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// **********************************************************************
//
// Copyright (c) 2003-2016 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#include <Ice/PropertiesAdminI.h>
#include <Ice/Logger.h>
#include <Ice/LoggerUtil.h>
using namespace std;
using namespace Ice;
namespace
{
const char* traceCategory = "Admin.Properties";
}
namespace IceInternal
{
PropertiesAdminI::PropertiesAdminI(const PropertiesPtr& properties, const LoggerPtr& logger) :
_properties(properties), _logger(logger)
{
}
string
#ifdef ICE_CPP11_MAPPING
PropertiesAdminI::getProperty(string name, const Current&)
#else
PropertiesAdminI::getProperty(const string& name, const Current&)
#endif
{
Lock sync(*this);
return _properties->getProperty(name);
}
PropertyDict
#ifdef ICE_CPP11_MAPPING
PropertiesAdminI::getPropertiesForPrefix(string prefix, const Current&)
#else
PropertiesAdminI::getPropertiesForPrefix(const string& prefix, const Current&)
#endif
{
Lock sync(*this);
return _properties->getPropertiesForPrefix(prefix);
}
void
#ifdef ICE_CPP11_MAPPING
PropertiesAdminI::setPropertiesAsync(PropertyDict props,
function<void()> response,
function<void(exception_ptr)>,
const Current&)
#else
PropertiesAdminI::setProperties_async(const AMD_PropertiesAdmin_setPropertiesPtr& cb, const PropertyDict& props,
const Current&)
#endif
{
Lock sync(*this);
PropertyDict old = _properties->getPropertiesForPrefix("");
PropertyDict::const_iterator p;
const int traceLevel = _properties->getPropertyAsInt("Ice.Trace.Admin.Properties");
//
// Compute the difference between the new property set and the existing property set:
//
// 1) Any properties in the new set that were not defined in the existing set.
//
// 2) Any properties that appear in both sets but with different values.
//
// 3) Any properties not present in the new set but present in the existing set.
// In other words, the property has been removed.
//
PropertyDict added, changed, removed;
for(p = props.begin(); p != props.end(); ++p)
{
PropertyDict::iterator q = old.find(p->first);
if(q == old.end())
{
if(!p->second.empty())
{
//
// This property is new.
//
added.insert(*p);
}
}
else
{
if(p->second != q->second)
{
if(p->second.empty())
{
//
// This property was removed.
//
removed.insert(*p);
}
else
{
//
// This property has changed.
//
changed.insert(*p);
}
}
}
}
if(traceLevel > 0 && (!added.empty() || !changed.empty() || !removed.empty()))
{
Trace out(_logger, traceCategory);
out << "Summary of property changes";
if(!added.empty())
{
out << "\nNew properties:";
for(p = added.begin(); p != added.end(); ++p)
{
out << "\n " << p->first;
if(traceLevel > 1)
{
out << " = " << p->second;
}
}
}
if(!changed.empty())
{
out << "\nChanged properties:";
for(p = changed.begin(); p != changed.end(); ++p)
{
out << "\n " << p->first;
if(traceLevel > 1)
{
out << " = " << p->second << " (old value = " << _properties->getProperty(p->first) << ")";
}
}
}
if(!removed.empty())
{
out << "\nRemoved properties:";
for(p = removed.begin(); p != removed.end(); ++p)
{
out << "\n " << p->first;
}
}
}
//
// Update the property set.
//
for(p = added.begin(); p != added.end(); ++p)
{
_properties->setProperty(p->first, p->second);
}
for(p = changed.begin(); p != changed.end(); ++p)
{
_properties->setProperty(p->first, p->second);
}
for(p = removed.begin(); p != removed.end(); ++p)
{
_properties->setProperty(p->first, "");
}
//
// Send the response now so that we do not block the client during
// the call to the update callback.
//
#ifdef ICE_CPP11_MAPPING
response();
#else
cb->ice_response();
#endif
//
// Copy the callbacks to allow callbacks to update the callbacks.
//
vector<PropertiesAdminUpdateCallbackPtr> callbacks = _updateCallbacks;
if(!callbacks.empty())
{
PropertyDict changes = added;
changes.insert(changed.begin(), changed.end());
changes.insert(removed.begin(), removed.end());
for(vector<PropertiesAdminUpdateCallbackPtr>::const_iterator p = callbacks.begin(); p != callbacks.end(); ++p)
{
try
{
(*p)->updated(changes);
}
catch(...)
{
// Ignore.
}
}
}
}
void
PropertiesAdminI::addUpdateCallback(const PropertiesAdminUpdateCallbackPtr& cb)
{
Lock sync(*this);
_updateCallbacks.push_back(cb);
}
void
PropertiesAdminI::removeUpdateCallback(const PropertiesAdminUpdateCallbackPtr& cb)
{
Lock sync(*this);
_updateCallbacks.erase(remove(_updateCallbacks.begin(), _updateCallbacks.end(), cb), _updateCallbacks.end());
}
}
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