Mercurial > hg > nginx-vendor-0-5
view src/http/modules/ngx_http_stub_status_module.c @ 45:09c688b472a7
Added tag NGINX_0_1_22 for changeset 4989c3d25945
author | Igor Sysoev <http://sysoev.ru> |
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date | Tue, 22 Feb 2005 00:00:00 +0300 |
parents | 4989c3d25945 |
children | 72eb30262aac |
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#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 }; ngx_http_module_t ngx_http_stub_status_module_ctx = { NULL, /* pre conf */ 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, &ngx_http_stub_status_module_ctx, /* module context */ ngx_http_status_commands, /* module directives */ NGX_HTTP_MODULE, /* module type */ NULL, /* init module */ NULL /* init process */ }; 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_body(r); if (rc != NGX_OK && rc != NGX_AGAIN) { return rc; } r->headers_out.content_type = ngx_list_push(&r->headers_out.headers); if (r->headers_out.content_type == NULL) { return NGX_HTTP_INTERNAL_SERVER_ERROR; } r->headers_out.content_type->key.len = 0; r->headers_out.content_type->key.data = NULL; r->headers_out.content_type->value.len = sizeof("text/plain") - 1; r->headers_out.content_type->value.data = (u_char *) "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; if (!(b = ngx_create_temp_buf(r->pool, size))) { 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: %A \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, " %A %A %A \n", ap, hn, rq); b->last = ngx_sprintf(b->last, "Reading: %A Writing: %A Waiting: %A \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; }