mDNSResponder-212.1.tar.gz

[apple/mdnsresponder.git] / Clients / PrinterSetupWizard / Logger.h

diff --git a/Clients/PrinterSetupWizard/Logger.h b/Clients/PrinterSetupWizard/Logger.h
new file mode 100644 (file)
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+++ b/Clients/PrinterSetupWizard/Logger.h
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+/* -*- Mode: C; tab-width: 4 -*-
+ *
+ * Copyright (c) 1997-2004 Apple Computer, Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+
+    Change History (most recent first):
+    
+$Log: Logger.h,v $
+Revision 1.1  2009/06/11 22:27:15  herscher
+<rdar://problem/4458913> Add comprehensive logging during printer installation process.
+
+
+ */
+
+#ifndef _Logger_h
+#define _Logger_h
+
+#include <fstream>
+#include <string>
+
+
+class Logger : public std::ofstream
+{
+public:
+
+       Logger();
+       ~Logger();
+
+       std::string
+       currentTime();
+};
+
+
+#define        require_noerr_with_log( LOG, MESSAGE, ERR, LABEL )      \
+               do                                              \
+               {                                               \
+                       int_least32_t localErr;                 \
+                       localErr = (int_least32_t)( ERR );      \
+                       if( localErr != 0 )                     \
+                       {                                       \
+                               log << log.currentTime() << " [ERROR] " << MESSAGE << " returned " << ERR << std::endl;                                         \
+                               log << log.currentTime() << " [WHERE] " << "\"" << __FILE__ << "\", \"" << __FUNCTION__ << "\", line " << __LINE__ << std::endl << std::endl;   \
+                               goto LABEL;                     \
+                       }                                       \
+               } while( 0 )
+
+
+#define        require_action_with_log( LOG, X, LABEL, ACTION )        \
+               do                                              \
+               {                                               \
+                       if( !( X ) )                            \
+                       {                                       \
+                               log << log.currentTime() << " [ERROR] " << #X << std::endl;     \
+                               log << log.currentTime() << " [WHERE] " << "\"" << __FILE__ << "\", \"" << __FUNCTION__ << "\", line " << __LINE__ << std::endl << std::endl;   \
+                               { ACTION; }                     \
+                               goto LABEL;                     \
+                       }                                       \
+               } while( 0 )
+
+#endif