s3/debug: listen for MSG_REQ_RINGBUF_LOG

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>

diff --git a/lib/util/debug_s3.c b/lib/util/debug_s3.c
index 98e7b007230055534b9832faf024a26b415992fe..b05d42255012494960d2a0f6b49a368c084e0c7e 100644 (file)
--- a/lib/util/debug_s3.c
+++ b/lib/util/debug_s3.c
@@ -21,6 +21,7 @@
 #include "includes.h"
 #include "librpc/gen_ndr/messaging.h"
 #include "messages.h"
+#include "lib/util/memory.h"
 
 /* This is the Samba3-specific implementation of reopen_logs(), which
  * calls out to the s3 loadparm code, and means that we don't depend
@@ -98,9 +99,30 @@ static void debuglevel_message(struct messaging_context *msg_ctx,
 
        TALLOC_FREE(message);
 }
+
+static void debug_ringbuf_log(struct messaging_context *msg_ctx,
+                             void *private_data,
+                             uint32_t msg_type,
+                             struct server_id src,
+                             DATA_BLOB *data)
+{
+       char *log = debug_get_ringbuf();
+       size_t logsize = debug_get_ringbuf_size();
+
+       if (log == NULL) {
+               log = discard_const_p(char, "*disabled*\n");
+               logsize = strlen(log) + 1;
+       }
+
+       messaging_send_buf(msg_ctx, src, MSG_RINGBUF_LOG, (uint8_t *)log,
+                          logsize);
+}
+
 void debug_register_msgs(struct messaging_context *msg_ctx)
 {
        messaging_register(msg_ctx, NULL, MSG_DEBUG, debug_message);
        messaging_register(msg_ctx, NULL, MSG_REQ_DEBUGLEVEL,
                           debuglevel_message);
+       messaging_register(msg_ctx, NULL, MSG_REQ_RINGBUF_LOG,
+                          debug_ringbuf_log);
 }