xref: /aosp_15_r20/system/core/fastboot/result.h (revision 00c7fec1bb09f3284aad6a6f96d2f63dfc3650ad)
1*00c7fec1SAndroid Build Coastguard Worker /*
2*00c7fec1SAndroid Build Coastguard Worker  * Copyright (C) 2023 The Android Open Source Project
3*00c7fec1SAndroid Build Coastguard Worker  *
4*00c7fec1SAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*00c7fec1SAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*00c7fec1SAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*00c7fec1SAndroid Build Coastguard Worker  *
8*00c7fec1SAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*00c7fec1SAndroid Build Coastguard Worker  *
10*00c7fec1SAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*00c7fec1SAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*00c7fec1SAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*00c7fec1SAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*00c7fec1SAndroid Build Coastguard Worker  * limitations under the License.
15*00c7fec1SAndroid Build Coastguard Worker  */
16*00c7fec1SAndroid Build Coastguard Worker 
17*00c7fec1SAndroid Build Coastguard Worker #pragma once
18*00c7fec1SAndroid Build Coastguard Worker 
19*00c7fec1SAndroid Build Coastguard Worker #include <string>
20*00c7fec1SAndroid Build Coastguard Worker 
21*00c7fec1SAndroid Build Coastguard Worker #include <android-base/result.h>
22*00c7fec1SAndroid Build Coastguard Worker 
23*00c7fec1SAndroid Build Coastguard Worker #include "util.h"
24*00c7fec1SAndroid Build Coastguard Worker 
25*00c7fec1SAndroid Build Coastguard Worker using android::base::ErrnoError;
26*00c7fec1SAndroid Build Coastguard Worker using android::base::Error;
27*00c7fec1SAndroid Build Coastguard Worker using android::base::Result;
28*00c7fec1SAndroid Build Coastguard Worker using android::base::ResultError;
29*00c7fec1SAndroid Build Coastguard Worker 
30*00c7fec1SAndroid Build Coastguard Worker class FastbootError {
31*00c7fec1SAndroid Build Coastguard Worker   public:
32*00c7fec1SAndroid Build Coastguard Worker     enum Type { NETWORK_SERIAL_WRONG_PREFIX = 1, NETWORK_SERIAL_WRONG_ADDRESS = 2 };
33*00c7fec1SAndroid Build Coastguard Worker 
FastbootError(Type && type)34*00c7fec1SAndroid Build Coastguard Worker     FastbootError(Type&& type) : type_(std::forward<Type>(type)) {}
35*00c7fec1SAndroid Build Coastguard Worker 
value()36*00c7fec1SAndroid Build Coastguard Worker     Type value() const { return type_; }
Type()37*00c7fec1SAndroid Build Coastguard Worker     operator Type() const { return value(); }
print()38*00c7fec1SAndroid Build Coastguard Worker     std::string print() const { return ""; }
39*00c7fec1SAndroid Build Coastguard Worker 
40*00c7fec1SAndroid Build Coastguard Worker   private:
41*00c7fec1SAndroid Build Coastguard Worker     Type type_;
42*00c7fec1SAndroid Build Coastguard Worker };
43*00c7fec1SAndroid Build Coastguard Worker 
44*00c7fec1SAndroid Build Coastguard Worker template <typename T, typename U>
Expect(Result<T,U> r)45*00c7fec1SAndroid Build Coastguard Worker inline T Expect(Result<T, U> r) {
46*00c7fec1SAndroid Build Coastguard Worker     if (r.ok()) {
47*00c7fec1SAndroid Build Coastguard Worker         return r.value();
48*00c7fec1SAndroid Build Coastguard Worker     }
49*00c7fec1SAndroid Build Coastguard Worker 
50*00c7fec1SAndroid Build Coastguard Worker     die(r.error().message());
51*00c7fec1SAndroid Build Coastguard Worker 
52*00c7fec1SAndroid Build Coastguard Worker     return r.value();
53*00c7fec1SAndroid Build Coastguard Worker }