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/*
* Copyright 2006 Serge van den Boom <svdb@stack.nl>
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef LIBS_NETWORK_CONNECT_RESOLVE_H_
#define LIBS_NETWORK_CONNECT_RESOLVE_H_
typedef struct ResolveFlags ResolveFlags;
typedef struct ResolveError ResolveError;
typedef enum {
Resolve_closed,
Resolve_resolving
} ResolveStateState;
typedef struct ResolveState ResolveState;
#include "port.h"
#include "../netport.h"
// For addrinfo.
#ifdef USE_WINSOCK
// Not including <winsock2.h> because of possible conflicts with files
// including this file.
struct addrinfo;
#else
# include <netdb.h>
#endif
#include "libs/callback.h"
#include "../netmanager/netmanager.h"
struct ResolveFlags {
// Nothing yet.
int dummy; // empty struct declarations are not allowed by C'99.
};
struct ResolveError {
int gaiRes;
int err;
// errno value. Only relevant if gaiRes == EAI_SYSTEM.
};
typedef void *ResolveCallbackArg;
typedef void (*ResolveCallback)(ResolveState *resolveState,
struct addrinfo *result);
// The receiver of the callback is owner of 'result' and
// should call freeaddrinfo().
typedef void (*ResolveErrorCallback)(ResolveState *resolveState,
const ResolveError *error);
#ifdef RESOLVE_INTERNAL
#ifdef USE_WINSOCK
# include <winsock2.h>
# include <ws2tcpip.h>
# include "../wspiapiwrap.h"
#else /* !defined(USE_WINSOCK) */
# include <netdb.h>
#endif /* !defined(USE_WINSOCK) */
struct ResolveState {
RefCount refCount;
ResolveStateState state;
ResolveFlags flags;
ResolveCallback callback;
ResolveErrorCallback errorCallback;
void *extra;
CallbackID callbackID;
ResolveError error;
struct addrinfo *result;
};
#endif /* RESOLVE_INTERNAL */
void ResolveState_incRef(ResolveState *resolveState);
bool ResolveState_decRef(ResolveState *resolveState);
void ResolveState_setExtra(ResolveState *resolveState, void *extra);
void *ResolveState_getExtra(ResolveState *resolveState);
ResolveState *getaddrinfoAsync(const char *node, const char *service,
const struct addrinfo *hints, ResolveFlags *flags,
ResolveCallback callback, ResolveErrorCallback errorCallback,
ResolveCallbackArg extra);
void Resolve_close(ResolveState *resolveState);
void splitAddrInfoOnFamily(struct addrinfo *info, int family,
struct addrinfo **selected, struct addrinfo ***selectedEnd,
struct addrinfo **rest, struct addrinfo ***restEnd);
#endif /* LIBS_NETWORK_CONNECT_RESOLVE_H_ */
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