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-rw-r--r--src/log.cpp144
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diff --git a/src/log.cpp b/src/log.cpp
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+/*
+Minetest-c55
+Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "log.h"
+
+#include <map>
+#include <list>
+#include <sstream>
+#include "threads.h"
+#include "debug.h"
+#include "gettime.h"
+
+std::list<ILogOutput*> log_outputs[LMT_NUM_VALUES];
+std::map<threadid_t, std::string> log_threadnames;
+
+void log_add_output(ILogOutput *out, enum LogMessageLevel lev)
+{
+ log_outputs[lev].push_back(out);
+}
+
+void log_add_output_maxlev(ILogOutput *out, enum LogMessageLevel lev)
+{
+ for(int i=0; i<=lev; i++)
+ log_outputs[i].push_back(out);
+}
+
+void log_add_output_all_levs(ILogOutput *out)
+{
+ for(int i=0; i<LMT_NUM_VALUES; i++)
+ log_outputs[i].push_back(out);
+}
+
+void log_register_thread(const std::string &name)
+{
+ threadid_t id = get_current_thread_id();
+ log_threadnames[id] = name;
+}
+
+static std::string get_lev_string(enum LogMessageLevel lev)
+{
+ switch(lev){
+ case LMT_ERROR:
+ return "ERROR";
+ case LMT_ACTION:
+ return "ACTION";
+ case LMT_INFO:
+ return "INFO";
+ case LMT_VERBOSE:
+ return "VERBOSE";
+ case LMT_NUM_VALUES:
+ break;
+ }
+ return "(unknown level)";
+}
+
+void log_printline(enum LogMessageLevel lev, const std::string &text)
+{
+ std::string threadname = "(unknown thread)";
+ std::map<threadid_t, std::string>::const_iterator i;
+ i = log_threadnames.find(get_current_thread_id());
+ if(i != log_threadnames.end())
+ threadname = i->second;
+ std::string levelname = get_lev_string(lev);
+ std::ostringstream os(std::ios_base::binary);
+ os<<getTimestamp()<<": "<<levelname<<"["<<threadname<<"]: "<<text;
+ for(std::list<ILogOutput*>::iterator i = log_outputs[lev].begin();
+ i != log_outputs[lev].end(); i++){
+ ILogOutput *out = *i;
+ out->printLog(os.str());
+ out->printLog(lev, text);
+ }
+}
+
+class Logbuf : public std::streambuf
+{
+public:
+ Logbuf(enum LogMessageLevel lev):
+ m_lev(lev)
+ {
+ }
+
+ ~Logbuf()
+ {
+ }
+
+ int overflow(int c)
+ {
+ bufchar(c);
+ return c;
+ }
+ std::streamsize xsputn(const char *s, std::streamsize n)
+ {
+ for(int i=0; i<n; i++)
+ bufchar(s[i]);
+ return n;
+ }
+
+ void printbuf()
+ {
+ log_printline(m_lev, m_buf);
+ }
+
+ void bufchar(char c)
+ {
+ if(c == '\n' || c == '\r'){
+ if(m_buf != "")
+ printbuf();
+ m_buf = "";
+ return;
+ }
+ m_buf += c;
+ }
+
+private:
+ enum LogMessageLevel m_lev;
+ std::string m_buf;
+};
+
+Logbuf errorbuf(LMT_ERROR);
+Logbuf actionbuf(LMT_ACTION);
+Logbuf infobuf(LMT_INFO);
+Logbuf verbosebuf(LMT_VERBOSE);
+std::ostream errorstream(&errorbuf);
+std::ostream actionstream(&actionbuf);
+std::ostream infostream(&infobuf);
+std::ostream verbosestream(&verbosebuf);
+
+