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openmpi/orte/tools/orted/orted.c
2006-08-24 16:18:42 +00:00

614 строки
21 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2006 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.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "orte_config.h"
#include <stdio.h>
#include <ctype.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#include <fcntl.h>
#include <errno.h>
#include <signal.h>
#include "orte/orte_constants.h"
#include "opal/event/event.h"
#include "opal/mca/base/base.h"
#include "opal/threads/mutex.h"
#include "opal/threads/condition.h"
#include "opal/util/cmd_line.h"
#include "opal/util/daemon_init.h"
#include "opal/util/opal_environ.h"
#include "opal/util/os_path.h"
#include "opal/util/output.h"
#include "opal/util/printf.h"
#include "opal/util/show_help.h"
#include "opal/util/trace.h"
#include "orte/dss/dss.h"
#include "orte/util/sys_info.h"
#include "orte/util/proc_info.h"
#include "orte/util/univ_info.h"
#include "orte/util/session_dir.h"
#include "orte/util/universe_setup_file_io.h"
#include "orte/mca/errmgr/errmgr.h"
#include "orte/mca/ns/ns.h"
#include "orte/mca/ns/base/base.h"
#include "orte/mca/gpr/gpr.h"
#include "orte/mca/rml/rml.h"
#include "orte/mca/smr/smr.h"
#include "orte/mca/rmgr/rmgr.h"
#include "orte/mca/rmgr/base/base.h"
#include "orte/runtime/runtime.h"
#include "orte/tools/orted/orted.h"
#if !defined(__WINDOWS__)
extern char** environ;
#endif /* !defined(__WINDOWS__) */
orted_globals_t orted_globals;
static struct opal_event term_handler;
static struct opal_event int_handler;
static void signal_callback(int fd, short flags, void *arg);
static void job_state_callback(orte_gpr_notify_data_t *data, void *cbdata);
static void orte_daemon_recv(int status, orte_process_name_t* sender,
orte_buffer_t *buffer, orte_rml_tag_t tag,
void* cbdata);
/*
* define the orted context table for obtaining parameters
*/
opal_cmd_line_init_t orte_cmd_line_opts[] = {
/* Various "obvious" options */
{ NULL, NULL, NULL, 'h', NULL, "help", 0,
&orted_globals.help, OPAL_CMD_LINE_TYPE_BOOL,
"This help message" },
{ "orte", "debug", NULL, 'd', NULL, "debug", 0,
&orted_globals.debug, OPAL_CMD_LINE_TYPE_BOOL,
"Debug the OpenRTE" },
{ "orte", "no_daemonize", NULL, '\0', NULL, "no-daemonize", 0,
&orted_globals.no_daemonize, OPAL_CMD_LINE_TYPE_BOOL,
"Don't daemonize into the background" },
{ "orte", "debug", "daemons", '\0', NULL, "debug-daemons", 0,
&orted_globals.debug_daemons, OPAL_CMD_LINE_TYPE_BOOL,
"Enable debugging of OpenRTE daemons" },
{ "orte", "debug", "daemons_file", '\0', NULL, "debug-daemons-file", 0,
&orted_globals.debug_daemons_file, OPAL_CMD_LINE_TYPE_BOOL,
"Enable debugging of OpenRTE daemons, storing output in files" },
{ "rmgr", "bootproxy", "jobid", '\0', NULL, "bootproxy", 1,
&orted_globals.bootproxy, OPAL_CMD_LINE_TYPE_INT,
"Run as boot proxy for <job-id>" },
{ NULL, NULL, NULL, '\0', NULL, "name", 1,
&orted_globals.name, OPAL_CMD_LINE_TYPE_STRING,
"Set the orte process name"},
{ NULL, NULL, NULL, '\0', NULL, "vpid_start", 1,
&orted_globals.vpid_start, OPAL_CMD_LINE_TYPE_STRING,
"Set the starting vpid for this job"},
{ NULL, NULL, NULL, '\0', NULL, "num_procs", 1,
&orted_globals.num_procs, OPAL_CMD_LINE_TYPE_STRING,
"Set the number of process in this job"},
{ NULL, NULL, NULL, '\0', NULL, "ns-nds", 1,
&orted_globals.ns_nds, OPAL_CMD_LINE_TYPE_STRING,
"set sds/nds component to use for daemon (normally not needed)"},
{ NULL, NULL, NULL, '\0', NULL, "nsreplica", 1,
&orte_process_info.ns_replica_uri, OPAL_CMD_LINE_TYPE_STRING,
"Name service contact information."},
{ NULL, NULL, NULL, '\0', NULL, "gprreplica", 1,
&orte_process_info.gpr_replica_uri, OPAL_CMD_LINE_TYPE_STRING,
"Registry contact information."},
{ NULL, NULL, NULL, '\0', NULL, "nodename", 1,
&orte_system_info.nodename, OPAL_CMD_LINE_TYPE_STRING,
"Node name as specified by host/resource description." },
{ "universe", NULL, NULL, '\0', NULL, "universe", 1,
&orted_globals.universe, OPAL_CMD_LINE_TYPE_STRING,
"Set the universe name as username@hostname:universe_name for this application" },
{ "tmpdir", "base", NULL, '\0', NULL, "tmpdir", 1,
NULL, OPAL_CMD_LINE_TYPE_STRING,
"Set the root for the session directory tree" },
{ "seed", NULL, NULL, '\0', NULL, "seed", 0,
NULL, OPAL_CMD_LINE_TYPE_BOOL,
"Host replicas for the core universe services"},
{ "universe", "persistence", NULL, '\0', NULL, "persistent", 0,
NULL, OPAL_CMD_LINE_TYPE_BOOL,
"Remain alive after the application process completes"},
{ "universe", "scope", NULL, '\0', NULL, "scope", 1,
NULL, OPAL_CMD_LINE_TYPE_STRING,
"Set restrictions on who can connect to this universe"},
{ NULL, NULL, NULL, '\0', NULL, "report-uri", 1,
&orted_globals.uri_pipe, OPAL_CMD_LINE_TYPE_INT,
"Report this process' uri on indicated pipe"},
{ NULL, NULL, NULL, '\0', NULL, "mpi-call-yield", 1,
&orted_globals.mpi_call_yield, OPAL_CMD_LINE_TYPE_INT,
"Have MPI (or similar) applications call yield when idle" },
/* End of list */
{ NULL, NULL, NULL, '\0', NULL, NULL, 0,
NULL, OPAL_CMD_LINE_TYPE_NULL, NULL }
};
int main(int argc, char *argv[])
{
int ret = 0;
int fd;
opal_cmd_line_t *cmd_line = NULL;
char *log_path = NULL;
char log_file[PATH_MAX];
char *jobidstring;
/* setup to check common command line options that just report and die */
memset(&orted_globals, 0, sizeof(orted_globals_t));
cmd_line = OBJ_NEW(opal_cmd_line_t);
opal_cmd_line_create(cmd_line, orte_cmd_line_opts);
if (ORTE_SUCCESS != (ret = opal_cmd_line_parse(cmd_line, false,
argc, argv))) {
char *args = NULL;
args = opal_cmd_line_get_usage_msg(cmd_line);
opal_show_help("help-orted.txt", "orted:usage", false,
argv[0], args);
free(args);
return ret;
}
/* check for help request */
if (orted_globals.help) {
char *args = NULL;
args = opal_cmd_line_get_usage_msg(cmd_line);
opal_show_help("help-orted.txt", "orted:usage", false,
argv[0], args);
free(args);
return 1;
}
/* Okay, now on to serious business
* First, ensure the process info structure in instantiated and initialized
* and set the daemon flag to true
*/
orte_process_info.daemon = true;
/*
* If the daemon was given a name on the command line, need to set the
* proper indicators in the environment so the name discovery service
* can find it
*/
if (orted_globals.name) {
if (ORTE_SUCCESS != (ret = opal_setenv("OMPI_MCA_ns_nds",
"env", true, &environ))) {
opal_show_help("help-orted.txt", "orted:environ", false,
"OMPI_MCA_ns_nds", "env", ret);
return ret;
}
if (ORTE_SUCCESS != (ret = opal_setenv("OMPI_MCA_ns_nds_name",
orted_globals.name, true, &environ))) {
opal_show_help("help-orted.txt", "orted:environ", false,
"OMPI_MCA_ns_nds_name", orted_globals.name, ret);
return ret;
}
/* the following values are meaningless to the daemon, but may have
* been passed in anyway. we set them here because the nds_env component
* requires that they be set
*/
if (ORTE_SUCCESS != (ret = opal_setenv("OMPI_MCA_ns_nds_vpid_start",
orted_globals.vpid_start, true, &environ))) {
opal_show_help("help-orted.txt", "orted:environ", false,
"OMPI_MCA_ns_nds_vpid_start", orted_globals.vpid_start, ret);
return ret;
}
if (ORTE_SUCCESS != (ret = opal_setenv("OMPI_MCA_ns_nds_num_procs",
orted_globals.num_procs, true, &environ))) {
opal_show_help("help-orted.txt", "orted:environ", false,
"OMPI_MCA_ns_nds_num_procs", orted_globals.num_procs, ret);
return ret;
}
}
if (orted_globals.ns_nds) {
if (ORTE_SUCCESS != (ret = opal_setenv("OMPI_MCA_ns_nds",
orted_globals.ns_nds, true, &environ))) {
opal_show_help("help-orted.txt", "orted:environ", false,
"OMPI_MCA_ns_nds", "env", ret);
return ret;
}
}
/* turn on debug if debug_file is requested so output will be generated */
if (orted_globals.debug_daemons_file) {
orted_globals.debug_daemons = true;
}
/* detach from controlling terminal
* otherwise, remain attached so output can get to us
*/
if(orted_globals.debug == false &&
orted_globals.debug_daemons == false &&
orted_globals.no_daemonize == false) {
opal_daemon_init(NULL);
}
/* Intialize the Open RTE */
/* Set the flag telling orte_init that I am NOT a
* singleton, but am "infrastructure" - prevents setting
* up incorrect infrastructure that only a singleton would
* require
*/
if (ORTE_SUCCESS != (ret = orte_init(true))) {
opal_show_help("help-orted.txt", "orted:init-failure", false,
"orte_init()", ret);
return ret;
}
/* Set signal handlers to catch kill signals so we can properly clean up
* after ourselves.
*/
opal_event_set(&term_handler, SIGTERM, OPAL_EV_SIGNAL,
signal_callback, NULL);
opal_event_add(&term_handler, NULL);
opal_event_set(&int_handler, SIGINT, OPAL_EV_SIGNAL,
signal_callback, NULL);
opal_event_add(&int_handler, NULL);
/* if requested, report my uri to the indicated pipe */
if (orted_globals.uri_pipe > 0) {
write(orted_globals.uri_pipe, orte_universe_info.seed_uri,
strlen(orte_universe_info.seed_uri)+1); /* need to add 1 to get the NULL */
close(orted_globals.uri_pipe);
}
/* setup stdout/stderr */
if (orted_globals.debug_daemons_file) {
/* if we are debugging to a file, then send stdout/stderr to
* the orted log file
*/
/* get my jobid */
if (ORTE_SUCCESS != (ret = orte_ns.get_jobid_string(&jobidstring,
orte_process_info.my_name))) {
ORTE_ERROR_LOG(ret);
return ret;
}
/* define a log file name in the session directory */
sprintf(log_file, "output-orted-%s-%s.log",
jobidstring, orte_system_info.nodename);
log_path = opal_os_path(false,
orte_process_info.tmpdir_base,
orte_process_info.top_session_dir,
log_file,
NULL);
fd = open(log_path, O_RDWR|O_CREAT|O_TRUNC, 0640);
if (fd < 0) {
/* couldn't open the file for some reason, so
* just connect everything to /dev/null
*/
fd = open("/dev/null", O_RDWR|O_CREAT|O_TRUNC, 0666);
} else {
dup2(fd, STDOUT_FILENO);
dup2(fd, STDERR_FILENO);
if(fd != STDOUT_FILENO && fd != STDERR_FILENO) {
close(fd);
}
}
}
/* setup the thread lock and condition variable */
OBJ_CONSTRUCT(&orted_globals.mutex, opal_mutex_t);
OBJ_CONSTRUCT(&orted_globals.condition, opal_condition_t);
/* check to see if I'm a bootproxy */
if (orted_globals.bootproxy) { /* perform bootproxy-specific things */
if (orted_globals.mpi_call_yield > 0) {
char *var;
var = mca_base_param_environ_variable("mpi", NULL, "yield_when_idle");
opal_setenv(var, "1", true, &environ);
}
/* setup callback on jobid */
ret = orte_rmgr_base_proc_stage_gate_subscribe(orted_globals.bootproxy, job_state_callback, NULL, ORTE_PROC_STATE_TERMINATION);
if(ORTE_SUCCESS != ret) {
ORTE_ERROR_LOG(ret);
return ret;
}
if (ORTE_SUCCESS != (ret = orte_rmgr.launch(orted_globals.bootproxy))) {
/* cleanup session directory */
orte_session_dir_cleanup(orted_globals.bootproxy);
/* Finalize the runtime - don't worry about error codes at this point */
orte_finalize();
exit(ret);
}
/* setup and enter the event monitor */
OPAL_THREAD_LOCK(&orted_globals.mutex);
while (false == orted_globals.exit_condition) {
opal_condition_wait(&orted_globals.condition, &orted_globals.mutex);
}
OPAL_THREAD_UNLOCK(&orted_globals.mutex);
/* cleanup session directory */
orte_session_dir_cleanup(orted_globals.bootproxy);
/* Finalize and clean up */
if (ORTE_SUCCESS != (ret = orte_finalize())) {
ORTE_ERROR_LOG(ret);
}
exit(ret);
}
/*
* Set my process status to "starting". Note that this must be done
* after the rte init is completed.
*/
if (ORTE_SUCCESS != (ret = orte_smr.set_proc_state(orte_process_info.my_name,
ORTE_PROC_STATE_RUNNING, 0))) {
ORTE_ERROR_LOG(ret);
return ret;
}
if (orted_globals.debug_daemons) {
opal_output(0, "[%lu,%lu,%lu] ompid: issuing callback", ORTE_NAME_ARGS(orte_process_info.my_name));
}
/* register the daemon main callback function */
ret = orte_rml.recv_buffer_nb(ORTE_RML_NAME_ANY, ORTE_RML_TAG_DAEMON, 0, orte_daemon_recv, NULL);
if (ret != ORTE_SUCCESS && ret != ORTE_ERR_NOT_IMPLEMENTED) {
ORTE_ERROR_LOG(ret);
return ret;
}
/* go through the universe fields and see what else I need to do
* - could be setup a virtual machine, spawn a console, etc.
*/
if (orted_globals.debug_daemons) {
opal_output(0, "[%lu,%lu,%lu] ompid: setting up event monitor", ORTE_NAME_ARGS(orte_process_info.my_name));
}
/* setup and enter the event monitor */
OPAL_THREAD_LOCK(&orted_globals.mutex);
while (false == orted_globals.exit_condition) {
opal_condition_wait(&orted_globals.condition, &orted_globals.mutex);
}
OPAL_THREAD_UNLOCK(&orted_globals.mutex);
if (orted_globals.debug_daemons) {
opal_output(0, "[%lu,%lu,%lu] ompid: mutex cleared - finalizing", ORTE_NAME_ARGS(orte_process_info.my_name));
}
/* cleanup */
if (NULL != log_path) {
unlink(log_path);
}
/* finalize the system */
orte_finalize();
if (orted_globals.debug_daemons) {
opal_output(0, "[%lu,%lu,%lu] ompid: done - exiting", ORTE_NAME_ARGS(orte_process_info.my_name));
}
exit(0);
}
static void signal_callback(int fd, short flags, void *arg)
{
OPAL_TRACE(1);
orted_globals.exit_condition = true;
opal_condition_signal(&orted_globals.condition);
}
static void orte_daemon_recv(int status, orte_process_name_t* sender,
orte_buffer_t *buffer, orte_rml_tag_t tag,
void* cbdata)
{
orte_buffer_t *answer;
orte_daemon_cmd_flag_t command;
int ret;
orte_std_cntr_t n;
char *contact_info;
OPAL_TRACE(1);
OPAL_THREAD_LOCK(&orted_globals.mutex);
if (orted_globals.debug_daemons) {
opal_output(0, "[%lu,%lu,%lu] ompid: received message", ORTE_NAME_ARGS(orte_process_info.my_name));
}
answer = OBJ_NEW(orte_buffer_t);
if (NULL == answer) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
goto DONE;
}
n = 1;
if (ORTE_SUCCESS != (ret = orte_dss.unpack(buffer, &command, &n, ORTE_DAEMON_CMD))) {
ORTE_ERROR_LOG(ret);
goto CLEANUP;
}
/**** EXIT COMMAND ****/
if (ORTE_DAEMON_EXIT_CMD == command) {
orted_globals.exit_condition = true;
opal_condition_signal(&orted_globals.condition);
goto CLEANUP;
/**** CONTACT QUERY COMMAND ****/
} else if (ORTE_DAEMON_CONTACT_QUERY_CMD == command) {
/* send back contact info */
contact_info = orte_rml.get_uri();
if (NULL == contact_info) {
ORTE_ERROR_LOG(ORTE_ERROR);
goto CLEANUP;
}
if (ORTE_SUCCESS != (ret = orte_dss.pack(answer, &contact_info, 1, ORTE_STRING))) {
ORTE_ERROR_LOG(ret);
goto CLEANUP;
}
if (0 > orte_rml.send_buffer(sender, answer, tag, 0)) {
ORTE_ERROR_LOG(ORTE_ERR_COMM_FAILURE);
}
goto CLEANUP;
/**** HOSTFILE COMMAND ****/
} else if (ORTE_DAEMON_HOSTFILE_CMD == command) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_IMPLEMENTED);
goto CLEANUP;
/**** SCRIPTFILE COMMAND ****/
} else if (ORTE_DAEMON_SCRIPTFILE_CMD == command) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_IMPLEMENTED);
goto CLEANUP;
/**** HEARTBEAT COMMAND ****/
} else if (ORTE_DAEMON_HEARTBEAT_CMD == command) {
ORTE_ERROR_LOG(ORTE_ERR_NOT_IMPLEMENTED);
goto CLEANUP;
}
CLEANUP:
OBJ_RELEASE(answer);
DONE:
OPAL_THREAD_UNLOCK(&orted_globals.mutex);
/* reissue the non-blocking receive */
ret = orte_rml.recv_buffer_nb(ORTE_RML_NAME_ANY, ORTE_RML_TAG_DAEMON, 0, orte_daemon_recv, NULL);
if (ret != ORTE_SUCCESS && ret != ORTE_ERR_NOT_IMPLEMENTED) {
ORTE_ERROR_LOG(ret);
}
return;
}
/* Function callback on jobid state changes.
* This is closely modeled after orte_rmgr_proxy_callback in rmgr_proxy.c
*/
void job_state_callback(orte_gpr_notify_data_t *data, void *cbdata)
{
orte_gpr_value_t **values, *value;
orte_gpr_keyval_t** keyvals;
orte_jobid_t jobid;
orte_std_cntr_t i, j, k;
int rc;
OPAL_TRACE(1);
/* we made sure in the subscriptions that at least one
* value is always returned
* get the jobid from the segment name in the first value
*/
values = (orte_gpr_value_t**)(data->values)->addr;
if (ORTE_SUCCESS != (rc =
orte_schema.extract_jobid_from_segment_name(&jobid,
values[0]->segment))) {
ORTE_ERROR_LOG(rc);
return;
}
for (i = 0, k = 0; k < (data->cnt) && i < (data->values)->size; ++i) {
if (NULL != values[i]) {
k++;
value = values[i];
/* determine the state change */
keyvals = value->keyvals;
for (j = 0; j < value->cnt; ++j) {
orte_gpr_keyval_t* keyval = keyvals[j];
if(strcmp(keyval->key, ORTE_PROC_NUM_TERMINATED) == 0) {
OPAL_THREAD_LOCK(&orted_globals.mutex);
if (orted_globals.debug) {
opal_output(0, "orted: job_state_callback(jobid = %d, state = ORTE_PROC_STATE_TERMINATED)\n",
jobid);
}
orted_globals.exit_condition = true;
opal_condition_signal(&orted_globals.condition);
OPAL_THREAD_UNLOCK(&orted_globals.mutex);
continue;
}
else if(strcmp(keyval->key, ORTE_PROC_NUM_ABORTED) == 0) {
OPAL_THREAD_LOCK(&orted_globals.mutex);
if (orted_globals.debug) {
opal_output(0, "orted: job_state_callback(jobid = %d, state = ORTE_PROC_STATE_ABORTED)\n",
jobid);
}
orted_globals.exit_condition = true;
opal_condition_signal(&orted_globals.condition);
OPAL_THREAD_UNLOCK(&orted_globals.mutex);
continue;
}
else {
if (orted_globals.debug) {
opal_output(0, "orted: job_state_callback(jobid = %d, state = %d)\n",
jobid, keyval->key);
}
}
}
}
}
return;
}