nfs-utils: add statdb_dump utility
authorJeff Layton <jlayton@redhat.com>
Tue, 12 Jan 2010 11:00:07 +0000 (06:00 -0500)
committerSteve Dickson <steved@redhat.com>
Tue, 12 Jan 2010 11:00:07 +0000 (06:00 -0500)
To dump contents of statd's monitor DB.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
tests/Makefile.am
tests/statdb_dump.c [new file with mode: 0644]

index 375af80..a20b42b 100644 (file)
@@ -1,5 +1,11 @@
 ## Process this file with automake to produce Makefile.in
 
+check_PROGRAMS = statdb_dump
+statdb_dump_SOURCES = statdb_dump.c
+
+statdb_dump_LDADD = ../support/nfs/libnfs.a \
+                   ../support/nsm/libnsm.a $(LIBCAP)
+
 SUBDIRS = nsm_client
 
 MAINTAINERCLEANFILES = Makefile.in
diff --git a/tests/statdb_dump.c b/tests/statdb_dump.c
new file mode 100644 (file)
index 0000000..92d63f2
--- /dev/null
@@ -0,0 +1,99 @@
+/*
+ * statdb_dump.c -- dump contents of statd's monitor DB
+ *
+ * Copyright (C) 2010  Red Hat, Jeff Layton <jlayton@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <arpa/inet.h>
+
+#include "nsm.h"
+#include "xlog.h"
+
+static char cookiebuf[(SM_PRIV_SIZE * 2) + 1];
+static char addrbuf[INET6_ADDRSTRLEN + 1];
+
+static unsigned int
+dump_host(const char *hostname, const struct sockaddr *sa, const struct mon *m,
+         const time_t timestamp)
+{
+       int ret;
+       const char *addr;
+       const struct sockaddr_in *sin;
+       const struct sockaddr_in6 *sin6;
+
+       ret = nsm_priv_to_hex(m->priv, cookiebuf, sizeof(cookiebuf));
+       if (!ret) {
+               xlog(L_ERROR, "Unable to convert cookie to hex string.\n");
+               return ret;
+       }
+
+       switch (sa->sa_family) {
+       case AF_INET:
+               sin = (struct sockaddr_in *)(char *)sa;
+               addr = inet_ntop(sa->sa_family, &sin->sin_addr.s_addr, addrbuf,
+                                (socklen_t)sizeof(addrbuf));
+               break;
+       case AF_INET6:
+               sin6 = (struct sockaddr_in6 *)(char *)sa;
+               addr = inet_ntop(sa->sa_family, &sin6->sin6_addr, addrbuf,
+                                (socklen_t)sizeof(addrbuf));
+               break;
+       default:
+               xlog(L_ERROR, "Unrecognized address family: %hu\n",
+                       sa->sa_family);
+               return 0;
+       }
+
+       if (addr == NULL) {
+               xlog(L_ERROR, "Unable to convert sockaddr to string: %s\n",
+                               strerror(errno));
+               return 0;
+       }
+
+       /*
+        * Callers of this program should assume that in the future, extra
+        * fields may be added to the output. Anyone adding extra fields to
+        * the output should add them to the end of the line.
+        */
+       printf("%s %s %s %s %s %d %d %d\n",
+                       hostname, addr, cookiebuf,
+                       m->mon_id.mon_name,
+                       m->mon_id.my_id.my_name,
+                       m->mon_id.my_id.my_prog,
+                       m->mon_id.my_id.my_vers,
+                       m->mon_id.my_id.my_proc); 
+
+       return 1;
+}
+
+int
+main(int argc, char **argv)
+{
+       xlog_syslog(0);
+       xlog_stderr(1);
+       xlog_open(argv[0]);
+       
+       nsm_load_monitor_list(dump_host);
+       return 0;
+}