work...

[lcr.git] / message.h

diff --git a/message.h b/message.h
index ae1e8fd..77e68bb 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) */
@@ -278,6 +305,11 @@ struct param_hello {
        char application[32]; /* name of remote application */
 };
 
+struct param_bchannel {
+       int type; /* BCHANNEL_* */
+       unsigned long addr; /* bchannel stack address */
+};
+
 /* structure of message parameter */
 union parameter {
        struct param_tone tone; /* MESSAGE_TONE */
@@ -300,6 +332,8 @@ union parameter {
        struct extension ext; /* tell port about extension information */
        struct param_crypt crypt; /* MESSAGE_CRYPT */
        struct param_hello hello; /* MESSAGE_HELLO */
+       struct param_bchannel bchannel; /* MESSAGE_BCHANNEL */
+       int direction; /* MESSAGE_NEWREF */
 };
 
 enum { /* message flow */
@@ -354,7 +388,7 @@ 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,       /* request/assign/remove bchannel */
        MESSAGE_HELLO,          /* hello message for remote application */
        MESSAGE_NEWREF,         /* special message to create and inform ref */
 };
@@ -396,7 +430,7 @@ enum { /* messages between entities */
 
 struct message *message_create(int id_from, int id_to, int flow, int type);
 void message_put(struct message *message);
-void message_forward(int id_from, int id_to, int flow, union parameter *param);
+struct message *message_forward(int id_from, int id_to, int flow, union parameter *param);
 struct message *message_get(void);
 void message_free(struct message *message);