Netd unsolicited event porting

Use another buffer to log unsolicited event.

Test: built, flashed, booted
Test: 1. manual test datacall/wifi work
      2. manual test tethering work
      3. run cts StrictModeTest pass
      4. manual test data alert work
      5. manual idletimer work

Change-Id: I1e4ed360b0c9d60c14bc7f0ffdf578fc557d3643
diff --git a/tests/TestUnsolService.cpp b/tests/TestUnsolService.cpp
new file mode 100644
index 0000000..134328b
--- /dev/null
+++ b/tests/TestUnsolService.cpp
@@ -0,0 +1,149 @@
+/**
+ * Copyright (c) 2018, 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 "TestUnsolService"
+
+#include <cinttypes>
+#include <vector>
+
+#include <android-base/stringprintf.h>
+#include <android-base/strings.h>
+#include <log/log.h>
+#include <utils/Errors.h>
+#include <utils/String16.h>
+
+#include <binder/IPCThreadState.h>
+#include <binder/IServiceManager.h>
+#include "android/net/BnNetdUnsolicitedEventListener.h"
+
+#include "TestUnsolService.h"
+
+using android::base::StringPrintf;
+
+namespace android {
+namespace net {
+
+TestUnsolService* TestUnsolService::start() {
+    IPCThreadState::self()->disableBackgroundScheduling(true);
+    sp<IServiceManager> sm(defaultServiceManager());
+
+    auto service = new TestUnsolService();
+    const status_t ret = sm->addService(String16(getServiceName()), service, false,
+                                        IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT);
+    if (ret != android::OK) {
+        return nullptr;
+    }
+    sp<ProcessState> ps(ProcessState::self());
+    ps->startThreadPool();
+    ps->giveThreadPoolName();
+
+    return service;
+}
+
+namespace {
+
+bool containsSubstring(const std::vector<std::string>& vec, const std::string& subStr) {
+    return std::any_of(vec.begin(), vec.end(), [&subStr](const std::string& str) {
+        return (str.find(subStr) != std::string::npos);
+    });
+}
+
+}  // namespace
+
+void TestUnsolService::checkTarget(const std::string& ifName, uint32_t flag) {
+    if (containsSubstring(tarVec, ifName)) {
+        received_ |= flag;
+        maybeNotify();
+    };
+}
+
+void TestUnsolService::maybeNotify() {
+    // We only have test case for below event currently.
+    if (received_ == (InterfaceAddressUpdated | InterfaceAdded | InterfaceRemoved |
+                      InterfaceLinkStatusChanged | RouteChanged)) {
+        std::lock_guard lock(cv_mutex_);
+        cv_.notify_one();
+    }
+}
+
+binder::Status TestUnsolService::onInterfaceClassActivityChanged(bool isActive, int label,
+                                                                 int64_t timestamp, int uid) {
+    events_.push_back(StringPrintf("onInterfaceClassActivityChanged %d %d %" PRId64 "%d", isActive,
+                                   label, timestamp, uid));
+    return binder::Status::ok();
+}
+
+binder::Status TestUnsolService::onQuotaLimitReached(const std::string& alertName,
+                                                     const std::string& ifName) {
+    events_.push_back(StringPrintf("onQuotaLimitReached %s %s", alertName.c_str(), ifName.c_str()));
+    return binder::Status::ok();
+}
+
+binder::Status TestUnsolService::onInterfaceDnsServerInfo(const std::string& ifName,
+                                                          int64_t lifetime,
+                                                          const std::vector<std::string>& servers) {
+    events_.push_back(StringPrintf("onInterfaceDnsServerInfo %s %" PRId64 "%s", ifName.c_str(),
+                                   lifetime, base::Join(servers, ", ").c_str()));
+    return binder::Status::ok();
+}
+
+binder::Status TestUnsolService::onInterfaceAddressUpdated(const std::string&,
+                                                           const std::string& ifName, int, int) {
+    checkTarget(ifName, InterfaceAddressUpdated);
+    return binder::Status::ok();
+}
+
+binder::Status TestUnsolService::onInterfaceAddressRemoved(const std::string& addr,
+                                                           const std::string& ifName, int flags,
+                                                           int scope) {
+    events_.push_back(StringPrintf("onInterfaceAddressRemoved %s %s %d %d", addr.c_str(),
+                                   ifName.c_str(), flags, scope));
+    return binder::Status::ok();
+}
+
+binder::Status TestUnsolService::onInterfaceAdded(const std::string& ifName) {
+    checkTarget(ifName, InterfaceAdded);
+    return binder::Status::ok();
+}
+
+binder::Status TestUnsolService::onInterfaceRemoved(const std::string& ifName) {
+    checkTarget(ifName, InterfaceRemoved);
+    return binder::Status::ok();
+}
+
+binder::Status TestUnsolService::onInterfaceChanged(const std::string& ifName, bool status) {
+    events_.push_back(StringPrintf("onInterfaceChanged %s %d", ifName.c_str(), status));
+    return binder::Status::ok();
+}
+
+binder::Status TestUnsolService::onInterfaceLinkStateChanged(const std::string& ifName, bool) {
+    checkTarget(ifName, InterfaceLinkStatusChanged);
+    return binder::Status::ok();
+}
+
+binder::Status TestUnsolService::onRouteChanged(bool, const std::string&, const std::string&,
+                                                const std::string& ifName) {
+    checkTarget(ifName, RouteChanged);
+    return binder::Status::ok();
+}
+
+binder::Status TestUnsolService::onStrictCleartextDetected(int uid, const std::string& hex) {
+    events_.push_back(StringPrintf("onStrictCleartextDetected %d %s", uid, hex.c_str()));
+    return binder::Status::ok();
+}
+
+}  // namespace net
+}  // namespace android
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