1569 lines
35 KiB
C++
1569 lines
35 KiB
C++
/**
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* @file llerror.cpp
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* @date December 2006
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* @brief error message system
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*
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* $LicenseInfo:firstyear=2006&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "llerror.h"
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#include "llerrorcontrol.h"
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#include <cctype>
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#ifdef __GNUC__
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# include <cxxabi.h>
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#endif // __GNUC__
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#include <sstream>
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#if !LL_WINDOWS
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# include <syslog.h>
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# include <unistd.h>
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#endif // !LL_WINDOWS
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#include <vector>
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#include "llapp.h"
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#include "llapr.h"
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#include "llfile.h"
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#include "lllivefile.h"
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#include "llsd.h"
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#include "llsdserialize.h"
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#include "llstl.h"
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#include "lltimer.h"
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#include "aithreadsafe.h"
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namespace {
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#if LL_WINDOWS
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void debugger_print(const std::string& s)
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{
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// Be careful when calling OutputDebugString as it throws DBG_PRINTEXCEPTION_C
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// which works just fine under the windows debugger, but can cause users who
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// have enabled SEHOP exception chain validation to crash due to interactions
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// between the Win 32-bit exception handling and boost coroutine fiber stacks. BUG-2707
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//
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if (IsDebuggerPresent())
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{
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// Need UTF16 for Unicode OutputDebugString
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//
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if (s.size())
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{
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OutputDebugString(utf8str_to_utf16str(s).c_str());
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OutputDebugString(TEXT("\n"));
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}
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}
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}
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#else
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class RecordToSyslog : public LLError::Recorder
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{
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public:
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RecordToSyslog(const std::string& identity)
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: mIdentity(identity)
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{
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openlog(mIdentity.c_str(), LOG_CONS|LOG_PID, LOG_LOCAL0);
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// we need to set the string from a local copy of the string
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// since apparanetly openlog expects the const char* to remain
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// valid even after it returns (presumably until closelog)
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}
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~RecordToSyslog()
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{
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closelog();
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}
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virtual void recordMessage(LLError::ELevel level,
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const std::string& message)
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{
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int syslogPriority = LOG_CRIT;
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switch (level) {
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case LLError::LEVEL_DEBUG: syslogPriority = LOG_DEBUG; break;
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case LLError::LEVEL_INFO: syslogPriority = LOG_INFO; break;
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case LLError::LEVEL_WARN: syslogPriority = LOG_WARNING; break;
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case LLError::LEVEL_ERROR: syslogPriority = LOG_CRIT; break;
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default: syslogPriority = LOG_CRIT;
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}
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syslog(syslogPriority, "%s", message.c_str());
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}
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private:
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std::string mIdentity;
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};
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#endif
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class RecordToFile : public LLError::Recorder
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{
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public:
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RecordToFile(const std::string& filename)
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{
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mFile.open(filename.c_str(), std::ios_base::out | std::ios_base::app);
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if (!mFile)
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{
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LL_INFOS() << "Error setting log file to " << filename << LL_ENDL;
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}
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mWantsTime = true;
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mWantsTags = true;
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}
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~RecordToFile()
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{
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mFile.close();
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}
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bool okay() { return mFile.good(); }
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virtual void recordMessage(LLError::ELevel level,
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const std::string& message)
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{
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mFile << message << std::endl;
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}
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private:
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llofstream mFile;
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};
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class RecordToStderr : public LLError::Recorder
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{
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public:
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RecordToStderr(bool timestamp) : mUseANSI(ANSI_PROBE)
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{
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mWantsTime = timestamp;
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}
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virtual void recordMessage(LLError::ELevel level,
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const std::string& message)
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{
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if (ANSI_PROBE == mUseANSI)
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mUseANSI = (checkANSI() ? ANSI_YES : ANSI_NO);
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if (ANSI_YES == mUseANSI)
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{
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// Default all message levels to bold so we can distinguish our own messages from those dumped by subprocesses and libraries.
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colorANSI("1"); // bold
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switch (level) {
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case LLError::LEVEL_ERROR:
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colorANSI("31"); // red
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break;
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case LLError::LEVEL_WARN:
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colorANSI("34"); // blue
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break;
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case LLError::LEVEL_DEBUG:
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colorANSI("35"); // magenta
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break;
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default:
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break;
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}
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}
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#ifdef CWDEBUG
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// Include normal logging in libcwd's message processing.
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// This takes care of prefixing with thread ID's, locking
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// and allows us to (temporarily) turn off normal logging
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// output.
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Dout(dc::viewer, message);
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#else
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fprintf(stderr, "%s\n", message.c_str());
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#endif
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#if LL_WINDOWS
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fflush(stderr); //Now using a buffer. flush is required.
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#endif
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if (ANSI_YES == mUseANSI) colorANSI("0"); // reset
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}
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private:
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enum ANSIState
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{
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ANSI_PROBE,
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ANSI_YES,
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ANSI_NO
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} mUseANSI;
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void colorANSI(const std::string color)
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{
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// ANSI color code escape sequence
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fprintf(stderr, "\033[%sm", color.c_str() );
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};
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bool checkANSI(void)
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{
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#if LL_LINUX || LL_DARWIN
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// Check whether it's okay to use ANSI; if stderr is
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// a tty then we assume yes. Can be turned off with
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// the LL_NO_ANSI_COLOR env var.
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return (0 != isatty(2)) &&
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(NULL == getenv("LL_NO_ANSI_COLOR"));
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#endif // LL_LINUX
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return false;
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};
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};
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class RecordToFixedBuffer : public LLError::Recorder
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{
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public:
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RecordToFixedBuffer(LLLineBuffer* buffer) : mBuffer(buffer) { }
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virtual void recordMessage(LLError::ELevel level,
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const std::string& message)
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{
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mBuffer->addLine(message);
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}
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private:
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LLLineBuffer* mBuffer;
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};
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#if LL_WINDOWS
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class RecordToWinDebug: public LLError::Recorder
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{
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public:
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RecordToWinDebug()
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{}
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virtual void recordMessage(LLError::ELevel level,
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const std::string& message)
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{
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debugger_print(message);
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}
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};
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#endif
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}
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namespace
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{
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std::string className(const std::type_info& type)
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{
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#ifdef __GNUC__
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// GCC: type_info::name() returns a mangled class name,st demangle
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// passing nullptr, 0 forces allocation of a unique buffer we can free
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// fixing MAINT-8724 on OSX 10.14
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int status = -1;
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char* name = abi::__cxa_demangle(type.name(), nullptr, 0, &status);
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std::string result(name ? name : type.name());
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free(name);
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return result;
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#elif LL_WINDOWS
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// DevStudio: type_info::name() includes the text "class " at the start
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static const std::string class_prefix = "class ";
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std::string name = type.name();
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std::string::size_type p = name.find(class_prefix);
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if (p == std::string::npos)
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{
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return name;
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}
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return name.substr(p + class_prefix.size());
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#else
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return type.name();
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#endif
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}
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std::string functionName(const std::string& preprocessor_name)
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{
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#if LL_WINDOWS
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// DevStudio: the __FUNCTION__ macro string includes
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// the type and/or namespace prefixes
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std::string::size_type p = preprocessor_name.rfind(':');
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if (p == std::string::npos)
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{
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return preprocessor_name;
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}
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return preprocessor_name.substr(p + 1);
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#else
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return preprocessor_name;
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#endif
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}
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class LogControlFile : public LLLiveFile
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{
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LOG_CLASS(LogControlFile);
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public:
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static LogControlFile& fromDirectory(const std::string& dir);
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virtual bool loadFile();
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private:
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LogControlFile(const std::string &filename)
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: LLLiveFile(filename)
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{ }
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};
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LogControlFile& LogControlFile::fromDirectory(const std::string& dir)
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{
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std::string dirBase = dir + "/";
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// NB: We have no abstraction in llcommon for the "proper"
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// delimiter but it turns out that "/" works on all three platforms
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std::string file = dirBase + "logcontrol-dev.xml";
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llstat stat_info;
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if (LLFile::stat(file, &stat_info)) {
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// NB: stat returns non-zero if it can't read the file, for example
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// if it doesn't exist. LLFile has no better abstraction for
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// testing for file existence.
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file = dirBase + "logcontrol.xml";
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}
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return * new LogControlFile(file);
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// NB: This instance is never freed
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}
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bool LogControlFile::loadFile()
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{
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LLSD configuration;
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{
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llifstream file(filename().c_str());
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if (file.is_open())
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{
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LLSDSerialize::fromXML(configuration, file);
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}
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if (configuration.isUndefined())
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{
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LL_WARNS() << filename() << " missing, ill-formed,"
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" or simply undefined; not changing configuration"
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<< LL_ENDL;
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return false;
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}
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}
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LLError::configure(configuration);
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LL_INFOS() << "logging reconfigured from " << filename() << LL_ENDL;
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return true;
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}
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typedef std::map<std::string, LLError::ELevel> LevelMap;
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typedef std::vector<LLError::RecorderPtr> Recorders;
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typedef std::vector<LLError::CallSite*> CallSiteVector;
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class Globals
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{
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public:
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std::ostringstream messageStream;
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bool messageStreamInUse;
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void addCallSite(LLError::CallSite&);
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void invalidateCallSites();
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static AIThreadSafeSimple<Globals>& get();
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// return the one instance of the globals
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private:
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CallSiteVector callSites;
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friend class AIThreadSafeSimpleDC<Globals>; // Calls constructor.
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friend class AIThreadSafeSimple<Globals>; // Calls destructor.
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Globals();
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};
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Globals::Globals()
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: messageStream(),
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messageStreamInUse(false),
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callSites()
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{
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}
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void Globals::addCallSite(LLError::CallSite& site)
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{
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callSites.push_back(&site);
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}
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void Globals::invalidateCallSites()
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{
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for (CallSiteVector::const_iterator i = callSites.begin();
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i != callSites.end();
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++i)
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{
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(*i)->invalidate();
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}
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callSites.clear();
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}
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AIThreadSafeSimple<Globals>& Globals::get()
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{
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/* This pattern, of returning a reference to a static function
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variable, is to ensure that this global is constructed before
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it is used, no matter what the global initializeation sequence
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is.
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See C++ FAQ Lite, sections 10.12 through 10.14
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*/
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static AIThreadSafeSimpleDCRootPool<Globals>* ts_globals_ptr = new AIThreadSafeSimpleDCRootPool<Globals>;
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return *ts_globals_ptr;
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}
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}
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namespace LLError
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{
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class SettingsConfig : public LLRefCount
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{
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friend class Settings;
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public:
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virtual ~SettingsConfig();
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bool mPrintLocation;
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LLError::ELevel mDefaultLevel;
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LevelMap mFunctionLevelMap;
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LevelMap mClassLevelMap;
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LevelMap mFileLevelMap;
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LevelMap mTagLevelMap;
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std::map<std::string, unsigned int> mUniqueLogMessages;
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LLError::FatalFunction mCrashFunction;
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LLError::TimeFunction mTimeFunction;
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Recorders mRecorders;
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RecorderPtr mFileRecorder;
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RecorderPtr mFixedBufferRecorder;
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std::string mFileRecorderFileName;
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int mShouldLogCallCounter;
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private:
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SettingsConfig();
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};
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typedef LLPointer<SettingsConfig> SettingsConfigPtr;
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class Settings
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{
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public:
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static AIThreadSafeSimple<Settings>& get();
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SettingsConfigPtr getSettingsConfig();
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void reset();
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SettingsStoragePtr saveAndReset();
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void restore(SettingsStoragePtr pSettingsStorage);
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private:
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friend class AIThreadSafeBits<Settings>; // Calls destructor.
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friend class AIThreadSafeSimpleDC<Settings>; // Calls constructor.
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Settings();
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SettingsConfigPtr mSettingsConfig;
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};
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SettingsConfig::SettingsConfig()
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: LLRefCount(),
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mPrintLocation(false),
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mDefaultLevel(LLError::LEVEL_DEBUG),
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mFunctionLevelMap(),
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mClassLevelMap(),
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mFileLevelMap(),
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mTagLevelMap(),
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mUniqueLogMessages(),
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mCrashFunction(NULL),
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mTimeFunction(NULL),
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mRecorders(),
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mFileRecorder(),
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mFixedBufferRecorder(),
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mFileRecorderFileName(),
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mShouldLogCallCounter(0)
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{
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}
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|
SettingsConfig::~SettingsConfig()
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{
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mRecorders.clear();
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}
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|
Settings::Settings()
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: mSettingsConfig(new SettingsConfig())
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{
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}
|
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AIThreadSafeSimple<Settings>& Settings::get()
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|
{
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static AIThreadSafeSimpleDCRootPool<Settings>* ts_globals_ptr = new AIThreadSafeSimpleDCRootPool<Settings>;
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|
return *ts_globals_ptr;
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|
}
|
|
|
|
SettingsConfigPtr Settings::getSettingsConfig()
|
|
{
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return mSettingsConfig;
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}
|
|
|
|
void Settings::reset()
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|
{
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|
AIAccess<Globals>(Globals::get())->invalidateCallSites();
|
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mSettingsConfig = new SettingsConfig();
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}
|
|
|
|
SettingsStoragePtr Settings::saveAndReset()
|
|
{
|
|
SettingsStoragePtr oldSettingsConfig(mSettingsConfig.get());
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reset();
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return oldSettingsConfig;
|
|
}
|
|
|
|
void Settings::restore(SettingsStoragePtr pSettingsStorage)
|
|
{
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|
AIAccess<Globals>(Globals::get())->invalidateCallSites();
|
|
SettingsConfigPtr newSettingsConfig(dynamic_cast<SettingsConfig *>(pSettingsStorage.get()));
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mSettingsConfig = newSettingsConfig;
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|
}
|
|
}
|
|
|
|
namespace LLError
|
|
{
|
|
CallSite::CallSite(ELevel level,
|
|
const char* file,
|
|
int line,
|
|
const std::type_info& class_info,
|
|
const char* function,
|
|
bool printOnce,
|
|
const char** tags,
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|
size_t tag_count)
|
|
: mLevel(level),
|
|
mFile(file),
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|
mLine(line),
|
|
mClassInfo(class_info),
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|
mFunction(function),
|
|
mCached(false),
|
|
mShouldLog(false),
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|
mPrintOnce(printOnce),
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|
mTags(new const char*[tag_count]),
|
|
mTagCount(tag_count)
|
|
{
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|
for (size_t i = 0; i < tag_count; i++)
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|
{
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|
mTags[i] = tags[i];
|
|
}
|
|
|
|
switch (mLevel)
|
|
{
|
|
case LEVEL_DEBUG: mLevelString = "DEBUG:"; break;
|
|
case LEVEL_INFO: mLevelString = "INFO:"; break;
|
|
case LEVEL_WARN: mLevelString = "WARNING:"; break;
|
|
case LEVEL_ERROR: mLevelString = "ERROR:"; break;
|
|
default: mLevelString = "XXX:"; break;
|
|
};
|
|
|
|
mLocationString = llformat("%s(%d) :", abbreviateFile(mFile).c_str(), mLine);
|
|
if (mFunction)
|
|
{
|
|
#if LL_WINDOWS
|
|
// DevStudio: __FUNCTION__ already includes the full class name
|
|
#else
|
|
#if LL_LINUX
|
|
// gross, but typeid comparison seems to always fail here with gcc4.1
|
|
if (0 != strcmp(mClassInfo.name(), typeid(NoClassInfo).name()))
|
|
#else
|
|
if (mClassInfo != typeid(NoClassInfo))
|
|
#endif // LL_LINUX
|
|
{
|
|
mFunctionString = className(mClassInfo) + "::";
|
|
}
|
|
#endif
|
|
mFunctionString += std::string(mFunction) + ":";
|
|
for (size_t i = 0; i < mTagCount; i++)
|
|
{
|
|
mTagString += std::string("#") + mTags[i] + ((i == mTagCount - 1) ? "" : ",");
|
|
}
|
|
}
|
|
}
|
|
|
|
CallSite::~CallSite()
|
|
{
|
|
delete []mTags;
|
|
}
|
|
|
|
void CallSite::invalidate()
|
|
{
|
|
mCached = false;
|
|
}
|
|
}
|
|
|
|
namespace
|
|
{
|
|
bool shouldLogToStderr()
|
|
{
|
|
#if LL_DARWIN
|
|
// On Mac OS X, stderr from apps launched from the Finder goes to the
|
|
// console log. It's generally considered bad form to spam too much
|
|
// there.
|
|
|
|
// If stdin is a tty, assume the user launched from the command line and
|
|
// therefore wants to see stderr. Otherwise, assume we've been launched
|
|
// from the finder and shouldn't spam stderr.
|
|
return isatty(0);
|
|
#else
|
|
return true;
|
|
#endif
|
|
}
|
|
|
|
bool stderrLogWantsTime()
|
|
{
|
|
#if LL_WINDOWS
|
|
return false;
|
|
#else
|
|
return true;
|
|
#endif
|
|
}
|
|
|
|
|
|
void commonInit(const std::string& dir, bool log_to_stderr = true)
|
|
{
|
|
AIAccess<LLError::Settings>(LLError::Settings::get())->reset();
|
|
|
|
LLError::setDefaultLevel(LLError::LEVEL_INFO);
|
|
LLError::setFatalFunction(LLError::crashAndLoop);
|
|
LLError::setTimeFunction(LLError::utcTime);
|
|
|
|
// log_to_stderr is only false in the unit and integration tests to keep builds quieter
|
|
if (log_to_stderr && shouldLogToStderr())
|
|
{
|
|
LLError::RecorderPtr recordToStdErr(new RecordToStderr(stderrLogWantsTime()));
|
|
LLError::addRecorder(recordToStdErr);
|
|
}
|
|
|
|
#if LL_WINDOWS
|
|
LLError::RecorderPtr recordToWinDebug(new RecordToWinDebug());
|
|
LLError::addRecorder(recordToWinDebug);
|
|
#endif
|
|
|
|
LogControlFile& e = LogControlFile::fromDirectory(dir);
|
|
|
|
// NOTE: We want to explicitly load the file before we add it to the event timer
|
|
// that checks for changes to the file. Else, we're not actually loading the file yet,
|
|
// and most of the initialization happens without any attention being paid to the
|
|
// log control file. Not to mention that when it finally gets checked later,
|
|
// all log statements that have been evaluated already become dirty and need to be
|
|
// evaluated for printing again. So, make sure to call checkAndReload()
|
|
// before addToEventTimer().
|
|
e.checkAndReload();
|
|
e.addToEventTimer();
|
|
}
|
|
}
|
|
|
|
namespace LLError
|
|
{
|
|
void initForServer(const std::string& identity)
|
|
{
|
|
std::string dir = "/opt/linden/etc";
|
|
if (LLApp::instance())
|
|
{
|
|
dir = LLApp::instance()->getOption("configdir").asString();
|
|
}
|
|
commonInit(dir);
|
|
#if !LL_WINDOWS
|
|
LLError::RecorderPtr recordToSyslog(new RecordToSyslog(identity));
|
|
addRecorder(recordToSyslog);
|
|
#endif
|
|
}
|
|
|
|
void initForApplication(const std::string& dir, bool log_to_stderr)
|
|
{
|
|
commonInit(dir, log_to_stderr);
|
|
}
|
|
|
|
void setPrintLocation(AIAccess<Settings> const& settings_w, bool print)
|
|
{
|
|
settings_w->getSettingsConfig()->mPrintLocation = print;
|
|
}
|
|
|
|
void setPrintLocation(bool print)
|
|
{
|
|
setPrintLocation(AIAccess<Settings>(Settings::get()), print);
|
|
}
|
|
|
|
void setFatalFunction(const FatalFunction& f)
|
|
{
|
|
AIAccess<Settings>(Settings::get())->getSettingsConfig()->mCrashFunction = f;
|
|
}
|
|
|
|
FatalFunction getFatalFunction()
|
|
{
|
|
return AIAccess<Settings>(Settings::get())->getSettingsConfig()->mCrashFunction;
|
|
}
|
|
|
|
void setTimeFunction(TimeFunction f)
|
|
{
|
|
AIAccess<Settings>(Settings::get())->getSettingsConfig()->mTimeFunction = f;
|
|
}
|
|
|
|
void setDefaultLevel(AIAccess<Settings> const& settings_w, ELevel level)
|
|
{
|
|
AIAccess<Globals>(Globals::get())->invalidateCallSites();
|
|
settings_w->getSettingsConfig()->mDefaultLevel = level;
|
|
}
|
|
|
|
void setDefaultLevel(ELevel level)
|
|
{
|
|
setDefaultLevel(AIAccess<Settings>(Settings::get()), level);
|
|
}
|
|
|
|
void setFunctionLevel(const std::string& function_name, ELevel level)
|
|
{
|
|
AIAccess<Globals>(Globals::get())->invalidateCallSites();
|
|
AIAccess<Settings>(Settings::get())->getSettingsConfig()->mFunctionLevelMap[function_name] = level;
|
|
}
|
|
|
|
void setClassLevel(const std::string& class_name, ELevel level)
|
|
{
|
|
AIAccess<Globals>(Globals::get())->invalidateCallSites();
|
|
AIAccess<Settings>(Settings::get())->getSettingsConfig()->mClassLevelMap[class_name] = level;
|
|
}
|
|
|
|
void setFileLevel(const std::string& file_name, ELevel level)
|
|
{
|
|
AIAccess<Globals>(Globals::get())->invalidateCallSites();
|
|
AIAccess<Settings>(Settings::get())->getSettingsConfig()->mFileLevelMap[file_name] = level;
|
|
}
|
|
|
|
void setTagLevel(const std::string& tag_name, ELevel level)
|
|
{
|
|
AIAccess<Globals>(Globals::get())->invalidateCallSites();
|
|
AIAccess<Settings>(Settings::get())->getSettingsConfig()->mTagLevelMap[tag_name] = level;
|
|
}
|
|
|
|
LLError::ELevel decodeLevel(std::string name)
|
|
{
|
|
static LevelMap level_names;
|
|
if (level_names.empty())
|
|
{
|
|
level_names["ALL"] = LLError::LEVEL_ALL;
|
|
level_names["DEBUG"] = LLError::LEVEL_DEBUG;
|
|
level_names["INFO"] = LLError::LEVEL_INFO;
|
|
level_names["WARN"] = LLError::LEVEL_WARN;
|
|
level_names["ERROR"] = LLError::LEVEL_ERROR;
|
|
level_names["NONE"] = LLError::LEVEL_NONE;
|
|
}
|
|
|
|
std::transform(name.begin(), name.end(), name.begin(), toupper);
|
|
|
|
LevelMap::const_iterator i = level_names.find(name);
|
|
if (i == level_names.end())
|
|
{
|
|
LL_WARNS() << "unrecognized logging level: '" << name << "'" << LL_ENDL;
|
|
return LLError::LEVEL_INFO;
|
|
}
|
|
|
|
return i->second;
|
|
}
|
|
}
|
|
|
|
namespace {
|
|
void setLevels(LevelMap& map, const LLSD& list, LLError::ELevel level)
|
|
{
|
|
LLSD::array_const_iterator i, end;
|
|
for (i = list.beginArray(), end = list.endArray(); i != end; ++i)
|
|
{
|
|
map[*i] = level;
|
|
}
|
|
}
|
|
}
|
|
|
|
namespace LLError
|
|
{
|
|
void configure(const LLSD& config)
|
|
{
|
|
AIAccess<Settings> settings_w(Settings::get());
|
|
AIAccess<Globals>(Globals::get())->invalidateCallSites();
|
|
SettingsConfigPtr s = settings_w->getSettingsConfig();
|
|
|
|
s->mFunctionLevelMap.clear();
|
|
s->mClassLevelMap.clear();
|
|
s->mFileLevelMap.clear();
|
|
s->mTagLevelMap.clear();
|
|
s->mUniqueLogMessages.clear();
|
|
|
|
setPrintLocation(settings_w, config["print-location"]);
|
|
setDefaultLevel(settings_w, decodeLevel(config["default-level"]));
|
|
|
|
LLSD sets = config["settings"];
|
|
LLSD::array_const_iterator a, end;
|
|
for (a = sets.beginArray(), end = sets.endArray(); a != end; ++a)
|
|
{
|
|
const LLSD& entry = *a;
|
|
|
|
ELevel level = decodeLevel(entry["level"]);
|
|
|
|
setLevels(s->mFunctionLevelMap, entry["functions"], level);
|
|
setLevels(s->mClassLevelMap, entry["classes"], level);
|
|
setLevels(s->mFileLevelMap, entry["files"], level);
|
|
setLevels(s->mTagLevelMap, entry["tags"], level);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
namespace LLError
|
|
{
|
|
Recorder::Recorder()
|
|
: mWantsTime(false),
|
|
mWantsTags(false),
|
|
mWantsLevel(true),
|
|
mWantsLocation(false),
|
|
mWantsFunctionName(true)
|
|
{
|
|
}
|
|
|
|
Recorder::~Recorder()
|
|
{
|
|
}
|
|
|
|
bool Recorder::wantsTime()
|
|
{
|
|
return mWantsTime;
|
|
}
|
|
|
|
// virtual
|
|
bool Recorder::wantsTags()
|
|
{
|
|
return mWantsTags;
|
|
}
|
|
|
|
// virtual
|
|
bool Recorder::wantsLevel()
|
|
{
|
|
return mWantsLevel;
|
|
}
|
|
|
|
// virtual
|
|
bool Recorder::wantsLocation()
|
|
{
|
|
return mWantsLocation;
|
|
}
|
|
|
|
// virtual
|
|
bool Recorder::wantsFunctionName()
|
|
{
|
|
return mWantsFunctionName;
|
|
}
|
|
|
|
void addRecorder(AIAccess<Settings> const& settings_w, RecorderPtr recorder)
|
|
{
|
|
if (!recorder)
|
|
{
|
|
return;
|
|
}
|
|
SettingsConfigPtr s = settings_w->getSettingsConfig();
|
|
s->mRecorders.push_back(recorder);
|
|
}
|
|
|
|
void addRecorder(RecorderPtr recorder)
|
|
{
|
|
addRecorder(AIAccess<Settings>(Settings::get()), recorder);
|
|
}
|
|
|
|
void removeRecorder(AIAccess<Settings> const& settings_w, RecorderPtr recorder)
|
|
{
|
|
if (!recorder)
|
|
{
|
|
return;
|
|
}
|
|
SettingsConfigPtr s = settings_w->getSettingsConfig();
|
|
s->mRecorders.erase(std::remove(s->mRecorders.begin(), s->mRecorders.end(), recorder),
|
|
s->mRecorders.end());
|
|
}
|
|
|
|
void removeRecorder(RecorderPtr recorder)
|
|
{
|
|
removeRecorder(AIAccess<Settings>(Settings::get()), recorder);
|
|
}
|
|
}
|
|
|
|
namespace LLError
|
|
{
|
|
void logToFile(const std::string& file_name)
|
|
{
|
|
AIAccess<Settings> settings_w(Settings::get());
|
|
SettingsConfigPtr s = settings_w->getSettingsConfig();
|
|
|
|
removeRecorder(s->mFileRecorder);
|
|
s->mFileRecorder.reset();
|
|
s->mFileRecorderFileName.clear();
|
|
|
|
if (file_name.empty())
|
|
{
|
|
return;
|
|
}
|
|
|
|
RecorderPtr recordToFile(new RecordToFile(file_name));
|
|
if (boost::dynamic_pointer_cast<RecordToFile>(recordToFile)->okay())
|
|
{
|
|
s->mFileRecorderFileName = file_name;
|
|
s->mFileRecorder = recordToFile;
|
|
addRecorder(recordToFile);
|
|
}
|
|
}
|
|
|
|
void logToFixedBuffer(LLLineBuffer* fixedBuffer)
|
|
{
|
|
AIAccess<Settings> settings_w(Settings::get());
|
|
SettingsConfigPtr s = settings_w->getSettingsConfig();
|
|
|
|
removeRecorder(s->mFixedBufferRecorder);
|
|
s->mFixedBufferRecorder.reset();
|
|
|
|
if (!fixedBuffer)
|
|
{
|
|
return;
|
|
}
|
|
|
|
RecorderPtr recordToFixedBuffer(new RecordToFixedBuffer(fixedBuffer));
|
|
s->mFixedBufferRecorder = recordToFixedBuffer;
|
|
addRecorder(recordToFixedBuffer);
|
|
}
|
|
|
|
std::string logFileName()
|
|
{
|
|
AIAccess<Settings> settings_w(Settings::get());
|
|
SettingsConfigPtr s = settings_w->getSettingsConfig();
|
|
return s->mFileRecorderFileName;
|
|
}
|
|
}
|
|
|
|
namespace
|
|
{
|
|
void writeToRecorders(AIAccess<LLError::Settings>& settings_w, const LLError::CallSite& site, const std::string& message, bool show_location = true, bool show_time = true, bool show_tags = true, bool show_level = true, bool show_function = true)
|
|
{
|
|
LLError::ELevel level = site.mLevel;
|
|
LLError::SettingsConfigPtr s = settings_w->getSettingsConfig();
|
|
|
|
for (Recorders::const_iterator i = s->mRecorders.begin();
|
|
i != s->mRecorders.end();
|
|
++i)
|
|
{
|
|
LLError::RecorderPtr r = *i;
|
|
|
|
std::ostringstream message_stream;
|
|
|
|
if (show_location && (r->wantsLocation() || level == LLError::LEVEL_ERROR || s->mPrintLocation))
|
|
{
|
|
message_stream << site.mLocationString << " ";
|
|
}
|
|
|
|
if (show_time && r->wantsTime() && s->mTimeFunction != NULL)
|
|
{
|
|
message_stream << s->mTimeFunction() << " ";
|
|
}
|
|
|
|
if (show_level && r->wantsLevel())
|
|
{
|
|
message_stream << site.mLevelString;
|
|
}
|
|
|
|
if (show_tags && r->wantsTags())
|
|
{
|
|
message_stream << site.mTagString;
|
|
}
|
|
|
|
if ((show_level && r->wantsLevel())||
|
|
(show_tags && r->wantsTags()))
|
|
{
|
|
message_stream << " ";
|
|
}
|
|
|
|
if (show_function && r->wantsFunctionName())
|
|
{
|
|
message_stream << site.mFunctionString << " ";
|
|
}
|
|
|
|
message_stream << message;
|
|
|
|
r->recordMessage(level, message_stream.str());
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
LLGlobalMutex gLogMutex;
|
|
LLGlobalMutex gCallStacksLogMutex;
|
|
|
|
namespace {
|
|
bool checkLevelMap(const LevelMap& map, const std::string& key,
|
|
LLError::ELevel& level)
|
|
{
|
|
bool stop_checking;
|
|
LevelMap::const_iterator i = map.find(key);
|
|
if (i == map.end())
|
|
{
|
|
return stop_checking = false;
|
|
}
|
|
|
|
level = i->second;
|
|
return stop_checking = true;
|
|
}
|
|
|
|
bool checkLevelMap( const LevelMap& map,
|
|
const char *const * keys,
|
|
size_t count,
|
|
LLError::ELevel& level)
|
|
{
|
|
bool found_level = false;
|
|
|
|
LLError::ELevel tag_level = LLError::LEVEL_NONE;
|
|
|
|
for (size_t i = 0; i < count; i++)
|
|
{
|
|
LevelMap::const_iterator it = map.find(keys[i]);
|
|
if (it != map.end())
|
|
{
|
|
found_level = true;
|
|
tag_level = llmin(tag_level, it->second);
|
|
}
|
|
}
|
|
|
|
if (found_level)
|
|
{
|
|
level = tag_level;
|
|
}
|
|
return found_level;
|
|
}
|
|
|
|
class LogLock
|
|
{
|
|
public:
|
|
LogLock();
|
|
~LogLock();
|
|
bool ok() const { return mOK; }
|
|
private:
|
|
bool mLocked;
|
|
bool mOK;
|
|
};
|
|
|
|
LogLock::LogLock()
|
|
: mLocked(false), mOK(false)
|
|
{
|
|
if (!gLogMutex.isInitalized())
|
|
{
|
|
mOK = true;
|
|
return;
|
|
}
|
|
|
|
const int MAX_RETRIES = 5;
|
|
for (int attempts = 0; attempts < MAX_RETRIES; ++attempts)
|
|
{
|
|
if (gLogMutex.try_lock())
|
|
{
|
|
mLocked = true;
|
|
mOK = true;
|
|
return;
|
|
}
|
|
|
|
ms_sleep(1);
|
|
//apr_thread_yield();
|
|
// Just yielding won't necessarily work, I had problems with
|
|
// this on Linux - doug 12/02/04
|
|
}
|
|
|
|
// We're hosed, we can't get the mutex. Blah.
|
|
std::cerr << "LogLock::LogLock: failed to get mutex for log"
|
|
<< std::endl;
|
|
}
|
|
|
|
LogLock::~LogLock()
|
|
{
|
|
if (mLocked)
|
|
{
|
|
gLogMutex.unlock();
|
|
}
|
|
}
|
|
}
|
|
|
|
namespace LLError
|
|
{
|
|
bool Log::shouldLog(CallSite& site)
|
|
{
|
|
LogLock lock;
|
|
if (!lock.ok())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
AIAccess<Settings> settings_w(Settings::get());
|
|
SettingsConfigPtr s = settings_w->getSettingsConfig();
|
|
|
|
s->mShouldLogCallCounter++;
|
|
|
|
const std::string& class_name = className(site.mClassInfo);
|
|
std::string function_name;
|
|
if (site.mFunction)
|
|
{
|
|
function_name = functionName(site.mFunction);
|
|
#if LL_LINUX
|
|
// gross, but typeid comparison seems to always fail here with gcc4.1
|
|
if (0 != strcmp(site.mClassInfo.name(), typeid(NoClassInfo).name()))
|
|
#else
|
|
if (site.mClassInfo != typeid(NoClassInfo))
|
|
#endif // LL_LINUX
|
|
{
|
|
function_name = class_name + "::" + function_name;
|
|
}
|
|
}
|
|
|
|
ELevel compareLevel = s->mDefaultLevel;
|
|
|
|
// The most specific match found will be used as the log level,
|
|
// since the computation short circuits.
|
|
// So, in increasing order of importance:
|
|
// Default < Tags < File < Class < Function
|
|
checkLevelMap(s->mFunctionLevelMap, function_name, compareLevel)
|
|
|| checkLevelMap(s->mClassLevelMap, class_name, compareLevel)
|
|
|| checkLevelMap(s->mFileLevelMap, abbreviateFile(site.mFile), compareLevel)
|
|
|| (site.mTagCount > 0
|
|
? checkLevelMap(s->mTagLevelMap, site.mTags, site.mTagCount, compareLevel)
|
|
: false);
|
|
|
|
site.mCached = true;
|
|
AIAccess<Globals>(Globals::get())->addCallSite(site);
|
|
return site.mShouldLog = site.mLevel >= compareLevel;
|
|
}
|
|
|
|
|
|
std::ostringstream* Log::out()
|
|
{
|
|
LogLock lock;
|
|
if (lock.ok())
|
|
{
|
|
AIAccess<Globals> g(Globals::get());
|
|
|
|
if (!g->messageStreamInUse)
|
|
{
|
|
g->messageStreamInUse = true;
|
|
return &g->messageStream;
|
|
}
|
|
}
|
|
|
|
return new std::ostringstream;
|
|
}
|
|
|
|
void Log::flush(std::ostringstream* out, char* message)
|
|
{
|
|
LogLock lock;
|
|
if (!lock.ok())
|
|
{
|
|
return;
|
|
}
|
|
|
|
if(strlen(out->str().c_str()) < 128)
|
|
{
|
|
strcpy(message, out->str().c_str());
|
|
}
|
|
else
|
|
{
|
|
strncpy(message, out->str().c_str(), 127);
|
|
message[127] = '\0' ;
|
|
}
|
|
|
|
AIAccess<Globals> g(Globals::get());
|
|
if (out == &g->messageStream)
|
|
{
|
|
g->messageStream.clear();
|
|
g->messageStream.str("");
|
|
g->messageStreamInUse = false;
|
|
}
|
|
else
|
|
{
|
|
delete out;
|
|
}
|
|
return ;
|
|
}
|
|
|
|
void Log::flush(std::ostringstream* out, const CallSite& site)
|
|
{
|
|
LogLock lock;
|
|
if (!lock.ok())
|
|
{
|
|
return;
|
|
}
|
|
|
|
std::string message = out->str();
|
|
{
|
|
AIAccess<Globals> g(Globals::get());
|
|
if (out == &g->messageStream)
|
|
{
|
|
g->messageStream.clear();
|
|
g->messageStream.str("");
|
|
g->messageStreamInUse = false;
|
|
}
|
|
else
|
|
{
|
|
delete out;
|
|
}
|
|
}
|
|
|
|
AIAccess<Settings> settings_w(Settings::get());
|
|
SettingsConfigPtr s = settings_w->getSettingsConfig();
|
|
|
|
if (site.mLevel == LEVEL_ERROR)
|
|
{
|
|
writeToRecorders(settings_w, site, "error", true, true, true, false, false);
|
|
}
|
|
|
|
std::ostringstream message_stream;
|
|
|
|
bool need_function = site.mFunction;
|
|
if (need_function && !site.mTagString.empty())
|
|
{
|
|
#if LL_DEBUG
|
|
// Suppress printing mFunction if mBroadTag is set, starts with
|
|
// "Plugin " and ends with "child": a debug message from a plugin.
|
|
size_t taglen = site.mTagString.length();
|
|
if (taglen >= 12 && strncmp(site.mTagString.c_str(), "Plugin ", 7) == 0 &&
|
|
strcmp(site.mTagString.c_str() + taglen - 5, "child") == 0)
|
|
{
|
|
need_function = false;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
if (site.mPrintOnce)
|
|
{
|
|
std::map<std::string, unsigned int>::iterator messageIter = s->mUniqueLogMessages.find(message);
|
|
if (messageIter != s->mUniqueLogMessages.end())
|
|
{
|
|
messageIter->second++;
|
|
unsigned int num_messages = messageIter->second;
|
|
if (num_messages == 10 || num_messages == 50 || (num_messages % 100) == 0)
|
|
{
|
|
message_stream << "ONCE (" << num_messages << "th time seen): ";
|
|
}
|
|
else
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
message_stream << "ONCE: ";
|
|
s->mUniqueLogMessages[message] = 1;
|
|
}
|
|
}
|
|
|
|
message_stream << message;
|
|
|
|
writeToRecorders(settings_w, site, message_stream.str(), true, true, true, true, need_function);
|
|
|
|
if (site.mLevel == LEVEL_ERROR && s->mCrashFunction)
|
|
{
|
|
s->mCrashFunction(message_stream.str());
|
|
}
|
|
}
|
|
}
|
|
|
|
namespace LLError
|
|
{
|
|
SettingsStoragePtr saveAndResetSettings()
|
|
{
|
|
return AIAccess<Settings>(Settings::get())->saveAndReset();
|
|
}
|
|
|
|
void restoreSettings(SettingsStoragePtr pSettingsStorage)
|
|
{
|
|
return AIAccess<Settings>(Settings::get())->restore(pSettingsStorage);
|
|
}
|
|
|
|
std::string removePrefix(std::string& s, const std::string& p)
|
|
{
|
|
std::string::size_type where = s.find(p);
|
|
if (where == std::string::npos)
|
|
{
|
|
return s;
|
|
}
|
|
|
|
return std::string(s, where + p.size());
|
|
}
|
|
|
|
void replaceChar(std::string& s, char old, char replacement)
|
|
{
|
|
std::string::size_type i = 0;
|
|
std::string::size_type len = s.length();
|
|
for ( ; i < len; i++ )
|
|
{
|
|
if (s[i] == old)
|
|
{
|
|
s[i] = replacement;
|
|
}
|
|
}
|
|
}
|
|
|
|
std::string abbreviateFile(const std::string& filePath)
|
|
{
|
|
std::string f = filePath;
|
|
#if LL_WINDOWS
|
|
replaceChar(f, '\\', '/');
|
|
#endif
|
|
static std::string indra_prefix = "indra/";
|
|
f = removePrefix(f, indra_prefix);
|
|
|
|
#if LL_DARWIN
|
|
static std::string newview_prefix = "newview/../";
|
|
f = removePrefix(f, newview_prefix);
|
|
#endif
|
|
|
|
return f;
|
|
}
|
|
|
|
int shouldLogCallCount()
|
|
{
|
|
AIAccess<Settings> settings_w(Settings::get());
|
|
SettingsConfigPtr s = settings_w->getSettingsConfig();
|
|
return s->mShouldLogCallCounter;
|
|
}
|
|
|
|
#if LL_WINDOWS
|
|
// VC80 was optimizing the error away.
|
|
#pragma optimize("", off)
|
|
#endif
|
|
void crashAndLoop(const std::string& message)
|
|
{
|
|
#ifdef CWDEBUG
|
|
DoutFatal(dc::core, message);
|
|
#else
|
|
// Now, we go kaboom!
|
|
int* make_me_crash = NULL;
|
|
|
|
*make_me_crash = 0;
|
|
|
|
while(true)
|
|
{
|
|
// Loop forever, in case the crash didn't work?
|
|
}
|
|
|
|
// this is an attempt to let Coverity and other semantic scanners know that this function won't be returning ever.
|
|
exit(EXIT_FAILURE);
|
|
#endif
|
|
}
|
|
#if LL_WINDOWS
|
|
#pragma optimize("", on)
|
|
#endif
|
|
|
|
std::string utcTime()
|
|
{
|
|
time_t now = time(NULL);
|
|
const size_t BUF_SIZE = 64;
|
|
char time_str[BUF_SIZE]; /* Flawfinder: ignore */
|
|
|
|
int chars = strftime(time_str, BUF_SIZE,
|
|
"%Y-%m-%dT%H:%M:%SZ",
|
|
gmtime(&now));
|
|
|
|
return chars ? time_str : "time error";
|
|
}
|
|
}
|
|
|
|
namespace LLError
|
|
{
|
|
char** LLCallStacks::sBuffer = NULL;
|
|
S32 LLCallStacks::sIndex = 0;
|
|
|
|
#define SINGLE_THREADED 1
|
|
|
|
class CallStacksLogLock
|
|
{
|
|
public:
|
|
CallStacksLogLock();
|
|
~CallStacksLogLock();
|
|
|
|
#if SINGLE_THREADED
|
|
bool ok() const { return true; }
|
|
#else
|
|
bool ok() const { return mOK; }
|
|
private:
|
|
bool mLocked;
|
|
bool mOK;
|
|
#endif
|
|
};
|
|
|
|
#if SINGLE_THREADED
|
|
CallStacksLogLock::CallStacksLogLock()
|
|
{
|
|
}
|
|
CallStacksLogLock::~CallStacksLogLock()
|
|
{
|
|
}
|
|
#else
|
|
CallStacksLogLock::CallStacksLogLock()
|
|
: mLocked(false), mOK(false)
|
|
{
|
|
if (!gCallStacksLogMutex.isInitalized())
|
|
{
|
|
mOK = true;
|
|
return;
|
|
}
|
|
|
|
const int MAX_RETRIES = 5;
|
|
for (int attempts = 0; attempts < MAX_RETRIES; ++attempts)
|
|
{
|
|
if (gCallStacksLogMutex.try_lock())
|
|
{
|
|
mLocked = true;
|
|
mOK = true;
|
|
return;
|
|
}
|
|
|
|
ms_sleep(1);
|
|
}
|
|
|
|
// We're hosed, we can't get the mutex. Blah.
|
|
std::cerr << "CallStacksLogLock::CallStacksLogLock: failed to get mutex for log"
|
|
<< std::endl;
|
|
}
|
|
|
|
CallStacksLogLock::~CallStacksLogLock()
|
|
{
|
|
if (mLocked)
|
|
{
|
|
gCallStacksLogMutex.unlock();
|
|
}
|
|
}
|
|
#endif
|
|
|
|
//static
|
|
void LLCallStacks::allocateStackBuffer()
|
|
{
|
|
if(sBuffer == NULL)
|
|
{
|
|
sBuffer = new char*[512] ;
|
|
sBuffer[0] = new char[512 * 128] ;
|
|
for(S32 i = 1 ; i < 512 ; i++)
|
|
{
|
|
sBuffer[i] = sBuffer[i-1] + 128 ;
|
|
}
|
|
sIndex = 0 ;
|
|
}
|
|
}
|
|
|
|
void LLCallStacks::freeStackBuffer()
|
|
{
|
|
if(sBuffer != NULL)
|
|
{
|
|
delete [] sBuffer[0] ;
|
|
delete [] sBuffer ;
|
|
sBuffer = NULL ;
|
|
}
|
|
}
|
|
|
|
//static
|
|
void LLCallStacks::push(const char* function, const int line)
|
|
{
|
|
CallStacksLogLock lock;
|
|
if (!lock.ok())
|
|
{
|
|
return;
|
|
}
|
|
|
|
if(sBuffer == NULL)
|
|
{
|
|
allocateStackBuffer();
|
|
}
|
|
|
|
if(sIndex > 511)
|
|
{
|
|
clear() ;
|
|
}
|
|
|
|
strcpy(sBuffer[sIndex], function) ;
|
|
sprintf(sBuffer[sIndex] + strlen(function), " line: %d ", line) ;
|
|
sIndex++ ;
|
|
|
|
return ;
|
|
}
|
|
|
|
//static
|
|
std::ostringstream* LLCallStacks::insert(const char* function, const int line)
|
|
{
|
|
std::ostringstream* _out = LLError::Log::out();
|
|
*_out << function << " line " << line << " " ;
|
|
|
|
return _out ;
|
|
}
|
|
|
|
//static
|
|
void LLCallStacks::end(std::ostringstream* _out)
|
|
{
|
|
CallStacksLogLock lock;
|
|
if (!lock.ok())
|
|
{
|
|
return;
|
|
}
|
|
|
|
if(sBuffer == NULL)
|
|
{
|
|
allocateStackBuffer();
|
|
}
|
|
|
|
if(sIndex > 511)
|
|
{
|
|
clear() ;
|
|
}
|
|
|
|
LLError::Log::flush(_out, sBuffer[sIndex++]) ;
|
|
}
|
|
|
|
//static
|
|
void LLCallStacks::print()
|
|
{
|
|
CallStacksLogLock lock;
|
|
if (!lock.ok())
|
|
{
|
|
return;
|
|
}
|
|
|
|
if(sIndex > 0)
|
|
{
|
|
LL_INFOS() << " ************* PRINT OUT LL CALL STACKS ************* " << LL_ENDL;
|
|
while(sIndex > 0)
|
|
{
|
|
sIndex-- ;
|
|
LL_INFOS() << sBuffer[sIndex] << LL_ENDL;
|
|
}
|
|
LL_INFOS() << " *************** END OF LL CALL STACKS *************** " << LL_ENDL;
|
|
}
|
|
|
|
if(sBuffer != NULL)
|
|
{
|
|
freeStackBuffer();
|
|
}
|
|
}
|
|
|
|
//static
|
|
void LLCallStacks::clear()
|
|
{
|
|
sIndex = 0 ;
|
|
}
|
|
|
|
//static
|
|
void LLCallStacks::cleanup()
|
|
{
|
|
freeStackBuffer();
|
|
}
|
|
}
|
|
|