src/ioset.h

   1 /* ioset.h - srvx event loop
   2  * Copyright 2002-2003 srvx Development Team
   3  *
   4  * This file is part of srvx.
   5  *
   6  * srvx is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with srvx; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
  19  */
  20
  21 #if !defined(IOSET_H)
  22 #define IOSET_H
  23
  24 #include "common.h"
  25
  26 /* Forward declare, since functions take these as arguments. */
  27 struct sockaddr;
  28
  29 struct ioq {
  30     char *buf;
  31     unsigned int size, get, put;
  32 };
  33
  34 struct io_fd {
  35     int fd;
  36     void *data;
  37     enum { IO_CLOSED, IO_LISTENING, IO_CONNECTING, IO_CONNECTED } state;
  38     unsigned int line_reads : 1;
  39     int line_len;
  40     struct ioq send;
  41     struct ioq recv;
  42     void (*accept_cb)(struct io_fd *listener, struct io_fd *new_connect);
  43     void (*connect_cb)(struct io_fd *fd, int error);
  44     void (*readable_cb)(struct io_fd *fd);
  45     void (*destroy_cb)(struct io_fd *fd);
  46 };
  47 extern int do_write_dbs;
  48 extern int do_reopen;
  49
  50 void ioset_init(void);
  51 struct io_fd *ioset_add(int fd);
  52 struct io_fd *ioset_listen(struct sockaddr *local, unsigned int sa_size, void *data, void (*accept_cb)(struct io_fd *listener, struct io_fd *new_connect));
  53 struct io_fd *ioset_connect(struct sockaddr *local, unsigned int sa_size, const char *hostname, unsigned int port, int blocking, void *data, void (*connect_cb)(struct io_fd *fd, int error));
  54 void ioset_update(struct io_fd *fd);
  55 void ioset_run(void);
  56 void ioset_write(struct io_fd *fd, const char *buf, unsigned int nbw);
  57 int ioset_printf(struct io_fd *fd, const char *fmt, ...) PRINTF_LIKE(2, 3);
  58 int ioset_line_read(struct io_fd *fd, char *buf, int maxlen);
  59 void ioset_close(struct io_fd *fd, int os_close);
  60 void ioset_cleanup(void);
  61 void ioset_set_time(unsigned long new_now);
  62
  63 #endif /* !defined(IOSET_H) */