/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2008 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2011 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include <stdio.h>
#include <string.h>
#ifdef HAVE_SYSLOG_H
#include <syslog.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "opal/mca/installdirs/installdirs.h"
#include "opal/util/output.h"
#include "opal/util/printf.h"
#include "opal/mca/mca.h"
#include "opal/mca/base/base.h"
#include "opal/mca/base/mca_base_component_repository.h"
#include "opal/constants.h"
#include "opal/util/opal_environ.h"
/*
* Public variables
*/
char *mca_base_component_path = NULL;
int mca_base_opened = 0;
char *mca_base_system_default_path = NULL;
char *mca_base_user_default_path = NULL;
bool mca_base_component_show_load_errors = true;
bool mca_base_component_disable_dlopen = false;
static char *mca_base_verbose = NULL;
/*
* Private functions
*/
static void set_defaults(opal_output_stream_t *lds);
static void parse_verbose(char *e, opal_output_stream_t *lds);
/*
* Main MCA initialization.
*/
int mca_base_open(void)
{
char *value;
opal_output_stream_t lds;
char hostname[OPAL_MAXHOSTNAMELEN];
int var_id;
if (mca_base_opened++) {
return OPAL_SUCCESS;
}
/* define the system and user default paths */
#if OPAL_WANT_HOME_CONFIG_FILES
mca_base_system_default_path = strdup(opal_install_dirs.opallibdir);
asprintf(&mca_base_user_default_path, "%s"OPAL_PATH_SEP".openmpi"OPAL_PATH_SEP"components", opal_home_directory());
#else
asprintf(&mca_base_system_default_path, "%s", opal_install_dirs.opallibdir);
#endif
/* see if the user wants to override the defaults */
if (NULL == mca_base_user_default_path) {
value = strdup(mca_base_system_default_path);
} else {
asprintf(&value, "%s%c%s", mca_base_system_default_path,
OPAL_ENV_SEP, mca_base_user_default_path);
}
mca_base_component_path = value;
var_id = mca_base_var_register("opal", "mca", "base", "component_path",
"Path where to look for additional components",
MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_base_component_path);
(void) mca_base_var_register_synonym(var_id, "opal", "mca", NULL, "component_path",
MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
free(value);
mca_base_component_show_load_errors = true;
var_id = mca_base_var_register("opal", "mca", "base", "component_show_load_errors",
"Whether to show errors for components that failed to load or not",
MCA_BASE_VAR_TYPE_BOOL, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_base_component_show_load_errors);
(void) mca_base_var_register_synonym(var_id, "opal", "mca", NULL, "component_show_load_errors",
MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
mca_base_component_disable_dlopen = false;
var_id = mca_base_var_register("opal", "mca", "base", "component_disable_dlopen",
"Whether to attempt to disable opening dynamic components or not",
MCA_BASE_VAR_TYPE_BOOL, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_base_component_disable_dlopen);
(void) mca_base_var_register_synonym(var_id, "opal", "mca", NULL, "component_disable_dlopen",
MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
/* What verbosity level do we want for the default 0 stream? */
mca_base_verbose = "stderr";
var_id = mca_base_var_register("opal", "mca", "base", "verbose",
"Specifies where the default error output stream goes (this is separate from distinct help messages). Accepts a comma-delimited list of: stderr, stdout, syslog, syslogpri:<notice|info|debug>, syslogid:<str> (where str is the prefix string for all syslog notices), file[:filename] (if filename is not specified, a default filename is used), fileappend (if not specified, the file is opened for truncation), level[:N] (if specified, integer verbose level; otherwise, 0 is implied)",
MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
OPAL_INFO_LVL_9,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_base_verbose);
(void) mca_base_var_register_synonym(var_id, "opal", "mca", NULL, "verbose",
MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
memset(&lds, 0, sizeof(lds));
if (NULL != mca_base_verbose) {
parse_verbose(mca_base_verbose, &lds);
} else {
set_defaults(&lds);
}
gethostname(hostname, sizeof(hostname));
asprintf(&lds.lds_prefix, "[%s:%05d] ", hostname, getpid());
opal_output_reopen(0, &lds);
opal_output_verbose (MCA_BASE_VERBOSE_COMPONENT, 0, "mca: base: opening components");
free(lds.lds_prefix);
/* Open up the component repository */
return mca_base_component_repository_init();
}
/*
* Set sane default values for the lds
*/
static void set_defaults(opal_output_stream_t *lds)
{
/* Load up defaults */
OBJ_CONSTRUCT(lds, opal_output_stream_t);
lds->lds_syslog_priority = LOG_INFO;
lds->lds_syslog_ident = "ompi";
lds->lds_want_stderr = true;
}
/*
* Parse the value of an environment variable describing verbosity
*/
static void parse_verbose(char *e, opal_output_stream_t *lds)
{
char *edup;
char *ptr, *next;
bool have_output = false;
if (NULL == e) {
return;
}
edup = strdup(e);
ptr = edup;
/* Now parse the environment variable */
while (NULL != ptr && strlen(ptr) > 0) {
next = strchr(ptr, ',');
if (NULL != next) {
*next = '\0';
}
if (0 == strcasecmp(ptr, "syslog")) {
lds->lds_want_syslog = true;
have_output = true;
}
else if (strncasecmp(ptr, "syslogpri:", 10) == 0) {
lds->lds_want_syslog = true;
have_output = true;
if (strcasecmp(ptr + 10, "notice") == 0)
lds->lds_syslog_priority = LOG_NOTICE;
else if (strcasecmp(ptr + 10, "INFO") == 0)
lds->lds_syslog_priority = LOG_INFO;
else if (strcasecmp(ptr + 10, "DEBUG") == 0)
lds->lds_syslog_priority = LOG_DEBUG;
} else if (strncasecmp(ptr, "syslogid:", 9) == 0) {
lds->lds_want_syslog = true;
lds->lds_syslog_ident = ptr + 9;
}
else if (strcasecmp(ptr, "stdout") == 0) {
lds->lds_want_stdout = true;
have_output = true;
} else if (strcasecmp(ptr, "stderr") == 0) {
lds->lds_want_stderr = true;
have_output = true;
}
else if (strcasecmp(ptr, "file") == 0) {
lds->lds_want_file = true;
have_output = true;
} else if (strncasecmp(ptr, "file:", 5) == 0) {
lds->lds_want_file = true;
lds->lds_file_suffix = ptr + 5;
have_output = true;
} else if (strcasecmp(ptr, "fileappend") == 0) {
lds->lds_want_file = true;
lds->lds_want_file_append = 1;
have_output = true;
}
else if (strncasecmp(ptr, "level", 5) == 0) {
lds->lds_verbose_level = 0;
if (ptr[5] == OPAL_ENV_SEP)
lds->lds_verbose_level = atoi(ptr + 6);
}
if (NULL == next) {
break;
}
ptr = next + 1;
}
/* If we didn't get an output, default to stderr */
if (!have_output) {
lds->lds_want_stderr = true;
}
/* All done */
free(edup);
}