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/*
* This file is part of PowerDNS or dnsdist.
* Copyright -- PowerDNS.COM B.V. and its contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* In addition, for the avoidance of any doubt, permission is granted to
* link this program with OpenSSL and to (re)distribute the binaries
* produced as the result of such linking.
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef PDNS_REC_CHANNEL
#define PDNS_REC_CHANNEL
#include <string>
#include <map>
#include <vector>
#include <inttypes.h>
#include <sys/un.h>
#include <pthread.h>
#include "iputils.hh"
#include "dnsname.hh"
#include <atomic>
/** this class is used both to send and answer channel commands to the PowerDNS Recursor */
class RecursorControlChannel
{
public:
RecursorControlChannel();
~RecursorControlChannel();
int listen(const std::string& filename);
void connect(const std::string& path, const std::string& filename);
uint64_t getStat(const std::string& name);
void send(const std::string& msg, const std::string* remote=0);
std::string recv(std::string* remote=0, unsigned int timeout=5);
int d_fd;
private:
struct sockaddr_un d_local;
};
class RecursorControlParser
{
public:
RecursorControlParser()
{
}
static void nop(void){}
typedef void func_t(void);
std::string getAnswer(const std::string& question, func_t** func);
};
std::map<std::string, std::string> getAllStatsMap();
extern pthread_mutex_t g_carbon_config_lock;
void sortPublicSuffixList();
std::vector<std::pair<DNSName, uint16_t> >* pleaseGetQueryRing();
std::vector<std::pair<DNSName, uint16_t> >* pleaseGetServfailQueryRing();
std::vector<ComboAddress>* pleaseGetRemotes();
std::vector<ComboAddress>* pleaseGetServfailRemotes();
std::vector<ComboAddress>* pleaseGetLargeAnswerRemotes();
DNSName getRegisteredName(const DNSName& dom);
std::atomic<unsigned long>* getDynMetric(const std::string& str);
optional<uint64_t> getStatByName(const std::string& name);
void registerAllStats();
#endif
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