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/*!
* \file mod_netconf.c
* \brief NETCONF daemon for Netopeer
* \author Tomas Cejka <cejkat@cesnet.cz>
* \author Radek Krejci <rkrejci@cesnet.cz>
* \date 2011
* \date 2012
* \date 2013
* \date 2014
*/
/*
* Copyright (C) 2011-2014 CESNET
*
* LICENSE TERMS
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the Company nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* ALTERNATIVELY, provided that this notice is retained in full, this
* product may be distributed under the terms of the GNU General Public
* License (GPL) version 2 or later, in which case the provisions
* of the GPL apply INSTEAD OF those given above.
*
* This software is provided ``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 company 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 __MOD_NETCONF_COMMON_H
#define __MOD_NETCONF_COMMON_H
#include <pthread.h>
#include <json/json.h>
#include <libyang/libyang.h>
#define UNUSED(x) UNUSED_ ## x __attribute__((__unused__))
/**
* \brief Check if pointer is not NULL, free memory and set pointer to NULL
*/
#define CHECK_AND_FREE(pointer) if (pointer != NULL) { free(pointer); pointer = NULL; }
typedef struct notification {
time_t eventtime;
char* content;
} notification_t;
struct session_with_mutex {
struct nc_session *session; /**< netconf session */
unsigned int session_key; /**< unique session identifier throughout all the sessions */
notification_t *notifications;
int notif_count;
json_object *hello_message;
char ntfc_subscribed; /**< 0 when notifications are not subscribed */
char closed; /**< 0 when session is terminated */
time_t last_activity;
struct ly_ctx *ctx;
pthread_mutex_t lock; /**< mutex protecting the session from multiple access */
struct session_with_mutex *prev;
struct session_with_mutex *next;
};
struct pass_to_thread {
int client; /**< opened socket */
struct session_with_mutex *netconf_sessions_list; /**< ?? */
};
extern pthread_rwlock_t session_lock; /**< mutex protecting netconf_session_list from multiple access errors */
extern pthread_key_t err_reply_key;
extern pthread_mutex_t json_lock;
json_object *create_error_reply(const char *errmess);
#define DEBUG(...) do { \
fprintf(stderr, __VA_ARGS__); \
fprintf(stderr, "\n"); \
} while (0);
#define ERROR(...) do { \
fprintf(stderr, __VA_ARGS__); \
fprintf(stderr, "\n"); \
} while (0);
#define GETSPEC_ERR_REPLY \
json_object **err_reply_p = (json_object **) pthread_getspecific(err_reply_key); \
json_object *err_reply = ((err_reply_p != NULL)?(*err_reply_p):NULL);
#define CHECK_ERR_SET_REPLY \
if (reply == NULL) { \
GETSPEC_ERR_REPLY \
if (err_reply != NULL) { \
/* use filled err_reply from libnetconf's callback */ \
reply = err_reply; \
} \
}
#define CHECK_ERR_SET_REPLY_ERR(errmsg) \
if (reply == NULL) { \
GETSPEC_ERR_REPLY \
if (err_reply == NULL) { \
reply = create_error_reply(errmsg); \
} else { \
/* use filled err_reply from libnetconf's callback */ \
reply = err_reply; \
} \
}
void create_err_reply_p();
void clean_err_reply();
void free_err_reply();
NC_MSG_TYPE netconf_send_recv_timed(struct nc_session *session, nc_rpc *rpc,
int timeout, nc_reply **reply);
#endif