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/*
* Copyright (C) 2012 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 <arpa/inet.h>
#include <linux/socket.h>
#include <binder/Parcel.h>
namespace android {
bool canSerializeSockaddr(const struct sockaddr_storage* addr) {
switch (addr->ss_family) {
case AF_INET:
case AF_INET6:
return true;
default:
return false;
}
}
void serializeSockaddr(Parcel* p, const struct sockaddr_storage* addr) {
switch (addr->ss_family) {
case AF_INET: {
const struct sockaddr_in* s =
reinterpret_cast<const struct sockaddr_in*>(addr);
p->writeInt32(AF_INET);
p->writeInt32(ntohl(s->sin_addr.s_addr));
p->writeInt32(static_cast<int32_t>(ntohs(s->sin_port)));
} break;
case AF_INET6: {
const struct sockaddr_in6* s =
reinterpret_cast<const struct sockaddr_in6*>(addr);
const int32_t* a =
reinterpret_cast<const int32_t*>(s->sin6_addr.s6_addr);
p->writeInt32(AF_INET6);
p->writeInt32(ntohl(a[0]));
p->writeInt32(ntohl(a[1]));
p->writeInt32(ntohl(a[2]));
p->writeInt32(ntohl(a[3]));
p->writeInt32(static_cast<int32_t>(ntohs(s->sin6_port)));
p->writeInt32(ntohl(s->sin6_flowinfo));
p->writeInt32(ntohl(s->sin6_scope_id));
} break;
}
}
void deserializeSockaddr(const Parcel* p, struct sockaddr_storage* addr) {
memset(addr, 0, sizeof(*addr));
addr->ss_family = p->readInt32();
switch(addr->ss_family) {
case AF_INET: {
struct sockaddr_in* s =
reinterpret_cast<struct sockaddr_in*>(addr);
s->sin_addr.s_addr = htonl(p->readInt32());
s->sin_port = htons(static_cast<uint16_t>(p->readInt32()));
} break;
case AF_INET6: {
struct sockaddr_in6* s =
reinterpret_cast<struct sockaddr_in6*>(addr);
int32_t* a = reinterpret_cast<int32_t*>(s->sin6_addr.s6_addr);
a[0] = htonl(p->readInt32());
a[1] = htonl(p->readInt32());
a[2] = htonl(p->readInt32());
a[3] = htonl(p->readInt32());
s->sin6_port = htons(static_cast<uint16_t>(p->readInt32()));
s->sin6_flowinfo = htonl(p->readInt32());
s->sin6_scope_id = htonl(p->readInt32());
} break;
}
}
} // namespace android
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