UDPspeeder/packet.h

/*
 * packet.h
 *
 *  Created on: Sep 15, 2017
 *      Author: root
 */

#ifndef PACKET_H_
#define PACKET_H_

#include "common.h"
#include "fd_manager.h"

extern int iv_min;
extern int iv_max;//< 256;

extern u64_t packet_send_count;
extern u64_t dup_packet_send_count;
extern u64_t packet_recv_count;
extern u64_t dup_packet_recv_count;
extern char key_string[1000];
extern int disable_replay_filter;
extern int random_drop;
extern int disable_obscure;
extern int disable_xor;


int my_send(const dest_t &dest,char *data,int len);

void encrypt_0(char * input,int &len,char *key);
void decrypt_0(char * input,int &len,char *key);
int add_seq(char * data,int &data_len );
int remove_seq(char * data,int &data_len);
int do_obscure(const char * input, int in_len,char *output,int &out_len);
int de_obscure(const char * input, int in_len,char *output,int &out_len);

//int sendto_fd_u64 (int fd,u64_t u64,char * buf, int len,int flags);
int sendto_ip_port (u32_t ip,int port,char * buf, int len,int flags);
int send_fd (int fd,char * buf, int len,int flags);

int put_conv(u32_t conv,const char * input,int len_in,char *&output,int &len_out);
int get_conv(u32_t &conv,const char *input,int len_in,char *&output,int &len_out );
int put_crc32(char * s,int &len);
int rm_crc32(char * s,int &len);
int do_cook(char * data,int &len);
int de_cook(char * s,int &len);
#endif /* PACKET_H_ */