69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2004, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ---
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*
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* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
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* related information and legal notices. It is expected that any future
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* projects/authors will amend these files as needed.
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*
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* ---
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*
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* ioqueue.h: Stores and frees data associated with a file descriptor.
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* uses writev to write, and read to read
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* Known contributors to this file:
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*
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*/
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#ifndef _IOQUEUE_H_
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#define _IOQUEUE_H_
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#define IOQ_BUFSIZE 2048
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#define MAXIOV 16
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struct io {
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struct emp_qelem queue;
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int size;
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int nbytes;
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int offset;
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s_char *data;
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};
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struct ioqueue {
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struct io list;
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int bufsize;
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int cc;
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};
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extern struct ioqueue *ioq_create(int size);
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extern void ioq_destroy(struct ioqueue *ioq);
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extern void ioq_drain(struct ioqueue *ioq);
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extern int ioq_makeiov(struct ioqueue *ioq, struct iovec *iov, int cc);
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extern int ioq_peek(struct ioqueue *ioq, s_char *buf, int cc);
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extern int ioq_dequeue(struct ioqueue *ioq, int cc);
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extern void ioq_append(struct ioqueue *ioq, s_char *buf, int cc);
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extern int ioq_qsize(struct ioqueue *ioq);
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extern int ioq_gets(struct ioqueue *ioq, s_char *buf, int cc);
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extern int ioq_puts(struct ioqueue *ioq, s_char *buf);
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#if defined (_WIN32)
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extern int ioq_makebuf(struct ioqueue *ioq, char *pBuf, int nBufLen);
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#endif
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#endif /* _IOQUEUE_H_ */
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