added implemention of readdir

src/app/www/script.js

@@ -23,7 +23,7 @@ function startup()
 	}
 
 	FileSystem.prototype.getattr = function(path) {
-		entry = this.getEntry(path);
+		var entry = this.getEntry(path);
 		if (entry) {
 			return {
 				mode: entry.mode || 0755,
@@ -39,6 +39,25 @@ function startup()
 		}
 	};
 
+	FileSystem.prototype.readdir = function(path) {
+		var result, entry, subdir, i, len;
+
+		entry = this.getEntry(path);
+		if ((entry) && (entry.type == "dir")) {
+			result = [".", ".."];
+			for(subdir in entry.entries) {
+				if (entry.entries.hasOwnProperty(subdir)) {
+					result.push(subdir);
+				}				
+			}
+		}
+		else {
+			result = FileSystem.BAD_NO_ENTRY;
+		}
+
+		return result;
+	};
+
 	var fs = new FileSystem({
 		mode: 0755,
 		type: "dir",
@@ -70,6 +89,9 @@ function startup()
 					case "getattr":
 						result = fs.getattr(request.params[0]);
 						break;
+					case "readdir":
+						result = fs.readdir(request.params[0]);
+						break;
 					default:
 						break;
 				}

src/wsfs/filesystem.c

@@ -88,13 +88,27 @@ wsfs_status wsfs_filesystem_getattr(
 wsfs_status wsfs_filesystem_readdir(
 	struct wsfs_filesystem * filesystem,
 	char const * path,
-	void * WSFS_UNUSED_PARAM(buffer),
-	wsfs_add_entry_fn * WSFS_UNUSED_PARAM(add_entry))
+	void * buffer,
+	wsfs_add_entry_fn * add_entry)
 {
 	json_t * result = NULL;
 	wsfs_status const status = wsfs_jsonrpc_invoke(filesystem->rpc, &result, "readdir", "s", path);
 	if (NULL != result)
 	{
+		if (json_is_array(result)) 
+		{
+			bool has_capacity = true;
+			size_t const count = json_array_size(result);
+			for(size_t i = 0; (has_capacity) && (i < count); i++)
+			{
+				json_t * entry =json_array_get(result, i);
+				if (json_is_string(entry))
+				{
+					has_capacity = add_entry(buffer, json_string_value(entry));
+				}
+			}
+		}
+
 		json_decref(result);
 	}