/*
   Unix SMB/CIFS implementation.
   Headers for the async winbind client library
   Copyright (C) Volker Lendecke 2008

     ** NOTE! The following LGPL license applies to the wbclient
     ** 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
   Library General Public License for more details.

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

#ifndef _WBC_ASYNC_H_
#define _WBC_ASYNC_H_

#include <talloc.h>
#include <tevent.h>
#include "nsswitch/libwbclient/wbclient.h"

struct wb_context;
struct winbindd_request;
struct winbindd_response;

enum wbcDebugLevel {
	WBC_DEBUG_FATAL,
	WBC_DEBUG_ERROR,
	WBC_DEBUG_WARNING,
	WBC_DEBUG_TRACE
};

struct tevent_req *wb_trans_send(TALLOC_CTX *mem_ctx,
				 struct tevent_context *ev,
				 struct wb_context *wb_ctx, bool need_priv,
				 struct winbindd_request *wb_req);
wbcErr wb_trans_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
		     struct winbindd_response **presponse);
struct wb_context *wb_context_init(TALLOC_CTX *mem_ctx, const char* dir);
int wbcSetDebug(struct wb_context *wb_ctx,
		void (*debug)(void *context,
			      enum wbcDebugLevel level,
			      const char *fmt,
			      va_list ap) PRINTF_ATTRIBUTE(3,0),
		void *context);
int wbcSetDebugStderr(struct wb_context *wb_ctx);
void wbcDebug(struct wb_context *wb_ctx, enum wbcDebugLevel level,
	      const char *fmt, ...) PRINTF_ATTRIBUTE(3,0);

/* Definitions from wb_reqtrans.c */
wbcErr map_wbc_err_from_errno(int error);

bool tevent_req_is_wbcerr(struct tevent_req *req, wbcErr *pwbc_err);
wbcErr tevent_req_simple_recv_wbcerr(struct tevent_req *req);

struct tevent_req *wb_req_read_send(TALLOC_CTX *mem_ctx,
				    struct tevent_context *ev,
				    int fd, size_t max_extra_data);
ssize_t wb_req_read_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
			 struct winbindd_request **preq, int *err);

struct tevent_req *wb_req_write_send(TALLOC_CTX *mem_ctx,
				     struct tevent_context *ev,
				     struct tevent_queue *queue, int fd,
				     struct winbindd_request *wb_req);
ssize_t wb_req_write_recv(struct tevent_req *req, int *err);

struct tevent_req *wb_resp_read_send(TALLOC_CTX *mem_ctx,
				     struct tevent_context *ev, int fd);
ssize_t wb_resp_read_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
			  struct winbindd_response **presp, int *err);

struct tevent_req *wb_resp_write_send(TALLOC_CTX *mem_ctx,
				      struct tevent_context *ev,
				      struct tevent_queue *queue, int fd,
				      struct winbindd_response *wb_resp);
ssize_t wb_resp_write_recv(struct tevent_req *req, int *err);

struct tevent_req *wb_simple_trans_send(TALLOC_CTX *mem_ctx,
					struct tevent_context *ev,
					struct tevent_queue *queue, int fd,
					struct winbindd_request *wb_req);
int wb_simple_trans_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
			 struct winbindd_response **presponse, int *err);

/* Async functions from wbc_util.c */

struct tevent_req *wbcPing_send(TALLOC_CTX *mem_ctx,
			       struct tevent_context *ev,
			       struct wb_context *wb_ctx);
wbcErr wbcPing_recv(struct tevent_req *req);


#endif /*_WBC_ASYNC_H_*/