1//
2//  Copyright (C) 2015 Google, Inc.
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 "service/settings.h"
18
19#include <base/base_switches.h>
20#include <base/command_line.h>
21#include <base/logging.h>
22
23#include "service/switches.h"
24
25namespace bluetooth {
26
27Settings::Settings() : initialized_(false), enable_on_start_(false) {}
28
29Settings::~Settings() {}
30
31bool Settings::Init() {
32  CHECK(!initialized_);
33  auto command_line = base::CommandLine::ForCurrentProcess();
34  const auto& switches = command_line->GetSwitches();
35
36  for (const auto& iter : switches) {
37    if (iter.first == switches::kCreateIPCSocketPath) {
38      // kCreateIPCSocketPath: An optional argument that initializes an IPC
39      // socket path for IPC.
40      base::FilePath path(iter.second);
41      if (path.empty() || path.EndsWithSeparator()) {
42        LOG(ERROR) << "Invalid IPC create socket path";
43        return false;
44      }
45
46      create_ipc_socket_path_ = path;
47    } else if (iter.first == switches::kAndroidIPCSocketSuffix) {
48      // kAndroidIPCSocketSuffix: An optional argument used to express
49      // a socket that Android init created for us. We bind to this.
50      const std::string& suffix = iter.second;
51      if (suffix.empty()) {
52        LOG(ERROR) << "Invalid Android socket suffix";
53        return false;
54      }
55
56      android_ipc_socket_suffix_ = suffix;
57    } else if (iter.first == switches::kEnableOnStart) {
58      if (iter.second == "true") {
59        enable_on_start_ = true;
60      } else if (iter.second == "false") {
61        enable_on_start_ = false;
62      } else {
63        LOG(ERROR) << "Invalid value for " << switches::kEnableOnStart << ": "
64                   << iter.second << ". Expect 'true' or 'false'";
65        return false;
66      }
67    }
68    // Check for libbase logging switches. These get processed by
69    // logging::InitLogging directly.
70    else if (iter.first != ::switches::kV) {
71      LOG(ERROR) << "Unexpected command-line switches found: " << iter.first;
72      return false;
73    }
74  }
75
76  // Two IPC methods/paths were provided.
77  if (!android_ipc_socket_suffix_.empty() && !create_ipc_socket_path_.empty()) {
78    LOG(ERROR) << "Too many IPC methods provided";
79    return false;
80  }
81
82  // The daemon has no arguments
83  if (command_line->GetArgs().size()) {
84    LOG(ERROR) << "Unexpected command-line arguments found";
85    return false;
86  }
87
88  initialized_ = true;
89  return true;
90}
91
92}  // namespace bluetooth
93