1 files changed, 143 insertions, 0 deletions
diff --git a/usr.sbin/nginx/src/http/modules/ngx_http_stub_status_module.c b/usr.sbin/nginx/src/http/modules/ngx_http_stub_status_module.c
new file mode 100644
index 00000000000..4b74eb8845a
--- /dev/null
+++ b/usr.sbin/nginx/src/http/modules/ngx_http_stub_status_module.c
@@ -0,0 +1,143 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ */
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+#include <ngx_http.h>
+
+
+static char *ngx_http_set_status(ngx_conf_t *cf, ngx_command_t *cmd,
+                                 void *conf);
+
+static ngx_command_t  ngx_http_status_commands[] = {
+
+    { ngx_string("stub_status"),
+      NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+      ngx_http_set_status,
+      0,
+      0,
+      NULL },
+
+      ngx_null_command
+};
+
+
+
+static ngx_http_module_t  ngx_http_stub_status_module_ctx = {
+    NULL,                                  /* preconfiguration */
+    NULL,                                  /* postconfiguration */
+
+    NULL,                                  /* create main configuration */
+    NULL,                                  /* init main configuration */
+
+    NULL,                                  /* create server configuration */
+    NULL,                                  /* merge server configuration */
+
+    NULL,                                  /* create location configuration */
+    NULL                                   /* merge location configuration */
+};
+
+
+ngx_module_t  ngx_http_stub_status_module = {
+    NGX_MODULE_V1,
+    &ngx_http_stub_status_module_ctx,      /* module context */
+    ngx_http_status_commands,              /* module directives */
+    NGX_HTTP_MODULE,                       /* module type */
+    NULL,                                  /* init master */
+    NULL,                                  /* init module */
+    NULL,                                  /* init process */
+    NULL,                                  /* init thread */
+    NULL,                                  /* exit thread */
+    NULL,                                  /* exit process */
+    NULL,                                  /* exit master */
+    NGX_MODULE_V1_PADDING
+};
+
+
+static ngx_int_t ngx_http_status_handler(ngx_http_request_t *r)
+{
+    size_t             size;
+    ngx_int_t          rc;
+    ngx_buf_t         *b;
+    ngx_chain_t        out;
+    ngx_atomic_int_t   ap, hn, ac, rq, rd, wr;
+
+    if (r->method != NGX_HTTP_GET && r->method != NGX_HTTP_HEAD) {
+        return NGX_HTTP_NOT_ALLOWED;
+    }
+
+    rc = ngx_http_discard_request_body(r);
+
+    if (rc != NGX_OK) {
+        return rc;
+    }
+
+    ngx_str_set(&r->headers_out.content_type, "text/plain");
+
+    if (r->method == NGX_HTTP_HEAD) {
+        r->headers_out.status = NGX_HTTP_OK;
+
+        rc = ngx_http_send_header(r);
+
+        if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
+            return rc;
+        }
+    }
+
+    size = sizeof("Active connections:  \n") + NGX_ATOMIC_T_LEN
+           + sizeof("server accepts handled requests\n") - 1
+           + 6 + 3 * NGX_ATOMIC_T_LEN
+           + sizeof("Reading:  Writing:  Waiting:  \n") + 3 * NGX_ATOMIC_T_LEN;
+
+    b = ngx_create_temp_buf(r->pool, size);
+    if (b == NULL) {
+        return NGX_HTTP_INTERNAL_SERVER_ERROR;
+    }
+
+    out.buf = b;
+    out.next = NULL;
+
+    ap = *ngx_stat_accepted;
+    hn = *ngx_stat_handled;
+    ac = *ngx_stat_active;
+    rq = *ngx_stat_requests;
+    rd = *ngx_stat_reading;
+    wr = *ngx_stat_writing;
+
+    b->last = ngx_sprintf(b->last, "Active connections: %uA \n", ac);
+
+    b->last = ngx_cpymem(b->last, "server accepts handled requests\n",
+                         sizeof("server accepts handled requests\n") - 1);
+
+    b->last = ngx_sprintf(b->last, " %uA %uA %uA \n", ap, hn, rq);
+
+    b->last = ngx_sprintf(b->last, "Reading: %uA Writing: %uA Waiting: %uA \n",
+                          rd, wr, ac - (rd + wr));
+
+    r->headers_out.status = NGX_HTTP_OK;
+    r->headers_out.content_length_n = b->last - b->pos;
+
+    b->last_buf = 1;
+
+    rc = ngx_http_send_header(r);
+
+    if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
+        return rc;
+    }
+
+    return ngx_http_output_filter(r, &out);
+}
+
+
+static char *ngx_http_set_status(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
+{
+    ngx_http_core_loc_conf_t  *clcf;
+
+    clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
+    clcf->handler = ngx_http_status_handler;
+
+    return NGX_CONF_OK;
+}