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Kernel+LibC+Userland: Start working on an IPv4 socket backend.

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The first userland networking program will be "ping" :^)
This commit is contained in:
Andreas Kling 2019-03-12 15:51:42 +01:00
parent 8e667747f0
commit a017a77442
23 changed files with 374 additions and 3 deletions
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34
Kernel/IPv4Socket.h Normal file
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#pragma once
#include <Kernel/Socket.h>
#include <Kernel/DoubleBuffer.h>
#include <Kernel/IPv4.h>
class IPv4Socket final : public Socket {
public:
static Retained<IPv4Socket> create(int type, int protocol);
virtual ~IPv4Socket() override;
virtual KResult bind(const sockaddr*, socklen_t) override;
virtual KResult connect(const sockaddr*, socklen_t) override;
virtual bool get_address(sockaddr*, socklen_t*) override;
virtual void attach_fd(SocketRole) override;
virtual void detach_fd(SocketRole) override;
virtual bool can_read(SocketRole) const override;
virtual ssize_t read(SocketRole, byte*, ssize_t) override;
virtual ssize_t write(SocketRole, const byte*, ssize_t) override;
virtual bool can_write(SocketRole) const override;
virtual ssize_t sendto(const void*, size_t, int, const sockaddr*, socklen_t) override;
private:
IPv4Socket(int type, int protocol);
virtual bool is_ipv4() const override { return true; }
bool m_bound { false };
int m_attached_fds { 0 };
IPv4Address m_peer_address;
DoubleBuffer m_for_client;
DoubleBuffer m_for_server;
};