Page Speed Optimization Libraries  1.5.27.2
net/instaweb/util/public/request_trace.h
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00001 /*
00002  * Copyright 2012 Google Inc.
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *      http:///www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00018 
00019 #ifndef NET_INSTAWEB_UTIL_PUBLIC_REQUEST_TRACE_H_
00020 #define NET_INSTAWEB_UTIL_PUBLIC_REQUEST_TRACE_H_
00021 
00022 #include <cstdarg>
00023 
00024 #include "net/instaweb/util/public/basictypes.h"
00025 
00026 namespace net_instaweb {
00027 
00030 class RequestTrace {
00031  public:
00032   RequestTrace();
00033   virtual ~RequestTrace();
00034 
00036   virtual void TraceVPrintf(const char* fm, va_list argp) = 0;
00037   void TracePrintf(const char* fmt, ...);
00038 
00042   bool tracing_enabled() { return tracing_enabled_; }
00043   void set_tracing_enabled(bool x) { tracing_enabled_ = x; }
00044 
00045  private:
00046   bool tracing_enabled_;
00047 
00048   DISALLOW_COPY_AND_ASSIGN(RequestTrace);
00049 };
00050 
00051 }  
00052 
00053 #endif  ///< NET_INSTAWEB_UTIL_PUBLIC_REQUEST_TRACE_H_
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