From 896b2f2bdcacfa9d561114f55707e895becb69ad Mon Sep 17 00:00:00 2001
From: chatty
Date: Tue, 27 Jul 1993 13:55:15 +0000
Subject: Use Multiplexer::Run instead of LoopScan. Added return value to Run
 Now handle CPLUS_BUG19

---
 comm/OLD/Agent.cc | 78 +++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 55 insertions(+), 23 deletions(-)

(limited to 'comm/OLD/Agent.cc')

diff --git a/comm/OLD/Agent.cc b/comm/OLD/Agent.cc
index 3e4bf8a..6c06f01 100644
--- a/comm/OLD/Agent.cc
+++ b/comm/OLD/Agent.cc
@@ -39,7 +39,7 @@ Construct an empty server port.
 UchAgent :: UchAgent ()
 : UchStream (),
   RemoteAgents (),
-  ChanSet (0)
+  Mpx (0)
 {
 }
 
@@ -47,7 +47,7 @@ UchAgent :: UchAgent ()
 UchAgent :: UchAgent (const UchAgent& sp)
 : UchStream (sp),
   RemoteAgents (),
-  ChanSet (0)
+  Mpx (0)
 {
 }
 
@@ -60,7 +60,7 @@ This can be done with the instruction \com{new UchInetAddress(ANYADDR)}.
 UchAgent :: UchAgent (UchAddress* a)
 : UchStream (a, 0),
   RemoteAgents (),
-  ChanSet (0)
+  Mpx (0)
 {
 }
 
@@ -71,7 +71,7 @@ UchAgent :: ~UchAgent ()
 	
 	while (cl = RemoteAgents.First ())
 		cl->Delete ();
-	ChanSet = 0;	// will delete it if necessary
+	Mpx = 0;	// will delete it if necessary
 }
 
 /*?nodoc?*/
@@ -112,7 +112,7 @@ A smart pointer to the channel set is actually kept in the server, so that it ca
 securely.
 ?*/
 bool
-UchAgent :: Setup (UchMultiplexer* cs)
+UchAgent :: Setup (UchBaseMultiplexer* cs)
 {
 	if (Listen () < 0) {
 		SysError (ErrWarn, "UchAgent::Setup");
@@ -121,8 +121,8 @@ UchAgent :: Setup (UchMultiplexer* cs)
 	SetMode (IORead);
 	if (!cs)
 		cs = new UchMultiplexer;
-	ChanSet = cs;
-	ChanSet->Add (this);
+	Mpx = cs;
+	Mpx->Add (this);
 	
 	return TRUE;
 }
@@ -139,8 +139,8 @@ This is the only way to exit properly from \fun{Run}.
 void
 UchAgent :: Unlisten ()
 {
-	if (ChanSet)
-		ChanSet->Remove (*this);
+	if (Mpx)
+		Mpx->Remove (*this);
 }
 
 
@@ -163,8 +163,8 @@ UchAgent :: HandleRead ()
 	
 	ra->SetMode (IOReadSelect);
 	RemoteAgents.Append (ra);
-	if (ChanSet)
-		ChanSet->Add (ra);
+	if (Mpx)
+		Mpx->Add (ra);
 }
 
 /*?
@@ -213,20 +213,22 @@ UchAgent :: Error (errtype how, const char* who, const char* what)
 
 /*?
 Setup the server if necessary, then scan and process its channel set
-by calling \fun{LoopScan} for it.
+by calling \fun{Run} for it.
 To have a server active, you need at least to initialize it (and thus know its address),
 and then run it.
 If you have added your own channels to the channel set of the server,
 their \fun{HandleRead} and \fun{HandleWrite} functions will be called normally by \fun{Run}.
 ?*/
-void
+MPX_RES
 UchAgent :: Run ()
 {
-	if (! ChanSet)
+	if (! Mpx)
 		if (! Setup ())
 			Error (ErrFatal, "UchAgent::Run", "could not setup");
-	if (ChanSet)
-		ChanSet->LoopScan ();
+	if (Mpx)
+		return Mpx->Run ();
+	else
+		return isMpxError;
 }
 
 /*?
@@ -236,9 +238,15 @@ If \var{flush} is TRUE, the output buffer of each remote agent is flushed.
 void
 UchAgent :: Broadcast (UchMessage& msg, bool flush)
 {
+#ifndef CPLUS_BUG19
 	CcuListIterOf <UchRemoteAgent> li (RemoteAgents);
 	while (++li)
 		(*li)->Send (msg, flush);
+#else
+	CcuListIter li (RemoteAgents);
+	while (++li)
+		((UchRemoteAgent*)(*li))->Send (msg, flush);
+#endif
 }
 
 /*?
@@ -248,19 +256,34 @@ If \var{flush} is TRUE, the output buffer of each client is flushed.
 void
 UchAgent :: Broadcast (UchMessage& msg, UchRemoteAgent* excl, bool flush)
 {
+#ifndef CPLUS_BUG19
 	CcuListIterOf <UchRemoteAgent> li (RemoteAgents);
 	while (++li)
 		if (*li != excl)
 			(*li)->Send (msg, flush);
+#else
+	CcuListIter li (RemoteAgents);
+	while (++li) {
+		UchRemoteAgent* a = (UchRemoteAgent*)(*li);
+		if (a != excl)
+			a->Send (msg, flush);
+	}
+#endif
 }
 
 /*?nextdoc?*/
 void
 UchAgent :: Broadcast (UchMsgBuffer& buf, bool flush)
 {
+#ifndef CPLUS_BUG19
 	CcuListIterOf <UchRemoteAgent> li (RemoteAgents);
 	while (++li)
 		(*li)->Send (buf, flush);
+#else
+	CcuListIter li (RemoteAgents);
+	while (++li)
+		((UchRemoteAgent*)(*li))->Send (buf, flush);
+#endif
 }
 
 /*?
@@ -272,10 +295,19 @@ message conversion overhead.
 void
 UchAgent :: Broadcast (UchMsgBuffer& buf, UchRemoteAgent* excl, bool flush)
 {
+#ifndef CPLUS_BUG19
 	CcuListIterOf <UchRemoteAgent> li (RemoteAgents);
 	while (++li)
 		if (*li != excl)
 			(*li)->Send (buf, flush);
+#else
+	CcuListIter li (RemoteAgents);
+	while (++li) {
+		UchRemoteAgent* a = (UchRemoteAgent*)(*li);
+		if (a != excl)
+			a->Send (buf, flush);
+	}
+#endif
 }
 
 #ifdef DOC
@@ -285,8 +317,8 @@ UchAgent :: Broadcast (UchMsgBuffer& buf, UchRemoteAgent* excl, bool flush)
 Return the channel set used by the server.
 This is useful if you want to add your own channels to the channel set.
 ?*/
-UchMultiplexer*
-UchAgent :: GetChanSet ()
+UchBaseMultiplexer*
+UchAgent :: GetMultiplexer ()
 {
 }
 #endif
@@ -298,7 +330,7 @@ UchAgent :: Contact (UchAddress* a)
 		return 0;
 	UchRemoteAgent* ra = new UchRemoteAgent (this, a);
 	if (ra)
-		ChanSet->Add (ra);
+		Mpx->Add (ra);
 	return ra;
 }
  
@@ -340,8 +372,8 @@ UchRemoteAgent :: ~UchRemoteAgent ()
 		UchAgent* s = MyLocalAgent;
 		s->Error (ErrWarn, "~UchRemoteAgent", "remote agent still connected; deleting anyway ...\n");
 		s->RemoveRemoteAgent (this);
-		if (s->ChanSet)
-			s->ChanSet->Remove (*this);	// calls the destructor if no more refs
+		if (s->Mpx)
+			s->Mpx->Remove (*this);	// calls the destructor if no more refs
 	}
 }
 
@@ -364,8 +396,8 @@ UchRemoteAgent :: Delete ()
 	if (MyLocalAgent) {
 		UchAgent* s = MyLocalAgent;
 		s->RemoveRemoteAgent (this);
-		if (s->ChanSet)
-			s->ChanSet->Remove (*this);	// calls the destructor if no more refs
+		if (s->Mpx)
+			s->Mpx->Remove (*this);	// calls the destructor if no more refs
 	}
 }
 
-- 
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