = nxt_string("applications");
static const nxt_str_t procs_str = nxt_string("processes");
static const nxt_str_t run_str = nxt_string("running");
static const nxt_str_t start_str = nxt_string("starting");
status = nxt_conf_create_object(mp, 4);
if (nxt_slow_path(status == NULL)) {
return NULL;
}
thr = nxt_thread();
langs = thr->runtime->languages;
modules = langs->elts;
/*
* We need to count the number of unique languages to correctly
* allocate the below mods object.
*
* We also need to count how many of each language.
*
* Start by skipping past NXT_APP_EXTERNAL which is always the
* first entry.
*/
for (i = 1, nr_langs = 0, prev_type = NXT_APP_UNKNOWN; i < langs->nelts;
i++)
{
type = modules[i].type;
lang_cnts[type]++;
if (type == prev_type) {
continue;
}
nr_langs++;
prev_type = type;
}
mods = nxt_conf_create_object(mp, nr_langs);
if (nxt_slow_path(mods == NULL)) {
return NULL;
}
nxt_conf_set_member(status, &modules_str, mods, idx++);
i = 1;
obj = mod_obj = NULL;
prev_type = NXT_APP_UNKNOWN;
for (size_t l = 0, a = 0; i < langs->nelts; i++) {
nxt_str_t item, mod_name;
type = modules[i].type;
if (type != prev_type) {
a = 0;
if (lang_cnts[type] == 1) {
mod_obj = nxt_conf_create_object(mp, 2);
obj = mod_obj;
} else {
mod_obj = nxt_conf_create_array(mp, lang_cnts[type]);
}
if (nxt_slow_path(mod_obj == NULL)) {
return NULL;
}
mod_name.start = (u_char *)modules[i].name;
mod_name.length = strlen(modules[i].name);
nxt_conf_set_member(mods, &mod_name, mod_obj, l++);
}
if (lang_cnts[type] > 1) {
obj = nxt_conf_create_object(mp, 2);
if (nxt_slow_path(obj == NULL)) {
return NULL;
}
nxt_conf_set_element(mod_obj, a++, obj);
}
item.start = modules[i].version;
item.length = nxt_strlen(modules[i].version);
nxt_conf_set_member_string(obj, &version_str, &item, 0);
item.start = (u_char *)modules[i].file;
item.length = strlen(modules[i].file);
nxt_conf_set_member_string(obj, &lib_str, &item, 1);
prev_type = type;
}
obj = nxt_conf_create_object(mp, 4);
if (nxt_slow_path(obj == NULL)) {
return NULL;
}
nxt_conf_set_member(status, &conns_str, obj, idx++);
nxt_conf_set_member_integer(obj, &acc_str, report->accepted_conns, 0);
nxt_conf_set_member_integer(obj, &active_str, report->accepted_conns
- report->closed_conns
- report->idle_conns, 1);
nxt_conf_set_member_integer(obj, &idle_str, report->idle_conns, 2);
nxt_conf_set_member_integer(obj, &closed_str, report->closed_conns, 3);
obj = nxt_conf_create_object(mp, 1);
if (nxt_slow_path(obj == NULL)) {
return NULL;
}
nxt_conf_set_member(status, &reqs_str, obj, idx++);
nxt_conf_set_member_integer(obj, &total_str, report->requests, 0);
apps = nxt_conf_create_object(mp, report->apps_count);
if (nxt_slow_path(apps == NULL)) {
return NULL;
}
nxt_conf_set_member(status, &apps_str, apps, idx++);
for (i = 0; i < report->apps_count; i++) {
app = &report->apps[i];
app_obj = nxt_conf_create_object(mp, 2);
if (nxt_slow_path(app_obj == NULL)) {
return NULL;
}
name.length = app->name.length;
name.start = nxt_pointer_to(report, (uintptr_t) app->name.start);
ret = nxt_conf_set_member_dup(apps, mp, &name, app_obj, i);
if (nxt_slow_path(ret != NXT_OK)) {
return NULL;
}
obj = nxt_conf_create_object(mp, 3);
if (nxt_slow_path(obj == NULL)) {
return NULL;
}
nxt_conf_set_member(app_obj, &procs_str, obj, 0);
nxt_conf_set_member_integer(obj, &run_str, app->processes, 0);
nxt_conf_set_member_integer(obj, &start_str, app->pending_processes, 1);
nxt_conf_set_member_integer(obj, &idle_str, app->idle_processes, 2);
obj = nxt_conf_create_object(mp, 1);
if (nxt_slow_path(obj == NULL)) {
return NULL;
}
nxt_conf_set_member(app_obj, &reqs_str, obj, 1);
nxt_conf_set_member_integer(obj, &active_str, app->active_requests, 0);
}
return status;
}
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