client: add ctdb_ctrl_transaction_active() which calls out to CTDB_TRANS2_ACTIVE

Michael

diff --git a/client/ctdb_client.c b/client/ctdb_client.c
index d4130cdf58f2b5ce5cf088e6777002e476cd4c13..fdbcc0b8ad85579a93d4f8d07f9ed0ec04bcb4c8 100644 (file)
--- a/client/ctdb_client.c
+++ b/client/ctdb_client.c
@@ -3141,6 +3141,34 @@ int ctdb_ctrl_getcapabilities(struct ctdb_context *ctdb, struct timeval timeout,
        return ret;
 }
 
+/**
+ * check whether a transaction is active on a given db on a given node
+ */
+static int32_t ctdb_ctrl_transaction_active(struct ctdb_context *ctdb,
+                                           uint32_t destnode,
+                                           uint32_t db_id)
+{
+       int32_t status;
+       int ret;
+       TDB_DATA indata;
+
+       indata.dptr = (uint8_t *)&db_id;
+       indata.dsize = sizeof(db_id);
+
+       ret = ctdb_control(ctdb, destnode, 0,
+                          CTDB_CONTROL_TRANS2_ACTIVE,
+                          0, indata, NULL, NULL, &status,
+                          NULL, NULL);
+
+       if (ret != 0) {
+               DEBUG(DEBUG_ERR, (__location__ " ctdb control for transaction_active failed\n"));
+               return -1;
+       }
+
+       return status;
+}
+
+
 struct ctdb_transaction_handle {
        struct ctdb_db_context *ctdb_db;
        bool in_replay;