sssd/0008-data-provider-run-offline-callbacks-only-once.patch

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From 2d350235bc960a91233d29b97c3a205bd2e04c08 Mon Sep 17 00:00:00 2001
From: Sumit Bose <sbose@redhat.com>
Date: Fri, 8 Jun 2018 18:42:28 +0200
Subject: [PATCH] data provider: run offline callbacks only once
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
(cherry picked from commit f28d995719db632130e9e063cb1ab7cb4e0fc8d8)
---
src/providers/backend.h | 1 +
src/providers/data_provider_be.c | 1 +
src/providers/data_provider_callbacks.c | 36 +++++++++++++++++++------
3 files changed, 30 insertions(+), 8 deletions(-)
diff --git a/src/providers/backend.h b/src/providers/backend.h
index 1914274037ce7f7ff4b6d8486b041789a865fd59..6a34b91a911fc12163fa9448ea82ff93f5bf3849 100644
--- a/src/providers/backend.h
+++ b/src/providers/backend.h
@@ -95,6 +95,7 @@ struct be_ctx {
struct be_cb *online_cb_list;
bool run_online_cb;
struct be_cb *offline_cb_list;
+ bool run_offline_cb;
struct be_cb *reconnect_cb_list;
/* In contrast to online_cb_list which are only run if the backend is
* offline the unconditional_online_cb_list should be run whenever the
diff --git a/src/providers/data_provider_be.c b/src/providers/data_provider_be.c
index e8cddd976bb164dc6d4655bf2ebe9a03c3d9d26a..fad6f280195b615d1de45afaf0c459bdf78c8c0a 100644
--- a/src/providers/data_provider_be.c
+++ b/src/providers/data_provider_be.c
@@ -219,6 +219,7 @@ static void be_reset_offline(struct be_ctx *ctx)
{
ctx->offstat.went_offline = 0;
ctx->offstat.offline = false;
+ ctx->run_offline_cb = true;
reactivate_subdoms(ctx->domain);
diff --git a/src/providers/data_provider_callbacks.c b/src/providers/data_provider_callbacks.c
index 436357e228c0e1a689aa18b8ef41a82f63774d3a..24e125ea5be70208d7cf2cb06a80c39207e29db4 100644
--- a/src/providers/data_provider_callbacks.c
+++ b/src/providers/data_provider_callbacks.c
@@ -265,22 +265,42 @@ void be_run_unconditional_online_cb(struct be_ctx *be)
int be_add_offline_cb(TALLOC_CTX *mem_ctx, struct be_ctx *ctx, be_callback_t cb,
void *pvt, struct be_cb **offline_cb)
{
- return be_add_cb(mem_ctx, ctx, cb, pvt, &ctx->offline_cb_list, offline_cb);
+ int ret;
+
+ ret = be_add_cb(mem_ctx, ctx, cb, pvt, &ctx->offline_cb_list, offline_cb);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_CRIT_FAILURE, "be_add_cb failed.\n");
+ return ret;
+ }
+
+ /* Make sure we run the callback when SSSD goes offline */
+ ctx->run_offline_cb = true;
+
+ return EOK;
}
void be_run_offline_cb(struct be_ctx *be) {
int ret;
- if (be->offline_cb_list) {
- DEBUG(SSSDBG_MINOR_FAILURE, "Going offline. Running callbacks.\n");
+ if (be->run_offline_cb) {
+ /* Reset the flag, we only want to run these callbacks once when going
+ * offline */
+ be->run_offline_cb = false;
- ret = be_run_cb(be, be->offline_cb_list);
- if (ret != EOK) {
- DEBUG(SSSDBG_CRIT_FAILURE, "be_run_cb failed.\n");
+ if (be->offline_cb_list) {
+ DEBUG(SSSDBG_MINOR_FAILURE, "Going offline. Running callbacks.\n");
+
+ ret = be_run_cb(be, be->offline_cb_list);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_CRIT_FAILURE, "be_run_cb failed.\n");
+ }
+
+ } else {
+ DEBUG(SSSDBG_TRACE_ALL,
+ "Offline call back list is empty, nothing to do.\n");
}
-
} else {
DEBUG(SSSDBG_TRACE_ALL,
- "Offline call back list is empty, nothing to do.\n");
+ "Flag indicates that offline callback were already called.\n");
}
}
--
2.17.1