1 // ----------------------------------------------------------------------------
2 //	  debug.h
3 //
4 // Copyright (C) 2008
5 //			  Stelios Bounanos, M0GLD
6 //
7 // This file is part of fldigi.
8 //
9 // fldigi is free software; you can redistribute it and/or modify
10 // it under the terms of the GNU General Public License as published by
11 // the Free Software Foundation; either version 3 of the License, or
12 // (at your option) any later version.
13 //
14 // fldigi is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 // GNU General Public License for more details.
18 //
19 // You should have received a copy of the GNU General Public License
20 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
21 // ----------------------------------------------------------------------------
22 
23 #ifndef _DEBUG_H_
24 #define _DEBUG_H_
25 
26 #include "util.h"
27 
28 class debug
29 {
30 public:
31 	enum level_e { QUIET_LEVEL, ERROR_LEVEL, WARN_LEVEL, INFO_LEVEL, DEBUG_LEVEL, LOG_NLEVELS };
32 	enum source_e {
33 		LOG_RIGCONTROL = 1 << 0, LOG_RPC = 1 << 1, LOG_OTHER = 1 << 2
34 	};
35 	static void start(const char* filename);
36 	static void stop(void);
37 	static void log(level_e level, const char* func, const char* srcf, int line,
38 			const char* format, ...) format__(printf, 5, 6);
39 	static void elog(const char* func, const char* srcf, int line, const char* text);
40 	static void show(void);
41 	static void resize(int x, int y, int w, int h);
42 	static void position(int x, int y);
43 	static void font(int);
44 	static void font_size(int);
45 	static level_e level;
46 	static uint32_t mask;
47 private:
48 	static void sync_text(void*);
49 	debug(const char* filename);
50 	debug(const debug&);
51 	debug& operator=(const debug&);
52 	~debug();
53 	static debug* inst;
54 };
55 
56 #define LOG(level__, source__, ...)							\
57 	do {										\
58 		if (level__ <= debug::level && source__ & debug::mask)			\
59 			debug::log(level__, __func__, __FILE__, __LINE__, __VA_ARGS__); \
60 	} while (0)
61 
62 #define LOG_DEBUG(...) LOG(debug::DEBUG_LEVEL, log_source_, __VA_ARGS__)
63 #define LOG_INFO(...) LOG(debug::INFO_LEVEL, log_source_, __VA_ARGS__)
64 #define LOG_WARN(...) LOG(debug::WARN_LEVEL, log_source_, __VA_ARGS__)
65 #define LOG_ERROR(...) LOG(debug::ERROR_LEVEL, log_source_, __VA_ARGS__)
66 #define LOG_QUIET(...) LOG(debug::QUIET_LEVEL, log_source_, __VA_ARGS__)
67 
68 #define LOG_PERROR(msg__)								\
69 	do {										\
70 		if (debug::ERROR_LEVEL <= debug::level && log_source_ & debug::mask)	\
71 			debug::elog(__func__, __FILE__, __LINE__, msg__);		\
72 	} while (0)
73 
74 unused__ static uint32_t log_source_ = debug::LOG_OTHER;
75 #if defined(__GNUC__) && (__GNUC__ >= 3)
76 #  define LOG_FILE_SOURCE(source__)						\
77 	__attribute__((constructor))						\
78 	static void log_set_source_(void) { log_source_ = source__; }
79 #else
80 #  define LOG_FILE_SOURCE(source__)
81 #endif
82 
83 #define LOG_SET_SOURCE(source__) log_source_ = source__
84 
85 extern int debug_visible();
86 
87 #endif // _DEBUG_H_
88 
89 // Local Variables:
90 // mode: c++
91 // c-file-style: "linux"
92 // End:
93