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r345735 | pabelanger | 2011-11-21 18:40:17 +0200 (Mon, 21 Nov 2011) | 7 lines

Add #tryinclude statement

This provides the same functionality as #include however an asterisk module will
still load if the filename does not exist.

Review: https://reviewboard.asterisk.org/r/1476/


diff --git a/CHANGES b/CHANGES
index 4d106f6..bfc7301 100644
--- a/CHANGES
+++ b/CHANGES
@@ -389,6 +389,12 @@ SIP Changes
  * Addition of the 'auth_options_requests' option for turning on and off
    authentication for OPTIONS requests in chan_sip.
 
+Configuration files
+-------------------
+ * Add #tryinclude statement for config files.  This provides the same
+   functionality as the #include statement however an asterisk module will
+   still load if the filename does not exist.  Using the #include statement
+   Asterisk will not allow the module to load.
 
 IAX2 Changes
 -----------
diff --git a/main/config.c b/main/config.c
index 498ae99..e76a43f 100644
--- a/main/config.c
+++ b/main/config.c
@@ -1202,6 +1202,7 @@ static int process_text_line(struct ast_config *cfg, struct ast_category **cat,
 		char *cur2;
 		char real_inclusion_name[256];
 		int do_include = 0;	/* otherwise, it is exec */
+		int try_include = 0;
 
 		cur++;
 		c = cur;
@@ -1221,6 +1222,9 @@ static int process_text_line(struct ast_config *cfg, struct ast_category **cat,
 		}
 		if (!strcasecmp(cur, "include")) {
 			do_include = 1;
+		} else if (!strcasecmp(cur, "tryinclude")) {
+			do_include = 1;
+			try_include = 1;
 		} else if (!strcasecmp(cur, "exec")) {
 			if (!ast_opt_exec_includes) {
 				ast_log(LOG_WARNING, "Cannot perform #exec unless execincludes option is enabled in asterisk.conf (options section)!\n");
@@ -1232,8 +1236,8 @@ static int process_text_line(struct ast_config *cfg, struct ast_category **cat,
 		}
 
 		if (c == NULL) {
-			ast_log(LOG_WARNING, "Directive '#%s' needs an argument (%s) at line %d of %s\n", 
-					do_include ? "include" : "exec",
+			ast_log(LOG_WARNING, "Directive '#%s' needs an argument (%s) at line %d of %s\n",
+					do_include ? "include / tryinclude" : "exec",
 					do_include ? "filename" : "/path/to/executable",
 					lineno,
 					configfile);
@@ -1278,7 +1282,7 @@ static int process_text_line(struct ast_config *cfg, struct ast_category **cat,
 		do_include = ast_config_internal_load(cur, cfg, flags, real_inclusion_name, who_asked) ? 1 : 0;
 		if (!ast_strlen_zero(exec_file))
 			unlink(exec_file);
-		if (!do_include) {
+		if (!do_include && !try_include) {
 			ast_log(LOG_ERROR, "The file '%s' was listed as a #include but it does not exist.\n", cur);
 			return -1;
 		}
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