This add a getguid functionnality to openSM console which makes it really easy
to generate cn_guid_file, root_guid_file and such
by dumping into a file all port guids whom nodedesc contains at least one of
the provided regexps
Signed-off-by: Nicolas Morey-Chaisemartin
<[email protected]>
---
opensm/opensm/osm_console.c | 131 +++++++++++++++++++++++++++++++++++++++++++
1 files changed, 131 insertions(+), 0 deletions(-)
diff --git a/opensm/opensm/osm_console.c b/opensm/opensm/osm_console.c
index c6e8e59..e4dc6e9 100644
--- a/opensm/opensm/osm_console.c
+++ b/opensm/opensm/osm_console.c
@@ -42,6 +42,7 @@
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
+#include <regex.h>
#ifdef ENABLE_OSM_CONSOLE_SOCKET
#include <arpa/inet.h>
#endif
@@ -1172,6 +1173,135 @@ static void version_parse(char **p_last, osm_opensm_t * p_osm, FILE * out)
fprintf(out, "%s build %s %s\n", p_osm->osm_version, __DATE__, __TIME__);
}
+typedef struct _regexp_list {
+ regex_t exp;
+ struct _regexp_list* next;
+} regexp_list_t;
+
+
+static void getguid_parse(char **p_last, osm_opensm_t *p_osm, FILE *out)
+{
+ cl_qmap_t *p_port_guid_tbl;
+ osm_port_t* p_port;
+ osm_port_t* p_next_port;
+
+ regexp_list_t* p_head_regexp=NULL;
+ regexp_list_t* p_regexp;
+
+ /* Option variables*/
+ char* p_cmd=NULL;
+ FILE* output=out;
+ int exit_after_run=0;
+ extern volatile unsigned int osm_exit_flag;
+
+ /* Read commande line */
+
+ while(1){
+ p_cmd = next_token(p_last);
+ if (p_cmd) {
+ if (strcmp(p_cmd, "exit_after_run") == 0) {
+ exit_after_run = 1;
+ } else if (strcmp(p_cmd, "file") == 0) {
+ p_cmd=next_token(p_last);
+ if(p_cmd){
+ output = fopen(p_cmd,"w+");
+ if(output == NULL){
+ fprintf(out,"Could not open file %s: %s\n",p_cmd,strerror(errno));
+ output = out;
+ }
+ } else {
+ /* No file name passed */
+ fprintf(out,"No file name passed\n");
+ }
+ } else {
+ p_regexp = malloc(sizeof(*p_regexp));
+ if(regcomp(&(p_regexp->exp),p_cmd,REG_NOSUB|REG_EXTENDED)!=0){
+ fprintf(out,"Couldn't parse regular expression %s. Skipping it.\n",p_cmd);
+ }
+ p_regexp->next = p_head_regexp;
+ p_head_regexp = p_regexp;
+ }
+ } else {
+ /* No more tokens */
+ break;
+ }
+ }
+
+ /* Check we have at least one expression to match */
+ if(p_head_regexp == NULL){
+ fprintf(out,"No valid expression provided. Aborting\n");
+ return;
+ }
+
+ /* Ensure this SM is master (so we have the LFT) */
+
+ getguid_wait_init:
+ if(osm_exit_flag)
+ return;
+ cl_spinlock_acquire(&p_osm->sm.state_lock);
+ /* If the subnet struct is not properly initialized, we exit */
+ if(p_osm->sm.p_subn == NULL){
+ cl_spinlock_release(&p_osm->sm.state_lock);
+ sleep(1);
+ goto getguid_wait_init;
+ }
+ if(p_osm->sm.p_subn->sm_state != IB_SMINFO_STATE_MASTER){
+ cl_spinlock_release(&p_osm->sm.state_lock);
+ sleep(1);
+ goto getguid_wait_init;
+ }
+ cl_spinlock_release(&p_osm->sm.state_lock);
+ if(p_osm->sm.p_subn->need_update != 0){
+ sleep(1);
+ goto getguid_wait_init;
+ }
+
+ /* Subnet doesn't need to be updated so we can carry on */
+
+
+ CL_PLOCK_EXCL_ACQUIRE(p_osm->sm.p_lock);
+ p_port_guid_tbl = &(p_osm->sm.p_subn->port_guid_tbl);
+
+
+
+ p_next_port = (osm_port_t*)cl_qmap_head(p_port_guid_tbl);
+ while (p_next_port != (osm_port_t*)cl_qmap_end(p_port_guid_tbl)) {
+
+ p_port = p_next_port;
+ p_next_port = (osm_port_t*)cl_qmap_next(&p_next_port->map_item);
+
+ for(p_regexp = p_head_regexp;p_regexp!=NULL;p_regexp = p_regexp->next){
+ if(regexec(&(p_regexp->exp),p_port->p_node->print_desc,0,NULL,0) == 0){
+ fprintf(output,"0x%"PRIxLEAST64"\n",cl_ntoh64(p_port->p_physp->port_guid));
+ }
+ }
+ }
+
+CL_PLOCK_RELEASE(p_osm->sm.p_lock);
+ if(output != out)
+ fclose(output);
+ if(exit_after_run)
+ osm_exit_flag = 1;
+
+}
+
+
+
+
+static void help_getguid(FILE * out, int detail)
+{
+ fprintf(out, "getguid [exit_after_run|file filename] regexp1 [regexp2 [regexp3 ...]] -- Dump port GUID matching a regexp \n");
+ if (detail) {
+ fprintf(out,
+ "getguid -- Dump all the port GUID whom node_desc matches one of the provided regexp\n");
+ fprintf(out,
+ " [file filename] -- Send the port GUID list to the specified file instead of regular output\n");
+ fprintf(out,
+ " [exit_after_run] -- Quit OpenSM once the port GUID have been displayed\n");
+ }
+
+}
+
/* more parse routines go here */
static const struct command console_cmds[] = {
@@ -1192,6 +1322,7 @@ static const struct command console_cmds[] = {
#ifdef ENABLE_OSM_PERF_MGR
{"perfmgr", &help_perfmgr, &perfmgr_parse},
#endif /* ENABLE_OSM_PERF_MGR */
+ {"getguid", &help_getguid, &getguid_parse},
{NULL, NULL, NULL} /* end of array */
};
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