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Commit e8fd84c4 authored by tonu@x3.internalnet's avatar tonu@x3.internalnet
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.del-violite.c~afa871b4aab14371 Delete: client/violite.c 

.del-violite.c~d7b85be615595ace	Delete: sql/violite.c
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/* 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 */
#include <global.h>
#ifndef HAVE_VIO /* is Vio suppored by the Vio lib ? */
#include <errno.h>
#include <assert.h>
#include <violite.h>
#include <my_sys.h>
#include <my_net.h>
#include <m_string.h>
#if defined(__EMX__)
#include <sys/ioctl.h>
#define ioctlsocket(A,B,C) ioctl((A),(B),(void *)(C),sizeof(*(C)))
#undef HAVE_FCNTL
#endif /* defined(__EMX__) */
#if defined(MSDOS) || defined(__WIN__)
#ifdef __WIN__
#undef errno
#undef EINTR
#undef EAGAIN
#define errno WSAGetLastError()
#define EINTR WSAEINTR
#define EAGAIN WSAEINPROGRESS
#endif /* __WIN__ */
#define O_NONBLOCK 1 /* For emulation of fcntl() */
#endif
#ifndef EWOULDBLOCK
#define EWOULDBLOCK EAGAIN
#endif
#ifndef __WIN__
#define HANDLE void *
#endif
struct st_vio
{
my_socket sd; /* my_socket - real or imaginary */
HANDLE hPipe;
my_bool localhost; /* Are we from localhost? */
int fcntl_mode; /* Buffered fcntl(sd,F_GETFL) */
my_bool fcntl_set; /* Have we done any fcntl yet?*/
struct sockaddr_in local; /* Local internet address */
struct sockaddr_in remote; /* Remote internet address */
enum enum_vio_type type; /* Type of connection */
char desc[30]; /* String description */
};
typedef void *vio_ptr;
typedef char *vio_cstring;
/*
* Helper to fill most of the Vio* with defaults.
*/
static void vio_reset(Vio* vio, enum enum_vio_type type,
my_socket sd, HANDLE hPipe,
my_bool localhost)
{
bzero((char*) vio, sizeof(*vio));
vio->type = type;
vio->sd = sd;
vio->hPipe = hPipe;
vio->localhost= localhost;
}
Vio *vio_new(my_socket sd, enum enum_vio_type type, my_bool localhost)
{
Vio *vio;
DBUG_ENTER("vio_new");
DBUG_PRINT("enter", ("sd=%d", sd));
if ((vio = (Vio*) my_malloc(sizeof(*vio),MYF(MY_WME))))
{
vio_reset(vio, type, sd, 0, localhost);
sprintf(vio->desc, "socket (%d)", vio->sd);
}
DBUG_RETURN(vio);
}
#ifdef __WIN__
Vio *vio_new_win32pipe(HANDLE hPipe)
{
Vio *vio;
DBUG_ENTER("vio_new_handle");
if ((vio = (Vio*) my_malloc(sizeof(Vio),MYF(MY_WME))))
{
vio_reset(vio, VIO_TYPE_NAMEDPIPE, 0, hPipe, TRUE);
strmov(vio->desc, "named pipe");
}
DBUG_RETURN(vio);
}
#endif
void vio_delete(Vio * vio)
{
/* It must be safe to delete null pointers. */
/* This matches the semantics of C++'s delete operator. */
if (vio)
{
vio_close(vio);
my_free((gptr) vio,MYF(0));
}
}
int vio_errno(Vio *vio)
{
return errno; /* On Win32 this mapped to WSAGetLastError() */
}
int vio_read(Vio * vio, gptr buf, int size)
{
int r;
DBUG_ENTER("vio_read");
DBUG_PRINT("enter", ("sd=%d, buf=%p, size=%d", vio->sd, buf, size));
assert(vio->sd >= 0);
#ifdef __WIN__
if (vio->type == VIO_TYPE_NAMEDPIPE)
{
DWORD length;
if (!ReadFile(vio->hPipe, buf, size, &length, NULL))
DBUG_RETURN(-1);
DBUG_RETURN(length);
}
r = recv(vio->sd, buf, size,0);
#else
errno=0; /* For linux */
r = read(vio->sd, buf, size);
#endif /* __WIN__ */
#ifndef DBUG_OFF
if (r < 0)
{
DBUG_PRINT("error", ("Got error %d during read",errno));
}
#endif /* DBUG_OFF */
DBUG_PRINT("exit", ("%d", r));
DBUG_RETURN(r);
}
int vio_write(Vio * vio, const gptr buf, int size)
{
int r;
DBUG_ENTER("vio_write");
DBUG_PRINT("enter", ("sd=%d, buf=%p, size=%d", vio->sd, buf, size));
assert(vio->sd >= 0);
#ifdef __WIN__
if ( vio->type == VIO_TYPE_NAMEDPIPE)
{
DWORD length;
if (!WriteFile(vio->hPipe, (char*) buf, size, &length, NULL))
DBUG_RETURN(-1);
DBUG_RETURN(length);
}
r = send(vio->sd, buf, size,0);
#else
r = write(vio->sd, buf, size);
#endif /* __WIN__ */
#ifndef DBUG_OFF
if (r < 0)
{
DBUG_PRINT("error", ("Got error on write: %d",errno));
}
#endif /* DBUG_OFF */
DBUG_PRINT("exit", ("%d", r));
DBUG_RETURN(r);
}
int vio_blocking(Vio * vio, my_bool set_blocking_mode)
{
int r=0;
DBUG_ENTER("vio_blocking");
DBUG_PRINT("enter", ("set_blocking_mode: %d", (int) set_blocking_mode));
#if !defined(___WIN__) && !defined(__EMX__)
#if !defined(NO_FCNTL_NONBLOCK)
if (vio->sd >= 0)
{
int old_fcntl=vio->fcntl_mode;
if (!vio->fcntl_set)
{
vio->fcntl_set = TRUE;
old_fcntl=vio->fcntl_mode = fcntl(vio->sd, F_GETFL);
}
if (set_blocking_mode)
vio->fcntl_mode &= ~O_NONBLOCK; /*clear bit */
else
vio->fcntl_mode |= O_NONBLOCK; /*set bit */
if (old_fcntl != vio->fcntl_mode)
r = fcntl(vio->sd, F_SETFL, vio->fcntl_mode);
}
#endif /* !defined(NO_FCNTL_NONBLOCK) */
#else /* !defined(__WIN__) && !defined(__EMX__) */
#ifndef __EMX__
if (vio->type != VIO_TYPE_NAMEDPIPE)
#endif
{
ulong arg;
int old_fcntl=vio->fcntl_mode;
if (!vio->fcntl_set)
{
vio->fcntl_set = TRUE;
old_fnctl=vio->fcntl_mode=0;
}
if (set_blocking_mode)
{
arg = 0;
vio->fcntl_mode &= ~O_NONBLOCK; /*clear bit */
}
else
{
arg = 1;
vio->fcntl_mode |= O_NONBLOCK; /*set bit */
}
if (old_fcntl != vio->fcntl_mode)
r = ioctlsocket(vio->sd,FIONBIO,(void*) &arg, sizeof(arg));
}
#endif /* !defined(__WIN__) && !defined(__EMX__) */
DBUG_RETURN(r);
}
my_bool
vio_is_blocking(Vio * vio)
{
my_bool r;
DBUG_ENTER("vio_is_blocking");
r = !(vio->fcntl_mode & O_NONBLOCK);
DBUG_PRINT("exit", ("%d", (int) r));
DBUG_RETURN(r);
}
int vio_fastsend(Vio * vio, my_bool onoff)
{
int r=0;
DBUG_ENTER("vio_fastsend");
DBUG_PRINT("enter", ("onoff:%d", (int) onoff));
assert(vio->sd >= 0);
#ifdef IPTOS_THROUGHPUT
{
#ifndef __EMX__
int tos = IPTOS_THROUGHPUT;
if (!setsockopt(vio->sd, IPPROTO_IP, IP_TOS, (void *) &tos, sizeof(tos)))
#endif /* !__EMX__ */
{
int nodelay = 1;
if (setsockopt(vio->sd, IPPROTO_TCP, TCP_NODELAY, (void *) &nodelay,
sizeof(nodelay))) {
DBUG_PRINT("warning",
("Couldn't set socket option for fast send"));
r= -1;
}
}
}
#endif /* IPTOS_THROUGHPUT */
DBUG_PRINT("exit", ("%d", r));
DBUG_RETURN(r);
}
int vio_keepalive(Vio* vio, my_bool set_keep_alive)
{
int r=0;
uint opt = 0;
DBUG_ENTER("vio_keepalive");
DBUG_PRINT("enter", ("sd=%d, set_keep_alive=%d", vio->sd, (int)
set_keep_alive));
if (vio->type != VIO_TYPE_NAMEDPIPE)
{
assert(vio->sd >= 0);
if (set_keep_alive)
opt = 1;
r = setsockopt(vio->sd, SOL_SOCKET, SO_KEEPALIVE, (char *) &opt,
sizeof(opt));
}
DBUG_RETURN(r);
}
my_bool
vio_should_retry(Vio * vio)
{
int en = errno;
return en == EAGAIN || en == EINTR || en == EWOULDBLOCK;
}
int vio_close(Vio * vio)
{
int r;
DBUG_ENTER("vio_close");
assert(vio->sd >= 0); /* Vill also work on PIPE:s */
#ifdef __WIN__
if (vio->type == VIO_TYPE_NAMEDPIPE)
{
#if defined(__NT__) && defined(MYSQL_SERVER)
CancelIO(vio->hPipe);
DisconnectNamedPipe(vio->hPipe);
#endif
r=CloseHandle(vio->hPipe);
}
else
#endif /* __WIN__ */
{
r=0;
if (shutdown(vio->sd,2))
r= -1;
if (closesocket(vio->sd))
r= -1;
}
if (r)
{
DBUG_PRINT("error", ("close() failed, error: %d",errno));
/* FIXME: error handling (not critical for MySQL) */
}
vio_reset(vio,VIO_CLOSED,-1,0,TRUE); /* For debugging */
DBUG_RETURN(r);
}
const char *vio_description(Vio * vio)
{
return vio->desc;
}
enum enum_vio_type vio_type(Vio* vio)
{
return vio->type;
}
my_socket vio_fd(Vio* vio)
{
return vio->sd;
}
my_bool vio_peer_addr(Vio * vio, char *buf)
{
DBUG_ENTER("vio_peer_addr");
DBUG_PRINT("enter", ("sd=%d", vio->sd));
if (vio->localhost)
{
strmov(buf,"127.0.0.1");
}
else
{
size_socket addrLen = sizeof(struct sockaddr);
if (getpeername(vio->sd, (struct sockaddr *) (& (vio->remote)),
&addrLen) != 0)
{
DBUG_PRINT("exit", ("getpeername, error: %d", errno));
DBUG_RETURN(1);
}
my_inet_ntoa(vio->remote.sin_addr,buf);
}
DBUG_PRINT("exit", ("addr=%s", buf));
DBUG_RETURN(0);
}
void vio_in_addr(Vio *vio, struct in_addr *in)
{
DBUG_ENTER("vio_in_addr");
if (vio->localhost)
bzero((char*) in, sizeof(*in)); /* This should never be executed */
else
*in=vio->remote.sin_addr;
DBUG_VOID_RETURN;
}
#endif /* HAVE_VIO */
sql/violite.c deleted 100644 → 0
View file @ d536c0d7
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