1 files changed, 47 insertions, 0 deletions
diff --git a/lib/sockunion.c b/lib/sockunion.c
index 0e7483bfbe..d77229797c 100644
--- a/lib/sockunion.c
+++ b/lib/sockunion.c
@@ -27,6 +27,7 @@
 #include "log.h"
 #include "jhash.h"
 #include "lib_errors.h"
+#include "printfrr.h"
 
 DEFINE_MTYPE_STATIC(LIB, SOCKUNION, "Socket union")
 
@@ -665,3 +666,49 @@ void sockunion_init(union sockunion *su)
 {
 	memset(su, 0, sizeof(union sockunion));
 }
+
+printfrr_ext_autoreg_p("SU", printfrr_psu)
+static ssize_t printfrr_psu(char *buf, size_t bsz, const char *fmt,
+			    int prec, const void *ptr)
+{
+	const union sockunion *su = ptr;
+	struct fbuf fb = { .buf = buf, .pos = buf, .len = bsz - 1 };
+	bool include_port = false;
+	bool endflags = false;
+	ssize_t consumed = 2;
+
+	while (!endflags) {
+		switch (fmt[consumed++]) {
+		case 'p':
+			include_port = true;
+			break;
+		default:
+			consumed--;
+			endflags = true;
+			break;
+		}
+	};
+
+	switch (sockunion_family(su)) {
+	case AF_UNSPEC:
+		bprintfrr(&fb, "(unspec)");
+		break;
+	case AF_INET:
+		inet_ntop(AF_INET, &su->sin.sin_addr, buf, bsz);
+		fb.pos += strlen(fb.buf);
+		if (include_port)
+			bprintfrr(&fb, ":%d", su->sin.sin_port);
+		break;
+	case AF_INET6:
+		inet_ntop(AF_INET6, &su->sin6.sin6_addr, buf, bsz);
+		fb.pos += strlen(fb.buf);
+		if (include_port)
+			bprintfrr(&fb, ":%d", su->sin6.sin6_port);
+		break;
+	default:
+		bprintfrr(&fb, "(af %d)", sockunion_family(su));
+	}
+
+	fb.pos[0] = '\0';
+	return consumed;
+}