54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/*
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* libdect IO handling
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*
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* Copyright (c) 2009-2010 Patrick McHardy <kaber@trash.net>
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*/
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#ifndef _LIBDECT_IO_H
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#define _LIBDECT_IO_H
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#include <sys/socket.h>
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#include <utils.h>
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enum dect_fd_state {
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DECT_FD_UNREGISTERED,
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DECT_FD_REGISTERED,
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};
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/**
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* struct dect_fd - libdect file descriptor
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*
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* @callback: callback to invoke for events
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* @fd: file descriptor numer
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* @state: file descriptor registration state (debugging)
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* @data: libdect internal data
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* @priv: libdect user private file-descriptor storage
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*/
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struct dect_fd {
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void (*callback)(struct dect_handle *,
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struct dect_fd *, uint32_t);
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int fd;
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enum dect_fd_state state;
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void *data;
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uint8_t priv[] __aligned(__alignof__(uint64_t));
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};
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extern struct dect_fd *dect_fd_alloc(const struct dect_handle *dh);
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extern void dect_fd_setup(struct dect_fd *fd,
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void (*cb)(struct dect_handle *, struct dect_fd *,
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uint32_t),
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void *data);
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extern void dect_close(const struct dect_handle *dh, struct dect_fd *dfd);
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extern struct dect_fd *dect_socket(const struct dect_handle *dh,
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int type, int protocol);
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extern struct dect_fd *dect_accept(const struct dect_handle *dh,
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const struct dect_fd *dfd,
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struct sockaddr *addr, socklen_t len);
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extern int dect_fd_register(const struct dect_handle *dh, struct dect_fd *dfd,
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uint32_t events);
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extern void dect_fd_unregister(const struct dect_handle *dh, struct dect_fd *dfd);
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#endif /* _LIBDECT_IO_H */
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