[Libguestfs] [nbdkit PATCH 6/5] nbd: More debug details

[Eric Blake]

Use new 'name_of_*' functions to offer a bit more details about
messages being forwarded on to the remote server.

Signed-off-by: Eric Blake <eblake at redhat.com>
---
 plugins/nbd/nbd.c       | 8 +++++---
 plugins/nbd/Makefile.am | 3 ++-
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/plugins/nbd/nbd.c b/plugins/nbd/nbd.c
index 672f35b..6bd8861 100644
--- a/plugins/nbd/nbd.c
+++ b/plugins/nbd/nbd.c
@@ -267,8 +267,9 @@ nbd_request_raw (struct handle *h, uint16_t flags, uint16_t type,
   int r;

   pthread_mutex_lock (&h->write_lock);
-  nbdkit_debug ("sending request with type %d and cookie %#" PRIx64, type,
-                cookie);
+  nbdkit_debug ("sending request type %d (%s), flags %#x, offset %#" PRIx64
+                ", count %#x, cookie %#" PRIx64, type, name_of_nbd_cmd(type),
+                flags, offset, count, cookie);
   r = write_full (h->fd, &req, sizeof req);
   if (buf && !r)
     r = write_full (h->fd, buf, count);
@@ -353,7 +354,8 @@ nbd_reply_raw (struct handle *h, int *fd)
     return nbd_mark_dead (h);
   if (be32toh (rep.magic) != NBD_REPLY_MAGIC)
     return nbd_mark_dead (h);
-  nbdkit_debug ("received reply for cookie %#" PRIx64, rep.handle);
+  nbdkit_debug ("received reply for cookie %#" PRIx64 ", status %s",
+                rep.handle, name_of_nbd_error(be32toh (rep.error)));
   trans = find_trans_by_cookie (h, rep.handle);
   if (!trans) {
     nbdkit_error ("reply with unexpected cookie %#" PRIx64, rep.handle);
diff --git a/plugins/nbd/Makefile.am b/plugins/nbd/Makefile.am
index e998a28..9f08057 100644
--- a/plugins/nbd/Makefile.am
+++ b/plugins/nbd/Makefile.am
@@ -38,7 +38,8 @@ plugin_LTLIBRARIES = nbdkit-nbd-plugin.la

 nbdkit_nbd_plugin_la_SOURCES = \
 	nbd.c \
-	$(top_srcdir)/include/nbdkit-plugin.h
+	$(top_srcdir)/include/nbdkit-plugin.h \
+	$(top_srcdir)/src/protostrings.c

 nbdkit_nbd_plugin_la_CPPFLAGS = \
 	-I$(top_srcdir)/include \
-- 
2.17.2