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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#include "drizzled/plugin/scheduler.h"
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#include "drizzled/gettext.h"
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#include "drizzled/errmsg_print.h"
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extern size_t my_thread_stack_size;
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std::vector<plugin::Scheduler *> all_schedulers;
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static plugin::Scheduler *scheduler= NULL;
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class FindSchedulerByName : public std::unary_function<plugin::Scheduler *, bool>
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const std::string *name;
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FindSchedulerByName(const std::string *name_arg)
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result_type operator() (argument_type sched)
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return (bool)((name->compare(sched->getName()) == 0));
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bool plugin::Scheduler::addPlugin(plugin::Scheduler *sched)
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std::vector<plugin::Scheduler *>::iterator iter=
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std::find_if(all_schedulers.begin(), all_schedulers.end(),
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FindSchedulerByName(&sched->getName()));
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if (iter != all_schedulers.end())
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errmsg_printf(error::ERROR,
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_("Attempted to register a scheduler %s, but a scheduler "
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"has already been registered with that name.\n"),
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sched->getName().c_str());
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all_schedulers.push_back(sched);
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void plugin::Scheduler::removePlugin(plugin::Scheduler *sched)
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all_schedulers.erase(std::find(all_schedulers.begin(),
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bool plugin::Scheduler::setPlugin(const std::string& name)
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std::vector<plugin::Scheduler *>::iterator iter=
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std::find_if(all_schedulers.begin(), all_schedulers.end(),
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FindSchedulerByName(&name));
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if (iter != all_schedulers.end())
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if (scheduler != NULL)
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scheduler->deactivate();
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scheduler->activate();
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errmsg_printf(error::WARN,
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_("Attempted to configure %s as the scheduler, which did "
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"not exist.\n"), name.c_str());
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plugin::Scheduler *plugin::Scheduler::getScheduler()
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} /* namespace drizzled */
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#include <drizzled/server_includes.h>
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#include <drizzled/scheduling.h>
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#include <drizzled/gettext.h>
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int scheduling_initializer(st_plugin_int *plugin)
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p= (scheduling_t *) malloc(sizeof(scheduling_t));
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if (p == NULL) return 1;
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memset(p, 0, sizeof(scheduling_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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/* TRANSLATORS: The leading word "scheduling" is the name
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of the plugin api, and so should not be translated. */
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sql_print_error(_("scheduling plugin '%s' init() failed"),
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int scheduling_finalizer(st_plugin_int *plugin)
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scheduling_t *p= (scheduling_t *) plugin->data;
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if (plugin->plugin->deinit)
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if (plugin->plugin->deinit((void *)p))
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/* TRANSLATORS: The leading word "scheduling" is the name
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of the plugin api, and so should not be translated. */
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sql_print_error(_("scheduling plugin '%s' deinit() failed"),
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/* The plugin_foreach() iterator requires that we
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convert all the parameters of a plugin api entry point
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into just one single void ptr, plus the session.
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So we will take all the additional paramters of scheduling_do1,
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and marshall them into a struct of this type, and
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then just pass in a pointer to it.
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typedef struct scheduling_do1_parms_st
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} scheduling_do1_parms_t;
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/* This gets called by plugin_foreach once for each loaded scheduling plugin */
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static bool scheduling_do1_iterate (Session *session, plugin_ref plugin, void *p)
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scheduling_t *l= plugin_data(plugin, scheduling_t *);
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scheduling_do1_parms_t *parms= (scheduling_do1_parms_t *) p;
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/* call this loaded scheduling plugin's scheduling_func1 function pointer */
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if (l && l->scheduling_func1)
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if (l->scheduling_func1(session, parms->parm1, parms->parm2))
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/* TRANSLATORS: The leading word "scheduling" is the name
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of the plugin api, and so should not be translated. */
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sql_print_error(_("scheduling plugin '%s' scheduling_func1() failed"),
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(char *)plugin_name(plugin));
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/* This is the scheduling_do1 entry point.
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This gets called by the rest of the Drizzle server code */
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bool scheduling_do1 (Session *session, void *parm1, void *parm2)
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scheduling_do1_parms_t parms;
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/* marshall the parameters so they will fit into the foreach */
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/* call scheduling_do1_iterate
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once for each loaded scheduling plugin */
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foreach_rv= plugin_foreach(session,
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scheduling_do1_iterate,
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DRIZZLE_SCHEDULING_PLUGIN,
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/* The plugin_foreach() iterator requires that we
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convert all the parameters of a plugin api entry point
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into just one single void ptr, plus the session.
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So we will take all the additional paramters of scheduling_do2,
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and marshall them into a struct of this type, and
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then just pass in a pointer to it.
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typedef struct scheduling_do2_parms_st
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} scheduling_do2_parms_t;
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/* This gets called by plugin_foreach once for each loaded scheduling plugin */
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static bool scheduling_do2_iterate (Session *session, plugin_ref plugin, void *p)
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scheduling_t *l= plugin_data(plugin, scheduling_t *);
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scheduling_do2_parms_t *parms= (scheduling_do2_parms_t *) p;
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/* call this loaded scheduling plugin's scheduling_func1 function pointer */
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if (l && l->scheduling_func2)
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if (l->scheduling_func2(session, parms->parm3, parms->parm4))
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/* TRANSLATORS: The leading word "scheduling" is the name
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of the plugin api, and so should not be translated. */
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sql_print_error(_("scheduling plugin '%s' scheduling_func2() failed"),
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(char *)plugin_name(plugin));
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/* This is the scheduling_do2 entry point.
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This gets called by the rest of the Drizzle server code */
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bool scheduling_do2 (Session *session, void *parm3, void *parm4)
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scheduling_do2_parms_t parms;
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/* marshall the parameters so they will fit into the foreach */
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/* call scheduling_do2_iterate
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once for each loaded scheduling plugin */
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foreach_rv= plugin_foreach(session,
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scheduling_do2_iterate,
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DRIZZLE_SCHEDULING_PLUGIN,