int main(int argc, char *argv[])
{
char diagnosis[DRMAA_ERROR_STRING_BUFFER];
const char *all_jobids[NBULKS*JOB_CHUNK + JOB_CHUNK+1];
char jobid[100];
int drmaa_errno, i, pos = 0;
const char *job_path;
drmaa_job_template_t *jt;
if (argc<2) {
fprintf(stderr, "usage: example <path-to-job>\n");
return 1;
}
job_path = argv[1];
if (drmaa_init(NULL, diagnosis, sizeof(diagnosis)-1) != DRMAA_ERRNO_SUCCESS) {
fprintf(stderr, "drmaa_init() failed: %s\n", diagnosis);
return 1;
}
/*
* submit some bulk jobs
*/
if (!(jt = create_job_template(job_path, 5, 1))) {
fprintf(stderr, "create_job_template() failed\n");
return 1;
}
for (i=0; i<NBULKS; i++) {
drmaa_job_ids_t *jobids;
int j;
while ((drmaa_errno=drmaa_run_bulk_jobs(&jobids, jt, 1, JOB_CHUNK, 1, diagnosis,
sizeof(diagnosis)-1))==DRMAA_ERRNO_DRM_COMMUNICATION_FAILURE) {
fprintf(stderr, "drmaa_run_bulk_jobs() failed - retry: %s %s\n", diagnosis, drmaa_strerror(drmaa_errno));
sleep(1);
}
if (drmaa_errno != DRMAA_ERRNO_SUCCESS) {
fprintf(stderr, "drmaa_run_bulk_jobs() failed: %s %s\n", diagnosis, drmaa_strerror(drmaa_errno));
return 1;
}
printf("submitted bulk job with jobids:\n");
for (j=0; j<JOB_CHUNK; j++) {
drmaa_get_next_job_id(jobids, jobid, sizeof(jobid)-1);
all_jobids[pos++] = strdup(jobid);
printf("\t \"%s\"\n", jobid);
}
drmaa_release_job_ids(jobids);
}
drmaa_delete_job_template(jt, NULL, 0);
/*
* submit some sequential jobs
*/
if (!(jt = create_job_template(job_path, 5, 0))) {
fprintf(stderr, "create_sleeper_job_template() failed\n");
return 1;
}
for (i=0; i<JOB_CHUNK; i++) {
while ((drmaa_errno=drmaa_run_job(jobid, sizeof(jobid)-1, jt, diagnosis,
sizeof(diagnosis)-1)) == DRMAA_ERRNO_DRM_COMMUNICATION_FAILURE) {
fprintf(stderr, "drmaa_run_job() failed - retry: %s\n", diagnosis);
sleep(1);
}
if (drmaa_errno != DRMAA_ERRNO_SUCCESS) {
fprintf(stderr, "drmaa_run_job() failed: %s\n", diagnosis);
return 1;
}
printf("\t \"%s\"\n", jobid);
all_jobids[pos++] = strdup(jobid);
}
/* set string array end mark */
all_jobids[pos] = NULL;
drmaa_delete_job_template(jt, NULL, 0);
/*
* synchronize with all jobs
*/
drmaa_errno = drmaa_synchronize(all_jobids, DRMAA_TIMEOUT_WAIT_FOREVER, 0, diagnosis, sizeof(diagnosis)-1);
if (drmaa_errno != DRMAA_ERRNO_SUCCESS) {
fprintf(stderr, "drmaa_synchronize(DRMAA_JOB_IDS_SESSION_ALL, dispose) failed: %s\n", diagnosis);
return 1;
}
printf("synchronized with all jobs\n");
/*
* wait all those jobs
*/
for (pos=0; pos<NBULKS*JOB_CHUNK + JOB_CHUNK; pos++) {
int stat;
int aborted, exited, exit_status, signaled;
drmaa_errno = drmaa_wait(all_jobids[pos], jobid, sizeof(jobid)-1,
&stat, DRMAA_TIMEOUT_WAIT_FOREVER, NULL, diagnosis, sizeof(diagnosis)-1);
if (drmaa_errno != DRMAA_ERRNO_SUCCESS) {
fprintf(stderr, "drmaa_wait(%s) failed: %s\n", all_jobids[pos], diagnosis);
return 1;
}
/*
* report how job finished
*/
drmaa_wifaborted(&aborted, stat, NULL, 0);
if (aborted)
printf("job \"%s\" never ran\n", all_jobids[pos]);
else {
drmaa_wifexited(&exited, stat, NULL, 0);
if (exited) {
drmaa_wexitstatus(&exit_status, stat, NULL, 0);
printf("job \"%s\" finished regularly with exit status %d\n",
all_jobids[pos], exit_status);
} else {
drmaa_wifsignaled(&signaled, stat, NULL, 0);
if (signaled) {
char termsig[DRMAA_SIGNAL_BUFFER+1];
drmaa_wtermsig(termsig, DRMAA_SIGNAL_BUFFER, stat, NULL, 0);
printf("job \"%s\" finished due to signal %s\n",
all_jobids[pos], termsig);
} else
printf("job \"%s\" finished with unclear conditions\n",
all_jobids[pos]);
}
}
}
if (drmaa_exit(diagnosis, sizeof(diagnosis)-1) != DRMAA_ERRNO_SUCCESS) {
fprintf(stderr, "drmaa_exit() failed: %s\n", diagnosis);
return 1;
}
return 0;
}
static void
validate_jobs(drmaa_job_ids_t *jobids_a, int chunks_a, drmaa_job_ids_t *jobids_b, int chunks_b)
{
int j, status, drmaa_errno;
char jobid[512];
const char *all_jobs[] = { "DRMAA_JOB_IDS_SESSION_ALL" };
char **ids_a, **ids_b;
printf("JobA: chunksize %d chunks %d\n", chunks_a, BULK_SIZE/chunks_a);
printf("JobB: chunksize %d chunks %d\n", chunks_b, BULK_SIZE/chunks_b);
ids_a = (char **)malloc(sizeof(char *)*BULK_SIZE/chunks_a);
ids_b = (char **)malloc(sizeof(char *)*BULK_SIZE/chunks_b);
if (!ids_a || !ids_b) {
fprintf(stderr, "malloc() failed\n");
exit(1);
}
/* dup job A ids and verify user hold due to -h */
for (j = 0; j < BULK_SIZE/chunks_a; j++) {
drmaa_errno = drmaa_get_next_job_id(jobids_a, jobid, sizeof(jobid)-1);
if (drmaa_errno != DRMAA_ERRNO_SUCCESS) {
fprintf(stderr, "drmaa_get_next_job_id failed: %s\n", errorbuf);
exit(1);
}
/* drmaa_job_ps(3) to return either DRMAA_PS_SYSTEM_ON_HOLD or DRMAA_PS_USER_SYSTEM_ON_HOLD for
* array tasks that are in hold due to -hold_jid_ad wc_job_list */
drmaa_errno = drmaa_job_ps(jobid, &status, errorbuf, sizeof(errorbuf)-1);
if (drmaa_errno != DRMAA_ERRNO_SUCCESS) {
fprintf(stderr, "drmaa_job_ps failed: %s\n", errorbuf);
exit(1);
}
if (status != DRMAA_PS_USER_ON_HOLD) {
fprintf(stderr, "drmaa_job_ps failed: didn't return DRMAA_PS_USER_ON_HOLD but %d\n", status);
exit(1);
}
ids_a[j] = strdup(jobid);
}
/* dup job B ids and verify system hold due to -hold_jid_ad */
for (j = 0; j < BULK_SIZE/chunks_b; j++) {
drmaa_errno = drmaa_get_next_job_id(jobids_b, jobid, sizeof(jobid)-1);
if (drmaa_errno != DRMAA_ERRNO_SUCCESS) {
fprintf(stderr, "drmaa_get_next_job_id failed: %s\n", errorbuf);
exit(1);
}
/* drmaa_job_ps(3) to return either DRMAA_PS_SYSTEM_ON_HOLD or DRMAA_PS_USER_SYSTEM_ON_HOLD for
* array tasks that are in hold due to -hold_jid_ad wc_job_list */
drmaa_errno = drmaa_job_ps(jobid, &status, errorbuf, sizeof(errorbuf)-1);
if (drmaa_errno != DRMAA_ERRNO_SUCCESS) {
fprintf(stderr, "drmaa_job_ps failed: %s\n", errorbuf);
exit(1);
}
if (status != DRMAA_PS_SYSTEM_ON_HOLD &&
status != DRMAA_PS_USER_SYSTEM_ON_HOLD) {
fprintf(stderr, "drmaa_job_ps(%s) failed: didn't return DRMAA_PS_SYSTEM_ON_HOLD or DRMAA_PS_USER_SYSTEM_ON_HOLD but %d\n",
jobid, status);
exit(1);
}
ids_b[j] = strdup(jobid);
}
state_monitor(ids_a, chunks_a, ids_b, chunks_b);
/* release job A */
for (j = 0; j < BULK_SIZE/chunks_a; j++) {
printf("drmaa_control(%s, DRMAA_CONTROL_RELEASE)\n", ids_a[j]);
if (drmaa_control(ids_a[j], DRMAA_CONTROL_RELEASE, errorbuf, sizeof(errorbuf)-1) != DRMAA_ERRNO_SUCCESS) {
fprintf(stderr, "drmaa_job_ps failed: %s\n", errorbuf);
exit(1);
}
}
while (drmaa_synchronize(all_jobs, 1, 0, errorbuf, sizeof(errorbuf)-1)==DRMAA_ERRNO_EXIT_TIMEOUT) {
state_monitor(ids_a, chunks_a, ids_b, chunks_b);
}
state_monitor(ids_a, chunks_a, ids_b, chunks_b);
for (j = 0; j < BULK_SIZE/chunks_a; j++) {
sge_free(&(ids_a[j]));
}
sge_free(&ids_a);
for (j = 0; j < BULK_SIZE/chunks_b; j++) {
sge_free(&(ids_b[j]));
}
sge_free(&ids_b);
}
int launch (const char* script, const char* arg_vec[], int num_tasks) {
char error[DRMAA_ERROR_STRING_BUFFER];
int errnum = 0;
drmaa_job_template_t *jt = NULL;
errnum = drmaa_init (NULL, error, DRMAA_ERROR_STRING_BUFFER);
if (errnum != DRMAA_ERRNO_SUCCESS) {
fprintf (stderr, "Could not initialize the DRMAA library: %s\n", error);
return 1;
}
errnum = drmaa_allocate_job_template (&jt, error, DRMAA_ERROR_STRING_BUFFER);
if (errnum != DRMAA_ERRNO_SUCCESS) {
fprintf (stderr, "Could not create job template: %s\n", error);
}
else {
errnum = drmaa_set_attribute (jt, DRMAA_REMOTE_COMMAND, script,
error, DRMAA_ERROR_STRING_BUFFER);
if (errnum != DRMAA_ERRNO_SUCCESS) {
fprintf (stderr, "Could not set attribute \"%s\": %s\n",
DRMAA_REMOTE_COMMAND, error);
}
else {
errnum = drmaa_set_vector_attribute (jt, DRMAA_V_ARGV, arg_vec, error,
DRMAA_ERROR_STRING_BUFFER);
}
if (errnum != DRMAA_ERRNO_SUCCESS) {
fprintf (stderr, "Could not set attribute \"%s\": %s\n",
DRMAA_REMOTE_COMMAND, error);
}else {
drmaa_job_ids_t *ids = NULL;
errnum = drmaa_run_bulk_jobs (&ids, jt, 1, num_tasks, 1, error, DRMAA_ERROR_STRING_BUFFER);
if (errnum != DRMAA_ERRNO_SUCCESS) {
fprintf (stderr, "Could not submit job: %s\n", error);
}else {
char jobid[DRMAA_JOBNAME_BUFFER];
const char *jobids[2] = {DRMAA_JOB_IDS_SESSION_ALL, NULL};
while (drmaa_get_next_job_id (ids, jobid, DRMAA_JOBNAME_BUFFER) == DRMAA_ERRNO_SUCCESS) {
printf ("A job task has been submitted with id %s\n", jobid);
}
errnum = drmaa_synchronize (jobids, DRMAA_TIMEOUT_WAIT_FOREVER,
1, error, DRMAA_ERROR_STRING_BUFFER);
if (errnum != DRMAA_ERRNO_SUCCESS) {
fprintf (stderr, "Could not wait for jobs: %s\n", error);
}else {
printf ("All job tasks have finished.\n");
}
}
drmaa_release_job_ids (ids);
} /* else */
errnum = drmaa_delete_job_template (jt, error, DRMAA_ERROR_STRING_BUFFER);
if (errnum != DRMAA_ERRNO_SUCCESS) {
fprintf (stderr, "Could not delete job template: %s\n", error);
}
} /* else */
errnum = drmaa_exit (error, DRMAA_ERROR_STRING_BUFFER);
if (errnum != DRMAA_ERRNO_SUCCESS) {
fprintf (stderr, "Could not shut down the DRMAA library: %s\n", error);
return 1;
}
return 0;
}
