middleware.h

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#ifndef MIDDLEWARE_H
#define MIDDLEWARE_H
 
#include <stdint.h>
#include <sqlite3.h>
 
#include <eloop.h>
#include "./pcap_service.h"
 
// params is a pointer to an already allocated string
struct middleware_context {
  sqlite3 *db;
  struct eloop_data *eloop;
  struct pcap_context *pc;
  void *mdata;
  char *params;
};
 
struct capture_middleware {
  struct middleware_context *(*const init)(sqlite3 *db, char *db_path,
                                           struct eloop_data *eloop,
                                           struct pcap_context *pc,
                                           char *params);
 
  int (*const process)(struct middleware_context *context, const char *ltype,
                       struct pcap_pkthdr *header, uint8_t *packet,
                       char *ifname);
 
  void (*const free)(struct middleware_context *context);
 
  const char *const name;
};
#endif