Added method so User Part Unavailable notifications can be received from Management.

git-svn-id: http://voip.null.ro/svn/yate@3572 acf43c95-373e-0410-b603-e72c3f656dc1

libs/ysig/isup.cpp

@@ -4169,6 +4169,14 @@ bool SS7ISUP::processMSU(SS7MsgISUP::Type type, unsigned int cic,
     return true;
 }
 
+// MTP notification that remote user part is unavailable
+void SS7ISUP::receivedUPU(SS7PointCode::Type type, const SS7PointCode node,
+    SS7MSU::Services part, unsigned char cause, const SS7Label& label, int sls)
+{
+    if (part != sif() || !handlesRemotePC(node))
+	return;
+}
+
 // Process an event received from a non-reserved circuit
 SignallingEvent* SS7ISUP::processCircuitEvent(SignallingCircuitEvent*& event,
     SignallingCall* call)

libs/ysig/management.cpp

@@ -520,6 +520,15 @@ HandledMSU SS7Management::receivedMSU(const SS7MSU& msu, const SS7Label& label,
 	    msg->params().getValue("part","?"),
 	    msg->params().getValue("destination","?"),
 	    msg->params().getValue("cause","?"));
+	if (router) {
+	    unsigned char part = msg->params().getIntValue("part",-1);
+	    unsigned char cause = msg->params().getIntValue("cause",-1);
+	    SS7PointCode pc;
+	    if (part > SS7MSU::MTNS && part <= 0x0f && cause <= 0x0f &&
+		pc.assign(msg->params().getValue("destination"),label.type()))
+		router->receivedUPU(label.type(),pc,(SS7MSU::Services)part,
+		    cause,label,sls);
+	}
     }
     else {
 	String tmp;

libs/ysig/router.cpp

@@ -840,6 +840,27 @@ void SS7Router::recoverMSU(const SS7Label& link, int sequence)
     }
 }
 
+void SS7Router::receivedUPU(SS7PointCode::Type type, const SS7PointCode node,
+    SS7MSU::Services part, unsigned char cause, const SS7Label& label, int sls)
+{
+    // Iterate and notify all User Parts
+    lock();
+    ListIterator iter(m_layer4);
+    while (L4Pointer* p = static_cast<L4Pointer*>(iter.get())) {
+	if (p && *p) {
+	    RefPointer<SS7Layer4> l4 = static_cast<SS7Layer4*>(*p);
+	    if (!l4)
+		continue;
+	    unlock();
+	    l4->receivedUPU(type,node,part,cause,label,sls);
+	    l4 = 0;
+	    lock();
+	}
+    }
+    unlock();
+}
+
+
 void SS7Router::notify(SS7Layer3* network, int sls)
 {
     DDebug(this,DebugInfo,"Notified %s on %p sls %d [%p]",

libs/ysig/yatesig.h

@@ -5371,6 +5371,19 @@ protected:
     virtual bool recoveredMSU(const SS7MSU& msu, const SS7Label& label, SS7Layer3* network, int sls)
 	{ return false; }
 
+    /**
+     * Notification for receiving User Part Unavailable
+     * @param type Type of Point Code
+     * @param node Node on which the User Part is unavailable
+     * @param part User Part (service) reported unavailable
+     * @param cause Unavailability cause - Q.704 15.17.5
+     * @param label Routing label of the UPU message
+     * @param sls Signaling link the UPU was received on
+     */
+    virtual void receivedUPU(SS7PointCode::Type type, const SS7PointCode node,
+	SS7MSU::Services part, unsigned char cause, const SS7Label& label, int sls)
+	{ }
+
     /**
      * Process a notification generated by the attached network layer
      * @param link Network or linkset that generated the notification
@@ -5442,6 +5455,15 @@ public:
     virtual int inhibited(int sls) const
 	{ return 0; }
 
+    /**
+     * Check some of the inhibition flags of a specific link
+     * @param sls Signalling Link to check
+     * @param flags Flags to check for, ORed together
+     * @return True if any of the specified inhibition flags is active
+     */
+    inline bool inhibited(int sls, int flags) const
+	{ return (inhibited(sls) & flags) != 0; }
+
     /**
      * Set and clear inhibition flags on the links
      * @param sls Signalling Link to modify
@@ -6008,6 +6030,18 @@ public:
      */
     void recoverMSU(const SS7Label& link, int sequence);
 
+    /**
+     * Notification for receiving User Part Unavailable
+     * @param type Type of Point Code
+     * @param node Node on which the User Part is unavailable
+     * @param part User Part (service) reported unavailable
+     * @param cause Unavailability cause - Q.704 15.17.5
+     * @param label Routing label of the UPU message
+     * @param sls Signaling link the UPU was received on
+     */
+    virtual void receivedUPU(SS7PointCode::Type type, const SS7PointCode node,
+	SS7MSU::Services part, unsigned char cause, const SS7Label& label, int sls);
+
     /**
      * Check if the transfer function is enabled
      * @return True if acting as a STP
@@ -7913,6 +7947,18 @@ protected:
         const unsigned char* paramPtr, unsigned int paramLen,
 	const SS7Label& label, SS7Layer3* network, int sls);
 
+    /**
+     * Notification for receiving User Part Unavailable
+     * @param type Type of Point Code
+     * @param node Node on which the User Part is unavailable
+     * @param part User Part (service) reported unavailable
+     * @param cause Unavailability cause - Q.704 15.17.5
+     * @param label Routing label of the UPU message
+     * @param sls Signaling link the UPU was received on
+     */
+    virtual void receivedUPU(SS7PointCode::Type type, const SS7PointCode node,
+	SS7MSU::Services part, unsigned char cause, const SS7Label& label, int sls);
+
     /**
      * Process an event received from a non-reserved circuit
      * @param event The event, will be consumed and zeroed