static void _proc_msg(int new_fd, char *msg, slurm_addr_t cli_addr)
{
/* Locks: Read job and node data */
slurmctld_lock_t job_read_lock = {
NO_LOCK, READ_LOCK, READ_LOCK, NO_LOCK, NO_LOCK };
/* Locks: Write job */
slurmctld_lock_t job_write_lock = {
NO_LOCK, WRITE_LOCK, NO_LOCK, NO_LOCK, NO_LOCK };
/* Locks: Write job, write node, read partition */
slurmctld_lock_t job_write_lock2 = {
NO_LOCK, WRITE_LOCK, WRITE_LOCK, READ_LOCK, READ_LOCK };
/* Locks: Write node data */
slurmctld_lock_t node_write_lock = {
NO_LOCK, NO_LOCK, WRITE_LOCK, NO_LOCK, READ_LOCK };
char *cmd_ptr, *resp = NULL, *msg_decrypted = NULL;
uid_t cmd_uid;
uint32_t protocol_version = 0;
if (!msg) {
info("slurmctld/nonstop: NULL message received");
resp = xstrdup("Error:\"NULL message received\"");
goto send_resp;
}
msg_decrypted = _decrypt(msg, &cmd_uid);
if (!msg_decrypted) {
info("slurmctld/nonstop: Message decrypt failure");
resp = xstrdup("Error:\"Message decrypt failure\"");
goto send_resp;
}
if (nonstop_debug > 0)
info("slurmctld/nonstop: msg decrypted:%s", msg_decrypted);
cmd_ptr = msg_decrypted;
/* 123456789012345678901234567890 */
if (xstrncmp(cmd_ptr, version_string, 13) == 0) {
cmd_ptr = strchr(cmd_ptr + 13, ':');
if (cmd_ptr) {
cmd_ptr++;
protocol_version = SLURM_PROTOCOL_VERSION;
}
}
if (protocol_version == 0) {
info("slurmctld/nonstop: Message version invalid");
resp = xstrdup("Error:\"Message version invalid\"");
goto send_resp;
}
if (xstrncmp(cmd_ptr, "CALLBACK:JOBID:", 15) == 0) {
resp = register_callback(cmd_ptr, cmd_uid, cli_addr,
protocol_version);
} else if (xstrncmp(cmd_ptr, "DRAIN:NODES:", 12) == 0) {
lock_slurmctld(node_write_lock);
resp = drain_nodes_user(cmd_ptr, cmd_uid, protocol_version);
unlock_slurmctld(node_write_lock);
} else if (xstrncmp(cmd_ptr, "DROP_NODE:JOBID:", 15) == 0) {
lock_slurmctld(job_write_lock2);
resp = drop_node(cmd_ptr, cmd_uid, protocol_version);
unlock_slurmctld(job_write_lock2);
} else if (xstrncmp(cmd_ptr, "GET_FAIL_NODES:JOBID:", 21) == 0) {
lock_slurmctld(job_read_lock);
resp = fail_nodes(cmd_ptr, cmd_uid, protocol_version);
unlock_slurmctld(job_read_lock);
} else if (xstrncmp(cmd_ptr, "REPLACE_NODE:JOBID:", 19) == 0) {
lock_slurmctld(job_write_lock2);
resp = replace_node(cmd_ptr, cmd_uid, protocol_version);
unlock_slurmctld(job_write_lock2);
} else if (xstrncmp(cmd_ptr, "SHOW_CONFIG", 11) == 0) {
resp = show_config(cmd_ptr, cmd_uid, protocol_version);
} else if (xstrncmp(cmd_ptr, "SHOW_JOB:JOBID:", 15) == 0) {
resp = show_job(cmd_ptr, cmd_uid, protocol_version);
} else if (xstrncmp(cmd_ptr, "TIME_INCR:JOBID:", 16) == 0) {
lock_slurmctld(job_write_lock);
resp = time_incr(cmd_ptr, cmd_uid, protocol_version);
unlock_slurmctld(job_write_lock);
} else {
info("slurmctld/nonstop: Invalid command: %s", cmd_ptr);
xstrfmtcat(resp, "%s ECMD", SLURM_VERSION_STRING);
}
send_resp:
if (nonstop_debug > 0)
info("slurmctld/nonstop: msg send:%s", resp);
_send_reply(new_fd, resp);
xfree(resp);
if (msg_decrypted)
free(msg_decrypted);
return;
}
/*****************************************************************************\
* Parse, process and respond to a request
\*****************************************************************************/
static void _proc_msg(slurm_fd_t new_fd, char *msg)
{
DEF_TIMERS;
char *req, *cmd_ptr, *msg_type = NULL;
char response[128];
if (new_fd < 0)
return;
START_TIMER;
if (!msg) {
err_code = -300;
err_msg = "NULL request message";
error("wiki: NULL request message");
goto resp_msg;
}
if (_parse_msg(msg, &req) != 0)
goto resp_msg;
cmd_ptr = strstr(req, "CMD=");
if (cmd_ptr == NULL) {
err_code = -300;
err_msg = "request lacks CMD";
error("wiki: request lacks CMD");
goto resp_msg;
}
cmd_ptr +=4;
err_code = 0;
if (strncmp(cmd_ptr, "GETJOBS", 7) == 0) {
msg_type = "wiki:GETJOBS";
if (!get_jobs(cmd_ptr, &err_code, &err_msg))
goto free_resp_msg;
} else if (strncmp(cmd_ptr, "GETNODES", 8) == 0) {
msg_type = "wiki:GETNODES";
if (!get_nodes(cmd_ptr, &err_code, &err_msg))
goto free_resp_msg;
} else if (strncmp(cmd_ptr, "STARTJOB", 8) == 0) {
msg_type = "wiki:STARTJOB";
start_job(cmd_ptr, &err_code, &err_msg);
} else if (strncmp(cmd_ptr, "CANCELJOB", 9) == 0) {
msg_type = "wiki:CANCELJOB";
cancel_job(cmd_ptr, &err_code, &err_msg);
} else if (strncmp(cmd_ptr, "SUSPENDJOB", 10) == 0) {
msg_type = "wiki:SUSPENDJOB";
suspend_job(cmd_ptr, &err_code, &err_msg);
} else if (strncmp(cmd_ptr, "RESUMEJOB", 9) == 0) {
msg_type = "wiki:RESUMEJOB";
resume_job(cmd_ptr, &err_code, &err_msg);
} else if (strncmp(cmd_ptr, "MODIFYJOB", 9) == 0) {
msg_type = "wiki:MODIFYJOB";
job_modify_wiki(cmd_ptr, &err_code, &err_msg);
} else {
err_code = -300;
err_msg = "unsupported request type";
error("wiki: unrecognized request type: %s", req);
}
END_TIMER2(msg_type);
resp_msg:
snprintf(response, sizeof(response),
"SC=%d RESPONSE=%s", err_code, err_msg);
_send_reply(new_fd, response);
return;
free_resp_msg:
/* Message is pre-formatted by get_jobs and get_nodes
* ONLY if no error. Send message and xfree the buffer. */
_send_reply(new_fd, err_msg);
xfree(err_msg);
return;
}
/*****************************************************************************\
* Parse, process and respond to a request
\*****************************************************************************/
static void _proc_msg(slurm_fd_t new_fd, char *msg)
{
DEF_TIMERS;
char *req, *cmd_ptr, *msg_type = NULL;
char response[128];
if (new_fd < 0)
return;
START_TIMER;
if (!msg) {
err_code = -300;
err_msg = "NULL request message";
error("wiki: NULL request message");
goto resp_msg;
}
if (_parse_msg(msg, &req) != 0)
goto resp_msg;
cmd_ptr = strstr(req, "CMD=");
if (cmd_ptr == NULL) {
err_code = -300;
err_msg = "request lacks CMD";
error("wiki: request lacks CMD");
goto resp_msg;
}
cmd_ptr +=4;
err_code = 0;
if (strncmp(cmd_ptr, "GETJOBS", 7) == 0) {
msg_type = "wiki:GETJOBS";
if (!get_jobs(cmd_ptr, &err_code, &err_msg))
goto free_resp_msg;
} else if (strncmp(cmd_ptr, "GETNODES", 8) == 0) {
msg_type = "wiki:GETNODES";
if (!get_nodes(cmd_ptr, &err_code, &err_msg))
goto free_resp_msg;
} else if (strncmp(cmd_ptr, "STARTJOB", 8) == 0) {
msg_type = "wiki:STARTJOB";
start_job(cmd_ptr, &err_code, &err_msg);
} else if (strncmp(cmd_ptr, "CANCELJOB", 9) == 0) {
msg_type = "wiki:CANCELJOB";
cancel_job(cmd_ptr, &err_code, &err_msg);
} else if (strncmp(cmd_ptr, "REQUEUEJOB", 10) == 0) {
msg_type = "wiki:REQUEUEJOB";
job_requeue_wiki(cmd_ptr, &err_code, &err_msg);
} else if (strncmp(cmd_ptr, "SUSPENDJOB", 10) == 0) {
msg_type = "wiki:SUSPENDJOB";
suspend_job(cmd_ptr, &err_code, &err_msg);
} else if (strncmp(cmd_ptr, "RESUMEJOB", 9) == 0) {
msg_type = "wiki:RESUMEJOB";
resume_job(cmd_ptr, &err_code, &err_msg);
} else if (strncmp(cmd_ptr, "JOBADDTASK", 10) == 0) {
msg_type = "wiki:JOBADDTASK";
job_add_task(cmd_ptr, &err_code, &err_msg);
} else if (strncmp(cmd_ptr, "JOBRELEASETASK", 14) == 0) {
msg_type = "wiki:JOBRELEASETASK";
job_release_task(cmd_ptr, &err_code, &err_msg);
} else if (strncmp(cmd_ptr, "JOBWILLRUN", 10) == 0) {
msg_type = "wiki:JOBWILLRUN";
if (strstr(cmd_ptr, "NODES=")) {
/* Updated format input and output */
if (!job_will_run2(cmd_ptr, &err_code, &err_msg))
goto free_resp_msg;
} else {
if (!job_will_run(cmd_ptr, &err_code, &err_msg))
goto free_resp_msg;
}
} else if (strncmp(cmd_ptr, "MODIFYJOB", 9) == 0) {
msg_type = "wiki:MODIFYJOB";
job_modify_wiki(cmd_ptr, &err_code, &err_msg);
} else if (strncmp(cmd_ptr, "NOTIFYJOB", 9) == 0) {
msg_type = "wiki:NOTIFYJOB";
job_notify_wiki(cmd_ptr, &err_code, &err_msg);
} else if (strncmp(cmd_ptr, "SIGNALJOB", 9) == 0) {
msg_type = "wiki:SIGNALJOB";
job_signal_wiki(cmd_ptr, &err_code, &err_msg);
} else if (strncmp(cmd_ptr, "INITIALIZE", 10) == 0) {
msg_type = "wiki:INITIALIZE";
initialize_wiki(cmd_ptr, &err_code, &err_msg);
} else {
err_code = -300;
err_msg = "unsupported request type";
error("wiki: unrecognized request type: %s", req);
}
END_TIMER2(msg_type);
resp_msg:
snprintf(response, sizeof(response),
"SC=%d RESPONSE=%s", err_code, err_msg);
_send_reply(new_fd, response);
return;
free_resp_msg:
/* Message is pre-formatted by get_jobs and get_nodes
* ONLY if no error. Send message and xfree the buffer. */
_send_reply(new_fd, err_msg);
xfree(err_msg);
return;
}