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Kernel: Dont try to register ephemeral TCP ports twice

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stelar7 2021-06-01 01:11:14 +02:00 • committed by Ali Mohammad Pur
parent 70a575d75f
commit 01e5af487f
4 changed files with 28 additions and 19 deletions
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9
Kernel/Net/IPv4Socket.h
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@ -21,6 +21,11 @@ class NetworkAdapter;
class TCPPacket;
class TCPSocket;
struct PortAllocationResult {
KResultOr<u16> error_or_port;
bool did_allocate;
};
class IPv4Socket : public Socket {
public:
static KResultOr<NonnullRefPtr<Socket>> create(int type, int protocol);
@ -72,10 +77,10 @@ protected:
IPv4Socket(int type, int protocol);
virtual const char* class_name() const override { return "IPv4Socket"; }
KResultOr<u16> allocate_local_port_if_needed();
PortAllocationResult allocate_local_port_if_needed();
virtual KResult protocol_bind() { return KSuccess; }
virtual KResult protocol_listen() { return KSuccess; }
virtual KResult protocol_listen([[maybe_unused]] bool did_allocate_port) { return KSuccess; }
virtual KResultOr<size_t> protocol_receive(ReadonlyBytes /* raw_ipv4_packet */, UserOrKernelBuffer&, size_t, int) { return ENOTIMPL; }
virtual KResultOr<size_t> protocol_send(const UserOrKernelBuffer&, size_t) { return ENOTIMPL; }
virtual KResult protocol_connect(FileDescription&, ShouldBlock) { return KSuccess; }