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IPv4: Save the source address/port together with incoming packet payloads.

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We need the address/port to fill in the out-params in recvfrom().
It should now be more or less possible to create a UDP server. :^)
This commit is contained in:
Andreas Kling 2019-05-04 03:27:50 +02:00
parent c4bb9a3ccb
commit 780d2a08c4
6 changed files with 29 additions and 21 deletions
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4
Kernel/Net/TCPSocket.cpp
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@ -54,10 +54,6 @@ int TCPSocket::protocol_receive(const ByteBuffer& packet_buffer, void* buffer, s
size_t payload_size = packet_buffer.size() - sizeof(IPv4Packet) - tcp_packet.header_size();
kprintf("payload_size %u, will it fit in %u?\n", payload_size, buffer_size);
ASSERT(buffer_size >= payload_size);
if (addr) {
auto& ia = *(sockaddr_in*)addr;
ia.sin_port = htons(tcp_packet.destination_port());
}
memcpy(buffer, tcp_packet.payload(), payload_size);
return payload_size;
}