/* * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana * University Research and Technology * Corporation. All rights reserved. * Copyright (c) 2004-2005 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) 2014 Intel, Inc. All rights reserved. * Copyright (c) 2014-2015 Cisco Systems, Inc. All rights reserved. * $COPYRIGHT$ * * Additional copyrights may follow * * $HEADER$ */ #include "opal_config.h" #include #include #include "opal/util/cmd_line.h" #include "opal/util/argv.h" #include "opal/util/opal_environ.h" #include "opal/util/show_help.h" #include "opal/mca/base/base.h" #include "opal/constants.h" /* * Private variables */ /* * Private functions */ static int process_arg(const char *param, const char *value, char ***params, char ***values); static void add_to_env(char **params, char **values, char ***env); /* * Add -mca to the possible command line options list */ int mca_base_cmd_line_setup(opal_cmd_line_t *cmd) { int ret = OPAL_SUCCESS; ret = opal_cmd_line_make_opt3(cmd, '\0', OPAL_MCA_CMD_LINE_ID, OPAL_MCA_CMD_LINE_ID, 2, "Pass context-specific MCA parameters; they are considered global if --g"OPAL_MCA_CMD_LINE_ID" is not used and only one context is specified (arg0 is the parameter name; arg1 is the parameter value)"); if (OPAL_SUCCESS != ret) { return ret; } ret = opal_cmd_line_make_opt3(cmd, '\0', "g"OPAL_MCA_CMD_LINE_ID, "g"OPAL_MCA_CMD_LINE_ID, 2, "Pass global MCA parameters that are applicable to all contexts (arg0 is the parameter name; arg1 is the parameter value)"); if (OPAL_SUCCESS != ret) { return ret; } { opal_cmd_line_init_t entry = {"mca_base_param_file_prefix", '\0', "am", NULL, 1, NULL, OPAL_CMD_LINE_TYPE_STRING, "Aggregate MCA parameter set file list" }; ret = opal_cmd_line_make_opt_mca(cmd, entry); if (OPAL_SUCCESS != ret) { return ret; } } return ret; } /* * Look for and handle any -mca options on the command line */ int mca_base_cmd_line_process_args(opal_cmd_line_t *cmd, char ***context_env, char ***global_env) { int i, num_insts, rc; char **params; char **values; /* If no relevant parameters were given, just return */ if (!opal_cmd_line_is_taken(cmd, OPAL_MCA_CMD_LINE_ID) && !opal_cmd_line_is_taken(cmd, "g"OPAL_MCA_CMD_LINE_ID)) { return OPAL_SUCCESS; } /* Handle app context-specific parameters */ num_insts = opal_cmd_line_get_ninsts(cmd, OPAL_MCA_CMD_LINE_ID); params = values = NULL; for (i = 0; i < num_insts; ++i) { if (OPAL_SUCCESS != (rc = process_arg(opal_cmd_line_get_param(cmd, OPAL_MCA_CMD_LINE_ID, i, 0), opal_cmd_line_get_param(cmd, OPAL_MCA_CMD_LINE_ID, i, 1), ¶ms, &values))) { return rc; } } if (NULL != params) { add_to_env(params, values, context_env); opal_argv_free(params); opal_argv_free(values); } /* Handle global parameters */ num_insts = opal_cmd_line_get_ninsts(cmd, "g"OPAL_MCA_CMD_LINE_ID); params = values = NULL; for (i = 0; i < num_insts; ++i) { if (OPAL_SUCCESS != (rc = process_arg(opal_cmd_line_get_param(cmd, "g"OPAL_MCA_CMD_LINE_ID, i, 0), opal_cmd_line_get_param(cmd, "g"OPAL_MCA_CMD_LINE_ID, i, 1), ¶ms, &values))) { return rc; } } if (NULL != params) { add_to_env(params, values, global_env); opal_argv_free(params); opal_argv_free(values); } /* All done */ return OPAL_SUCCESS; } /* * Process a single MCA argument. */ static int process_arg(const char *param, const char *value, char ***params, char ***values) { int i; char *p1; /* check for quoted value */ if ('\"' == value[0] && '\"' == value[strlen(value)-1]) { p1 = strdup(&value[1]); p1[strlen(p1)-1] = '\0'; } else { p1 = strdup(value); } /* Look to see if we've already got an -mca argument for the same param. Check against the list of MCA param's that we've already saved arguments for - if found, return an error. */ for (i = 0; NULL != *params && NULL != (*params)[i]; ++i) { if (0 == strcmp(param, (*params)[i])) { /* cannot use show_help here as it may not get out prior * to the process exiting */ fprintf(stderr, "---------------------------------------------------------------------------\n" "The following MCA parameter has been listed multiple times on the\n" "command line:\n\n" " MCA param: %s\n\n" "MCA parameters can only be listed once on a command line to ensure there\n" "is no ambiguity as to its value. Please correct the situation and\n" "try again.\n" "---------------------------------------------------------------------------\n", param); free(p1); return OPAL_ERROR; } } /* If we didn't already have an value for the same param, save this one away */ opal_argv_append_nosize(params, param); opal_argv_append_nosize(values, p1); free(p1); return OPAL_SUCCESS; } static void add_to_env(char **params, char **values, char ***env) { int i; char *name; /* Loop through all the args that we've gotten and make env vars of the form OPAL_MCA_PREFIX*=value. */ for (i = 0; NULL != params && NULL != params[i]; ++i) { (void) mca_base_var_env_name (params[i], &name); opal_setenv(name, values[i], true, env); free(name); } } void mca_base_cmd_line_wrap_args(char **args) { int i; char *tstr; for (i=0; NULL != args && NULL != args[i]; i++) { if (0 == strcmp(args[i], "-"OPAL_MCA_CMD_LINE_ID) || 0 == strcmp(args[i], "--"OPAL_MCA_CMD_LINE_ID)) { if (NULL == args[i+1] || NULL == args[i+2]) { /* this should be impossible as the error would * have been detected well before here, but just * be safe */ return; } i += 2; asprintf(&tstr, "\"%s\"", args[i]); free(args[i]); args[i] = tstr; } } }