| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <iostream> |
| #include <vector> |
| |
| #include <glog/logging.h> |
| |
| #include <stout/foreach.hpp> |
| #include <stout/strings.hpp> |
| |
| #include "common/attributes.hpp" |
| |
| using std::ostream; |
| using std::string; |
| using std::vector; |
| |
| |
| namespace mesos { |
| |
| |
| std::ostream& operator << (std::ostream& stream, const Attribute& attribute) |
| { |
| stream << attribute.name() << "="; |
| switch (attribute.type()) { |
| case Value::SCALAR: stream << attribute.scalar(); break; |
| case Value::RANGES: stream << attribute.ranges(); break; |
| case Value::SET: stream << attribute.set(); break; |
| case Value::TEXT: stream << attribute.text(); break; |
| default: |
| LOG(FATAL) << "Unexpected Value type: " << attribute.type(); |
| break; |
| } |
| |
| return stream; |
| } |
| |
| |
| namespace internal { |
| |
| Attribute Attributes::parse(const std::string& name, const std::string& text) |
| { |
| Attribute attribute; |
| Try<Value> result = values::parse(text); |
| |
| if (result.isError()) { |
| LOG(FATAL) << "Failed to parse attribute " << name |
| << " text " << text |
| << " error " << result.error(); |
| } else{ |
| Value value = result.get(); |
| attribute.set_name(name); |
| |
| if (value.type() == Value::RANGES) { |
| attribute.set_type(Value::RANGES); |
| attribute.mutable_ranges()->MergeFrom(value.ranges()); |
| } else if (value.type() == Value::TEXT) { |
| attribute.set_type(Value::TEXT); |
| attribute.mutable_text()->MergeFrom(value.text()); |
| } else if (value.type() == Value::SCALAR) { |
| attribute.set_type(Value::SCALAR); |
| attribute.mutable_scalar()->MergeFrom(value.scalar()); |
| } else { |
| LOG(FATAL) << "Bad type for attribute " << name |
| << " text " << text |
| << " type " << value.type(); |
| } |
| } |
| |
| return attribute; |
| } |
| |
| |
| Attributes Attributes::parse(const string& s) |
| { |
| // Tokenize and parse the value of "attributes". |
| Attributes attributes; |
| |
| vector<string> tokens = strings::tokenize(s, ";\n"); |
| |
| for (size_t i = 0; i < tokens.size(); i++) { |
| const vector<string>& pairs = strings::tokenize(tokens[i], ":"); |
| if (pairs.size() != 2) { |
| LOG(FATAL) << "Bad value for attributes, missing ':' within " << pairs[0]; |
| } |
| |
| attributes.add(parse(pairs[0], pairs[1])); |
| } |
| |
| return attributes; |
| } |
| |
| } // namespace internal { |
| } // namespace mesos { |