*/
#define GM_UNIT 0
-/*
- * prototypes
- */
-unsigned u_getgmnid(char *name, int get_local_id);
-void usage(char *prg, int h);
-
-int main(int argc, char **argv)
+void
+usage(char *prg, int h)
{
- unsigned int nid = 0;
- char *name = NULL;
- int c;
- int get_local_id = 0;
-
-
-
- while ((c = getopt(argc, argv, "n:lh")) != -1) {
- switch(c) {
- case('n'):
- if (get_local_id) {
- usage(argv[0], 0);
- exit(-1);
- }
- name = optarg;
- break;
- case('h'):
- usage(argv[0], 1);
- exit(-1);
- break;
- case('l'):
- if (name) {
- usage(argv[0], 0);
- exit(-1);
- }
- get_local_id = 1;
- break;
- default:
- usage(argv[0], 0);
- exit(-1);
- }
- }
-
- if (!name && !get_local_id) {
- usage(argv[0], 0);
- exit(-1);
- }
-
- nid = u_getgmnid(name, get_local_id);
- printf("%u\n", nid);
- exit(0);
+ fprintf(stderr, "usage %s -n hostname | -l | -h\n", prg);
+ if (h) {
+ printf("\nGet Myrinet Global network ids for specified host\n"
+ "-l gets network id for local host\n");
+ }
}
unsigned
u_getgmnid(char *name, int get_local_id)
{
- struct gm_port *gm_port;
- int gm_port_id = 2;
- gm_status_t gm_status = GM_SUCCESS;
+ struct gm_port *gm_port;
+ int gm_port_id = 2;
+ gm_status_t gm_status = GM_SUCCESS;
+ unsigned global_nid = 0, local_nid = 0; /* gm ids never 0 */
- /*
- * gm global or local ids are never 0
- */
- unsigned global_nid = 0, local_nid = 0;
+ gm_status = gm_init();
+ if (gm_status != GM_SUCCESS) {
+ fprintf(stderr, "gm_init: %s\n", gm_strerror(gm_status));
+ return(0);
+ }
- gm_status = gm_init();
- if (gm_status != GM_SUCCESS) {
- fprintf(stderr, "gm_init :: %s\n", gm_strerror(gm_status));
- return(0);
- }
-
- gm_status = gm_open(&gm_port, GM_UNIT, gm_port_id,
- "gmnalnid", GM_API_VERSION);
+ gm_status = gm_open(&gm_port, GM_UNIT, gm_port_id, "gmnalnid",
+ GM_API_VERSION);
+ if (gm_status != GM_SUCCESS) {
+ /* Couldn't open port 2, try 4 5 6 7 */
+ for (gm_port_id = 4; gm_port_id < 8; gm_port_id++) {
+ gm_status = gm_open(&gm_port, GM_UNIT, gm_port_id,
+ "gmnalnid", GM_API_VERSION);
+ if (gm_status == GM_SUCCESS)
+ break;
+
+ fprintf(stderr, "gm_open: %s\n",gm_strerror(gm_status));
+ gm_finalize();
+ return(0);
+ }
+ }
- if (gm_status != GM_SUCCESS) {
- /*
- * Couldn't open port 2
- * try 4 5 6 7
- */
-
- for (gm_port_id=4; gm_port_id<8; gm_port_id++) {
- gm_status = gm_open(&gm_port,
- GM_UNIT,
- gm_port_id,
- "gmnalnid",
- GM_API_VERSION);
- if (gm_status == GM_SUCCESS) {
- break;
- }
- fprintf(stderr, "gm_open :: %s\n",
- gm_strerror(gm_status));
- gm_finalize();
- return(0);
+ if (get_local_id) {
+ local_nid = 1;
+ } else {
+ gm_status = gm_host_name_to_node_id_ex(gm_port, 1000000, name,
+ &local_nid);
+ if (gm_status != GM_SUCCESS) {
+ fprintf(stderr, "gm_host_name_to_node_id_ex: %s\n",
+ gm_strerror(gm_status));
+ gm_close(gm_port);
+ gm_finalize();
+ return(0);
+ }
}
- }
- if (get_local_id) {
- local_nid = 1;
- } else {
- gm_status = gm_host_name_to_node_id_ex(gm_port, 1000000, name,
- &local_nid);
+ gm_status = gm_node_id_to_global_id(gm_port, local_nid, &global_nid) ;
if (gm_status != GM_SUCCESS) {
- fprintf(stderr, "gm_host_name_to_node_id_ex :: %s\n",
- gm_strerror(gm_status));
- gm_close(gm_port);
- gm_finalize();
- return(0);
+ fprintf(stderr, "gm_node_id_to_global_id: %s\n",
+ gm_strerror(gm_status));
+ gm_close(gm_port);
+ gm_finalize();
+ return(0);
}
- }
-
- gm_status = gm_node_id_to_global_id(gm_port, local_nid, &global_nid) ;
- if (gm_status != GM_SUCCESS) {
- fprintf(stderr, "gm_node_id_to_global_id :: %s\n",
- gm_strerror(gm_status));
gm_close(gm_port);
gm_finalize();
- return(0);
- }
- gm_close(gm_port);
- gm_finalize();
- return(global_nid);
+ return(global_nid);
}
-void
-usage(char *prg, int h)
+int main(int argc, char **argv)
{
+ unsigned int nid = 0;
+ char *name = NULL;
+ int c;
+ int get_local_id = 0;
+
+ while ((c = getopt(argc, argv, "n:lh")) != -1) {
+ switch(c) {
+ case('n'):
+ if (get_local_id) {
+ usage(argv[0], 0);
+ exit(-1);
+ }
+ name = optarg;
+ break;
+ case('h'):
+ usage(argv[0], 1);
+ exit(-1);
+ break;
+ case('l'):
+ if (name) {
+ usage(argv[0], 0);
+ exit(-1);
+ }
+ get_local_id = 1;
+ break;
+ default:
+ usage(argv[0], 0);
+ exit(-1);
+ }
+ }
+
+ if (!name && !get_local_id) {
+ usage(argv[0], 0);
+ exit(-1);
+ }
- fprintf(stderr, "usage %s -n hostname | -l | -h\n", prg);
- if (h) {
- printf("\nGet Myrinet Global network ids for specified host\n");
- printf("-l gets network id for local host\n");
- }
- return;
+ nid = u_getgmnid(name, get_local_id);
+ printf("%u\n", nid);
+ exit(0);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff