From aee85850918d28c671ab269626e622bcdf3930cd Mon Sep 17 00:00:00 2001
From: Stefan Sayer <stefan.sayer@googlemail.com>
Date: Fri, 3 Dec 2010 02:59:04 +0100
Subject: [PATCH] DSM: adds onBeforeDestroy event handler to modules

---
 apps/dsm/DSMCall.cpp        | 4 ++++
 apps/dsm/DSMCall.h          | 1 +
 apps/dsm/DSMModule.h        | 1 +
 apps/dsm/DSMStateEngine.cpp | 5 +++++
 apps/dsm/DSMStateEngine.h   | 1 +
 5 files changed, 12 insertions(+)

diff --git a/apps/dsm/DSMCall.cpp b/apps/dsm/DSMCall.cpp
index c793000d..11f095e5 100644
--- a/apps/dsm/DSMCall.cpp
+++ b/apps/dsm/DSMCall.cpp
@@ -341,6 +341,10 @@ void DSMCall::onSystemEvent(AmSystemEvent* ev) {
   }
 }
 
+void DSMCall::onBeforeDestroy() {
+  engine.onBeforeDestroy(this, this);
+}
+
 void DSMCall::process(AmEvent* event)
 {
 
diff --git a/apps/dsm/DSMCall.h b/apps/dsm/DSMCall.h
index 2f28f261..2dffdeb3 100644
--- a/apps/dsm/DSMCall.h
+++ b/apps/dsm/DSMCall.h
@@ -81,6 +81,7 @@ public:
   void onCancel();
   void onBye(const AmSipRequest& req);
   void onDtmf(int event, int duration_msec);
+  void onBeforeDestroy();
 
   void onSipRequest(const AmSipRequest& req);
   void onSipReply(const AmSipReply& reply, int old_dlg_status, const string& trans_method);
diff --git a/apps/dsm/DSMModule.h b/apps/dsm/DSMModule.h
index c1d64ea7..941d8439 100644
--- a/apps/dsm/DSMModule.h
+++ b/apps/dsm/DSMModule.h
@@ -51,6 +51,7 @@ class DSMModule {
 
   virtual int preload() { return 0; }
   virtual bool onInvite(const AmSipRequest& req, DSMSession* sess) { return true; }
+  virtual void onBeforeDestroy(DSMSession* sc_sess, AmSession* sess) { }
 };
 
 typedef map<string,string> EventParamT;
diff --git a/apps/dsm/DSMStateEngine.cpp b/apps/dsm/DSMStateEngine.cpp
index c43b8ac1..4a17593a 100644
--- a/apps/dsm/DSMStateEngine.cpp
+++ b/apps/dsm/DSMStateEngine.cpp
@@ -218,6 +218,11 @@ bool DSMStateEngine::onInvite(const AmSipRequest& req, DSMSession* sess) {
 
   return res;
 }
+void DSMStateEngine::onBeforeDestroy(DSMSession* sc_sess, AmSession* sess) {
+  for (vector<DSMModule*>::iterator it =
+	 mods.begin(); it != mods.end(); it++)
+    (*it)->onBeforeDestroy(sc_sess, sess);
+}
 
 bool DSMStateEngine::runactions(vector<DSMAction*>::iterator from, 
 				vector<DSMAction*>::iterator to, 
diff --git a/apps/dsm/DSMStateEngine.h b/apps/dsm/DSMStateEngine.h
index 904e1fb3..fc1d8dfa 100644
--- a/apps/dsm/DSMStateEngine.h
+++ b/apps/dsm/DSMStateEngine.h
@@ -249,6 +249,7 @@ class DSMStateEngine {
 
   /** @return whether call should be accepted */
   bool onInvite(const AmSipRequest& req, DSMSession* sess);
+  void onBeforeDestroy(DSMSession* sc_sess, AmSession* sess);
 };
 
 extern void varPrintArg(const AmArg& a, map<string, string>& dst, const string& name);