X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Frconn.h;h=2cb43f798b6915ceca827cbe73f17151e5237103;hb=HEAD;hp=64eca5320fb8b55eada7be905d7ba8d530ce28cb;hpb=a644168568471eb33f8d1e60e872859f4e5bbc69;p=sliver-openvswitch.git diff --git a/lib/rconn.h b/lib/rconn.h index 64eca5320..2cb43f798 100644 --- 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 #include #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 *); @@ -74,31 +83,21 @@ 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 packets and bytes queued into an rconn by a given source. */ struct rconn_packet_counter { - unsigned int n_packets; /* Number of packets queued. */ - unsigned int n_bytes; /* Number of bytes 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); @@ -106,4 +105,8 @@ void rconn_packet_counter_destroy(struct rconn_packet_counter *); 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 */