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Diffstat (limited to '')
-rw-r--r-- | WebServer/Tracer.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/WebServer/Tracer.h b/WebServer/Tracer.h new file mode 100644 index 000000000..c13d5128f --- /dev/null +++ b/WebServer/Tracer.h @@ -0,0 +1,113 @@ +/* + Tracer.h + + Copyright (C) 2002-2004 René Nyffenegger + + This source code is provided 'as-is', without any express or implied + warranty. In no event will the author be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this source code must not be misrepresented; you must not + claim that you wrote the original source code. If you use this source code + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original source code. + + 3. This notice may not be removed or altered from any source distribution. + + The most current version of Tracer.h can be found at + http://www.adp-gmbh.ch/cpp/common/Tracer.html + + René Nyffenegger rene.nyffenegger@adp-gmbh.ch +*/ + +/* + Note on point 2: + THIS IS NOT THE ORIGINAL SOURCE1!!1!!!~!!~`1ONE!!`1 +*/ + +#ifndef TRACER_H__ +#define TRACER_H__ + +#ifdef DO_TRACE + +#include <string> +#include <sstream> + +#include <windows.h> + +#define StartTrace(x) TraceFunc_::StartTrace_(x) +#define Trace(x) dummy_____for_trace_func______.Trace_(x) +#define Trace2(x,y) dummy_____for_trace_func______.Trace_(x,y) +#define TraceFunc(x) TraceFunc_ dummy_____for_trace_func______(x) +#define TraceFunc2(x,y) TraceFunc_ dummy_____for_trace_func______(x,y) + +class TraceFunc_ { + std::string func_name_; + public: + /* + Calling TraceFunc_ indents the output until the enclosing scope ( {...} ) + is left. + */ + TraceFunc_(std::string const&); + TraceFunc_(std::string const&, std::string const& something); + ~TraceFunc_(); + + /* + Creates the trace output file named by filename. + Must be called before any other tracing function. + Use the StartTrace macro for it. + */ + static void StartTrace_(std::string const& filename); + + template <class T> + void Trace_(T const& t) { + DWORD d; + std::string indent_s; + std::stringstream s; + + s << t; + + for (int i=0; i< indent; i++) indent_s += " "; + + ::WriteFile(trace_file_,indent_s.c_str(), indent_s.size(), &d, 0); + ::WriteFile(trace_file_, s.str().c_str(), s.str().size() ,&d, 0); + ::WriteFile(trace_file_,"\x0a",1,&d,0); + } + + template <class T, class U> + void Trace_(T const& t, U const& u) { + std::string indent_s; + std::stringstream s; + + s << t; + s << u; + Trace_(s.str()); + } + + static int indent; + /* trace_file_ is a HANDLE for the file in which the traced output goes. + The file is opened (that is, created) by calling StartTrace_. + Better yet, use the StartTrace macro + to create the file. + */ + static HANDLE trace_file_; +}; + +#else + +#define StartTrace(x) +#define Trace(x) +#define Trace2(x,y) +#define TraceFunc(x) +#define TraceFunc2(x,y) + +#endif + +#endif // TRACER_H__ |