1/*
2 * Copyright (C) 2016, 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 WIFICOND_TESTS_INTEGRATION_PROCESS_UTILS_H_
18#define WIFICOND_TESTS_INTEGRATION_PROCESS_UTILS_H_
19
20#include <time.h>
21
22#include <functional>
23
24#include <android-base/macros.h>
25#include <utils/StrongPointer.h>
26
27#include "android/net/wifi/IWificond.h"
28
29namespace android {
30namespace wificond {
31namespace tests {
32namespace integration {
33
34// Instantiate one of these and call EnterDevMode() to put wificond into
35// developer mode.  wificond will be automatically restarted in normal
36// mode when the ScopedDevModeWificond intance goes out of scope:
37//
38// TEST(MyTest, TestCase) {
39//   ScopedDevModeWificond dev_mode;
40//   dev_mode.EnterDevMode();
41//
42//   // Code can assume that wificond is running in dev mode.
43//   // wificond will be cleaned up when |dev_mode| is destroyed.
44//
45// }
46class ScopedDevModeWificond final {
47 public:
48  static const uint32_t kSystemServerDeathTimeoutSeconds;
49  static const uint32_t kSystemServerStartTimeoutSeconds;
50  static const uint32_t kWificondDeathTimeoutSeconds;
51  static const uint32_t kWificondStartTimeoutSeconds;
52
53  ScopedDevModeWificond() = default;
54  ~ScopedDevModeWificond();
55
56  // You have to explicitly request that we enter dev mode.
57  // This makes avoids the nastiness of restarting a system process
58  // because you instantiated an object.
59  // ASSERTs that wificond starts in dev mode.
60  android::sp<android::net::wifi::IWificond> EnterDevModeOrDie();
61  // Returns true iff wificond entered dev mode.
62  android::sp<android::net::wifi::IWificond> MaybeEnterDevMode();
63
64  // This will be called for you in the destructor, but you can do it yourself
65  // if you prefer.
66  void ExitDevMode();
67
68 private:
69  bool in_dev_mode_ = false;
70
71  DISALLOW_COPY_AND_ASSIGN(ScopedDevModeWificond);
72};  // ScopedDevModeWificond
73
74// Blocks until either |condition| returns true, or |timeout_seconds| passes.
75// Returns true iff |condition| returned true.
76bool WaitForTrue(std::function<bool()> condition, time_t timeout_seconds);
77
78// Returns true iff a service is registered as |service_name| with the Binder
79// service manager.
80bool IsBinderServiceRegistered(const char* service_name);
81
82// Returns true iff the system_server process is running on the system.
83bool SystemServerIsRunning();
84
85// Convenient alias for !SystemServerIsRunning
86bool SystemServerIsDead();
87
88// Returns true iff the wificond process is running on the system.
89bool WificondIsRunning();
90
91// Convenient alias for !WificondIsRunning
92bool WificondIsDead();
93
94// Set the system property that controls whether wificond starts up in
95// developer mode.  See wificond's main() for what this entails.
96bool WificondSetDevMode(bool is_on);
97
98// Returns true iff the hostapd process is running on the system.
99bool HostapdIsRunning();
100
101// Convenient alias for !HostapdIsRunning
102bool HostapdIsDead();
103
104// Returns true iff the wpa_supplicant process is running on the system.
105bool SupplicantIsRunning();
106
107// Convenient alias for !SupplicantIsRunning
108bool SupplicantIsDead();
109
110}  // namespace integration
111}  // namespace tests
112}  // namespace android
113}  // namespace wificond
114
115#endif  // WIFICOND_TESTS_INTEGRATION_PROCESS_UTILS_H_
116