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 #include "VtsTrebleVintfTestBase.h"
18 
19 #include <chrono>
20 #include <condition_variable>
21 #include <functional>
22 #include <future>
23 #include <iostream>
24 #include <map>
25 #include <mutex>
26 #include <set>
27 #include <sstream>
28 #include <string>
29 #include <thread>
30 #include <vector>
31 
32 #include <android-base/logging.h>
33 #include <android-base/strings.h>
34 #include <android/hidl/manager/1.0/IServiceManager.h>
35 #include <gtest/gtest.h>
36 #include <hidl-hash/Hash.h>
37 #include <hidl-util/FQName.h>
38 #include <hidl-util/FqInstance.h>
39 #include <hidl/HidlTransportUtils.h>
40 #include <hidl/ServiceManagement.h>
41 #include <procpartition/procpartition.h>
42 #include <vintf/HalManifest.h>
43 #include <vintf/VintfObject.h>
44 #include <vintf/parse_string.h>
45 
46 #include "SingleManifestTest.h"
47 #include "utils.h"
48 
49 namespace android {
50 namespace vintf {
51 namespace testing {
52 
53 using android::FqInstance;
54 using android::FQName;
55 using android::Hash;
56 using android::sp;
57 using android::hardware::hidl_array;
58 using android::hardware::hidl_string;
59 using android::hardware::hidl_vec;
60 using android::hardware::Return;
61 using android::hidl::base::V1_0::IBase;
62 using android::hidl::manager::V1_0::IServiceManager;
63 using android::procpartition::Partition;
64 using android::vintf::HalManifest;
65 using android::vintf::Level;
66 using android::vintf::ManifestHal;
67 using android::vintf::Transport;
68 using android::vintf::Version;
69 using android::vintf::VintfObject;
70 using android::vintf::operator<<;
71 using android::vintf::to_string;
72 using android::vintf::toFQNameString;
73 
74 using std::cout;
75 using std::endl;
76 using std::map;
77 using std::set;
78 using std::string;
79 using std::vector;
80 
SetUp()81 void VtsTrebleVintfTestBase::SetUp() {
82   default_manager_ = ::android::hardware::defaultServiceManager();
83   ASSERT_NE(default_manager_, nullptr)
84       << "Failed to get default service manager." << endl;
85 }
86 
ForEachHidlHalInstance(const HalManifestPtr & manifest,HidlVerifyFn fn)87 void VtsTrebleVintfTestBase::ForEachHidlHalInstance(
88     const HalManifestPtr &manifest, HidlVerifyFn fn) {
89   manifest->forEachInstance([manifest, fn](const auto &manifest_instance) {
90     if (manifest_instance.format() != HalFormat::HIDL) {
91       return true;  // continue to next instance
92     }
93     const FQName fq_name{manifest_instance.package(),
94                          to_string(manifest_instance.version()),
95                          manifest_instance.interface()};
96     const Transport transport = manifest_instance.transport();
97     const std::string instance_name = manifest_instance.instance();
98 
99     auto future_result =
100         std::async([&]() { fn(fq_name, instance_name, transport); });
101     auto timeout = std::chrono::seconds(1);
102     std::future_status status = future_result.wait_for(timeout);
103     if (status != std::future_status::ready) {
104       cout << "Timed out on: " << fq_name.string() << " " << instance_name
105            << endl;
106     }
107     return true;  // continue to next instance
108   });
109 }
110 
ForEachAidlHalInstance(const HalManifestPtr & manifest,AidlVerifyFn fn)111 void VtsTrebleVintfTestBase::ForEachAidlHalInstance(
112     const HalManifestPtr &manifest, AidlVerifyFn fn) {
113   manifest->forEachInstance([manifest, fn](const auto &manifest_instance) {
114     if (manifest_instance.format() != HalFormat::AIDL) {
115       return true;  // continue to next instance
116     }
117     const std::string &package = manifest_instance.package();
118     const std::string &interface = manifest_instance.interface();
119     const std::string &instance = manifest_instance.instance();
120 
121     auto future_result =
122         std::async([&]() { fn(package, interface, instance); });
123     auto timeout = std::chrono::seconds(1);
124     std::future_status status = future_result.wait_for(timeout);
125     if (status != std::future_status::ready) {
126       cout << "Timed out on: " << package << "." << interface << "/" << instance
127            << endl;
128     }
129     return true;  // continue to next instance
130   });
131 }
132 
GetHalService(const FQName & fq_name,const string & instance_name,Transport transport,bool log)133 sp<IBase> VtsTrebleVintfTestBase::GetHalService(const FQName &fq_name,
134                                                 const string &instance_name,
135                                                 Transport transport, bool log) {
136   return GetHalService(fq_name.string(), instance_name, transport, log);
137 }
138 
GetHalService(const string & fq_name,const string & instance_name,Transport transport,bool log)139 sp<IBase> VtsTrebleVintfTestBase::GetHalService(const string &fq_name,
140                                                 const string &instance_name,
141                                                 Transport transport, bool log) {
142   using android::hardware::details::getRawServiceInternal;
143 
144   if (log) {
145     cout << "Getting: " << fq_name << "/" << instance_name << endl;
146   }
147 
148   // getService blocks until a service is available. In 100% of other cases
149   // where getService is used, it should be called directly. However, this test
150   // enforces that various services are actually available when they are
151   // declared, it must make a couple of precautions in case the service isn't
152   // actually available so that the proper failure can be reported.
153 
154   auto task = std::packaged_task<sp<IBase>()>([fq_name, instance_name]() {
155     return getRawServiceInternal(fq_name, instance_name, true /* retry */,
156                                  false /* getStub */);
157   });
158   auto max_time = std::chrono::seconds(1);
159 
160   std::future<sp<IBase>> future = task.get_future();
161   std::thread(std::move(task)).detach();
162   auto status = future.wait_for(max_time);
163 
164   if (status != std::future_status::ready) return nullptr;
165 
166   sp<IBase> base = future.get();
167   if (base == nullptr) return nullptr;
168 
169   bool wantRemote = transport == Transport::HWBINDER;
170   if (base->isRemote() != wantRemote) return nullptr;
171 
172   return base;
173 }
174 
GetInstanceNames(const sp<IServiceManager> & manager,const FQName & fq_name)175 vector<string> VtsTrebleVintfTestBase::GetInstanceNames(
176     const sp<IServiceManager> &manager, const FQName &fq_name) {
177   vector<string> ret;
178   auto status =
179       manager->listByInterface(fq_name.string(), [&](const auto &out) {
180         for (const auto &e : out) ret.push_back(e);
181       });
182   EXPECT_TRUE(status.isOk()) << status.description();
183   return ret;
184 }
185 
GetInterfaceChain(const sp<IBase> & service)186 vector<string> VtsTrebleVintfTestBase::GetInterfaceChain(
187     const sp<IBase> &service) {
188   vector<string> iface_chain{};
189   service->interfaceChain([&iface_chain](const hidl_vec<hidl_string> &chain) {
190     for (const auto &iface_name : chain) {
191       iface_chain.push_back(iface_name);
192     }
193   });
194   return iface_chain;
195 }
196 
GetPartition(sp<IBase> hal_service)197 Partition VtsTrebleVintfTestBase::GetPartition(sp<IBase> hal_service) {
198   Partition partition = Partition::UNKNOWN;
199   auto ret = hal_service->getDebugInfo(
200       [&](const auto &info) { partition = PartitionOfProcess(info.pid); });
201   EXPECT_TRUE(ret.isOk());
202   return partition;
203 }
204 
GetPassthroughHals(HalManifestPtr manifest)205 set<string> VtsTrebleVintfTestBase::GetPassthroughHals(
206     HalManifestPtr manifest) {
207   std::set<std::string> manifest_passthrough_hals_;
208 
209   auto add_manifest_hals = [&manifest_passthrough_hals_](
210                                const FQName &fq_name,
211                                const string &instance_name,
212                                Transport transport) {
213     if (transport == Transport::HWBINDER) {
214       // ignore
215     } else if (transport == Transport::PASSTHROUGH) {
216       // 1.n in manifest => 1.0, 1.1, ... 1.n are all served (if they exist)
217       FQName fq = fq_name;
218       while (true) {
219         manifest_passthrough_hals_.insert(fq.string() + "/" + instance_name);
220         if (fq.getPackageMinorVersion() <= 0) break;
221         fq = fq.downRev();
222       }
223     } else {
224       ADD_FAILURE() << "Unrecognized transport: " << transport;
225     }
226   };
227   ForEachHidlHalInstance(manifest, add_manifest_hals);
228   return manifest_passthrough_hals_;
229 }
230 
GetHwbinderHals(HalManifestPtr manifest)231 set<string> VtsTrebleVintfTestBase::GetHwbinderHals(HalManifestPtr manifest) {
232   std::set<std::string> manifest_hwbinder_hals_;
233 
234   auto add_manifest_hals = [&manifest_hwbinder_hals_](
235                                const FQName &fq_name,
236                                const string &instance_name,
237                                Transport transport) {
238     if (transport == Transport::HWBINDER) {
239       // 1.n in manifest => 1.0, 1.1, ... 1.n are all served (if they exist)
240       FQName fq = fq_name;
241       while (true) {
242         manifest_hwbinder_hals_.insert(fq.string() + "/" + instance_name);
243         if (fq.getPackageMinorVersion() <= 0) break;
244         fq = fq.downRev();
245       }
246     } else if (transport == Transport::PASSTHROUGH) {
247       // ignore
248     } else {
249       ADD_FAILURE() << "Unrecognized transport: " << transport;
250     }
251   };
252   ForEachHidlHalInstance(manifest, add_manifest_hals);
253   return manifest_hwbinder_hals_;
254 }
255 
256 }  // namespace testing
257 }  // namespace vintf
258 }  // namespace android
259