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Diffstat (limited to 'storage/spider/hs_client/auto_addrinfo.hpp')
-rw-r--r-- | storage/spider/hs_client/auto_addrinfo.hpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/storage/spider/hs_client/auto_addrinfo.hpp b/storage/spider/hs_client/auto_addrinfo.hpp new file mode 100644 index 00000000..5262ad11 --- /dev/null +++ b/storage/spider/hs_client/auto_addrinfo.hpp @@ -0,0 +1,49 @@ + +// vim:sw=2:ai + +/* + * Copyright (C) 2010-2011 DeNA Co.,Ltd.. All rights reserved. + * See COPYRIGHT.txt for details. + */ + +#ifndef DENA_AUTO_ADDRINFO_HPP +#define DENA_AUTO_ADDRINFO_HPP + +#ifndef __WIN__ +#include <netdb.h> +#endif + +#include "util.hpp" + +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) { + reset(); + addrinfo 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 + |