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/*
* cl_plugin.c: This file handle plugin loading and deleting
*
* Copyright (C) 2005 Guochun Shi <gshi@ncsa.uiuc.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <lha_internal.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <unistd.h>
#include <assert.h>
#include <glib.h>
#include <ha_msg.h>
#include <clplumbing/netstring.h>
#include <pils/plugin.h>
#include <pils/generic.h>
/* #include <stonith/stonith.h> */
/* #include <stonith/stonith_plugin.h> */
#include <clplumbing/cl_plugin.h>
#define MAXTYPES 16
#define MAXTYPELEN 64
static GHashTable* funcstable[MAXTYPES];
static PILPluginUniv* plugin_univ = NULL;
static PILGenericIfMgmtRqst reqs[] =
{
{"compress", &funcstable[0], NULL, NULL, NULL},
{"HBcoms", &funcstable[1], NULL, NULL, NULL},
{"HBauth", &funcstable[2], NULL, NULL, NULL},
{"RAExec", &funcstable[3], NULL, NULL, NULL},
{"quorum", &funcstable[4], NULL, NULL, NULL},
{"tiebreaker", &funcstable[5], NULL, NULL, NULL},
{"quorumd", &funcstable[6], NULL, NULL, NULL},
{NULL, NULL, NULL, NULL, NULL}
};
static int
init_pluginsys(void){
if (plugin_univ) {
return TRUE;
}
plugin_univ = NewPILPluginUniv(HA_PLUGIN_DIR);
if (plugin_univ) {
if (PILLoadPlugin(plugin_univ, PI_IFMANAGER, "generic", reqs)
!= PIL_OK){
cl_log(LOG_ERR, "generic plugin load failed\n");
DelPILPluginUniv(plugin_univ);
plugin_univ = NULL;
}
}else{
cl_log(LOG_ERR, "pi univ creation failed\n");
}
return plugin_univ != NULL;
}
int
cl_remove_plugin(const char* type, const char* pluginname)
{
return HA_OK;
}
void*
cl_load_plugin(const char* type, const char* pluginname)
{
void* funcs = NULL;
int i = 0;
GHashTable** table = NULL;
while (reqs[i].iftype != NULL){
if ( strcmp(reqs[i].iftype,type) != 0){
i++;
continue;
}
table = reqs[i].ifmap;
break;
}
if (table == NULL){
cl_log(LOG_ERR, "%s: function table not found",__FUNCTION__);
return NULL;
}
if (!init_pluginsys()){
cl_log(LOG_ERR, "%s: init plugin universe failed", __FUNCTION__);
return NULL;
}
if ((funcs = g_hash_table_lookup(*table, pluginname))
== NULL){
if (PILPluginExists(plugin_univ, type, pluginname) == PIL_OK){
PIL_rc rc;
rc = PILLoadPlugin(plugin_univ, type, pluginname, NULL);
if (rc != PIL_OK){
cl_log(LOG_ERR,
"Cannot load plugin %s[%s]",
pluginname,
PIL_strerror(rc));
return NULL;
}
funcs = g_hash_table_lookup(*table,
pluginname);
}
}
if (funcs == NULL){
cl_log(LOG_ERR, "%s: module(%s) not found",
__FUNCTION__, pluginname);
return NULL;
}
return funcs;
}
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