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Add support for socket send/receive timeouts.

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Only the receive timeout is hooked up yet. You can change the timeout by
calling setsockopt(..., SOL_SOCKET, SO_RCVTIMEO, ...).

Use this mechanism to make /bin/ping report timeouts.
This commit is contained in:
Andreas Kling 2019-03-13 13:13:23 +01:00
parent 7bcd386338
commit 562663df7c
12 changed files with 212 additions and 12 deletions
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15
Kernel/Socket.h
View file

@ -38,13 +38,22 @@ public:
virtual ssize_t sendto(const void*, size_t, int flags, const sockaddr*, socklen_t) = 0;
virtual ssize_t recvfrom(void*, size_t, int flags, const sockaddr*, socklen_t) = 0;
KResult setsockopt(int level, int option, const void*, socklen_t);
KResult getsockopt(int level, int option, void*, socklen_t*);
pid_t origin_pid() const { return m_origin_pid; }
timeval receive_deadline() const { return m_receive_deadline; }
timeval send_deadline() const { return m_send_deadline; }
protected:
Socket(int domain, int type, int protocol);
KResult queue_connection_from(Socket&);
void load_receive_deadline();
void load_send_deadline();
private:
Lock m_lock;
pid_t m_origin_pid { 0 };
@ -54,6 +63,12 @@ private:
int m_backlog { 0 };
bool m_connected { false };
timeval m_receive_timeout { 0, 0 };
timeval m_send_timeout { 0, 0 };
timeval m_receive_deadline { 0, 0 };
timeval m_send_deadline { 0, 0 };
Vector<RetainPtr<Socket>> m_pending;
Vector<RetainPtr<Socket>> m_clients;
};