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Kernel: Implement TCP listening sockets and incoming connections

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This commit is contained in:
Conrad Pankoff 2019-08-09 12:48:28 +10:00 • committed by Andreas Kling
parent a53437aa06
commit 3eb659a2bb
3 changed files with 89 additions and 15 deletions
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31
Kernel/Net/TCPSocket.h
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@ -10,6 +10,29 @@ public:
static NonnullRefPtr<TCPSocket> create(int protocol);
virtual ~TCPSocket() override;
enum class Direction {
Unspecified,
Outgoing,
Incoming,
Passive,
};
static const char* to_string(Direction direction)
{
switch (direction) {
case Direction::Unspecified:
return "Unspecified";
case Direction::Outgoing:
return "Outgoing";
case Direction::Incoming:
return "Incoming";
case Direction::Passive:
return "Passive";
default:
return "None";
}
}
enum class State {
Closed,
Listen,
@ -57,6 +80,8 @@ public:
State state() const { return m_state; }
void set_state(State state) { m_state = state; }
Direction direction() const { return m_direction; }
void set_ack_number(u32 n) { m_ack_number = n; }
void set_sequence_number(u32 n) { m_sequence_number = n; }
u32 ack_number() const { return m_ack_number; }
@ -73,6 +98,11 @@ public:
static TCPSocketHandle from_tuple(const IPv4SocketTuple& tuple);
static TCPSocketHandle from_endpoints(const IPv4Address& local_address, u16 local_port, const IPv4Address& peer_address, u16 peer_port);
TCPSocketHandle create_client(const IPv4Address& local_address, u16 local_port, const IPv4Address& peer_address, u16 peer_port);
protected:
void set_direction(Direction direction) { m_direction = direction; }
private:
explicit TCPSocket(int protocol);
virtual const char* class_name() const override { return "TCPSocket"; }
@ -87,6 +117,7 @@ private:
virtual KResult protocol_bind() override;
virtual KResult protocol_listen() override;
Direction m_direction { Direction::Unspecified };
WeakPtr<NetworkAdapter> m_adapter;
u32 m_sequence_number { 0 };
u32 m_ack_number { 0 };