http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/wvstreams/wvlogrcv.h

/* -*- Mode: C++ -*- * Worldvisions Weaver Software: * Copyright (C) 1997-2002 Net Integration Technologies, Inc. * * Enhanced "Log Receiver" classes for WvLog. * * WvLogRcv-derived classes support automatic formatting of log lines with * a prefix, removing control characters, and so on. * * WvLogRcv supports partial- and multiple-line log messages. For example, * log.print("test "); * log.print("string\nfoo"); * will print: * appname(lvl): test string * appname(lvl): foo */ #ifndef __WVLOGRCV_H #define __WVLOGRCV_H #include "wvlog.h" #include "wvfdstream.h" #include "wvscatterhash.h" /** * WvLogRcv adds some intelligence to WvLogRcvBase, to keep * track of line-prefix-printing and other formatting information. */ class WvLogRcv : public WvLogRcvBase { protected: WvString last_source; WvLog::LogLevel max_level, last_level; bool at_newline; WvString prefix; size_t prelen; class Src_Lvl { public: WvString src; WvLog::LogLevel lvl; Src_Lvl(WvString _src, int _lvl) : src(_src), lvl((WvLog::LogLevel)_lvl) {}; }; DeclareWvScatterDict(Src_Lvl, WvString, src); Src_LvlDict custom_levels; virtual void log(WvStringParm source, int loglevel, const char *_buf, size_t len); /** Set the Prefix and Prefix Length (size_t prelen) */ virtual void _make_prefix(); /** Start a new log line (print prefix) */ virtual void _begin_line(); /** End this (Guaranteed NonEmpty) log line */ virtual void _end_line(); /** * add text to the current log line. 'str' may contain only * one '\n' optional character at str[len-1] (the end); if it does, * end_line will be called immediately after this function. */ virtual void _mid_line(const char *str, size_t len) = 0; private: void begin_line() { if (!at_newline) return; _begin_line(); at_newline = false; } void mid_line(const char *str, size_t len) { _mid_line(str, len); if (len>0 && str[len-1] == '\n') at_newline = true; } public: static char *loglevels[WvLog::NUM_LOGLEVELS]; WvLogRcv(WvLog::LogLevel _max_level = WvLog::NUM_LOGLEVELS); virtual ~WvLogRcv(); void end_line() { if (at_newline) return; _mid_line("\n", 1); _end_line(); at_newline = true; }; WvLog::LogLevel level() const { return max_level; } void level(WvLog::LogLevel lvl) { max_level = lvl; } /* * Allows you to override debug levels for specific sources * example: mysql=9,Service Manager=9 * will get all the debug output from all the sources that * contain (case insensitively) "mysql" or "Service Manager" * in the source name regardless of the current debug level. */ bool set_custom_levels(WvString descr); }; /** * Captures formatted log messages and outputs them to the * specified file descriptor. */ class WvLogConsole : public WvFDStream, public WvLogRcv { public: WvLogConsole(int _fd, WvLog::LogLevel _max_level = WvLog::NUM_LOGLEVELS); virtual ~WvLogConsole(); protected: virtual void _mid_line(const char *str, size_t len); }; #endif // __WVLOGRCV_H