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/*
*
* (C) 2019-22 - ntop.org
*
* http://www.ntop.org/
*
* This code is proprietary code subject to the terms and conditions
* defined in LICENSE file which is part of this source code package.
*
*/
#include "ntop_includes.h"
/**
* @file ZMQExporter.h
*
* @brief ZMQPublisher class implementation.
* @details ZMQPublisher exports flows in JSON format using a ZMQ socket.
*/
#ifndef _ZMQ_PUBLISHER_H_
#define _ZMQ_PUBLISHER_H_
#define DEFAULT_ZMQ_TCP_KEEPALIVE 1 /* Keepalive ON */
#define DEFAULT_ZMQ_TCP_KEEPALIVE_IDLE 30 /* Keepalive after 30 seconds */
#define DEFAULT_ZMQ_TCP_KEEPALIVE_CNT 3 /* Keepalive send 3 probes */
#define DEFAULT_ZMQ_TCP_KEEPALIVE_INTVL 3 /* Keepalive probes sent every 3 seconds */
class ZMQPublisher {
private:
void *context; /**< ZMQ context */
void *flow_publisher; /**< ZMQ publisher socket */
char *encryption_key; /**< Encryption key */
#if ZMQ_VERSION >= ZMQ_MAKE_VERSION(4,1,0)
int setEncryptionKey(const char *server_public_key);
#endif
void xor_encdec(u_char *data, int data_len, u_char *key);
bool sendMessage(const char * topic, char * str);
public:
ZMQPublisher(char *endpoint, const char *_encryption_key = NULL, const char *server_public_key = NULL);
~ZMQPublisher();
inline bool sendIPSMessage(char *msg) { return(sendMessage("ips", msg)); }
};
#endif /* _ZMQ_PUBLISHER_H_ */
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