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| -rw-r--r-- | include/socketengine.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/include/socketengine.h b/include/socketengine.h index 46a267fb1..95688117e 100644 --- a/include/socketengine.h +++ b/include/socketengine.h @@ -278,36 +278,115 @@ public: */ virtual bool BoundsCheckFd(EventHandler* eh); + /** Abstraction for BSD sockets accept(2). + * This function should emulate its namesake system call exactly. + * @param fd This version of the call takes an EventHandler instead of a bare file descriptor. + * @return This method should return exactly the same values as the system call it emulates. + */ virtual int Accept(EventHandler* fd, sockaddr *addr, socklen_t *addrlen); + /** Abstraction for BSD sockets close(2). + * This function should emulate its namesake system call exactly. + * @param fd This version of the call takes an EventHandler instead of a bare file descriptor. + * @return This method should return exactly the same values as the system call it emulates. + */ virtual int Close(EventHandler* fd); + /** Abstraction for BSD sockets close(2). + * This function should emulate its namesake system call exactly. + * This function should emulate its namesake system call exactly. + * @return This method should return exactly the same values as the system call it emulates. + */ virtual int Close(int fd); + /** Abstraction for BSD sockets send(2). + * This function should emulate its namesake system call exactly. + * @param fd This version of the call takes an EventHandler instead of a bare file descriptor. + * @return This method should return exactly the same values as the system call it emulates. + */ virtual int Send(EventHandler* fd, const void *buf, size_t len, int flags); + /** Abstraction for BSD sockets recv(2). + * This function should emulate its namesake system call exactly. + * @param fd This version of the call takes an EventHandler instead of a bare file descriptor. + * @return This method should return exactly the same values as the system call it emulates. + */ virtual int Recv(EventHandler* fd, void *buf, size_t len, int flags); + /** Abstraction for BSD sockets recvfrom(2). + * This function should emulate its namesake system call exactly. + * @param fd This version of the call takes an EventHandler instead of a bare file descriptor. + * @return This method should return exactly the same values as the system call it emulates. + */ virtual int RecvFrom(EventHandler* fd, void *buf, size_t len, int flags, sockaddr *from, socklen_t *fromlen); + /** Abstraction for BSD sockets sendto(2). + * This function should emulate its namesake system call exactly. + * @param fd This version of the call takes an EventHandler instead of a bare file descriptor. + * @return This method should return exactly the same values as the system call it emulates. + */ virtual int SendTo(EventHandler* fd, const void *buf, size_t len, int flags, const sockaddr *to, socklen_t tolen); + /** Abstraction for BSD sockets connect(2). + * This function should emulate its namesake system call exactly. + * @param fd This version of the call takes an EventHandler instead of a bare file descriptor. + * @return This method should return exactly the same values as the system call it emulates. + */ virtual int Connect(EventHandler* fd, const sockaddr *serv_addr, socklen_t addrlen); + /** Make a file descriptor blocking. + * @param fd a file descriptor to set to blocking mode + * @return 0 on success, -1 on failure, errno is set appropriately. + */ virtual int Blocking(int fd); + /** Make a file descriptor nonblocking. + * @param fd A file descriptor to set to nonblocking mode + * @return 0 on success, -1 on failure, errno is set appropriately. + */ virtual int NonBlocking(int fd); + /** Abstraction for BSD sockets shutdown(2). + * This function should emulate its namesake system call exactly. + * @param fd This version of the call takes an EventHandler instead of a bare file descriptor. + * @return This method should return exactly the same values as the system call it emulates. + */ virtual int Shutdown(EventHandler* fd, int how); + /** Abstraction for BSD sockets shutdownt(2). + * This function should emulate its namesake system call exactly. + * @return This method should return exactly the same values as the system call it emulates. + */ virtual int Shutdown(int fd, int how); + /** Abstraction for BSD sockets bind(2). + * This function should emulate its namesake system call exactly. + * @return This method should return exactly the same values as the system call it emulates. + */ virtual int Bind(int fd, const sockaddr *my_addr, socklen_t addrlen); + /** Abstraction for BSD sockets listen(2). + * This function should emulate its namesake system call exactly. + * @return This method should return exactly the same values as the system call it emulates. + */ virtual int Listen(int sockfd, int backlog); + /** Abstraction for BSD sockets getsockname(2). + * This function should emulate its namesake system call exactly. + * @param fd This version of the call takes an EventHandler instead of a bare file descriptor. + * @return This method should return exactly the same values as the system call it emulates. + */ virtual int GetSockName(EventHandler* fd, sockaddr *name, socklen_t* namelen); + /** This function is called immediately after fork(). + * Some socket engines (notably kqueue) cannot have their + * handles inherited by forked processes. This method + * allows for the socket engine to re-create its handle + * after the daemon forks as the socket engine is created + * long BEFORE the daemon forks. + * @return void, but it is acceptable for this function to bail back to + * the shell or operating system on fatal error. + */ virtual void RecoverFromFork(); }; |