Create global_context.cc to house g_ceph_context

Signed-off-by: Colin McCabe <colin.mccabe@dreamhost.com>

src/Makefile.am

@@ -644,6 +644,7 @@ libcommon_files = \
 	mds/MDSMap.cc \
 	common/common_init.cc \
 	global/global_init.cc \
+	global/global_context.cc \
 	common/ceph_argparse.cc \
 	common/ceph_context.cc \
 	common/buffer.cc \
@@ -818,6 +819,7 @@ noinst_HEADERS = \
         common/arch.h\
         common/armor.h\
 	global/global_init.h \
+	global/global_context.h \
         common/common_init.h\
 	common/code_environment.h \
         common/signal.h\

src/common/ceph_context.cc

@@ -23,12 +23,6 @@
 #include <pthread.h>
 #include <semaphore.h>
 
-// FIXME
-// These variables are here temporarily to make the transition easier.
-CephContext g_ceph_context __attribute__((init_priority(103))) (0);
-md_config_t *g_conf(g_ceph_context._conf);
-DoutStreambuf <char, std::basic_string<char>::traits_type> *_doss(g_ceph_context._doss);
-
 class CephContextServiceThread : public Thread
 {
 public:

src/common/dout.h

@@ -16,7 +16,7 @@
 #ifndef CEPH_DOUT_H
 #define CEPH_DOUT_H
 
-#include "common/ceph_context.h"
+#include "global/global_context.h"
 #include "common/DoutStreambuf.h"
 #include "common/likely.h"
 #include "common/config.h"		    // need for g_conf

src/global/global_context.cc

@@ -0,0 +1,23 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2011 New Dream Network
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#include "common/ceph_context.h"
+#include "global/global_context.h"
+
+/*
+ * Global variables for use from process context.
+ */
+CephContext g_ceph_context __attribute__((init_priority(103))) (0);
+md_config_t *g_conf(g_ceph_context._conf);
+DoutStreambuf <char, std::basic_string<char>::traits_type> *_doss(g_ceph_context._doss);

src/global/global_context.h

@@ -0,0 +1,33 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2011 New Dream Network
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#ifndef CEPH_GLOBAL_CONTEXT_H
+#define CEPH_GLOBAL_CONTEXT_H
+
+#include "common/ceph_context.h"
+
+#include <iostream>
+#include <stdint.h>
+
+/* Forward declarations */ 
+template <typename T, typename U>
+class DoutStreambuf;
+
+class md_config_t;
+
+extern CephContext g_ceph_context;
+extern md_config_t *g_conf;
+extern DoutStreambuf <char, std::basic_string<char>::traits_type> *_doss;
+
+#endif