1 /*
2 * Copyright 2020 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 #include "test/headless/get_options.h"
18
19 #include <getopt.h>
20 #include <unistd.h>
21
22 #include <list>
23 #include <sstream>
24 #include <string>
25
26 #include "os/log.h"
27 #include "types/bluetooth/uuid.h"
28 #include "types/raw_address.h"
29
30 namespace {
31 enum OptionType {
32 kOptionDevice = 0,
33 kOptionLoop = 1,
34 kOptionUuid = 2,
35 kOptionMsleep = 3,
36 kOptionStdErr = 4,
37 kOptionFlags = 5,
38 kOptionClear = 6,
39 };
40
41 constexpr struct option long_options[] = {
42 {"device", required_argument, 0, 0}, // kOptionDevice
43 {"loop", required_argument, 0, 0}, // kOptionLoop/
44 {"uuid", required_argument, 0, 0}, // kOptionUuid
45 {"msleep", required_argument, 0, 0}, // kOptionMsleep
46 {"stderr", no_argument, 0, 0}, // kOptionStdErr
47 {"flags", required_argument, 0, 0}, // kOptionFlags
48 {"clear", no_argument, 0, 0}, // kOptionDevice
49 {0, 0, 0, 0}};
50
51 const char* kShortArgs = "cd:l:u:";
52
53 } // namespace
54
Usage() const55 void bluetooth::test::headless::GetOpt::Usage() const {
56 fprintf(stdout, "%s: Usage:\n", name_);
57 fprintf(stdout, "%s -c Clear logcat logs\n", name_);
58 fprintf(stdout,
59 "%s --device=<device,> Comma separated list of remote devices\n",
60 name_);
61 fprintf(stdout,
62 "%s --flags=<flags,> Comma separated list of gd init flags\n",
63 name_);
64 fprintf(stdout, "%s --uuid=<uuid,> Comma separated list of uuids\n",
65 name_);
66 fprintf(stdout, "%s --loop=<loop> Number of loops\n", name_);
67 fprintf(stdout, "%s --msleep=<msecs> Sleep msec between loops\n", name_);
68 fprintf(stdout, "%s --stderr Dump stderr to stdout\n", name_);
69 fflush(nullptr);
70 }
71
ParseValue(char * optarg,std::list<std::string> & string_list)72 void bluetooth::test::headless::GetOpt::ParseValue(
73 char* optarg, std::list<std::string>& string_list) {
74 log::assert_that(optarg != nullptr, "assert failed: optarg != nullptr");
75 char* p = optarg;
76 char* pp = optarg;
77 while (*p != '\0') {
78 if (*p == ',') {
79 *p = 0;
80 string_list.push_back(std::string(pp));
81 pp = p + 1;
82 }
83 p++;
84 }
85 if (pp != p) string_list.push_back(std::string(pp));
86 }
87
Split(std::string s)88 std::vector<std::string> bluetooth::test::headless::GetOpt::Split(
89 std::string s) {
90 std::stringstream ss(s);
91 std::vector<std::string> values;
92 std::string item;
93 while (std::getline(ss, item, '=')) {
94 values.push_back(item);
95 }
96 return values;
97 }
98
ProcessOption(int option_index,char * optarg)99 void bluetooth::test::headless::GetOpt::ProcessOption(int option_index,
100 char* optarg) {
101 std::list<std::string> string_list;
102 OptionType option_type = static_cast<OptionType>(option_index);
103
104 switch (option_type) {
105 case kOptionDevice:
106 if (!optarg) return;
107 ParseValue(optarg, string_list);
108 for (auto& entry : string_list) {
109 if (RawAddress::IsValidAddress(entry)) {
110 RawAddress address;
111 RawAddress::FromString(entry, address);
112 device_.push_back(address);
113 }
114 }
115 break;
116 case kOptionLoop:
117 loop_ = std::stoul(optarg, nullptr, 0);
118 break;
119 case kOptionUuid:
120 if (!optarg) return;
121 ParseValue(optarg, string_list);
122 for (auto& entry : string_list) {
123 uuid_.push_back(
124 bluetooth::Uuid::From16Bit(std::stoul(entry.c_str(), nullptr, 0)));
125 }
126 break;
127 case kOptionMsleep:
128 if (!optarg) return;
129 msec_ = std::stoul(optarg, nullptr, 0);
130 break;
131 case kOptionStdErr:
132 close_stderr_ = false;
133 break;
134 case kOptionFlags:
135 if (!optarg) return;
136 ParseValue(optarg, string_list);
137 for (auto& flag : string_list) {
138 init_flags_.push_back(flag);
139 }
140 break;
141 case kOptionClear:
142 clear_logcat_ = true;
143 break;
144 default:
145 fflush(nullptr);
146 valid_ = false;
147 return;
148 break;
149 }
150 }
151
ParseStackInitFlags()152 void bluetooth::test::headless::GetOpt::ParseStackInitFlags() {
153 if (init_flags_.size() == 0) return;
154
155 log::assert_that(stack_init_flags_ == nullptr,
156 "assert failed: stack_init_flags_ == nullptr");
157
158 unsigned idx = 0;
159 stack_init_flags_ = (const char**)calloc(sizeof(char*), init_flags_.size());
160 for (const std::string& flag : init_flags_)
161 stack_init_flags_[idx++] = flag.c_str();
162 stack_init_flags_[idx] = nullptr;
163 }
164
StackInitFlags() const165 const char** bluetooth::test::headless::GetOpt::StackInitFlags() const {
166 return stack_init_flags_;
167 }
168
GetOpt(int argc,char ** argv)169 bluetooth::test::headless::GetOpt::GetOpt(int argc, char** argv)
170 : name_(argv[0]) {
171 while (1) {
172 int option_index = 0;
173 int c =
174 getopt_long_only(argc, argv, kShortArgs, long_options, &option_index);
175 if (c == -1) break;
176
177 switch (c) {
178 case 0:
179 ProcessOption(static_cast<OptionType>(option_index), optarg);
180 break;
181 case '?':
182 Usage();
183 valid_ = false;
184 return;
185 default:
186 printf("?? getopt returned character code 0%o ??\n", c);
187 }
188 }
189
190 while (optind < argc) {
191 non_options_.push_back(argv[optind++]);
192 }
193
194 ParseStackInitFlags();
195
196 fflush(nullptr);
197 }
198
~GetOpt()199 bluetooth::test::headless::GetOpt::~GetOpt() { free(stack_init_flags_); }
200