File multipath-tools-dump-hwtable of Package multipath-tools

File multipath-tools-dump-hwtable of Package multipath-tools (Revision 1732418097626adfd1aae653a3f61224)

Currently displaying revision 1732418097626adfd1aae653a3f61224, show latest

diff --git a/libmultipath/print.c b/libmultipath/print.c
index 8186cdf..cde5aa6 100644
--- a/libmultipath/print.c
+++ b/libmultipath/print.c
@@ -738,7 +738,7 @@ snprint_hwentry (char * buff, int len, s
 	if (fwd > len)
 		return len;
 	iterate_sub_keywords(rootkw, kw, i) {
-		fwd += snprint_keyword(buff + fwd, len - fwd, "\t\t%k %v\n",
+		fwd += snprint_keyword(buff + fwd, len - fwd, "\t\t%k \"%v\"\n",
 				kw, hwe);
 		if (fwd > len)
 			return len;
diff --git a/multipath/main.c b/multipath/main.c
index e77a742..d4ba96d 100644
--- a/multipath/main.c
+++ b/multipath/main.c
@@ -72,7 +72,7 @@ static void
 usage (char * progname)
 {
 	fprintf (stderr, VERSION_STRING);
-	fprintf (stderr, "Usage: %s\t[-v level] [-d] [-h|-l|-ll|-f|-F]\n",
+	fprintf (stderr, "Usage: %s\t[-v level] [-d] [-h|-l|-ll|-f|-F|-t]\n",
 		progname);
 	fprintf (stderr,
 		"\t\t\t[-p failover|multibus|group_by_serial|group_by_prio]\n" \
@@ -90,6 +90,7 @@ usage (char * progname)
 		"\t-ll\t\tshow multipath topology (maximum info)\n" \
 		"\t-f\t\tflush a multipath device map\n" \
 		"\t-F\t\tflush all multipath device maps\n" \
+		"\t-t\t\tprint internal hardware table\n" \
 		"\t-p policy\tforce all maps to specified policy :\n" \
 		"\t   failover\t\t1 path per priority group\n" \
 		"\t   multibus\t\tall paths in 1 priority group\n" \
@@ -303,6 +304,55 @@ out:
 	return r;
 }
 
+static int
+dump_config (void)
+{
+	char * c;
+	char * reply;
+	unsigned int maxlen = 256;
+	int again = 1;
+
+	reply = MALLOC(maxlen);
+
+	while (again) {
+		if (!reply)
+			return 1;
+		c = reply;
+		c += snprint_defaults(c, reply + maxlen - c);
+		again = ((c - reply) == maxlen);
+		if (again) {
+			reply = REALLOC(reply, maxlen *= 2);
+			continue;
+		}
+		c += snprint_blacklist(c, reply + maxlen - c);
+		again = ((c - reply) == maxlen);
+		if (again) {
+			reply = REALLOC(reply, maxlen *= 2);
+			continue;
+		}
+		c += snprint_blacklist_except(c, reply + maxlen - c);
+		again = ((c - reply) == maxlen);
+		if (again) {
+			reply = REALLOC(reply, maxlen *= 2);
+			continue;
+		}
+		c += snprint_hwtable(c, reply + maxlen - c, conf->hwtable);
+		again = ((c - reply) == maxlen);
+		if (again) {
+			reply = REALLOC(reply, maxlen *= 2);
+			continue;
+		}
+		c += snprint_mptable(c, reply + maxlen - c, conf->mptable);
+		again = ((c - reply) == maxlen);
+		if (again)
+			reply = REALLOC(reply, maxlen *= 2);
+	}
+
+	printf("%s", reply);
+	FREE(reply);
+	return 0;
+}
+
 int
 main (int argc, char *argv[])
 {
@@ -326,7 +376,7 @@ main (int argc, char *argv[])
 	if (load_config(DEFAULT_CONFIGFILE))
 		exit(1);
 
-	while ((arg = getopt(argc, argv, ":dhl::FfM:v:p:b:")) != EOF ) {
+	while ((arg = getopt(argc, argv, ":dhl::FfM:v:p:b:t")) != EOF ) {
 		switch(arg) {
 		case 1: printf("optarg : %s\n",optarg);
 			break;
@@ -369,6 +419,9 @@ #endif
 				usage(argv[0]);
 			}                
 			break;
+		case 't':
+			dump_config();
+			goto out;
 		case 'h':
 			usage(argv[0]);
 		case ':':
diff --git a/multipath/multipath.8 b/multipath/multipath.8
index 27dea96..8844619 100644
--- a/multipath/multipath.8
+++ b/multipath/multipath.8
@@ -47,6 +47,9 @@ flush a multipath device map specified a
 .B \-F
 flush all unused multipath device maps
 .TP
+.B \-t
+print internal hardware table to stdout
+.TP
 .BI \-p " policy"
 force maps to specified policy:
 .RS 1.2i