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control_node.cc
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control_node.cc
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/*
* Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
*/
#include "control_node.h"
#include <boost/assign.hpp>
#include "base/task.h"
std::string ControlNode::hostname_;
std::string ControlNode::prog_name_;
std::string ControlNode::self_ip_;
DiscoveryServiceClient* ControlNode::ds_client_;
bool ControlNode::test_mode_;
//
// Default scheduler policy for control-node daemon and test processes.
//
void ControlNode::SetDefaultSchedulingPolicy() {
static bool policy_set;
if (policy_set)
return;
policy_set = true;
TaskScheduler *scheduler = TaskScheduler::GetInstance();
// Policy for bgp::Config Task.
TaskPolicy config_policy = boost::assign::list_of
(TaskExclusion(scheduler->GetTaskId("bgp::Config")))
(TaskExclusion(scheduler->GetTaskId("bgp::RTFilter")))
(TaskExclusion(scheduler->GetTaskId("bgp::SendTask")))
(TaskExclusion(scheduler->GetTaskId("bgp::ServiceChain")))
(TaskExclusion(scheduler->GetTaskId("bgp::StateMachine")))
(TaskExclusion(scheduler->GetTaskId("bgp::PeerMembership")))
(TaskExclusion(scheduler->GetTaskId("db::DBTable")))
(TaskExclusion(scheduler->GetTaskId("db::IFMapTable")))
(TaskExclusion(scheduler->GetTaskId("db::Walker")))
(TaskExclusion(scheduler->GetTaskId("io::ReaderTask")))
(TaskExclusion(scheduler->GetTaskId("ifmap::StateMachine")))
(TaskExclusion(scheduler->GetTaskId("xmpp::StateMachine")))
(TaskExclusion(scheduler->GetTaskId("timer::TimerTask")))
(TaskExclusion(scheduler->GetTaskId("bgp::ShowCommand")))
(TaskExclusion(scheduler->GetTaskId("bgp::SendReadyTask")))
(TaskExclusion(scheduler->GetTaskId("bgp::StaticRoute")))
(TaskExclusion(scheduler->GetTaskId("bgp::RouteAggregation")))
(TaskExclusion(scheduler->GetTaskId("bgp::ResolverPath")))
(TaskExclusion(scheduler->GetTaskId("bgp::ResolverNexthop")));
scheduler->SetPolicy(scheduler->GetTaskId("bgp::Config"), config_policy);
// Policy for bgp::ServiceChain and bgp::StaticRoute Tasks.
TaskPolicy static_service_chain_policy = boost::assign::list_of
(TaskExclusion(scheduler->GetTaskId("bgp::Config")))
(TaskExclusion(scheduler->GetTaskId("bgp::PeerMembership")))
(TaskExclusion(scheduler->GetTaskId("bgp::ResolverPath")))
(TaskExclusion(scheduler->GetTaskId("bgp::RouteAggregation")))
(TaskExclusion(scheduler->GetTaskId("bgp::ServiceChain")))
(TaskExclusion(scheduler->GetTaskId("bgp::StaticRoute")))
(TaskExclusion(scheduler->GetTaskId("db::Walker")))
(TaskExclusion(scheduler->GetTaskId("db::DBTable")));
scheduler->SetPolicy(scheduler->GetTaskId("bgp::ServiceChain"),
static_service_chain_policy);
scheduler->SetPolicy(scheduler->GetTaskId("bgp::StaticRoute"),
static_service_chain_policy);
// Policy for bgp::StateMachine and xmpp::StateMachine Tasks.
// Add policy to provision exclusion between io::Reader and
// bgp/xmpp StateMachine tasks with the same task instance.
TaskPolicy sm_policy = boost::assign::list_of
(TaskExclusion(scheduler->GetTaskId("bgp::Config")))
(TaskExclusion(scheduler->GetTaskId("bgp::PeerMembership")))
(TaskExclusion(scheduler->GetTaskId("bgp::ShowCommand")))
(TaskExclusion(scheduler->GetTaskId("bgp::RTFilter")));
for (int idx = 0; idx < scheduler->HardwareThreadCount(); ++idx) {
sm_policy.push_back(
(TaskExclusion(scheduler->GetTaskId("io::ReaderTask"), idx)));
}
scheduler->SetPolicy(scheduler->GetTaskId("bgp::StateMachine"),
sm_policy);
scheduler->SetPolicy(scheduler->GetTaskId("xmpp::StateMachine"),
sm_policy);
// Policy for bgp::PeerMembership Task.
TaskPolicy peer_membership_policy = boost::assign::list_of
(TaskExclusion(scheduler->GetTaskId("db::DBTable")))
(TaskExclusion(scheduler->GetTaskId("db::Walker")))
(TaskExclusion(scheduler->GetTaskId("bgp::SendTask")))
(TaskExclusion(scheduler->GetTaskId("bgp::ServiceChain")))
(TaskExclusion(scheduler->GetTaskId("bgp::ShowCommand")))
(TaskExclusion(scheduler->GetTaskId("bgp::StateMachine")))
(TaskExclusion(scheduler->GetTaskId("bgp::StaticRoute")))
(TaskExclusion(scheduler->GetTaskId("xmpp::StateMachine")));
scheduler->SetPolicy(scheduler->GetTaskId("bgp::PeerMembership"),
peer_membership_policy);
// Policy for bgp::SendReadyTask Task.
TaskPolicy send_ready_policy = boost::assign::list_of
(TaskExclusion(scheduler->GetTaskId("bgp::SendTask")))
(TaskExclusion(scheduler->GetTaskId("bgp::PeerMembership")));
scheduler->SetPolicy(scheduler->GetTaskId("bgp::SendReadyTask"),
send_ready_policy);
// Policy for bgp::RTFilter Task.
TaskPolicy rtfilter_policy = boost::assign::list_of
(TaskExclusion(scheduler->GetTaskId("db::DBTable")))
(TaskExclusion(scheduler->GetTaskId("db::Walker")))
(TaskExclusion(scheduler->GetTaskId("bgp::StateMachine")))
(TaskExclusion(scheduler->GetTaskId("bgp::Config")));
scheduler->SetPolicy(scheduler->GetTaskId("bgp::RTFilter"),
rtfilter_policy);
// Policy for bgp::ResolverPath Task.
TaskPolicy resolver_path_policy = boost::assign::list_of
(TaskExclusion(scheduler->GetTaskId("db::DBTable")))
(TaskExclusion(scheduler->GetTaskId("db::Walker")))
(TaskExclusion(scheduler->GetTaskId("bgp::Config")))
(TaskExclusion(scheduler->GetTaskId("bgp::ResolverNexthop")))
(TaskExclusion(scheduler->GetTaskId("bgp::RouteAggregation")))
(TaskExclusion(scheduler->GetTaskId("bgp::ServiceChain")))
(TaskExclusion(scheduler->GetTaskId("bgp::StaticRoute")));
scheduler->SetPolicy(scheduler->GetTaskId("bgp::ResolverPath"),
resolver_path_policy);
// Policy for bgp::ResolverNexthop Task.
TaskPolicy resolver_nexthop_policy = boost::assign::list_of
(TaskExclusion(scheduler->GetTaskId("db::DBTable")))
(TaskExclusion(scheduler->GetTaskId("bgp::Config")))
(TaskExclusion(scheduler->GetTaskId("bgp::ResolverPath")))
(TaskExclusion(scheduler->GetTaskId("bgp::RouteAggregation")));
scheduler->SetPolicy(scheduler->GetTaskId("bgp::ResolverNexthop"),
resolver_nexthop_policy);
// Policy for bgp::RouteAggregation Task.
TaskPolicy route_aggregation_policy = boost::assign::list_of
(TaskExclusion(scheduler->GetTaskId("db::DBTable")))
(TaskExclusion(scheduler->GetTaskId("db::Walker")))
(TaskExclusion(scheduler->GetTaskId("bgp::Config")))
(TaskExclusion(scheduler->GetTaskId("bgp::ResolverNexthop")))
(TaskExclusion(scheduler->GetTaskId("bgp::ResolverPath")))
(TaskExclusion(scheduler->GetTaskId("bgp::ServiceChain")))
(TaskExclusion(scheduler->GetTaskId("bgp::StaticRoute")));
scheduler->SetPolicy(scheduler->GetTaskId("bgp::RouteAggregation"),
route_aggregation_policy);
// Policy for db::IFMapTable Task.
TaskPolicy db_ifmap_policy = boost::assign::list_of
(TaskExclusion(scheduler->GetTaskId("bgp::Config")))
(TaskExclusion(scheduler->GetTaskId("db::Walker")));
scheduler->SetPolicy(scheduler->GetTaskId("db::IFMapTable"),
db_ifmap_policy);
// Policy for db::Walker Task.
// Rules:
// 1. All tasks that trigger WalkTable should be mutually exclusive to
// db::Walker task
// 2. All tasks that updates the db table partition should be mutually
// mutually exclusive
TaskPolicy walker_policy = boost::assign::list_of
// Following tasks trigger WalkTable
(TaskExclusion(scheduler->GetTaskId("bgp::Config")))
(TaskExclusion(scheduler->GetTaskId("bgp::PeerMembership")))
(TaskExclusion(scheduler->GetTaskId("bgp::RTFilter")))
// Following tasks updates db table partition
(TaskExclusion(scheduler->GetTaskId("db::DBTable")))
(TaskExclusion(scheduler->GetTaskId("db::IFMapTable")))
(TaskExclusion(scheduler->GetTaskId("bgp::ResolverPath")))
(TaskExclusion(scheduler->GetTaskId("bgp::RouteAggregation")))
(TaskExclusion(scheduler->GetTaskId("bgp::ServiceChain")))
(TaskExclusion(scheduler->GetTaskId("bgp::StaticRoute")));
scheduler->SetPolicy(scheduler->GetTaskId("db::Walker"), walker_policy);
}