static void post_modify_req(
struct work_task *pwt)
{
struct batch_request *preq;
job *pjob;
svr_disconnect(pwt->wt_event); /* close connection to MOM */
preq = pwt->wt_parm1;
preq->rq_conn = preq->rq_orgconn; /* restore socket to client */
if ((preq->rq_reply.brp_code) && (preq->rq_reply.brp_code != PBSE_UNKJOBID))
{
sprintf(log_buffer, msg_mombadmodify, preq->rq_reply.brp_code);
log_event(
PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
preq->rq_ind.rq_modify.rq_objname,
log_buffer);
req_reject(preq->rq_reply.brp_code, 0, preq, NULL, NULL);
}
else
{
if (preq->rq_reply.brp_code == PBSE_UNKJOBID)
{
if ((pjob = find_job(preq->rq_ind.rq_modify.rq_objname)) == NULL)
{
req_reject(preq->rq_reply.brp_code, 0, preq, NULL, NULL);
return;
}
else
{
if (LOGLEVEL >= 0)
{
sprintf(log_buffer, "post_modify_req: PBSE_UNKJOBID for job %s in state %s-%s, dest = %s",
(pjob->ji_qs.ji_jobid != NULL) ? pjob->ji_qs.ji_jobid : "",
PJobState[pjob->ji_qs.ji_state],
PJobSubState[pjob->ji_qs.ji_substate],
pjob->ji_qs.ji_destin);
LOG_EVENT(
PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
pjob->ji_qs.ji_jobid,
log_buffer);
}
}
}
reply_ack(preq);
}
return;
} /* END post_modify_req() */
void
release_req(struct work_task *pwt)
{
free_br((struct batch_request *)pwt->wt_parm1);
if (pwt->wt_event != -1 && pwt->wt_aux2 != 1) /* not rpp */
svr_disconnect(pwt->wt_event);
}
static void post_message_req(
struct work_task *pwt)
{
struct batch_request *preq;
char log_buf[LOCAL_LOG_BUF_SIZE];
svr_disconnect(pwt->wt_event); /* close connection to MOM */
preq = get_remove_batch_request(pwt->wt_parm1);
free(pwt->wt_mutex);
free(pwt);
/* preq has been hadnled previously */
if (preq == NULL)
return;
preq->rq_conn = preq->rq_orgconn; /* restore socket to client */
sprintf(log_buf, msg_messagejob, preq->rq_reply.brp_code);
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB, preq->rq_ind.rq_message.rq_jid, log_buf);
if (preq->rq_reply.brp_code)
req_reject(preq->rq_reply.brp_code, 0, preq, NULL, NULL);
else
reply_ack(preq);
} /* END post_message_req() */
static void process_checkpoint_reply(
struct work_task *pwt)
{
job *pjob;
struct batch_request *preq;
svr_disconnect(pwt->wt_event); /* close connection to MOM */
preq = pwt->wt_parm1;
preq->rq_conn = preq->rq_orgconn; /* restore client socket */
if ((pjob = find_job(preq->rq_ind.rq_manager.rq_objname)) == (job *)0)
{
LOG_EVENT(PBSEVENT_DEBUG, PBS_EVENTCLASS_JOB,
preq->rq_ind.rq_manager.rq_objname,
msg_postmomnojob);
req_reject(PBSE_UNKJOBID, 0, preq, NULL, msg_postmomnojob);
}
else
{
/* record that MOM has a checkpoint file */
account_record(PBS_ACCT_CHKPNT, pjob, "Checkpointed"); /* note in accounting file */
reply_ack(preq);
}
}
void release_req(
struct work_task *pwt)
{
free_br((struct batch_request *)pwt->wt_parm1);
if (pwt->wt_event != -1)
svr_disconnect(pwt->wt_event);
return;
}
void release_req(
struct work_task *pwt)
{
batch_request *preq;
char *br_id = pwt->wt_parm1;
if ((preq = get_remove_batch_request(br_id)) != NULL)
free_br(preq);
if (pwt->wt_event != -1)
svr_disconnect(pwt->wt_event);
free(pwt->wt_mutex);
free(pwt);
} /* END release_req() */
static void
post_message_req(struct work_task *pwt)
{
struct batch_request *preq;
if (pwt->wt_aux2 != 1) /* not rpp */
svr_disconnect(pwt->wt_event); /* close connection to MOM */
preq = pwt->wt_parm1;
preq->rq_conn = preq->rq_orgconn; /* restore socket to client */
(void)sprintf(log_buffer, msg_messagejob, preq->rq_reply.brp_code);
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB, LOG_INFO,
preq->rq_ind.rq_message.rq_jid, log_buffer);
if (preq->rq_reply.brp_code)
req_reject(preq->rq_reply.brp_code, 0, preq);
else
reply_ack(preq);
}
static void
post_py_spawn_req(struct work_task *pwt)
{
struct batch_request *preq;
char tmp_buf[128] = "";
if (pwt->wt_aux2 != 1) /* not rpp */
svr_disconnect(pwt->wt_event); /* close connection to MOM */
preq = pwt->wt_parm1;
preq->rq_conn = preq->rq_orgconn; /* restore socket to client */
if (preq->rq_reply.brp_code == 0)
sprintf(tmp_buf, " exit value %d", preq->rq_reply.brp_auxcode);
sprintf(log_buffer, "Python spawn status %d%s",
preq->rq_reply.brp_code, tmp_buf);
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB, LOG_INFO,
preq->rq_ind.rq_py_spawn.rq_jid, log_buffer);
reply_send(preq);
}
static void process_gpu_request_reply(
struct work_task *pwt)
{
char *id = "process_gpu_request_reply";
struct batch_request *preq;
svr_disconnect(pwt->wt_event); /* close connection to MOM */
preq = pwt->wt_parm1;
preq->rq_conn = preq->rq_orgconn; /* restore client socket */
if (preq->rq_reply.brp_code != 0)
{
sprintf(log_buffer,
"MOM failed on GPU request, rc = %d",
preq->rq_reply.brp_code);
log_err(errno, id, log_buffer);
req_reject(preq->rq_reply.brp_code, 0, preq, NULL, log_buffer);
}
else
{
/* record that MOM changed gpu mode */
if (LOGLEVEL >= 7)
{
sprintf(
log_buffer,
"GPU control request completed for node %s gpuid %s mode %d reset_perm %d reset_vol %d",
preq->rq_ind.rq_gpuctrl.rq_momnode,
preq->rq_ind.rq_gpuctrl.rq_gpuid,
preq->rq_ind.rq_gpuctrl.rq_gpumode,
preq->rq_ind.rq_gpuctrl.rq_reset_perm,
preq->rq_ind.rq_gpuctrl.rq_reset_vol);
log_ext(-1, id, log_buffer, LOG_INFO);
}
reply_ack(preq);
}
}
static void process_checkpoint_reply(
struct work_task *pwt)
{
job *pjob;
struct batch_request *preq;
svr_disconnect(pwt->wt_event); /* close connection to MOM */
preq = get_remove_batch_request(pwt->wt_parm1);
free(pwt->wt_mutex);
free(pwt);
/* preq handled previously */
if (preq == NULL)
return;
preq->rq_conn = preq->rq_orgconn; /* restore client socket */
if ((pjob = svr_find_job(preq->rq_ind.rq_manager.rq_objname, FALSE)) == NULL)
{
log_event(PBSEVENT_DEBUG, PBS_EVENTCLASS_JOB,
preq->rq_ind.rq_manager.rq_objname,
msg_postmomnojob);
req_reject(PBSE_UNKJOBID, 0, preq, NULL, msg_postmomnojob);
}
else
{
/* record that MOM has a checkpoint file */
account_record(PBS_ACCT_CHKPNT, pjob, "Checkpointed"); /* note in accounting file */
reply_ack(preq);
unlock_ji_mutex(pjob, __func__, "1", LOGLEVEL);
}
} /* END process_checkpoint_reply() */
static void
post_hold(struct work_task *pwt)
{
int code;
job *pjob;
struct batch_request *preq;
int conn_idx;
if (pwt->wt_aux2 != 1)
svr_disconnect(pwt->wt_event); /* close connection to MOM */
preq = pwt->wt_parm1;
code = preq->rq_reply.brp_code;
preq->rq_conn = preq->rq_orgconn; /* restore client socket */
if (pwt->wt_aux2 != 1) { /* not rpp */
conn_idx = connection_find_actual_index(preq->rq_conn);
if (conn_idx == -1) {
req_reject(PBSE_SYSTEM, 0, preq);
return;
}
svr_conn[conn_idx].cn_authen &= ~PBS_NET_CONN_NOTIMEOUT;
}
pjob = find_job(preq->rq_ind.rq_hold.rq_orig.rq_objname);
if (pjob == (job *)0) {
log_event(PBSEVENT_DEBUG, PBS_EVENTCLASS_JOB, LOG_DEBUG,
preq->rq_ind.rq_hold.rq_orig.rq_objname,
msg_postmomnojob);
req_reject(PBSE_UNKJOBID, 0, preq);
return;
}
if (code != 0) {
if (code != PBSE_CKPBSY)
pjob->ji_qs.ji_substate = JOB_SUBSTATE_RUNNING; /* reset it */
if (code != PBSE_NOSUP) {
/* a "real" error - log message with return error code */
(void)sprintf(log_buffer, msg_mombadhold, code);
log_event(PBSEVENT_DEBUG, PBS_EVENTCLASS_JOB, LOG_DEBUG,
pjob->ji_qs.ji_jobid, log_buffer);
/* send message back to server for display to user */
reply_text(preq, code, log_buffer);
return;
}
} else if (code == 0) {
/* record that MOM has a checkpoint file */
if (preq->rq_reply.brp_auxcode) /* chkpt can be moved */
pjob->ji_qs.ji_svrflags =
(pjob->ji_qs.ji_svrflags & ~JOB_SVFLG_CHKPT) |
JOB_SVFLG_HASRUN | JOB_SVFLG_ChkptMig;
pjob->ji_modified = 1; /* indicate attributes changed */
(void)job_save(pjob, SAVEJOB_QUICK);
/* note in accounting file */
account_record(PBS_ACCT_CHKPNT, pjob, (char *)0);
}
reply_ack(preq);
}
static void post_modify_req(
struct work_task *pwt)
{
struct batch_request *preq;
job *pjob;
char log_buf[LOCAL_LOG_BUF_SIZE];
svr_disconnect(pwt->wt_event); /* close connection to MOM */
preq = get_remove_batch_request(pwt->wt_parm1);
free(pwt->wt_mutex);
free(pwt);
if (preq == NULL)
return;
preq->rq_conn = preq->rq_orgconn; /* restore socket to client */
if ((preq->rq_reply.brp_code) && (preq->rq_reply.brp_code != PBSE_UNKJOBID))
{
sprintf(log_buf, msg_mombadmodify, preq->rq_reply.brp_code);
log_event(
PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
preq->rq_ind.rq_modify.rq_objname,
log_buf);
req_reject(preq->rq_reply.brp_code, 0, preq, NULL, NULL);
}
else
{
if (preq->rq_reply.brp_code == PBSE_UNKJOBID)
{
if ((pjob = svr_find_job(preq->rq_ind.rq_modify.rq_objname, FALSE)) == NULL)
{
req_reject(preq->rq_reply.brp_code, 0, preq, NULL, NULL);
return;
}
else
{
if (LOGLEVEL >= 0)
{
sprintf(log_buf, "post_modify_req: PBSE_UNKJOBID for job %s in state %s-%s, dest = %s",
(pjob->ji_qs.ji_jobid != NULL) ? pjob->ji_qs.ji_jobid : "",
PJobState[pjob->ji_qs.ji_state],
PJobSubState[pjob->ji_qs.ji_substate],
pjob->ji_qs.ji_destin);
log_event(PBSEVENT_JOB,PBS_EVENTCLASS_JOB,pjob->ji_qs.ji_jobid,log_buf);
}
unlock_ji_mutex(pjob, __func__, "1", LOGLEVEL);
}
}
reply_ack(preq);
}
return;
} /* END post_modify_req() */
/**
* @brief
* main - the initialization and main loop of pbs_daemon
*/
int
main(int argc, char *argv[])
{
char jobfile[MAXPATHLEN+1];
char jobfile_full[MAXPATHLEN+1];
pbs_net_t hostaddr = 0;
int port = -1;
int move_type = -1;
pbs_list_head attrl;
enum conn_type cntype = ToServerDIS;
int con = -1;
char *destin;
int encode_type;
int i;
job *jobp;
char job_id[PBS_MAXSVRJOBID+1];
attribute *pattr;
struct attropl *pqjatr; /* list (single) of attropl for quejob */
char script_name[MAXPATHLEN+1];
int in_server = -1;
char *param_name, *param_val;
char buf[4096];
struct hostent *hp;
struct in_addr addr;
char *credbuf = NULL;
size_t credlen = 0;
int prot = PROT_TCP;
/*the real deal or output version and exit?*/
execution_mode(argc, argv);
/* If we are not run with real and effective uid of 0, forget it */
pbs_loadconf(0);
if (!isAdminPrivilege(getlogin())) {
fprintf(stderr, "%s: Must be run by root\n", argv[0]);
exit(SEND_JOB_FATAL);
}
/* initialize the pointers in the resource_def array */
for (i = 0; i < (svr_resc_size - 1); ++i)
svr_resc_def[i].rs_next = &svr_resc_def[i+1];
/* last entry is left with null pointer */
/* set single threaded mode */
pbs_client_thread_set_single_threaded_mode();
/* disable attribute verification */
set_no_attribute_verification();
/* initialize the thread context */
if (pbs_client_thread_init_thread_context() != 0) {
fprintf(stderr, "%s: Unable to initialize thread context\n",
argv[0]);
exit(SEND_JOB_FATAL);
}
if(set_msgdaemonname("PBS_send_job")) {
fprintf(stderr, "Out of memory\n");
return 1;
}
winsock_init();
connection_init();
while (fgets(buf, sizeof(buf), stdin) != NULL) {
buf[strlen(buf)-1] = '\0'; /* gets rid of newline */
param_name = buf;
param_val = strchr(buf, '=');
if (param_val) {
*param_val = '\0';
param_val++;
} else { /* bad param_val -- skipping */
break;
}
if (strcmp(param_name, "jobfile") == 0) {
jobfile[0] = '\0';
strncpy(jobfile, param_val, MAXPATHLEN);
} else if (strcmp(param_name, "destaddr") == 0) {
hostaddr = atol(param_val);
} else if (strcmp(param_name, "destport") == 0) {
port = atoi(param_val);
} else if (strcmp(param_name, "move_type") == 0) {
move_type = atoi(param_val);
} else if (strcmp(param_name, "in_server") == 0) {
in_server = atoi(param_val);
} else if (strcmp(param_name, "server_name") == 0) {
server_name[0] = '\0';
strncpy(server_name, param_val, PBS_MAXSERVERNAME);
} else if (strcmp(param_name, "server_host") == 0) {
server_host[0] = '\0';
strncpy(server_host, param_val, (sizeof(server_host) - 1));
} else if (strcmp(param_name, "server_addr") == 0) {
pbs_server_addr = atol(param_val);
} else if (strcmp(param_name, "server_port") == 0) {
pbs_server_port_dis = atoi(param_val);
} else if (strcmp(param_name, "log_file") == 0) {
log_file = strdup(param_val);
} else if (strcmp(param_name, "path_log") == 0) {
path_log[0] = '\0';
strncpy(path_log, param_val, MAXPATHLEN);
} else if (strcmp(param_name, "path_jobs") == 0) {
path_jobs = strdup(param_val);
} else if (strcmp(param_name, "path_spool") == 0) {
path_spool = strdup(param_val);
} else if (strcmp(param_name, "path_rescdef") == 0) {
path_rescdef = strdup(param_val);
} else if (strcmp(param_name, "path_users") == 0) {
path_users = strdup(param_val);
} else if (strcmp(param_name, "path_hooks_workdir") == 0) {
path_hooks_workdir = strdup(param_val);
if (path_hooks_workdir == NULL)
exit(SEND_JOB_FATAL);
} else if (strcmp(param_name, "svr_history_enable") == 0) {
svr_history_enable = atol(param_val);
} else if (strcmp(param_name, "svr_history_duration") == 0) {
svr_history_duration = atol(param_val);
} else if (strcmp(param_name, "single_signon_password_enable") == 0) {
if (decode_b(&server.sv_attr[(int)SRV_ATR_ssignon_enable],
NULL, NULL, param_val) != 0) {
fprintf(stderr, "%s: failed to set ssignon_password_enable\n", argv[0]);
exit(SEND_JOB_FATAL);
}
} else if (strcmp(param_name, "script_name") == 0) {
strncpy(script_name, param_val, MAXPATHLEN + 1);
} else
break;
}
time(&time_now);
(void)log_open_main(log_file, path_log, 1); /* silent open */
if (setup_resc(1) == -1) {
/* log_buffer set in setup_resc */
log_err(-1, "pbsd_send_job(setup_resc)", log_buffer);
return (-1);
}
if( strlen(jobfile) == 0 || hostaddr == 0 || port == 0 || move_type == -1 || \
in_server == -1 || strlen(server_name) == 0 || strlen(server_host) == 0 || \
pbs_server_addr == 0 || pbs_server_port_dis == 0 || \
strlen(path_log) == 0 || path_jobs == NULL || \
path_spool == NULL || path_users == NULL ) {
log_err(-1, "pbs_send_job", "error on one of the parameters");
log_close(0); /* silent close */
exit(SEND_JOB_FATAL);
}
CLEAR_HEAD(task_list_immed);
CLEAR_HEAD(task_list_timed);
CLEAR_HEAD(task_list_event);
CLEAR_HEAD(svr_queues);
CLEAR_HEAD(svr_alljobs);
CLEAR_HEAD(svr_newjobs);
CLEAR_HEAD(svr_allresvs);
CLEAR_HEAD(svr_newresvs);
CLEAR_HEAD(svr_deferred_req);
CLEAR_HEAD(svr_unlicensedjobs);
strcpy(jobfile_full, path_jobs);
strcat(jobfile_full, jobfile);
if (chk_save_file(jobfile_full) != 0) {
sprintf(log_buffer, "Error opening jobfile=%s", jobfile);
log_err(-1, __func__, log_buffer);
goto fatal_exit;
}
if ((jobp=job_recov_fs(jobfile, RECOV_SUBJOB)) == NULL) {
sprintf(log_buffer, "Failed to recreate job in jobfile=%s", jobfile);
log_err(-1, __func__, log_buffer);
goto fatal_exit;
}
/* now delete the temp job file that was created by job_save_fs in server code
* jobs are in database now, no need to keep in filesystem
*/
unlink(jobfile_full);
if (in_server)
append_link(&svr_alljobs, &jobp->ji_alljobs, jobp);
/* select attributes/resources to send based on move type */
if (move_type == MOVE_TYPE_Exec) {
resc_access_perm = ATR_DFLAG_MOM;
encode_type = ATR_ENCODE_MOM;
cntype = ToServerDIS;
} else {
resc_access_perm = ATR_DFLAG_USWR | ATR_DFLAG_OPWR |
ATR_DFLAG_MGWR | ATR_DFLAG_SvRD;
encode_type = ATR_ENCODE_SVR;
svr_dequejob(jobp);
}
CLEAR_HEAD(attrl);
pattr = jobp->ji_wattr;
for (i=0; i < (int)JOB_ATR_LAST; i++) {
if ((job_attr_def+i)->at_flags & resc_access_perm) {
(void)(job_attr_def+i)->at_encode(pattr+i, &attrl,
(job_attr_def+i)->at_name, NULL,
encode_type, NULL);
}
}
attrl_fixlink(&attrl);
/* script name is passed from parent */
/* get host name */
pbs_loadconf(0);
addr.s_addr = htonl(hostaddr);
hp = gethostbyaddr((void *)&addr, sizeof(struct in_addr), AF_INET);
if (hp == NULL) {
sprintf(log_buffer, "%s: h_errno=%d",
inet_ntoa(addr), h_errno);
log_err(-1, __func__, log_buffer);
}
else {
/* read any credential file */
(void)get_credential(hp->h_name, jobp, PBS_GC_BATREQ,
&credbuf, &credlen);
}
/* save the job id for when after we purge the job */
(void)strcpy(job_id, jobp->ji_qs.ji_jobid);
con = -1;
DIS_tcparray_init();
for (i=0; i<RETRY; i++) {
pbs_errno = 0;
/* connect to receiving server with retries */
if (i > 0) { /* recycle after an error */
if (con >= 0)
svr_disconnect(con);
if (should_retry_route(pbs_errno) == -1) {
goto fatal_exit; /* fatal error, don't retry */
}
sleep(1<<i);
}
if ((con = svr_connect(hostaddr, port, 0, cntype, prot)) ==
PBS_NET_RC_FATAL) {
(void)sprintf(log_buffer, "send_job failed to %lx port %d",
hostaddr, port);
log_err(pbs_errno, __func__, log_buffer);
goto fatal_exit;
} else if (con == PBS_NET_RC_RETRY) {
pbs_errno = WSAECONNREFUSED; /* should retry */
continue;
}
/*
* if the job is substate JOB_SUBSTATE_TRNOUTCM which means
* we are recovering after being down or a late failure, we
* just want to send the "read-to-commit/commit"
*/
if (jobp->ji_qs.ji_substate != JOB_SUBSTATE_TRNOUTCM) {
if (jobp->ji_qs.ji_substate != JOB_SUBSTATE_TRNOUT) {
jobp->ji_qs.ji_substate = JOB_SUBSTATE_TRNOUT;
}
pqjatr = &((svrattrl *)GET_NEXT(attrl))->al_atopl;
destin = jobp->ji_qs.ji_destin;
if (PBSD_queuejob(con, jobp->ji_qs.ji_jobid, destin, pqjatr, NULL, prot, NULL)== 0) {
if (pbs_errno == PBSE_JOBEXIST && move_type == MOVE_TYPE_Exec) {
/* already running, mark it so */
log_event(PBSEVENT_ERROR,
PBS_EVENTCLASS_JOB, LOG_INFO,
jobp->ji_qs.ji_jobid, "Mom reports job already running");
goto ok_exit;
} else if ((pbs_errno == PBSE_HOOKERROR) ||
(pbs_errno == PBSE_HOOK_REJECT) ||
(pbs_errno == PBSE_HOOK_REJECT_RERUNJOB) ||
(pbs_errno == PBSE_HOOK_REJECT_DELETEJOB)) {
char name_buf[MAXPATHLEN+1];
int rfd;
int len;
char *reject_msg;
int err;
err = pbs_errno;
reject_msg = pbs_geterrmsg(con);
(void)snprintf(log_buffer, sizeof(log_buffer),
"send of job to %s failed error = %d reject_msg=%s",
destin, err,
reject_msg?reject_msg:"");
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB,
LOG_INFO, jobp->ji_qs.ji_jobid,
log_buffer);
(void)strcpy(name_buf, path_hooks_workdir);
(void)strcat(name_buf, jobp->ji_qs.ji_jobid);
(void)strcat(name_buf, HOOK_REJECT_SUFFIX);
if ((reject_msg != NULL) &&
(reject_msg[0] != '\0')) {
if ((rfd = open(name_buf,
O_RDWR|O_CREAT|O_TRUNC, 0600)) == -1) {
snprintf(log_buffer,
sizeof(log_buffer),
"open of reject file %s failed: errno %d",
name_buf, errno);
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB, LOG_INFO, jobp->ji_qs.ji_jobid, log_buffer);
} else {
secure_file(name_buf, "Administrators",
READS_MASK|WRITES_MASK|STANDARD_RIGHTS_REQUIRED);
setmode(rfd, O_BINARY);
len = strlen(reject_msg)+1;
/* write also trailing null char */
if (write(rfd, reject_msg, len) != len) {
snprintf(log_buffer,
sizeof(log_buffer),
"write to file %s incomplete: errno %d", name_buf, errno);
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB, LOG_INFO, jobp->ji_qs.ji_jobid, log_buffer);
}
close(rfd);
}
}
if (err == PBSE_HOOKERROR)
exit(SEND_JOB_HOOKERR);
if (err == PBSE_HOOK_REJECT)
exit(SEND_JOB_HOOK_REJECT);
if (err == PBSE_HOOK_REJECT_RERUNJOB)
exit(SEND_JOB_HOOK_REJECT_RERUNJOB);
if (err == PBSE_HOOK_REJECT_DELETEJOB)
exit(SEND_JOB_HOOK_REJECT_DELETEJOB);
} else {
(void)sprintf(log_buffer, "send of job to %s failed error = %d", destin, pbs_errno);
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB, LOG_INFO, jobp->ji_qs.ji_jobid, log_buffer);
continue;
}
}
if (jobp->ji_qs.ji_svrflags & JOB_SVFLG_SCRIPT) {
if (PBSD_jscript(con, script_name, prot, NULL) != 0)
continue;
}
if (credlen > 0) {
int ret;
ret = PBSD_jcred(con,
jobp->ji_extended.ji_ext.ji_credtype,
credbuf, credlen, prot, NULL);
if ((ret == 0) || (i == (RETRY - 1)))
free(credbuf); /* free credbuf if credbuf is sent successfully OR */
/* at the end of all retry attempts */
if (ret != 0)
continue;
}
if ((move_type == MOVE_TYPE_Exec) &&
(jobp->ji_qs.ji_svrflags & JOB_SVFLG_HASRUN) &&
(hostaddr != pbs_server_addr)) {
/* send files created on prior run */
if ((move_job_file(con, jobp, StdOut, prot) != 0) ||
(move_job_file(con, jobp, StdErr, prot) != 0) ||
(move_job_file(con, jobp, Chkpt, prot) != 0))
continue;
}
jobp->ji_qs.ji_substate = JOB_SUBSTATE_TRNOUTCM;
}
if (PBSD_rdytocmt(con, job_id, prot, NULL) != 0)
continue;
if (PBSD_commit(con, job_id, prot, NULL) != 0)
goto fatal_exit;
goto ok_exit; /* This child process is all done */
}
if (con >= 0)
svr_disconnect(con);
/*
* If connection is actively refused by the execution node(or mother superior) OR
* the execution node(or mother superior) is rejecting request with error
* PBSE_BADHOST(failing to authorize server host), the node should be marked down.
*/
if ((move_type == MOVE_TYPE_Exec) && (pbs_errno == WSAECONNREFUSED || pbs_errno == PBSE_BADHOST)) {
i = SEND_JOB_NODEDW;
} else if (should_retry_route(pbs_errno) == -1) {
i = SEND_JOB_FATAL;
} else {
i = SEND_JOB_RETRY;
}
(void)sprintf(log_buffer, "send_job failed with error %d", pbs_errno);
log_event(PBSEVENT_DEBUG, PBS_EVENTCLASS_JOB, LOG_NOTICE,
jobp->ji_qs.ji_jobid, log_buffer);
log_close(0);
net_close(-1);
unlink(script_name);
exit(i);
fatal_exit:
if (con >= 0)
svr_disconnect(con);
log_close(0);
net_close(-1);
unlink(script_name);
exit(SEND_JOB_FATAL);
ok_exit:
if (con >= 0)
svr_disconnect(con);
log_close(0);
net_close(-1);
unlink(script_name);
exit(SEND_JOB_OK);
}
int send_request_to_remote_server(
int conn,
batch_request *request)
{
struct attropl *patrl;
struct svrattrl *psvratl;
int rc = PBSE_NONE;
int tmp_rc = PBSE_NONE;
int sock = 0;
char log_buf[LOCAL_LOG_BUF_SIZE];
struct tcp_chan *chan = NULL;
pthread_mutex_lock(connection[conn].ch_mutex);
sock = connection[conn].ch_socket;
pthread_mutex_unlock(connection[conn].ch_mutex);
request->rq_conn = sock;
if ((chan = DIS_tcp_setup(sock)) == NULL)
{
log_err(PBSE_MEM_MALLOC, __func__,
"Could not allocate memory for socket buffer");
close_conn(sock, FALSE);
return(PBSE_MEM_MALLOC);
}
/* the request is bound to another server, encode/send the request */
switch (request->rq_type)
{
case PBS_BATCH_DeleteJob:
rc = PBSD_mgr_put(
conn,
PBS_BATCH_DeleteJob,
MGR_CMD_DELETE,
MGR_OBJ_JOB,
request->rq_ind.rq_delete.rq_objname,
NULL,
NULL);
break;
case PBS_BATCH_HoldJob:
attrl_fixlink(&request->rq_ind.rq_hold.rq_orig.rq_attr);
psvratl = (struct svrattrl *)GET_NEXT(request->rq_ind.rq_hold.rq_orig.rq_attr);
patrl = &psvratl->al_atopl;
rc = PBSD_mgr_put(
conn,
PBS_BATCH_HoldJob,
MGR_CMD_SET,
MGR_OBJ_JOB,
request->rq_ind.rq_hold.rq_orig.rq_objname,
patrl,
NULL);
break;
case PBS_BATCH_CheckpointJob:
rc = PBSD_mgr_put(
conn,
PBS_BATCH_CheckpointJob,
MGR_CMD_SET,
MGR_OBJ_JOB,
request->rq_ind.rq_hold.rq_orig.rq_objname,
NULL,
NULL);
break;
case PBS_BATCH_GpuCtrl:
rc = PBSD_gpu_put(
conn,
request->rq_ind.rq_gpuctrl.rq_momnode,
request->rq_ind.rq_gpuctrl.rq_gpuid,
request->rq_ind.rq_gpuctrl.rq_gpumode,
request->rq_ind.rq_gpuctrl.rq_reset_perm,
request->rq_ind.rq_gpuctrl.rq_reset_vol,
NULL);
break;
case PBS_BATCH_MessJob:
rc = PBSD_msg_put(
conn,
request->rq_ind.rq_message.rq_jid,
request->rq_ind.rq_message.rq_file,
request->rq_ind.rq_message.rq_text,
NULL);
break;
case PBS_BATCH_ModifyJob:
case PBS_BATCH_AsyModifyJob:
attrl_fixlink(&request->rq_ind.rq_modify.rq_attr);
patrl = (struct attropl *) & ((struct svrattrl *)GET_NEXT(
request->rq_ind.rq_modify.rq_attr))->al_atopl;
rc = PBSD_mgr_put(
conn,
request->rq_type,
MGR_CMD_SET,
MGR_OBJ_JOB,
request->rq_ind.rq_modify.rq_objname,
patrl,
NULL);
break;
case PBS_BATCH_Rerun:
if ((rc = encode_DIS_ReqHdr(chan, PBS_BATCH_Rerun, msg_daemonname)))
break;
if ((rc = encode_DIS_JobId(chan, request->rq_ind.rq_rerun)))
break;
if ((rc = encode_DIS_ReqExtend(chan, 0)))
break;
rc = DIS_tcp_wflush(chan);
break;
case PBS_BATCH_RegistDep:
if ((rc = encode_DIS_ReqHdr(chan, PBS_BATCH_RegistDep, msg_daemonname)))
break;
if ((rc = encode_DIS_Register(chan, request)))
break;
if ((rc = encode_DIS_ReqExtend(chan, 0)))
break;
rc = DIS_tcp_wflush(chan);
break;
case PBS_BATCH_AsySignalJob:
case PBS_BATCH_SignalJob:
rc = PBSD_sig_put(
conn,
request->rq_ind.rq_signal.rq_jid,
request->rq_ind.rq_signal.rq_signame,
request->rq_extra);
break;
case PBS_BATCH_StatusJob:
rc = PBSD_status_put(
conn,
PBS_BATCH_StatusJob,
request->rq_ind.rq_status.rq_id,
NULL,
NULL);
break;
case PBS_BATCH_TrackJob:
if ((rc = encode_DIS_ReqHdr(chan, PBS_BATCH_TrackJob, msg_daemonname)))
break;
if ((rc = encode_DIS_TrackJob(chan, request)))
break;
if ((rc = encode_DIS_ReqExtend(chan, 0)))
break;
rc = DIS_tcp_wflush(chan);
break;
case PBS_BATCH_ReturnFiles:
if ((rc = encode_DIS_ReqHdr(chan, PBS_BATCH_ReturnFiles, msg_daemonname)))
break;
if ((rc = encode_DIS_ReturnFiles(chan, request)))
break;
if ((rc = encode_DIS_ReqExtend(chan, 0)))
break;
rc = DIS_tcp_wflush(chan);
break;
case PBS_BATCH_CopyFiles:
if ((rc = encode_DIS_ReqHdr(chan, PBS_BATCH_CopyFiles, msg_daemonname)))
break;
if ((rc = encode_DIS_CopyFiles(chan, request)))
break;
if ((rc = encode_DIS_ReqExtend(chan, 0)))
break;
rc = DIS_tcp_wflush(chan);
break;
case PBS_BATCH_DelFiles:
if ((rc = encode_DIS_ReqHdr(chan, PBS_BATCH_DelFiles, msg_daemonname)))
break;
if ((rc = encode_DIS_CopyFiles(chan, request)))
break;
if ((rc = encode_DIS_ReqExtend(chan, 0)))
break;
rc = DIS_tcp_wflush(chan);
break;
case PBS_BATCH_DeleteReservation:
if ((rc = encode_DIS_ReqHdr(chan, PBS_BATCH_DeleteReservation, msg_daemonname)))
break;
if ((rc = encode_DIS_ReqExtend(chan, request->rq_extend)))
break;
rc = DIS_tcp_wflush(chan);
break;
default:
sprintf(log_buf, msg_issuebad, request->rq_type);
log_err(-1, __func__, log_buf);
rc = -1;
break;
} /* END switch (request->rq_type) */
if ((tmp_rc = DIS_reply_read(chan, &request->rq_reply)) != 0)
{
sprintf(log_buf, "DIS_reply_read failed: %d", tmp_rc);
log_record(PBSEVENT_JOB, PBS_EVENTCLASS_JOB, __func__, log_buf);
request->rq_reply.brp_code = tmp_rc;
request->rq_reply.brp_choice = BATCH_REPLY_CHOICE_NULL;
}
DIS_tcp_cleanup(chan);
svr_disconnect(conn);
return(rc);
} /* END send_request_to_remote_server() */
static void req_stat_job_step2(
struct stat_cntl *cntl) /* I/O (freed on return) */
{
svrattrl *pal;
job *pjob = NULL;
struct batch_request *preq;
struct batch_reply *preply;
int rc = 0;
enum TJobStatTypeEnum type;
pbs_queue *pque = NULL;
int exec_only = 0;
int IsTruncated = 0;
long DTime; /* delta time - only report full attribute list if J->MTime > DTime */
static svrattrl *dpal = NULL;
int job_array_index = 0;
job_array *pa = NULL;
preq = cntl->sc_origrq;
type = (enum TJobStatTypeEnum)cntl->sc_type;
preply = &preq->rq_reply;
/* See pbs_server_attributes(1B) for details on "poll_jobs" behaviour */
/* NOTE: If IsTruncated is true, should walk all queues and walk jobs in each queue
until max_reported is reached (NYI) */
if (dpal == NULL)
{
/* build 'delta' attribute list */
svrattrl *tpal;
tlist_head dalist;
int aindex;
int atrlist[] =
{
JOB_ATR_jobname,
JOB_ATR_resc_used,
JOB_ATR_LAST
};
CLEAR_LINK(dalist);
for (aindex = 0;atrlist[aindex] != JOB_ATR_LAST;aindex++)
{
if ((tpal = attrlist_create("", "", 23)) == NULL)
{
return;
}
tpal->al_valln = atrlist[aindex];
if (dpal == NULL)
dpal = tpal;
append_link(&dalist, &tpal->al_link, tpal);
}
} /* END if (dpal == NULL) */
if (type == tjstArray)
{
pa = get_array(preq->rq_ind.rq_status.rq_id);
}
if (!server.sv_attr[(int)SRV_ATR_PollJobs].at_val.at_long)
{
/* polljobs not set - indicates we may need to obtain fresh data from
MOM */
if (cntl->sc_jobid[0] == '\0')
pjob = NULL;
else
pjob = find_job(cntl->sc_jobid);
while (1)
{
if (pjob == NULL)
{
/* start from the first job */
if (type == tjstJob)
{
pjob = find_job(preq->rq_ind.rq_status.rq_id);
}
else if (type == tjstQueue)
{
pjob = (job *)GET_NEXT(cntl->sc_pque->qu_jobs);
}
else if (type == tjstArray)
{
job_array_index = 0;
/* increment job_array_index until we find a non-null pointer or hit the end */
while (job_array_index < pa->ai_qs.array_size && (pjob = pa->jobs[job_array_index]) == NULL)
job_array_index++;
}
else
{
if ((type == tjstTruncatedServer) || (type == tjstTruncatedQueue))
IsTruncated = TRUE;
pjob = (job *)GET_NEXT(svr_alljobs);
}
} /* END if (pjob == NULL) */
else
{
/* get next job */
if (type == tjstJob)
break;
if (type == tjstQueue)
pjob = (job *)GET_NEXT(pjob->ji_jobque);
else
pjob = (job *)GET_NEXT(pjob->ji_alljobs);
if (type == tjstArray)
{
pjob = NULL;
/* increment job_array_index until we find a non-null pointer or hit the end */
while (++job_array_index < pa->ai_qs.array_size && (pjob = pa->jobs[job_array_index]) == NULL)
;
}
}
if (pjob == NULL)
break;
/* PBS_RESTAT_JOB defaults to 30 seconds */
if ((pjob->ji_qs.ji_substate == JOB_SUBSTATE_RUNNING) &&
((time_now - pjob->ji_momstat) > JobStatRate))
{
/* go to MOM for status */
strcpy(cntl->sc_jobid, pjob->ji_qs.ji_jobid);
if ((rc = stat_to_mom(pjob, cntl)) == PBSE_SYSTEM)
{
break;
}
if (rc != 0)
{
rc = 0;
continue;
}
return; /* will pick up after mom replies */
}
} /* END while(1) */
if (cntl->sc_conn >= 0)
svr_disconnect(cntl->sc_conn); /* close connection to MOM */
if (rc != 0)
{
free(cntl);
reply_free(preply);
req_reject(rc, 0, preq, NULL, "cannot get update from mom");
return;
}
} /* END if (!server.sv_attr[(int)SRV_ATR_PollJobs].at_val.at_long) */
/*
* now ready for part 3, building the status reply,
* loop through again
*/
if (type == tjstSummarizeArraysQueue || type == tjstSummarizeArraysServer)
{
update_array_statuses();
}
if (type == tjstJob)
pjob = find_job(preq->rq_ind.rq_status.rq_id);
else if (type == tjstQueue)
pjob = (job *)GET_NEXT(cntl->sc_pque->qu_jobs);
else if (type == tjstSummarizeArraysQueue)
pjob = (job *)GET_NEXT(cntl->sc_pque->qu_jobs_array_sum);
else if (type == tjstSummarizeArraysServer)
pjob = (job *)GET_NEXT(svr_jobs_array_sum);
else if (type == tjstArray)
{
job_array_index = 0;
pjob = NULL;
/* increment job_array_index until we find a non-null pointer or hit the end */
while (job_array_index < pa->ai_qs.array_size && (pjob = pa->jobs[job_array_index]) == NULL)
job_array_index++;
}
else
pjob = (job *)GET_NEXT(svr_alljobs);
DTime = 0;
if (preq->rq_extend != NULL)
{
char *ptr;
/* FORMAT: { EXECQONLY | DELTA:<EPOCHTIME> } */
if (strstr(preq->rq_extend, EXECQUEONLY))
exec_only = 1;
ptr = strstr(preq->rq_extend, "DELTA:");
if (ptr != NULL)
{
ptr += strlen("delta:");
DTime = strtol(ptr, NULL, 10);
}
}
free(cntl);
if ((type == tjstTruncatedServer) || (type == tjstTruncatedQueue))
{
long sentJobCounter;
long qjcounter;
long qmaxreport;
/* loop through all queues */
for (pque = (pbs_queue *)GET_NEXT(svr_queues);
pque != NULL;
pque = (pbs_queue *)GET_NEXT(pque->qu_link))
{
qjcounter = 0;
if ((exec_only == 1) &&
(pque->qu_qs.qu_type != QTYPE_Execution))
{
/* ignore routing queues */
continue;
}
if (((pque->qu_attr[QA_ATR_MaxReport].at_flags & ATR_VFLAG_SET) != 0) &&
(pque->qu_attr[QA_ATR_MaxReport].at_val.at_long >= 0))
{
qmaxreport = pque->qu_attr[QA_ATR_MaxReport].at_val.at_long;
}
else
{
qmaxreport = TMAX_JOB;
}
if (LOGLEVEL >= 5)
{
sprintf(log_buffer,"giving scheduler up to %ld idle jobs in queue %s\n",
qmaxreport,
pque->qu_qs.qu_name);
log_event(
PBSEVENT_SYSTEM,
PBS_EVENTCLASS_QUEUE,
pque->qu_qs.qu_name,
log_buffer);
}
sentJobCounter = 0;
/* loop through jobs in queue */
for (pjob = (job *)GET_NEXT(pque->qu_jobs);
pjob != NULL;
pjob = (job *)GET_NEXT(pjob->ji_jobque))
{
if ((qjcounter >= qmaxreport) &&
(pjob->ji_qs.ji_state == JOB_STATE_QUEUED))
{
/* max_report of queued jobs reached for queue */
continue;
}
pal = (svrattrl *)GET_NEXT(preq->rq_ind.rq_status.rq_attr);
rc = status_job(
pjob,
preq,
(pjob->ji_wattr[(int)JOB_ATR_mtime].at_val.at_long >= DTime) ? pal : dpal,
&preply->brp_un.brp_status,
&bad);
if ((rc != 0) && (rc != PBSE_PERM))
{
req_reject(rc, bad, preq, NULL, NULL);
return;
}
sentJobCounter++;
if (pjob->ji_qs.ji_state == JOB_STATE_QUEUED)
qjcounter++;
} /* END for (pjob) */
if (LOGLEVEL >= 5)
{
sprintf(log_buffer,"sent scheduler %ld total jobs for queue %s\n",
sentJobCounter,
pque->qu_qs.qu_name);
log_event(
PBSEVENT_SYSTEM,
PBS_EVENTCLASS_QUEUE,
pque->qu_qs.qu_name,
log_buffer);
}
} /* END for (pque) */
reply_send(preq);
return;
} /* END if ((type == tjstTruncatedServer) || ...) */
while (pjob != NULL)
{
/* go ahead and build the status reply for this job */
if (exec_only)
{
pque = find_queuebyname(pjob->ji_qs.ji_queue);
if (pque->qu_qs.qu_type != QTYPE_Execution)
goto nextjob;
}
pal = (svrattrl *)GET_NEXT(preq->rq_ind.rq_status.rq_attr);
rc = status_job(
pjob,
preq,
pal,
&preply->brp_un.brp_status,
&bad);
if ((rc != 0) && (rc != PBSE_PERM))
{
req_reject(rc, bad, preq, NULL, NULL);
return;
}
/* get next job */
nextjob:
if (type == tjstJob)
break;
if (type == tjstQueue)
pjob = (job *)GET_NEXT(pjob->ji_jobque);
else if (type == tjstSummarizeArraysQueue)
pjob = (job *)GET_NEXT(pjob->ji_jobque_array_sum);
else if (type == tjstSummarizeArraysServer)
pjob = (job *)GET_NEXT(pjob->ji_jobs_array_sum);
else if (type == tjstArray)
{
pjob = NULL;
/* increment job_array_index until we find a non-null pointer or hit the end */
while (++job_array_index < pa->ai_qs.array_size && (pjob = pa->jobs[job_array_index]) == NULL)
;
}
else
pjob = (job *)GET_NEXT(pjob->ji_alljobs);
rc = 0;
} /* END while (pjob != NULL) */
reply_send(preq);
if (LOGLEVEL >= 7)
{
log_event(PBSEVENT_SYSTEM,
PBS_EVENTCLASS_JOB,
"req_statjob",
"Successfully returned the status of queued jobs\n");
}
return;
} /* END req_stat_job_step2() */
int stat_to_mom(
job *pjob, /* I */
struct stat_cntl *cntl) /* I/O */
{
struct batch_request *newrq;
int rc;
struct work_task *pwt = 0;
struct pbsnode *node;
if ((newrq = alloc_br(PBS_BATCH_StatusJob)) == NULL)
{
return(PBSE_SYSTEM);
}
/* set up status request, save address of cntl in request for later */
newrq->rq_extra = (void *)cntl;
if (cntl->sc_type == 1)
strcpy(newrq->rq_ind.rq_status.rq_id, pjob->ji_qs.ji_jobid);
else
newrq->rq_ind.rq_status.rq_id[0] = '\0'; /* get stat of all */
CLEAR_HEAD(newrq->rq_ind.rq_status.rq_attr);
/* if MOM is down just return stale information */
if (((node = tfind_addr(pjob->ji_qs.ji_un.ji_exect.ji_momaddr)) != NULL) &&
(node->nd_state & (INUSE_DELETED | INUSE_DOWN)))
{
if (LOGLEVEL >= 6)
{
sprintf(log_buffer, "node '%s' is allocated to job but in state '%s'",
node->nd_name,
(node->nd_state & INUSE_DELETED) ? "deleted" : "down");
log_event(
PBSEVENT_SYSTEM,
PBS_EVENTCLASS_JOB,
pjob->ji_qs.ji_jobid,
log_buffer);
}
return(PBSE_NORELYMOM);
}
/* get connection to MOM */
cntl->sc_conn = svr_connect(
pjob->ji_qs.ji_un.ji_exect.ji_momaddr,
pbs_mom_port,
process_Dreply,
ToServerDIS);
if ((rc = cntl->sc_conn) >= 0)
rc = issue_Drequest(cntl->sc_conn, newrq, stat_update, &pwt);
if (rc != 0)
{
/* request failed */
if (pwt)
delete_task(pwt);
free_br(newrq);
if (cntl->sc_conn >= 0)
svr_disconnect(cntl->sc_conn);
} /* END if (rc != NULL) */
return(rc);
} /* END stat_to_mom() */
static void process_hold_reply(
struct work_task *pwt)
{
job *pjob;
struct batch_request *preq;
int newstate;
int newsub;
attribute temphold;
char *pset;
int rc;
svr_disconnect(pwt->wt_event); /* close connection to MOM */
preq = pwt->wt_parm1;
preq->rq_conn = preq->rq_orgconn; /* restore client socket */
if ((pjob = find_job(preq->rq_ind.rq_hold.rq_orig.rq_objname)) == (job *)0)
{
LOG_EVENT(PBSEVENT_DEBUG, PBS_EVENTCLASS_JOB,
preq->rq_ind.rq_hold.rq_orig.rq_objname,
msg_postmomnojob);
req_reject(PBSE_UNKJOBID, 0, preq, NULL, msg_postmomnojob);
}
else if (preq->rq_reply.brp_code != 0)
{
rc = get_hold(&preq->rq_ind.rq_hold.rq_orig.rq_attr, &pset, &temphold);
if (rc == 0)
{
rc = job_attr_def[(int)JOB_ATR_hold].at_set(&pjob->ji_wattr[(int)JOB_ATR_hold],
&temphold, DECR);
}
pjob->ji_qs.ji_substate = JOB_SUBSTATE_RUNNING; /* reset it */
pjob->ji_modified = 1; /* indicate attributes changed */
svr_evaljobstate(pjob, &newstate, &newsub, 0);
svr_setjobstate(pjob, newstate, newsub); /* saves job */
if (preq->rq_reply.brp_code != PBSE_NOSUP)
{
sprintf(log_buffer, msg_mombadhold, preq->rq_reply.brp_code);
LOG_EVENT(PBSEVENT_DEBUG, PBS_EVENTCLASS_JOB,
pjob->ji_qs.ji_jobid, log_buffer);
req_reject(preq->rq_reply.brp_code, 0, preq, NULL, log_buffer);
}
else
{
reply_ack(preq);
}
}
else
{
/* record that MOM has a checkpoint file */
/* PBS_CHECKPOINT_MIGRATEABLE is defined as zero therefore this code will never fire.
* And if these flags are not set, start_exec will not try to run the job from
* the checkpoint image file.
*/
pjob->ji_qs.ji_svrflags |= JOB_SVFLG_CHECKPOINT_FILE;
if (preq->rq_reply.brp_auxcode) /* checkpoint can be moved */
{
pjob->ji_qs.ji_svrflags &= ~JOB_SVFLG_CHECKPOINT_FILE;
pjob->ji_qs.ji_svrflags |= JOB_SVFLG_HASRUN | JOB_SVFLG_CHECKPOINT_MIGRATEABLE;
}
pjob->ji_modified = 1; /* indicate attributes changed */
svr_evaljobstate(pjob, &newstate, &newsub, 0);
svr_setjobstate(pjob, newstate, newsub); /* saves job */
account_record(PBS_ACCT_CHKPNT, pjob, "Checkpointed and held"); /* note in accounting file */
reply_ack(preq);
}
}
/**
*
* @brief
* Send a job over the network to some other server or MOM.
* @par
* Under Linux/Unix, this starts a child process to do the work.
* Connect to the destination host and port,
* and go through the protocol to transfer the job.
* Signals are blocked.
*
* @param[in] jobp - pointer to the job being sent.
* @param[in] hostaddr - the address of host to send job to, host byte order.
* @param[in] port - the destination port, host byte order
* @param[in] move_type - the type of move (e.g. MOVE_TYPE_exec)
* @param[in] post_func - the function to execute once the child process
* sending job completes (Linux/Unix only)
* @param[in] data - input data to 'post_func'
*
* @return int
* @retval 2 parent : success (child forked)
* @retval -1 parent : on failure (pbs_errno set to error number)
* @retval SEND_JOB_OK child : 0 success, job sent
* @retval SEND_JOB_FATAL child : 1 permenent failure or rejection,
* @retval SEND_JOB_RETRY child : 2 failed but try again
* @retval SEND_JOB_NODEDW child : 3 execution node down, retry different node
*/
int
send_job(job *jobp, pbs_net_t hostaddr, int port, int move_type,
void (*post_func)(struct work_task *), struct batch_request *preq)
{
#ifdef WIN32
char cmdline[80];
pio_handles pio;
char buf[4096];
struct work_task *ptask;
int newstate;
int newsub;
long tempval;
char script_name[MAXPATHLEN+1];
int gridproxy_cred = 0;
#ifdef PBS_CRED_GRIDPROXY
if (jobp->ji_extended.ji_ext.ji_credtype == PBS_CREDTYPE_GRIDPROXY)
gridproxy_cred = 1;
#endif
if (pbs_conf.pbs_use_tcp == 1 && move_type == MOVE_TYPE_Exec && gridproxy_cred == 0) {
return (send_job_exec(jobp, hostaddr, port, preq));
}
sprintf(cmdline, "%s/sbin/pbs_send_job", pbs_conf.pbs_exec_path);
if (win_popen(cmdline, "w", &pio, NULL) == 0) {
errno = GetLastError();
pbs_errno = errno;
(void)sprintf(log_buffer, "executing %s for job %s failed errno=%d", cmdline, jobp->ji_qs.ji_jobid, errno);
log_event(PBSEVENT_DEBUG, PBS_EVENTCLASS_JOB, LOG_ERR,
jobp->ji_qs.ji_jobid, log_buffer);
/* force re-eval of job state out of Transit */
svr_evaljobstate(jobp, &newstate, &newsub, 1);
svr_setjobstate(jobp, newstate, newsub);
win_pclose(&pio);
return (-1);
}
ptask = set_task(WORK_Deferred_Child, (long)pio.pi.hProcess, post_func, preq);
if (!ptask) {
log_err(errno, __func__, msg_err_malloc);
errno = ENOMEM;
pbs_errno = errno;
win_pclose(&pio);
/* force re-eval of job state out of Transit */
svr_evaljobstate(jobp, &newstate, &newsub, 1);
svr_setjobstate(jobp, newstate, newsub);
return (-1);
} else {
ptask->wt_parm2 = jobp;
append_link(&((job *)jobp)->ji_svrtask, &ptask->wt_linkobj, ptask);
}
script_name[0] = '\0';
/* if job has a script read it from database */
if (jobp->ji_qs.ji_svrflags & JOB_SVFLG_SCRIPT) {
/*
* copy the job script from database to a temp file
* PBSD_jscript works with a file
* delete it at the end of the send
*/
if (svr_create_tmp_jobscript(jobp, &script_name) != 0) {
pbs_errno = PBSE_SYSTEM;
snprintf(log_buffer, sizeof(log_buffer),
"Failed to create temporary job script for job %s",
jobp->ji_qs.ji_jobid);
log_err(pbs_errno, "send_job", log_buffer);
win_pclose2(&pio);
return (-1);
}
}
addpid(pio.pi.hProcess);
/* our job is to calc eligible time accurately and save it */
/* on new server, accrue type should be calc afresh */
/* Note: if job is being sent for execution on mom, then don't calc eligible time */
if ((jobp->ji_wattr[(int)JOB_ATR_accrue_type].at_val.at_long == JOB_ELIGIBLE) &&
(server.sv_attr[(int)SRV_ATR_EligibleTimeEnable].at_val.at_long == 1) &&
(move_type != MOVE_TYPE_Exec)) {
tempval = ((long)time_now - jobp->ji_wattr[(int)JOB_ATR_sample_starttime].at_val.at_long);
jobp->ji_wattr[(int)JOB_ATR_eligible_time].at_val.at_long += tempval;
jobp->ji_wattr[(int)JOB_ATR_eligible_time].at_flags |= ATR_VFLAG_MODCACHE;
}
/* in windows code, a child process "w32_send_job" handles the send
* This needs the job information, so we save using the filesystem
* This avoids the child process from having to "connect" to the database again
* The file is deleted by the send_job child process when it has done recovering the job
*/
job_save_fs(jobp, SAVEJOB_FULLFORCE); /* so the spawned process can get a fresh copy of job */
if (*jobp->ji_qs.ji_fileprefix != '\0')
sprintf(buf, "jobfile=%s%s\n", jobp->ji_qs.ji_fileprefix, JOB_FILE_SUFFIX);
else
sprintf(buf, "jobfile=%s%s\n", jobp->ji_qs.ji_jobid, JOB_FILE_SUFFIX);
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "destaddr=%ld\n", hostaddr);
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "destport=%d\n", port);
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "move_type=%d\n", move_type);
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "in_server=%d\n", is_linked(&svr_alljobs, &jobp->ji_alljobs));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "server_name=%s\n", (server_name?server_name:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "server_host=%s\n", (server_host?server_host:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "server_addr=%ld\n", pbs_server_addr);
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "server_port=%d\n", pbs_server_port_dis);
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "log_file=%s\n", (log_file?log_file:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "path_log=%s\n", (path_log?path_log:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "path_jobs=%s\n", (path_jobs?path_jobs:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "path_spool=%s\n", (path_spool?path_spool:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "path_rescdef=%s\n", (path_rescdef?path_rescdef:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "path_users=%s\n", (path_users?path_users:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "path_hooks_workdir=%s\n",
(path_hooks_workdir?path_hooks_workdir:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "svr_history_enable=%ld\n", svr_history_enable);
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "svr_history_duration=%ld\n", svr_history_duration);
win_pwrite(&pio, buf, strlen(buf));
if ( (server.sv_attr[SRV_ATR_ssignon_enable].at_flags & \
ATR_VFLAG_SET) && \
(server.sv_attr[SRV_ATR_ssignon_enable].at_val.at_long == 1) )
strcpy(buf, "single_signon_password_enable=1\n");
else
strcpy(buf, "single_signon_password_enable=0\n");
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "script_name=%s\n", script_name);
win_pwrite(&pio, buf, strlen(buf));
strcpy(buf, "quit\n");
win_pwrite(&pio, buf, strlen(buf));
win_pclose2(&pio); /* closes all handles except the process handle */
return (2);
#else
pbs_list_head attrl;
enum conn_type cntype = ToServerDIS;
int con;
char *credbuf = NULL;
size_t credlen = 0;
char *destin = jobp->ji_qs.ji_destin;
int encode_type;
int i;
char job_id[PBS_MAXSVRJOBID+1];
attribute *pattr;
pid_t pid;
struct attropl *pqjatr; /* list (single) of attropl for quejob */
char script_name[MAXPATHLEN+1];
struct work_task *ptask;
struct hostent *hp;
struct in_addr addr;
long tempval;
int gridproxy_cred = 0;
int rpp = 0;
#ifdef PBS_CRED_GRIDPROXY
if (jobp->ji_extended.ji_ext.ji_credtype == PBS_CREDTYPE_GRIDPROXY)
gridproxy_cred = 1;
#endif
if (pbs_conf.pbs_use_tcp == 1 && move_type == MOVE_TYPE_Exec && gridproxy_cred == 0) {
return (send_job_exec(jobp, hostaddr, port, preq));
}
script_name[0] = '\0';
/* if job has a script read it from database */
if (jobp->ji_qs.ji_svrflags & JOB_SVFLG_SCRIPT) {
/*
* copy the job script from database to a temp file
* PBSD_jscript works with a file
* delete it at the end of the send
*/
if (svr_create_tmp_jobscript(jobp, script_name) != 0) {
pbs_errno = PBSE_SYSTEM;
snprintf(log_buffer, sizeof(log_buffer),
"Failed to create temporary job script for job %s",
jobp->ji_qs.ji_jobid);
log_err(pbs_errno, "send_job", log_buffer);
return -1;
}
}
pid = fork();
if (pid == -1) { /* Error on fork */
log_err(errno, __func__, "fork failed\n");
pbs_errno = PBSE_SYSTEM;
return -1;
}
if (pid != 0) { /* The parent (main server) */
ptask = set_task(WORK_Deferred_Child, pid, post_func, preq);
if (!ptask) {
log_err(errno, __func__, msg_err_malloc);
return (-1);
} else {
ptask->wt_parm2 = jobp;
append_link(&((job *)jobp)->ji_svrtask,
&ptask->wt_linkobj, ptask);
}
return 2;
}
/*
* the child process
*
* set up signal cather for error return
*/
DBPRT(("%s: child started, sending to port %d\n", __func__, port))
rpp_terminate();
/* Unprotect child from being killed by kernel */
daemon_protect(0, PBS_DAEMON_PROTECT_OFF);
#ifdef WIN32
/* get host name */
/*
* If host address is loopback address then do not resolve with dns
* Use "localhost" as the host name.
*/
if ((htonl(hostaddr) == loopback_addr->sin_addr.s_addr)) {
(void)get_credential(LOCALHOST_SHORTNAME, jobp, PBS_GC_BATREQ,
&credbuf, &credlen);
} else {
#endif
addr.s_addr = htonl(hostaddr);
hp = gethostbyaddr((void *)&addr, sizeof(struct in_addr), AF_INET);
if (hp == NULL) {
sprintf(log_buffer, "%s: h_errno=%d",
inet_ntoa(addr), h_errno);
log_err(-1, __func__, log_buffer);
} else {
/* read any credential file */
(void)get_credential(hp->h_name, jobp, PBS_GC_BATREQ,
&credbuf, &credlen);
}
#ifdef WIN32
}
#endif
/* encode job attributes to be moved */
CLEAR_HEAD(attrl);
/* select attributes/resources to send based on move type */
if (move_type == MOVE_TYPE_Exec) {
resc_access_perm = ATR_DFLAG_MOM;
encode_type = ATR_ENCODE_MOM;
cntype = ToServerDIS;
} else {
resc_access_perm = ATR_DFLAG_USWR | ATR_DFLAG_OPWR |
ATR_DFLAG_MGWR | ATR_DFLAG_SvRD;
encode_type = ATR_ENCODE_SVR;
svr_dequejob(jobp); /* clears default resource settings */
}
/* our job is to calc eligible time accurately and save it */
/* on new server, accrue type should be calc afresh */
/* Note: if job is being sent for execution on mom, then don't calc eligible time */
if ((jobp->ji_wattr[(int)JOB_ATR_accrue_type].at_val.at_long == JOB_ELIGIBLE) &&
(server.sv_attr[(int)SRV_ATR_EligibleTimeEnable].at_val.at_long == 1) &&
(move_type != MOVE_TYPE_Exec)) {
tempval = ((long)time_now - jobp->ji_wattr[(int)JOB_ATR_sample_starttime].at_val.at_long);
jobp->ji_wattr[(int)JOB_ATR_eligible_time].at_val.at_long += tempval;
jobp->ji_wattr[(int)JOB_ATR_eligible_time].at_flags |= ATR_VFLAG_MODCACHE;
}
pattr = jobp->ji_wattr;
for (i=0; i < (int)JOB_ATR_LAST; i++) {
if ((job_attr_def+i)->at_flags & resc_access_perm) {
(void)(job_attr_def+i)->at_encode(pattr+i, &attrl,
(job_attr_def+i)->at_name, (char *)0,
encode_type, NULL);
}
}
attrl_fixlink(&attrl);
/* save the job id for when after we purge the job */
(void)strcpy(job_id, jobp->ji_qs.ji_jobid);
pbs_errno = 0;
con = -1;
for (i=0; i<RETRY; i++) {
/* connect to receiving server with retries */
if (i > 0) { /* recycle after an error */
if (con >= 0)
svr_disconnect(con);
if (should_retry_route(pbs_errno) == -1) {
/* delete the temp script file */
unlink(script_name);
exit(SEND_JOB_FATAL); /* fatal error, don't retry */
}
sleep(1<<i);
}
if ((con = svr_connect(hostaddr, port, 0, cntype, rpp)) ==
PBS_NET_RC_FATAL) {
(void)sprintf(log_buffer, "send_job failed to %lx port %d",
hostaddr, port);
log_err(pbs_errno, __func__, log_buffer);
/* delete the temp script file */
unlink(script_name);
if ((move_type == MOVE_TYPE_Exec) && (pbs_errno == PBSE_BADCRED))
exit(SEND_JOB_NODEDW);
exit(SEND_JOB_FATAL);
} else if (con == PBS_NET_RC_RETRY) {
pbs_errno = ECONNREFUSED; /* should retry */
continue;
}
/*
* if the job is substate JOB_SUBSTATE_TRNOUTCM which means
* we are recovering after being down or a late failure, we
* just want to send the commit"
*/
if (jobp->ji_qs.ji_substate != JOB_SUBSTATE_TRNOUTCM) {
if (jobp->ji_qs.ji_substate != JOB_SUBSTATE_TRNOUT) {
jobp->ji_qs.ji_substate = JOB_SUBSTATE_TRNOUT;
}
pqjatr = &((svrattrl *)GET_NEXT(attrl))->al_atopl;
if (PBSD_queuejob(con, jobp->ji_qs.ji_jobid, destin,
pqjatr, (char *)0, rpp, NULL) == 0) {
if (pbs_errno == PBSE_JOBEXIST &&
move_type == MOVE_TYPE_Exec) {
/* already running, mark it so */
log_event(PBSEVENT_ERROR, PBS_EVENTCLASS_JOB,
LOG_INFO, jobp->ji_qs.ji_jobid,
"Mom reports job already running");
exit(SEND_JOB_OK);
}
else if ((pbs_errno == PBSE_HOOKERROR) ||
(pbs_errno == PBSE_HOOK_REJECT) ||
(pbs_errno == PBSE_HOOK_REJECT_RERUNJOB) ||
(pbs_errno == PBSE_HOOK_REJECT_DELETEJOB)) {
char name_buf[MAXPATHLEN+1];
int rfd;
int len;
char *reject_msg;
int err;
err = pbs_errno;
reject_msg = pbs_geterrmsg(con);
(void)sprintf(log_buffer,
"send of job to %s failed error = %d reject_msg=%s",
destin, err,
reject_msg?reject_msg:"");
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB,
LOG_INFO, jobp->ji_qs.ji_jobid,
log_buffer);
(void)strcpy(name_buf, path_hooks_workdir);
(void)strcat(name_buf, jobp->ji_qs.ji_jobid);
(void)strcat(name_buf, HOOK_REJECT_SUFFIX);
if ((reject_msg != NULL) &&
(reject_msg[0] != '\0')) {
if ((rfd = open(name_buf,
O_RDWR|O_CREAT|O_TRUNC, 0600)) == -1) {
sprintf(log_buffer,
"open of reject file %s failed: errno %d",
name_buf, errno);
log_event(PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
LOG_INFO, jobp->ji_qs.ji_jobid,
log_buffer);
} else {
#ifdef WIN32
secure_file(name_buf, "Administrators",
READS_MASK|WRITES_MASK|STANDARD_RIGHTS_REQUIRED);
setmode(rfd, O_BINARY);
#endif
len = strlen(reject_msg)+1;
/* write also trailing null char */
if (write(rfd, reject_msg, len) != len) {
sprintf(log_buffer,
"write to file %s incomplete: errno %d", name_buf, errno);
log_event(PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
LOG_INFO, jobp->ji_qs.ji_jobid,
log_buffer);
}
close(rfd);
}
}
if (err == PBSE_HOOKERROR)
exit(SEND_JOB_HOOKERR);
if (err == PBSE_HOOK_REJECT)
exit(SEND_JOB_HOOK_REJECT);
if (err == PBSE_HOOK_REJECT_RERUNJOB)
exit(SEND_JOB_HOOK_REJECT_RERUNJOB);
if (err == PBSE_HOOK_REJECT_DELETEJOB)
exit(SEND_JOB_HOOK_REJECT_DELETEJOB);
}
else {
(void)sprintf(log_buffer,
"send of job to %s failed error = %d",
destin, pbs_errno);
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB,
LOG_INFO, jobp->ji_qs.ji_jobid,
log_buffer);
continue;
}
}
if (jobp->ji_qs.ji_svrflags & JOB_SVFLG_SCRIPT) {
if (PBSD_jscript(con, script_name, rpp, NULL) != 0)
continue;
}
if (credlen > 0) {
int ret;
ret = PBSD_jcred(con,
jobp->ji_extended.ji_ext.ji_credtype,
credbuf, credlen, rpp, NULL);
if ((ret == 0) || (i == (RETRY - 1)))
free(credbuf); /* free credbuf if cred info is sent successfully OR */
/* at the end of all retry attempts */
if (ret != 0)
continue;
}
if ((move_type == MOVE_TYPE_Exec) &&
(jobp->ji_qs.ji_svrflags & JOB_SVFLG_HASRUN) &&
(hostaddr != pbs_server_addr)) {
/* send files created on prior run */
if ((move_job_file(con, jobp, StdOut, rpp, NULL) != 0) ||
(move_job_file(con, jobp, StdErr, rpp, NULL) != 0) ||
(move_job_file(con, jobp, Chkpt, rpp, NULL) != 0))
continue;
}
jobp->ji_qs.ji_substate = JOB_SUBSTATE_TRNOUTCM;
}
if (PBSD_rdytocmt(con, job_id, rpp, NULL) != 0)
continue;
if (PBSD_commit(con, job_id, rpp, NULL) != 0) {
/* delete the temp script file */
unlink(script_name);
exit(SEND_JOB_FATAL);
}
svr_disconnect(con);
/* delete the temp script file */
unlink(script_name);
exit(SEND_JOB_OK); /* This child process is all done */
}
if (con >= 0)
svr_disconnect(con);
/*
* If connection is actively refused by the execution node(or mother superior) OR
* the execution node(or mother superior) is rejecting request with error
* PBSE_BADHOST(failing to authorize server host), the node should be marked down.
*/
if ((move_type == MOVE_TYPE_Exec) && (pbs_errno == ECONNREFUSED || pbs_errno == PBSE_BADHOST)) {
i = SEND_JOB_NODEDW;
} else if (should_retry_route(pbs_errno) == -1) {
i = SEND_JOB_FATAL;
} else {
i = SEND_JOB_RETRY;
}
(void)sprintf(log_buffer, "send_job failed with error %d", pbs_errno);
log_event(PBSEVENT_DEBUG, PBS_EVENTCLASS_JOB, LOG_NOTICE,
jobp->ji_qs.ji_jobid, log_buffer);
/* delete the temp script file */
unlink(script_name);
exit(i);
return -1; /* NOT REACHED */
#endif /* !WIN32 */
}
static void post_signal_req(
struct work_task *pwt)
{
job *pjob;
struct batch_request *preq;
svr_disconnect(pwt->wt_event); /* disconnect from MOM */
preq = pwt->wt_parm1;
preq->rq_conn = preq->rq_orgconn; /* restore client socket */
if (preq->rq_reply.brp_code)
{
log_event(
PBSEVENT_DEBUG,
PBS_EVENTCLASS_REQUEST,
preq->rq_ind.rq_signal.rq_jid,
pbse_to_txt(PBSE_MOMREJECT));
errno = 0;
req_reject(preq->rq_reply.brp_code, 0, preq, NULL, NULL);
}
else
{
pjob = preq->rq_extra;
if (strcmp(preq->rq_ind.rq_signal.rq_signame, SIG_SUSPEND) == 0)
{
if ((pjob->ji_qs.ji_svrflags & JOB_SVFLG_Suspend) == 0)
{
pjob->ji_qs.ji_svrflags |= JOB_SVFLG_Suspend;
set_statechar(pjob);
job_save(pjob, SAVEJOB_QUICK, 0);
/* release resources allocated to suspended job - NORWAY */
free_nodes(pjob);
}
}
else if (strcmp(preq->rq_ind.rq_signal.rq_signame, SIG_RESUME) == 0)
{
if (pjob->ji_qs.ji_svrflags & JOB_SVFLG_Suspend)
{
/* re-allocate assigned node to resumed job - NORWAY */
set_old_nodes(pjob);
pjob->ji_qs.ji_svrflags &= ~JOB_SVFLG_Suspend;
set_statechar(pjob);
job_save(pjob, SAVEJOB_QUICK, 0);
}
}
reply_ack(preq);
}
return;
} /* END post_signal_req() */
int send_job(
job *jobp,
pbs_net_t hostaddr, /* host address, host byte order */
int port, /* service port, host byte order */
int move_type, /* move, route, or execute */
void (*post_func)(struct work_task *), /* after move */
void *data) /* ptr to optional batch_request to be put */
/* in the work task structure */
{
tlist_head attrl;
enum conn_type cntype = ToServerDIS;
int con;
char *destin = jobp->ji_qs.ji_destin;
int encode_type;
int i;
int NumRetries;
char *id = "send_job";
attribute *pattr;
pid_t pid;
struct attropl *pqjatr; /* list (single) of attropl for quejob */
char *safail = "sigaction failed\n";
char *spfail = "sigprocmask failed\n";
char script_name[MAXPATHLEN + 1];
sigset_t child_set, all_set;
struct sigaction child_action;
struct work_task *ptask;
mbool_t Timeout = FALSE;
char *pc;
sigemptyset(&child_set);
sigaddset(&child_set, SIGCHLD);
sigfillset(&all_set);
/* block SIGCHLD until work task is established */
if (sigprocmask(SIG_BLOCK, &child_set, NULL) == -1)
{
log_err(errno,id,spfail);
pbs_errno = PBSE_SYSTEM;
log_event(
PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
jobp->ji_qs.ji_jobid,
"cannot set signal mask");
return(ROUTE_PERM_FAILURE);
}
if (LOGLEVEL >= 6)
{
sprintf(log_buffer,"about to send job - type=%d",
move_type);
log_event(
PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
jobp->ji_qs.ji_jobid,
"forking in send_job");
}
pid = fork();
if (pid == -1)
{
/* error on fork */
log_err(errno, id, "fork failed\n");
if (sigprocmask(SIG_UNBLOCK, &child_set, NULL) == -1)
log_err(errno, id, spfail);
pbs_errno = PBSE_SYSTEM;
return(ROUTE_PERM_FAILURE);
}
if (pid != 0)
{
/* The parent (main server) */
/* create task to monitor job startup */
/* CRI: need way to report to scheduler job is starting, not started */
ptask = set_task(WORK_Deferred_Child, pid, post_func, jobp);
if (ptask == NULL)
{
log_err(errno, id, msg_err_malloc);
return(ROUTE_PERM_FAILURE);
}
ptask->wt_parm2 = data;
append_link(
&((job *)jobp)->ji_svrtask,
&ptask->wt_linkobj,
ptask);
/* now can unblock SIGCHLD */
if (sigprocmask(SIG_UNBLOCK, &child_set, NULL) == -1)
log_err(errno, id, spfail);
if (LOGLEVEL >= 1)
{
extern long DispatchTime[];
extern job *DispatchJob[];
extern char *DispatchNode[];
extern time_t time_now;
struct pbsnode *NP;
/* record job dispatch time */
int jindex;
for (jindex = 0;jindex < 20;jindex++)
{
if (DispatchJob[jindex] == NULL)
{
DispatchTime[jindex] = time_now;
DispatchJob[jindex] = jobp;
if ((NP = PGetNodeFromAddr(hostaddr)) != NULL)
DispatchNode[jindex] = NP->nd_name;
else
DispatchNode[jindex] = NULL;
break;
}
}
}
/* SUCCESS */
return(ROUTE_DEFERRED);
} /* END if (pid != 0) */
/*
* the child process
*
* set up signal catcher for error return
*/
rpp_terminate();
child_action.sa_handler = net_move_die;
sigfillset(&child_action.sa_mask);
child_action.sa_flags = 0;
if (sigaction(SIGHUP, &child_action, NULL))
log_err(errno, id, safail);
if (sigaction(SIGINT, &child_action, NULL))
log_err(errno, id, safail);
if (sigaction(SIGQUIT, &child_action, NULL))
log_err(errno, id, safail);
/* signal handling is set, now unblock */
if (sigprocmask(SIG_UNBLOCK, &child_set, NULL) == -1)
log_err(errno, id, spfail);
/* encode job attributes to be moved */
CLEAR_HEAD(attrl);
/* select attributes/resources to send based on move type */
if (move_type == MOVE_TYPE_Exec)
{
/* moving job to MOM - ie job start */
resc_access_perm = ATR_DFLAG_MOM;
encode_type = ATR_ENCODE_MOM;
cntype = ToServerDIS;
}
else
{
/* moving job to alternate server? */
resc_access_perm =
ATR_DFLAG_USWR |
ATR_DFLAG_OPWR |
ATR_DFLAG_MGWR |
ATR_DFLAG_SvRD;
encode_type = ATR_ENCODE_SVR;
/* clear default resource settings */
svr_dequejob(jobp);
}
pattr = jobp->ji_wattr;
for (i = 0;i < JOB_ATR_LAST;i++)
{
if (((job_attr_def + i)->at_flags & resc_access_perm) ||
((strncmp((job_attr_def + i)->at_name,"session_id",10) == 0) &&
(jobp->ji_wattr[JOB_ATR_checkpoint_name].at_flags & ATR_VFLAG_SET)))
{
(job_attr_def + i)->at_encode(
pattr + i,
&attrl,
(job_attr_def + i)->at_name,
NULL,
encode_type);
}
} /* END for (i) */
attrl_fixlink(&attrl);
/* put together the job script file name */
strcpy(script_name, path_jobs);
if (jobp->ji_wattr[JOB_ATR_job_array_request].at_flags & ATR_VFLAG_SET)
{
strcat(script_name, jobp->ji_arraystruct->ai_qs.fileprefix);
}
else
{
strcat(script_name, jobp->ji_qs.ji_fileprefix);
}
strcat(script_name, JOB_SCRIPT_SUFFIX);
pbs_errno = 0;
con = -1;
for (NumRetries = 0;NumRetries < RETRY;NumRetries++)
{
int rc;
/* connect to receiving server with retries */
if (NumRetries > 0)
{
/* recycle after an error */
if (con >= 0)
svr_disconnect(con);
/* check pbs_errno from previous attempt */
if (should_retry_route(pbs_errno) == -1)
{
sprintf(log_buffer, "child failed in previous commit request for job %s",
jobp->ji_qs.ji_jobid);
log_err(pbs_errno, id, log_buffer);
exit(1); /* fatal error, don't retry */
}
sleep(1 << NumRetries);
}
/* NOTE: on node hangs, svr_connect is successful */
if ((con = svr_connect(hostaddr, port, 0, cntype)) == PBS_NET_RC_FATAL)
{
sprintf(log_buffer, "send_job failed to %lx port %d",
hostaddr,
port);
log_err(pbs_errno, id, log_buffer);
exit(1);
}
if (con == PBS_NET_RC_RETRY)
{
pbs_errno = 0; /* should retry */
continue;
}
/*
* if the job is substate JOB_SUBSTATE_TRNOUTCM which means
* we are recovering after being down or a late failure, we
* just want to send the "ready-to-commit/commit"
*/
if (jobp->ji_qs.ji_substate != JOB_SUBSTATE_TRNOUTCM)
{
if (jobp->ji_qs.ji_substate != JOB_SUBSTATE_TRNOUT)
{
jobp->ji_qs.ji_substate = JOB_SUBSTATE_TRNOUT;
job_save(jobp, SAVEJOB_QUICK);
}
pqjatr = &((svrattrl *)GET_NEXT(attrl))->al_atopl;
if ((pc = PBSD_queuejob(
con,
jobp->ji_qs.ji_jobid,
destin,
pqjatr,
NULL)) == NULL)
{
if ((pbs_errno == PBSE_EXPIRED) || (pbs_errno == PBSE_READ_REPLY_TIMEOUT))
{
/* queue job timeout based on pbs_tcp_timeout */
Timeout = TRUE;
}
if ((pbs_errno == PBSE_JOBEXIST) && (move_type == MOVE_TYPE_Exec))
{
/* already running, mark it so */
log_event(
PBSEVENT_ERROR,
PBS_EVENTCLASS_JOB,
jobp->ji_qs.ji_jobid,
"MOM reports job already running");
exit(0);
}
sprintf(log_buffer, "send of job to %s failed error = %d",
destin,
pbs_errno);
log_event(
PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
jobp->ji_qs.ji_jobid,
log_buffer);
continue;
} /* END if ((pc = PBSD_queuejob() == NULL) */
free(pc);
if (jobp->ji_qs.ji_svrflags & JOB_SVFLG_SCRIPT)
{
if (PBSD_jscript(con, script_name, jobp->ji_qs.ji_jobid) != 0)
continue;
}
/* XXX may need to change the logic below, if we are sending the job to
a mom on the same host and the mom and server are not sharing the same
spool directory, then we still need to move the file */
if ((move_type == MOVE_TYPE_Exec) &&
(jobp->ji_qs.ji_svrflags & JOB_SVFLG_HASRUN) &&
(hostaddr != pbs_server_addr))
{
/* send files created on prior run */
if ((move_job_file(con,jobp,StdOut) != 0) ||
(move_job_file(con,jobp,StdErr) != 0) ||
(move_job_file(con,jobp,Checkpoint) != 0))
{
continue;
}
}
/* ignore signals */
if (sigprocmask(SIG_BLOCK, &all_set, NULL) == -1)
log_err(errno, id, "sigprocmask\n");
jobp->ji_qs.ji_substate = JOB_SUBSTATE_TRNOUTCM;
job_save(jobp, SAVEJOB_QUICK);
}
else
{
/* ignore signals */
if (sigprocmask(SIG_BLOCK, &all_set, NULL) == -1)
log_err(errno, id, "sigprocmask\n");
}
if (PBSD_rdytocmt(con, jobp->ji_qs.ji_jobid) != 0)
{
if (sigprocmask(SIG_UNBLOCK, &all_set, NULL) == -1)
log_err(errno, id, "sigprocmask\n");
continue;
}
if ((rc = PBSD_commit(con, jobp->ji_qs.ji_jobid)) != 0)
{
int errno2;
/* NOTE: errno is modified by log_err */
errno2 = errno;
sprintf(log_buffer, "send_job commit failed, rc=%d (%s)",
rc,
(connection[con].ch_errtxt != NULL) ? connection[con].ch_errtxt : "N/A");
log_ext(errno2, id, log_buffer, LOG_WARNING);
/* if failure occurs, pbs_mom should purge job and pbs_server should set *
job state to idle w/error msg */
if (errno2 == EINPROGRESS)
{
/* request is still being processed */
/* increase tcp_timeout in qmgr? */
Timeout = TRUE;
/* do we need a continue here? */
sprintf(log_buffer, "child commit request timed-out for job %s, increase tcp_timeout?",
jobp->ji_qs.ji_jobid);
log_ext(errno2, id, log_buffer, LOG_WARNING);
/* don't retry on timeout--break out and report error! */
break;
}
else
{
sprintf(log_buffer, "child failed in commit request for job %s",
jobp->ji_qs.ji_jobid);
log_ext(errno2, id, log_buffer, LOG_CRIT);
/* FAILURE */
exit(1);
}
} /* END if ((rc = PBSD_commit(con,jobp->ji_qs.ji_jobid)) != 0) */
svr_disconnect(con);
/* child process is done */
/* SUCCESS */
exit(0);
} /* END for (NumRetries) */
if (con >= 0)
svr_disconnect(con);
if (Timeout == TRUE)
{
/* 10 indicates that job migrate timed out, server will mark node down *
and abort the job - see post_sendmom() */
sprintf(log_buffer, "child timed-out attempting to start job %s",
jobp->ji_qs.ji_jobid);
log_ext(pbs_errno, id, log_buffer, LOG_WARNING);
exit(10);
}
if (should_retry_route(pbs_errno) == -1)
{
sprintf(log_buffer, "child failed and will not retry job %s",
jobp->ji_qs.ji_jobid);
log_err(pbs_errno, id, log_buffer);
exit(1);
}
exit(2);
/*NOTREACHED*/
return(ROUTE_SUCCESS);
} /* END send_job() */
int send_job_over_network_with_retries(
char *job_id,
char *job_destin,
tlist_head &attrl,
bool &attempt_to_queue_job,
bool &change_substate_on_attempt_to_queue,
bool &timeout,
const char *script_name,
bool need_to_send_job_script,
bool job_has_run,
unsigned long job_momaddr,
unsigned short job_momport,
char *stdout_path,
char *stderr_path,
char *chkpt_path,
int type,
int *my_err,
int *mom_err)
{
int con = PBS_NET_RC_UNSET;
char log_buf[LOCAL_LOG_BUF_SIZE];
int rc = LOCUTION_RETRY;
for (int NumRetries = 0; NumRetries < RETRY; NumRetries++)
{
/* connect to receiving server with retries */
if (NumRetries > 0)
{
/* recycle after an error */
if (con >= 0)
{
svr_disconnect(con);
con = PBS_NET_RC_UNSET;
}
/* check my_err from previous attempt */
if ((should_retry_route(*my_err) == -1) ||
(should_retry_route(*mom_err) == -1))
{
sprintf(log_buf, "child failed in previous commit request for job %s", job_id);
log_err(*my_err, __func__, log_buf);
break;
}
sleep(1 << NumRetries);
}
/* make sure this is zero at the point that we're retrying */
*my_err = 0;
if ((con = svr_connect(job_momaddr, job_momport, my_err, NULL, NULL)) == PBS_NET_RC_FATAL)
{
sprintf(log_buf, "send_job failed to host %s, %lx port %d",
(job_destin[0] != '\0') ? job_destin : "unknown host",
job_momaddr,
job_momport);
log_err(*my_err, __func__, log_buf);
rc = LOCUTION_FAIL;
break;
}
if (con == PBS_NET_RC_RETRY)
{
*my_err = 0; /* should retry */
continue;
}
if (con == PBS_LOCAL_CONNECTION)
{
log_err(-1, __func__, "attempting to run the job on pbs_server???");
return(PBSE_SYSTEM);
}
rc = send_job_over_network(job_id,
con,
job_destin,
attrl,
attempt_to_queue_job,
change_substate_on_attempt_to_queue,
timeout,
script_name,
need_to_send_job_script,
job_has_run,
job_momaddr,
stdout_path,
stderr_path,
chkpt_path,
type,
my_err,
mom_err);
if (rc == LOCUTION_SUCCESS)
break;
} /* END for (NumRetries) */
if (con >= 0)
svr_disconnect(con);
return(rc);
} /* END send_job_over_network_with_retries() */
