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Kernel: Tidy up TCPSocket creation a bit

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- Rename create() => try_create()
- Use adopt_nonnull_ref_or_enomem()
This commit is contained in:
Andreas Kling 2021-09-04 23:02:12 +02:00
parent ac85fdeb1c
commit 648c768d81
3 changed files with 10 additions and 13 deletions
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13
Kernel/Net/TCPSocket.cpp
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@ -100,11 +100,11 @@ RefPtr<TCPSocket> TCPSocket::create_client(const IPv4Address& new_local_address,
auto receive_buffer = create_receive_buffer();
if (!receive_buffer)
return {};
auto result = TCPSocket::create(protocol(), receive_buffer.release_nonnull());
if (result.is_error())
auto client_or_error = TCPSocket::try_create(protocol(), receive_buffer.release_nonnull());
if (client_or_error.is_error())
return {};
auto client = result.release_value();
auto client = client_or_error.release_value();
client->set_setup_state(SetupState::InProgress);
client->set_local_address(new_local_address);
client->set_local_port(new_local_port);
@ -152,17 +152,14 @@ TCPSocket::~TCPSocket()
dbgln_if(TCP_SOCKET_DEBUG, "~TCPSocket in state {}", to_string(state()));
}
KResultOr<NonnullRefPtr<TCPSocket>> TCPSocket::create(int protocol, NonnullOwnPtr<DoubleBuffer> receive_buffer)
KResultOr<NonnullRefPtr<TCPSocket>> TCPSocket::try_create(int protocol, NonnullOwnPtr<DoubleBuffer> receive_buffer)
{
// Note: Scratch buffer is only used for SOCK_STREAM sockets.
auto scratch_buffer = KBuffer::try_create_with_size(65536);
if (!scratch_buffer)
return ENOMEM;
auto socket = adopt_ref_if_nonnull(new (nothrow) TCPSocket(protocol, move(receive_buffer), move(scratch_buffer)));
if (socket)
return socket.release_nonnull();
return ENOMEM;
return adopt_nonnull_ref_or_enomem(new (nothrow) TCPSocket(protocol, move(receive_buffer), move(scratch_buffer)));
}
KResultOr<size_t> TCPSocket::protocol_receive(ReadonlyBytes raw_ipv4_packet, UserOrKernelBuffer& buffer, size_t buffer_size, [[maybe_unused]] int flags)