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/* \file libpag.h
*
* \brief IIE ZeroCopy Packet I/O Library for CNCERT
* \author Qiuwen Lu<[email protected]>
* \date 2016-09-13
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
int pag_open();
int pag_close();
void * pag_get_frame(int sid);
int pag_get_frame_length(int sid);
void * pag_get(int sid);
void *pag_getsendbuf(int sid);
int pag_send(int pkttype, int sid, int datalen);
void pag_freesendbuf(int sid);
void *pag_getsendbuf_eth(int sid, int port);
int pag_send_eth(int sid, int eth_datalen, int port);
void pag_freesendbuf_eth(int sid, int port);
uint64_t pag_time(void *pkt);
#if 0
/* Compatible with DF dual stack system, running on line */
typedef void packet_t;
packet_t * pag_get_packet(int sid);
void * pag_get_frame_with_packet(packet_t * packet);
#define pag_get_frame(x) \
__builtin_choose_expr( \
__builtin_types_compatible_p(typeof(x), int), pag_get_frame(x) \
__builtin_choose_expr(__builtin_types_compatible_p(typeof(x), packet_t *), \
pag_get_frame_with_packet(x))) \
#endif
/* Extended Interface */
void * pag_get_frame_with_len(int sid, unsigned int * len);
#ifdef __cplusplus
}
#endif
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