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/* Copyright Abandoned 2000 Monty Program KB
This file is public domain and comes with NO WARRANTY of any kind */
/*
** Virtual I/O library
** Written by Andrei Errapart <andreie@no.spam.ee>
*/
#include "vio-global.h"
#ifdef __GNUC__
#pragma implementation // gcc: Class implementation
#endif
#include <assert.h>
/*
* Probably no need to clean this up
*/
#ifdef _WIN32
#include <winsock.h>
#endif
#include <sys/types.h>
#if !defined(__WIN32__) && !defined(MSDOS)
#include <sys/socket.h>
#endif
#if !defined(MSDOS) && !defined(__WIN32__) && !defined(HAVE_BROKEN_NETINET_INCLUDES)
#include <netinet/in_systm.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#if !defined(alpha_linux_port)
#include <netinet/tcp.h>
#endif
#if defined(__EMX__)
#include <sys/ioctl.h>
#define ioctlsocket(A,B,C) ioctl((A),(B),(void *)(C),sizeof(*(C)))
#undef HAVE_FCNTL
#endif
#endif
#if defined(MSDOS) || defined(__WIN32__)
#ifdef __WIN32__
#undef errno
#undef EINTR
#undef EAGAIN
#define errno WSAGetLastError()
#define EINTR WSAEINTR
#define EAGAIN WSAEINPROGRESS
#endif
#endif
#ifndef EWOULDBLOCK
#define EWOULDBLOCK EAGAIN
#endif
#ifdef __cplusplus
extern "C" { // Because of SCO 3.2V4.2
#endif
#ifndef __WIN32__
#include <sys/resource.h>
#ifdef HAVE_SYS_UN_H
#include <sys/un.h>
#endif
#include <netdb.h>
#include <sys/utsname.h>
#endif // __WIN32__
#ifdef __cplusplus
}
#endif
VIO_NS_BEGIN
#define this_ssl_cip my_static_cast(SSL_CIPHER*)(this->ssl_cip_)
VioSocket::VioSocket(vio_socket sd, enum_vio_type type, bool localhost)
:sd_(sd), localhost_(localhost), fcntl_(0),
fcntl_set_(FALSE), cipher_description_(0)
{
DBUG_ENTER("VioSocket::VioSocket");
DBUG_PRINT("enter", ("sd=%d", sd));
if (type == VIO_TYPE_SOCKET)
sprintf(desc_,"Socket (%d)",sd_);
else
sprintf(desc_,"TCP/IP (%d)",sd_);
DBUG_VOID_RETURN;
}
VioSocket::~VioSocket()
{
DBUG_ENTER("VioSocket::~VioSocket");
DBUG_PRINT("enter", ("sd_=%d", sd_));
if (sd_>=0)
close();
DBUG_VOID_RETURN;
}
bool
VioSocket::is_open() const
{
return sd_>=0;
}
int
VioSocket::read(vio_ptr buf, int size)
{
int r;
DBUG_ENTER("VioSocket::read");
DBUG_PRINT("enter", ("sd_=%d, buf=%p, size=%d", sd_, buf, size));
assert(sd_>=0);
#if defined(MSDOS) || defined(__WIN32__)
r = ::recv(sd_, buf, size,0);
#else
r = ::read(sd_, buf, size);
#endif
#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
VioSocket::write(vio_ptr buf, int size)
{
int r;
DBUG_ENTER("VioSocket::write");
DBUG_PRINT("enter", ("sd_=%d, buf=%p, size=%d", sd_, buf, size));
assert(sd_>=0);
#if defined(__WIN32__)
r = ::send(sd_, buf, size,0);
#else
r = ::write(sd_, buf, size);
#endif /* __WIN32__ */
#ifndef DBUG_OFF
if (r < 0)
{
DBUG_PRINT("error", ("Got error %d on write",errno));
}
#endif /* DBUG_OFF */
DBUG_RETURN(r);
}
int
VioSocket::blocking(bool set_blocking_mode)
{
int r= 0;
DBUG_ENTER("VioSocket::blocking");
DBUG_PRINT("enter", ("set_blocking_mode: %d", (int) set_blocking_mode));
#if !defined(___WIN32__) && !defined(__EMX__)
#if !defined(NO_FCNTL_NONBLOCK)
assert(sd_>=0);
int old_fcntl=fcntl_;
if (!fcntl_set_)
{
fcntl_set_ = true;
old_fcntl= fcntl_ = fcntl(F_GETFL);
}
if (set_blocking_mode)
fcntl_&=~O_NONBLOCK; //clear bit
else
fcntl_|=O_NONBLOCK; //set bit
if (old_fcntl != fcntl_)
r = ::fcntl(sd_, F_SETFL, fcntl_);
#endif /* !defined(NO_FCNTL_NONBLOCK) */
#else /* !defined(__WIN32__) && !defined(__EMX__) */
{
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;
fcntl_&=~ O_NONBLOCK; //clear bit
}
else
{
arg = 1;
fcntl_|= O_NONBLOCK; //set bit
}
if (old_fcntl != fcntl_)
r = ioctlsocket(sd_,FIONBIO,(void*)&arg,sizeof(arg));
}
#endif
DBUG_RETURN(r);
}
bool
VioSocket::blocking() const
{
DBUG_ENTER("VioSocket::blocking");
bool r = !(fcntl_ & O_NONBLOCK);
DBUG_PRINT("exit", ("%d", (int)r));
DBUG_RETURN(r);
}
int
VioSocket::fastsend(bool onoff)
{
int r=0;
DBUG_ENTER("VioSocket::fastsend");
DBUG_PRINT("enter", ("onoff:%d", (int)onoff));
assert(sd_>=0);
#ifdef IPTOS_THROUGHPUT
#ifndef __EMX__
int tos = IPTOS_THROUGHPUT;
if (!setsockopt(sd_, IPPROTO_IP, IP_TOS, (void*) &tos, sizeof(tos)))
#endif /* !__EMX__ */
{
int nodelay = 1;
if (setsockopt(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(0);
}
int
VioSocket::keepalive(bool set_keep_alive)
{
DBUG_ENTER("VioSocket::keepalive");
DBUG_PRINT("enter", ("sd_=%d, set_keep_alive=%d", sd_,
(int) set_keep_alive));
assert(sd_>=0);
uint opt= set_keep_alive ? 1 : 0;
DBUG_RETURN(setsockopt(sd_, SOL_SOCKET, SO_KEEPALIVE, (char*) &opt,
sizeof(opt)));
}
bool
VioSocket::should_retry() const
{
int en = errno;
return en == EAGAIN || en == EINTR || en == EWOULDBLOCK;
}
int
VioSocket::close()
{
DBUG_ENTER("VioSocket::close");
assert(sd_>=0);
int r=0;
if (::shutdown(sd_,2))
r= -1;
if (::closesocket(sd_))
r= -1;
if (r)
{
DBUG_PRINT("error", ("close() failed, error: %d",errno));
/* FIXME: error handling (not critical for MySQL) */
}
sd_ = -1;
DBUG_RETURN(r);
}
int
VioSocket::shutdown(int how)
{
DBUG_ENTER("VioSocket::shutdown");
DBUG_PRINT("enter", ("how=%d", how));
assert(sd_>=0);
int r = ::shutdown(sd_, how);
DBUG_PRINT("exit", ("%d", r));
DBUG_RETURN(r);
}
const char*
VioSocket::description() const
{
return desc_;
}
bool
VioSocket::peer_addr(char *buf) const
{
DBUG_ENTER("VioSocket::peer_addr");
DBUG_PRINT("enter", ("sd_=%d", sd_));
if (localhost_)
{
strmov(buf,"127.0.0.1");
}
else
{
size_socket addrLen= sizeof(struct sockaddr);
if (getpeername(sd_, my_reinterpret_cast(struct sockaddr *) (&remote_),
&addrLen) != 0)
{
DBUG_PRINT("exit", ("getpeername, error: %d", errno));
DBUG_RETURN(1);
}
my_inet_ntoa(remote_.sin_addr,buf);
}
DBUG_PRINT("exit", ("addr=%s", buf));
DBUG_RETURN(0);
}
const char*
VioSocket::cipher_description() const
{
DBUG_ENTER("VioSocket::cipher_description");
char *r = cipher_description_ ? cipher_description_:"";
DBUG_PRINT("exit", ("name: %s", r));
DBUG_RETURN(r);
}
VIO_NS_END
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