datapath-windows: Fix IP fragmentation

[cascardo/ovs.git] / lib / ovsdb-idl.h

diff --git a/lib/ovsdb-idl.h b/lib/ovsdb-idl.h
index c48ad1b..ac63ec9 100644 (file)
--- a/lib/ovsdb-idl.h
+++ b/lib/ovsdb-idl.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2009, 2010, 2011, 2012 Nicira, Inc.
+/* Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,6 +23,10 @@
  * raw JSON into data structures that are easier for clients to digest.  Most
  * notably, references to rows via UUID become C pointers.
  *
+ * The IDL always presents a consistent snapshot of the database to its client,
+ * that is, it won't present the effects of some part of a transaction applied
+ * at the database server without presenting all of its effects.
+ *
  * The IDL also assists with issuing database transactions.  The client creates
  * a transaction, manipulates the IDL data structures, and commits or aborts
  * the transaction.  The IDL then composes and issues the necessary JSON-RPC
@@ -44,7 +48,8 @@ struct uuid;
 
 struct ovsdb_idl *ovsdb_idl_create(const char *remote,
                                    const struct ovsdb_idl_class *,
-                                   bool monitor_everything_by_default);
+                                   bool monitor_everything_by_default,
+                                   bool retry);
 void ovsdb_idl_destroy(struct ovsdb_idl *);
 
 void ovsdb_idl_run(struct ovsdb_idl *);
@@ -56,7 +61,12 @@ bool ovsdb_idl_is_lock_contended(const struct ovsdb_idl *);
 
 unsigned int ovsdb_idl_get_seqno(const struct ovsdb_idl *);
 bool ovsdb_idl_has_ever_connected(const struct ovsdb_idl *);
+void ovsdb_idl_enable_reconnect(struct ovsdb_idl *);
 void ovsdb_idl_force_reconnect(struct ovsdb_idl *);
+void ovsdb_idl_verify_write_only(struct ovsdb_idl *);
+
+bool ovsdb_idl_is_alive(const struct ovsdb_idl *);
+int ovsdb_idl_get_last_error(const struct ovsdb_idl *);
 \f
 /* Choosing columns and tables to replicate. */
 
@@ -109,6 +119,8 @@ const struct ovsdb_datum *ovsdb_idl_get(const struct ovsdb_idl_row *,
                                         const struct ovsdb_idl_column *,
                                         enum ovsdb_atomic_type key_type,
                                         enum ovsdb_atomic_type value_type);
+bool ovsdb_idl_is_mutable(const struct ovsdb_idl_row *,
+                          const struct ovsdb_idl_column *);
 
 bool ovsdb_idl_row_is_synthetic(const struct ovsdb_idl_row *);
 \f
@@ -181,7 +193,7 @@ const char *ovsdb_idl_txn_status_to_string(enum ovsdb_idl_txn_status);
 
 struct ovsdb_idl_txn *ovsdb_idl_txn_create(struct ovsdb_idl *);
 void ovsdb_idl_txn_add_comment(struct ovsdb_idl_txn *, const char *, ...)
-    PRINTF_FORMAT (2, 3);
+    OVS_PRINTF_FORMAT (2, 3);
 void ovsdb_idl_txn_set_dry_run(struct ovsdb_idl_txn *);
 void ovsdb_idl_txn_increment(struct ovsdb_idl_txn *,
                              const struct ovsdb_idl_row *,
@@ -201,11 +213,34 @@ const struct uuid *ovsdb_idl_txn_get_insert_uuid(const struct ovsdb_idl_txn *,
 void ovsdb_idl_txn_write(const struct ovsdb_idl_row *,
                          const struct ovsdb_idl_column *,
                          struct ovsdb_datum *);
+void ovsdb_idl_txn_write_clone(const struct ovsdb_idl_row *,
+                               const struct ovsdb_idl_column *,
+                               const struct ovsdb_datum *);
 void ovsdb_idl_txn_delete(const struct ovsdb_idl_row *);
 const struct ovsdb_idl_row *ovsdb_idl_txn_insert(
     struct ovsdb_idl_txn *, const struct ovsdb_idl_table_class *,
     const struct uuid *);
 
 struct ovsdb_idl *ovsdb_idl_txn_get_idl (struct ovsdb_idl_txn *);
+void ovsdb_idl_get_initial_snapshot(struct ovsdb_idl *);
+\f
+
+/* ovsdb_idl_loop provides an easy way to manage the transactions related
+ * to 'idl' and to cope with different status during transaction. */
+struct ovsdb_idl_loop {
+    struct ovsdb_idl *idl;
+    unsigned int skip_seqno;
+
+    struct ovsdb_idl_txn *committing_txn;
+    unsigned int precommit_seqno;
+
+    struct ovsdb_idl_txn *open_txn;
+};
+
+#define OVSDB_IDL_LOOP_INITIALIZER(IDL) { .idl = (IDL) }
+
+void ovsdb_idl_loop_destroy(struct ovsdb_idl_loop *);
+struct ovsdb_idl_txn *ovsdb_idl_loop_run(struct ovsdb_idl_loop *);
+void ovsdb_idl_loop_commit_and_wait(struct ovsdb_idl_loop *);
 
 #endif /* ovsdb-idl.h */