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IPv4: Dynamically allocate the UDP source port if needed.

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This commit is contained in:
Andreas Kling 2019-03-13 16:05:56 +01:00
parent 4dddf949c8
commit 209a16bb7f
3 changed files with 47 additions and 1 deletions
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5
Kernel/IPv4Socket.h
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@ -3,6 +3,7 @@
#include <Kernel/Socket.h>
#include <Kernel/DoubleBuffer.h>
#include <Kernel/IPv4.h>
#include <AK/HashMap.h>
#include <AK/Lock.h>
#include <AK/SinglyLinkedList.h>
@ -12,6 +13,8 @@ public:
virtual ~IPv4Socket() override;
static Lockable<HashTable<IPv4Socket*>>& all_sockets();
static Lockable<HashMap<word, IPv4Socket*>>& sockets_by_udp_port();
static Lockable<HashMap<word, IPv4Socket*>>& sockets_by_tcp_port();
virtual KResult bind(const sockaddr*, socklen_t) override;
virtual KResult connect(const sockaddr*, socklen_t) override;
@ -36,6 +39,8 @@ private:
IPv4Socket(int type, int protocol);
virtual bool is_ipv4() const override { return true; }
void allocate_source_port_if_needed();
bool m_bound { false };
int m_attached_fds { 0 };
IPv4Address m_destination_address;