#ifndef __APP_LAYER_FTP_H__
#define __APP_LAYER_FTP_H__

typedef enum {
    FTP_COMMAND_UNKNOWN = 0,
    FTP_COMMAND_ABOR,
    FTP_COMMAND_ACCT,
    FTP_COMMAND_ALLO,
    FTP_COMMAND_APPE,
    FTP_COMMAND_CDUP,
    FTP_COMMAND_CHMOD,
    FTP_COMMAND_CWD,
    FTP_COMMAND_DELE,
    FTP_COMMAND_HELP,
    FTP_COMMAND_IDLE,
    FTP_COMMAND_LIST,
    FTP_COMMAND_MAIL,
    FTP_COMMAND_MDTM,
    FTP_COMMAND_MKD,
    FTP_COMMAND_MLFL,
    FTP_COMMAND_MODE,
    FTP_COMMAND_MRCP,
    FTP_COMMAND_MRSQ,
    FTP_COMMAND_MSAM,
    FTP_COMMAND_MSND,
    FTP_COMMAND_MSOM,
    FTP_COMMAND_NLST,
    FTP_COMMAND_NOOP,
    FTP_COMMAND_PASS,
    FTP_COMMAND_PASV,
    FTP_COMMAND_PORT,
    FTP_COMMAND_PWD,
    FTP_COMMAND_QUIT,
    FTP_COMMAND_REIN,
    FTP_COMMAND_REST,
    FTP_COMMAND_RETR,
    FTP_COMMAND_RMD,
    FTP_COMMAND_RNFR,
    FTP_COMMAND_RNTO,
    FTP_COMMAND_SITE,
    FTP_COMMAND_SIZE,
    FTP_COMMAND_SMNT,
    FTP_COMMAND_STAT,
    FTP_COMMAND_STOR,
    FTP_COMMAND_STOU,
    FTP_COMMAND_STRU,
    FTP_COMMAND_SYST,
    FTP_COMMAND_TYPE,
    FTP_COMMAND_UMASK,
    FTP_COMMAND_USER
    /** \todo more if missing.. */
} FtpRequestCommand;
typedef uint32_t FtpRequestCommandArgOfs;

typedef uint16_t FtpResponseCode;

enum {
    FTP_FIELD_NONE = 0,

    FTP_FIELD_REQUEST_LINE,
    FTP_FIELD_REQUEST_COMMAND,
    FTP_FIELD_REQUEST_ARGS,

    FTP_FIELD_RESPONSE_LINE,
    FTP_FIELD_REPONSE_CODE,

    /* must be last */
    FTP_FIELD_MAX,
};

/** FTP State for app layer parser */
typedef struct FtpState_ {
    FtpRequestCommand command;
    FtpRequestCommandArgOfs arg_offset;
    FtpResponseCode response_code;
    uint8_t *port_line;
    uint32_t port_line_len;
} FtpState;

void RegisterFTPParsers(void);
void FTPParserRegisterTests(void);
void FTPAtExitPrintStats(void);

#endif /* __APP_LAYER_FTP_H__ */