From ae481c4166b08c3f55d689bb7710f130b411df5d Mon Sep 17 00:00:00 2001
From: "James R. Leu" <jleu@mindspring.com>
Date: Mon, 16 May 2005 20:24:12 -0600
Subject: [PATCH] I added more debug code while bug hunting

[git-p4: depot-paths = "//depot/ldp-portable/": change = 1146]
---
 ldp/ldp_fec.c | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/ldp/ldp_fec.c b/ldp/ldp_fec.c
index 234ed09..162332f 100644
--- a/ldp/ldp_fec.c
+++ b/ldp/ldp_fec.c
@@ -36,6 +36,12 @@
 
 static uint32_t _ldp_fec_next_index = 1;
 
+static void walk_tree(ldp_global *g) {
+  LDP_ENTER(g->user_data, "walk_tree");
+  route_dump_node(g->fec_tree);
+  LDP_EXIT(g->user_data, "walk_tree");
+}
+
 static mpls_return_enum ldp_fec_insert(ldp_global *g, ldp_fec * fec)
 {
   mpls_return_enum retval = MPLS_SUCCESS;
@@ -62,6 +68,8 @@ static mpls_return_enum ldp_fec_insert(ldp_global *g, ldp_fec * fec)
       MPLS_ASSERT(0);
   }
 
+  LDP_PRINT(g->user_data, "ldp_fec_insert: 0x%08x/%d\n", key, len);
+
   if (mpls_tree_insert(g->fec_tree, key, len, (void *)fec) != MPLS_SUCCESS) {
     LDP_PRINT(g->user_data, "ldp_fec_insert: error adding fec\n");
     retval = MPLS_FATAL;
@@ -97,6 +105,7 @@ static void ldp_fec_remove(ldp_global *g, mpls_fec *fec)
       MPLS_ASSERT(0);
   }
 
+  LDP_PRINT(g->user_data, "ldp_fec_remove: 0x%08x/%d\n", key, len);
   mpls_tree_remove(g->fec_tree, key, len, (void **)&f);
 
   MPLS_ASSERT(f);
@@ -185,6 +194,7 @@ ldp_fec *ldp_fec_find(ldp_global *g, mpls_fec *fec)
       MPLS_ASSERT(0);
   }
 
+  LDP_PRINT(g->user_data, "ldp_fec_find: 0x%08x/%d\n", key, len);
   if (mpls_tree_get(g->fec_tree, key, len, (void **)&f) != MPLS_SUCCESS) {
     return NULL;
   }
@@ -253,15 +263,20 @@ mpls_return_enum ldp_fec_add_nexthop(ldp_global *g, ldp_fec * f,
 {
   MPLS_ASSERT(f && nh);
 
+  LDP_ENTER(g->user_data, "ldp_fec_add_nexthop");
+
   MPLS_REFCNT_HOLD(nh);
   MPLS_LIST_ADD_HEAD(&f->nh_root, nh, _fec, ldp_nexthop);
 
   ldp_nexthop_add_fec(nh, f);
+
+  LDP_EXIT(g->user_data, "ldp_fec_add_nexthop: success");
   return MPLS_SUCCESS;
 
 ldp_fec_add_nexthop_error:
 
   ldp_fec_del_nexthop(g, f, nh);
+  LDP_EXIT(g->user_data, "ldp_fec_add_nexthop: fail");
   return MPLS_FATAL;
 }
 
@@ -401,7 +416,9 @@ mpls_return_enum ldp_fec_process_change(ldp_global * g, ldp_fec * f,
   ldp_attr *ds_attr = NULL;
   ldp_session *nh_session = NULL;
 
-  LDP_ENTER(g->user_data, "ldp_fec_process_change");
+  LDP_ENTER(g->user_data,
+    "ldp_fec_process_change: fec %p nh %p nh_old %p nh_session_old %p",
+    f, nh, nh_old, nh_session_old);
 
   if (!nh_session_old) {
     nh_session_old = ldp_session_for_nexthop(nh_old);
-- 
2.11.4.GIT