110 lines
2.6 KiB
C++
110 lines
2.6 KiB
C++
/*************************************************************************
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*
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* Copyright (C) 2018-2023 Ruilin Peng (Nick) <pymumu@gmail.com>.
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*
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* smartdns is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* smartdns is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SMARTDNS_SERVER_
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#define _SMARTDNS_SERVER_
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#include "dns.h"
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#include "include/utils.h"
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#include <functional>
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#include <string>
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#include <sys/socket.h>
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#include <thread>
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#include <unistd.h>
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namespace smartdns
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{
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class Server
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{
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public:
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enum CONF_TYPE {
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CONF_TYPE_STRING,
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CONF_TYPE_FILE,
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};
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enum CREATE_MODE {
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CREATE_MODE_FORK,
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CREATE_MODE_THREAD,
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};
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Server();
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Server(enum CREATE_MODE mode);
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virtual ~Server();
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bool Start(const std::string &conf, enum CONF_TYPE type = CONF_TYPE_STRING);
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void Stop(bool graceful = true);
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bool IsRunning();
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private:
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pid_t pid_;
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std::thread thread_;
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int fd_;
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std::string conf_file_;
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TempFile conf_temp_file_;
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enum CREATE_MODE mode_;
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};
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struct ServerRequestContext {
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std::string domain;
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dns_type qtype;
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int qclass;
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struct sockaddr_storage *from;
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socklen_t fromlen;
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struct dns_packet *packet;
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uint8_t *request_data;
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int request_data_len;
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uint8_t *response_data;
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struct dns_packet *response_packet;
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int response_data_max_len;
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int response_data_len;
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};
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typedef enum {
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SERVER_REQUEST_OK = 0,
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SERVER_REQUEST_ERROR,
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SERVER_REQUEST_SOA,
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} ServerRequestResult;
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using ServerRequest = std::function<ServerRequestResult(struct ServerRequestContext *request)>;
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class MockServer
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{
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public:
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MockServer();
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virtual ~MockServer();
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bool Start(const std::string &url, ServerRequest callback);
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void Stop();
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bool IsRunning();
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static bool AddIP(struct ServerRequestContext *request, const std::string &domain, const std::string &ip,
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int ttl = 60);
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private:
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void Run();
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static bool GetAddr(const std::string &host, const std::string port, int type, int protocol,
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struct sockaddr_storage *addr, socklen_t *addrlen);
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int fd_;
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std::thread thread_;
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bool run_;
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ServerRequest callback_;
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};
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} // namespace smartdns
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#endif // _SMARTDNS_SERVER_
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