Fingerprint: HIDL: add default HAL 2.1 implementation

Test: Manual fingerprint functionality verification.

Bug: 31973669
Change-Id: Ib8bcf602ba0c8884b13d31eb23baa88a912ace20
Signed-off-by: Sasha Levitskiy <sanek@google.com>
diff --git a/biometrics/fingerprint/2.1/default/BiometricsFingerprint.cpp b/biometrics/fingerprint/2.1/default/BiometricsFingerprint.cpp
new file mode 100644
index 0000000..3ee7836
--- /dev/null
+++ b/biometrics/fingerprint/2.1/default/BiometricsFingerprint.cpp
@@ -0,0 +1,153 @@
+/*
+ * Copyright (C) 2016 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 <hardware/hardware.h>
+#include <hardware/fingerprint.h>
+#include "BiometricsFingerprint.h"
+
+namespace android {
+namespace hardware {
+namespace biometrics {
+namespace fingerprint {
+namespace V2_1 {
+namespace implementation {
+
+sp<IBiometricsFingerprintClientCallback>
+    BiometricsFingerprint::mClientCallback = nullptr;
+
+BiometricsFingerprint::BiometricsFingerprint(fingerprint_device_t *device)
+    : mDevice(device) {}
+
+BiometricsFingerprint::~BiometricsFingerprint() {
+    ALOG(LOG_VERBOSE, LOG_TAG, "nativeCloseHal()\n");
+    if (mDevice == NULL) {
+        ALOGE("No valid device");
+        return;
+    }
+    int err;
+    if (0 != (err = mDevice->common.close(
+            reinterpret_cast<hw_device_t*>(mDevice)))) {
+        ALOGE("Can't close fingerprint module, error: %d", err);
+        return;
+    }
+    mDevice = NULL;
+}
+
+Return<void> BiometricsFingerprint::setNotify(
+        const sp<IBiometricsFingerprintClientCallback>& clientCallback,
+        setNotify_cb cb)  {
+    mClientCallback = clientCallback;
+    int32_t debugErrno = mDevice->set_notify(mDevice, notify);
+    cb(debugErrno == 0, debugErrno);
+    return Void();
+}
+
+Return<uint64_t> BiometricsFingerprint::preEnroll()  {
+    return mDevice->pre_enroll(mDevice);
+}
+
+Return<void> BiometricsFingerprint::enroll(const HwAuthToken& hat, uint32_t gid,
+        uint32_t timeoutSec, enroll_cb cb)  {
+    const hw_auth_token_t* authToken =
+        reinterpret_cast<const hw_auth_token_t*>(&hat);
+    int32_t debugErrno = mDevice->enroll(mDevice, authToken, gid, timeoutSec);
+    cb(debugErrno == 0, debugErrno);
+    return Void();
+}
+
+Return<void> BiometricsFingerprint::postEnroll(postEnroll_cb cb) {
+    int32_t debugErrno = mDevice->post_enroll(mDevice);
+    cb(debugErrno == 0, debugErrno);
+    return Void();
+}
+
+Return<uint64_t> BiometricsFingerprint::getAuthenticatorId() {
+    return mDevice->get_authenticator_id(mDevice);
+}
+
+Return<void> BiometricsFingerprint::cancel(cancel_cb cb) {
+    int32_t debugErrno = mDevice->cancel(mDevice);
+    cb(debugErrno == 0, debugErrno);
+    return Void();
+}
+
+Return<void> BiometricsFingerprint::enumerate(enumerate_cb cb)  {
+    int32_t debugErrno = mDevice->enumerate(mDevice);
+    cb(debugErrno == 0, debugErrno);
+    return Void();
+}
+
+Return<void> BiometricsFingerprint::remove(uint32_t gid, uint32_t fid,
+        remove_cb cb)  {
+    int32_t debugErrno = mDevice->remove(mDevice, gid, fid);
+    cb(debugErrno == 0, debugErrno);
+    return Void();
+}
+
+Return<void> BiometricsFingerprint::setActiveGroup(uint32_t gid,
+        const hidl_string& storePath, setActiveGroup_cb cb)  {
+    if (storePath.size() >= PATH_MAX || storePath.size() <= 0) {
+        ALOGE("Bad path length: %zd", storePath.size());
+    }
+    int32_t debugErrno = mDevice->set_active_group(mDevice, gid,
+        storePath.c_str());
+    cb(debugErrno == 0, debugErrno);
+    return Void();
+}
+
+Return<void> BiometricsFingerprint::authenticate(uint64_t operationId,
+        uint32_t gid, authenticate_cb cb)  {
+    int32_t debugErrno = mDevice->authenticate(mDevice, operationId, gid);
+    cb(debugErrno == 0, debugErrno);
+    return Void();
+}
+
+IBiometricsFingerprint* HIDL_FETCH_IBiometricsFingerprint(const char*) {
+    int err;
+    const hw_module_t *hw_mdl = NULL;
+    if (0 != (err = hw_get_module(FINGERPRINT_HARDWARE_MODULE_ID, &hw_mdl))) {
+        ALOGE("Can't open fingerprint HW Module, error: %d", err);
+        return nullptr;
+    }
+    if (hw_mdl == NULL) {
+        ALOGE("No valid fingerprint module");
+        return nullptr;
+    }
+
+    fingerprint_module_t const *module =
+        reinterpret_cast<const fingerprint_module_t*>(hw_mdl);
+    if (module->common.methods->open == NULL) {
+        ALOGE("No valid open method");
+        return nullptr;
+    }
+
+    hw_device_t *device = NULL;
+
+    if (0 != (err = module->common.methods->open(hw_mdl, NULL, &device))) {
+        ALOGE("Can't open fingerprint methods, error: %d", err);
+        return nullptr;
+    }
+
+    return new BiometricsFingerprint(
+        reinterpret_cast<fingerprint_device_t*>(device));
+}
+
+} // namespace implementation
+}  // namespace V2_1
+}  // namespace fingerprint
+}  // namespace biometrics
+}  // namespace hardware
+}  // namespace android