libbinder: Add support for Value, Map, and IpPrefix types
Change-Id: I4cd06c7c65f69e6b787111573b29c4ff22f57981
diff --git a/libs/binder/IpPrefix.cpp b/libs/binder/IpPrefix.cpp
new file mode 100644
index 0000000..3a8a63c
--- /dev/null
+++ b/libs/binder/IpPrefix.cpp
@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2015 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 "IpPrefix"
+
+#include <binder/IpPrefix.h>
+#include <vector>
+
+#include <binder/IBinder.h>
+#include <binder/Parcel.h>
+#include <log/log.h>
+#include <utils/Errors.h>
+
+using android::BAD_TYPE;
+using android::BAD_VALUE;
+using android::NO_ERROR;
+using android::Parcel;
+using android::status_t;
+using android::UNEXPECTED_NULL;
+using namespace ::android::binder;
+
+namespace android {
+
+namespace net {
+
+#define RETURN_IF_FAILED(calledOnce) \
+ { \
+ status_t returnStatus = calledOnce; \
+ if (returnStatus) { \
+ ALOGE("Failed at %s:%d (%s)", __FILE__, __LINE__, __func__); \
+ return returnStatus; \
+ } \
+ }
+
+status_t IpPrefix::writeToParcel(Parcel* parcel) const {
+ /*
+ * Keep implementation in sync with writeToParcel() in
+ * frameworks/base/core/java/android/net/IpPrefix.java.
+ */
+ std::vector<uint8_t> byte_vector;
+
+ if (mIsIpv6) {
+ const uint8_t* bytes = reinterpret_cast<const uint8_t*>(&mUnion.mIn6Addr);
+ byte_vector.insert(byte_vector.end(), bytes, bytes+sizeof(mUnion.mIn6Addr));
+ } else {
+ const uint8_t* bytes = reinterpret_cast<const uint8_t*>(&mUnion.mInAddr);
+ byte_vector.insert(byte_vector.end(), bytes, bytes+sizeof(mUnion.mIn6Addr));
+ }
+
+ RETURN_IF_FAILED(parcel->writeByteVector(byte_vector));
+ RETURN_IF_FAILED(parcel->writeInt32(static_cast<int32_t>(mPrefixLength)));
+
+ return NO_ERROR;
+}
+
+status_t IpPrefix::readFromParcel(const Parcel* parcel) {
+ /*
+ * Keep implementation in sync with readFromParcel() in
+ * frameworks/base/core/java/android/net/IpPrefix.java.
+ */
+ std::vector<uint8_t> byte_vector;
+
+ RETURN_IF_FAILED(parcel->readByteVector(&byte_vector));
+ RETURN_IF_FAILED(parcel->readInt32(&mPrefixLength));
+
+ if (byte_vector.size() == 16) {
+ mIsIpv6 = true;
+ memcpy((void*)&mUnion.mIn6Addr, &byte_vector[0], sizeof(mUnion.mIn6Addr));
+
+ } else if (byte_vector.size() == 4) {
+ mIsIpv6 = false;
+ memcpy((void*)&mUnion.mInAddr, &byte_vector[0], sizeof(mUnion.mInAddr));
+
+ } else {
+ ALOGE("Failed at %s:%d (%s)", __FILE__, __LINE__, __func__); \
+ return BAD_VALUE;
+ }
+
+ return NO_ERROR;
+}
+
+const struct in6_addr& IpPrefix::getAddressAsIn6Addr() const
+{
+ return mUnion.mIn6Addr;
+}
+
+const struct in_addr& IpPrefix::getAddressAsInAddr() const
+{
+ return mUnion.mInAddr;
+}
+
+bool IpPrefix::getAddressAsIn6Addr(struct in6_addr* addr) const
+{
+ if (isIpv6()) {
+ *addr = mUnion.mIn6Addr;
+ return true;
+ }
+ return false;
+}
+
+bool IpPrefix::getAddressAsInAddr(struct in_addr* addr) const
+{
+ if (isIpv4()) {
+ *addr = mUnion.mInAddr;
+ return true;
+ }
+ return false;
+}
+
+bool IpPrefix::isIpv6() const
+{
+ return mIsIpv6;
+}
+
+bool IpPrefix::isIpv4() const
+{
+ return !mIsIpv6;
+}
+
+int32_t IpPrefix::getPrefixLength() const
+{
+ return mPrefixLength;
+}
+
+void IpPrefix::setAddress(const struct in6_addr& addr)
+{
+ mUnion.mIn6Addr = addr;
+ mIsIpv6 = true;
+}
+
+void IpPrefix::setAddress(const struct in_addr& addr)
+{
+ mUnion.mInAddr = addr;
+ mIsIpv6 = false;
+}
+
+void IpPrefix::setPrefixLength(int32_t prefix)
+{
+ mPrefixLength = prefix;
+}
+
+bool operator==(const IpPrefix& lhs, const IpPrefix& rhs)
+{
+ if (lhs.mIsIpv6 != rhs.mIsIpv6) {
+ return false;
+ }
+
+ if (lhs.mPrefixLength != rhs.mPrefixLength) {
+ return false;
+ }
+
+ if (lhs.mIsIpv6) {
+ return 0 == memcmp(lhs.mUnion.mIn6Addr.s6_addr, rhs.mUnion.mIn6Addr.s6_addr, sizeof(struct in6_addr));
+ }
+
+ return 0 == memcmp(&lhs.mUnion.mInAddr, &rhs.mUnion.mInAddr, sizeof(struct in_addr));
+}
+
+} // namespace net
+
+} // namespace android