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/*
   Unix SMB/CIFS implementation.

   Copyright (C) Stefan Metzmacher 2009

     ** NOTE! The following LGPL license applies to the tevent
     ** library. This does NOT imply that all of Samba is released
     ** under the LGPL

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 3 of the License, or (at your option) any later version.

   This library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/

#ifndef _TSOCKET_H
#define _TSOCKET_H

#include <talloc.h>
#include <tevent.h>

struct tsocket_address;
struct tdgram_context;
struct iovec;

/*
 * tsocket_address related functions
 */
char *tsocket_address_string(const struct tsocket_address *addr,
			     TALLOC_CTX *mem_ctx);

struct tsocket_address *_tsocket_address_copy(const struct tsocket_address *addr,
					      TALLOC_CTX *mem_ctx,
					      const char *location);

#define tsocket_address_copy(addr, mem_ctx) \
	_tsocket_address_copy(addr, mem_ctx, __location__)

/*
 * tdgram_context related functions
 */
struct tevent_req *tdgram_recvfrom_send(TALLOC_CTX *mem_ctx,
					struct tevent_context *ev,
					struct tdgram_context *dgram);
ssize_t tdgram_recvfrom_recv(struct tevent_req *req,
			     int *perrno,
			     TALLOC_CTX *mem_ctx,
			     uint8_t **buf,
			     struct tsocket_address **src);

struct tevent_req *tdgram_sendto_send(TALLOC_CTX *mem_ctx,
				      struct tevent_context *ev,
				      struct tdgram_context *dgram,
				      const uint8_t *buf, size_t len,
				      const struct tsocket_address *dst);
ssize_t tdgram_sendto_recv(struct tevent_req *req,
			   int *perrno);

struct tevent_req *tdgram_disconnect_send(TALLOC_CTX *mem_ctx,
					  struct tevent_context *ev,
					  struct tdgram_context *dgram);
int tdgram_disconnect_recv(struct tevent_req *req,
			   int *perrno);

/*
 * BSD sockets: inet, inet6 and unix
 */

int _tsocket_address_inet_from_strings(TALLOC_CTX *mem_ctx,
				       const char *fam,
				       const char *addr,
				       uint16_t port,
				       struct tsocket_address **_addr,
				       const char *location);
#define tsocket_address_inet_from_strings(mem_ctx, fam, addr, port, _addr) \
	_tsocket_address_inet_from_strings(mem_ctx, fam, addr, port, _addr, \
					   __location__)

char *tsocket_address_inet_addr_string(const struct tsocket_address *addr,
				       TALLOC_CTX *mem_ctx);
uint16_t tsocket_address_inet_port(const struct tsocket_address *addr);
int tsocket_address_inet_set_port(struct tsocket_address *addr,
				  uint16_t port);
void tsocket_address_inet_set_broadcast(struct tsocket_address *addr,
					bool broadcast);

int _tsocket_address_unix_from_path(TALLOC_CTX *mem_ctx,
				    const char *path,
				    struct tsocket_address **_addr,
				    const char *location);
#define tsocket_address_unix_from_path(mem_ctx, path, _addr) \
	_tsocket_address_unix_from_path(mem_ctx, path, _addr, \
					__location__)
char *tsocket_address_unix_path(const struct tsocket_address *addr,
				TALLOC_CTX *mem_ctx);

int _tdgram_inet_udp_socket(const struct tsocket_address *local,
			    const struct tsocket_address *remote,
			    TALLOC_CTX *mem_ctx,
			    struct tdgram_context **dgram,
			    const char *location);
#define tdgram_inet_udp_socket(local, remote, mem_ctx, dgram) \
	_tdgram_inet_udp_socket(local, remote, mem_ctx, dgram, __location__)

int _tdgram_unix_dgram_socket(const struct tsocket_address *local,
			      const struct tsocket_address *remote,
			      TALLOC_CTX *mem_ctx,
			      struct tdgram_context **dgram,
			      const char *location);
#define tdgram_unix_dgram_socket(local, remote, mem_ctx, dgram) \
	_tdgram_unix_dgram_socket(local, remote, mem_ctx, dgram, __location__)

/*
 * Queue helpers
 */

struct tevent_req *tdgram_sendto_queue_send(TALLOC_CTX *mem_ctx,
					    struct tevent_context *ev,
					    struct tdgram_context *dgram,
					    struct tevent_queue *queue,
					    const uint8_t *buf,
					    size_t len,
					    struct tsocket_address *dst);
ssize_t tdgram_sendto_queue_recv(struct tevent_req *req, int *perrno);

#endif /* _TSOCKET_H */