1 /*
2 * Copyright (C) 2019 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 <android-base/logging.h>
18
19 #include <android/hardware/wifi/1.0/IWifi.h>
20 #include <android/hardware/wifi/1.0/IWifiChip.h>
21 #include <gtest/gtest.h>
22 #include <hidl/GtestPrinter.h>
23 #include <hidl/ServiceManagement.h>
24
25 #include "wifi_hidl_call_util.h"
26 #include "wifi_hidl_test_utils.h"
27
28 using ::android::sp;
29 using ::android::hardware::wifi::V1_0::ChipModeId;
30 using ::android::hardware::wifi::V1_0::IfaceType;
31 using ::android::hardware::wifi::V1_0::IWifi;
32 using ::android::hardware::wifi::V1_0::IWifiApIface;
33 using ::android::hardware::wifi::V1_0::IWifiChip;
34 using ::android::hardware::wifi::V1_0::IWifiIface;
35 using ::android::hardware::wifi::V1_0::WifiStatus;
36 using ::android::hardware::wifi::V1_0::WifiStatusCode;
37
38 /**
39 * Fixture for IWifiChip tests that are conditioned on SoftAP support.
40 */
41 class WifiChipHidlApTest : public ::testing::TestWithParam<std::string> {
42 public:
SetUp()43 virtual void SetUp() override {
44 // Make sure test starts with a clean state
45 stopWifi(GetInstanceName());
46
47 wifi_chip_ = getWifiChip(GetInstanceName());
48 ASSERT_NE(nullptr, wifi_chip_.get());
49 }
50
TearDown()51 virtual void TearDown() override { stopWifi(GetInstanceName()); }
52
53 protected:
54 // Helper function to configure the Chip in one of the supported modes.
55 // Most of the non-mode-configuration-related methods require chip
56 // to be first configured.
configureChipForIfaceType(IfaceType type,bool expectSuccess)57 ChipModeId configureChipForIfaceType(IfaceType type, bool expectSuccess) {
58 ChipModeId mode_id;
59 EXPECT_EQ(expectSuccess,
60 configureChipToSupportIfaceType(wifi_chip_, type, &mode_id));
61 return mode_id;
62 }
63
getIfaceName(const sp<IWifiIface> & iface)64 std::string getIfaceName(const sp<IWifiIface>& iface) {
65 const auto& status_and_name = HIDL_INVOKE(iface, getName);
66 EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_name.first.code);
67 return status_and_name.second;
68 }
69
createApIface(sp<IWifiApIface> * ap_iface)70 WifiStatusCode createApIface(sp<IWifiApIface>* ap_iface) {
71 const auto& status_and_iface = HIDL_INVOKE(wifi_chip_, createApIface);
72 *ap_iface = status_and_iface.second;
73 return status_and_iface.first.code;
74 }
75
removeApIface(const std::string & name)76 WifiStatusCode removeApIface(const std::string& name) {
77 return HIDL_INVOKE(wifi_chip_, removeApIface, name).code;
78 }
79
80 sp<IWifiChip> wifi_chip_;
81
82 private:
GetInstanceName()83 std::string GetInstanceName() { return GetParam(); }
84 };
85
86 /*
87 * CreateApIface
88 * Configures the chip in AP mode and ensures that at least 1 iface creation
89 * succeeds.
90 */
TEST_P(WifiChipHidlApTest,CreateApIface)91 TEST_P(WifiChipHidlApTest, CreateApIface) {
92 configureChipForIfaceType(IfaceType::AP, true);
93
94 sp<IWifiApIface> iface;
95 EXPECT_EQ(WifiStatusCode::SUCCESS, createApIface(&iface));
96 EXPECT_NE(nullptr, iface.get());
97 }
98
99 /*
100 * GetApIfaceNames
101 * Configures the chip in AP mode and ensures that the iface list is empty
102 * before creating the iface. Then, create the iface and ensure that
103 * iface name is returned via the list.
104 */
TEST_P(WifiChipHidlApTest,GetApIfaceNames)105 TEST_P(WifiChipHidlApTest, GetApIfaceNames) {
106 configureChipForIfaceType(IfaceType::AP, true);
107
108 const auto& status_and_iface_names1 =
109 HIDL_INVOKE(wifi_chip_, getApIfaceNames);
110 EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_iface_names1.first.code);
111 EXPECT_EQ(0u, status_and_iface_names1.second.size());
112
113 sp<IWifiApIface> iface;
114 EXPECT_EQ(WifiStatusCode::SUCCESS, createApIface(&iface));
115 EXPECT_NE(nullptr, iface.get());
116
117 std::string iface_name = getIfaceName(iface);
118 const auto& status_and_iface_names2 =
119 HIDL_INVOKE(wifi_chip_, getApIfaceNames);
120 EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_iface_names2.first.code);
121 EXPECT_EQ(1u, status_and_iface_names2.second.size());
122 EXPECT_EQ(iface_name, status_and_iface_names2.second[0]);
123
124 EXPECT_EQ(WifiStatusCode::SUCCESS, removeApIface(iface_name));
125 const auto& status_and_iface_names3 =
126 HIDL_INVOKE(wifi_chip_, getApIfaceNames);
127 EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_iface_names3.first.code);
128 EXPECT_EQ(0u, status_and_iface_names3.second.size());
129 }
130
131 /*
132 * GetApIface
133 * Configures the chip in AP mode and create an iface. Then, retrieve
134 * the iface object using the correct name and ensure any other name
135 * doesn't retrieve an iface object.
136 */
TEST_P(WifiChipHidlApTest,GetApIface)137 TEST_P(WifiChipHidlApTest, GetApIface) {
138 configureChipForIfaceType(IfaceType::AP, true);
139
140 sp<IWifiApIface> ap_iface;
141 EXPECT_EQ(WifiStatusCode::SUCCESS, createApIface(&ap_iface));
142 EXPECT_NE(nullptr, ap_iface.get());
143
144 std::string iface_name = getIfaceName(ap_iface);
145 const auto& status_and_iface1 =
146 HIDL_INVOKE(wifi_chip_, getApIface, iface_name);
147 EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_iface1.first.code);
148 EXPECT_NE(nullptr, status_and_iface1.second.get());
149
150 std::string invalid_name = iface_name + "0";
151 const auto& status_and_iface2 =
152 HIDL_INVOKE(wifi_chip_, getApIface, invalid_name);
153 EXPECT_EQ(WifiStatusCode::ERROR_INVALID_ARGS, status_and_iface2.first.code);
154 EXPECT_EQ(nullptr, status_and_iface2.second.get());
155 }
156
157 /*
158 * RemoveApIface
159 * Configures the chip in AP mode and create an iface. Then, remove
160 * the iface object using the correct name and ensure any other name
161 * doesn't remove the iface.
162 */
TEST_P(WifiChipHidlApTest,RemoveApIface)163 TEST_P(WifiChipHidlApTest, RemoveApIface) {
164 configureChipForIfaceType(IfaceType::AP, true);
165
166 sp<IWifiApIface> ap_iface;
167 EXPECT_EQ(WifiStatusCode::SUCCESS, createApIface(&ap_iface));
168 EXPECT_NE(nullptr, ap_iface.get());
169
170 std::string iface_name = getIfaceName(ap_iface);
171 std::string invalid_name = iface_name + "0";
172 EXPECT_EQ(WifiStatusCode::ERROR_INVALID_ARGS, removeApIface(invalid_name));
173 EXPECT_EQ(WifiStatusCode::SUCCESS, removeApIface(iface_name));
174
175 // No such iface exists now. So, this should return failure.
176 EXPECT_EQ(WifiStatusCode::ERROR_INVALID_ARGS, removeApIface(iface_name));
177 }
178
179 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(WifiChipHidlApTest);
180 INSTANTIATE_TEST_SUITE_P(
181 PerInstance, WifiChipHidlApTest,
182 testing::ValuesIn(
183 android::hardware::getAllHalInstanceNames(IWifi::descriptor)),
184 android::hardware::PrintInstanceNameToString);
185