diff options
Diffstat (limited to 'app/nginx/src/http/modules/ngx_http_stub_status_module.c')
| -rw-r--r-- | app/nginx/src/http/modules/ngx_http_stub_status_module.c | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/app/nginx/src/http/modules/ngx_http_stub_status_module.c b/app/nginx/src/http/modules/ngx_http_stub_status_module.c deleted file mode 100644 index 61199f2..0000000 --- a/app/nginx/src/http/modules/ngx_http_stub_status_module.c +++ /dev/null @@ -1,236 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -static ngx_int_t ngx_http_stub_status_handler(ngx_http_request_t *r); -static ngx_int_t ngx_http_stub_status_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data); -static ngx_int_t ngx_http_stub_status_add_variables(ngx_conf_t *cf); -static char *ngx_http_set_stub_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_NOARGS|NGX_CONF_TAKE1, - ngx_http_set_stub_status, - 0, - 0, - NULL }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_stub_status_module_ctx = { - ngx_http_stub_status_add_variables, /* 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_http_variable_t ngx_http_stub_status_vars[] = { - - { ngx_string("connections_active"), NULL, ngx_http_stub_status_variable, - 0, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("connections_reading"), NULL, ngx_http_stub_status_variable, - 1, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("connections_writing"), NULL, ngx_http_stub_status_variable, - 2, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_string("connections_waiting"), NULL, ngx_http_stub_status_variable, - 3, NGX_HTTP_VAR_NOCACHEABLE, 0 }, - - { ngx_null_string, NULL, NULL, 0, 0, 0 } -}; - - -static ngx_int_t -ngx_http_stub_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, wa; - - if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) { - return NGX_HTTP_NOT_ALLOWED; - } - - rc = ngx_http_discard_request_body(r); - - if (rc != NGX_OK) { - return rc; - } - - r->headers_out.content_type_len = sizeof("text/plain") - 1; - ngx_str_set(&r->headers_out.content_type, "text/plain"); - r->headers_out.content_type_lowcase = NULL; - - 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; - wa = *ngx_stat_waiting; - - 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, wa); - - r->headers_out.status = NGX_HTTP_OK; - r->headers_out.content_length_n = b->last - b->pos; - - b->last_buf = (r == r->main) ? 1 : 0; - b->last_in_chain = 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 ngx_int_t -ngx_http_stub_status_variable(ngx_http_request_t *r, - ngx_http_variable_value_t *v, uintptr_t data) -{ - u_char *p; - ngx_atomic_int_t value; - - p = ngx_pnalloc(r->pool, NGX_ATOMIC_T_LEN); - if (p == NULL) { - return NGX_ERROR; - } - - switch (data) { - case 0: - value = *ngx_stat_active; - break; - - case 1: - value = *ngx_stat_reading; - break; - - case 2: - value = *ngx_stat_writing; - break; - - case 3: - value = *ngx_stat_waiting; - break; - - /* suppress warning */ - default: - value = 0; - break; - } - - v->len = ngx_sprintf(p, "%uA", value) - p; - v->valid = 1; - v->no_cacheable = 0; - v->not_found = 0; - v->data = p; - - return NGX_OK; -} - - -static ngx_int_t -ngx_http_stub_status_add_variables(ngx_conf_t *cf) -{ - ngx_http_variable_t *var, *v; - - for (v = ngx_http_stub_status_vars; v->name.len; v++) { - var = ngx_http_add_variable(cf, &v->name, v->flags); - if (var == NULL) { - return NGX_ERROR; - } - - var->get_handler = v->get_handler; - var->data = v->data; - } - - return NGX_OK; -} - - -static char * -ngx_http_set_stub_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_stub_status_handler; - - return NGX_CONF_OK; -} |