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        0x0100
  18 #define PORT_CLASS_MASK         0xff00
  19 #define PORT_CLASS_mISDN_DSS1   0x0110
  20 #define PORT_CLASS_mISDN_GSM    0x0120
  21 #define PORT_CLASS_mISDN_SS5    0x0130
  22 #define PORT_CLASS_mISDN_MASK   0xfff0
  23         /* nt-mode */
  24 #define PORT_TYPE_DSS1_NT_IN    0x0111
  25 #define PORT_TYPE_DSS1_NT_OUT   0x0112
  26         /* te-mode */
  27 #define PORT_TYPE_DSS1_TE_IN    0x0113
  28 #define PORT_TYPE_DSS1_TE_OUT   0x0114
  29         /* gsm */
  30 #define PORT_TYPE_GSM_IN        0x0121
  31 #define PORT_TYPE_GSM_OUT       0x0122
  32         /* ss5 */
  33 #define PORT_TYPE_SS5_IN        0x0131
  34 #define PORT_TYPE_SS5_OUT       0x0132
  35 #define PORT_TYPE_SS5_IDLE      0x0133
  36         /* answering machine */
  37 #define PORT_TYPE_VBOX_OUT      0x0311
  38
  39
  40 enum { /* states of call */
  41         PORT_STATE_IDLE,        /* no call */
  42         PORT_STATE_IN_SETUP,    /* incoming connection */
  43         PORT_STATE_OUT_SETUP,   /* outgoing connection */
  44         PORT_STATE_IN_OVERLAP,  /* more informatiopn needed */
  45         PORT_STATE_OUT_OVERLAP, /* more informatiopn needed */
  46         PORT_STATE_IN_PROCEEDING,/* call is proceeding */
  47         PORT_STATE_OUT_PROCEEDING,/* call is proceeding */
  48         PORT_STATE_IN_ALERTING, /* call is ringing */
  49         PORT_STATE_OUT_ALERTING,/* call is ringing */
  50         PORT_STATE_CONNECT_WAITING,/* connect is sent to the network, waiting for acknowledge */
  51         PORT_STATE_CONNECT,     /* call is connected and transmission is enabled */
  52         PORT_STATE_IN_DISCONNECT,/* incoming disconnected */
  53         PORT_STATE_OUT_DISCONNECT,/* outgoing disconnected */
  54         PORT_STATE_RELEASE,     /* call released */
  55 };
  56
  57 #define PORT_STATE_NAMES \
  58 static const char *state_name[] = { \
  59         "PORT_STATE_IDLE", \
  60         "PORT_STATE_IN_SETUP", \
  61         "PORT_STATE_OUT_SETUP", \
  62         "PORT_STATE_IN_OVERLAP", \
  63         "PORT_STATE_OUT_OVERLAP", \
  64         "PORT_STATE_IN_PROCEEDING", \
  65         "PORT_STATE_OUT_PROCEEDING", \
  66         "PORT_STATE_IN_ALERTING", \
  67         "PORT_STATE_OUT_ALERTING", \
  68         "PORT_STATE_CONNECT_WAITING", \
  69         "PORT_STATE_CONNECT", \
  70         "PORT_STATE_IN_DISCONNECT", \
  71         "PORT_STATE_OUT_DISCONNECT", \
  72         "PORT_STATE_RELEASE", \
  73 };
  74
  75
  76 enum { /* event list from listening to tty */
  77         TTYI_EVENT_nodata,      /* no data was received nor processed */
  78         TTYI_EVENT_NONE,        /* nothing happens */
  79         TTYI_EVENT_CONNECT,     /* a connection is made */
  80         TTYI_EVENT_RING,        /* incoming call */
  81         TTYI_EVENT_CALLER,      /* caller id information */
  82         TTYI_EVENT_INFO,        /* dialing information */
  83         TTYI_EVENT_OVERLAP,     /* setup complete, awaiting more dialing info */
  84         TTYI_EVENT_PROC,        /* proceeding */
  85         TTYI_EVENT_ALRT,        /* alerting */
  86         TTYI_EVENT_CONN,        /* connect */
  87         TTYI_EVENT_DISC,        /* disconnect */
  88         TTYI_EVENT_RELE,        /* release signal */
  89         TTYI_EVENT_BUSY,        /* channel unavailable */
  90 };
  91
  92 #define RECORD_BUFFER_LENGTH    1024 // must be a binary border & must be greater 256, because 256 will be written if buffer overflows
  93 #define RECORD_BUFFER_MASK      1023
  94
  95 /* structure of epoint_list */
  96 struct epoint_list {
  97         struct epoint_list      *next;
  98         unsigned int            epoint_id;
  99         int                     active;
 100 };
 101
 102 inline unsigned int ACTIVE_EPOINT(struct epoint_list *epointlist)
 103 {
 104         while(epointlist)
 105         {
 106                 if (epointlist->active)
 107                         return(epointlist->epoint_id);
 108                 epointlist = epointlist->next;
 109         }
 110         return(0);
 111 }
 112
 113 inline unsigned int INACTIVE_EPOINT(struct epoint_list *epointlist)
 114 {
 115         while(epointlist)
 116         {
 117                 if (!epointlist->active)
 118                         return(epointlist->epoint_id);
 119                 epointlist = epointlist->next;
 120         }
 121         return(0);
 122 }
 123
 124
 125 /* structure of port settings */
 126 struct port_settings {
 127         char tones_dir[256];                    /* directory of current tone */
 128         int no_seconds;
 129 };
 130
 131 /* generic port class */
 132 class Port
 133 {
 134         public:
 135         /* methods */
 136         Port(int type, const char *portname, struct port_settings *settings);
 137         virtual ~Port();
 138         class Port *next;                       /* next port in list */
 139         int p_type;                             /* type of port */
 140         virtual int handler(void);
 141         virtual int message_epoint(unsigned int epoint_id, int message, union parameter *param);
 142         virtual void set_echotest(int echotest);
 143         virtual void set_tone(const char *dir, const char *name);
 144         virtual int read_audio(unsigned char *buffer, int length);
 145
 146         struct port_settings p_settings;
 147
 148         /* tone */
 149         char p_tone_dir[256];                   /* name of current directory */
 150         char p_tone_name[256];                  /* name of current tone */
 151         char p_tone_fh;                         /* file descriptor of current tone or -1 if not open */
 152         void *p_tone_fetched;                   /* pointer to fetched data */
 153         int p_tone_codec;                       /* codec that the tone is made of */
 154         signed int p_tone_size, p_tone_left;    /* size of tone in bytes (not samples), bytes left */
 155         signed int p_tone_eof;                  /* flag that makes the use of eof message */
 156         signed int p_tone_counter;              /* flag that makes the use of counter message */
 157         signed int p_tone_speed;                /* speed of current tone, 1=normal, may also be negative */
 158 //      char p_knock_fh;                        /* file descriptor of knocking tone or -1 if not open */
 159 //      void *p_knock_fetched;                  /* pointer to fetched data */
 160 //      int p_knock_codec;
 161 //      signed int p_knock_size, p_knock_left;
 162         void set_vbox_tone(const char *dir, const char *name);/* tone of answering machine */
 163         void set_vbox_play(const char *name, int offset); /* sample of answ. */
 164         void set_vbox_speed(int speed); /* speed of answ. */
 165
 166         /* identification */
 167         unsigned int p_serial;                  /* serial unique id of port */
 168         char p_name[128];                       /* name of port or token (h323) */
 169
 170         /* endpoint relation */
 171         struct epoint_list *p_epointlist;       /* endpoint relation */
 172
 173         /* state */
 174         int p_state;                            /* state of port */
 175         void new_state(int state);              /* set new state */
 176         struct caller_info p_callerinfo;        /* information about the caller */
 177         struct dialing_info p_dialinginfo;      /* information about dialing */
 178         struct connect_info p_connectinfo;      /* information about connected line */
 179         struct redir_info p_redirinfo;          /* info on redirection (to the calling user) */
 180         struct capa_info p_capainfo;    /* info on l2,l3 capacity */
 181         int p_echotest;                         /* set to echo audio data FROM port back to port's mixer */
 182
 183         /* recording */
 184         int open_record(int type, int mode, int skip, char *terminal, int anon_ignore, const char *vbox_email, int vbox_email_file);
 185         void close_record(int beep, int mute);
 186         void record(unsigned char *data, int length, int dir_fromup);
 187         FILE *p_record;                         /* recording fp: if not NULL, recording is enabled */
 188         int p_record_type;                      /* codec to use: RECORD_MONO, RECORD_STEREO, ... */
 189         int p_record_skip;                      /* skip bytes before writing the sample */
 190         unsigned int p_record_length;           /* size of what's written so far */
 191
 192         signed short p_record_buffer[RECORD_BUFFER_LENGTH];
 193         unsigned int p_record_buffer_readp;
 194         unsigned int p_record_buffer_writep;
 195         int p_record_buffer_dir;                /* current direction in buffer */
 196
 197         char p_record_filename[256];            /* record filename */
 198         int p_record_vbox;                      /* 0= normal recording, 1= announcement, 2= record to vbox dir */
 199         int p_record_vbox_year;                 /* time when vbox recording started */
 200         int p_record_vbox_mon;
 201         int p_record_vbox_mday;
 202         int p_record_vbox_hour;
 203         int p_record_vbox_min;
 204         char p_record_extension[32];            /* current name (digits) of extension */
 205         int p_record_anon_ignore;
 206         char p_record_vbox_email[128];
 207         int p_record_vbox_email_file;
 208
 209         void free_epointlist(struct epoint_list *epointlist);
 210         void free_epointid(unsigned int epoint_id);
 211         struct epoint_list *epointlist_new(unsigned int epoint_id);
 212 };
 213
 214
 215 extern Port *port_first;
 216 extern unsigned int port_serial;
 217
 218 class Port *find_port_with_token(char *name);
 219 class Port *find_port_id(unsigned int port_id);
 220
 221
 222 #endif // PORT_HEADER
 223
 224