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/*
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#if USE(LIBWEBRTC)
#include "RTCNetwork.h"
#include <wtf/CrossThreadCopier.h>
#include <wtf/StdLibExtras.h>
#include <wtf/posix/SocketPOSIX.h>
namespace WebKit {
RTCNetwork::RTCNetwork(Vector<char>&& name, Vector<char>&& description, IPAddress prefix, int prefixLength, int type, uint16_t id, int preference, bool active, bool ignored, int scopeID, Vector<InterfaceAddress>&& ips)
: name(WTFMove(name))
, description(WTFMove(description))
, prefix(prefix)
, prefixLength(prefixLength)
, type(type)
, id(id)
, preference(preference)
, active(active)
, ignored(ignored)
, scopeID(scopeID)
, ips(WTFMove(ips)) { }
rtc::Network RTCNetwork::value() const
{
rtc::Network network({ name.data(), name.size() }, { description.data(), description.size() }, prefix.rtcAddress(), prefixLength, rtc::AdapterType(type));
network.set_id(id);
network.set_preference(preference);
network.set_active(active);
network.set_ignored(ignored);
network.set_scope_id(scopeID);
std::vector<rtc::InterfaceAddress> vector;
vector.reserve(ips.size());
for (auto& ip : ips)
vector.push_back(ip.rtcAddress());
network.SetIPs(WTFMove(vector), true);
return network;
}
RTCNetwork RTCNetwork::isolatedCopy() const
{
return RTCNetwork {
crossThreadCopy(name),
crossThreadCopy(description),
prefix,
prefixLength,
type,
id,
preference,
active,
ignored,
scopeID,
crossThreadCopy(ips)
};
}
namespace RTC::Network {
rtc::SocketAddress SocketAddress::rtcAddress() const
{
rtc::SocketAddress result;
result.SetPort(port);
result.SetScopeID(scopeID);
result.SetIP({ hostname.data(), hostname.size() });
if (ipAddress)
result.SetResolvedIP(ipAddress->rtcAddress());
return result;
}
SocketAddress::SocketAddress(const rtc::SocketAddress& value)
: port(value.port())
, scopeID(value.scope_id())
, hostname(std::span { value.hostname() })
, ipAddress(value.IsUnresolvedIP() ? std::nullopt : std::optional(IPAddress(value.ipaddr())))
{
}
static std::array<uint32_t, 4> fromIPv6Address(const struct in6_addr& address)
{
std::array<uint32_t, 4> array;
static_assert(sizeof(array) == sizeof(address));
memcpySpan(asMutableByteSpan(array), asByteSpan(address));
return array;
}
IPAddress::IPAddress(const rtc::IPAddress& input)
{
switch (input.family()) {
case AF_INET6:
value = fromIPv6Address(input.ipv6_address());
break;
case AF_INET:
value = input.ipv4_address().s_addr;
break;
case AF_UNSPEC:
value = UnspecifiedFamily { };
break;
default:
RELEASE_ASSERT_NOT_REACHED();
}
}
IPAddress::IPAddress(const struct sockaddr& address)
{
switch (address.sa_family) {
case AF_INET6:
value = fromIPv6Address(asIPV6SocketAddress(address).sin6_addr);
break;
case AF_INET:
value = asIPV4SocketAddress(address).sin_addr.s_addr;
break;
case AF_UNSPEC:
value = UnspecifiedFamily { };
break;
default:
RELEASE_ASSERT_NOT_REACHED();
}
}
rtc::IPAddress IPAddress::rtcAddress() const
{
return WTF::switchOn(value, [](UnspecifiedFamily) {
return rtc::IPAddress();
}, [] (uint32_t ipv4) {
in_addr addressv4;
addressv4.s_addr = ipv4;
return rtc::IPAddress(addressv4);
}, [] (std::array<uint32_t, 4> ipv6) {
in6_addr result;
static_assert(sizeof(ipv6) == sizeof(result));
memcpySpan(asMutableByteSpan(result), asByteSpan(ipv6));
return rtc::IPAddress(result);
});
}
rtc::InterfaceAddress InterfaceAddress::rtcAddress() const
{
return rtc::InterfaceAddress(address.rtcAddress(), ipv6Flags);
}
}
}
#endif // USE(LIBWEBRTC)
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