41 static const char* TimestampFormat; 42 static const size_t StartTimeBufferSize = 20; 43 static const size_t PidBufferSize = 21; 44 static char _pid_str[PidBufferSize]; 45 static char _vm_start_time_str[StartTimeBufferSize]; 46 47 Mutex _rotation_lock; 48 const char* _name; 49 char* _file_name; 50 char* _archive_name; 51 52 uint _current_file; 53 uint _file_count; 54 uint _file_count_max_digits; 55 56 size_t _archive_name_len; 57 size_t _rotate_size; 58 size_t _current_size; 59 60 void archive(); 61 void rotate(); 62 bool configure_rotation(const char* options); 63 char *make_file_name(const char* file_name, const char* pid_string, const char* timestamp_string); 64 static size_t parse_value(const char* value_str); 65 66 bool should_rotate() const { 67 return _file_count > 0 && _rotate_size > 0 && _current_size >= _rotate_size; 68 } 69 70 public: 71 LogFileOutput(const char *name); 72 virtual ~LogFileOutput(); 73 virtual bool initialize(const char* options); 74 virtual int write(const LogDecorations& decorations, const char* msg); 75 76 virtual const char* name() const { 77 return _name; 78 } 79 80 static void set_file_name_parameters(jlong start_time); 81 }; 82 83 #endif // SHARE_VM_LOGGING_LOGFILEOUTPUT_HPP | 41 static const char* TimestampFormat; 42 static const size_t StartTimeBufferSize = 20; 43 static const size_t PidBufferSize = 21; 44 static char _pid_str[PidBufferSize]; 45 static char _vm_start_time_str[StartTimeBufferSize]; 46 47 Mutex _rotation_lock; 48 const char* _name; 49 char* _file_name; 50 char* _archive_name; 51 52 uint _current_file; 53 uint _file_count; 54 uint _file_count_max_digits; 55 56 size_t _archive_name_len; 57 size_t _rotate_size; 58 size_t _current_size; 59 60 void archive(); 61 bool configure_rotation(const char* options); 62 char *make_file_name(const char* file_name, const char* pid_string, const char* timestamp_string); 63 static size_t parse_value(const char* value_str); 64 65 bool should_rotate(bool force) { 66 return is_rotatable() && 67 (force || (_rotate_size > 0 && _current_size >= _rotate_size)); 68 } 69 70 public: 71 LogFileOutput(const char *name); 72 virtual ~LogFileOutput(); 73 virtual bool initialize(const char* options); 74 virtual int write(const LogDecorations& decorations, const char* msg); 75 76 virtual bool is_rotatable() { 77 return LogConfiguration::is_post_initialized() && (_file_count > 0); 78 } 79 80 virtual void rotate(bool force); 81 82 virtual const char* name() const { 83 return _name; 84 } 85 86 static void set_file_name_parameters(jlong start_time); 87 }; 88 89 #endif // SHARE_VM_LOGGING_LOGFILEOUTPUT_HPP |