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_MASK   0xfff0
  21         /* nt-mode */
  22 #define PORT_TYPE_DSS1_NT_IN    0x0111
  23 #define PORT_TYPE_DSS1_NT_OUT   0x0112
  24         /* te-mode */
  25 #define PORT_TYPE_DSS1_TE_IN    0x0113
  26 #define PORT_TYPE_DSS1_TE_OUT   0x0114
  27         /* sip */
  28 #define PORT_TYPE_SIP_IN        0x0121
  29 #define PORT_TYPE_SIP_OUT       0x0122
  30         /* h323 */
  31 #define PORT_TYPE_H323_IN       0x0211
  32 #define PORT_TYPE_H323_OUT      0x0212
  33         /* answering machine */
  34 #define PORT_TYPE_VBOX_OUT      0x0311
  35
  36
  37 enum { /* states of call */
  38         PORT_STATE_IDLE,        /* no call */
  39         PORT_STATE_IN_SETUP,    /* incoming connection */
  40         PORT_STATE_OUT_SETUP,   /* outgoing connection */
  41         PORT_STATE_IN_OVERLAP,  /* more informatiopn needed */
  42         PORT_STATE_OUT_OVERLAP, /* more informatiopn needed */
  43         PORT_STATE_IN_PROCEEDING,/* call is proceeding */
  44         PORT_STATE_OUT_PROCEEDING,/* call is proceeding */
  45         PORT_STATE_IN_ALERTING, /* call is ringing */
  46         PORT_STATE_OUT_ALERTING,/* call is ringing */
  47         PORT_STATE_CONNECT_WAITING,/* connect is sent to the network, waiting for acknowledge */
  48         PORT_STATE_CONNECT,     /* call is connected and transmission is enabled */
  49         PORT_STATE_IN_DISCONNECT,/* incoming disconnected */
  50         PORT_STATE_OUT_DISCONNECT,/* outgoing disconnected */
  51         PORT_STATE_RELEASE,     /* call released */
  52 };
  53
  54 #define PORT_STATE_NAMES \
  55 static char *state_name[] = { \
  56         "PORT_STATE_IDLE", \
  57         "PORT_STATE_IN_SETUP", \
  58         "PORT_STATE_OUT_SETUP", \
  59         "PORT_STATE_IN_OVERLAP", \
  60         "PORT_STATE_OUT_OVERLAP", \
  61         "PORT_STATE_IN_PROCEEDING", \
  62         "PORT_STATE_OUT_PROCEEDING", \
  63         "PORT_STATE_IN_ALERTING", \
  64         "PORT_STATE_OUT_ALERTING", \
  65         "PORT_STATE_CONNECT_WAITING", \
  66         "PORT_STATE_CONNECT", \
  67         "PORT_STATE_IN_DISCONNECT", \
  68         "PORT_STATE_OUT_DISCONNECT", \
  69         "PORT_STATE_RELEASE", \
  70 };
  71
  72
  73 enum { /* event list from listening to tty */
  74         TTYI_EVENT_nodata,      /* no data was received nor processed */
  75         TTYI_EVENT_NONE,        /* nothing happens */
  76         TTYI_EVENT_CONNECT,     /* a connection is made */
  77         TTYI_EVENT_RING,        /* incoming call */
  78         TTYI_EVENT_CALLER,      /* caller id information */
  79         TTYI_EVENT_INFO,        /* dialing information */
  80         TTYI_EVENT_OVERLAP,     /* setup complete, awaiting more dialing info */
  81         TTYI_EVENT_PROC,        /* proceeding */
  82         TTYI_EVENT_ALRT,        /* alerting */
  83         TTYI_EVENT_CONN,        /* connect */
  84         TTYI_EVENT_DISC,        /* disconnect */
  85         TTYI_EVENT_RELE,        /* release signal */
  86         TTYI_EVENT_BUSY,        /* channel unavailable */
  87 };
  88
  89 /* structure of epoint_list */
  90 struct epoint_list {
  91         struct epoint_list      *next;
  92         unsigned long           epoint_id;
  93         int                     active;
  94 };
  95
  96 inline unsigned long ACTIVE_EPOINT(struct epoint_list *epointlist)
  97 {
  98         while(epointlist)
  99         {
 100                 if (epointlist->active)
 101                         return(epointlist->epoint_id);
 102                 epointlist = epointlist->next;
 103         }
 104         return(0);
 105 }
 106
 107 inline unsigned long INACTIVE_EPOINT(struct epoint_list *epointlist)
 108 {
 109         while(epointlist)
 110         {
 111                 if (!epointlist->active)
 112                         return(epointlist->epoint_id);
 113                 epointlist = epointlist->next;
 114         }
 115         return(0);
 116 }
 117
 118
 119 /* a linked list of soft-mixer relations */
 120 struct mixer_relation {
 121         struct mixer_relation *next;            /* next in list */
 122         unsigned long port_id;                  /* port related to */
 123         int mixer_writep;                       /* write pointer in buffer */
 124         };
 125
 126 /* structure of port settings */
 127 struct port_settings {
 128         char tones_dir[256];                    /* directory of current tone */
 129         int tout_setup;
 130         int tout_dialing;
 131         int tout_proceeding;
 132         int tout_alerting;
 133         int tout_disconnect;
 134 //      int tout_hold;
 135 //      int tout_park;
 136         int no_seconds;                         /* don't send seconds with time information element */
 137 };
 138
 139 /* generic port class */
 140 class Port
 141 {
 142         public:
 143         /* methods */
 144         Port(int type, 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 handler(void);
 149         virtual int message_epoint(unsigned long epoint_id, int message, union parameter *param);
 150         virtual void set_echotest(int echotest);
 151         virtual void set_tone(char *dir, char *name);
 152         virtual int read_audio(unsigned char *buffer, int length, int compressed);
 153
 154         struct port_settings p_settings;
 155
 156         /* tone */
 157         int p_debug_nothingtosend;              /* used for debugging the, if we have currently nothing to send (used for ISDN) */
 158         char p_tone_dir[256];                   /* name of current directory */
 159         char p_tone_name[256];                  /* name of current tone */
 160         char p_tone_fh;                         /* file descriptor of current tone or -1 if not open */
 161         void *p_tone_fetched;                   /* pointer to fetched data */
 162         int p_tone_codec;                       /* codec that the tone is made of */
 163         long p_tone_size, p_tone_left;          /* size of tone in bytes (not samples), bytes left */
 164         long p_tone_eof;                        /* flag that makes the use of eof message */
 165         long p_tone_counter;                    /* flag that makes the use of counter message */
 166         long p_tone_speed;                      /* speed of current tone, 1=normal, may also be negative */
 167 //      char p_knock_fh;                        /* file descriptor of knocking tone or -1 if not open */
 168 //      void *p_knock_fetched;                  /* pointer to fetched data */
 169 //      int p_knock_codec;
 170 //      long p_knock_size, p_knock_left;
 171         void set_vbox_tone(char *dir, char *name);/* tone of answering machine */
 172         void set_vbox_play(char *name, int offset); /* sample of answ. */
 173         void set_vbox_speed(int speed); /* speed of answ. */
 174
 175         /* user space mixer buffer */
 176         signed long p_mixer_buffer[PORT_BUFFER];        /* mixer buffer */
 177         signed long p_record_buffer[PORT_BUFFER];       /* record buffer */
 178         signed long p_stereo_buffer[PORT_BUFFER];       /* record buffer for stereo (user only) */
 179         struct mixer_relation *p_mixer_rel;     /* list of mixer relations */
 180         int p_mixer_readp;                      /* read pointer in buffer */
 181
 182         /* methods */
 183         void mixer(union parameter *param);
 184
 185         /* identification */
 186         unsigned long p_serial;                 /* serial unique id of port */
 187         char p_name[128];                       /* name of port or token (h323) */
 188
 189         /* endpoint relation */
 190         struct epoint_list *p_epointlist;       /* endpoint relation */
 191
 192         /* state */
 193         int p_state;                            /* state of port */
 194         void new_state(int state);              /* set new state */
 195         struct caller_info p_callerinfo;        /* information about the caller */
 196         struct dialing_info p_dialinginfo;      /* information about dialing */
 197         struct connect_info p_connectinfo;      /* information about connected line */
 198         struct redir_info p_redirinfo;          /* info on redirection (to the calling user) */
 199         struct capa_info p_capainfo;    /* info on l2,l3 capacity */
 200         int p_echotest;                         /* set to echo audio data FROM port back to port's mixer */
 201
 202         /* recording */
 203         int open_record(int type, int mode, int skip, char *terminal, int anon_ignore, char *vbox_email, int vbox_email_file);
 204         void close_record(int beep);
 205         FILE *p_record;                         /* recording fp: if not NULL, recording is enabled */
 206         int p_record_type;                      /* codec to use: RECORD_MONO, RECORD_STEREO, ... */
 207         int p_record_skip;                      /* skip bytes before writing the sample */
 208         unsigned long p_record_length;          /* size of what's written so far */
 209         char p_record_filename[256];            /* record filename */
 210         int p_record_vbox;                      /* 0= normal recording, 1= announcement, 2= record to vbox dir */
 211         int p_record_vbox_year;                 /* time when vbox recording started */
 212         int p_record_vbox_mon;
 213         int p_record_vbox_mday;
 214         int p_record_vbox_hour;
 215         int p_record_vbox_min;
 216         char p_record_extension[32];            /* current name (digits) of extension */
 217         int p_record_anon_ignore;
 218         char p_record_vbox_email[128];
 219         int p_record_vbox_email_file;
 220
 221         virtual void printisdn(char *fmt, ...);
 222
 223         void free_epointlist(struct epoint_list *epointlist);
 224         void free_epointid(unsigned long epoint_id);
 225         struct epoint_list *epointlist_new(unsigned long epoint_id);
 226 };
 227
 228
 229 extern Port *port_first;
 230 extern unsigned long port_serial;
 231
 232 class Port *find_port_with_token(char *name);
 233 class Port *find_port_id(unsigned long port_id);
 234
 235
 236 #endif // PORT_HEADER
 237
 238