From 1f66d719f2cbbcb144b5080c89dd73fcae261798 Mon Sep 17 00:00:00 2001
From: StormBytePP <stormbyte@gmail.com>
Date: Sat, 15 Aug 2015 02:19:10 +0200
Subject: Core/BuildSystem: Merge collision, debugging, threading, utilities
 and configuration into "common" which does not depend on shared anymore and
 moved database out of shared library These changes enables to build tools
 only without even having MySQL installed

---
 src/common/Logging/AppenderFile.cpp | 124 ++++++++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 src/common/Logging/AppenderFile.cpp

(limited to 'src/common/Logging/AppenderFile.cpp')

diff --git a/src/common/Logging/AppenderFile.cpp b/src/common/Logging/AppenderFile.cpp
new file mode 100644
index 00000000000..d33818626fe
--- /dev/null
+++ b/src/common/Logging/AppenderFile.cpp
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "AppenderFile.h"
+#include "Common.h"
+#include "StringFormat.h"
+#include "Log.h"
+
+#if PLATFORM == PLATFORM_WINDOWS
+# include <Windows.h>
+#endif
+
+AppenderFile::AppenderFile(uint8 id, std::string const& name, LogLevel level, AppenderFlags flags, ExtraAppenderArgs extraArgs) :
+    Appender(id, name, level, flags),
+    logfile(NULL),
+    _logDir(sLog->GetLogsDir()),
+    _fileSize(0)
+{
+    if (extraArgs.empty())
+        throw InvalidAppenderArgsException(Trinity::StringFormat("Log::CreateAppenderFromConfig: Missing file name for appender %s\n", name.c_str()));
+
+    _fileName = extraArgs[0];
+
+    char const* mode = "a";
+    if (extraArgs.size() > 1)
+        mode = extraArgs[1];
+
+    if (flags & APPENDER_FLAGS_USE_TIMESTAMP)
+    {
+        size_t dot_pos = _fileName.find_last_of(".");
+        if (dot_pos != std::string::npos)
+            _fileName.insert(dot_pos, sLog->GetLogsTimestamp());
+        else
+            _fileName += sLog->GetLogsTimestamp();
+    }
+
+    if (extraArgs.size() > 2)
+        _maxFileSize = atoi(extraArgs[2]);
+
+    _dynamicName = std::string::npos != _fileName.find("%s");
+    _backup = (flags & APPENDER_FLAGS_MAKE_FILE_BACKUP) != 0;
+
+    if (!_dynamicName)
+        logfile = OpenFile(_fileName, mode, !strcmp(mode, "w") && _backup);
+}
+
+AppenderFile::~AppenderFile()
+{
+    CloseFile();
+}
+
+void AppenderFile::_write(LogMessage const* message)
+{
+    bool exceedMaxSize = _maxFileSize > 0 && (_fileSize.load() + message->Size()) > _maxFileSize;
+
+    if (_dynamicName)
+    {
+        char namebuf[TRINITY_PATH_MAX];
+        snprintf(namebuf, TRINITY_PATH_MAX, _fileName.c_str(), message->param1.c_str());
+        // always use "a" with dynamic name otherwise it could delete the log we wrote in last _write() call
+        FILE* file = OpenFile(namebuf, "a", _backup || exceedMaxSize);
+        if (!file)
+            return;
+        fprintf(file, "%s%s\n", message->prefix.c_str(), message->text.c_str());
+        fflush(file);
+        _fileSize += uint64(message->Size());
+        fclose(file);
+        return;
+    }
+    else if (exceedMaxSize)
+        logfile = OpenFile(_fileName, "w", true);
+
+    if (!logfile)
+        return;
+
+    fprintf(logfile, "%s%s\n", message->prefix.c_str(), message->text.c_str());
+    fflush(logfile);
+    _fileSize += uint64(message->Size());
+}
+
+FILE* AppenderFile::OpenFile(std::string const& filename, std::string const& mode, bool backup)
+{
+    std::string fullName(_logDir + filename);
+    if (backup)
+    {
+        CloseFile();
+        std::string newName(fullName);
+        newName.push_back('.');
+        newName.append(LogMessage::getTimeStr(time(NULL)));
+        std::replace(newName.begin(), newName.end(), ':', '-');
+        rename(fullName.c_str(), newName.c_str()); // no error handling... if we couldn't make a backup, just ignore
+    }
+
+    if (FILE* ret = fopen(fullName.c_str(), mode.c_str()))
+    {
+        _fileSize = ftell(ret);
+        return ret;
+    }
+
+    return NULL;
+}
+
+void AppenderFile::CloseFile()
+{
+    if (logfile)
+    {
+        fclose(logfile);
+        logfile = NULL;
+    }
+}
-- 
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