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/*
* This file is part of the SSH Library
*
* Copyright (c) 2009 by Aris Adamantiadis
*
* The SSH Library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* The SSH Library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the SSH Library; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#ifndef POLL_H_
#define POLL_H_
/* poll.c */
int ssh_poll(ssh_pollfd_t *fds, nfds_t nfds, int timeout);
typedef struct ssh_poll_ctx SSH_POLL_CTX;
typedef struct ssh_poll SSH_POLL;
/**
* @brief SSH poll callback.
*
* @param p Poll object this callback belongs to.
* @param fd The raw socket.
* @param revents The current poll events on the socket.
* @param userdata Userdata to be passed to the callback function.
*
* @return 0 on success, < 0 if you removed the poll object from
* it's poll context.
*/
typedef int (*ssh_poll_callback)(SSH_POLL *p, int fd, int revents,
void *userdata);
SSH_POLL *ssh_poll_new(socket_t fd, short events, ssh_poll_callback cb,
void *userdata);
void ssh_poll_free(SSH_POLL *p);
SSH_POLL_CTX *ssh_poll_get_ctx(SSH_POLL *p);
short ssh_poll_get_events(SSH_POLL *p);
void ssh_poll_set_events(SSH_POLL *p, short events);
void ssh_poll_add_events(SSH_POLL *p, short events);
void ssh_poll_remove_events(SSH_POLL *p, short events);
socket_t ssh_poll_get_fd(SSH_POLL *p);
void ssh_poll_set_callback(SSH_POLL *p, ssh_poll_callback cb, void *userdata);
SSH_POLL_CTX *ssh_poll_ctx_new(size_t chunk_size);
void ssh_poll_ctx_free(SSH_POLL_CTX *ctx);
int ssh_poll_ctx_add(SSH_POLL_CTX *ctx, SSH_POLL *p);
void ssh_poll_ctx_remove(SSH_POLL_CTX *ctx, SSH_POLL *p);
int ssh_poll_ctx(SSH_POLL_CTX *ctx, int timeout);
#endif /* POLL_H_ */
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