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-rw-r--r--source3/lib/dmallocmsg.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/source3/lib/dmallocmsg.c b/source3/lib/dmallocmsg.c
new file mode 100644
index 0000000..889f4ed
--- /dev/null
+++ b/source3/lib/dmallocmsg.c
@@ -0,0 +1,79 @@
+/*
+ samba -- Unix SMB/CIFS implementation.
+ Copyright (C) 2002 by Martin Pool
+
+ 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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "messages.h"
+
+/**
+ * @file dmallocmsg.c
+ *
+ * Glue code to cause dmalloc info to come out when we receive a prod
+ * over samba messaging.
+ **/
+
+#ifdef ENABLE_DMALLOC
+static unsigned long our_dm_mark = 0;
+#endif /* ENABLE_DMALLOC */
+
+
+/**
+ * Respond to a POOL_USAGE message by sending back string form of memory
+ * usage stats.
+ **/
+static void msg_req_dmalloc_mark(struct messaging_context *msg,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id server_id,
+ DATA_BLOB *data)
+{
+#ifdef ENABLE_DMALLOC
+ our_dm_mark = dmalloc_mark();
+ DEBUG(2,("Got MSG_REQ_DMALLOC_MARK: mark set\n"));
+#else
+ DEBUG(2,("Got MSG_REQ_DMALLOC_MARK but dmalloc not in this process\n"));
+#endif
+}
+
+
+
+static void msg_req_dmalloc_log_changed(struct messaging_context *msg,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id server_id,
+ DATA_BLOB *data)
+{
+#ifdef ENABLE_DMALLOC
+ dmalloc_log_changed(our_dm_mark, True, True, True);
+ DEBUG(2,("Got MSG_REQ_DMALLOC_LOG_CHANGED: done\n"));
+#else
+ DEBUG(2,("Got MSG_REQ_DMALLOC_LOG_CHANGED but dmalloc not in this process\n"));
+#endif
+}
+
+
+/**
+ * Register handler for MSG_REQ_POOL_USAGE
+ **/
+void register_dmalloc_msgs(struct messaging_context *msg_ctx)
+{
+ messaging_register(msg_ctx, NULL, MSG_REQ_DMALLOC_MARK,
+ msg_req_dmalloc_mark);
+ messaging_register(msg_ctx, NULL, MSG_REQ_DMALLOC_LOG_CHANGED,
+ msg_req_dmalloc_log_changed);
+ DEBUG(2, ("Registered MSG_REQ_DMALLOC_MARK and LOG_CHANGED\n"));
+}