[Tarantool-patches] [PATCH 09/17] recovery: recovery_new -- don't throw exception
Cyrill Gorcunov
gorcunov at gmail.com
Tue Apr 28 19:11:29 MSK 2020
Prepare for transition to plain C.
Signed-off-by: Cyrill Gorcunov <gorcunov at gmail.com>
---
src/box/box.cc | 2 ++
src/box/recovery.cc | 22 ++++++++++------------
src/box/relay.cc | 12 ++++++++----
3 files changed, 20 insertions(+), 16 deletions(-)
diff --git a/src/box/box.cc b/src/box/box.cc
index 7551ca753..4371c1986 100644
--- a/src/box/box.cc
+++ b/src/box/box.cc
@@ -2224,6 +2224,8 @@ local_recovery(const struct tt_uuid *instance_uuid,
recovery = recovery_new(cfg_gets("wal_dir"),
cfg_geti("force_recovery"),
checkpoint_vclock);
+ if (recovery == NULL)
+ diag_raise();
/*
* Make sure we report the actual recovery position
diff --git a/src/box/recovery.cc b/src/box/recovery.cc
index 24036b7c1..1c7665f87 100644
--- a/src/box/recovery.cc
+++ b/src/box/recovery.cc
@@ -77,24 +77,21 @@
/* {{{ Initial recovery */
/**
- * Throws an exception in case of error.
+ * Returns NULL in case of error.
*/
struct recovery *
recovery_new(const char *wal_dirname, bool force_recovery,
const struct vclock *vclock)
{
- struct recovery *r = (struct recovery *)
- calloc(1, sizeof(*r));
+ struct recovery *r;
+ r = (struct recovery *)calloc(1, sizeof(*r));
if (r == NULL) {
- tnt_raise(OutOfMemory, sizeof(*r), "malloc",
- "struct recovery");
+ diag_set(OutOfMemory, sizeof(*r), "calloc",
+ "struct recovery");
+ return NULL;
}
- auto guard = make_scoped_guard([=]{
- free(r);
- });
-
xdir_create(&r->wal_dir, wal_dirname, XLOG, &INSTANCE_UUID,
&xlog_opts_default);
r->wal_dir.force_recovery = force_recovery;
@@ -108,12 +105,13 @@ recovery_new(const char *wal_dirname, bool force_recovery,
* UUID, see replication/cluster.test for
* details.
*/
- xdir_check_xc(&r->wal_dir);
+ if (xdir_check(&r->wal_dir) != 0) {
+ free(r);
+ return NULL;
+ }
r->watcher = NULL;
rlist_create(&r->on_close_log);
-
- guard.is_active = false;
return r;
}
diff --git a/src/box/relay.cc b/src/box/relay.cc
index 2e17d0476..a5bcd9580 100644
--- a/src/box/relay.cc
+++ b/src/box/relay.cc
@@ -363,8 +363,10 @@ relay_final_join(int fd, uint64_t sync, struct vclock *start_vclock,
relay_delete(relay);
});
- relay->r = recovery_new(cfg_gets("wal_dir"), false,
- start_vclock);
+ relay->r = recovery_new(cfg_gets("wal_dir"), false, start_vclock);
+ if (relay->r == NULL)
+ diag_raise();
+
vclock_copy(&relay->stop_vclock, stop_vclock);
int rc = cord_costart(&relay->cord, "final_join",
@@ -717,8 +719,10 @@ relay_subscribe(struct replica *replica, int fd, uint64_t sync,
});
vclock_copy(&relay->local_vclock_at_subscribe, &replicaset.vclock);
- relay->r = recovery_new(cfg_gets("wal_dir"), false,
- replica_clock);
+ relay->r = recovery_new(cfg_gets("wal_dir"), false, replica_clock);
+ if (relay->r == NULL)
+ diag_raise();
+
vclock_copy(&relay->tx.vclock, replica_clock);
relay->version_id = replica_version_id;
--
2.20.1
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