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Kernel/LibC: Implement super basic select

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This does not really even block but it works... :D
This commit is contained in:
Bananymous
2024-02-12 17:26:33 +02:00
parent f50b4be162
commit 3fc1edede0
34 changed files with 285 additions and 41 deletions
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4
kernel/include/kernel/Networking/E1000/E1000.h
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@@ -46,6 +46,10 @@ namespace Kernel
virtual BAN::ErrorOr<void> send_bytes(BAN::MACAddress destination, EtherType protocol, BAN::ConstByteSpan) override;
virtual bool can_read_impl() const override { return false; }
virtual bool can_write_impl() const override { return false; }
virtual bool has_error_impl() const override { return false; }
private:
BAN::ErrorOr<void> read_mac_address();

4
kernel/include/kernel/Networking/TCPSocket.h
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@@ -57,6 +57,10 @@ namespace Kernel
virtual BAN::ErrorOr<size_t> sendto_impl(BAN::ConstByteSpan message, const sockaddr* address, socklen_t address_len) override;
virtual BAN::ErrorOr<size_t> recvfrom_impl(BAN::ByteSpan message, sockaddr* address, socklen_t* address_len) override;
virtual bool can_read_impl() const override { return m_recv_window.data_size; }
virtual bool can_write_impl() const override { return m_state == State::Established; }
virtual bool has_error_impl() const override { return m_state != State::Established && m_state != State::Listen && m_state != State::SynSent && m_state != State::SynReceived; }
private:
enum class State
{

4
kernel/include/kernel/Networking/UDPSocket.h
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@@ -38,6 +38,10 @@ namespace Kernel
virtual BAN::ErrorOr<size_t> sendto_impl(BAN::ConstByteSpan message, const sockaddr* address, socklen_t address_len) override;
virtual BAN::ErrorOr<size_t> recvfrom_impl(BAN::ByteSpan buffer, sockaddr* address, socklen_t* address_len) override;
virtual bool can_read_impl() const override { return !m_packets.empty(); }
virtual bool can_write_impl() const override { return true; }
virtual bool has_error_impl() const override { return false; }
private:
UDPSocket(NetworkLayer&, ino_t, const TmpInodeInfo&);

4
kernel/include/kernel/Networking/UNIX/Socket.h
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@@ -26,6 +26,10 @@ namespace Kernel
virtual BAN::ErrorOr<size_t> sendto_impl(BAN::ConstByteSpan, const sockaddr*, socklen_t) override;
virtual BAN::ErrorOr<size_t> recvfrom_impl(BAN::ByteSpan, sockaddr*, socklen_t*) override;
virtual bool can_read_impl() const override;
virtual bool can_write_impl() const override;
virtual bool has_error_impl() const override { return false; }
private:
UnixDomainSocket(SocketType, ino_t, const TmpInodeInfo&);