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/*___INFO__MARK_BEGIN__*/
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* the Sun Industry Standards Source License Version 1.2
*
* Sun Microsystems Inc., March, 2001
*
*
* Sun Industry Standards Source License Version 1.2
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.2 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2001 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
************************************************************************/
/*___INFO__MARK_END__*/
#include <string.h>
#ifdef SOLARIS
#include <link.h>
#endif
#include "uti/sge_rmon.h"
#include "uti/sge_log.h"
#include "uti/sge_dlopen.h"
#include "sgeobj/sge_answer.h"
#include "spool/dynamic/msg_spoollib_dynamic.h"
#include "spool/dynamic/sge_spooling_dynamic.h"
static const char *spooling_method = "dynamic";
#ifndef SGE_LD_PATH
#define SGE_LD_PATH
#endif
#ifdef SPOOLING_dynamic
const char *get_spooling_method(void)
#else
const char *get_dynamic_spooling_method(void)
#endif
{
return spooling_method;
}
lListElem *
spool_dynamic_create_context(lList **answer_list, const char *method,
const char *shlib_name, const char *args)
{
bool ok = true;
lListElem *context = NULL;
/* shared lib name buffer and handle */
dstring shlib_dstring = DSTRING_INIT;
const char *shlib_fullname;
void *shlib_handle;
/* get_method function pointer and result */
spooling_get_method_func get_spooling_method = NULL;
const char *spooling_name = NULL;
DENTER(TOP_LAYER, "spool_dynamic_create_context");
/* build the full name of the shared lib - append architecture dependent
* shlib postfix
*/
shlib_fullname = sge_dstring_sprintf(&shlib_dstring, SGE_LD_PATH"%s%s",
shlib_name, sge_shlib_ext());
#if defined(HP1164)
/* need to switch to start user for HP */
sge_switch2start_user();
shlib_handle = sge_dlopen(shlib_fullname, NULL);
sge_switch2admin_user();
#else
shlib_handle = sge_dlopen(shlib_fullname, NULL);
#endif
if (shlib_handle == NULL) {
answer_list_add_sprintf(answer_list, STATUS_EUNKNOWN,
ANSWER_QUALITY_ERROR,
MSG_SPOOL_ERROROPENINGSHAREDLIB_SS,
shlib_fullname, dlerror());
ok = false;
}
/* retrieve function pointer of get_method function in shared lib */
if (ok) {
dstring get_spooling_method_func_name = DSTRING_INIT;
sge_dstring_sprintf(&get_spooling_method_func_name,
"get_%s_spooling_method", method);
get_spooling_method = (spooling_get_method_func)
dlsym(shlib_handle,
sge_dstring_get_string(&get_spooling_method_func_name));
if (get_spooling_method == NULL) {
answer_list_add_sprintf(answer_list, STATUS_EUNKNOWN,
ANSWER_QUALITY_ERROR,
MSG_SPOOL_SHLIBDOESNOTCONTAINSPOOLING_SS,
shlib_fullname, dlerror());
ok = false;
}
sge_dstring_free(&get_spooling_method_func_name);
}
/* retrieve name of spooling method in shared lib */
if (ok) {
spooling_name = get_spooling_method();
if (spooling_name == NULL) {
answer_list_add_sprintf(answer_list, STATUS_EUNKNOWN,
ANSWER_QUALITY_INFO,
MSG_SPOOL_SHLIBGETMETHODRETURNSNULL_S,
shlib_fullname);
ok = false;
} else {
if (strcmp(spooling_name, method) != 0) {
answer_list_add_sprintf(answer_list, STATUS_EUNKNOWN,
ANSWER_QUALITY_INFO,
MSG_SPOOL_SHLIBCONTAINSXWENEEDY_SSS,
shlib_fullname, spooling_name, method);
ok = false;
}
}
}
/* create spooling context from shared lib */
if (ok) {
dstring create_context_func_name = DSTRING_INIT;
spooling_create_context_func create_context;
answer_list_add_sprintf(answer_list, STATUS_EUNKNOWN,
ANSWER_QUALITY_INFO,
MSG_SPOOL_LOADINGSPOOLINGMETHOD_SS,
spooling_name, shlib_fullname);
sge_dstring_sprintf(&create_context_func_name,
"spool_%s_create_context", spooling_name);
create_context =
(spooling_create_context_func)
dlsym(shlib_handle,
sge_dstring_get_string(&create_context_func_name));
if (create_context == NULL) {
answer_list_add_sprintf(answer_list, STATUS_EUNKNOWN,
ANSWER_QUALITY_ERROR,
MSG_SPOOL_SHLIBDOESNOTCONTAINSPOOLING_SS,
shlib_fullname, dlerror());
ok = false;
} else {
context = create_context(answer_list, args);
}
sge_dstring_free(&create_context_func_name);
}
/* cleanup in case of initialization error */
if (context == NULL) {
if (shlib_handle != NULL) {
dlclose(shlib_handle);
}
}
sge_dstring_free(&shlib_dstring);
DRETURN(context);
}
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