changed ipc protocol to be more like original synergy protocol (4 byte message codes and better use of protocol util class).

src/lib/ipc/Ipc.cpp

@@ -0,0 +1,23 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2012 Nick Bolton
+ *
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * found in the file COPYING that should have accompanied this file.
+ *
+ * This package is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "Ipc.h"
+
+const char*				kIpcMsgHello		= "IHEL%1i";
+const char*				kIpcMsgLogLine		= "ILOG%s";
+const char*				kIpcMsgCommand		= "ICMD%s";
+const char*				kIpcMsgShutdown		= "ISDN";