added exporting/importing bchannel stacks to the remote application

[lcr.git] / message.h

diff --git a/message.h b/message.h
index d60c1b3..422ada1 100644 (file)
--- a/message.h
+++ b/message.h
@@ -125,6 +125,33 @@ enum { /* isdnsignal */
        mISDNSIGNAL_DELAY,              /* use delay or adaptive jitter */
 };
 
+enum { /* bchannel assignment */
+       BCHANNEL_REQUEST,               /* application requests bchannel */
+       BCHANNEL_ASSIGN,                /* bchannel assigned by LCR */
+       BCHANNEL_ASSIGN_ACK,            /* application acknowledges */
+       BCHANNEL_REMOVE,                /* bchannel removed by LCR */
+       BCHANNEL_REMOVE_ACK,            /* application acknowledges */
+};
+enum {
+       B_STATE_IDLE,           /* not open */
+       B_STATE_ACTIVATING,     /* DL_ESTABLISH sent */
+       B_STATE_ACTIVE,         /* channel active */
+       B_STATE_DEACTIVATING,   /* DL_RELEASE sent */
+       B_STATE_EXPORTING,      /* BCHANNEL_ASSIGN sent */
+       B_STATE_REMOTE,         /* bchannel assigned to remote application */
+       B_STATE_IMPORTING,      /* BCHANNEL_REMOVE sent */
+};
+enum {
+       B_EVENT_USE,            /* activate/export bchannel */
+       B_EVENT_EXPORTREQUEST,  /* remote app requests bchannel */
+       B_EVENT_ACTIVATED,      /* DL_ESTABLISH received */
+       B_EVENT_DROP,           /* deactivate/re-import bchannel */
+       B_EVENT_DEACTIVATED,    /* DL_RELEASE received */
+       B_EVENT_EXPORTED,       /* BCHANNEL_ASSIGN received */
+       B_EVENT_IMPORTED,       /* BCHANNEL_REMOVE received */
+};
+
+
 /* call-info structure CALLER */
 struct caller_info {
        char id[32];                    /* id of caller (user number) */
@@ -279,6 +306,7 @@ struct param_hello {
 };
 
 struct param_bchannel {
+       int type; /* BCHANNEL_* */
        unsigned long addr; /* bchannel stack address */
 };
 
@@ -359,8 +387,7 @@ enum { /* messages between entities */
        MESSAGE_VBOX_TONE,      /* set answering VBOX tone */
        MESSAGE_TONE_COUNTER,   /* tone counter (for VBOX tone use) */
        MESSAGE_TONE_EOF,       /* tone is end of file */
-       MESSAGE_BCHANNEL,       /* request/assign bchannel */
-       MESSAGE_BCHANNEL_FREE,  /* requests/assigns bchannel to be free */
+       MESSAGE_BCHANNEL,       /* request/assign/remove bchannel */
        MESSAGE_HELLO,          /* hello message for remote application */
        MESSAGE_NEWREF,         /* special message to create and inform ref */
 };