Convert uri_redirects list to read/write locks.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@49027 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/http.c

@@ -131,7 +131,7 @@ struct http_uri_redirect {
 	char target[0];
 };
 
-static AST_LIST_HEAD_STATIC(uri_redirects, http_uri_redirect);
+static AST_RWLIST_HEAD_STATIC(uri_redirects, http_uri_redirect);
 
 static char *ftype2mtype(const char *ftype, char *wkspace, int wkspacelen)
 {
@@ -383,8 +383,8 @@ static struct ast_str *handle_uri(struct sockaddr_in *sin, char *uri, int *statu
 	*cookies = NULL;
 	ast_uri_decode(uri);
 
-	AST_LIST_LOCK(&uri_redirects);
+	AST_RWLIST_RDLOCK(&uri_redirects);
-	AST_LIST_TRAVERSE(&uri_redirects, redirect, entry) {
+	AST_RWLIST_TRAVERSE(&uri_redirects, redirect, entry) {
 		if (!strcasecmp(uri, redirect->target)) {
 			char buf[512];
 			snprintf(buf, sizeof(buf), "Location: %s\r\n", redirect->dest);
@@ -395,7 +395,7 @@ static struct ast_str *handle_uri(struct sockaddr_in *sin, char *uri, int *statu
 			break;
 		}
 	}
-	AST_LIST_UNLOCK(&uri_redirects);
+	AST_RWLIST_UNLOCK(&uri_redirects);
 	if (redirect)
 		goto cleanup;
 
@@ -837,28 +837,28 @@ static void add_redirect(const char *value)
 	strcpy(redirect->target, target);
 	strcpy(redirect->dest, dest);
 
-	AST_LIST_LOCK(&uri_redirects);
+	AST_RWLIST_WRLOCK(&uri_redirects);
 
 	target_len--; /* So we can compare directly with strlen() */
-	if ( AST_LIST_EMPTY(&uri_redirects) 
+	if ( AST_RWLIST_EMPTY(&uri_redirects) 
-		|| strlen(AST_LIST_FIRST(&uri_redirects)->target) <= target_len ) {
+		|| strlen(AST_RWLIST_FIRST(&uri_redirects)->target) <= target_len ) {
-		AST_LIST_INSERT_HEAD(&uri_redirects, redirect, entry);
+		AST_RWLIST_INSERT_HEAD(&uri_redirects, redirect, entry);
-		AST_LIST_UNLOCK(&uri_redirects);
+		AST_RWLIST_UNLOCK(&uri_redirects);
 		return;
 	}
 
-	AST_LIST_TRAVERSE(&uri_redirects, cur, entry) {
+	AST_RWLIST_TRAVERSE(&uri_redirects, cur, entry) {
-		if ( AST_LIST_NEXT(cur, entry) 
+		if ( AST_RWLIST_NEXT(cur, entry) 
-			&& strlen(AST_LIST_NEXT(cur, entry)->target) <= target_len ) {
+			&& strlen(AST_RWLIST_NEXT(cur, entry)->target) <= target_len ) {
-			AST_LIST_INSERT_AFTER(&uri_redirects, cur, redirect, entry);
+			AST_RWLIST_INSERT_AFTER(&uri_redirects, cur, redirect, entry);
-			AST_LIST_UNLOCK(&uri_redirects); 
+			AST_RWLIST_UNLOCK(&uri_redirects); 
 			return;
 		}
 	}
 
-	AST_LIST_INSERT_TAIL(&uri_redirects, redirect, entry);
+	AST_RWLIST_INSERT_TAIL(&uri_redirects, redirect, entry);
 
-	AST_LIST_UNLOCK(&uri_redirects);
+	AST_RWLIST_UNLOCK(&uri_redirects);
 }
 
 static int __ast_http_load(int reload)
@@ -889,10 +889,10 @@ static int __ast_http_load(int reload)
 		free(http_tls_cfg.cipher);
 	http_tls_cfg.cipher = ast_strdup("");
 
-	AST_LIST_LOCK(&uri_redirects);
+	AST_RWLIST_WRLOCK(&uri_redirects);
-	while ((redirect = AST_LIST_REMOVE_HEAD(&uri_redirects, entry)))
+	while ((redirect = AST_RWLIST_REMOVE_HEAD(&uri_redirects, entry)))
 		free(redirect);
-	AST_LIST_UNLOCK(&uri_redirects);
+	AST_RWLIST_UNLOCK(&uri_redirects);
 
 	cfg = ast_config_load("http.conf");
 	if (cfg) {
@@ -989,12 +989,12 @@ static int handle_show_http(int fd, int argc, char *argv[])
 	AST_RWLIST_UNLOCK(&uris);
 
 	ast_cli(fd, "\nEnabled Redirects:\n");
-	AST_LIST_LOCK(&uri_redirects);
+	AST_RWLIST_RDLOCK(&uri_redirects);
-	AST_LIST_TRAVERSE(&uri_redirects, redirect, entry)
+	AST_RWLIST_TRAVERSE(&uri_redirects, redirect, entry)
 		ast_cli(fd, "  %s => %s\n", redirect->target, redirect->dest);
-	if (AST_LIST_EMPTY(&uri_redirects))
+	if (AST_RWLIST_EMPTY(&uri_redirects))
 		ast_cli(fd, "  None.\n");
-	AST_LIST_UNLOCK(&uri_redirects);
+	AST_RWLIST_UNLOCK(&uri_redirects);
 
 	return RESULT_SUCCESS;
 }