ladybird/Kernel/Net/LoopbackAdapter.cpp
Brian Gianforcaro 2770433d30 Kernel: Convert network adapter names to Kernel::KString
Another step of incremental progress of removing `AK::String` from the
kernel, to harden against OOM.
2021-10-01 17:22:17 +00:00

42 lines
973 B
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Singleton.h>
#include <Kernel/Net/LoopbackAdapter.h>
namespace Kernel {
static bool s_loopback_initialized = false;
RefPtr<LoopbackAdapter> LoopbackAdapter::try_create()
{
auto interface_name = KString::try_create("loop"sv);
if (interface_name.is_error())
return {};
return adopt_ref_if_nonnull(new LoopbackAdapter(interface_name.release_value()));
}
LoopbackAdapter::LoopbackAdapter(NonnullOwnPtr<KString> interface_name)
: NetworkAdapter(move(interface_name))
{
VERIFY(!s_loopback_initialized);
s_loopback_initialized = true;
set_mtu(65536);
set_mac_address({ 19, 85, 2, 9, 0x55, 0xaa });
}
LoopbackAdapter::~LoopbackAdapter()
{
}
void LoopbackAdapter::send_raw(ReadonlyBytes payload)
{
dbgln("LoopbackAdapter: Sending {} byte(s) to myself.", payload.size());
did_receive(payload);
}
}