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 #define LOG_TAG "hwservicemanager"
18 //#define LOG_NDEBUG 0
19
20 #include "Vintf.h"
21
22 #include <android-base/logging.h>
23 #include <vintf/parse_string.h>
24 #include <vintf/VintfObject.h>
25
26 namespace android {
27 namespace hardware {
28
getTransportFromManifest(const FQName & fqName,const std::string & instanceName,const std::shared_ptr<const vintf::HalManifest> & vm)29 vintf::Transport getTransportFromManifest(
30 const FQName &fqName, const std::string &instanceName,
31 const std::shared_ptr<const vintf::HalManifest>& vm) {
32 if (vm == nullptr) {
33 return vintf::Transport::EMPTY;
34 }
35 return vm->getTransport(fqName.package(), fqName.getVersion(), fqName.name(), instanceName);
36 }
37
getTransport(const std::string & interfaceName,const std::string & instanceName)38 vintf::Transport getTransport(const std::string &interfaceName, const std::string &instanceName) {
39 FQName fqName;
40
41 if (!FQName::parse(interfaceName, &fqName)) {
42 LOG(ERROR) << __FUNCTION__ << ": " << interfaceName
43 << " is not a valid fully-qualified name.";
44 return vintf::Transport::EMPTY;
45 }
46 if (!fqName.hasVersion()) {
47 LOG(ERROR) << __FUNCTION__ << ": " << fqName.string()
48 << " does not specify a version.";
49 return vintf::Transport::EMPTY;
50 }
51 if (fqName.name().empty()) {
52 LOG(ERROR) << __FUNCTION__ << ": " << fqName.string()
53 << " does not specify an interface name.";
54 return vintf::Transport::EMPTY;
55 }
56
57 vintf::Transport tr = getTransportFromManifest(fqName, instanceName,
58 vintf::VintfObject::GetFrameworkHalManifest());
59 if (tr != vintf::Transport::EMPTY) {
60 return tr;
61 }
62 tr = getTransportFromManifest(fqName, instanceName,
63 vintf::VintfObject::GetDeviceHalManifest());
64 if (tr != vintf::Transport::EMPTY) {
65 return tr;
66 }
67
68 LOG(INFO) << __FUNCTION__ << ": Cannot find entry " << fqName.string() << "/" << instanceName
69 << " in either framework or device manifest.";
70 return vintf::Transport::EMPTY;
71 }
72
getInstances(const std::string & interfaceName)73 std::set<std::string> getInstances(const std::string& interfaceName) {
74 FQName fqName;
75 if (!FQName::parse(interfaceName, &fqName) || !fqName.isFullyQualified() ||
76 fqName.isValidValueName() || !fqName.isInterfaceName()) {
77 LOG(ERROR) << __FUNCTION__ << ": " << interfaceName
78 << " is not a valid fully-qualified name.";
79 return {};
80 }
81
82 std::set<std::string> ret;
83
84 auto deviceManifest = vintf::VintfObject::GetDeviceHalManifest();
85 auto frameworkManifest = vintf::VintfObject::GetFrameworkHalManifest();
86
87 std::set<std::string> deviceSet =
88 deviceManifest->getInstances(fqName.package(), fqName.getVersion(), fqName.name());
89 std::set<std::string> frameworkSet =
90 frameworkManifest->getInstances(fqName.package(), fqName.getVersion(), fqName.name());
91
92 ret.insert(deviceSet.begin(), deviceSet.end());
93 ret.insert(frameworkSet.begin(), frameworkSet.end());
94
95 return ret;
96 }
97
98
99 } // hardware
100 } // android
101