223 строки
8.1 KiB
C
223 строки
8.1 KiB
C
/*
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* Copyright (c) 2004-2008 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) 2004-2006 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) 2004-2009 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) 2007 Los Alamos National Security, LLC. All rights
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* 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 "orte_config.h"
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#include "orte/constants.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 <ctype.h>
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#include "opal/util/argv.h"
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#include "opal/util/path.h"
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#include "opal/util/opal_environ.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "orte/mca/plm/plm.h"
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#include "orte/mca/plm/base/plm_private.h"
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#include "orte/mca/plm/process/plm_process.h"
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#include "orte/util/show_help.h"
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/*
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* Local function
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*/
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static char **search(const char* agent_list);
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/*
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* Public string showing the plm ompi_process component version number
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*/
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const char *mca_plm_process_component_version_string =
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"Open MPI process plm MCA component version " ORTE_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_plm_process_component_t mca_plm_process_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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ORTE_PLM_BASE_VERSION_2_0_0,
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/* Component name and version */
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"process",
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ORTE_MAJOR_VERSION,
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ORTE_MINOR_VERSION,
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ORTE_RELEASE_VERSION,
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/* Component open and close functions */
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orte_plm_process_component_open,
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orte_plm_process_component_close,
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orte_plm_process_component_query
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},
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{
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/* This component is not checkpointable */
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MCA_BASE_METADATA_PARAM_NONE
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}
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}
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};
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int orte_plm_process_component_open(void)
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{
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int tmp, value;
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mca_base_component_t *c = &mca_plm_process_component.super.base_version;
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/* initialize globals */
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OBJ_CONSTRUCT(&mca_plm_process_component.lock, opal_mutex_t);
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OBJ_CONSTRUCT(&mca_plm_process_component.cond, opal_condition_t);
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mca_plm_process_component.num_children = 0;
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/* lookup parameters */
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mca_base_param_reg_int(c, "num_concurrent",
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"How many plm_process_agent instances to invoke concurrently (must be > 0)",
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false, false, 128, &tmp);
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if (tmp <= 0) {
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orte_show_help("help-plm-process.txt", "concurrency-less-than-zero",
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true, tmp);
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tmp = 1;
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}
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mca_plm_process_component.num_concurrent = tmp;
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mca_base_param_reg_int(c, "force_process",
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"Force the launcher to always use process, even for local daemons",
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false, false, false, &tmp);
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mca_plm_process_component.force_process = OPAL_INT_TO_BOOL(tmp);
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mca_base_param_reg_string(c, "orted",
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"The command name that the process plm component will invoke for the ORTE daemon",
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false, false, "orted.exe",
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&mca_plm_process_component.orted);
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mca_base_param_reg_int(c, "priority",
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"Priority of the process plm component",
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false, false, 10,
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&mca_plm_process_component.priority);
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mca_base_param_reg_int(c, "delay",
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"Delay (in seconds) between invocations of the remote agent, but only used when the \"debug\" MCA parameter is true, or the top-level MCA debugging is enabled (otherwise this value is ignored)",
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false, false, 1,
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&mca_plm_process_component.delay);
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mca_base_param_reg_int(c, "reap",
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"If set to 1, wait for all the processes to complete before exiting. Otherwise, quit immediately -- without waiting for confirmation that all other processes in the job have completed.",
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false, false, 1, &tmp);
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mca_plm_process_component.reap = OPAL_INT_TO_BOOL(tmp);
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mca_base_param_reg_int(c, "assume_same_shell",
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"If set to 1, assume that the shell on the remote node is the same as the shell on the local node. Otherwise, probe for what the remote shell.",
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false, false, 1, &tmp);
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mca_plm_process_component.assume_same_shell = OPAL_INT_TO_BOOL(tmp);
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mca_base_param_reg_int(c, "use_gui_prompt",
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"If set to 1, use Windows standard GUI to input user name and password for connecting to remote node. Otherwise, use command line prompt.",
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false, false, 0, &tmp);
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mca_plm_process_component.use_gui_prompt = OPAL_INT_TO_BOOL(tmp);
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mca_base_param_reg_int(c, "remote_reg_prefix",
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"If set to 1, the process module will first try to read OPAL_PREFIX registry entry on remote computer to get the orte daemon execute path. If the read failed, it will use the default prefix.",
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false, false, 1, &tmp);
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mca_plm_process_component.remote_reg_prefix = OPAL_INT_TO_BOOL(tmp);
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mca_base_param_reg_int(c, "remote_env_prefix",
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"If set to 1, the process module will first try to read OPENMPI_HOME user env on remote computer to get the orte daemon execute path. If the read failed, it will try to read remote registry, and then default prefix.",
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false, false, 1, &tmp);
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mca_plm_process_component.remote_env_prefix = OPAL_INT_TO_BOOL(tmp);
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return ORTE_SUCCESS;
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}
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int orte_plm_process_component_query(mca_base_module_t **module, int *priority)
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{
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*priority = mca_plm_process_component.priority;
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*module = (mca_base_module_t *) &orte_plm_process_module;
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return ORTE_SUCCESS;
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}
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int orte_plm_process_component_close(void)
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{
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/* cleanup state */
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OBJ_DESTRUCT(&mca_plm_process_component.lock);
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OBJ_DESTRUCT(&mca_plm_process_component.cond);
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if (NULL != mca_plm_process_component.orted) {
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free(mca_plm_process_component.orted);
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}
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return ORTE_SUCCESS;
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}
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/*
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* Take a colon-delimited list of agents and locate the first one that
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* we are able to find in the PATH. Split that one into argv and
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* return it. If nothing found, then return NULL.
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*/
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static char **search(const char* agent_list)
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{
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int i, j;
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char *line, **lines = opal_argv_split(agent_list, ':');
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char **tokens, *tmp;
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char cwd[PATH_MAX];
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getcwd(cwd, PATH_MAX);
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for (i = 0; NULL != lines[i]; ++i) {
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line = lines[i];
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/* Trim whitespace at the beginning and end of the line */
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for (j = 0; '\0' != line[j] && isspace(line[j]); ++line) {
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continue;
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}
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for (j = (int)strlen(line) - 2; j > 0 && isspace(line[j]); ++j) {
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line[j] = '\0';
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}
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if (strlen(line) <= 0) {
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continue;
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}
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/* Split it */
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tokens = opal_argv_split(line, ' ');
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/* Look for the first token in the PATH */
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tmp = opal_path_findv(tokens[0], X_OK, environ, cwd);
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if (NULL != tmp) {
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free(tokens[0]);
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tokens[0] = tmp;
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opal_argv_free(lines);
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return tokens;
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}
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/* Didn't find it */
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opal_argv_free(tokens);
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}
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/* Doh -- didn't find anything */
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opal_argv_free(lines);
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return NULL;
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}
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