diff options
author | Rajith Muditha Attapattu <rajith@apache.org> | 2011-05-27 15:44:23 +0000 |
---|---|---|
committer | Rajith Muditha Attapattu <rajith@apache.org> | 2011-05-27 15:44:23 +0000 |
commit | 66765100f4257159622cefe57bed50125a5ad017 (patch) | |
tree | a88ee23bb194eb91f0ebb2d9b23ff423e3ea8e37 /cpp/src/qpid/cluster/ClusterMap.cpp | |
parent | 1aeaa7b16e5ce54f10c901d75c4d40f9f88b9db6 (diff) | |
parent | 88b98b2f4152ef59a671fad55a0d08338b6b78ca (diff) | |
download | qpid-python-rajith_jms_client.tar.gz |
Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client
git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'cpp/src/qpid/cluster/ClusterMap.cpp')
-rw-r--r-- | cpp/src/qpid/cluster/ClusterMap.cpp | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/cpp/src/qpid/cluster/ClusterMap.cpp b/cpp/src/qpid/cluster/ClusterMap.cpp deleted file mode 100644 index a8389095c9..0000000000 --- a/cpp/src/qpid/cluster/ClusterMap.cpp +++ /dev/null @@ -1,176 +0,0 @@ -/* - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - * - */ -#include "qpid/cluster/ClusterMap.h" -#include "qpid/Url.h" -#include "qpid/framing/FieldTable.h" -#include "qpid/log/Statement.h" -#include <boost/bind.hpp> -#include <algorithm> -#include <functional> -#include <iterator> -#include <ostream> - -using namespace std; -using namespace boost; - -namespace qpid { -using namespace framing; - -namespace cluster { - -namespace { - -void addFieldTableValue(FieldTable::ValueMap::value_type vt, ClusterMap::Map& map, ClusterMap::Set& set) { - MemberId id(vt.first); - set.insert(id); - string url = vt.second->get<string>(); - if (!url.empty()) - map.insert(ClusterMap::Map::value_type(id, Url(url))); -} - -void insertFieldTableFromMapValue(FieldTable& ft, const ClusterMap::Map::value_type& vt) { - ft.setString(vt.first.str(), vt.second.str()); -} - -} - -ClusterMap::ClusterMap() : frameSeq(0) {} - -ClusterMap::ClusterMap(const Map& map) : frameSeq(0) { - transform(map.begin(), map.end(), inserter(alive, alive.begin()), bind(&Map::value_type::first, _1)); - members = map; -} - -ClusterMap::ClusterMap(const FieldTable& joinersFt, const FieldTable& membersFt, - framing::SequenceNumber frameSeq_) - : frameSeq(frameSeq_) -{ - for_each(joinersFt.begin(), joinersFt.end(), bind(&addFieldTableValue, _1, ref(joiners), ref(alive))); - for_each(membersFt.begin(), membersFt.end(), bind(&addFieldTableValue, _1, ref(members), ref(alive))); -} - -void ClusterMap::toMethodBody(framing::ClusterConnectionMembershipBody& b) const { - b.getJoiners().clear(); - for_each(joiners.begin(), joiners.end(), bind(&insertFieldTableFromMapValue, ref(b.getJoiners()), _1)); - for(Set::const_iterator i = alive.begin(); i != alive.end(); ++i) { - if (!isMember(*i) && !isJoiner(*i)) - b.getJoiners().setString(i->str(), string()); - } - b.getMembers().clear(); - for_each(members.begin(), members.end(), bind(&insertFieldTableFromMapValue, ref(b.getMembers()), _1)); - b.setFrameSeq(frameSeq); -} - -Url ClusterMap::getUrl(const Map& map, const MemberId& id) { - Map::const_iterator i = map.find(id); - return i == map.end() ? Url() : i->second; -} - -MemberId ClusterMap::firstJoiner() const { - return joiners.empty() ? MemberId() : joiners.begin()->first; -} - -vector<string> ClusterMap::memberIds() const { - vector<string> ids; - for (Map::const_iterator iter = members.begin(); - iter != members.end(); iter++) { - stringstream stream; - stream << iter->first; - ids.push_back(stream.str()); - } - return ids; -} - -vector<Url> ClusterMap::memberUrls() const { - vector<Url> urls(members.size()); - transform(members.begin(), members.end(), urls.begin(), - bind(&Map::value_type::second, _1)); - return urls; -} - -ClusterMap::Set ClusterMap::getAlive() const { return alive; } - -ClusterMap::Set ClusterMap::getMembers() const { - Set s; - transform(members.begin(), members.end(), inserter(s, s.begin()), - bind(&Map::value_type::first, _1)); - return s; -} - -ostream& operator<<(ostream& o, const ClusterMap::Map& m) { - ostream_iterator<MemberId> oi(o); - transform(m.begin(), m.end(), oi, bind(&ClusterMap::Map::value_type::first, _1)); - return o; -} - -ostream& operator<<(ostream& o, const ClusterMap& m) { - for (ClusterMap::Set::const_iterator i = m.alive.begin(); i != m.alive.end(); ++i) { - o << *i; - if (m.isMember(*i)) o << "(member)"; - else if (m.isJoiner(*i)) o << "(joiner)"; - else o << "(unknown)"; - o << " "; - } - o << "frameSeq=" << m.getFrameSeq(); - return o; -} - -bool ClusterMap::updateRequest(const MemberId& id, const string& url) { - try { - if (isAlive(id)) { - joiners[id] = Url(url); - return true; - } - } catch (const Url::Invalid&) { - QPID_LOG(error, "Invalid URL in cluster update request: " << url); - } - return false; -} - -bool ClusterMap::ready(const MemberId& id, const Url& url) { - return isAlive(id) && members.insert(Map::value_type(id,url)).second; -} - -bool ClusterMap::configChange(const Set& update) { - bool memberChange = false; - Set removed; - set_difference(alive.begin(), alive.end(), - update.begin(), update.end(), - inserter(removed, removed.begin())); - alive = update; - for (Set::const_iterator i = removed.begin(); i != removed.end(); ++i) { - memberChange = memberChange || members.erase(*i); - joiners.erase(*i); - } - return memberChange; -} - -optional<Url> ClusterMap::updateOffer(const MemberId& from, const MemberId& to) { - Map::iterator i = joiners.find(to); - if (isAlive(from) && i != joiners.end()) { - Url url= i->second; - joiners.erase(i); // No longer a potential updatee. - return url; - } - return optional<Url>(); -} - -}} // namespace qpid::cluster |