Added bridgin support for GSM and SIP

[lcr.git] / port.h

diff --git a/port.h b/port.h
index a4da7de..d09ba0c 100644 (file)
--- a/port.h
+++ b/port.h
@@ -18,15 +18,16 @@
 #define PORT_CLASS_DSS1                0x1100
 #define PORT_CLASS_DSS1_NT     0x1110
 #define PORT_CLASS_DSS1_TE     0x1120
-#define PORT_CLASS_GSM         0x1200
-#define PORT_CLASS_GSM_BS      0x1210
-#define PORT_CLASS_GSM_MS      0x1220
 #define PORT_CLASS_SS5         0x1300
 #define PORT_CLASS_REMOTE      0x1400
+#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_MASK                0xf000
 #define PORT_CLASS_mISDN_MASK  0xff00
 #define PORT_CLASS_DSS1_MASK   0xfff0
-#define PORT_CLASS_GSM_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
@@ -37,10 +38,10 @@
 #define        PORT_TYPE_DSS1_TE_IN    0x1121
 #define        PORT_TYPE_DSS1_TE_OUT   0x1122
        /* gsm */
-#define        PORT_TYPE_GSM_BS_IN     0x1211
-#define        PORT_TYPE_GSM_BS_OUT    0x1212
-#define        PORT_TYPE_GSM_MS_IN     0x1221
-#define        PORT_TYPE_GSM_MS_OUT    0x1222
+#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
@@ -48,8 +49,11 @@
        /* remote */
 #define        PORT_TYPE_REMOTE_IN     0x1411
 #define        PORT_TYPE_REMOTE_OUT    0x1412
+       /* SIP */
+#define        PORT_TYPE_SIP_IN        0x2001
+#define        PORT_TYPE_SIP_OUT       0x2002
        /* answering machine */
-#define        PORT_TYPE_VBOX_OUT      0x3111
+#define        PORT_TYPE_VBOX_OUT      0xf111
 
 
 enum { /* states of call */
@@ -107,6 +111,8 @@ enum { /* event list from listening to tty */
 #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;
@@ -143,6 +149,16 @@ struct port_settings {
        int no_seconds;
 };
 
+/* port bridge instance */
+struct port_bridge {
+       struct port_bridge *next;               /* next bridge node */
+       unsigned int bridge_id;                 /* unique ID to identify bridge */
+       class Port *sunrise;                    /* one side of the bridge */
+       class Port *sunset;                     /* other side of the bridge */
+};
+
+extern struct port_bridge *p_bridge_first;
+
 /* generic port class */
 class Port
 {
@@ -185,6 +201,12 @@ class Port
        /* 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 */