patch smsc_smpp.c unbind notification

Index: gw/smpp_pdu.def
===================================================================
RCS file: /home/cvs/gateway/gw/smpp_pdu.def,v
retrieving revision 1.4
diff -b -u -r1.4 smpp_pdu.def
--- gw/smpp_pdu.def	Wed Apr 24 08:09:34 2002 -0000      1.4
+++ gw/smpp_pdu.def	Tue Jun 25 11:40:29 2002 -0000
@@ -179,6 +179,10 @@
     HEADER
 )

+PDU(generic_nack_resp,
+    0x80000000,
+    HEADER
+)

 #undef PDU
 #undef INTEGER
Index: gw/smsc_smpp.c
===================================================================
RCS file: /home/cvs/gateway/gw/smsc_smpp.c,v
retrieving revision 1.71
diff -b -u -r1.71 smsc_smpp.c
--- gw/smsc_smpp.c	Fri Jun 21 22:17:13 2002 -0000      1.71
+++ gw/smsc_smpp.c	Tue Jun 25 11:25:35 2002 -0000
@@ -384,6 +384,20 @@
 } 
  
  
+static void send_unbind(SMPP *smpp, Connection *conn)
+{
+    SMPP_PDU *pdu;
+    Octstr *os;
+    pdu = smpp_pdu_create(unbind,
+		    counter_increase(smpp->message_id_counter));
+    dump_pdu("Sending unbind:", smpp->conn->id, pdu);
+    os = smpp_pdu_pack(pdu);
+    conn_write(conn, os);
+    octstr_destroy(os);
+    smpp_pdu_destroy(pdu);
+}
+
+
 static int send_pdu(Connection *conn, Octstr *id, SMPP_PDU *pdu) 
 { 
     Octstr *os; 
@@ -787,6 +801,20 @@
             } 
             break; 
  
+	case generic_nack_resp:
+	    {
+		    error(0, "SMPP: NACK PDU type 0x%08lx, "
+				    "code 0x%08lx.",
+				    pdu->type, pdu->u.generic_nack_resp.command_status);
+	    }
+	    break;
+
+	case unbind:
+	    break;	    
+ 
+	case unbind_resp:	
+	    break;
+
         default: 
             error(0, "SMPP[%s]: Unknown PDU type 0x%08lx, ignored.",
                   octstr_get_cstr(smpp->conn->id), pdu->type); 
@@ -864,6 +892,21 @@
         for (;;) { 
             timeout = last_enquire_sent + smpp->enquire_link_interval
                         - date_universal_now(); 
+   
+       /*UNBIND*/
+	    if (smpp->quitting) {
+		    send_unbind(smpp, conn);
+		    while ((ret = read_pdu(smpp, conn, &len, &pdu)) == 1) {
+			    dump_pdu("Got PDU:", smpp->conn->id, pdu);
+			    handle_pdu(smpp, conn, pdu, &pending_submits);
+			    smpp_pdu_destroy(pdu);
+		    }
+
+		    debug("bb.sms.smpp", 0, "SMPP: %s: break and shutting down",
+__PRETTY_FUNCTION__);
+	    }
+       /*END UNBIND*/
+	    
             if (smpp->quitting || conn_wait(conn, timeout) == -1) 
                 break;