Interface for hidl forward reference test
Test proofs that forward reference can now be used.
Test contains trie implementation and some forward reference examples.
Bug: 31827278
Test: hidl_test
Change-Id: I55cdde500baea3e70ebf4466c681ad652b6ff9fd
diff --git a/tests/trie/1.0/default/Android.bp b/tests/trie/1.0/default/Android.bp
new file mode 100644
index 0000000..315c8bb
--- /dev/null
+++ b/tests/trie/1.0/default/Android.bp
@@ -0,0 +1,16 @@
+cc_library_shared {
+ name: "android.hardware.tests.trie@1.0-impl",
+ defaults: ["hidl_defaults"],
+ relative_install_path: "hw",
+ srcs: [
+ "Trie.cpp",
+ ],
+ shared_libs: [
+ "libbase",
+ "libhidlbase",
+ "libhidltransport",
+ "liblog",
+ "libutils",
+ "android.hardware.tests.trie@1.0",
+ ],
+}
diff --git a/tests/trie/1.0/default/Trie.cpp b/tests/trie/1.0/default/Trie.cpp
new file mode 100644
index 0000000..c81c508
--- /dev/null
+++ b/tests/trie/1.0/default/Trie.cpp
@@ -0,0 +1,114 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "hidl_test"
+
+#include "Trie.h"
+#include <android-base/logging.h>
+#include <inttypes.h>
+#include <string>
+
+namespace android {
+namespace hardware {
+namespace tests {
+namespace trie {
+namespace V1_0 {
+namespace implementation {
+
+// Methods from ::android::hardware::tests::trie::V1_0::ITrie follow.
+Return<void> Trie::newTrie(newTrie_cb _hidl_cb) {
+ LOG(INFO) << "SERVER(Trie) newTrie()";
+
+ TrieNode ret;
+ ret.isTerminal = false;
+ _hidl_cb(ret);
+ return Void();
+}
+
+Return<void> Trie::addStrings(const TrieNode& trie, const hidl_vec<hidl_string>& strings,
+ addStrings_cb _hidl_cb) {
+ LOG(INFO) << "SERVER(Trie) addStrings(trie, " << strings.size() << " strings)";
+
+ // Make trie modifiable.
+ TrieNode newTrie = trie;
+
+ for (const auto& str : strings) {
+ addString(&newTrie, str);
+ }
+ _hidl_cb(newTrie);
+ return Void();
+}
+
+Return<void> Trie::containsStrings(const TrieNode& trie, const hidl_vec<hidl_string>& strings,
+ containsStrings_cb _hidl_cb) {
+ LOG(INFO) << "SERVER(Trie) containsStrings(trie, " << strings.size() << " strings)";
+
+ std::vector<bool> ret(strings.size());
+ for (size_t i = 0; i != strings.size(); ++i) {
+ ret[i] = containsString(&trie, strings[i]);
+ }
+ _hidl_cb(ret);
+ return Void();
+}
+
+void Trie::addString(TrieNode* trieRoot, const std::string& str) {
+ TrieNode* currNode = trieRoot;
+
+ for (char ch : str) {
+ auto& vec = currNode->next;
+
+ auto it = std::find_if(vec.begin(), vec.end(),
+ [&](const TrieEdge& edge) { return ch == edge.character; });
+
+ if (it == vec.end()) {
+ vec.resize(vec.size() + 1);
+ it = vec.end() - 1;
+ it->character = ch;
+ it->node.isTerminal = false;
+ }
+
+ currNode = &(it->node);
+ }
+
+ currNode->isTerminal = true;
+}
+
+bool Trie::containsString(const TrieNode* trieRoot, const std::string& str) {
+ const TrieNode* currNode = trieRoot;
+
+ for (char ch : str) {
+ const auto& vec = currNode->next;
+
+ auto it = std::find_if(vec.begin(), vec.end(),
+ [&](const TrieEdge& edge) { return ch == edge.character; });
+
+ if (it == vec.end()) return false;
+ currNode = &(it->node);
+ }
+
+ return currNode->isTerminal;
+}
+
+ITrie* HIDL_FETCH_ITrie(const char* /* name */) {
+ return new Trie();
+}
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace trie
+} // namespace tests
+} // namespace hardware
+} // namespace android
diff --git a/tests/trie/1.0/default/Trie.h b/tests/trie/1.0/default/Trie.h
new file mode 100644
index 0000000..c2ef40b
--- /dev/null
+++ b/tests/trie/1.0/default/Trie.h
@@ -0,0 +1,61 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_HARDWARE_TESTS_TRIE_V1_0_TRIE_H
+#define ANDROID_HARDWARE_TESTS_TRIE_V1_0_TRIE_H
+
+#include <android/hardware/tests/trie/1.0/ITrie.h>
+#include <hidl/Status.h>
+
+#include <string>
+
+namespace android {
+namespace hardware {
+namespace tests {
+namespace trie {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::tests::trie::V1_0::ITrie;
+using ::android::hardware::tests::trie::V1_0::TrieNode;
+
+struct Trie : public ITrie {
+ // Methods from ::android::hardware::tests::trie::V1_0::ITrie follow.
+ virtual Return<void> newTrie(newTrie_cb _hidl_cb) override;
+ virtual Return<void> addStrings(const TrieNode& trie, const hidl_vec<hidl_string>& strings,
+ addStrings_cb _hidl_cb) override;
+ virtual Return<void> containsStrings(const TrieNode& trie, const hidl_vec<hidl_string>& strings,
+ containsStrings_cb _hidl_cb) override;
+
+ private:
+ void addString(TrieNode* trieRoot, const std::string& str);
+ bool containsString(const TrieNode* trieRoot, const std::string& str);
+};
+
+extern "C" ITrie* HIDL_FETCH_ITrie(const char* name);
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace trie
+} // namespace tests
+} // namespace hardware
+} // namespace android
+
+#endif // ANDROID_HARDWARE_TESTS_TRIE_V1_0_TRIE_H