90 lines
3.0 KiB
C++
90 lines
3.0 KiB
C++
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/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <arpa/inet.h>
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#include <linux/socket.h>
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#include <binder/Parcel.h>
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namespace android {
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bool canSerializeSockaddr(const struct sockaddr_storage* addr) {
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switch (addr->ss_family) {
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case AF_INET:
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case AF_INET6:
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return true;
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default:
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return false;
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}
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}
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void serializeSockaddr(Parcel* p, const struct sockaddr_storage* addr) {
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switch (addr->ss_family) {
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case AF_INET: {
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const struct sockaddr_in* s =
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reinterpret_cast<const struct sockaddr_in*>(addr);
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p->writeInt32(AF_INET);
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p->writeInt32(ntohl(s->sin_addr.s_addr));
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p->writeInt32(static_cast<int32_t>(ntohs(s->sin_port)));
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} break;
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case AF_INET6: {
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const struct sockaddr_in6* s =
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reinterpret_cast<const struct sockaddr_in6*>(addr);
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const int32_t* a =
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reinterpret_cast<const int32_t*>(s->sin6_addr.s6_addr);
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p->writeInt32(AF_INET6);
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p->writeInt32(ntohl(a[0]));
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p->writeInt32(ntohl(a[1]));
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p->writeInt32(ntohl(a[2]));
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p->writeInt32(ntohl(a[3]));
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p->writeInt32(static_cast<int32_t>(ntohs(s->sin6_port)));
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p->writeInt32(ntohl(s->sin6_flowinfo));
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p->writeInt32(ntohl(s->sin6_scope_id));
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} break;
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}
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}
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void deserializeSockaddr(const Parcel* p, struct sockaddr_storage* addr) {
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memset(addr, 0, sizeof(addr));
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addr->ss_family = p->readInt32();
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switch(addr->ss_family) {
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case AF_INET: {
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struct sockaddr_in* s =
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reinterpret_cast<struct sockaddr_in*>(addr);
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s->sin_addr.s_addr = htonl(p->readInt32());
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s->sin_port = htons(static_cast<uint16_t>(p->readInt32()));
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} break;
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case AF_INET6: {
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struct sockaddr_in6* s =
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reinterpret_cast<struct sockaddr_in6*>(addr);
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int32_t* a = reinterpret_cast<int32_t*>(s->sin6_addr.s6_addr);
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a[0] = htonl(p->readInt32());
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a[1] = htonl(p->readInt32());
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a[2] = htonl(p->readInt32());
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a[3] = htonl(p->readInt32());
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s->sin6_port = htons(static_cast<uint16_t>(p->readInt32()));
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s->sin6_flowinfo = htonl(p->readInt32());
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s->sin6_scope_id = htonl(p->readInt32());
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} break;
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}
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}
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} // namespace android
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