X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Fmsg%2FSimplePolicyMessenger.h;fp=src%2Fceph%2Fsrc%2Fmsg%2FSimplePolicyMessenger.h;h=466eb1d34c44cae2f8c6bf7d3ef434b41aa8a822;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git diff --git a/src/ceph/src/msg/SimplePolicyMessenger.h b/src/ceph/src/msg/SimplePolicyMessenger.h new file mode 100644 index 0000000..466eb1d --- /dev/null +++ b/src/ceph/src/msg/SimplePolicyMessenger.h @@ -0,0 +1,114 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab +/* + * Ceph - scalable distributed file system + * + * Copyright (C) 2004-2006 Sage Weil + * Portions Copyright (C) 2013 CohortFS, LLC + * + * This is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software + * Foundation. See file COPYING. + * + */ + +#ifndef SIMPLE_POLICY_MESSENGER_H +#define SIMPLE_POLICY_MESSENGER_H + +#include "Messenger.h" + +class SimplePolicyMessenger : public Messenger +{ +private: + /// lock protecting policy + Mutex policy_lock; + /// the default Policy we use for Pipes + Policy default_policy; + /// map specifying different Policies for specific peer types + map policy_map; // entity_name_t::type -> Policy + +public: + + SimplePolicyMessenger(CephContext *cct, entity_name_t name, + string mname, uint64_t _nonce) + : Messenger(cct, name), + policy_lock("SimplePolicyMessenger::policy_lock") + { + } + + /** + * Get the Policy associated with a type of peer. + * @param t The peer type to get the default policy for. + * + * @return A const Policy reference. + */ + Policy get_policy(int t) override { + Mutex::Locker l(policy_lock); + map::iterator iter = + policy_map.find(t); + if (iter != policy_map.end()) + return iter->second; + else + return default_policy; + } + + Policy get_default_policy() override { + Mutex::Locker l(policy_lock); + return default_policy; + } + + /** + * Set a policy which is applied to all peers who do not have a type-specific + * Policy. + * This is an init-time function and cannot be called after calling + * start() or bind(). + * + * @param p The Policy to apply. + */ + void set_default_policy(Policy p) override { + Mutex::Locker l(policy_lock); + default_policy = p; + } + /** + * Set a policy which is applied to all peers of the given type. + * This is an init-time function and cannot be called after calling + * start() or bind(). + * + * @param type The peer type this policy applies to. + * @param p The policy to apply. + */ + void set_policy(int type, Policy p) override { + Mutex::Locker l(policy_lock); + policy_map[type] = p; + } + + /** + * Set a Throttler which is applied to all Messages from the given + * type of peer. + * This is an init-time function and cannot be called after calling + * start() or bind(). + * + * @param type The peer type this Throttler will apply to. + * @param t The Throttler to apply. SimpleMessenger does not take + * ownership of this pointer, but you must not destroy it before + * you destroy SimpleMessenger. + */ + void set_policy_throttlers(int type, + Throttle *byte_throttle, + Throttle *msg_throttle) override { + Mutex::Locker l(policy_lock); + map::iterator iter = + policy_map.find(type); + if (iter != policy_map.end()) { + iter->second.throttler_bytes = byte_throttle; + iter->second.throttler_messages = msg_throttle; + } else { + default_policy.throttler_bytes = byte_throttle; + default_policy.throttler_messages = msg_throttle; + } + } + +}; /* SimplePolicyMessenger */ + +#endif /* SIMPLE_POLICY_MESSENGER_H */