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-rw-r--r--src/nxt_conf.c14
-rw-r--r--src/nxt_conf.h2
-rw-r--r--src/nxt_conn.h23
-rw-r--r--src/nxt_conn_accept.c9
-rw-r--r--src/nxt_conn_close.c14
-rw-r--r--src/nxt_controller.c169
-rw-r--r--src/nxt_event_engine.h4
-rw-r--r--src/nxt_h1proto.c13
-rw-r--r--src/nxt_port.h5
-rw-r--r--src/nxt_router.c81
-rw-r--r--src/nxt_status.c102
-rw-r--r--src/nxt_status.h32
12 files changed, 452 insertions, 16 deletions
diff --git a/src/nxt_conf.c b/src/nxt_conf.c
index a44b8c75..c6312f3d 100644
--- a/src/nxt_conf.c
+++ b/src/nxt_conf.c
@@ -278,6 +278,20 @@ nxt_conf_set_member(nxt_conf_value_t *object, nxt_str_t *name,
}
+nxt_int_t
+nxt_conf_set_member_dup(nxt_conf_value_t *object, nxt_mp_t *mp, nxt_str_t *name,
+ nxt_conf_value_t *value, uint32_t index)
+{
+ nxt_conf_object_member_t *member;
+
+ member = &object->u.object->members[index];
+
+ member->value = *value;
+
+ return nxt_conf_set_string_dup(&member->name, mp, name);
+}
+
+
void
nxt_conf_set_member_string(nxt_conf_value_t *object, nxt_str_t *name,
nxt_str_t *value, uint32_t index)
diff --git a/src/nxt_conf.h b/src/nxt_conf.h
index f95b61c1..c8a276c0 100644
--- a/src/nxt_conf.h
+++ b/src/nxt_conf.h
@@ -127,6 +127,8 @@ NXT_EXPORT nxt_uint_t nxt_conf_object_members_count(nxt_conf_value_t *value);
nxt_conf_value_t *nxt_conf_create_object(nxt_mp_t *mp, nxt_uint_t count);
void nxt_conf_set_member(nxt_conf_value_t *object, nxt_str_t *name,
const nxt_conf_value_t *value, uint32_t index);
+nxt_int_t nxt_conf_set_member_dup(nxt_conf_value_t *object, nxt_mp_t *mp,
+ nxt_str_t *name, nxt_conf_value_t *value, uint32_t index);
void nxt_conf_set_member_string(nxt_conf_value_t *object, nxt_str_t *name,
nxt_str_t *value, uint32_t index);
nxt_int_t nxt_conf_set_member_string_dup(nxt_conf_value_t *object, nxt_mp_t *mp,
diff --git a/src/nxt_conn.h b/src/nxt_conn.h
index a443601f..8a703e9a 100644
--- a/src/nxt_conn.h
+++ b/src/nxt_conn.h
@@ -160,6 +160,7 @@ struct nxt_conn_s {
uint8_t block_read; /* 1 bit */
uint8_t block_write; /* 1 bit */
uint8_t delayed; /* 1 bit */
+ uint8_t idle; /* 1 bit */
#define NXT_CONN_SENDFILE_OFF 0
#define NXT_CONN_SENDFILE_ON 1
@@ -294,6 +295,28 @@ NXT_EXPORT void nxt_event_conn_job_sendfile(nxt_task_t *task,
} while (0)
+#define nxt_conn_idle(engine, c) \
+ do { \
+ nxt_event_engine_t *e = engine; \
+ \
+ nxt_queue_insert_head(&e->idle_connections, &c->link); \
+ \
+ c->idle = 1; \
+ e->idle_conns_cnt++; \
+ } while (0)
+
+
+#define nxt_conn_active(engine, c) \
+ do { \
+ nxt_event_engine_t *e = engine; \
+ \
+ nxt_queue_remove(&c->link); \
+ \
+ c->idle = 0; \
+ e->idle_conns_cnt--; \
+ } while (0)
+
+
extern nxt_conn_io_t nxt_unix_conn_io;
diff --git a/src/nxt_conn_accept.c b/src/nxt_conn_accept.c
index 77c44c58..720c7b64 100644
--- a/src/nxt_conn_accept.c
+++ b/src/nxt_conn_accept.c
@@ -187,7 +187,8 @@ nxt_conn_io_accept(nxt_task_t *task, void *obj, void *data)
void
nxt_conn_accept(nxt_task_t *task, nxt_listen_event_t *lev, nxt_conn_t *c)
{
- nxt_conn_t *next;
+ nxt_conn_t *next;
+ nxt_event_engine_t *engine;
nxt_sockaddr_text(c->remote);
@@ -195,7 +196,11 @@ nxt_conn_accept(nxt_task_t *task, nxt_listen_event_t *lev, nxt_conn_t *c)
(size_t) c->remote->address_length,
nxt_sockaddr_address(c->remote));
- nxt_queue_insert_head(&task->thread->engine->idle_connections, &c->link);
+ engine = task->thread->engine;
+
+ engine->accepted_conns_cnt++;
+
+ nxt_conn_idle(engine, c);
c->listen = lev;
lev->count++;
diff --git a/src/nxt_conn_close.c b/src/nxt_conn_close.c
index 7c130309..92bd8d1b 100644
--- a/src/nxt_conn_close.c
+++ b/src/nxt_conn_close.c
@@ -119,6 +119,8 @@ nxt_conn_close_handler(nxt_task_t *task, void *obj, void *data)
nxt_socket_close(task, c->socket.fd);
c->socket.fd = -1;
+ engine->closed_conns_cnt++;
+
if (timers_pending == 0) {
nxt_work_queue_add(&engine->fast_work_queue,
c->write_state->ready_handler,
@@ -137,8 +139,9 @@ nxt_conn_close_handler(nxt_task_t *task, void *obj, void *data)
static void
nxt_conn_close_timer_handler(nxt_task_t *task, void *obj, void *data)
{
- nxt_conn_t *c;
- nxt_timer_t *timer;
+ nxt_conn_t *c;
+ nxt_timer_t *timer;
+ nxt_event_engine_t *engine;
timer = obj;
@@ -146,13 +149,16 @@ nxt_conn_close_timer_handler(nxt_task_t *task, void *obj, void *data)
nxt_debug(task, "conn close timer handler fd:%d", c->socket.fd);
+ engine = task->thread->engine;
+
if (c->socket.fd != -1) {
nxt_socket_close(task, c->socket.fd);
c->socket.fd = -1;
+
+ engine->closed_conns_cnt++;
}
- nxt_work_queue_add(&task->thread->engine->fast_work_queue,
- c->write_state->ready_handler,
+ nxt_work_queue_add(&engine->fast_work_queue, c->write_state->ready_handler,
task, c, c->socket.data);
}
diff --git a/src/nxt_controller.c b/src/nxt_controller.c
index e1e9fade..09168821 100644
--- a/src/nxt_controller.c
+++ b/src/nxt_controller.c
@@ -9,6 +9,7 @@
#include <nxt_runtime.h>
#include <nxt_main_process.h>
#include <nxt_conf.h>
+#include <nxt_status.h>
#include <nxt_cert.h>
@@ -85,6 +86,12 @@ static void nxt_controller_process_request(nxt_task_t *task,
static void nxt_controller_process_config(nxt_task_t *task,
nxt_controller_request_t *req, nxt_str_t *path);
static nxt_bool_t nxt_controller_check_postpone_request(nxt_task_t *task);
+static void nxt_controller_process_status(nxt_task_t *task,
+ nxt_controller_request_t *req);
+static void nxt_controller_status_handler(nxt_task_t *task,
+ nxt_port_recv_msg_t *msg, void *data);
+static void nxt_controller_status_response(nxt_task_t *task,
+ nxt_controller_request_t *req, nxt_str_t *path);
#if (NXT_TLS)
static void nxt_controller_process_cert(nxt_task_t *task,
nxt_controller_request_t *req, nxt_str_t *path);
@@ -120,6 +127,7 @@ static nxt_uint_t nxt_controller_router_ready;
static nxt_controller_conf_t nxt_controller_conf;
static nxt_queue_t nxt_controller_waiting_requests;
static nxt_bool_t nxt_controller_waiting_init_conf;
+static nxt_conf_value_t *nxt_controller_status;
static const nxt_event_conn_state_t nxt_controller_conn_read_state;
@@ -1035,6 +1043,7 @@ nxt_controller_process_request(nxt_task_t *task, nxt_controller_request_t *req)
static nxt_str_t certificates = nxt_string("certificates");
#endif
static nxt_str_t config = nxt_string("config");
+ static nxt_str_t status = nxt_string("status");
c = req->conn;
path = req->parser.path;
@@ -1058,6 +1067,32 @@ nxt_controller_process_request(nxt_task_t *task, nxt_controller_request_t *req)
return;
}
+ nxt_memzero(&resp, sizeof(nxt_controller_response_t));
+
+ if (nxt_str_start(&path, "/status", 7)
+ && (path.length == 7 || path.start[7] == '/'))
+ {
+ if (!nxt_str_eq(&req->parser.method, "GET", 3)) {
+ goto invalid_method;
+ }
+
+ if (nxt_controller_status == NULL) {
+ nxt_controller_process_status(task, req);
+ return;
+ }
+
+ if (path.length == 7) {
+ path.length = 1;
+
+ } else {
+ path.length -= 7;
+ path.start += 7;
+ }
+
+ nxt_controller_status_response(task, req, &path);
+ return;
+ }
+
#if (NXT_TLS)
if (nxt_str_start(&path, "/certificates", 13)
@@ -1085,15 +1120,18 @@ nxt_controller_process_request(nxt_task_t *task, nxt_controller_request_t *req)
return;
}
- nxt_memzero(&resp, sizeof(nxt_controller_response_t));
-
if (path.length == 1 && path.start[0] == '/') {
if (!nxt_str_eq(&req->parser.method, "GET", 3)) {
goto invalid_method;
}
- count = 1;
+ if (nxt_controller_status == NULL) {
+ nxt_controller_process_status(task, req);
+ return;
+ }
+
+ count = 2;
#if (NXT_TLS)
count++;
#endif
@@ -1114,7 +1152,8 @@ nxt_controller_process_request(nxt_task_t *task, nxt_controller_request_t *req)
nxt_conf_set_member(value, &certificates, certs, i++);
#endif
- nxt_conf_set_member(value, &config, nxt_controller_conf.root, i);
+ nxt_conf_set_member(value, &config, nxt_controller_conf.root, i++);
+ nxt_conf_set_member(value, &status, nxt_controller_status, i);
resp.status = 200;
resp.conf = value;
@@ -1451,6 +1490,128 @@ nxt_controller_check_postpone_request(nxt_task_t *task)
}
+static void
+nxt_controller_process_status(nxt_task_t *task, nxt_controller_request_t *req)
+{
+ uint32_t stream;
+ nxt_int_t rc;
+ nxt_port_t *router_port, *controller_port;
+ nxt_runtime_t *rt;
+ nxt_controller_response_t resp;
+
+ if (nxt_controller_check_postpone_request(task)) {
+ nxt_queue_insert_tail(&nxt_controller_waiting_requests, &req->link);
+ return;
+ }
+
+ rt = task->thread->runtime;
+
+ router_port = rt->port_by_type[NXT_PROCESS_ROUTER];
+
+ nxt_assert(router_port != NULL);
+ nxt_assert(nxt_controller_router_ready);
+
+ controller_port = rt->port_by_type[NXT_PROCESS_CONTROLLER];
+
+ stream = nxt_port_rpc_register_handler(task, controller_port,
+ nxt_controller_status_handler,
+ nxt_controller_status_handler,
+ router_port->pid, req);
+ if (nxt_slow_path(stream == 0)) {
+ goto fail;
+ }
+
+ rc = nxt_port_socket_write(task, router_port, NXT_PORT_MSG_STATUS,
+ -1, stream, controller_port->id, NULL);
+
+ if (nxt_slow_path(rc != NXT_OK)) {
+ nxt_port_rpc_cancel(task, controller_port, stream);
+
+ goto fail;
+ }
+
+ nxt_queue_insert_head(&nxt_controller_waiting_requests, &req->link);
+ return;
+
+fail:
+
+ nxt_memzero(&resp, sizeof(nxt_controller_response_t));
+
+ resp.status = 500;
+ resp.title = (u_char *) "Failed to get status.";
+ resp.offset = -1;
+
+ nxt_controller_response(task, req, &resp);
+ return;
+}
+
+
+static void
+nxt_controller_status_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg,
+ void *data)
+{
+ nxt_conf_value_t *status;
+ nxt_controller_request_t *req;
+ nxt_controller_response_t resp;
+
+ nxt_debug(task, "controller status handler");
+
+ req = data;
+
+ if (msg->port_msg.type == NXT_PORT_MSG_RPC_READY) {
+ status = nxt_status_get((nxt_status_report_t *) msg->buf->mem.pos,
+ req->conn->mem_pool);
+ } else {
+ status = NULL;
+ }
+
+ if (status == NULL) {
+ nxt_queue_remove(&req->link);
+
+ nxt_memzero(&resp, sizeof(nxt_controller_response_t));
+
+ resp.status = 500;
+ resp.title = (u_char *) "Failed to get status.";
+ resp.offset = -1;
+
+ nxt_controller_response(task, req, &resp);
+ }
+
+ nxt_controller_status = status;
+
+ nxt_controller_flush_requests(task);
+
+ nxt_controller_status = NULL;
+}
+
+
+static void
+nxt_controller_status_response(nxt_task_t *task, nxt_controller_request_t *req,
+ nxt_str_t *path)
+{
+ nxt_conf_value_t *status;
+ nxt_controller_response_t resp;
+
+ status = nxt_conf_get_path(nxt_controller_status, path);
+
+ nxt_memzero(&resp, sizeof(nxt_controller_response_t));
+
+ if (status == NULL) {
+ resp.status = 404;
+ resp.title = (u_char *) "Invalid path.";
+ resp.offset = -1;
+
+ nxt_controller_response(task, req, &resp);
+ return;
+ }
+
+ resp.status = 200;
+ resp.conf = status;
+
+ nxt_controller_response(task, req, &resp);
+}
+
+
#if (NXT_TLS)
static void
diff --git a/src/nxt_event_engine.h b/src/nxt_event_engine.h
index 91cfc0aa..4153742d 100644
--- a/src/nxt_event_engine.h
+++ b/src/nxt_event_engine.h
@@ -483,6 +483,10 @@ struct nxt_event_engine_s {
nxt_queue_t idle_connections;
nxt_array_t *mem_cache;
+ nxt_atomic_uint_t accepted_conns_cnt;
+ nxt_atomic_uint_t idle_conns_cnt;
+ nxt_atomic_uint_t closed_conns_cnt;
+
nxt_queue_link_t link;
// STUB: router link
nxt_queue_link_t link0;
diff --git a/src/nxt_h1proto.c b/src/nxt_h1proto.c
index 1473aaa0..852b4866 100644
--- a/src/nxt_h1proto.c
+++ b/src/nxt_h1proto.c
@@ -478,7 +478,7 @@ nxt_h1p_conn_request_init(nxt_task_t *task, void *obj, void *data)
nxt_debug(task, "h1p conn request init");
- nxt_queue_remove(&c->link);
+ nxt_conn_active(task->thread->engine, c);
r = nxt_http_request_create(task);
@@ -1739,7 +1739,7 @@ nxt_h1p_conn_close(nxt_task_t *task, void *obj, void *data)
nxt_debug(task, "h1p conn close");
- nxt_queue_remove(&c->link);
+ nxt_conn_active(task->thread->engine, c);
nxt_h1p_shutdown(task, c);
}
@@ -1754,7 +1754,7 @@ nxt_h1p_conn_error(nxt_task_t *task, void *obj, void *data)
nxt_debug(task, "h1p conn error");
- nxt_queue_remove(&c->link);
+ nxt_conn_active(task->thread->engine, c);
nxt_h1p_shutdown(task, c);
}
@@ -1801,7 +1801,8 @@ nxt_h1p_keepalive(nxt_task_t *task, nxt_h1proto_t *h1p, nxt_conn_t *c)
c->sent = 0;
engine = task->thread->engine;
- nxt_queue_insert_head(&engine->idle_connections, &c->link);
+
+ nxt_conn_idle(engine, c);
if (in == NULL) {
c->read_state = &nxt_h1p_keepalive_state;
@@ -1855,7 +1856,7 @@ nxt_h1p_idle_close(nxt_task_t *task, void *obj, void *data)
nxt_debug(task, "h1p idle close");
- nxt_queue_remove(&c->link);
+ nxt_conn_active(task->thread->engine, c);
nxt_h1p_idle_response(task, c);
}
@@ -1874,7 +1875,7 @@ nxt_h1p_idle_timeout(nxt_task_t *task, void *obj, void *data)
c = nxt_read_timer_conn(timer);
c->block_read = 1;
- nxt_queue_remove(&c->link);
+ nxt_conn_active(task->thread->engine, c);
nxt_h1p_idle_response(task, c);
}
diff --git a/src/nxt_port.h b/src/nxt_port.h
index 6b4d3c8f..3a8da5ad 100644
--- a/src/nxt_port.h
+++ b/src/nxt_port.h
@@ -53,6 +53,9 @@ struct nxt_port_handlers_s {
nxt_port_handler_t data;
nxt_port_handler_t app_restart;
+ /* Status report. */
+ nxt_port_handler_t status;
+
nxt_port_handler_t oosm;
nxt_port_handler_t shm_ack;
nxt_port_handler_t read_queue;
@@ -104,6 +107,7 @@ typedef enum {
_NXT_PORT_MSG_DATA = nxt_port_handler_idx(data),
_NXT_PORT_MSG_APP_RESTART = nxt_port_handler_idx(app_restart),
+ _NXT_PORT_MSG_STATUS = nxt_port_handler_idx(status),
_NXT_PORT_MSG_OOSM = nxt_port_handler_idx(oosm),
_NXT_PORT_MSG_SHM_ACK = nxt_port_handler_idx(shm_ack),
@@ -145,6 +149,7 @@ typedef enum {
NXT_PORT_MSG_DATA = _NXT_PORT_MSG_DATA,
NXT_PORT_MSG_DATA_LAST = nxt_msg_last(_NXT_PORT_MSG_DATA),
NXT_PORT_MSG_APP_RESTART = nxt_msg_last(_NXT_PORT_MSG_APP_RESTART),
+ NXT_PORT_MSG_STATUS = nxt_msg_last(_NXT_PORT_MSG_STATUS),
NXT_PORT_MSG_OOSM = nxt_msg_last(_NXT_PORT_MSG_OOSM),
NXT_PORT_MSG_SHM_ACK = nxt_msg_last(_NXT_PORT_MSG_SHM_ACK),
diff --git a/src/nxt_router.c b/src/nxt_router.c
index e1f4f6da..e7723a2d 100644
--- a/src/nxt_router.c
+++ b/src/nxt_router.c
@@ -7,6 +7,7 @@
#include <nxt_router.h>
#include <nxt_conf.h>
+#include <nxt_status.h>
#if (NXT_TLS)
#include <nxt_cert.h>
#endif
@@ -90,6 +91,8 @@ static void nxt_router_conf_data_handler(nxt_task_t *task,
nxt_port_recv_msg_t *msg);
static void nxt_router_app_restart_handler(nxt_task_t *task,
nxt_port_recv_msg_t *msg);
+static void nxt_router_status_handler(nxt_task_t *task,
+ nxt_port_recv_msg_t *msg);
static void nxt_router_remove_pid_handler(nxt_task_t *task,
nxt_port_recv_msg_t *msg);
@@ -269,6 +272,7 @@ static const nxt_port_handlers_t nxt_router_process_port_handlers = {
.get_mmap = nxt_router_get_mmap_handler,
.data = nxt_router_conf_data_handler,
.app_restart = nxt_router_app_restart_handler,
+ .status = nxt_router_status_handler,
.remove_pid = nxt_router_remove_pid_handler,
.access_log = nxt_router_access_log_reopen_handler,
.rpc_ready = nxt_port_rpc_handler,
@@ -919,6 +923,83 @@ fail:
static void
+nxt_router_status_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
+{
+ u_char *p;
+ size_t alloc;
+ nxt_app_t *app;
+ nxt_buf_t *b;
+ nxt_uint_t type;
+ nxt_port_t *port;
+ nxt_status_app_t *app_stat;
+ nxt_event_engine_t *engine;
+ nxt_status_report_t *report;
+
+ port = nxt_runtime_port_find(task->thread->runtime,
+ msg->port_msg.pid,
+ msg->port_msg.reply_port);
+ if (nxt_slow_path(port == NULL)) {
+ nxt_alert(task, "nxt_router_status_handler(): reply port not found");
+ return;
+ }
+
+ alloc = sizeof(nxt_status_report_t);
+
+ nxt_queue_each(app, &nxt_router->apps, nxt_app_t, link) {
+
+ alloc += sizeof(nxt_status_app_t) + app->name.length;
+
+ } nxt_queue_loop;
+
+ b = nxt_buf_mem_alloc(port->mem_pool, alloc, 0);
+ if (nxt_slow_path(b == NULL)) {
+ type = NXT_PORT_MSG_RPC_ERROR;
+ goto fail;
+ }
+
+ report = (nxt_status_report_t *) b->mem.free;
+ b->mem.free = b->mem.end;
+
+ nxt_memzero(report, sizeof(nxt_status_report_t));
+
+ nxt_queue_each(engine, &nxt_router->engines, nxt_event_engine_t, link0) {
+
+ report->accepted_conns += engine->accepted_conns_cnt;
+ report->idle_conns += engine->idle_conns_cnt;
+ report->closed_conns += engine->closed_conns_cnt;
+
+ } nxt_queue_loop;
+
+ report->apps_count = 0;
+ app_stat = report->apps;
+ p = b->mem.end;
+
+ nxt_queue_each(app, &nxt_router->apps, nxt_app_t, link) {
+ p -= app->name.length;
+
+ nxt_memcpy(p, app->name.start, app->name.length);
+
+ app_stat->name.length = app->name.length;
+ app_stat->name.start = (u_char *) (p - b->mem.pos);
+
+ app_stat->active_requests = app->active_requests;
+ app_stat->pending_processes = app->pending_processes;
+ app_stat->processes = app->processes;
+ app_stat->idle_processes = app->idle_processes;
+
+ report->apps_count++;
+ app_stat++;
+ } nxt_queue_loop;
+
+ type = NXT_PORT_MSG_RPC_READY_LAST;
+
+fail:
+
+ nxt_port_socket_write(task, port, type, -1, msg->port_msg.stream, 0, b);
+}
+
+
+static void
nxt_router_app_process_remove_pid(nxt_task_t *task, nxt_port_t *port,
void *data)
{
diff --git a/src/nxt_status.c b/src/nxt_status.c
new file mode 100644
index 00000000..529f6ebb
--- /dev/null
+++ b/src/nxt_status.c
@@ -0,0 +1,102 @@
+
+/*
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+#include <nxt_conf.h>
+#include <nxt_status.h>
+
+
+nxt_conf_value_t *
+nxt_status_get(nxt_status_report_t *report, nxt_mp_t *mp)
+{
+ size_t i;
+ nxt_str_t name;
+ nxt_int_t ret;
+ nxt_status_app_t *app;
+ nxt_conf_value_t *status, *obj, *apps, *app_obj;
+
+ static nxt_str_t conns_str = nxt_string("connections");
+ static nxt_str_t acc_str = nxt_string("accepted");
+ static nxt_str_t active_str = nxt_string("active");
+ static nxt_str_t idle_str = nxt_string("idle");
+ static nxt_str_t closed_str = nxt_string("closed");
+ static nxt_str_t reqs_str = nxt_string("requests");
+ static nxt_str_t apps_str = nxt_string("applications");
+ static nxt_str_t procs_str = nxt_string("processes");
+ static nxt_str_t run_str = nxt_string("running");
+ static nxt_str_t start_str = nxt_string("starting");
+
+ status = nxt_conf_create_object(mp, 3);
+ if (nxt_slow_path(status == NULL)) {
+ return NULL;
+ }
+
+ obj = nxt_conf_create_object(mp, 4);
+ if (nxt_slow_path(obj == NULL)) {
+ return NULL;
+ }
+
+ nxt_conf_set_member(status, &conns_str, obj, 0);
+
+ 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, 0);
+ if (nxt_slow_path(obj == NULL)) {
+ return NULL;
+ }
+
+ nxt_conf_set_member(status, &reqs_str, obj, 1);
+
+ apps = nxt_conf_create_object(mp, report->apps_count);
+ if (nxt_slow_path(obj == NULL)) {
+ return NULL;
+ }
+
+ nxt_conf_set_member(status, &apps_str, apps, 2);
+
+ 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(app_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(app_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;
+}
diff --git a/src/nxt_status.h b/src/nxt_status.h
new file mode 100644
index 00000000..b12eabcb
--- /dev/null
+++ b/src/nxt_status.h
@@ -0,0 +1,32 @@
+
+/*
+ * Copyright (C) NGINX, Inc.
+ */
+
+#ifndef _NXT_STATUS_H_INCLUDED_
+#define _NXT_STATUS_H_INCLUDED_
+
+
+typedef struct {
+ nxt_str_t name;
+ uint32_t active_requests;
+ uint32_t pending_processes;
+ uint32_t processes;
+ uint32_t idle_processes;
+} nxt_status_app_t;
+
+
+typedef struct {
+ uint64_t accepted_conns;
+ uint64_t idle_conns;
+ uint64_t closed_conns;
+
+ size_t apps_count;
+ nxt_status_app_t apps[];
+} nxt_status_report_t;
+
+
+nxt_conf_value_t *nxt_status_get(nxt_status_report_t *report, nxt_mp_t *mp);
+
+
+#endif /* _NXT_STATUS_H_INCLUDED_ */