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Kernel/Net: Make IPv4Socket::protocol_receive() take a ReadonlyBytes

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The overrides of this function don't need to know how the original
packet was stored, so let's just give them a ReadonlyBytes view of
the raw packet data.
This commit is contained in:
Andreas Kling 2020-12-18 16:13:23 +01:00
parent 8e79bde2b7
commit 8cc81c2953
6 changed files with 10 additions and 10 deletions
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4
Kernel/Net/UDPSocket.cpp
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@ -79,10 +79,10 @@ NonnullRefPtr<UDPSocket> UDPSocket::create(int protocol)
return adopt(*new UDPSocket(protocol));
}
KResultOr<size_t> UDPSocket::protocol_receive(const KBuffer& packet_buffer, UserOrKernelBuffer& buffer, size_t buffer_size, int flags)
KResultOr<size_t> UDPSocket::protocol_receive(ReadonlyBytes raw_ipv4_packet, UserOrKernelBuffer& buffer, size_t buffer_size, int flags)
{
(void)flags;
auto& ipv4_packet = *(const IPv4Packet*)(packet_buffer.data());
auto& ipv4_packet = *(const IPv4Packet*)(raw_ipv4_packet.data());
auto& udp_packet = *static_cast<const UDPPacket*>(ipv4_packet.payload());
ASSERT(udp_packet.length() >= sizeof(UDPPacket)); // FIXME: This should be rejected earlier.
ASSERT(buffer_size >= (udp_packet.length() - sizeof(UDPPacket)));