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slurm_protocol_pack.c 11.5 KiB
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#include <stdlib.h>
#include <errno.h>
#include <string.h>

#include <src/common/slurm_protocol_pack.h>
#include <src/common/pack.h>
#include <src/common/log.h>
#include <src/slurmctld/slurmctld.h>
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/* pack_header
 * packs a slurm protocol header that proceeds every slurm message
 * header 	- the header structure to pack
 * buffer	- destination of the pack, note buffer will be incremented by underlying pack routines
 * length	- length of buffer, note length will be decremented by underlying pack routines
 */
void pack_header ( header_t * header, char ** buffer , uint32_t * length )
{
	pack16 ( header -> version , ( void ** ) buffer , length ) ;
	pack16 ( header -> flags , ( void ** ) buffer , length ) ;
	pack16 ( header -> msg_type , ( void ** ) buffer , length ) ;
	pack32 ( header -> body_length , ( void ** ) buffer , length ) ;
}

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/* unpack_header
 * unpacks a slurm protocol header that proceeds every slurm message
 * header 	- the header structure to unpack
 * buffer	- destination of the pack, note buffer will be incremented by underlying unpack routines
 * length	- length of buffer, note length will be decremented by underlying unpack routines
 */
void unpack_header ( header_t * header , char ** buffer , uint32_t * length )
{
	unpack16 ( & header -> version , ( void ** ) buffer , length ) ;
	unpack16 ( & header -> flags , ( void ** ) buffer , length ) ;
	unpack16 ( & header -> msg_type , ( void ** ) buffer , length ) ;
	unpack32 ( & header -> body_length , ( void ** ) buffer , length ) ;
}

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/* pack_msg
 * packs a slurm protocol mesg body
 * header 	- the body structure to pack
 * buffer	- destination of the pack, note buffer will be incremented by underlying pack routines
 * length	- length of buffer, note length will be decremented by underlying pack routines
 */
int pack_msg ( slurm_msg_t const * msg , char ** buffer , uint32_t * buf_len )
	switch ( msg -> msg_type )
	{
		case REQUEST_NODE_REGISRATION_STATUS :
			break ;
		case MESSAGE_NODE_REGISRATION_STATUS :
			break ;
		case REQUEST_RESOURCE_ALLOCATION :
		case REQUEST_SUBMIT_BATCH_JOB :
			pack_job_desc ( (job_desc_t * )  msg -> data , ( void ** ) buffer , buf_len )  ;
			break ;
		case RESPONSE_RESOURCE_ALLOCATION :
			break ;
		case RESPONSE_SUBMIT_BATCH_JOB :
			break ;
		case REQUEST_CANCEL_JOB :
			break ;
		case REQUEST_CANCEL_JOB_STEP :
			break ;
		case REQUEST_SIGNAL_JOB :
			break ;
		case REQUEST_SIGNAL_JOB_STEP :
			break ;
		case REQUEST_RECONFIGURE :
			break ;
		case RESPONSE_CANCEL_JOB :
		case RESPONSE_RECONFIGURE :
		case RESPONSE_CANCEL_JOB_STEP :
		case RESPONSE_SIGNAL_JOB :
		case RESPONSE_SIGNAL_JOB_STEP :
			break ;
		case REQUEST_JOB_INFO :
			break ;
		case REQUEST_JOB_ATTACH :
			break ;
		case RESPONSE_JOB_ATTACH :
			break ;
		case REQUEST_LAUNCH_TASKS :
			break ;
		case REQUEST_GET_JOB_STEP_INFO :
			break ;
		case RESPONSE_GET_JOB_STEP_INFO :
			break ;
		case REQUEST_JOB_RESOURCE :
			break ;
		case RESPONSE_JOB_RESOURCE :
			break ;
		case REQUEST_RUN_JOB_STEP :
			break ;
		case RESPONSE_RUN_JOB_STEP:
			break ;
		case REQUEST_GET_KEY :
			break ;
		case RESPONSE_GET_KEY :
			break ;
		case MESSAGE_TASK_EXIT :
			break ;
		case REQUEST_BATCH_JOB_LAUNCH :
			break ;
		case MESSAGE_UPLOAD_ACCOUNTING_INFO :
			break ;
		default :
			debug ( "No pack method for msg type %i",  msg -> msg_type ) ;
			return EINVAL ;
	return 0 ;
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/* unpack_msg
 * unpacks a slurm protocol msg body
 * header 	- the body structure to unpack
 * buffer	- destination of the pack, note buffer will be incremented by underlying unpack routines
 * length	- length of buffer, note length will be decremented by underlying unpack routines
 */
int unpack_msg ( slurm_msg_t * msg ,char ** buffer , uint32_t * buf_len )
	switch ( msg-> msg_type )
		case REQUEST_NODE_REGISRATION_STATUS :
			break ;
		case MESSAGE_NODE_REGISRATION_STATUS :
			break ;
		case REQUEST_RESOURCE_ALLOCATION :
		case REQUEST_SUBMIT_BATCH_JOB :
			unpack_job_desc ( ( job_desc_t **) & ( msg-> data ), ( void ** ) buffer , buf_len ) ;
			break ;
		case RESPONSE_RESOURCE_ALLOCATION :
			break ;
		case RESPONSE_SUBMIT_BATCH_JOB :
			break ;
		case REQUEST_CANCEL_JOB :
			break ;
		case REQUEST_CANCEL_JOB_STEP :
			break ;
		case REQUEST_SIGNAL_JOB :
			break ;
		case REQUEST_SIGNAL_JOB_STEP :
			break ;
		case REQUEST_RECONFIGURE :
			break ;
		case RESPONSE_CANCEL_JOB :
		case RESPONSE_RECONFIGURE :
		case RESPONSE_CANCEL_JOB_STEP :
		case RESPONSE_SIGNAL_JOB :
		case RESPONSE_SIGNAL_JOB_STEP :
			break ;
		case REQUEST_JOB_INFO :
			break ;
		case REQUEST_JOB_ATTACH :
			break ;
		case RESPONSE_JOB_ATTACH :
			break ;
		case REQUEST_LAUNCH_TASKS :
			break ;
		case REQUEST_GET_JOB_STEP_INFO :
			break ;
		case RESPONSE_GET_JOB_STEP_INFO :
			break ;
		case REQUEST_JOB_RESOURCE :
			break ;
		case RESPONSE_JOB_RESOURCE :
			break ;
		case REQUEST_RUN_JOB_STEP :
			break ;
		case RESPONSE_RUN_JOB_STEP:
			break ;
		case REQUEST_GET_KEY :
			break ;
		case RESPONSE_GET_KEY :
			break ;
		case MESSAGE_TASK_EXIT :
			break ;
		case REQUEST_BATCH_JOB_LAUNCH :
			break ;
		case MESSAGE_UPLOAD_ACCOUNTING_INFO :
			break ;
		default :
			debug ( "No pack method for msg type %i",  msg -> msg_type ) ;
			return EINVAL ;
	return 0 ;
void pack_node_registration_status_msg ( node_registration_status_msg_t * msg, char ** buffer , uint32_t * length )
	pack32 ( msg -> timestamp , ( void ** ) buffer , length ) ;
	pack32 ( msg -> memory_size , ( void ** ) buffer , length ) ;
	pack32 ( msg -> temporary_disk_space , ( void ** ) buffer , length ) ;
void unpack_node_registration_status_msg ( node_registration_status_msg_t * msg , char ** buffer , uint32_t * length )
	unpack32 ( & msg -> timestamp , ( void ** ) buffer , length ) ;
	unpack32 ( & msg -> memory_size , ( void ** ) buffer , length ) ;
	unpack32 ( & msg -> temporary_disk_space , ( void ** ) buffer , length ) ;
int unpack_build_info ( struct build_buffer **build_buffer_ptr, void * buffer , int buffer_size )
{	
	uint16_t uint16_tmp;
	uint32_t uint32_time;
	struct build_table * build_ptr ;
	void * buf_ptr;

	/* alloc memory for structure */	
	build_ptr = malloc ( sizeof ( struct build_table ) ) ;
	if (build_ptr == NULL) 
	{
		return ENOMEM;
	}

	/* load the data values */
	/* unpack timestamp of snapshot */
	buf_ptr = buffer ;
	unpack32 (&uint32_time, &buf_ptr, &buffer_size);

	unpack16 (&build_ptr->backup_interval, &buf_ptr, &buffer_size);
	unpackstr_ptr (&build_ptr->backup_location, &uint16_tmp, &buf_ptr, &buffer_size);
	unpackstr_ptr (&build_ptr->backup_machine, &uint16_tmp, &buf_ptr, &buffer_size);
	unpackstr_ptr (&build_ptr->control_daemon, &uint16_tmp, &buf_ptr, &buffer_size);
	unpackstr_ptr (&build_ptr->control_machine, &uint16_tmp, &buf_ptr, &buffer_size);
	unpack16 (&build_ptr->controller_timeout, &buf_ptr, &buffer_size);
	unpackstr_ptr (&build_ptr->epilog, &uint16_tmp, &buf_ptr, &buffer_size);
	unpack16 (&build_ptr->fast_schedule, &buf_ptr, &buffer_size);
	unpack16 (&build_ptr->hash_base, &buf_ptr, &buffer_size);
	unpack16 (&build_ptr->heartbeat_interval, &buf_ptr, &buffer_size);
	unpackstr_ptr (&build_ptr->init_program, &uint16_tmp, &buf_ptr, &buffer_size);
	unpack16 (&build_ptr->kill_wait, &buf_ptr, &buffer_size);
	unpackstr_ptr (&build_ptr->prioritize, &uint16_tmp, &buf_ptr, &buffer_size);
	unpackstr_ptr (&build_ptr->prolog, &uint16_tmp, &buf_ptr, &buffer_size);
	unpackstr_ptr (&build_ptr->server_daemon, &uint16_tmp, &buf_ptr, &buffer_size);
	unpack16 (&build_ptr->server_timeout, &buf_ptr, &buffer_size);
	unpackstr_ptr (&build_ptr->slurm_conf, &uint16_tmp, &buf_ptr, &buffer_size);
	unpackstr_ptr (&build_ptr->tmp_fs, &uint16_tmp, &buf_ptr, &buffer_size);

	*build_buffer_ptr = malloc (sizeof (struct build_buffer));
	if (*build_buffer_ptr == NULL) {
		free (build_ptr);
		return ENOMEM;
	}
	(*build_buffer_ptr)->last_update = (time_t) uint32_time;
	(*build_buffer_ptr)->raw_buffer_ptr = buffer;
	(*build_buffer_ptr)->build_table_ptr = build_ptr;
	return 0;
}

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/* pack_job_desc
 * packs a job_desc struct 
 * header 	- the body structure to pack
 * buf_ptr	- destination of the pack, note buffer will be incremented by underlying pack routines
 * buffer_size	- length of buffer, note length will be decremented by underlying pack routines
 */
void pack_job_desc ( job_desc_t * job_desc_ptr, void ** buf_ptr , int * buffer_size )
{	
	/* load the data values */
	/* unpack timestamp of snapshot */

	pack16 (job_desc_ptr->contiguous, buf_ptr, buffer_size);
	packstr (job_desc_ptr->features, buf_ptr, buffer_size);
	packstr (job_desc_ptr->groups, buf_ptr, buffer_size);
	pack32 (job_desc_ptr->job_id, buf_ptr, buffer_size);
	packstr (job_desc_ptr->name, buf_ptr, buffer_size);
	packmem (job_desc_ptr->partition_key, 32, buf_ptr, buffer_size);
	pack32 (job_desc_ptr->min_procs, buf_ptr, buffer_size);
	pack32 (job_desc_ptr->min_memory, buf_ptr, buffer_size);
	pack32 (job_desc_ptr->min_tmp_disk, buf_ptr, buffer_size);
	packstr (job_desc_ptr->partition, buf_ptr, buffer_size);
	pack32 (job_desc_ptr->priority, buf_ptr, buffer_size);
	packstr (job_desc_ptr->partition, buf_ptr, buffer_size);
	packstr (job_desc_ptr->partition, buf_ptr, buffer_size);
	pack16 (job_desc_ptr->shared, buf_ptr, buffer_size);
	pack32 (job_desc_ptr->time_limit, buf_ptr, buffer_size);
	pack32 (job_desc_ptr->num_procs, buf_ptr, buffer_size);
	pack32 (job_desc_ptr->num_nodes, buf_ptr, buffer_size);
	pack32 (job_desc_ptr->user_id, buf_ptr, buffer_size);
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/* unpack_msg
 * unpacks a job_desc struct
 * header 	- the body structure to unpack
 * buf_ptr	- destination of the pack, note buffer will be incremented by underlying unpack routines
 * buffer_size	- length of buffer, note length will be decremented by underlying unpack routines
 */
void unpack_job_desc ( job_desc_t **job_desc_buffer_ptr, void ** buf_ptr , int * buffer_size )
{	
	uint16_t uint16_tmp;
	job_desc_t * job_desc_ptr ;

	/* alloc memory for structure */
	job_desc_ptr = malloc ( sizeof ( job_desc_t ) ) ;
	if (job_desc_ptr== NULL) 
	{
		*job_desc_buffer_ptr = NULL ;
		return ;
	}

	/* load the data values */
	/* unpack timestamp of snapshot */

	unpack16 (&job_desc_ptr->contiguous, buf_ptr, buffer_size);
	unpackstr_ptr (&job_desc_ptr->features, &uint16_tmp, buf_ptr, buffer_size);
	unpackstr_ptr (&job_desc_ptr->groups, &uint16_tmp, buf_ptr, buffer_size);
	unpack32 (&job_desc_ptr->job_id, buf_ptr, buffer_size);
	unpackstr_ptr (&job_desc_ptr->name, &uint16_tmp, buf_ptr, buffer_size);
	unpackmem_ptr ( ( char ** ) &job_desc_ptr->partition_key, &uint16_tmp, buf_ptr, buffer_size);
	unpack32 (&job_desc_ptr->min_procs, buf_ptr, buffer_size);
	unpack32 (&job_desc_ptr->min_memory, buf_ptr, buffer_size);
	unpack32 (&job_desc_ptr->min_tmp_disk, buf_ptr, buffer_size);
	unpackstr_ptr (&job_desc_ptr->partition, &uint16_tmp, buf_ptr, buffer_size);
	unpack32 (&job_desc_ptr->priority, buf_ptr, buffer_size);
	unpackstr_ptr (&job_desc_ptr->partition, &uint16_tmp, buf_ptr, buffer_size);
	unpackstr_ptr (&job_desc_ptr->partition, &uint16_tmp, buf_ptr, buffer_size);
	unpack16 (&job_desc_ptr->shared, buf_ptr, buffer_size);
	unpack32 (&job_desc_ptr->time_limit, buf_ptr, buffer_size);
	unpack32 (&job_desc_ptr->num_procs, buf_ptr, buffer_size);
	unpack32 (&job_desc_ptr->num_nodes, buf_ptr, buffer_size);
	unpack32 (&job_desc_ptr->user_id, buf_ptr, buffer_size);

	*job_desc_buffer_ptr = job_desc_ptr ;
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void pack_ ( * msg , char ** buffer , uint32_t * length )
	pack16 ( msg -> , buffer , length ) ;
	pack32 ( msg -> , buffer , length ) ;
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void unpack_ ( * msg , char ** buffer , uint32_t * length )
	unpack16 ( & msg -> , buffer , length ) ;
	unpack32 ( & msg -> , buffer , length ) ;