Mercurial > hg > nginx
view src/http/modules/ngx_http_status_handler.c @ 367:ceec87d1c2b3
nginx-0.0.7-2004-06-24-11:53:37 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 24 Jun 2004 07:53:37 +0000 |
parents | src/http/modules/ngx_http_status.c@f1d0e5f09c1e |
children | 15c84a40e87d |
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#include <ngx_config.h> #include <ngx_core.h> #include <ngx_http.h> static char *ngx_http_status(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); static ngx_command_t ngx_http_status_commands[] = { { ngx_string("status"), NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, ngx_http_status, 0, 0, NULL }, ngx_null_command }; ngx_http_module_t ngx_http_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_status_module = { NGX_MODULE, &ngx_http_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 len; ngx_int_t rc; ngx_uint_t i, dash; ngx_buf_t *b; ngx_chain_t out; ngx_connection_t *c; ngx_http_request_t *rq; 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; } if (!(r->headers_out.content_type = ngx_http_add_header(&r->headers_out, ngx_http_headers_out))) { 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; } } len = 0; dash = 0; c = ngx_cycle->connections; for (i = 0; i < ngx_cycle->connection_n; i++) { rq = c[i].data; if (rq && rq->signature == NGX_HTTP_MODULE) { if (rq->request_line.len) { len += NGX_INT32_LEN + 1 + rq->request_line.len + 2 + 2; dash = 0; } continue; } if (!dash) { len += 3; dash = 1; } } if (!(b = ngx_create_temp_buf(r->pool, len))) { return NGX_HTTP_INTERNAL_SERVER_ERROR; } dash = 0; for (i = 0; i < ngx_cycle->connection_n; i++) { rq = c[i].data; if (rq && rq->signature == NGX_HTTP_MODULE) { #if 0 switch (rq->http_state) { case NGX_HTTP_INITING_REQUEST_STATE: case NGX_HTTP_KEEPALIVE_STATE: } #endif if (rq->request_line.len) { b->last += ngx_snprintf((char *) b->last, NGX_INT32_LEN, "%u", i); *(b->last++) = ' '; *(b->last++) = '"'; b->last = ngx_cpymem(b->last, r->request_line.data, r->request_line.len); *(b->last++) = '"'; *(b->last++) = CR; *(b->last++) = LF; dash = 0; } continue; } if (!dash) { *(b->last++) = '-'; *(b->last++) = CR; *(b->last++) = LF; dash = 1; } } r->headers_out.status = NGX_HTTP_OK; r->headers_out.content_length_n = b->last - b->pos; rc = ngx_http_send_header(r); if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { return rc; } if (!r->main) { b->last_buf = 1; } out.buf = b; out.next = NULL; return ngx_http_output_filter(r, &out); } static char *ngx_http_status(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) { ngx_http_conf_ctx_t *ctx; ngx_http_core_loc_conf_t *clcf; ctx = cf->ctx; clcf = ctx->loc_conf[ngx_http_core_module.ctx_index]; clcf->handler = ngx_http_status_handler; return NGX_CONF_OK; }