hsmsd_interface.h

/*   
 *   (c) Copyright 2008 Philipp Skadorov (philipp_s@users.sourceforge.net)
 *
 *   This file is part of FREESECS.
 *
 *   FREESECS 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.
 *
 *   FREESECS 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 FREESECS, see COPYING.
 *   If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef _MESSAGES_H
#define _MESSAGES_H
#include <sys/types.h>

#define HSMSD_FIFO_DIR "/var/run/hsmsd"

#define HSMSD_REGISTER_FIFO         HSMSD_FIFO_DIR"/hsmsd"
#define HSMSD_REGISTER_FIFO_IN      HSMSD_REGISTER_FIFO".in"
#define HSMSD_REGISTER_FIFO_OUT     HSMSD_REGISTER_FIFO".out"

#define HSMSD_CLIENT_FIFO_PATTERN HSMSD_FIFO_DIR"/%d"

#define HSMSD_CLIENT_FIFO_CTL_IN_PATTERN HSMSD_CLIENT_FIFO_PATTERN"_%u.ctl.in"

#define HSMSD_CLIENT_FIFO_CTL_OUT_PATTERN HSMSD_CLIENT_FIFO_PATTERN"_%u.ctl.out"

#define HSMSD_CLIENT_FIFO_DATA_IN_PATTERN HSMSD_CLIENT_FIFO_PATTERN"_%u.data.in"

#define HSMSD_CLIENT_FIFO_DATA_OUT_PATTERN HSMSD_CLIENT_FIFO_PATTERN"_%u.data.out"

#define HSMS_NAME_MAX_LEN 128

typedef struct
{
    pid_t cli_pid;
    char cnx_name[HSMS_NAME_MAX_LEN];
}hsmsd_register_req_t;

typedef struct
{
    enum
    {
        REG_OK = 0,
        REG_INVALID_NAME,
        REG_INVALID_PID,
        REG_ALREADY_REGISTERED,
        REG_ERR_NOMEM
    } rsp_code;
    char pipe_name_ctl_req[HSMS_NAME_MAX_LEN];
    char pipe_name_ctl_rsp[HSMS_NAME_MAX_LEN];
    char pipe_name_data_req[HSMS_NAME_MAX_LEN];
    char pipe_name_data_rsp[HSMS_NAME_MAX_LEN];
}hsmsd_register_rsp_t;

typedef struct
{
    unsigned short  stream;
    unsigned short  function;
    unsigned char   wbit;
    unsigned int    sysbytes;
    unsigned int    data_len;
}msg_header_t;

typedef struct
{
    enum
    {
        CNX_START,
        CNX_STOP,
        CNX_STATE,
        MSG_SEND
    }type;

    union
    {
        msg_header_t msg_header;
    }u;

}hsmsd_client_req_t;

typedef struct 
{
    typedef enum
    {
        CNX_NOT_CONNECTED=0,
        CNX_NOT_SELECTED,
        CNX_SELECTED
    }cnx_state_t;

    enum
    {
        CNX_START=0,
        CNX_STOP,
        CNX_STATE_RSP,
        CNX_STATE_EVT,
        CNX_ERROR_EVT,
        MSG_SEND,
        MSG_RECV,
        MAX_RSP_TYPE
    }type;

    union
    {
        int req_status;

        int cnx_error;
    
        msg_header_t msg_header;

        cnx_state_t cnx_state;
    }u;
} hsmsd_server_rsp_t;

#endif /*_MESSAGES_H*/

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