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/*
* common.h - Provide global definitions
*
* Copyright (C) 2013 - 2019, Max Lv <[email protected]>
*
* This file is part of the shadowsocks-libev.
* shadowsocks-libev is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* shadowsocks-libev is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with shadowsocks-libev; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*/
#ifndef _COMMON_H
#define _COMMON_H
#ifndef SOL_TCP
#define SOL_TCP IPPROTO_TCP
#endif
#if defined(MODULE_TUNNEL) || defined(MODULE_REDIR)
#define MODULE_LOCAL
#endif
#include "crypto.h"
int init_udprelay(const char *server_host, const char *server_port,
#ifdef MODULE_LOCAL
const struct sockaddr *remote_addr, const int remote_addr_len,
#ifdef MODULE_TUNNEL
const ss_addr_t tunnel_addr,
#endif
#endif
int mtu, crypto_t *crypto, int timeout, const char *iface);
void free_udprelay(void);
#ifdef __ANDROID__
int protect_socket(int fd);
int send_traffic_stat(uint64_t tx, uint64_t rx);
#endif
#define STAGE_ERROR -1 /* Error detected */
#define STAGE_INIT 0 /* Initial stage */
#define STAGE_HANDSHAKE 1 /* Handshake with client */
#define STAGE_RESOLVE 4 /* Resolve the hostname */
#define STAGE_STREAM 5 /* Stream between client and server */
#define STAGE_STOP 6 /* Server stop to response */
/* Vals for long options */
enum {
GETOPT_VAL_HELP = 257,
GETOPT_VAL_REUSE_PORT,
GETOPT_VAL_FAST_OPEN,
GETOPT_VAL_NODELAY,
GETOPT_VAL_ACL,
GETOPT_VAL_MTU,
GETOPT_VAL_MPTCP,
GETOPT_VAL_PLUGIN,
GETOPT_VAL_PLUGIN_OPTS,
GETOPT_VAL_PASSWORD,
GETOPT_VAL_KEY,
GETOPT_VAL_MANAGER_ADDRESS,
GETOPT_VAL_EXECUTABLE,
GETOPT_VAL_WORKDIR,
GETOPT_VAL_TCP_INCOMING_SNDBUF,
GETOPT_VAL_TCP_INCOMING_RCVBUF,
GETOPT_VAL_TCP_OUTGOING_SNDBUF,
GETOPT_VAL_TCP_OUTGOING_RCVBUF
};
#endif // _COMMON_H