/*
 * Copyright (c) 2007, Anthony Minessale II
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * 
 * * 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.
 * 
 * * Neither the name of the original author; nor the names of any contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 * 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 COPYRIGHT OWNER
 * OR CONTRIBUTORS 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.
 *
 * Contributors: 
 *
 * Moises Silva <moy@sangoma.com>
 *
 */

#ifndef FTDM_TYPES_H
#define FTDM_TYPES_H

#include "freetdm.h"

#include "fsk.h"

#ifdef WIN32
typedef intptr_t ftdm_ssize_t;
typedef int ftdm_filehandle_t;
#else
#include <sys/types.h>
#include <sys/ioctl.h>
#include <stdarg.h>
typedef ssize_t ftdm_ssize_t;
typedef int ftdm_filehandle_t;
#endif

#ifdef __cplusplus
extern "C" {
#endif

#define FTDM_COMMAND_OBJ_INT *((int *)obj)
#define FTDM_COMMAND_OBJ_CHAR_P (char *)obj
#define FTDM_COMMAND_OBJ_FLOAT *(float *)obj
#define FTDM_FSK_MOD_FACTOR 0x10000
#define FTDM_DEFAULT_DTMF_ON 250
#define FTDM_DEFAULT_DTMF_OFF 50

#define FTDM_END -1
#define FTDM_ANY_STATE -1

typedef uint64_t ftdm_time_t; 

typedef enum {
	FTDM_ENDIAN_BIG = 1,
	FTDM_ENDIAN_LITTLE = -1
} ftdm_endian_t;

typedef enum {
	FTDM_CID_TYPE_SDMF = 0x04,
	FTDM_CID_TYPE_MDMF = 0x80
} ftdm_cid_type_t;

typedef enum {
	MDMF_DATETIME = 1,
	MDMF_PHONE_NUM = 2,
	MDMF_DDN = 3,
	MDMF_NO_NUM = 4,
	MDMF_PHONE_NAME = 7,
	MDMF_NO_NAME = 8,
	MDMF_ALT_ROUTE = 9,
	MDMF_INVALID = 10
} ftdm_mdmf_type_t;
#define MDMF_STRINGS "X", "DATETIME", "PHONE_NUM", "DDN", "NO_NUM", "X", "X", "PHONE_NAME", "NO_NAME", "ALT_ROUTE", "INVALID"
FTDM_STR2ENUM_P(ftdm_str2ftdm_mdmf_type, ftdm_mdmf_type2str, ftdm_mdmf_type_t)

#define FTDM_TONEMAP_LEN 128
typedef enum {
	FTDM_TONEMAP_NONE,
	FTDM_TONEMAP_DIAL,
	FTDM_TONEMAP_RING,
	FTDM_TONEMAP_BUSY,
	FTDM_TONEMAP_FAIL1,
	FTDM_TONEMAP_FAIL2,
	FTDM_TONEMAP_FAIL3,
	FTDM_TONEMAP_ATTN,
	FTDM_TONEMAP_CALLWAITING_CAS,
	FTDM_TONEMAP_CALLWAITING_SAS,
	FTDM_TONEMAP_CALLWAITING_ACK,
	FTDM_TONEMAP_INVALID
} ftdm_tonemap_t;
#define TONEMAP_STRINGS "NONE", "DIAL", "RING", "BUSY", "FAIL1", "FAIL2", "FAIL3", "ATTN", "CALLWAITING-CAS", "CALLWAITING-SAS", "CALLWAITING-ACK", "INVALID"
FTDM_STR2ENUM_P(ftdm_str2ftdm_tonemap, ftdm_tonemap2str, ftdm_tonemap_t)

typedef enum {
	FTDM_ANALOG_START_KEWL,
	FTDM_ANALOG_START_LOOP,
	FTDM_ANALOG_START_GROUND,
	FTDM_ANALOG_START_WINK,
	FTDM_ANALOG_START_NA
} ftdm_analog_start_type_t;
#define START_TYPE_STRINGS "KEWL", "LOOP", "GROUND", "WINK", "NA"
FTDM_STR2ENUM_P(ftdm_str2ftdm_analog_start_type, ftdm_analog_start_type2str, ftdm_analog_start_type_t)

typedef enum {
	FTDM_OOB_ONHOOK,
	FTDM_OOB_OFFHOOK,
	FTDM_OOB_WINK,
	FTDM_OOB_FLASH,
	FTDM_OOB_RING_START,
	FTDM_OOB_RING_STOP,
	FTDM_OOB_ALARM_TRAP,
	FTDM_OOB_ALARM_CLEAR,
	FTDM_OOB_NOOP,
	FTDM_OOB_CAS_BITS_CHANGE,
	FTDM_OOB_INVALID
} ftdm_oob_event_t;
#define OOB_STRINGS "DTMF", "ONHOOK", "OFFHOOK", "WINK", "FLASH", "RING_START", "RING_STOP", "ALARM_TRAP", "ALARM_CLEAR", "NOOP", "CAS_BITS_CHANGE", "INVALID"
FTDM_STR2ENUM_P(ftdm_str2ftdm_oob_event, ftdm_oob_event2str, ftdm_oob_event_t)

typedef enum {
	FTDM_SIGTYPE_NONE,
	FTDM_SIGTYPE_ISDN,
	FTDM_SIGTYPE_RBS,
	FTDM_SIGTYPE_ANALOG,
	FTDM_SIGTYPE_SANGOMABOOST,
	FTDM_SIGTYPE_M3UA,
	FTDM_SIGTYPE_R2
} ftdm_signal_type_t;

typedef enum {
	FTDM_SPAN_CONFIGURED = (1 << 0),
	FTDM_SPAN_READY = (1 << 1),
	FTDM_SPAN_STATE_CHANGE = (1 << 2),
	FTDM_SPAN_SUSPENDED = (1 << 3),
	FTDM_SPAN_IN_THREAD = (1 << 4),
	FTDM_SPAN_STOP_THREAD = (1 << 5),
	FTDM_SPAN_USE_CHAN_QUEUE = (1 << 6),
	FTDM_SPAN_SUGGEST_CHAN_ID = (1 << 7),
} ftdm_span_flag_t;

/*! \brief Channel supported features */
typedef enum {
	FTDM_CHANNEL_FEATURE_DTMF_DETECT = (1 << 0), /*!< Channel can detect DTMF (read-only) */
	FTDM_CHANNEL_FEATURE_DTMF_GENERATE = (1 << 1), /*!< Channel can generate DTMF (read-only) */
	FTDM_CHANNEL_FEATURE_CODECS = (1 << 2), /*!< Channel can do transcoding (read-only) */
	FTDM_CHANNEL_FEATURE_INTERVAL = (1 << 3), /*!< Channel support i/o interval configuration (read-only) */
	FTDM_CHANNEL_FEATURE_CALLERID = (1 << 4), /*!< Channel can detect caller id (read-only) */
	FTDM_CHANNEL_FEATURE_PROGRESS = (1 << 5), /*!< Channel can detect inband progress (read-only) */
	FTDM_CHANNEL_FEATURE_CALLWAITING = (1 << 6), /*!< Channel will allow call waiting (ie: FXS devices) (read/write) */
} ftdm_channel_feature_t;

typedef enum {
	FTDM_CHANNEL_STATE_DOWN,
	FTDM_CHANNEL_STATE_HOLD,
	FTDM_CHANNEL_STATE_SUSPENDED,
	FTDM_CHANNEL_STATE_DIALTONE,
	FTDM_CHANNEL_STATE_COLLECT,
	FTDM_CHANNEL_STATE_RING,
	FTDM_CHANNEL_STATE_BUSY,
	FTDM_CHANNEL_STATE_ATTN,
	FTDM_CHANNEL_STATE_GENRING,
	FTDM_CHANNEL_STATE_DIALING,
	FTDM_CHANNEL_STATE_GET_CALLERID,
	FTDM_CHANNEL_STATE_CALLWAITING,
	FTDM_CHANNEL_STATE_RESTART,
	FTDM_CHANNEL_STATE_PROGRESS,
	FTDM_CHANNEL_STATE_PROGRESS_MEDIA,
	FTDM_CHANNEL_STATE_UP,
	FTDM_CHANNEL_STATE_IDLE,
	FTDM_CHANNEL_STATE_TERMINATING,
	FTDM_CHANNEL_STATE_CANCEL,
	FTDM_CHANNEL_STATE_HANGUP,
	FTDM_CHANNEL_STATE_HANGUP_COMPLETE,
	FTDM_CHANNEL_STATE_IN_LOOP,
	FTDM_CHANNEL_STATE_INVALID
} ftdm_channel_state_t;
#define CHANNEL_STATE_STRINGS "DOWN", "HOLD", "SUSPENDED", "DIALTONE", "COLLECT", \
		"RING", "BUSY", "ATTN", "GENRING", "DIALING", "GET_CALLERID", "CALLWAITING", \
		"RESTART", "PROGRESS", "PROGRESS_MEDIA", "UP", "IDLE", "TERMINATING", "CANCEL", \
		"HANGUP", "HANGUP_COMPLETE", "IN_LOOP", "INVALID"
FTDM_STR2ENUM_P(ftdm_str2ftdm_channel_state, ftdm_channel_state2str, ftdm_channel_state_t)

typedef enum {
	FTDM_CHANNEL_CONFIGURED = (1 << 0),
	FTDM_CHANNEL_READY = (1 << 1),
	FTDM_CHANNEL_OPEN = (1 << 2),
	FTDM_CHANNEL_DTMF_DETECT = (1 << 3),
	FTDM_CHANNEL_SUPRESS_DTMF = (1 << 4),
	FTDM_CHANNEL_TRANSCODE = (1 << 5),
	FTDM_CHANNEL_BUFFER = (1 << 6),
	FTDM_CHANNEL_EVENT = (1 << 7),
	FTDM_CHANNEL_INTHREAD = (1 << 8),
	FTDM_CHANNEL_WINK = (1 << 9),
	FTDM_CHANNEL_FLASH = (1 << 10),
	FTDM_CHANNEL_STATE_CHANGE = (1 << 11),
	FTDM_CHANNEL_HOLD = (1 << 12),
	FTDM_CHANNEL_INUSE = (1 << 13),
	FTDM_CHANNEL_OFFHOOK = (1 << 14),
	FTDM_CHANNEL_RINGING = (1 << 15),
	FTDM_CHANNEL_PROGRESS_DETECT = (1 << 16),
	FTDM_CHANNEL_CALLERID_DETECT = (1 << 17),
	FTDM_CHANNEL_OUTBOUND = (1 << 18),
	FTDM_CHANNEL_SUSPENDED = (1 << 19),
	FTDM_CHANNEL_3WAY = (1 << 20),
	FTDM_CHANNEL_PROGRESS = (1 << 21),
	FTDM_CHANNEL_MEDIA = (1 << 22),
	FTDM_CHANNEL_ANSWERED = (1 << 23),
	FTDM_CHANNEL_MUTE = (1 << 24),
	FTDM_CHANNEL_USE_RX_GAIN = (1 << 25),
	FTDM_CHANNEL_USE_TX_GAIN = (1 << 26),
	FTDM_CHANNEL_IN_ALARM = (1 << 27),
	FTDM_CHANNEL_SIG_UP = (1 << 28),
} ftdm_channel_flag_t;
#if defined(__cplusplus) && defined(WIN32) 
    // fix C2676 
__inline__ ftdm_channel_flag_t operator|=(ftdm_channel_flag_t a, int32_t b) {
    a = (ftdm_channel_flag_t)(a | b);
    return a;
}
__inline__ ftdm_channel_flag_t operator&=(ftdm_channel_flag_t a, int32_t b) {
    a = (ftdm_channel_flag_t)(a & b);
    return a;
}
#endif

typedef enum {
	ZSM_NONE,
	ZSM_UNACCEPTABLE,
	ZSM_ACCEPTABLE
} ftdm_state_map_type_t;

typedef enum {
	ZSD_INBOUND,
	ZSD_OUTBOUND,
} ftdm_state_direction_t;

#define FTDM_MAP_NODE_SIZE 512
#define FTDM_MAP_MAX FTDM_CHANNEL_STATE_INVALID+2

struct ftdm_state_map_node {
	ftdm_state_direction_t direction;
	ftdm_state_map_type_t type;
	ftdm_channel_state_t check_states[FTDM_MAP_MAX];
	ftdm_channel_state_t states[FTDM_MAP_MAX];
};
typedef struct ftdm_state_map_node ftdm_state_map_node_t;

struct ftdm_state_map {
	ftdm_state_map_node_t nodes[FTDM_MAP_NODE_SIZE];
};
typedef struct ftdm_state_map ftdm_state_map_t;

typedef enum ftdm_channel_hw_link_status {
	FTDM_HW_LINK_DISCONNECTED = 0,
	FTDM_HW_LINK_CONNECTED
} ftdm_channel_hw_link_status_t;

typedef ftdm_status_t (*ftdm_stream_handle_raw_write_function_t) (ftdm_stream_handle_t *handle, uint8_t *data, ftdm_size_t datalen);
typedef ftdm_status_t (*ftdm_stream_handle_write_function_t) (ftdm_stream_handle_t *handle, const char *fmt, ...);

#include "ftdm_dso.h"

#define FTDM_NODE_NAME_SIZE 50
struct ftdm_conf_node {
	/* node name */
	char name[FTDM_NODE_NAME_SIZE];

	/* total slots for parameters */
	unsigned int t_parameters;

	/* current number of parameters */
	unsigned int n_parameters;

	/* array of parameters */
	ftdm_conf_parameter_t *parameters;

	/* first node child */
	struct ftdm_conf_node *child;

	/* next node sibling */
	struct ftdm_conf_node *next;

	/* my parent if any */
	struct ftdm_conf_node *parent;
};

typedef struct ftdm_module {
	char name[256];
	fio_io_load_t io_load;
	fio_io_unload_t io_unload;
	fio_sig_load_t sig_load;
	fio_sig_configure_t sig_configure;
	fio_sig_unload_t sig_unload;
	/*! 
	  \brief configure a given span signaling 
	  \see sig_configure
	  This is just like sig_configure but receives
	  an an ftdm_conf_node_t instead
	  I'd like to deprecate sig_configure and move
	  all modules to use configure_span_signaling
	 */
	fio_configure_span_signaling_t configure_span_signaling;
	ftdm_dso_lib_t lib;
	char path[256];
} ftdm_module_t;

#ifndef __FUNCTION__
#define __FUNCTION__ (const char *)__func__
#endif

typedef struct ftdm_fsk_data_state ftdm_fsk_data_state_t;
typedef int (*ftdm_fsk_data_decoder_t)(ftdm_fsk_data_state_t *state);
typedef ftdm_status_t (*ftdm_fsk_write_sample_t)(int16_t *buf, ftdm_size_t buflen, void *user_data);
typedef struct hashtable ftdm_hash_t;
typedef struct hashtable_iterator ftdm_hash_iterator_t;
typedef struct key ftdm_hash_key_t;
typedef struct value ftdm_hash_val_t;
typedef struct ftdm_bitstream ftdm_bitstream_t;
typedef struct ftdm_fsk_modulator ftdm_fsk_modulator_t;
typedef ftdm_status_t (*ftdm_span_start_t)(ftdm_span_t *span);
typedef ftdm_status_t (*ftdm_span_stop_t)(ftdm_span_t *span);

#ifdef __cplusplus
}
#endif

#endif

/* For Emacs:
 * Local Variables:
 * mode:c
 * indent-tabs-mode:t
 * tab-width:4
 * c-basic-offset:4
 * End:
 * For VIM:
 * vim:set softtabstop=4 shiftwidth=4 tabstop=4:
 */