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// vim:sw=2:ai
/*
* Copyright (C) 2010 DeNA Co.,Ltd.. All rights reserved.
* See COPYRIGHT.txt for details.
*/
#ifndef DENA_AUTO_ADDRINFO_HPP
#define DENA_AUTO_ADDRINFO_HPP
#include <my_config.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <string.h>
#include "util.hpp"
typedef SOCKET_SIZE_TYPE size_socket;
namespace dena {
struct auto_addrinfo : private noncopyable {
auto_addrinfo() : addr(0) { }
~auto_addrinfo() {
reset();
}
void reset(addrinfo *a = 0) {
if (addr != 0) {
freeaddrinfo(addr);
}
addr = a;
}
const addrinfo *get() const { return addr; }
int resolve(const char *node, const char *service, int flags = 0,
int family = AF_UNSPEC, int socktype = SOCK_STREAM, int protocol = 0) {
addrinfo hints;
reset();
memset(&hints, 0, sizeof(hints));
hints.ai_flags = flags;
hints.ai_family = family;
hints.ai_socktype = socktype;
hints.ai_protocol = protocol;
return getaddrinfo(node, service, &hints, &addr);
}
private:
addrinfo *addr;
};
};
#endif
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