From 1b584010955d60256eed1bc206b4baea2a27b708 Mon Sep 17 00:00:00 2001
From: angt <angt@users.noreply.github.com>
Date: Thu, 24 Mar 2016 14:38:43 +0000
Subject: [PATCH] Add mud_is_up()

---
 mud.c | 12 ++++++++++++
 mud.h |  1 +
 2 files changed, 13 insertions(+)

diff --git a/mud.c b/mud.c
index 0f96de8..1965d30 100644
--- a/mud.c
+++ b/mud.c
@@ -649,6 +649,18 @@ int mud_can_pull (struct mud *mud)
     return (mud->rx.start != MUD_PACKET_NEXT(mud->rx.end));
 }
 
+int mud_is_up (struct mud *mud)
+{
+    struct path *path;
+
+    int ret = 0;
+
+    for (path = mud->path; path; path = path->next)
+        ret += path->up;
+
+    return ret;
+}
+
 int mud_pull (struct mud *mud)
 {
     unsigned char ctrl[1024];
diff --git a/mud.h b/mud.h
index 61cc71f..ba65f0a 100644
--- a/mud.h
+++ b/mud.h
@@ -14,6 +14,7 @@ int mud_bind (struct mud *, const char *);
 int mud_peer (struct mud *, const char *, const char *);
 
 int mud_can_pull (struct mud *);
+int mud_is_up    (struct mud *);
 
 int mud_pull (struct mud *);
 int mud_push (struct mud *);