summaryrefslogtreecommitdiffstats
path: root/src/LoggerListeners.cpp
blob: ba813967811d6a479dd907a925158099f7213f1e (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355

#include "Globals.h"

#include "LoggerListeners.h"

#include <chrono>

#if defined(_WIN32)
	#include <io.h>  // Needed for _isatty(), not available on Linux
	#include <time.h>
#elif defined(__linux) && !defined(ANDROID_NDK)
	#include <unistd.h>  // Needed for isatty() on Linux
#elif defined(ANDROID_NDK)
	#include <android/log.h>
#endif


#if defined(_WIN32) || (defined (__linux) && !defined(ANDROID_NDK))
	class cColouredConsoleListener
		: public cLogger::cListener
	{
	protected:
	
		virtual void SetLogColour(cLogger::eLogLevel a_LogLevel) = 0;
		virtual void SetDefaultLogColour() = 0;
	
		virtual void Log(AString a_Message, cLogger::eLogLevel a_LogLevel) override
		{
			SetLogColour(a_LogLevel);
			fputs(a_Message.c_str(), stdout);
			SetDefaultLogColour();
		}
	};
#endif





#ifdef _WIN32
	class cWindowsConsoleListener
		: public cColouredConsoleListener
	{
		typedef cColouredConsoleListener super;
	public:
		cWindowsConsoleListener(HANDLE a_Console, WORD a_DefaultConsoleAttrib) :
			m_Console(a_Console),
			m_DefaultConsoleAttrib(a_DefaultConsoleAttrib)
		{
		}
		
		#ifdef _DEBUG
			virtual void Log(AString a_Message, cLogger::eLogLevel a_LogLevel) override
			{
				super::Log(a_Message, a_LogLevel);
				// In a Windows Debug build, output the log to debug console as well:
				OutputDebugStringA(a_Message.c_str());
			}
		#endif


		virtual void SetLogColour(cLogger::eLogLevel a_LogLevel) override
		{
			// by default, gray on black
			WORD Attrib = FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED;
			switch (a_LogLevel)
			{
				case cLogger::llRegular:
				{
					// Gray on black
					Attrib = FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED;
					break;
				}
				case cLogger::llInfo:
				{
					// Yellow on black
					Attrib = FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY;
					break;
				}
				case cLogger::llWarning:
				{
					// Red on black
					Attrib = FOREGROUND_RED | FOREGROUND_INTENSITY;
					break;
				}
				case cLogger::llError:
				{
					// Black on red
					Attrib = BACKGROUND_RED | BACKGROUND_INTENSITY;
					break;
				}
			}
			SetConsoleTextAttribute(m_Console, Attrib);
		}
		
		
		virtual void SetDefaultLogColour() override
		{
			SetConsoleTextAttribute(m_Console, m_DefaultConsoleAttrib);
		}
		
	private:
	
		HANDLE m_Console;
		WORD m_DefaultConsoleAttrib;
	};
	
	
	
#elif defined (__linux) && !defined(ANDROID_NDK)



	class cLinuxConsoleListener
		: public cColouredConsoleListener
	{
	public:
		virtual void SetLogColour(cLogger::eLogLevel a_LogLevel) override
		{
			switch (a_LogLevel)
			{
				case cLogger::llRegular:
				{
					// Whatever the console default is
					printf("\x1b[0m");
					break;
				}
				case cLogger::llInfo:
				{
					// Yellow on black
					printf("\x1b[33;1m");
					break;
				}
				case cLogger::llWarning:
				{
					// Red on black
					printf("\x1b[31;1m");
					break;
				}
				case cLogger::llError:
				{
					// Yellow on red
					printf("\x1b[1;33;41;1m");
					break;
				}
			}
		}
		
		
		virtual void SetDefaultLogColour() override
		{
			// Whatever the console default is
			printf("\x1b[0m");
		}
	};
	
	
	
#elif defined(ANDROID_NDK)



	class cAndroidConsoleListener
		: public cLogger::cListener
	{
	public:
		virtual void Log(AString a_Message, cLogger::eLogLevel a_LogLevel) override
		{
			android_LogPriority AndroidLogLevel;
			switch (a_LogLevel)
			{
				case cLogger::llRegular:
				{
					AndroidLogLevel = ANDROID_LOG_VERBOSE;
					break;
				}
				case cLogger::llInfo:
				{
					AndroidLogLevel = ANDROID_LOG_INFO;
					break;
				}
				case cLogger::llWarning:
				{
					AndroidLogLevel = ANDROID_LOG_WARNING;
					break;
				}
				case cLogger::llError:
				{
					AndroidLogLevel = ANDROID_LOG_ERROR;
					break;
				}
			}
			__android_log_print(AndroidLogLevel, "MCServer", "%s", a_Message.c_str());
		}
	};
	
#endif





class cVanillaCPPConsoleListener
	: public cLogger::cListener
{
public:
	virtual void Log(AString a_Message, cLogger::eLogLevel a_LogLevel) override
	{
		AString LogLevelString;
		switch (a_LogLevel)
		{
			case cLogger::llRegular:
			{
				LogLevelString = "Log";
				break;
			}
			case cLogger::llInfo:
			{
				LogLevelString = "Info";
				break;
			}
			case cLogger::llWarning:
			{
				LogLevelString = "Warning";
				break;
			}
			case cLogger::llError:
			{
				LogLevelString = "Error";
				break;
			}
		}
		printf("%s: %s", LogLevelString.c_str(), a_Message.c_str());
	}
};





// Listener for when stdout is closed, i.e. When running as a daemon.
class cNullConsoleListener
	: public cLogger::cListener
{
	virtual void Log(AString a_Message, cLogger::eLogLevel a_LogLevel) override
	{
	}
};





cLogger::cListener * MakeConsoleListener(bool a_IsService)
{
	if (a_IsService)
	{
		return new cNullConsoleListener;
	}

	#ifdef _WIN32
		// See whether we are writing to a console the default console attrib:
		bool ShouldColorOutput = (_isatty(_fileno(stdin)) != 0);
		if (ShouldColorOutput)
		{
			CONSOLE_SCREEN_BUFFER_INFO sbi;
			HANDLE Console = GetStdHandle(STD_OUTPUT_HANDLE);
			GetConsoleScreenBufferInfo(Console, &sbi);
			WORD DefaultConsoleAttrib = sbi.wAttributes;
			return new cWindowsConsoleListener(Console, DefaultConsoleAttrib);
		}
		else
		{
			return new cVanillaCPPConsoleListener;
		}
		
	#elif defined (__linux) && !defined(ANDROID_NDK)
		// TODO: lookup terminal in terminfo
		if (isatty(fileno(stdout)))
		{
			return new cLinuxConsoleListener();
		}
		else
		{
			return new cVanillaCPPConsoleListener();
		}
	#else
		return new cVanillaCPPConsoleListener();
	#endif
}





////////////////////////////////////////////////////////////////////////////////
// cFileListener:

cFileListener::cFileListener(void)
{
	cFile::CreateFolder(FILE_IO_PREFIX + AString("logs"));
	m_File.Open(
		FILE_IO_PREFIX + Printf(
			"logs/LOG_%d.txt",
			std::chrono::duration_cast<std::chrono::duration<int, std::ratio<1>>>(
				std::chrono::system_clock::now().time_since_epoch()
			).count()
		),
		cFile::fmAppend
	);
}





void cFileListener::Log(AString a_Message, cLogger::eLogLevel a_LogLevel)
{
	const char * LogLevelPrefix = "Unkn ";
	bool ShouldFlush = false;
	switch (a_LogLevel)
	{
		case cLogger::llRegular:
		{
			LogLevelPrefix = "     ";
			break;
		}
		case cLogger::llInfo:
		{
			LogLevelPrefix = "Info ";
			break;
		}
		case cLogger::llWarning:
		{
			LogLevelPrefix = "Warn ";
			ShouldFlush = true;
			break;
		}
		case cLogger::llError:
		{
			LogLevelPrefix = "Err  ";
			ShouldFlush = true;
			break;
		}
	}
	m_File.Printf("%s%s", LogLevelPrefix, a_Message.c_str());
	if (ShouldFlush)
	{
		m_File.Flush();
	}
}