violite.h
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:3k
- /* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA */
- /*
- * Vio Lite.
- * Purpose: include file for Vio that will work with C and C++
- */
- #ifndef vio_violite_h_
- #define vio_violite_h_
- #include "my_net.h" /* needed because of struct in_addr */
- #ifdef HAVE_VIO
- #include <Vio.h> /* Full VIO interface */
- #else
- /* Simple vio interface in C; The functions are implemented in violite.c */
- #ifdef __cplusplus
- extern "C" {
- #endif /* __cplusplus */
- #ifndef Vio_defined
- #define Vio_defined
- struct st_vio; /* Only C */
- typedef struct st_vio Vio;
- #endif
- enum enum_vio_type { VIO_CLOSED, VIO_TYPE_TCPIP, VIO_TYPE_SOCKET,
- VIO_TYPE_NAMEDPIPE, VIO_TYPE_SSL};
- Vio* vio_new(my_socket sd,
- enum enum_vio_type type,
- my_bool localhost);
- #ifdef __WIN__
- Vio* vio_new_win32pipe(HANDLE hPipe);
- #endif
- void vio_delete(Vio* vio);
- /*
- * vio_read and vio_write should have the same semantics
- * as read(2) and write(2).
- */
- int vio_read( Vio* vio,
- gptr buf, int size);
- int vio_write( Vio* vio,
- const gptr buf,
- int size);
- /*
- * Whenever the socket is set to blocking mode or not.
- */
- int vio_blocking( Vio* vio,
- my_bool onoff);
- my_bool vio_is_blocking( Vio* vio);
- /*
- * setsockopt TCP_NODELAY at IPPROTO_TCP level, when possible.
- */
- int vio_fastsend( Vio* vio);
- /*
- * setsockopt SO_KEEPALIVE at SOL_SOCKET level, when possible.
- */
- int vio_keepalive( Vio* vio,
- my_bool onoff);
- /*
- * Whenever we should retry the last read/write operation.
- */
- my_bool vio_should_retry( Vio* vio);
- /*
- * When the workday is over...
- */
- int vio_close( Vio* vio);
- /*
- * Short text description of the socket for those, who are curious..
- */
- const char* vio_description( Vio* vio);
- /* Return the type of the connection */
- enum enum_vio_type vio_type(Vio* vio);
- /* Return last error number */
- int vio_errno(Vio *vio);
- /* Get socket number */
- my_socket vio_fd(Vio *vio);
- /*
- * Remote peer's address and name in text form.
- */
- my_bool vio_peer_addr(Vio * vio, char *buf);
- /* Remotes in_addr */
- void vio_in_addr(Vio *vio, struct in_addr *in);
- /* Return 1 if there is data to be read */
- my_bool vio_poll_read(Vio *vio,uint timeout);
- #ifdef __cplusplus
- }
- #endif
- #endif /* HAVE_VIO */
- #endif /* vio_violite_h_ */