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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "visible_map.h"
#include <vespa/log/log.h>
LOG_SETUP(".vismap");
namespace slobrok {
void
VisibleMap::updated()
{
_genCnt.add();
WaitList waitList;
std::swap(waitList, _waitList);
for (auto & entry : waitList) {
entry->updated(*this);
}
}
void
VisibleMap::aborted()
{
WaitList waitList;
std::swap(waitList, _waitList);
for (auto & entry : waitList) {
entry->aborted(*this);
}
}
void
VisibleMap::addUpdateListener(IUpdateListener *l)
{
_waitList.push_back(l);
}
void
VisibleMap::removeUpdateListener(IUpdateListener *l)
{
uint32_t i = 0;
uint32_t size = _waitList.size();
while (i < size) {
if (_waitList[i] == l) {
std::swap(_waitList[i], _waitList[size - 1]);
_waitList.pop_back();
--size;
} else {
++i;
}
}
LOG_ASSERT(size == _waitList.size());
}
//-----------------------------------------------------------------------------
NamedService *
VisibleMap::lookup(const std::string &name) const {
auto found = _map.find(name);
return (found == _map.end()) ? nullptr : found->second;
}
std::vector<const NamedService *>
VisibleMap::allVisible() const
{
std::vector<const NamedService *> retval;
// get list of all names in myrpcsrvmap
for (const auto & entry : _map) {
retval.push_back(entry.second);
}
return retval;
}
void
VisibleMap::addNew(NamedService *rpcsrv)
{
LOG_ASSERT(rpcsrv != nullptr);
LOG_ASSERT(_map.find(rpcsrv->getName()) == _map.end());
_map[rpcsrv->getName()] = rpcsrv;
_history.add(rpcsrv->getName(), _genCnt);
updated();
}
NamedService *
VisibleMap::remove(const std::string &name) {
NamedService *d = _map[name];
_map.erase(name);
if (d != nullptr) {
_history.add(name, _genCnt);
updated();
}
return d;
}
NamedService *
VisibleMap::update(NamedService *rpcsrv) {
LOG_ASSERT(rpcsrv != nullptr);
NamedService *d = rpcsrv;
std::swap(d, _map[rpcsrv->getName()]);
LOG_ASSERT(d != nullptr);
_history.add(rpcsrv->getName(), _genCnt);
updated();
return d;
}
VisibleMap::MapDiff
VisibleMap::history(const vespalib::GenCnt& gen) const
{
MapDiff retval;
std::set<std::string> names = _history.since(gen);
for (const auto & name : names)
{
const NamedService *val = lookup(name.c_str());
if (val == nullptr) {
retval.removed.push_back(name);
} else {
retval.updated.push_back(val);
}
}
return retval;
}
VisibleMap::MapDiff::MapDiff() = default;
VisibleMap::MapDiff::~MapDiff() = default;
VisibleMap::VisibleMap()
: _map(),
_waitList(),
_genCnt(1)
{
}
VisibleMap::~VisibleMap()
{
aborted();
}
bool
VisibleMap::match(const char *name, const char *pattern)
{
LOG_ASSERT(name != nullptr);
LOG_ASSERT(pattern != nullptr);
while (*pattern != '\0') {
if (*name == *pattern) {
++name;
++pattern;
} else if (*pattern == '*') {
++pattern;
while (*name != '/' && *name != '\0') {
++name;
}
} else {
return false;
}
}
return (*name == *pattern);
}
//-----------------------------------------------------------------------------
} // namespace slobrok
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