icinga2/lib/cli/variableutility.cpp

94 lines
3.0 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2018 Icinga Development Team (https://www.icinga.com/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "cli/variableutility.hpp"
#include "base/logger.hpp"
#include "base/application.hpp"
#include "base/utility.hpp"
#include "base/stdiostream.hpp"
#include "base/netstring.hpp"
#include "base/json.hpp"
#include "remote/jsonrpc.hpp"
#include <fstream>
using namespace icinga;
Value VariableUtility::GetVariable(const String& name)
{
String varsfile = Application::GetVarsPath();
std::fstream fp;
fp.open(varsfile.CStr(), std::ios_base::in);
StdioStream::Ptr sfp = new StdioStream(&fp, false);
String message;
StreamReadContext src;
for (;;) {
StreamReadStatus srs = NetString::ReadStringFromStream(sfp, &message, src);
if (srs == StatusEof)
break;
if (srs != StatusNewItem)
continue;
Dictionary::Ptr variable = JsonDecode(message);
if (variable->Get("name") == name) {
return variable->Get("value");
}
}
return Empty;
}
void VariableUtility::PrintVariables(std::ostream& outfp)
{
String varsfile = Application::GetVarsPath();
std::fstream fp;
fp.open(varsfile.CStr(), std::ios_base::in);
StdioStream::Ptr sfp = new StdioStream(&fp, false);
unsigned long variables_count = 0;
String message;
StreamReadContext src;
for (;;) {
StreamReadStatus srs = NetString::ReadStringFromStream(sfp, &message, src);
if (srs == StatusEof)
break;
if (srs != StatusNewItem)
continue;
Dictionary::Ptr variable = JsonDecode(message);
outfp << variable->Get("name") << " = " << variable->Get("value") << "\n";
variables_count++;
}
sfp->Close();
fp.close();
Log(LogNotice, "cli")
<< "Parsed " << variables_count << " variables.";
}