#pragma once

#include "common.h"

typedef struct session
{
	// 控制连接
	uid_t uid;
	int ctrl_fd;
	char cmdline[MAX_COMMAND_LINE];
	char cmd[MAX_COMMAND];
	char arg[MAX_ARG];

	// 数据连接
	struct sockaddr_in *port_addr;
	int pasv_listen_fd;
	int data_fd;
	int data_process;

	// 限速
	unsigned int bw_upload_rate_max;
	unsigned int bw_download_rate_max;
	long bw_transfer_start_sec;
	long bw_transfer_start_usec;


	// 父子进程通道
	int parent_fd;
	int child_fd;

	// FTP协议状态
	int is_ascii;
	long long restart_pos;
	char *rnfr_name;
	int abor_received;

	// 连接数限制
	unsigned int num_clients;
	unsigned int num_this_ip;
} session_t;

void begin_session(session_t *sess);