/*
    Copyright (c) 2016-2018 Chung, Hyung-Hwan. All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:
    1. Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright
       notice, this list of conditions and the following disclaimer in the
       documentation and/or other materials provided with the distribution.

    THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
    IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _HCL_X_T_
#define _HCL_X_T_

/*#include <hcl-cmn.h>*/
#include <hcl.h>

enum hcl_xpkt_type_t
{
	HCL_XPKT_CODEIN,
	HCL_XPKT_CODEOUT, /* return value is passed over this? */
	HCL_XPKT_STDIN,
	HCL_XPKT_STDOUT,

	HCL_XPKT_LIST_WORKERS,
	HCL_XPKT_KILL_WORKER
};
typedef enum hcl_xpkt_type_t hcl_xpkt_type_t;

struct hcl_xpkt_hdr_t
{
	hcl_uint8_t type;
	hcl_uint8_t id;
	hcl_uint8_t len;
};
typedef struct hcl_xpkt_hdr_t hcl_xpkt_hdr_t;


/* ---------------------------------------------------------------------- */

typedef struct hcl_server_proto_t hcl_server_proto_t;
typedef struct hcl_server_worker_t hcl_server_worker_t;
typedef struct hcl_server_t hcl_server_t;

enum hcl_server_option_t
{
	HCL_SERVER_TRAIT,
	HCL_SERVER_LOG_MASK,
	HCL_SERVER_WORKER_MAX_COUNT,
	HCL_SERVER_WORKER_STACK_SIZE,
	HCL_SERVER_WORKER_IDLE_TIMEOUT,
	HCL_SERVER_ACTOR_HEAP_SIZE,
	HCL_SERVER_ACTOR_MAX_RUNTIME,
	HCL_SERVER_SCRIPT_INCLUDE_PATH,
	HCL_SERVER_MODULE_INCTX
};
typedef enum hcl_server_option_t hcl_server_option_t;

enum hcl_server_trait_t
{
#if defined(HCL_BUILD_DEBUG)
	HCL_SERVER_TRAIT_DEBUG_GC         = (1 << 0),
	HCL_SERVER_TRAIT_DEBUG_BIGINT     = (1 << 1)
#endif
};
typedef enum hcl_server_trait_t hcl_server_trait_t;

#define HCL_SERVER_WID_INVALID ((hcl_oow_t)-1)
#define HCL_SERVER_WID_MAX (HCL_SERVER_WID_INVALID - 1)

typedef void (*hcl_server_log_write_t) (
	hcl_server_t*     server,
	hcl_oow_t         wid,
	hcl_bitmask_t     mask,
	const hcl_ooch_t* msg,
	hcl_oow_t         len
);

struct hcl_server_prim_t
{
	hcl_server_log_write_t log_write;
};
typedef struct hcl_server_prim_t hcl_server_prim_t;



/* ---------------------------------------------------------------------- */


typedef struct hcl_client_t hcl_client_t;

enum hcl_client_option_t
{
	HCL_CLIENT_TRAIT,
	HCL_CLIENT_LOG_MASK,
};
typedef enum hcl_client_option_t hcl_client_option_t;

enum hcl_client_trait_t
{
	/* no trait defined at this moment. XXXX is just a placeholder */
	HCL_CLIENT_XXXX  = (1 << 0)
};
typedef enum hcl_client_trait_t hcl_client_trait_t;


typedef void (*hcl_client_log_write_t) (
	hcl_client_t*     client,
	hcl_bitmask_t     mask,
	const hcl_ooch_t* msg,
	hcl_oow_t         len
);

struct hcl_client_prim_t
{
	hcl_client_log_write_t     log_write;
};
typedef struct hcl_client_prim_t hcl_client_prim_t;

/* ---------------------------------------------------------------------- */

#if defined(__cplusplus)
extern "C" {
#endif

HCL_EXPORT hcl_server_t* hcl_server_open (
	hcl_mmgr_t*        mmgr,
	hcl_oow_t          xtnsize,
	hcl_server_prim_t* prim,
	hcl_errnum_t*      errnum
);

HCL_EXPORT void hcl_server_close (
	hcl_server_t* server
);

HCL_EXPORT int hcl_server_start (
	hcl_server_t*    server,
	const hcl_bch_t* addrs
);

HCL_EXPORT void hcl_server_stop (
	hcl_server_t* server
);

HCL_EXPORT int hcl_server_setoption (
	hcl_server_t*       server,
	hcl_server_option_t id,
	const void*         value
);

HCL_EXPORT int hcl_server_getoption (
	hcl_server_t*       server,
	hcl_server_option_t id,
	void*               value
);

HCL_EXPORT void* hcl_server_getxtn (
	hcl_server_t* server
);

HCL_EXPORT hcl_mmgr_t* hcl_server_getmmgr (
	hcl_server_t* server
);


HCL_EXPORT hcl_cmgr_t* hcl_server_getcmgr (
	hcl_server_t* server
);

HCL_EXPORT void hcl_server_setcmgr (
	hcl_server_t* server,
	hcl_cmgr_t*   cmgr
);

HCL_EXPORT hcl_errnum_t hcl_server_geterrnum (
	hcl_server_t* server
);

HCL_EXPORT const hcl_ooch_t* hcl_server_geterrstr (
	hcl_server_t* server
);

HCL_EXPORT const hcl_ooch_t* hcl_server_geterrmsg (
	hcl_server_t* server
);

HCL_EXPORT void hcl_server_seterrnum (
	hcl_server_t* server,
	hcl_errnum_t  errnum
);

HCL_EXPORT void hcl_server_seterrbfmt (
	hcl_server_t*    server,
	hcl_errnum_t     errnum,
	const hcl_bch_t* fmt,
	...
);

HCL_EXPORT void hcl_server_seterrufmt (
	hcl_server_t*    server,
	hcl_errnum_t     errnum,
	const hcl_uch_t* fmt,
	...
);

HCL_EXPORT void hcl_server_logbfmt (
	hcl_server_t*    server,
	hcl_bitmask_t  mask,
	const hcl_bch_t* fmt,
	...
);

HCL_EXPORT void hcl_server_logufmt (
	hcl_server_t*    server,
	hcl_bitmask_t  mask,
	const hcl_uch_t* fmt,
	...
);


HCL_EXPORT void* hcl_server_allocmem (
	hcl_server_t* server,
	hcl_oow_t     size
);

HCL_EXPORT void* hcl_server_callocmem (
	hcl_server_t* server,
	hcl_oow_t     size
);

HCL_EXPORT void* hcl_server_reallocmem (
	hcl_server_t* server,
	void*         ptr,
	hcl_oow_t     size
);


HCL_EXPORT void hcl_server_freemem (
	hcl_server_t* server,
	void*         ptr
);


HCL_EXPORT int hcl_server_proto_feed_reply (
	hcl_server_proto_t* proto,
	const hcl_ooch_t*   ptr,
	hcl_oow_t           len,
	int                 escape
);

HCL_EXPORT int hcl_server_proto_feed_reply_bytes (
	hcl_server_proto_t* proto,
	const hcl_bch_t*    ptr,
	hcl_oow_t           len
);

HCL_EXPORT int hcl_server_proto_handle_incoming (
	hcl_server_proto_t* proto
);

/* ---------------------------------------------------------------------- */

HCL_EXPORT hcl_client_t* hcl_client_open (
	hcl_mmgr_t*        mmgr,
	hcl_oow_t          xtnsize,
	hcl_client_prim_t* prim,
	hcl_errnum_t*      errnum
);

HCL_EXPORT void hcl_client_close (
	hcl_client_t* client
);

HCL_EXPORT void hcl_client_reset (
	hcl_client_t* client
);

HCL_EXPORT int hcl_client_feed (
	hcl_client_t* client,
	const void*   ptr,
	hcl_oow_t     len,
	hcl_oow_t*    xlen
);

HCL_EXPORT int hcl_client_setoption (
	hcl_client_t*       client,
	hcl_client_option_t id,
	const void*         value
);

HCL_EXPORT int hcl_client_getoption (
	hcl_client_t*       client,
	hcl_client_option_t id,
	void*               value
);


HCL_EXPORT void* hcl_client_getxtn (
	hcl_client_t* client
);

HCL_EXPORT hcl_mmgr_t* hcl_client_getmmgr (
	hcl_client_t* client
);

HCL_EXPORT hcl_cmgr_t* hcl_client_getcmgr (
	hcl_client_t* client
);

HCL_EXPORT void hcl_client_setcmgr (
	hcl_client_t* client,
	hcl_cmgr_t*   cmgr
);


HCL_EXPORT hcl_errnum_t hcl_client_geterrnum (
	hcl_client_t* client
);

HCL_EXPORT const hcl_ooch_t* hcl_client_geterrstr (
	hcl_client_t* client
);

HCL_EXPORT const hcl_ooch_t* hcl_client_geterrmsg (
	hcl_client_t* client
);

HCL_EXPORT void hcl_client_seterrnum (
	hcl_client_t* client,
	hcl_errnum_t  errnum
);

HCL_EXPORT void hcl_client_seterrbfmt (
	hcl_client_t*    client,
	hcl_errnum_t     errnum,
	const hcl_bch_t* fmt,
	...
);

HCL_EXPORT void hcl_client_seterrufmt (
	hcl_client_t*    client,
	hcl_errnum_t     errnum,
	const hcl_uch_t* fmt,
	...
);

HCL_EXPORT void hcl_client_logbfmt (
	hcl_client_t*    client,
	hcl_bitmask_t  mask,
	const hcl_bch_t* fmt,
	...
);

HCL_EXPORT void hcl_client_logufmt (
	hcl_client_t*    client,
	hcl_bitmask_t  mask,
	const hcl_uch_t* fmt,
	...
);

HCL_EXPORT void* hcl_client_allocmem (
	hcl_client_t* client,
	hcl_oow_t     size
);

HCL_EXPORT void* hcl_client_callocmem (
	hcl_client_t* client,
	hcl_oow_t     size
);

HCL_EXPORT void* hcl_client_reallocmem (
	hcl_client_t* client,
	void*         ptr,
	hcl_oow_t     size
);


HCL_EXPORT void hcl_client_freemem (
	hcl_client_t* client,
	void*         ptr
);

#if defined(__cplusplus)
}
#endif

#endif