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lcr/port.h

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/*****************************************************************************\
** **
** PBX4Linux **
** **
**---------------------------------------------------------------------------**
** Copyright: Andreas Eversberg **
** **
** port header file **
** **
\*****************************************************************************/
#ifndef PORT_HEADER
#define PORT_HEADER
/* type of port */
#define PORT_TYPE_NULL 0x0000
#define PORT_CLASS_mISDN 0x1000
#define PORT_CLASS_DSS1 0x1100
#define PORT_CLASS_DSS1_NT 0x1110
#define PORT_CLASS_DSS1_TE 0x1120
#define PORT_CLASS_POTS 0x1200
#define PORT_CLASS_POTS_FXS 0x1210
#define PORT_CLASS_POTS_FXO 0x1220
#define PORT_CLASS_SS5 0x1300
#define PORT_CLASS_SIP 0x2000
#define PORT_CLASS_GSM 0x3000
#define PORT_CLASS_GSM_BS 0x3100
#define PORT_CLASS_GSM_MS 0x3200
#define PORT_CLASS_REMOTE 0x4000
#define PORT_CLASS_MASK 0xf000
#define PORT_CLASS_mISDN_MASK 0xff00
#define PORT_CLASS_DSS1_MASK 0xfff0
#define PORT_CLASS_POTS_MASK 0xfff0
#define PORT_CLASS_GSM_MASK 0xff00
#define PORT_CLASS_DIR_MASK 0x000f
#define PORT_CLASS_DIR_IN 0x0001
#define PORT_CLASS_DIR_OUT 0x0002
/* nt-mode */
#define PORT_TYPE_DSS1_NT_IN 0x1111
#define PORT_TYPE_DSS1_NT_OUT 0x1112
/* te-mode */
#define PORT_TYPE_DSS1_TE_IN 0x1121
#define PORT_TYPE_DSS1_TE_OUT 0x1122
/* FXS-mode */
#define PORT_TYPE_POTS_FXS_IN 0x1211
#define PORT_TYPE_POTS_FXS_OUT 0x1212
/* FXO-mode */
#define PORT_TYPE_POTS_FXO_IN 0x1221
#define PORT_TYPE_POTS_FXO_OUT 0x1222
/* gsm */
#define PORT_TYPE_GSM_BS_IN 0x3101
#define PORT_TYPE_GSM_BS_OUT 0x3102
#define PORT_TYPE_GSM_MS_IN 0x3201
#define PORT_TYPE_GSM_MS_OUT 0x3202
/* ss5 */
#define PORT_TYPE_SS5_IN 0x1311
#define PORT_TYPE_SS5_OUT 0x1312
#define PORT_TYPE_SS5_IDLE 0x1313
/* remote */
#define PORT_TYPE_REMOTE_IN 0x4001
#define PORT_TYPE_REMOTE_OUT 0x4002
/* SIP */
#define PORT_TYPE_SIP_IN 0x2001
#define PORT_TYPE_SIP_OUT 0x2002
/* answering machine */
#define PORT_TYPE_VBOX_OUT 0xf111
enum { /* states of call */
PORT_STATE_IDLE, /* no call */
PORT_STATE_IN_SETUP, /* incoming connection */
PORT_STATE_OUT_SETUP, /* outgoing connection */
PORT_STATE_IN_OVERLAP, /* more informatiopn needed */
PORT_STATE_OUT_OVERLAP, /* more informatiopn needed */
PORT_STATE_IN_PROCEEDING,/* call is proceeding */
PORT_STATE_OUT_PROCEEDING,/* call is proceeding */
PORT_STATE_IN_ALERTING, /* call is ringing */
PORT_STATE_OUT_ALERTING,/* call is ringing */
PORT_STATE_CONNECT_WAITING,/* connect is sent to the network, waiting for acknowledge */
PORT_STATE_CONNECT, /* call is connected and transmission is enabled */
PORT_STATE_IN_DISCONNECT,/* incoming disconnected */
PORT_STATE_OUT_DISCONNECT,/* outgoing disconnected */
PORT_STATE_RELEASE, /* call released */
};
#define PORT_STATE_NAMES \
static const char *state_name[] = { \
"PORT_STATE_IDLE", \
"PORT_STATE_IN_SETUP", \
"PORT_STATE_OUT_SETUP", \
"PORT_STATE_IN_OVERLAP", \
"PORT_STATE_OUT_OVERLAP", \
"PORT_STATE_IN_PROCEEDING", \
"PORT_STATE_OUT_PROCEEDING", \
"PORT_STATE_IN_ALERTING", \
"PORT_STATE_OUT_ALERTING", \
"PORT_STATE_CONNECT_WAITING", \
"PORT_STATE_CONNECT", \
"PORT_STATE_IN_DISCONNECT", \
"PORT_STATE_OUT_DISCONNECT", \
"PORT_STATE_RELEASE", \
};
enum { /* event list from listening to tty */
TTYI_EVENT_nodata, /* no data was received nor processed */
TTYI_EVENT_NONE, /* nothing happens */
TTYI_EVENT_CONNECT, /* a connection is made */
TTYI_EVENT_RING, /* incoming call */
TTYI_EVENT_CALLER, /* caller id information */
TTYI_EVENT_INFO, /* dialing information */
TTYI_EVENT_OVERLAP, /* setup complete, awaiting more dialing info */
TTYI_EVENT_PROC, /* proceeding */
TTYI_EVENT_ALRT, /* alerting */
TTYI_EVENT_CONN, /* connect */
TTYI_EVENT_DISC, /* disconnect */
TTYI_EVENT_RELE, /* release signal */
TTYI_EVENT_BUSY, /* channel unavailable */
};
#define RECORD_BUFFER_LENGTH 1024 // must be a binary border & must be greater 256, because 256 will be written if buffer overflows
#define RECORD_BUFFER_MASK 1023
#define PORT_TRANSMIT 256 // how much to transmit via bridge, if it is not defined by received data length
/* structure of epoint_list */
struct epoint_list {
struct epoint_list *next;
unsigned int epoint_id;
int active;
};
inline unsigned int ACTIVE_EPOINT(struct epoint_list *epointlist)
{
while(epointlist)
{
if (epointlist->active)
return(epointlist->epoint_id);
epointlist = epointlist->next;
}
return(0);
}
inline unsigned int INACTIVE_EPOINT(struct epoint_list *epointlist)
{
while(epointlist)
{
if (!epointlist->active)
return(epointlist->epoint_id);
epointlist = epointlist->next;
}
return(0);
}
/* structure of port settings */
struct port_settings {
char tones_dir[256]; /* directory of current tone */
int no_seconds;
};
#define BRIDGE_BUFFER 4096
struct port_bridge_member {
struct port_bridge_member *next;
class Port *port;
unsigned char buffer[BRIDGE_BUFFER];
int write_p; /* points to write position in buffer */
int min_space; /* minimum space to calculate how much delay can be removed */
};
/* port bridge instance */
struct port_bridge {
struct port_bridge *next; /* next bridge node */
unsigned int bridge_id; /* unique ID to identify bridge */
struct port_bridge_member *first; /* list of ports that are bridged */
signed long sum_buffer[BRIDGE_BUFFER];
int read_p; /* points to read position in buffer */
struct lcr_timer timer; /* clock to transmit sum data */
int sample_count; /* counter of samples since last delay check */
};
extern struct port_bridge *p_bridge_first;
enum dov_type {
DOV_TYPE_PWM,
DOV_TYPE_PCM,
};
/* generic port class */
class Port
{
public:
/* methods */
Port(int type, const char *portname, struct port_settings *settings, struct interface *interface);
virtual ~Port();
class Port *next; /* next port in list */
int p_type; /* type of port */
virtual int message_epoint(unsigned int epoint_id, int message, union parameter *param);
virtual void set_echotest(int echotest);
virtual void set_tone(const char *dir, const char *name);
virtual int read_audio(unsigned char *buffer, int length);
virtual void update_load(void);
virtual void set_display(const char *text);
struct port_settings p_settings;
char p_interface_name[64];
/* tone */
char p_tones_interface[256]; /* directory of tones of interface */
char p_tone_dir[256]; /* name of current directory */
char p_tone_name[256]; /* name of current tone */
char p_tone_fh; /* file descriptor of current tone or -1 if not open */
void *p_tone_fetched; /* pointer to fetched data */
int p_tone_codec; /* codec that the tone is made of */
signed int p_tone_size, p_tone_left; /* size of tone in bytes (not samples), bytes left */
signed int p_tone_eof; /* flag that makes the use of eof message */
signed int p_tone_counter; /* flag that makes the use of counter message */
signed int p_tone_speed; /* speed of current tone, 1=normal, may also be negative */
// char p_knock_fh; /* file descriptor of knocking tone or -1 if not open */
// void *p_knock_fetched; /* pointer to fetched data */
// int p_knock_codec;
// signed int p_knock_size, p_knock_left;
void set_vbox_tone(const char *dir, const char *name);/* tone of answering machine */
void set_vbox_play(const char *name, int offset); /* sample of answ. */
void set_vbox_speed(int speed); /* speed of answ. */
/* identification */
unsigned int p_serial; /* serial unique id of port */
char p_name[128]; /* name of port or token (h323) */
/* endpoint relation */
struct epoint_list *p_epointlist; /* endpoint relation */
/* audio bridging */
struct port_bridge *p_bridge; /* linked to a port bridge or NULL */
void bridge(unsigned int bridge_id); /* join a bridge */
int bridge_tx(unsigned char *data, int len); /* used to transmit data to remote port */
virtual int bridge_rx(unsigned char *data, int len); /* function to be inherited, so data is received */
/* state */
int p_state; /* state of port */
void new_state(int state); /* set new state */
struct caller_info p_callerinfo; /* information about the caller */
struct dialing_info p_dialinginfo; /* information about dialing */
struct connect_info p_connectinfo; /* information about connected line */
struct redir_info p_redirinfo; /* info on redirection (to the calling user) */
struct capa_info p_capainfo; /* info on l2,l3 capacity */
int p_echotest; /* set to echo audio data FROM port back to port's mixer */
/* recording/tapping */
int open_record(int type, int mode, int skip, char *terminal, int anon_ignore, const char *vbox_email, int vbox_email_file);
void close_record(int beep, int mute);
void record(unsigned char *data, int length, int dir_fromup);
void tap(unsigned char *data, int length, int dir_fromup);
FILE *p_record; /* recording fp: if not NULL, recording is enabled */
unsigned int p_tap; /* enpoint to send tapping audio to */
int p_record_type; /* codec to use: RECORD_MONO, RECORD_STEREO, ... */
int p_record_skip; /* skip bytes before writing the sample */
unsigned int p_record_length; /* size of what's written so far */
signed short p_record_buffer[RECORD_BUFFER_LENGTH];
unsigned int p_record_buffer_readp;
unsigned int p_record_buffer_writep;
int p_record_buffer_dir; /* current direction in buffer */
char p_record_filename[256]; /* record filename */
int p_record_vbox; /* 0= normal recording, 1= announcement, 2= record to vbox dir */
int p_record_vbox_year; /* time when vbox recording started */
int p_record_vbox_mon;
int p_record_vbox_mday;
int p_record_vbox_hour;
int p_record_vbox_min;
char p_record_extension[32]; /* current name (digits) of extension */
int p_record_anon_ignore;
char p_record_vbox_email[128];
int p_record_vbox_email_file;
virtual void update_rxoff(void); /* inherited by mISDNport, to control rxoff */
#ifdef WITH_VOOTP
vootp_t *p_vootp; /* VoOTP instance */
void set_vootp(struct param_vootp *vootp);
#endif
/* DOV */
int p_dov_tx, p_dov_rx;
int p_dov_tx_sync, p_dov_rx_sync;
enum dov_type p_dov_tx_type, p_dov_rx_type;
unsigned char *p_dov_tx_data, *p_dov_rx_data;
int p_dov_tx_data_length;
int p_dov_tx_data_pos, p_dov_rx_data_pos;
int p_dov_tx_bit_pos, p_dov_rx_bit_pos;
int p_dov_tx_pwm_pos, p_dov_rx_pwm_pos;
int p_dov_rx_pwm_duration, p_dov_rx_pwm_polarity;
int p_dov_tx_up;
int p_dov_rx_sync_word;
unsigned char p_dov_up;
unsigned char p_dov_down;
void dov_init(void);
void dov_exit(void);
void dov_reset_tx(void);
void dov_reset_rx(void);
struct lcr_timer p_dov_tx_timer;
struct lcr_timer p_dov_rx_timer;
void dov_sendmsg(unsigned char *data, int length, enum dov_type type, int level);
int dov_tx(unsigned char *data, int length);
int dov_tx_pcm(unsigned char *data, int length);
int dov_tx_pwm(unsigned char *data, int length);
void dov_listen(enum dov_type type);
void dov_rx(unsigned char *data, int length);
void dov_rx_pcm(unsigned char *data, int length);
void dov_rx_pwm(unsigned char *data, int length);
void dov_message(unsigned char *data, int length);
void free_epointlist(struct epoint_list *epointlist);
void free_epointid(unsigned int epoint_id);
struct epoint_list *epointlist_new(unsigned int epoint_id);
};
extern Port *port_first;
extern unsigned int port_serial;
class Port *find_port_with_token(char *name);
class Port *find_port_id(unsigned int port_id);
#endif // PORT_HEADER
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