76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
// log.h : log utility
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//
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// Author: Gongbing
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//
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// Create: 2019-08-07
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#pragma once
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#ifndef _INCLUDED_REF_
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#define _INCLUDED_REF_
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#include "../ref/ref.h"
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#endif
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//////////////////////////////////////////////////////////////////////////////////////////
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// level
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enum _log_level
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{
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LOG_LEVEL_ALL = 1,
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LOG_LEVEL_PART,
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LOG_LEVEL_IMPORTANT,
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LOG_LEVEL_VERY_IMPORTANT,
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LOG_LEVEL_NONE = INT_MAX,
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};
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enum _log_type
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{
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LOG_TYPE_NONE,
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LOG_TYPE_CONSOLE_OUT,
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LOG_TYPE_OUTPUTDBG,
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LOG_TYPE_WRITE_FILE,
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LOG_TYPE_USER_CUSTOM,
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};
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//////////////////////////////////////////////////////////////////////////////////////////
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// macros
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#ifndef UNICODE_STR
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#define _TO_UNICODE(str) L##str
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#define UNICODE_STR(str) _TO_UNICODE(str)
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#define MAKE_UNICODE(str) UNICODE_STR(str)
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#endif
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#define LOG_API_PROTO(name) void(__stdcall *name)(const wchar_t* info, size_t words, void* user)
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#define LOG_API_INSTANCE(name) void __stdcall name(const wchar_t* info, size_t words, void* user)
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namespace log_util
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{
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//////////////////////////////////////////////////////////////////////////////////////////
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// log interface
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typedef LOG_API_PROTO(real_log);
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__declspec(novtable) struct ILog : public ref_util::IRef
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{
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// param0: (const wchar_t*)path file when type is LOG_TYPE_WRITE_FILE, real_log when type is LOG_TYPE_USER_CUSTOM. otherwise always be ZERO
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// param1: for parameter 'user' of real_log when type is LOG_TYPE_USER_CUSTOM, otherwise always be ZERO
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COM_API_DECLARE(int, set_log_level(_log_level level));
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COM_API_DECLARE(int, set_log_type(_log_type type, void* param0 = NULL, void* param1 = NULL)); // return type after this oper
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COM_API_DECLARE(void, write_log(const wchar_t* info, size_t bytes, _log_level level));
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COM_API_DECLARE(bool, is_level_enabled(_log_level level)); // whether the message of level can be logged
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COM_API_DECLARE(void, set_prefix(const wchar_t* pref)); // default is without prefix
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COM_API_DECLARE(void, enable_time_stamp(bool enable)); // default is without timestamp
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};
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// use inner log_util
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// param0: (const wchar_t*)path file when type is LOG_TYPE_WRITE_FILE, real_log when type is LOG_TYPE_USER_CUSTOM. otherwise always be ZERO
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// param1: for parameter 'user' of real_log when type is LOG_TYPE_USER_CUSTOM, otherwise always be ZERO
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PORT_API(ILog*) start_log(_log_type type = LOG_TYPE_OUTPUTDBG, _log_level level = LOG_LEVEL_ALL, void* param0 = NULL, void* param1 = NULL);
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PORT_API(ILog*) get_cur_log_util(void);
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// set an external log_util, NULL to stop current log, will invoke log->add_ref() if log is valid
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PORT_API(void) set_log_util(ILog* log);
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// invoke log
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PORT_API(bool) is_logging_enable(_log_level level);
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PORT_API_CALL(void, __cdecl) log(_log_level level, size_t estimate_bytes, const wchar_t* format, ...);
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PORT_API_CALL(void, __cdecl) log(_log_level level, size_t estimate_bytes, const char* format, ...);
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}
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