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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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* Copyright (C) 2008 Mark Atwood
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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; version 2 of the License.
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#include <drizzled/server_includes.h>
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#include <drizzled/logging.h>
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int logging_initializer(st_plugin_int *plugin)
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fprintf(stderr, "MRA %s plugin:%s dl:%s\n",
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__func__, plugin->name.str, plugin->plugin_dl->dl.str);
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p= (logging_t *) malloc(sizeof(logging_t));
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if (p == NULL) return 1;
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memset(p, 0, sizeof(logging_t));
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plugin->data= (void *)p;
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if (plugin->plugin->init)
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if (plugin->plugin->init((void *)p))
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sql_print_error("Logging plugin '%s' init function returned error.",
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int logging_finalizer(st_plugin_int *plugin)
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logging_t *p = (logging_t *) plugin->data;
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fprintf(stderr, "MRA %s plugin:%s dl:%s\n",
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__func__, plugin->name.str, plugin->plugin_dl->dl.str);
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if (plugin->plugin->deinit)
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if (plugin->plugin->deinit((void *)p))
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sql_print_error("Logging plugin '%s' deinit function returned error.",
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static bool logging_pre_iterate (THD *thd, plugin_ref plugin,
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void *stuff __attribute__ ((__unused__)))
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logging_t *l= plugin_data(plugin, logging_t *);
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if (l && l->logging_pre)
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if (l->logging_pre(thd))
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void logging_pre_do (THD *thd)
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if (plugin_foreach(thd, logging_pre_iterate, DRIZZLE_LOGGER_PLUGIN, NULL))
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sql_print_error("Logging plugin pre had an error.");
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static bool logging_post_iterate (THD *thd, plugin_ref plugin,
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void *stuff __attribute__ ((__unused__)))
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logging_t *l= plugin_data(plugin, logging_t *);
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if (l && l->logging_post)
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if (l->logging_post(thd))
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void logging_post_do (THD *thd)
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if (plugin_foreach(thd, logging_post_iterate, DRIZZLE_LOGGER_PLUGIN, NULL))
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sql_print_error("Logging plugin post had an error.");
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#include <drizzled/gettext.h>
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#include "drizzled/plugin_registry.h"
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static vector<Logging_handler *> all_loggers;
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void add_logger(Logging_handler *handler)
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all_loggers.push_back(handler);
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void remove_logger(Logging_handler *handler)
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all_loggers.erase(find(all_loggers.begin(), all_loggers.end(), handler));
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class LoggingPreIterate : public unary_function<Logging_handler *, bool>
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LoggingPreIterate(Session *session_arg) :
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unary_function<Logging_handler *, bool>(),
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session(session_arg) {}
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inline result_type operator()(argument_type handler)
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if (handler->pre(session))
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/* TRANSLATORS: The leading word "logging" is the name
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of the plugin api, and so should not be translated. */
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errmsg_printf(ERRMSG_LVL_ERROR,
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_("logging '%s' pre() failed"),
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handler->getName().c_str());
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class LoggingPostIterate : public unary_function<Logging_handler *, bool>
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LoggingPostIterate(Session *session_arg) :
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unary_function<Logging_handler *, bool>(),
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session(session_arg) {}
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/* This gets called once for each loaded logging plugin */
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inline result_type operator()(argument_type handler)
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if (handler->post(session))
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/* TRANSLATORS: The leading word "logging" is the name
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of the plugin api, and so should not be translated. */
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errmsg_printf(ERRMSG_LVL_ERROR,
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_("logging '%s' post() failed"),
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handler->getName().c_str());
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/* This is the logging_pre_do entry point.
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This gets called by the rest of the Drizzle server code */
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bool logging_pre_do (Session *session)
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/* Use find_if instead of foreach so that we can collect return codes */
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vector<Logging_handler *>::iterator iter=
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find_if(all_loggers.begin(), all_loggers.end(),
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LoggingPreIterate(session));
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/* If iter is == end() here, that means that all of the plugins returned
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* false, which in this case means they all succeeded. Since we want to
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* return false on success, we return the value of the two being !=
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return iter != all_loggers.end();
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/* This is the logging_post_do entry point.
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This gets called by the rest of the Drizzle server code */
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bool logging_post_do (Session *session)
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/* Use find_if instead of foreach so that we can collect return codes */
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vector<Logging_handler *>::iterator iter=
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find_if(all_loggers.begin(), all_loggers.end(),
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LoggingPreIterate(session));
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/* If iter is == end() here, that means that all of the plugins returned
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* false, which in this case means they all succeeded. Since we want to
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* return false on success, we return the value of the two being !=
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return iter != all_loggers.end();