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s4:messaging: add support 'smbcontrol <pid> debug/debuglevel'

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BUG: https://bugzilla.samba.org/show_bug.cgi?id=13752

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Björn Baumbach <bbaumbach@samba.org>
(cherry picked from commit 3a0c1da432c53de234b54bac90a3fb84534994eb)
This commit is contained in:
Stefan Metzmacher 2019-01-15 01:39:06 +01:00 committed by Karolin Seeger
parent f6ebd9d2a9
commit 562ceb1f43
1 changed files with 72 additions and 0 deletions
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72
source4/lib/messaging/messaging.c
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@ -121,6 +121,68 @@ static void ringbuf_log_msg(struct imessaging_context *msg,
imessaging_send(msg, src, MSG_RINGBUF_LOG, &blob);
}
/****************************************************************************
Receive a "set debug level" message.
****************************************************************************/
static void debug_imessage(struct imessaging_context *msg_ctx,
void *private_data,
uint32_t msg_type,
struct server_id src,
DATA_BLOB *data)
{
const char *params_str = (const char *)data->data;
struct server_id_buf src_buf;
struct server_id dst = imessaging_get_server_id(msg_ctx);
struct server_id_buf dst_buf;
/* Check, it's a proper string! */
if (params_str[(data->length)-1] != '\0') {
DBG_ERR("Invalid debug message from pid %s to pid %s\n",
server_id_str_buf(src, &src_buf),
server_id_str_buf(dst, &dst_buf));
return;
}
DBG_ERR("INFO: Remote set of debug to `%s' (pid %s from pid %s)\n",
params_str,
server_id_str_buf(dst, &dst_buf),
server_id_str_buf(src, &src_buf));
debug_parse_levels(params_str);
}
/****************************************************************************
Return current debug level.
****************************************************************************/
static void debuglevel_imessage(struct imessaging_context *msg_ctx,
void *private_data,
uint32_t msg_type,
struct server_id src,
DATA_BLOB *data)
{
char *message = debug_list_class_names_and_levels();
DATA_BLOB blob = data_blob_null;
struct server_id_buf src_buf;
struct server_id dst = imessaging_get_server_id(msg_ctx);
struct server_id_buf dst_buf;
DBG_DEBUG("Received REQ_DEBUGLEVEL message (pid %s from pid %s)\n",
server_id_str_buf(dst, &dst_buf),
server_id_str_buf(src, &src_buf));
if (message == NULL) {
DBG_ERR("debug_list_class_names_and_levels returned NULL\n");
return;
}
blob = data_blob_string_const_null(message);
imessaging_send(msg_ctx, src, MSG_DEBUGLEVEL, &blob);
TALLOC_FREE(message);
}
/*
return uptime of messaging server via irpc
*/
@ -418,6 +480,16 @@ static struct imessaging_context *imessaging_init_internal(TALLOC_CTX *mem_ctx,
if (!NT_STATUS_IS_OK(status)) {
goto fail;
}
status = imessaging_register(msg, NULL, MSG_DEBUG,
debug_imessage);
if (!NT_STATUS_IS_OK(status)) {
goto fail;
}
status = imessaging_register(msg, NULL, MSG_REQ_DEBUGLEVEL,
debuglevel_imessage);
if (!NT_STATUS_IS_OK(status)) {
goto fail;
}
status = IRPC_REGISTER(msg, irpc, IRPC_UPTIME, irpc_uptime, msg);
if (!NT_STATUS_IS_OK(status)) {
goto fail;