~drizzle-trunk/drizzle/development

/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2008 Mark Atwood

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; version 2 of the License.

 *

 *  This program 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 General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include <drizzled/server_includes.h>

#include <drizzled/plugin_errmsg.h>

#include <drizzled/gettext.h>

#include <stdio.h>  /* for vsnprintf */

#include <stdarg.h>  /* for va_list */

#include <unistd.h>  /* for write(2) */

/* todo, make this dynamic as needed */

#define MAX_MSG_LEN 8192

bool errmsg_stderr_func (Session *session __attribute__((unused)),

			 int priority __attribute__((unused)),

			 const char *format, va_list ap)

{

  char msgbuf[MAX_MSG_LEN];

  int prv, wrv;

  prv= vsnprintf(msgbuf, MAX_MSG_LEN, format, ap);

  if (prv < 0) return true;

  /* a single write has a OS level thread lock

     so there is no need to have mutexes guarding this write,

  */

  wrv= write(2, msgbuf, prv);

  if ((wrv < 0) || (wrv != prv)) return true;

  return false;

}

static int errmsg_stderr_plugin_init(void *p)

{

  errmsg_t *l= (errmsg_t *) p;

  l->errmsg_func= errmsg_stderr_func;

  return 0;

}

static int errmsg_stderr_plugin_deinit(void *p)

{

  errmsg_t *l= (errmsg_t *) p;

  l->errmsg_func= NULL;

  return 0;

}

mysql_declare_plugin(errmsg_stderr)

{

  DRIZZLE_ERRMSG_PLUGIN,

  "errmsg_stderr",

  "0.1",

  "Mark Atwood <mark@fallenpegasus.com>",

  N_("Error Messages to stderr"),

  PLUGIN_LICENSE_GPL,

  errmsg_stderr_plugin_init,

  errmsg_stderr_plugin_deinit,

  NULL, /* status variables */

  NULL, /* system variables */

  NULL

}

mysql_declare_plugin_end;