/*
* slurm_get_node_energy_n - issue RPC to get the energy data of all
* configured sensors on the target machine
* IN host - name of node to query, NULL if localhost
* IN delta - Use cache if data is newer than this in seconds
* OUT sensors_cnt - number of sensors
* OUT energy - array of acct_gather_energy_t structures on success or
* NULL other wise
* RET 0 on success or a slurm error code
* NOTE: free the response using xfree
*/
extern int slurm_get_node_energy(char *host, uint16_t delta,
uint16_t *sensor_cnt,
acct_gather_energy_t **energy)
{
int rc;
slurm_msg_t req_msg;
slurm_msg_t resp_msg;
acct_gather_energy_req_msg_t req;
uint32_t cluster_flags = slurmdb_setup_cluster_flags();
char *this_addr;
xassert(sensor_cnt);
xassert(energy);
*sensor_cnt = 0;
*energy = NULL;
slurm_msg_t_init(&req_msg);
slurm_msg_t_init(&resp_msg);
if (host)
slurm_conf_get_addr(host, &req_msg.address);
else if (cluster_flags & CLUSTER_FLAG_MULTSD) {
if ((this_addr = getenv("SLURMD_NODENAME"))) {
slurm_conf_get_addr(this_addr, &req_msg.address);
} else {
this_addr = "localhost";
slurm_set_addr(&req_msg.address,
(uint16_t)slurm_get_slurmd_port(),
this_addr);
}
} else {
char this_host[256];
/*
* Set request message address to slurmd on localhost
*/
gethostname_short(this_host, sizeof(this_host));
this_addr = slurm_conf_get_nodeaddr(this_host);
if (this_addr == NULL)
this_addr = xstrdup("localhost");
slurm_set_addr(&req_msg.address,
(uint16_t)slurm_get_slurmd_port(),
this_addr);
xfree(this_addr);
}
req.delta = delta;
req_msg.msg_type = REQUEST_ACCT_GATHER_ENERGY;
req_msg.data = &req;
rc = slurm_send_recv_node_msg(&req_msg, &resp_msg, 0);
if (rc != 0 || !resp_msg.auth_cred) {
error("slurm_get_node_energy: %m");
if (resp_msg.auth_cred)
g_slurm_auth_destroy(resp_msg.auth_cred);
return SLURM_ERROR;
}
if (resp_msg.auth_cred)
g_slurm_auth_destroy(resp_msg.auth_cred);
switch (resp_msg.msg_type) {
case RESPONSE_ACCT_GATHER_ENERGY:
*sensor_cnt = ((acct_gather_node_resp_msg_t *)
resp_msg.data)->sensor_cnt;
*energy = ((acct_gather_node_resp_msg_t *)
resp_msg.data)->energy;
((acct_gather_node_resp_msg_t *) resp_msg.data)->energy = NULL;
slurm_free_acct_gather_node_resp_msg(resp_msg.data);
break;
case RESPONSE_SLURM_RC:
rc = ((return_code_msg_t *) resp_msg.data)->return_code;
slurm_free_return_code_msg(resp_msg.data);
if (rc)
slurm_seterrno_ret(rc);
break;
default:
slurm_seterrno_ret(SLURM_UNEXPECTED_MSG_ERROR);
break;
}
return SLURM_PROTOCOL_SUCCESS;
}
/*
* slurm_load_slurmd_status - issue RPC to get the status of slurmd
* daemon on this machine
* IN slurmd_info_ptr - place to store slurmd status information
* RET 0 or -1 on error
* NOTE: free the response using slurm_free_slurmd_status()
*/
extern int
slurm_load_slurmd_status(slurmd_status_t **slurmd_status_ptr)
{
int rc;
slurm_msg_t req_msg;
slurm_msg_t resp_msg;
uint32_t cluster_flags = slurmdb_setup_cluster_flags();
char *this_addr;
slurm_msg_t_init(&req_msg);
slurm_msg_t_init(&resp_msg);
if (cluster_flags & CLUSTER_FLAG_MULTSD) {
if ((this_addr = getenv("SLURMD_NODENAME"))) {
slurm_conf_get_addr(this_addr, &req_msg.address);
} else {
this_addr = "localhost";
slurm_set_addr(&req_msg.address,
(uint16_t)slurm_get_slurmd_port(),
this_addr);
}
} else {
char this_host[256];
/*
* Set request message address to slurmd on localhost
*/
gethostname_short(this_host, sizeof(this_host));
this_addr = slurm_conf_get_nodeaddr(this_host);
if (this_addr == NULL)
this_addr = xstrdup("localhost");
slurm_set_addr(&req_msg.address,
(uint16_t)slurm_get_slurmd_port(),
this_addr);
xfree(this_addr);
}
req_msg.msg_type = REQUEST_DAEMON_STATUS;
req_msg.data = NULL;
rc = slurm_send_recv_node_msg(&req_msg, &resp_msg, 0);
if ((rc != 0) || !resp_msg.auth_cred) {
error("slurm_slurmd_info: %m");
if (resp_msg.auth_cred)
g_slurm_auth_destroy(resp_msg.auth_cred);
return SLURM_ERROR;
}
if (resp_msg.auth_cred)
g_slurm_auth_destroy(resp_msg.auth_cred);
switch (resp_msg.msg_type) {
case RESPONSE_SLURMD_STATUS:
*slurmd_status_ptr = (slurmd_status_t *) resp_msg.data;
break;
case RESPONSE_SLURM_RC:
rc = ((return_code_msg_t *) resp_msg.data)->return_code;
slurm_free_return_code_msg(resp_msg.data);
if (rc)
slurm_seterrno_ret(rc);
break;
default:
slurm_seterrno_ret(SLURM_UNEXPECTED_MSG_ERROR);
break;
}
return SLURM_PROTOCOL_SUCCESS;
}
/*
* slurm_network_callerid - issue RPC to get the job id of a job from a remote
* slurmd based upon network socket information.
*
* IN req - Information about network connection in question
* OUT job_id - ID of the job or NO_VAL
* OUT node_name - name of the remote slurmd
* IN node_name_size - size of the node_name buffer
* RET SLURM_PROTOCOL_SUCCESS or SLURM_FAILURE on error
*/
extern int
slurm_network_callerid (network_callerid_msg_t req, uint32_t *job_id,
char *node_name, int node_name_size)
{
int rc;
slurm_msg_t resp_msg;
slurm_msg_t req_msg;
network_callerid_resp_t *resp;
struct sockaddr_in addr;
uint32_t target_slurmd; /* change for IPv6 support */
debug("slurm_network_callerid RPC: start");
slurm_msg_t_init(&req_msg);
slurm_msg_t_init(&resp_msg);
/* ip_src is the IP we want to talk to. Hopefully there's a slurmd
* listening there */
memset(&addr, 0, sizeof(addr));
addr.sin_family = req.af;
/* TODO: until IPv6 support is added to Slurm, we must hope that the
* other end is IPv4 */
if (req.af == AF_INET6) {
error("IPv6 is not yet supported in Slurm");
/* For testing IPv6 callerid prior to Slurm IPv6 RPC support,
* set a sane target, uncomment the following and comment out
* the return code:
addr.sin_family = AF_INET;
target_slurmd = inet_addr("127.0.0.1"); //choose a test target
*/
return SLURM_FAILURE;
} else
memcpy(&target_slurmd, req.ip_src, 4);
addr.sin_addr.s_addr = target_slurmd;
addr.sin_port = htons(slurm_get_slurmd_port());
req_msg.address = addr;
req_msg.msg_type = REQUEST_NETWORK_CALLERID;
req_msg.data = &req;
if (slurm_send_recv_node_msg(&req_msg, &resp_msg, 0) < 0)
return SLURM_ERROR;
switch (resp_msg.msg_type) {
case RESPONSE_NETWORK_CALLERID:
resp = (network_callerid_resp_t*)resp_msg.data;
*job_id = resp->job_id;
strncpy(node_name, resp->node_name, node_name_size);
break;
case RESPONSE_SLURM_RC:
rc = ((return_code_msg_t *) resp_msg.data)->return_code;
if (rc)
slurm_seterrno_ret(rc);
break;
default:
slurm_seterrno_ret(SLURM_UNEXPECTED_MSG_ERROR);
break;
}
slurm_free_network_callerid_msg(resp_msg.data);
return SLURM_PROTOCOL_SUCCESS;
}
