-g switch

src/core/nginx.c

@@ -637,8 +637,7 @@ ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv)
         case 'c':
             if (argv[i + 1] == NULL) {
                 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
-                              "the option: \"%s\" requires file name",
-                              argv[i]);
+                              "the option \"-c\" requires file name");
                 return NGX_ERROR;
             }
 
@@ -646,6 +645,17 @@ ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv)
             cycle->conf_file.len = ngx_strlen(cycle->conf_file.data);
             break;
 
+        case 'g':
+            if (argv[i + 1] == NULL) {
+                ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
+                              "the option \"-g\" requires parameter");
+                return NGX_ERROR;
+            }
+
+            cycle->conf_param.data = (u_char *) argv[++i];
+            cycle->conf_param.len = ngx_strlen(cycle->conf_param.data);
+            break;
+
         default:
             ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
                           "invalid option: \"%s\"", argv[i]);

src/core/ngx_conf_file.c

@@ -57,6 +57,40 @@ static int argument_number[] = {
 };
 
 
+char *
+ngx_conf_param(ngx_conf_t *cf)
+{
+    ngx_str_t        *param;
+    ngx_buf_t         b;
+    ngx_conf_file_t   conf_file;
+
+    param = &cf->cycle->conf_param;
+
+    if (param->len == 0) {
+        return NGX_CONF_OK;
+    }
+
+    ngx_memzero(&conf_file, sizeof(ngx_conf_file_t));
+
+    ngx_memzero(&b, sizeof(ngx_buf_t));
+
+    b.start = param->data;
+    b.pos = param->data;
+    b.last = param->data + param->len;
+    b.end = b.last;
+    b.temporary = 1;
+
+    conf_file.file.fd = NGX_INVALID_FILE;
+    conf_file.file.name.data = (u_char *) "command line";
+    conf_file.line = 1;
+
+    cf->conf_file = &conf_file;
+    cf->conf_file->buffer = &b;
+
+    return ngx_conf_parse(cf, NULL);
+}
+
+
 char *
 ngx_conf_parse(ngx_conf_t *cf, ngx_str_t *filename)
 {
@@ -64,8 +98,12 @@ ngx_conf_parse(ngx_conf_t *cf, ngx_str_t *filename)
     ngx_fd_t          fd;
     ngx_int_t         rc;
     ngx_buf_t        *b;
-    ngx_uint_t        block;
     ngx_conf_file_t  *prev;
+    enum {
+        parse_file = 0,
+        parse_block,
+        parse_param
+    } type;
 
 #if (NGX_SUPPRESS_WARN)
     fd = NGX_INVALID_FILE;
@@ -120,10 +158,14 @@ ngx_conf_parse(ngx_conf_t *cf, ngx_str_t *filename)
         cf->conf_file->file.log = cf->log;
         cf->conf_file->line = 1;
 
-        block = 0;
+        type = parse_file;
+
+    } else if (cf->conf_file->file.fd != NGX_INVALID_FILE) {
+
+        type = parse_block;
 
     } else {
-        block = 1;
+        type = parse_param;
     }
 
 
@@ -146,7 +188,7 @@ ngx_conf_parse(ngx_conf_t *cf, ngx_str_t *filename)
 
         if (rc == NGX_CONF_BLOCK_DONE) {
 
-            if (!block) {
+            if (type != parse_block) {
                 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "unexpected \"}\"");
                 goto failed;
             }
@@ -156,7 +198,7 @@ ngx_conf_parse(ngx_conf_t *cf, ngx_str_t *filename)
 
         if (rc == NGX_CONF_FILE_DONE) {
 
-            if (block) {
+            if (type == parse_block) {
                 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                                    "unexpected end of file, expecting \"}\"");
                 goto failed;
@@ -165,6 +207,16 @@ ngx_conf_parse(ngx_conf_t *cf, ngx_str_t *filename)
             goto done;
         }
 
+        if (rc == NGX_CONF_BLOCK_START) {
+
+            if (type == parse_param) {
+                ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+                                   "block directives are not supported "
+                                   "in -g option");
+                goto failed;
+            }
+        }
+
         /* rc == NGX_OK || rc == NGX_CONF_BLOCK_START */
 
         if (cf->handler) {
@@ -402,10 +454,19 @@ ngx_conf_read_token(ngx_conf_t *cf)
     for ( ;; ) {
 
         if (b->pos >= b->last) {
+
             if (cf->conf_file->file.offset
                                  >= ngx_file_size(&cf->conf_file->file.info))
             {
                 if (cf->args->nelts > 0) {
+
+                    if (cf->conf_file->file.fd == NGX_INVALID_FILE) {
+                        ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+                                           "unexpected end of parameter, "
+                                           "expecting \";\"");
+                        return NGX_ERROR;
+                    }
+
                     ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                                   "unexpected end of file, "
                                   "expecting \";\" or \"}\"");

src/core/ngx_conf_file.h

@@ -317,6 +317,7 @@ char *ngx_conf_check_num_bounds(ngx_conf_t *cf, void *post, void *data);
 #define addressof(addr)  ((int) &addr)
 
 
+char *ngx_conf_param(ngx_conf_t *cf);
 char *ngx_conf_parse(ngx_conf_t *cf, ngx_str_t *filename);
 
 

src/core/ngx_cycle.c

@@ -90,6 +90,16 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
                 old_cycle->conf_file.len + 1);
 
 
+    cycle->conf_param.len = old_cycle->conf_param.len;
+    cycle->conf_param.data = ngx_pnalloc(pool, old_cycle->conf_param.len);
+    if (cycle->conf_param.data == NULL) {
+        ngx_destroy_pool(pool);
+        return NULL;
+    }
+    ngx_memcpy(cycle->conf_param.data, old_cycle->conf_param.data,
+               old_cycle->conf_param.len);
+
+
     n = old_cycle->pathes.nelts ? old_cycle->pathes.nelts : 10;
 
     cycle->pathes.elts = ngx_pcalloc(pool, n * sizeof(ngx_path_t *));
@@ -238,6 +248,11 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
     log->log_level = NGX_LOG_DEBUG_ALL;
 #endif
 
+    if (ngx_conf_param(&conf) != NGX_CONF_OK) {
+        ngx_destroy_cycle_pools(&conf);
+        return NULL;
+    }
+
     if (ngx_conf_parse(&conf, &cycle->conf_file) != NGX_CONF_OK) {
         ngx_destroy_cycle_pools(&conf);
         return NULL;

src/core/ngx_cycle.h

@@ -60,6 +60,7 @@ struct ngx_cycle_s {
     ngx_cycle_t              *old_cycle;
 
     ngx_str_t                 conf_file;
+    ngx_str_t                 conf_param;
     ngx_str_t                 root;
     ngx_str_t                 lock_file;
     ngx_str_t                 hostname;