summaryrefslogtreecommitdiffstats
blob: c0f4c8e996eb4196331374fed83b4e9e94e1d564 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "ManifestHal.h"
#include <unordered_set>

#include "MapValueIterator.h"
#include "parse_string.h"

namespace android {
namespace vintf {

bool ManifestHal::isValid() const {
    std::unordered_set<size_t> existing;
    for (const auto &v : versions) {
        if (existing.find(v.majorVer) != existing.end()) {
            return false;
        }
        existing.insert(v.majorVer);
    }
    return transportArch.isValid();
}

bool ManifestHal::operator==(const ManifestHal &other) const {
    if (format != other.format)
        return false;
    if (name != other.name)
        return false;
    if (versions != other.versions)
        return false;
    if (!(transportArch == other.transportArch)) return false;
    if (interfaces != other.interfaces) return false;
    if (isOverride() != other.isOverride()) return false;
    if (mAdditionalInstances != other.mAdditionalInstances) return false;
    return true;
}

bool ManifestHal::forEachInstance(const std::function<bool(const ManifestInstance&)>& func) const {
    for (const auto& v : versions) {
        for (const auto& intf : iterateValues(interfaces)) {
            for (const auto& instance : intf.instances) {
                // TODO(b/73556059): Store ManifestInstance as well to avoid creating temps
                FqInstance fqInstance;
                if (fqInstance.setTo(getName(), v.majorVer, v.minorVer, intf.name, instance)) {
                    if (!func(ManifestInstance(std::move(fqInstance), TransportArch{transportArch},
                                               format))) {
                        return false;
                    }
                }
            }
        }
    }

    for (const auto& manifestInstance : mAdditionalInstances) {
        if (!func(manifestInstance)) {
            return false;
        }
    }

    return true;
}

bool ManifestHal::isDisabledHal() const {
    if (!isOverride()) return false;
    bool hasInstance = false;
    forEachInstance([&hasInstance](const auto&) {
        hasInstance = true;
        return false;  // has at least one instance, stop here.
    });
    return !hasInstance;
}

void ManifestHal::appendAllVersions(std::set<Version>* ret) const {
    ret->insert(versions.begin(), versions.end());
    forEachInstance([&](const auto& e) {
        ret->insert(e.version());
        return true;
    });
}

static bool verifyInstances(const std::set<FqInstance>& fqInstances, std::string* error) {
    for (const FqInstance& fqInstance : fqInstances) {
        if (fqInstance.hasPackage()) {
            if (error) *error = "Should not specify package: \"" + fqInstance.string() + "\"";
            return false;
        }
        if (!fqInstance.hasVersion()) {
            if (error) *error = "Should specify version: \"" + fqInstance.string() + "\"";
            return false;
        }
        if (!fqInstance.hasInterface()) {
            if (error) *error = "Should specify interface: \"" + fqInstance.string() + "\"";
            return false;
        }
        if (!fqInstance.hasInstance()) {
            if (error) *error = "Should specify instance: \"" + fqInstance.string() + "\"";
            return false;
        }
    }
    return true;
}

bool ManifestHal::insertInstances(const std::set<FqInstance>& fqInstances, std::string* error) {
    if (!verifyInstances(fqInstances, error)) {
        return false;
    }

    for (const FqInstance& e : fqInstances) {
        FqInstance withPackage;
        if (!withPackage.setTo(this->getName(), e.getMajorVersion(), e.getMinorVersion(),
                               e.getInterface(), e.getInstance())) {
            if (error) {
                *error = "Cannot create FqInstance with package='" + this->getName() +
                         "', version='" + to_string(Version(e.getVersion())) + "', interface='" +
                         e.getInterface() + "', instance='" + e.getInstance() + "'";
            }
            return false;
        }
        mAdditionalInstances.emplace(std::move(withPackage), this->transportArch, this->format);
    }

    return true;
}

} // namespace vintf
} // namespace android