/*
   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_context;
struct tsocket_address;
struct iovec;

enum tsocket_type {
	TSOCKET_TYPE_STREAM = 1,
	TSOCKET_TYPE_DGRAM,
	TSOCKET_TYPE_MESSAGE
};

typedef void (*tsocket_event_handler_t)(struct tsocket_context *, void *);
int tsocket_set_event_context(struct tsocket_context *sock,
			      struct tevent_context *ev);
int tsocket_set_readable_handler(struct tsocket_context *sock,
				 tsocket_event_handler_t handler,
				 void *private_data);
int tsocket_set_writeable_handler(struct tsocket_context *sock,
				  tsocket_event_handler_t handler,
				  void *private_data);

int tsocket_connect(struct tsocket_context *sock,
		    const struct tsocket_address *remote_addr);

int tsocket_listen(struct tsocket_context *sock,
		   int queue_size);

int _tsocket_accept(struct tsocket_context *sock,
		    TALLOC_CTX *mem_ctx,
		    struct tsocket_context **new_sock,
		    const char *location);
#define tsocket_accept(sock, mem_ctx, new_sock) \
	_tsocket_accept(sock, mem_ctx, new_sock, __location__)

ssize_t tsocket_pending(struct tsocket_context *sock);

int tsocket_readv(struct tsocket_context *sock,
		  const struct iovec *vector, size_t count);
int tsocket_writev(struct tsocket_context *sock,
		   const struct iovec *vector, size_t count);

ssize_t tsocket_recvfrom(struct tsocket_context *sock,
			 uint8_t *data, size_t len,
			 TALLOC_CTX *addr_ctx,
			 struct tsocket_address **src_addr);
ssize_t tsocket_sendto(struct tsocket_context *sock,
		       const uint8_t *data, size_t len,
		       const struct tsocket_address *dest_addr);

int tsocket_get_status(const struct tsocket_context *sock);

int _tsocket_get_local_address(const struct tsocket_context *sock,
			       TALLOC_CTX *mem_ctx,
			       struct tsocket_address **local_addr,
			       const char *location);
#define tsocket_get_local_address(sock, mem_ctx, local_addr) \
	_tsocket_get_local_address(sock, mem_ctx, local_addr, __location__)
int _tsocket_get_remote_address(const struct tsocket_context *sock,
				TALLOC_CTX *mem_ctx,
				struct tsocket_address **remote_addr,
				const char *location);
#define tsocket_get_remote_address(sock, mem_ctx, remote_addr) \
	_tsocket_get_remote_address(sock, mem_ctx, remote_addr, __location__)

int tsocket_get_option(const struct tsocket_context *sock,
		       const char *option,
		       TALLOC_CTX *mem_ctx,
		       char **value);
int tsocket_set_option(const struct tsocket_context *sock,
		       const char *option,
		       bool force,
		       const char *value);

void tsocket_disconnect(struct tsocket_context *sock);

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__)

int _tsocket_address_create_socket(const struct tsocket_address *addr,
				   enum tsocket_type type,
				   TALLOC_CTX *mem_ctx,
				   struct tsocket_context **sock,
				   const char *location);
#define tsocket_address_create_socket(addr, type, mem_ctx, sock) \
	_tsocket_address_create_socket(addr, type, mem_ctx, sock,\
				       __location__)

#endif /* _TSOCKET_H */