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
27 namespace android {
28 namespace lshal {
29
30 enum : 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 // Cannot fetch VINTF data.
50 VINTF_ERROR = 1 << 10,
51 };
52 using Status = unsigned int;
53
54 struct Arg {
55 int argc;
56 char **argv;
57 };
58
59 template <typename A>
join(const A & components,const std::string & separator)60 std::string join(const A &components, const std::string &separator) {
61 std::stringstream out;
62 bool first = true;
63 for (const auto &component : components) {
64 if (!first) {
65 out << separator;
66 }
67 out << component;
68
69 first = false;
70 }
71 return out.str();
72 }
73
74 std::string toHexString(uint64_t t);
75
76 template<typename String>
splitFirst(const String & s,char c)77 std::pair<String, String> splitFirst(const String &s, char c) {
78 const char *pos = strchr(s.c_str(), c);
79 if (pos == nullptr) {
80 return {s, {}};
81 }
82 return {String(s.c_str(), pos - s.c_str()), String(pos + 1)};
83 }
84
85 std::vector<std::string> split(const std::string &s, char c);
86
87 void replaceAll(std::string *s, char from, char to);
88
89 } // namespace lshal
90 } // namespace android
91
92 #endif // FRAMEWORK_NATIVE_CMDS_LSHAL_UTILS_H_
93