byedpi/conev.h

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C
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#pragma once
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#include <stdint.h>
#ifndef __linux__
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#define NOEPOLL
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#endif
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#ifdef _WIN32
#include <ws2tcpip.h>
#define poll(fds, cnt, to) WSAPoll(fds, cnt, to)
#define close(fd) closesocket(fd)
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#else
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#include <netinet/in.h>
#include <unistd.h>
#ifndef NOEPOLL
#include <sys/epoll.h>
#define POLLIN EPOLLIN
#define POLLOUT EPOLLOUT
#define POLLERR EPOLLERR
#define POLLHUP EPOLLHUP
#define POLLRDHUP EPOLLRDHUP
#else
#include <sys/poll.h>
#endif
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#endif
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#ifndef POLLRDHUP
#define POLLRDHUP POLLHUP
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#endif
enum eid {
EV_ACCEPT,
EV_REQUEST,
EV_CONNECT,
EV_IGNORE,
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EV_TUNNEL,
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EV_PRE_TUNNEL,
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EV_UDP_TUNNEL,
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EV_DESYNC
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};
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#define FLAG_S4 1
#define FLAG_S5 2
#define FLAG_CONN 4
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#ifdef EID_STR
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char *eid_name[] = {
"EV_ACCEPT",
"EV_REQUEST",
"EV_CONNECT",
"EV_IGNORE",
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"EV_TUNNEL",
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"EV_PRE_TUNNEL",
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"EV_UDP_TUNNEL",
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"EV_DESYNC"
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};
#endif
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struct buffer {
ssize_t size;
int offset;
char *data;
};
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struct eval {
int fd;
int index;
enum eid type;
struct eval *pair;
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struct buffer buff;
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int flag;
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union {
struct sockaddr_in in;
struct sockaddr_in6 in6;
};
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ssize_t recv_count;
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int attempt;
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char cache;
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#ifndef NOEPOLL
uint32_t events;
#endif
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unsigned int mod_iter;
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};
struct poolhd {
int max;
int count;
int efd;
struct eval **links;
struct eval *items;
#ifndef NOEPOLL
struct epoll_event *pevents;
#else
struct pollfd *pevents;
#endif
unsigned int iters;
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};
struct poolhd *init_pool(int count);
struct eval *add_event(struct poolhd *pool, enum eid type, int fd, int e);
struct eval *add_pair(struct poolhd *pool, struct eval *val, int sfd, int e);
void del_event(struct poolhd *pool, struct eval *val);
void destroy_pool(struct poolhd *pool);
struct eval *next_event(struct poolhd *pool, int *offs, int *type);
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int mod_etype(struct poolhd *pool, struct eval *val, int type, char rm);