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Kernel: Use a more detailed state machine for socket setup

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This commit is contained in:
Conrad Pankoff
2019-08-10 13:17:00 +10:00
committed by Andreas Kling
parent 638008da13
commit bd6d2c0819
8 changed files with 64 additions and 11 deletions
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6
Kernel/Net/TCPSocket.cpp
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@@ -70,6 +70,7 @@ SocketHandle<TCPSocket> TCPSocket::create_client(const IPv4Address& new_local_ad
auto client = TCPSocket::create(protocol());
client->set_setup_state(SetupState::InProgress);
client->set_local_address(new_local_address);
client->set_local_port(new_local_port);
client->set_peer_address(new_peer_address);
@@ -239,7 +240,7 @@ KResult TCPSocket::protocol_listen()
sockets_by_tuple().resource().set(tuple(), this);
set_direction(Direction::Passive);
set_state(State::Listen);
set_connected(true);
set_setup_state(SetupState::Completed);
return KSuccess;
}
@@ -264,6 +265,7 @@ KResult TCPSocket::protocol_connect(FileDescription& description, ShouldBlock sh
m_sequence_number = 0;
m_ack_number = 0;
set_setup_state(SetupState::InProgress);
send_tcp_packet(TCPFlags::SYN);
m_state = State::SynSent;
m_direction = Direction::Outgoing;
@@ -271,7 +273,7 @@ KResult TCPSocket::protocol_connect(FileDescription& description, ShouldBlock sh
if (should_block == ShouldBlock::Yes) {
if (current->block<Thread::ConnectBlocker>(description) == Thread::BlockResult::InterruptedBySignal)
return KResult(-EINTR);
ASSERT(is_connected());
ASSERT(setup_state() == SetupState::Completed);
return KSuccess;
}