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diff src/core/ngx_conf_file.c @ 6187:1b7e246e6b38

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Core: store and dump processed configuration. If the -T option is passed, additionally to configuration test, configuration files are output to stdout. In the debug mode, configuration files are kept in memory and can be accessed using a debugger.
author Vladimir Homutov <vl@nginx.com>
date Thu, 14 May 2015 18:54:27 +0300
parents 4e71788460fa
children cf5e822cf470
line wrap: on
line diff
--- a/src/core/ngx_conf_file.c
+++ b/src/core/ngx_conf_file.c
@@ -101,10 +101,13 @@ char *
 ngx_conf_parse(ngx_conf_t *cf, ngx_str_t *filename)
 {
     char             *rv;
+    u_char           *p;
+    off_t             size;
     ngx_fd_t          fd;
     ngx_int_t         rc;
-    ngx_buf_t         buf;
+    ngx_buf_t         buf, *tbuf;
     ngx_conf_file_t  *prev, conf_file;
+    ngx_conf_dump_t  *cd;
     enum {
         parse_file = 0,
         parse_block,
@@ -158,6 +161,39 @@ ngx_conf_parse(ngx_conf_t *cf, ngx_str_t
 
         type = parse_file;
 
+        if (ngx_dump_config
+#if (NGX_DEBUG)
+            || 1
+#endif
+           )
+        {
+            p = ngx_pstrdup(cf->cycle->pool, filename);
+            if (p == NULL) {
+                goto failed;
+            }
+
+            size = ngx_file_size(&cf->conf_file->file.info);
+
+            tbuf = ngx_create_temp_buf(cf->cycle->pool, (size_t) size);
+            if (tbuf == NULL) {
+                goto failed;
+            }
+
+            cd = ngx_array_push(&cf->cycle->config_dump);
+            if (cd == NULL) {
+                goto failed;
+            }
+
+            cd->name.len = filename->len;
+            cd->name.data = p;
+            cd->buffer = tbuf;
+
+            cf->conf_file->dump = tbuf;
+
+        } else {
+            cf->conf_file->dump = NULL;
+        }
+
     } else if (cf->conf_file->file.fd != NGX_INVALID_FILE) {
 
         type = parse_block;
@@ -437,7 +473,7 @@ ngx_conf_read_token(ngx_conf_t *cf)
     ngx_uint_t   found, need_space, last_space, sharp_comment, variable;
     ngx_uint_t   quoted, s_quoted, d_quoted, start_line;
     ngx_str_t   *word;
-    ngx_buf_t   *b;
+    ngx_buf_t   *b, *dump;
 
     found = 0;
     need_space = 0;
@@ -450,6 +486,7 @@ ngx_conf_read_token(ngx_conf_t *cf)
 
     cf->args->nelts = 0;
     b = cf->conf_file->buffer;
+    dump = cf->conf_file->dump;
     start = b->pos;
     start_line = cf->conf_file->line;
 
@@ -531,6 +568,10 @@ ngx_conf_read_token(ngx_conf_t *cf)
             b->pos = b->start + len;
             b->last = b->pos + n;
             start = b->start;
+
+            if (dump) {
+                dump->last = ngx_cpymem(dump->last, b->pos, size);
+            }
         }
 
         ch = *b->pos++;