cf377db823
Features: - Support for an override parameter file (openmpi-mca-param-override.conf). Variable values in this file can not be overridden by any file or environment value. - Support for boolean, unsigned, and unsigned long long variables. - Support for true/false values. - Support for enumerations on integer variables. - Support for MPIT scope, verbosity, and binding. - Support for command line source. - Support for setting variable source via the environment using OMPI_MCA_SOURCE_<var name>=source (either command or file:filename) - Cleaner API. - Support for variable groups (equivalent to MPIT categories). Notes: - Variables must be created with a backing store (char **, int *, or bool *) that must live at least as long as the variable. - Creating a variable with the MCA_BASE_VAR_FLAG_SETTABLE enables the use of mca_base_var_set_value() to change the value. - String values are duplicated when the variable is registered. It is up to the caller to free the original value if necessary. The new value will be freed by the mca_base_var system and must not be freed by the user. - Variables with constant scope may not be settable. - Variable groups (and all associated variables) are deregistered when the component is closed or the component repository item is freed. This prevents a segmentation fault from accessing a variable after its component is unloaded. - After some discussion we decided we should remove the automatic registration of component priority variables. Few component actually made use of this feature. - The enumerator interface was updated to be general enough to handle future uses of the interface. - The code to generate ompi_info output has been moved into the MCA variable system. See mca_base_var_dump(). opal: update core and components to mca_base_var system orte: update core and components to mca_base_var system ompi: update core and components to mca_base_var system This commit also modifies the rmaps framework. The following variables were moved from ppr and lama: rmaps_base_pernode, rmaps_base_n_pernode, rmaps_base_n_persocket. Both lama and ppr create synonyms for these variables. This commit was SVN r28236.
252 строки
8.7 KiB
C
252 строки
8.7 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2008 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2011 Cisco Systems, Inc. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "opal_config.h"
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#include <stdio.h>
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#include <string.h>
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#ifdef HAVE_SYSLOG_H
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#include <syslog.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "opal/mca/installdirs/installdirs.h"
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#include "opal/util/output.h"
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#include "opal/util/printf.h"
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#include "opal/mca/mca.h"
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#include "opal/mca/base/base.h"
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#include "opal/mca/base/mca_base_component_repository.h"
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#include "opal/constants.h"
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#include "opal/util/opal_environ.h"
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/*
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* Public variables
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*/
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char *mca_base_component_path = NULL;
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bool mca_base_opened = false;
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char *mca_base_system_default_path = NULL;
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char *mca_base_user_default_path = NULL;
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bool mca_base_component_show_load_errors = true;
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bool mca_base_component_disable_dlopen = false;
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static char *mca_base_verbose = NULL;
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/*
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* Private functions
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*/
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static void set_defaults(opal_output_stream_t *lds);
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static void parse_verbose(char *e, opal_output_stream_t *lds);
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/*
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* Main MCA initialization.
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*/
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int mca_base_open(void)
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{
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char *value;
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opal_output_stream_t lds;
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char hostname[64];
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int var_id;
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if (!mca_base_opened) {
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mca_base_opened = true;
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} else {
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return OPAL_SUCCESS;
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}
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/* define the system and user default paths */
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#if OPAL_WANT_HOME_CONFIG_FILES
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mca_base_system_default_path = strdup(opal_install_dirs.pkglibdir);
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asprintf(&mca_base_user_default_path, "%s"OPAL_PATH_SEP".openmpi"OPAL_PATH_SEP"components", opal_home_directory());
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#else
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asprintf(&mca_base_system_default_path, "%s", opal_install_dirs.pkglibdir);
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#endif
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/* see if the user wants to override the defaults */
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if (NULL == mca_base_user_default_path) {
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value = strdup(mca_base_system_default_path);
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} else {
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asprintf(&value, "%s%c%s", mca_base_system_default_path,
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OPAL_ENV_SEP, mca_base_user_default_path);
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}
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mca_base_component_path = value;
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var_id = mca_base_var_register("opal", "mca", "base", "component_path",
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"Path where to look for Open MPI and ORTE components",
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MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_base_component_path);
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(void) mca_base_var_register_synonym(var_id, "opal", "mca", NULL, "component_path",
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MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
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free(value);
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mca_base_component_show_load_errors = true;
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var_id = mca_base_var_register("opal", "mca", "base", "component_show_load_errors",
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"Whether to show errors for components that failed to load or not",
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MCA_BASE_VAR_TYPE_BOOL, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_base_component_show_load_errors);
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(void) mca_base_var_register_synonym(var_id, "opal", "mca", NULL, "component_show_load_errors",
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MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
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mca_base_component_disable_dlopen = false;
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var_id = mca_base_var_register("opal", "mca", "base", "component_disable_dlopen",
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"Whether to attempt to disable opening dynamic components or not",
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MCA_BASE_VAR_TYPE_BOOL, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_base_component_disable_dlopen);
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(void) mca_base_var_register_synonym(var_id, "opal", "mca", NULL, "component_disable_dlopen",
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MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
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/* What verbosity level do we want for the default 0 stream? */
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mca_base_verbose = "stderr";
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var_id = mca_base_var_register("opal", "mca", "base", "verbose",
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"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)",
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MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_base_verbose);
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(void) mca_base_var_register_synonym(var_id, "opal", "mca", NULL, "verbose",
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MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
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memset(&lds, 0, sizeof(lds));
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if (NULL != mca_base_verbose) {
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parse_verbose(mca_base_verbose, &lds);
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} else {
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set_defaults(&lds);
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}
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gethostname(hostname, 64);
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asprintf(&lds.lds_prefix, "[%s:%05d] ", hostname, getpid());
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opal_output_reopen(0, &lds);
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opal_output_verbose(5, 0, "mca: base: opening components");
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free(lds.lds_prefix);
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/* Open up the component repository */
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return mca_base_component_repository_init();
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}
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/*
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* Set sane default values for the lds
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*/
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static void set_defaults(opal_output_stream_t *lds)
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{
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/* Load up defaults */
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OBJ_CONSTRUCT(lds, opal_output_stream_t);
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lds->lds_syslog_priority = LOG_INFO;
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lds->lds_syslog_ident = "ompi";
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lds->lds_want_stderr = true;
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}
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/*
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* Parse the value of an environment variable describing verbosity
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*/
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static void parse_verbose(char *e, opal_output_stream_t *lds)
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{
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char *edup;
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char *ptr, *next;
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bool have_output = false;
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if (NULL == e) {
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return;
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}
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edup = strdup(e);
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ptr = edup;
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/* Now parse the environment variable */
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while (NULL != ptr && strlen(ptr) > 0) {
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next = strchr(ptr, ',');
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if (NULL != next) {
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*next = '\0';
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}
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if (0 == strcasecmp(ptr, "syslog")) {
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lds->lds_want_syslog = true;
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have_output = true;
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}
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else if (strncasecmp(ptr, "syslogpri:", 10) == 0) {
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lds->lds_want_syslog = true;
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have_output = true;
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if (strcasecmp(ptr + 10, "notice") == 0)
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lds->lds_syslog_priority = LOG_NOTICE;
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else if (strcasecmp(ptr + 10, "INFO") == 0)
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lds->lds_syslog_priority = LOG_INFO;
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else if (strcasecmp(ptr + 10, "DEBUG") == 0)
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lds->lds_syslog_priority = LOG_DEBUG;
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} else if (strncasecmp(ptr, "syslogid:", 9) == 0) {
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lds->lds_want_syslog = true;
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lds->lds_syslog_ident = ptr + 9;
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}
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else if (strcasecmp(ptr, "stdout") == 0) {
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lds->lds_want_stdout = true;
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have_output = true;
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} else if (strcasecmp(ptr, "stderr") == 0) {
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lds->lds_want_stderr = true;
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have_output = true;
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}
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else if (strcasecmp(ptr, "file") == 0) {
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lds->lds_want_file = true;
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have_output = true;
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} else if (strncasecmp(ptr, "file:", 5) == 0) {
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lds->lds_want_file = true;
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lds->lds_file_suffix = ptr + 5;
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have_output = true;
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} else if (strcasecmp(ptr, "fileappend") == 0) {
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lds->lds_want_file = true;
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lds->lds_want_file_append = 1;
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have_output = true;
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}
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else if (strncasecmp(ptr, "level", 5) == 0) {
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lds->lds_verbose_level = 0;
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if (ptr[5] == OPAL_ENV_SEP)
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lds->lds_verbose_level = atoi(ptr + 6);
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}
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if (NULL == next) {
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break;
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}
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ptr = next + 1;
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}
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/* If we didn't get an output, default to stderr */
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if (!have_output) {
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lds->lds_want_stderr = true;
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}
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/* All done */
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free(edup);
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}
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