Tetheroffload Control and Config VTS

Basic VTS for Tetheroffload Config and Control  HALs.

Bug: 38220415
Change-Id: I6d0867e019aca58d8a6bd1404b8b85ed98274f11
CRs-fixed: 2083182
diff --git a/tetheroffload/config/1.0/vts/functional/Android.bp b/tetheroffload/config/1.0/vts/functional/Android.bp
new file mode 100644
index 0000000..ba6d809
--- /dev/null
+++ b/tetheroffload/config/1.0/vts/functional/Android.bp
@@ -0,0 +1,18 @@
+cc_test {
+    name: "VtsHalTetheroffloadConfigV1_0TargetTest",
+    defaults: ["hidl_defaults"],
+    srcs: ["VtsHalTetheroffloadConfigV1_0TargetTest.cpp"],
+    shared_libs: [
+        "android.hardware.tetheroffload.config@1.0",
+        "libcutils",
+        "libhidlbase",
+        "libhidltransport",
+        "liblog",
+        "libutils",
+    ],
+    static_libs: ["VtsHalHidlTargetTestBase"],
+    cflags: [
+        "-O0",
+        "-g",
+    ],
+}
diff --git a/tetheroffload/config/1.0/vts/functional/VtsHalTetheroffloadConfigV1_0TargetTest.cpp b/tetheroffload/config/1.0/vts/functional/VtsHalTetheroffloadConfigV1_0TargetTest.cpp
new file mode 100644
index 0000000..b0ded4f
--- /dev/null
+++ b/tetheroffload/config/1.0/vts/functional/VtsHalTetheroffloadConfigV1_0TargetTest.cpp
@@ -0,0 +1,186 @@
+/*
+ * 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 "VtsOffloadConfigV1_0TargetTest"
+
+#include <android-base/unique_fd.h>
+#include <android/hardware/tetheroffload/config/1.0/IOffloadConfig.h>
+#include <linux/netfilter/nfnetlink.h>
+#include <linux/netlink.h>
+#include <log/log.h>
+#include <set>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <VtsHalHidlTargetTestBase.h>
+
+using android::hardware::hidl_handle;
+using android::hardware::hidl_string;
+using android::hardware::Return;
+using android::hardware::tetheroffload::config::V1_0::IOffloadConfig;
+using android::hardware::Void;
+using android::sp;
+
+inline const sockaddr * asSockaddr(const sockaddr_nl *nladdr) {
+    return reinterpret_cast<const sockaddr *>(nladdr);
+}
+
+int conntrackSocket(unsigned groups) {
+    android::base::unique_fd s(socket(AF_NETLINK, SOCK_DGRAM, NETLINK_NETFILTER));
+    if (s.get() < 0) {
+        return -errno;
+    }
+
+    const struct sockaddr_nl bind_addr = {
+        .nl_family = AF_NETLINK,
+        .nl_pad = 0,
+        .nl_pid = 0,
+        .nl_groups = groups,
+    };
+    if (::bind(s.get(), asSockaddr(&bind_addr), sizeof(bind_addr)) != 0) {
+        return -errno;
+    }
+
+    const struct sockaddr_nl kernel_addr = {
+        .nl_family = AF_NETLINK,
+        .nl_pad = 0,
+        .nl_pid = 0,
+        .nl_groups = groups,
+    };
+    if (connect(s.get(), asSockaddr(&kernel_addr), sizeof(kernel_addr)) != 0) {
+        return -errno;
+    }
+
+    return s.release();
+}
+
+class OffloadConfigHidlTest : public testing::VtsHalHidlTargetTestBase {
+public:
+    virtual void SetUp() override {
+        config = testing::VtsHalHidlTargetTestBase::getService<IOffloadConfig>();
+        ASSERT_NE(nullptr, config.get()) << "Could not get HIDL instance";
+    }
+
+    virtual void TearDown() override {}
+
+    sp<IOffloadConfig> config;
+};
+
+/**
+ * Ensure handles can be set with correct socket options.
+ */
+TEST_F(OffloadConfigHidlTest, TestSetHandles) {
+    android::base::unique_fd
+        fd1(conntrackSocket(NFNLGRP_CONNTRACK_NEW | NFNLGRP_CONNTRACK_DESTROY)),
+        fd2(conntrackSocket(NFNLGRP_CONNTRACK_UPDATE | NFNLGRP_CONNTRACK_DESTROY));
+
+    if (fd1.get() < 0 || fd2.get() < 0) {
+        ALOGE("Unable to create conntrack handles: %d/%s", errno, strerror(errno));
+        return;
+    }
+
+    native_handle_t* nativeHandle1 = native_handle_create(1, 0);
+    nativeHandle1->data[0] = fd1;
+    hidl_handle h1 = hidl_handle(nativeHandle1);
+
+    native_handle_t* nativeHandle2 = native_handle_create(1, 0);
+    nativeHandle2->data[0] = fd2;
+    hidl_handle h2 = hidl_handle(nativeHandle2);
+
+    if(h1->numFds == 1 && h2->numFds == 1) {
+        ALOGE("Num FDs for both is 1");
+    } else {
+        ALOGE("num FDs not 1: %d %d", h1->numFds, h2->numFds);
+    }
+
+    auto cb = [&](bool success, const hidl_string& errMsg) {
+        ASSERT_TRUE(success) << errMsg.c_str();
+    };
+
+    Return<void> ret = config->setHandles(h1, h2, cb);
+    ASSERT_TRUE(ret.isOk());
+}
+
+/**
+ * Negative testcase
+ * Passing a handle without an associated FD should return an
+ * error (Failed Input Checks). Check that this occurs when
+ * neither handle has an associated FD.
+                                                                */
+TEST_F(OffloadConfigHidlTest, TestSetHandleNone) {
+    native_handle_t* nativeHandle1 = native_handle_create(0, 0);
+    hidl_handle h1 = hidl_handle(nativeHandle1);
+    native_handle_t* nativeHandle2 = native_handle_create(0, 0);
+    hidl_handle h2 = hidl_handle(nativeHandle2);
+
+    auto cb = [&](bool success, const hidl_string& errMsg) {
+        ASSERT_FALSE(success) << errMsg.c_str();
+    };
+
+    Return<void> ret = config->setHandles(h1, h2, cb);
+    ASSERT_TRUE(ret.isOk());
+}
+
+/**
+ * Negative testcase
+ * Passing a handle without an associated FD should return an
+ * error (Failed Input Checks). Check that this occurs with FD2.
+ */
+TEST_F(OffloadConfigHidlTest, TestSetHandle1Only) {
+    android::base::unique_fd
+        fd1(conntrackSocket(NFNLGRP_CONNTRACK_NEW | NFNLGRP_CONNTRACK_DESTROY));
+
+    native_handle_t* nativeHandle1 = native_handle_create(1, 0);
+    nativeHandle1->data[0] = fd1;
+    hidl_handle h1 = hidl_handle(nativeHandle1);
+    native_handle_t* nativeHandle2 = native_handle_create(0, 0);
+    hidl_handle h2 = hidl_handle(nativeHandle2);
+
+    auto cb = [&](bool success, const hidl_string& errMsg) {
+        ASSERT_FALSE(success) << errMsg.c_str();
+    };
+
+    Return<void> ret = config->setHandles(h1, h2, cb);
+    ASSERT_TRUE(ret.isOk());
+}
+
+/**
+ * Negative testcase
+ * Passing a handle without an associated FD should return an
+ * error (Failed Input Checks). Check that this occurs with FD1.
+ */
+TEST_F(OffloadConfigHidlTest, TestSetHandle2OnlyNotOk) {
+    android::base::unique_fd
+        fd2(conntrackSocket(NFNLGRP_CONNTRACK_UPDATE | NFNLGRP_CONNTRACK_DESTROY));
+
+    native_handle_t* nativeHandle1 = native_handle_create(0, 0);
+    hidl_handle h1 = hidl_handle(nativeHandle1);
+    native_handle_t* nativeHandle2 = native_handle_create(1, 0);
+    nativeHandle2->data[0] = fd2;
+    hidl_handle h2 = hidl_handle(nativeHandle2);
+
+    auto cb = [&](bool success, const hidl_string& errMsg) {
+        ASSERT_FALSE(success) << errMsg.c_str();
+    };
+
+    Return<void> ret = config->setHandles(h1, h2, cb);
+    ASSERT_TRUE(ret.isOk());
+}
+
+int main(int argc, char** argv) {
+    testing::InitGoogleTest(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    ALOGE("Test result with status=%d", status);
+    return status;
+}