120 lines
2.9 KiB
C++
120 lines
2.9 KiB
C++
/*************************************************************************
|
|
*
|
|
* Copyright (C) 2018-2023 Ruilin Peng (Nick) <pymumu@gmail.com>.
|
|
*
|
|
* smartdns 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* smartdns 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef _SMARTDNS_SERVER_
|
|
#define _SMARTDNS_SERVER_
|
|
|
|
#include "dns.h"
|
|
#include "fast_ping.h"
|
|
#include "include/utils.h"
|
|
#include <functional>
|
|
#include <string>
|
|
#include <sys/socket.h>
|
|
#include <thread>
|
|
#include <unistd.h>
|
|
#include <vector>
|
|
|
|
namespace smartdns
|
|
{
|
|
|
|
class Server
|
|
{
|
|
public:
|
|
struct MockPingIP {
|
|
PING_TYPE type;
|
|
std::string host;
|
|
int ttl;
|
|
float time;
|
|
};
|
|
enum CONF_TYPE {
|
|
CONF_TYPE_STRING,
|
|
CONF_TYPE_FILE,
|
|
};
|
|
enum CREATE_MODE {
|
|
CREATE_MODE_FORK,
|
|
CREATE_MODE_THREAD,
|
|
};
|
|
Server();
|
|
Server(enum CREATE_MODE mode);
|
|
virtual ~Server();
|
|
|
|
void MockPing(PING_TYPE type, const std::string &host, int ttl, float time);
|
|
bool Start(const std::string &conf, enum CONF_TYPE type = CONF_TYPE_STRING);
|
|
void Stop(bool graceful = true);
|
|
bool IsRunning();
|
|
|
|
private:
|
|
static void StartPost(void *arg);
|
|
pid_t pid_;
|
|
std::thread thread_;
|
|
int fd_;
|
|
std::string conf_file_;
|
|
TempFile conf_temp_file_;
|
|
std::vector<MockPingIP> mock_ping_ips_;
|
|
enum CREATE_MODE mode_;
|
|
};
|
|
|
|
struct ServerRequestContext {
|
|
std::string domain;
|
|
dns_type qtype;
|
|
int qclass;
|
|
struct sockaddr_storage *from;
|
|
socklen_t fromlen;
|
|
struct dns_packet *packet;
|
|
uint8_t *request_data;
|
|
int request_data_len;
|
|
uint8_t *response_data;
|
|
struct dns_packet *response_packet;
|
|
int response_data_max_len;
|
|
int response_data_len;
|
|
};
|
|
|
|
typedef enum {
|
|
SERVER_REQUEST_OK = 0,
|
|
SERVER_REQUEST_ERROR,
|
|
SERVER_REQUEST_SOA,
|
|
} ServerRequestResult;
|
|
|
|
using ServerRequest = std::function<ServerRequestResult(struct ServerRequestContext *request)>;
|
|
|
|
class MockServer
|
|
{
|
|
public:
|
|
MockServer();
|
|
virtual ~MockServer();
|
|
|
|
bool Start(const std::string &url, ServerRequest callback);
|
|
void Stop();
|
|
bool IsRunning();
|
|
|
|
static bool AddIP(struct ServerRequestContext *request, const std::string &domain, const std::string &ip,
|
|
int ttl = 60);
|
|
|
|
private:
|
|
void Run();
|
|
|
|
static bool GetAddr(const std::string &host, const std::string port, int type, int protocol,
|
|
struct sockaddr_storage *addr, socklen_t *addrlen);
|
|
int fd_{0};
|
|
std::thread thread_;
|
|
bool run_{false};
|
|
ServerRequest callback_{nullptr};
|
|
};
|
|
|
|
} // namespace smartdns
|
|
#endif // _SMARTDNS_SERVER_
|