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/*
*
* Copyright 2014, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef __GRPC_INTERNAL_IOMGR_RESOLVE_ADDRESS_H__
#define __GRPC_INTERNAL_IOMGR_RESOLVE_ADDRESS_H__
#include <sys/socket.h>
typedef struct {
struct sockaddr_storage addr;
int len;
} grpc_resolved_address;
typedef struct {
size_t naddrs;
grpc_resolved_address *addrs;
} grpc_resolved_addresses;
/* Async result callback:
On success: addresses is the result, and the callee must call
grpc_resolved_addresses_destroy when it's done with them
On failure: addresses is NULL */
typedef void (*grpc_resolve_cb)(void *arg, grpc_resolved_addresses *addresses);
/* Asynchronously resolve addr. Use default_port if a port isn't designated
in addr, otherwise use the port in addr. */
/* TODO(ctiller): add a timeout here */
void grpc_resolve_address(const char *addr, const char *default_port,
grpc_resolve_cb cb, void *arg);
/* Destroy resolved addresses */
void grpc_resolved_addresses_destroy(grpc_resolved_addresses *addresses);
/* Resolve addr in a blocking fashion. Returns NULL on failure. On success,
result must be freed with grpc_resolved_addresses_destroy. */
grpc_resolved_addresses *grpc_blocking_resolve_address(
const char *addr, const char *default_port);
#endif /* __GRPC_INTERNAL_IOMGR_RESOLVE_ADDRESS_H__ */
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