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// -*- 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 <sage@newdream.net>
* 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"
#include "Policy.h"
class SimplePolicyMessenger : public Messenger
{
private:
/// lock protecting policy
ceph::mutex policy_lock =
ceph::make_mutex("SimplePolicyMessenger::policy_lock");
// entity_name_t::type -> Policy
ceph::net::PolicySet<Throttle> policy_set;
public:
SimplePolicyMessenger(CephContext *cct, entity_name_t name)
: Messenger(cct, name)
{
}
/**
* 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 {
std::lock_guard l{policy_lock};
return policy_set.get(t);
}
Policy get_default_policy() override {
std::lock_guard l{policy_lock};
return policy_set.get_default();
}
/**
* 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 {
std::lock_guard l{policy_lock};
policy_set.set_default(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 {
std::lock_guard l{policy_lock};
policy_set.set(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. The messenger does not take
* ownership of this pointer, but you must not destroy it before
* you destroy messenger.
*/
void set_policy_throttlers(int type,
Throttle* byte_throttle,
Throttle* msg_throttle) override {
std::lock_guard l{policy_lock};
policy_set.set_throttlers(type, byte_throttle, msg_throttle);
}
}; /* SimplePolicyMessenger */
#endif /* SIMPLE_POLICY_MESSENGER_H */
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