port.h

   1 /*****************************************************************************\
   2 **                                                                           **
   3 ** PBX4Linux                                                                 **
   4 **                                                                           **
   5 **---------------------------------------------------------------------------**
   6 ** Copyright: Andreas Eversberg                                              **
   7 **                                                                           **
   8 ** port header file                                                          **
   9 **                                                                           **
  10 \*****************************************************************************/
  11
  12 #ifndef PORT_HEADER
  13 #define PORT_HEADER
  14
  15 /* type of port */
  16 #define PORT_TYPE_NULL          0x0000
  17 #define PORT_CLASS_mISDN        0x1000
  18 #define PORT_CLASS_DSS1         0x1100
  19 #define PORT_CLASS_DSS1_NT      0x1110
  20 #define PORT_CLASS_DSS1_TE      0x1120
  21 #define PORT_CLASS_GSM          0x1200
  22 #define PORT_CLASS_GSM_BS       0x1210
  23 #define PORT_CLASS_GSM_MS       0x1220
  24 #define PORT_CLASS_SS5          0x1300
  25 #define PORT_CLASS_MASK         0xf000
  26 #define PORT_CLASS_mISDN_MASK   0xff00
  27 #define PORT_CLASS_DSS1_MASK    0xfff0
  28 #define PORT_CLASS_GSM_MASK     0xfff0
  29         /* nt-mode */
  30 #define PORT_TYPE_DSS1_NT_IN    0x1111
  31 #define PORT_TYPE_DSS1_NT_OUT   0x1112
  32         /* te-mode */
  33 #define PORT_TYPE_DSS1_TE_IN    0x1121
  34 #define PORT_TYPE_DSS1_TE_OUT   0x1122
  35         /* gsm */
  36 #define PORT_TYPE_GSM_BS_IN     0x1211
  37 #define PORT_TYPE_GSM_BS_OUT    0x1212
  38 #define PORT_TYPE_GSM_MS_IN     0x1221
  39 #define PORT_TYPE_GSM_MS_OUT    0x1222
  40         /* ss5 */
  41 #define PORT_TYPE_SS5_IN        0x1311
  42 #define PORT_TYPE_SS5_OUT       0x1312
  43 #define PORT_TYPE_SS5_IDLE      0x1313
  44         /* answering machine */
  45 #define PORT_TYPE_VBOX_OUT      0x3111
  46
  47
  48 enum { /* states of call */
  49         PORT_STATE_IDLE,        /* no call */
  50         PORT_STATE_IN_SETUP,    /* incoming connection */
  51         PORT_STATE_OUT_SETUP,   /* outgoing connection */
  52         PORT_STATE_IN_OVERLAP,  /* more informatiopn needed */
  53         PORT_STATE_OUT_OVERLAP, /* more informatiopn needed */
  54         PORT_STATE_IN_PROCEEDING,/* call is proceeding */
  55         PORT_STATE_OUT_PROCEEDING,/* call is proceeding */
  56         PORT_STATE_IN_ALERTING, /* call is ringing */
  57         PORT_STATE_OUT_ALERTING,/* call is ringing */
  58         PORT_STATE_CONNECT_WAITING,/* connect is sent to the network, waiting for acknowledge */
  59         PORT_STATE_CONNECT,     /* call is connected and transmission is enabled */
  60         PORT_STATE_IN_DISCONNECT,/* incoming disconnected */
  61         PORT_STATE_OUT_DISCONNECT,/* outgoing disconnected */
  62         PORT_STATE_RELEASE,     /* call released */
  63 };
  64
  65 #define PORT_STATE_NAMES \
  66 static const char *state_name[] = { \
  67         "PORT_STATE_IDLE", \
  68         "PORT_STATE_IN_SETUP", \
  69         "PORT_STATE_OUT_SETUP", \
  70         "PORT_STATE_IN_OVERLAP", \
  71         "PORT_STATE_OUT_OVERLAP", \
  72         "PORT_STATE_IN_PROCEEDING", \
  73         "PORT_STATE_OUT_PROCEEDING", \
  74         "PORT_STATE_IN_ALERTING", \
  75         "PORT_STATE_OUT_ALERTING", \
  76         "PORT_STATE_CONNECT_WAITING", \
  77         "PORT_STATE_CONNECT", \
  78         "PORT_STATE_IN_DISCONNECT", \
  79         "PORT_STATE_OUT_DISCONNECT", \
  80         "PORT_STATE_RELEASE", \
  81 };
  82
  83
  84 enum { /* event list from listening to tty */
  85         TTYI_EVENT_nodata,      /* no data was received nor processed */
  86         TTYI_EVENT_NONE,        /* nothing happens */
  87         TTYI_EVENT_CONNECT,     /* a connection is made */
  88         TTYI_EVENT_RING,        /* incoming call */
  89         TTYI_EVENT_CALLER,      /* caller id information */
  90         TTYI_EVENT_INFO,        /* dialing information */
  91         TTYI_EVENT_OVERLAP,     /* setup complete, awaiting more dialing info */
  92         TTYI_EVENT_PROC,        /* proceeding */
  93         TTYI_EVENT_ALRT,        /* alerting */
  94         TTYI_EVENT_CONN,        /* connect */
  95         TTYI_EVENT_DISC,        /* disconnect */
  96         TTYI_EVENT_RELE,        /* release signal */
  97         TTYI_EVENT_BUSY,        /* channel unavailable */
  98 };
  99
 100 #define RECORD_BUFFER_LENGTH    1024 // must be a binary border & must be greater 256, because 256 will be written if buffer overflows
 101 #define RECORD_BUFFER_MASK      1023
 102
 103 /* structure of epoint_list */
 104 struct epoint_list {
 105         struct epoint_list      *next;
 106         unsigned int            epoint_id;
 107         int                     active;
 108 };
 109
 110 inline unsigned int ACTIVE_EPOINT(struct epoint_list *epointlist)
 111 {
 112         while(epointlist)
 113         {
 114                 if (epointlist->active)
 115                         return(epointlist->epoint_id);
 116                 epointlist = epointlist->next;
 117         }
 118         return(0);
 119 }
 120
 121 inline unsigned int INACTIVE_EPOINT(struct epoint_list *epointlist)
 122 {
 123         while(epointlist)
 124         {
 125                 if (!epointlist->active)
 126                         return(epointlist->epoint_id);
 127                 epointlist = epointlist->next;
 128         }
 129         return(0);
 130 }
 131
 132
 133 /* structure of port settings */
 134 struct port_settings {
 135         char tones_dir[256];                    /* directory of current tone */
 136         int no_seconds;
 137 };
 138
 139 /* generic port class */
 140 class Port
 141 {
 142         public:
 143         /* methods */
 144         Port(int type, const char *portname, struct port_settings *settings);
 145         virtual ~Port();
 146         class Port *next;                       /* next port in list */
 147         int p_type;                             /* type of port */
 148         virtual int message_epoint(unsigned int epoint_id, int message, union parameter *param);
 149         virtual void set_echotest(int echotest);
 150         virtual void set_tone(const char *dir, const char *name);
 151         virtual int read_audio(unsigned char *buffer, int length);
 152         virtual void update_load(void);
 153
 154         struct port_settings p_settings;
 155
 156         /* tone */
 157         char p_tone_dir[256];                   /* name of current directory */
 158         char p_tone_name[256];                  /* name of current tone */
 159         char p_tone_fh;                         /* file descriptor of current tone or -1 if not open */
 160         void *p_tone_fetched;                   /* pointer to fetched data */
 161         int p_tone_codec;                       /* codec that the tone is made of */
 162         signed int p_tone_size, p_tone_left;    /* size of tone in bytes (not samples), bytes left */
 163         signed int p_tone_eof;                  /* flag that makes the use of eof message */
 164         signed int p_tone_counter;              /* flag that makes the use of counter message */
 165         signed int p_tone_speed;                /* speed of current tone, 1=normal, may also be negative */
 166 //      char p_knock_fh;                        /* file descriptor of knocking tone or -1 if not open */
 167 //      void *p_knock_fetched;                  /* pointer to fetched data */
 168 //      int p_knock_codec;
 169 //      signed int p_knock_size, p_knock_left;
 170         void set_vbox_tone(const char *dir, const char *name);/* tone of answering machine */
 171         void set_vbox_play(const char *name, int offset); /* sample of answ. */
 172         void set_vbox_speed(int speed); /* speed of answ. */
 173
 174         /* identification */
 175         unsigned int p_serial;                  /* serial unique id of port */
 176         char p_name[128];                       /* name of port or token (h323) */
 177
 178         /* endpoint relation */
 179         struct epoint_list *p_epointlist;       /* endpoint relation */
 180
 181         /* state */
 182         int p_state;                            /* state of port */
 183         void new_state(int state);              /* set new state */
 184         struct caller_info p_callerinfo;        /* information about the caller */
 185         struct dialing_info p_dialinginfo;      /* information about dialing */
 186         struct connect_info p_connectinfo;      /* information about connected line */
 187         struct redir_info p_redirinfo;          /* info on redirection (to the calling user) */
 188         struct capa_info p_capainfo;    /* info on l2,l3 capacity */
 189         int p_echotest;                         /* set to echo audio data FROM port back to port's mixer */
 190
 191         /* recording */
 192         int open_record(int type, int mode, int skip, char *terminal, int anon_ignore, const char *vbox_email, int vbox_email_file);
 193         void close_record(int beep, int mute);
 194         void record(unsigned char *data, int length, int dir_fromup);
 195         FILE *p_record;                         /* recording fp: if not NULL, recording is enabled */
 196         int p_record_type;                      /* codec to use: RECORD_MONO, RECORD_STEREO, ... */
 197         int p_record_skip;                      /* skip bytes before writing the sample */
 198         unsigned int p_record_length;           /* size of what's written so far */
 199
 200         signed short p_record_buffer[RECORD_BUFFER_LENGTH];
 201         unsigned int p_record_buffer_readp;
 202         unsigned int p_record_buffer_writep;
 203         int p_record_buffer_dir;                /* current direction in buffer */
 204
 205         char p_record_filename[256];            /* record filename */
 206         int p_record_vbox;                      /* 0= normal recording, 1= announcement, 2= record to vbox dir */
 207         int p_record_vbox_year;                 /* time when vbox recording started */
 208         int p_record_vbox_mon;
 209         int p_record_vbox_mday;
 210         int p_record_vbox_hour;
 211         int p_record_vbox_min;
 212         char p_record_extension[32];            /* current name (digits) of extension */
 213         int p_record_anon_ignore;
 214         char p_record_vbox_email[128];
 215         int p_record_vbox_email_file;
 216         virtual void update_rxoff(void);        /* inherited by mISDNport, to control rxoff */
 217
 218         void free_epointlist(struct epoint_list *epointlist);
 219         void free_epointid(unsigned int epoint_id);
 220         struct epoint_list *epointlist_new(unsigned int epoint_id);
 221 };
 222
 223
 224 extern Port *port_first;
 225 extern unsigned int port_serial;
 226
 227 class Port *find_port_with_token(char *name);
 228 class Port *find_port_id(unsigned int port_id);
 229
 230
 231 #endif // PORT_HEADER
 232
 233