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smbcontrol: add ringbuf-log

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

Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Fri Jan 20 22:33:14 CET 2017 on sn-devel-144
This commit is contained in:
Ralph Boehme 2017-01-08 16:47:30 +01:00 committed by Volker Lendecke
parent a6bb4e27e7
commit 98d05dcac3
2 changed files with 52 additions and 0 deletions
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7
docs-xml/manpages/smbcontrol.1.xml
View File

@ -256,6 +256,13 @@
for both smbd and nmbd.</para></listitem>
</varlistentry>
<varlistentry>
<term>ringbuf-log</term>
<listitem><para>Fetch and print the ringbuf log. Requires
<parameter>logging = ringbuf</parameter>. Available for smbd, winbindd
and nmbd.</para></listitem>
</varlistentry>
<varlistentry>
<term>drvupgrade</term>
<listitem><para>Force clients of printers using specified driver

45
source3/utils/smbcontrol.c
View File

@ -886,6 +886,50 @@ static bool do_poolusage(struct tevent_context *ev_ctx,
return num_replies;
}
/* Fetch and print the ringbuf log */
static void print_ringbuf_log_cb(struct messaging_context *msg,
void *private_data,
uint32_t msg_type,
struct server_id pid,
DATA_BLOB *data)
{
printf("%s", (const char *)data->data);
num_replies++;
}
static bool do_ringbuflog(struct tevent_context *ev_ctx,
struct messaging_context *msg_ctx,
const struct server_id pid,
const int argc, const char **argv)
{
if (argc != 1) {
fprintf(stderr, "Usage: smbcontrol <dest> ringbuf-log\n");
return false;
}
messaging_register(msg_ctx, NULL, MSG_RINGBUF_LOG,
print_ringbuf_log_cb);
/* Send a message and register our interest in a reply */
if (!send_message(msg_ctx, pid, MSG_REQ_RINGBUF_LOG, NULL, 0)) {
return false;
}
wait_replies(ev_ctx, msg_ctx, procid_to_pid(&pid) == 0);
/* No replies were received within the timeout period */
if (num_replies == 0) {
printf("No replies received\n");
}
messaging_deregister(msg_ctx, MSG_RINGBUF_LOG, NULL);
return num_replies != 0;
}
/* Perform a dmalloc mark */
static bool do_dmalloc_mark(struct tevent_context *ev_ctx,
@ -1385,6 +1429,7 @@ static const struct {
{ "lockretry", do_lockretry, "Force a blocking lock retry" },
{ "brl-revalidate", do_brl_revalidate, "Revalidate all brl entries" },
{ "pool-usage", do_poolusage, "Display talloc memory usage" },
{ "ringbuf-log", do_ringbuflog, "Display ringbuf log" },
{ "dmalloc-mark", do_dmalloc_mark, "" },
{ "dmalloc-log-changed", do_dmalloc_changed, "" },
{ "shutdown", do_shutdown, "Shut down daemon" },