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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| dynamic_analysis.h |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| #include <windows.h> | ||
| #include <iostream> | ||
| #include <string> | ||
| #include "helpers.h" | ||
| #include "LoggingSystem.h" | ||
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| // Global externs for the logging system | ||
| LoggingSystem logger; | ||
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| // Closes the file, if needed | ||
| LoggingSystem::~LoggingSystem() | ||
| { | ||
| // Close the file, if needed | ||
| if (logToFile) | ||
| logFile.close(); | ||
| } | ||
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| // Enables logging to console | ||
| void LoggingSystem::EnableConsoleLogging() | ||
| { | ||
| // Only open the console if not already opened | ||
| if (!logToConsole) | ||
| { | ||
| logToConsole = true; | ||
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| // Open a console (to log to) | ||
| AllocConsole(); | ||
| freopen_s((FILE**)stdout, "CONOUT$", "w", stdout); | ||
| ShowWindow(GetConsoleWindow(), SW_MINIMIZE); | ||
| } | ||
| } | ||
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| // Enables logging to file | ||
| void LoggingSystem::EnableFileLogging(const std::string& logFilePath) | ||
| { | ||
| // Only open the file if not already opened | ||
| if (!logToFile) | ||
| { | ||
| logToFile = true; | ||
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| // Open the log file, based on the pre-defined location | ||
| // Placement new because std::ofstream is NOT copyable | ||
| new(&logFile) std::ofstream(logFilePath, std::ios::out | std::ios::trunc); | ||
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| if (!logFile.is_open()) | ||
| { | ||
| // Don't log to file, something went wrong | ||
| Log(LOG_CODE::LOG_CODE_WARNING, "Could not initialize the log file - will not log to file"); | ||
| logToFile = false; | ||
| } | ||
| } | ||
| } | ||
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| // Sets the max verbosity to print (anything above will not be printed) | ||
| void LoggingSystem::SetVerbosity(LOG_CODE verbosity) | ||
| { | ||
| this->verbosity = verbosity; | ||
| } | ||
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| // Prints the string for the code to the log (and possibly the file) | ||
| std::string LoggingSystem::GetLogCodeString(LOG_CODE logCode) | ||
| { | ||
| // Return the log code string | ||
| return ("[" + logPrefixes[(unsigned) logCode] + "] "); | ||
| } | ||
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| // Checks if the cursor is at the end of the line | ||
| bool LoggingSystem::CursorAtEnd() | ||
| { | ||
| if (logToConsole) | ||
| { | ||
| CONSOLE_SCREEN_BUFFER_INFO cbsi; | ||
| if (GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cbsi)) | ||
| return (cbsi.dwCursorPosition.X != 0); | ||
| } | ||
| return false; | ||
| } | ||
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| // Logs a message to the console window | ||
| // Newline is ensured (for flushing) | ||
| void LoggingSystem::Log(LOG_CODE logCode, std::string message, bool includePrefix) | ||
| { | ||
| // Don't log due to set verbosity level | ||
| if (logCode > verbosity) return; | ||
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| // Build the whole string in advance, to prevent thread cross-printing | ||
| std::string finalText = (CursorAtEnd()? "\n":"") + (includePrefix? GetLogCodeString(logCode) : "") + | ||
| message + "\n"; | ||
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| // Print the message, if needed | ||
| if (logToConsole) | ||
| std::cout << finalText << std::flush; | ||
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| // Log to file, if needed | ||
| if (logToFile) | ||
| { | ||
| logFile << finalText; | ||
| logFile.flush(); | ||
| } | ||
| } | ||
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| // Logs a message to the console window, using the familiar "printf" format | ||
| // Newline is ensured (for flushing) | ||
| void LoggingSystem::LogVariadic(LOG_CODE logCode, bool sameLine, const char* formatString, ...) | ||
| { | ||
| // Don't log due to set verbosity level | ||
| if (logCode > verbosity) return; | ||
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| va_list argp = { nullptr }; | ||
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| // Get the exact size needed by getting the size of the result string | ||
| va_start(argp, formatString); | ||
| int bufferLen = vsnprintf(nullptr, 0, formatString, argp) + 1; | ||
| va_end(argp); | ||
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| // Create a buffer for the string | ||
| char* newString = (char*)malloc(bufferLen); | ||
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| // Malloc returned null (bad, but only a single message is missed) | ||
| if (!newString) return; | ||
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| // Null-terminate the string | ||
| newString[bufferLen - 1] = '\0'; | ||
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| // Format the string into the buffer | ||
| va_start(argp, formatString); | ||
| vsprintf_s(newString, bufferLen, formatString, argp); | ||
| va_end(argp); | ||
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| // Add the prefix to the gives format string | ||
| // Do not print a new line if current line should be overwritten | ||
| sameLine = sameLine && logToConsole; | ||
| std::string message = (sameLine? "\r":(CursorAtEnd()? "\n":"")) + | ||
| GetLogCodeString(logCode) + newString + (sameLine? "":"\n"); | ||
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| // Print the message, if needed | ||
| if (logToConsole) std::cout << message.c_str() << std::flush; | ||
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| // Log to file, if needed | ||
| if (logToFile) logFile << message << std::flush; | ||
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| // Clean up dynamic memory | ||
| free(newString); | ||
| } |
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