Setting tag sliver-openvswitch-2.2.90-1

[sliver-openvswitch.git] / lib / rconn.h

diff --git a/lib/rconn.h b/lib/rconn.h
index e4b73fc..2cb43f7 100644 (file)
--- a/lib/rconn.h
+++ b/lib/rconn.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,6 +21,7 @@
 #include <stdint.h>
 #include <time.h>
 #include "openvswitch/types.h"
+#include "ovs-thread.h"
 
 /* A wrapper around vconn that provides queuing and optionally reliability.
  *
@@ -32,14 +33,22 @@
  * An rconn optionally provides reliable communication, in this sense: the
  * rconn will re-connect, with exponential backoff, when the underlying vconn
  * disconnects.
+ *
+ *
+ * Thread-safety
+ * =============
+ *
+ * Fully thread-safe.
  */
 
 struct vconn;
 struct rconn_packet_counter;
 
 struct rconn *rconn_create(int inactivity_probe_interval,
-                          int max_backoff, uint8_t dscp);
+                          int max_backoff, uint8_t dscp,
+                          uint32_t allowed_versions);
 void rconn_set_dscp(struct rconn *rc, uint8_t dscp);
+uint32_t rconn_get_allowed_versions(const struct rconn *);
 uint8_t rconn_get_dscp(const struct rconn *rc);
 void rconn_set_max_backoff(struct rconn *, int max_backoff);
 int rconn_get_max_backoff(const struct rconn *);
@@ -74,41 +83,30 @@ bool rconn_is_connected(const struct rconn *);
 bool rconn_is_admitted(const struct rconn *);
 int rconn_failure_duration(const struct rconn *);
 
-ovs_be32 rconn_get_remote_ip(const struct rconn *);
-ovs_be16 rconn_get_remote_port(const struct rconn *);
-ovs_be32 rconn_get_local_ip(const struct rconn *);
-ovs_be16 rconn_get_local_port(const struct rconn *);
 int rconn_get_version(const struct rconn *);
 
 const char *rconn_get_state(const struct rconn *);
-unsigned int rconn_get_attempted_connections(const struct rconn *);
-unsigned int rconn_get_successful_connections(const struct rconn *);
 time_t rconn_get_last_connection(const struct rconn *);
 time_t rconn_get_last_disconnect(const struct rconn *);
-time_t rconn_get_last_received(const struct rconn *);
-time_t rconn_get_creation_time(const struct rconn *);
-unsigned long int rconn_get_total_time_connected(const struct rconn *);
-int rconn_get_backoff(const struct rconn *);
-unsigned int rconn_get_state_elapsed(const struct rconn *);
 unsigned int rconn_get_connection_seqno(const struct rconn *);
 int rconn_get_last_error(const struct rconn *);
 unsigned int rconn_count_txqlen(const struct rconn *);
 
-/* Counts the number of packets queued into an rconn by a given source. */
+/* Counts packets and bytes queued into an rconn by a given source. */
 struct rconn_packet_counter {
-    int n;                      /* Number of packets queued. */
-    int ref_cnt;                /* Number of owners. */
+    struct ovs_mutex mutex;
+    unsigned int n_packets OVS_GUARDED; /* Number of packets queued. */
+    unsigned int n_bytes OVS_GUARDED;   /* Number of bytes queued. */
+    int ref_cnt OVS_GUARDED;            /* Number of owners. */
 };
 
 struct rconn_packet_counter *rconn_packet_counter_create(void);
 void rconn_packet_counter_destroy(struct rconn_packet_counter *);
-void rconn_packet_counter_inc(struct rconn_packet_counter *);
-void rconn_packet_counter_dec(struct rconn_packet_counter *);
-
-static inline int
-rconn_packet_counter_read(const struct rconn_packet_counter *counter)
-{
-    return counter->n;
-}
+void rconn_packet_counter_inc(struct rconn_packet_counter *, unsigned n_bytes);
+void rconn_packet_counter_dec(struct rconn_packet_counter *, unsigned n_bytes);
+
+unsigned int rconn_packet_counter_n_packets(
+    const struct rconn_packet_counter *);
+unsigned int rconn_packet_counter_n_bytes(const struct rconn_packet_counter *);
 
 #endif /* rconn.h */