206 строки
6.1 KiB
C
206 строки
6.1 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights 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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* $COPYRIGHT$
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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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* These symbols are in a file by themselves to provide nice linker
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* semantics. Since linkers generally pull in symbols by object
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* files, keeping these symbols as the only symbols in this file
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* prevents utility programs such as "ompi_info" from having to import
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* entire components just to query their version and parameters.
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*/
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#include "ompi_config.h"
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#include <stdlib.h>
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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 "include/orte_constants.h"
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#include "util/argv.h"
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#include "util/path.h"
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#include "util/basename.h"
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#include "mca/pls/pls.h"
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#include "mca/pls/rsh/pls_rsh.h"
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#include "mca/pls/rsh/pls-rsh-version.h"
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#include "mca/base/mca_base_param.h"
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#include "mca/rml/rml.h"
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/*
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* Public string showing the pls ompi_rsh component version number
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*/
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const char *mca_pls_rsh_component_version_string =
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"Open MPI rsh pls MCA component version " MCA_pls_rsh_VERSION;
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/*
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* Instantiate the public struct with all of our public information
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* and pointers to our public functions in it
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*/
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orte_pls_rsh_component_t mca_pls_rsh_component = {
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{
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/* First, the mca_component_t struct containing meta information
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about the component itself */
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{
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/* Indicate that we are a pls v1.0.0 component (which also
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implies a specific MCA version) */
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ORTE_PLS_BASE_VERSION_1_0_0,
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/* Component name and version */
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"rsh",
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MCA_pls_rsh_MAJOR_VERSION,
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MCA_pls_rsh_MINOR_VERSION,
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MCA_pls_rsh_RELEASE_VERSION,
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/* Component open and close functions */
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orte_pls_rsh_component_open,
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orte_pls_rsh_component_close
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},
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/* Next the MCA v1.0.0 component meta data */
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{
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/* Whether the component is checkpointable or not */
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true
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},
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/* Initialization / querying functions */
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orte_pls_rsh_component_init
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}
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};
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/**
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* Convience functions to lookup MCA parameter values.
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*/
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static int orte_pls_rsh_param_register_int(
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const char* param_name,
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int default_value)
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{
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int id = mca_base_param_register_int("pls","rsh",param_name,NULL,default_value);
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int param_value = default_value;
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mca_base_param_lookup_int(id,¶m_value);
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return param_value;
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}
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static char* orte_pls_rsh_param_register_string(
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const char* param_name,
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const char* default_value)
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{
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char *param_value;
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int id = mca_base_param_register_string("pls","rsh",param_name,NULL,default_value);
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mca_base_param_lookup_string(id, ¶m_value);
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return param_value;
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}
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int orte_pls_rsh_component_open(void)
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{
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char* param;
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char *bname;
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size_t i;
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/* initialize globals */
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OBJ_CONSTRUCT(&mca_pls_rsh_component.lock, opal_mutex_t);
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OBJ_CONSTRUCT(&mca_pls_rsh_component.cond, opal_condition_t);
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mca_pls_rsh_component.num_children = 0;
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/* lookup parameters */
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mca_pls_rsh_component.debug = orte_pls_rsh_param_register_int("debug",0);
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mca_pls_rsh_component.num_concurrent = orte_pls_rsh_param_register_int("num_concurrent",128);
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if(mca_pls_rsh_component.debug == 0) {
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int id = mca_base_param_register_int("orte","debug",NULL,NULL,0);
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int value;
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mca_base_param_lookup_int(id,&value);
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mca_pls_rsh_component.debug = (value > 0) ? 1 : 0;
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}
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mca_pls_rsh_component.orted = orte_pls_rsh_param_register_string("orted","orted");
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mca_pls_rsh_component.priority = orte_pls_rsh_param_register_int("priority",10);
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mca_pls_rsh_component.delay = orte_pls_rsh_param_register_int("delay",1);
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mca_pls_rsh_component.reap = orte_pls_rsh_param_register_int("reap",1);
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param = orte_pls_rsh_param_register_string("agent","ssh");
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mca_pls_rsh_component.argv = ompi_argv_split(param, ' ');
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mca_pls_rsh_component.argc = ompi_argv_count(mca_pls_rsh_component.argv);
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if (mca_pls_rsh_component.argc > 0) {
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/* If the agent is ssh, and debug was not selected, then
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automatically add "-x" */
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bname = ompi_basename(mca_pls_rsh_component.argv[0]);
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if (NULL != bname && 0 == strcmp(bname, "ssh") &&
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mca_pls_rsh_component.debug == 0) {
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for (i = 1; NULL != mca_pls_rsh_component.argv[i]; ++i) {
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if (0 == strcasecmp("-x", mca_pls_rsh_component.argv[i])) {
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break;
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}
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}
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if (NULL == mca_pls_rsh_component.argv[i]) {
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ompi_argv_append(&mca_pls_rsh_component.argc,
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&mca_pls_rsh_component.argv, "-x");
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}
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}
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if (NULL != bname) {
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free(bname);
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}
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mca_pls_rsh_component.path = strdup(mca_pls_rsh_component.argv[0]);
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return ORTE_SUCCESS;
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} else {
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mca_pls_rsh_component.path = NULL;
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return ORTE_ERR_BAD_PARAM;
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}
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}
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orte_pls_base_module_t *orte_pls_rsh_component_init(int *priority)
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{
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extern char **environ;
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/* If we didn't find the agent in the path, then don't use this component */
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if (NULL == mca_pls_rsh_component.argv || NULL == mca_pls_rsh_component.argv[0]) {
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return NULL;
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}
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mca_pls_rsh_component.path = ompi_path_findv(mca_pls_rsh_component.argv[0], 0, environ, NULL);
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if (NULL == mca_pls_rsh_component.path) {
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return NULL;
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}
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*priority = mca_pls_rsh_component.priority;
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return &orte_pls_rsh_module;
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}
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int orte_pls_rsh_component_close(void)
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{
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/* cleanup state */
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OBJ_DESTRUCT(&mca_pls_rsh_component.lock);
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OBJ_DESTRUCT(&mca_pls_rsh_component.cond);
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if(NULL != mca_pls_rsh_component.argv)
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ompi_argv_free(mca_pls_rsh_component.argv);
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if(NULL != mca_pls_rsh_component.path)
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free(mca_pls_rsh_component.path);
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return ORTE_SUCCESS;
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}
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