From 93be927b1c1c74bc4da6f6d5978ba8e6e52f3cc2 Mon Sep 17 00:00:00 2001
From: dscho <dscho>
Date: Tue, 27 Sep 2005 15:18:22 +0000
Subject: Introduce generic protocol extension method. Deprecate the
 processCustomClientMessage() method.

---
 libvncserver/main.c | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'libvncserver/main.c')

diff --git a/libvncserver/main.c b/libvncserver/main.c
index a9161ce..905bb83 100644
--- a/libvncserver/main.c
+++ b/libvncserver/main.c
@@ -40,6 +40,7 @@
 
 #ifdef LIBVNCSERVER_HAVE_LIBPTHREAD
 static MUTEX(logMutex);
+static MUTEX(extMutex);
 #endif
 
 static int rfbEnableLogging=1;
@@ -50,6 +51,43 @@ char rfbEndianTest = 0;
 char rfbEndianTest = -1;
 #endif
 
+/*
+ * Protocol extensions
+ */
+
+static rfbProtocolExtension* rfbExtensionHead = NULL;
+
+void
+rfbRegisterProtocolExtension(rfbProtocolExtension* extension)
+{
+	rfbProtocolExtension* last;
+
+	LOCK(extMutex);
+	last = extension;
+
+	while(last->next)
+		last = last->next;
+
+	last->next = rfbExtensionHead;
+	rfbExtensionHead = extension;
+	UNLOCK(extMutex);
+}
+
+rfbProtocolExtension* rfbGetExtensionIterator()
+{
+	LOCK(extMutex);
+	return rfbExtensionHead;
+}
+
+void rfbReleaseExtensionIterator()
+{
+	UNLOCK(extMutex);
+}
+
+/*
+ * Logging
+ */
+
 void rfbLogEnable(int enabled) {
   rfbEnableLogging=enabled;
 }
-- 
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