1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef FRAMEWORK_NATIVE_CMDS_LSHAL_UTILS_H_
18#define FRAMEWORK_NATIVE_CMDS_LSHAL_UTILS_H_
19
20#include <iomanip>
21#include <iostream>
22#include <string>
23#include <sstream>
24#include <utility>
25#include <vector>
26
27namespace android {
28namespace lshal {
29
30enum : unsigned int {
31    OK                                      = 0,
32    // Return to Lshal::main to print help info.
33    USAGE                                   = 1 << 0,
34    // no service managers
35    NO_BINDERIZED_MANAGER                   = 1 << 1,
36    NO_PASSTHROUGH_MANAGER                  = 1 << 2,
37    // general error in getting information from the three sources
38    DUMP_BINDERIZED_ERROR                   = 1 << 3,
39    DUMP_PASSTHROUGH_ERROR                  = 1 << 4,
40    DUMP_ALL_LIBS_ERROR                     = 1 << 5,
41    // I/O error in reading files
42    IO_ERROR                                = 1 << 6,
43    // Interface does not exist (IServiceManager::get fails)
44    NO_INTERFACE                            = 1 << 7,
45    // Transaction error from hwbinder transactions
46    TRANSACTION_ERROR                       = 1 << 8,
47    // No transaction error, but return value is unexpected.
48    BAD_IMPL                                = 1 << 9,
49};
50using Status = unsigned int;
51
52struct Arg {
53    int argc;
54    char **argv;
55};
56
57template <typename A>
58std::string join(const A &components, const std::string &separator) {
59    std::stringstream out;
60    bool first = true;
61    for (const auto &component : components) {
62        if (!first) {
63            out << separator;
64        }
65        out << component;
66
67        first = false;
68    }
69    return out.str();
70}
71
72std::string toHexString(uint64_t t);
73
74template<typename String>
75std::pair<String, String> splitFirst(const String &s, char c) {
76    const char *pos = strchr(s.c_str(), c);
77    if (pos == nullptr) {
78        return {s, {}};
79    }
80    return {String(s.c_str(), pos - s.c_str()), String(pos + 1)};
81}
82
83std::vector<std::string> split(const std::string &s, char c);
84
85void replaceAll(std::string *s, char from, char to);
86
87}  // namespace lshal
88}  // namespace android
89
90#endif  // FRAMEWORK_NATIVE_CMDS_LSHAL_UTILS_H_
91