mirror of
https://github.com/MariaDB/server.git
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222 lines
7.9 KiB
C
222 lines
7.9 KiB
C
/* 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; either version 2 of the License, or
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(at your option) any later version.
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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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/*
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* Vio Lite.
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* Purpose: include file for Vio that will work with C and C++
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*/
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#ifndef vio_violite_h_
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#define vio_violite_h_
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#include "my_net.h" /* needed because of struct in_addr */
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/* Simple vio interface in C; The functions are implemented in violite.c */
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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enum enum_vio_type
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{
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VIO_CLOSED, VIO_TYPE_TCPIP, VIO_TYPE_SOCKET, VIO_TYPE_NAMEDPIPE,
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VIO_TYPE_SSL, VIO_TYPE_SHARED_MEMORY
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};
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#define VIO_LOCALHOST 1 /* a localhost connection */
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#define VIO_BUFFERED_READ 2 /* use buffered read */
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#define VIO_READ_BUFFER_SIZE 16384 /* size of read buffer */
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Vio* vio_new(my_socket sd, enum enum_vio_type type, uint flags);
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#ifdef __WIN__
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Vio* vio_new_win32pipe(HANDLE hPipe);
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Vio* vio_new_win32shared_memory(NET *net,HANDLE handle_file_map,
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HANDLE handle_map,
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HANDLE event_server_wrote,
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HANDLE event_server_read,
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HANDLE event_client_wrote,
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HANDLE event_client_read,
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HANDLE event_conn_closed);
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int vio_read_pipe(Vio *vio, gptr buf, int size);
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int vio_write_pipe(Vio *vio, const gptr buf, int size);
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int vio_close_pipe(Vio * vio);
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#else
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#define HANDLE void *
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#endif /* __WIN__ */
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void vio_delete(Vio* vio);
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int vio_close(Vio* vio);
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void vio_reset(Vio* vio, enum enum_vio_type type,
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my_socket sd, HANDLE hPipe, uint flags);
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int vio_read(Vio *vio, gptr buf, int size);
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int vio_read_buff(Vio *vio, gptr buf, int size);
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int vio_write(Vio *vio, const gptr buf, int size);
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int vio_blocking(Vio *vio, my_bool onoff, my_bool *old_mode);
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my_bool vio_is_blocking(Vio *vio);
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/* setsockopt TCP_NODELAY at IPPROTO_TCP level, when possible */
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int vio_fastsend(Vio *vio);
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/* setsockopt SO_KEEPALIVE at SOL_SOCKET level, when possible */
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int vio_keepalive(Vio *vio, my_bool onoff);
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/* Whenever we should retry the last read/write operation. */
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my_bool vio_should_retry(Vio *vio);
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/* Check that operation was timed out */
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my_bool vio_was_interrupted(Vio *vio);
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/* Short text description of the socket for those, who are curious.. */
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const char* vio_description(Vio *vio);
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/* Return the type of the connection */
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enum enum_vio_type vio_type(Vio* vio);
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/* Return last error number */
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int vio_errno(Vio*vio);
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/* Get socket number */
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my_socket vio_fd(Vio*vio);
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/* Remote peer's address and name in text form */
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my_bool vio_peer_addr(Vio* vio, char *buf, uint16 *port);
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/* Remotes in_addr */
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void vio_in_addr(Vio *vio, struct in_addr *in);
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my_bool vio_poll_read(Vio *vio,uint timeout);
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void vio_timeout(Vio *vio,uint which, uint timeout);
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#ifdef HAVE_OPENSSL
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#include <openssl/opensslv.h>
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#if OPENSSL_VERSION_NUMBER < 0x0090700f
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#define DES_cblock des_cblock
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#define DES_key_schedule des_key_schedule
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#define DES_set_key_unchecked(k,ks) des_set_key_unchecked((k),*(ks))
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#define DES_ede3_cbc_encrypt(i,o,l,k1,k2,k3,iv,e) des_ede3_cbc_encrypt((i),(o),(l),*(k1),*(k2),*(k3),(iv),(e))
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#endif
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#define HEADER_DES_LOCL_H dummy_something
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#define YASSL_MYSQL_COMPATIBLE
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#include <openssl/ssl.h>
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#include <openssl/err.h>
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struct st_VioSSLAcceptorFd
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{
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SSL_CTX *ssl_context;
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SSL_METHOD *ssl_method;
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struct st_VioSSLAcceptorFd *session_id_context;
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};
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/* One copy for client */
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struct st_VioSSLConnectorFd
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{
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SSL_CTX *ssl_context;
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/* function pointers which are only once for SSL client */
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SSL_METHOD *ssl_method;
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};
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int sslaccept(struct st_VioSSLAcceptorFd*, Vio *, long timeout);
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int sslconnect(struct st_VioSSLConnectorFd*, Vio *, long timeout);
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struct st_VioSSLConnectorFd
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*new_VioSSLConnectorFd(const char *key_file, const char *cert_file,
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const char *ca_file, const char *ca_path,
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const char *cipher);
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struct st_VioSSLAcceptorFd
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*new_VioSSLAcceptorFd(const char *key_file, const char *cert_file,
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const char *ca_file,const char *ca_path,
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const char *cipher);
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Vio *new_VioSSL(struct st_VioSSLAcceptorFd *fd, Vio *sd, int state);
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#endif /* HAVE_OPENSSL */
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#ifdef HAVE_SMEM
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int vio_read_shared_memory(Vio *vio, gptr buf, int size);
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int vio_write_shared_memory(Vio *vio, const gptr buf, int size);
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int vio_close_shared_memory(Vio * vio);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#if !defined(DONT_MAP_VIO)
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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)\
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(vio)->vioblocking(vio, set_blocking_mode, old_mode)
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#define vio_is_blocking(vio) (vio)->is_blocking(vio)
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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) (vio)->peer_addr(vio, buf, prt)
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#define vio_in_addr(vio, in) (vio)->in_addr(vio, in)
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#define vio_timeout(vio, which, seconds) (vio)->timeout(vio, which, seconds)
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#endif /* !defined(DONT_MAP_VIO) */
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/* This enumerator is used in parser - should be always visible */
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enum SSL_type
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{
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SSL_TYPE_NOT_SPECIFIED= -1,
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SSL_TYPE_NONE,
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SSL_TYPE_ANY,
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SSL_TYPE_X509,
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SSL_TYPE_SPECIFIED
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};
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/* HFTODO - hide this if we don't want client in embedded server */
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/* This structure is for every connection on both sides */
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struct st_vio
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{
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my_socket sd; /* my_socket - real or imaginary */
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HANDLE hPipe;
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my_bool localhost; /* Are we from localhost? */
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int fcntl_mode; /* Buffered fcntl(sd,F_GETFL) */
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struct sockaddr_in local; /* Local internet address */
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struct sockaddr_in remote; /* Remote internet address */
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enum enum_vio_type type; /* Type of connection */
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char desc[30]; /* String description */
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char *read_buffer; /* buffer for vio_read_buff */
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char *read_pos; /* start of unfetched data in the
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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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int (*vioerrno)(Vio*);
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int (*read)(Vio*, gptr, int);
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int (*write)(Vio*, const gptr, int);
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int (*vioblocking)(Vio*, my_bool, my_bool *);
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my_bool (*is_blocking)(Vio*);
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int (*viokeepalive)(Vio*, my_bool);
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int (*fastsend)(Vio*);
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my_bool (*peer_addr)(Vio*, char *, uint16*);
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void (*in_addr)(Vio*, struct in_addr*);
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my_bool (*should_retry)(Vio*);
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my_bool (*was_interrupted)(Vio*);
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int (*vioclose)(Vio*);
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void (*timeout)(Vio*, unsigned int which, unsigned int timeout);
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void *ssl_arg;
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#ifdef HAVE_SMEM
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HANDLE handle_file_map;
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char *handle_map;
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HANDLE event_server_wrote;
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HANDLE event_server_read;
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HANDLE event_client_wrote;
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HANDLE event_client_read;
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HANDLE event_conn_closed;
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long shared_memory_remain;
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char *shared_memory_pos;
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NET *net;
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#endif /* HAVE_SMEM */
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};
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#endif /* vio_violite_h_ */
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