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/* Copyright (C) 2000 MySQL AB
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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; version 2 of the License.
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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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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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* Virtual I/O layer, only used with TCP/IP sockets at the moment.
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#ifndef PLUGIN_MYSQL_PROTOCOL_VIO_H
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#define PLUGIN_MYSQL_PROTOCOL_VIO_H
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#include <sys/socket.h>
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typedef struct st_vio Vio;
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int fcntl_mode; /* Buffered fcntl(sd,F_GETFL) */
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struct sockaddr_storage local; /* Local internet address */
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struct sockaddr_storage remote; /* Remote internet address */
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int addrLen; /* Length of remote address */
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char *read_pos; /* start of unfetched data in the read buffer */
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char *read_end; /* end of unfetched data */
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/* function pointers. They are similar for socket/SSL/whatever */
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void (*viodelete)(Vio*);
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int32_t (*vioerrno)(Vio*);
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size_t (*read)(Vio*, unsigned char *, size_t);
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size_t (*write)(Vio*, const unsigned char *, size_t);
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int32_t (*vioblocking)(Vio*, bool, bool *);
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int32_t (*viokeepalive)(Vio*, bool);
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int32_t (*fastsend)(Vio*);
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bool (*peer_addr)(Vio*, char *, uint16_t *, size_t);
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void (*in_addr)(Vio*, struct sockaddr_storage*);
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bool (*should_retry)(Vio*);
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bool (*was_interrupted)(Vio*);
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int32_t (*vioclose)(Vio*);
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void (*timeout)(Vio*, bool is_sndtimeo, int32_t timeout);
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Vio* mysql_protocol_vio_new(int sd);
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#define vio_fd(vio) (vio)->sd
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#define vio_delete(vio) (vio)->viodelete(vio)
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#define vio_errno(vio) (vio)->vioerrno(vio)
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#define vio_read(vio, buf, size) ((vio)->read)(vio,buf,size)
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#define vio_write(vio, buf, size) ((vio)->write)(vio, buf, size)
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#define vio_blocking(vio, set_blocking_mode, old_mode) (vio)->vioblocking(vio, set_blocking_mode, old_mode)
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#define vio_fastsend(vio) (vio)->fastsend(vio)
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#define vio_keepalive(vio, set_keep_alive) (vio)->viokeepalive(vio, set_keep_alive)
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#define vio_should_retry(vio) (vio)->should_retry(vio)
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#define vio_was_interrupted(vio) (vio)->was_interrupted(vio)
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#define vio_close(vio) ((vio)->vioclose)(vio)
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#define vio_peer_addr(vio, buf, prt, buflen) (vio)->peer_addr(vio, buf, prt, buflen)
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#define vio_timeout(vio, which, seconds) (vio)->timeout(vio, which, seconds)
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#endif /* PLUGIN_MYSQL_PROTOCOL_VIO_H */