FreeRDP/winpr/libwinpr/utils/wlog/FileAppender.c

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/**
* WinPR: Windows Portable Runtime
* WinPR Logger
*
* Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <winpr/crt.h>
#include <winpr/file.h>
#include <winpr/path.h>
#include <winpr/thread.h>
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#include <winpr/wlog.h>
#include "wlog/Message.h"
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#include "wlog/FileAppender.h"
/**
* File Appender
*/
void WLog_FileAppender_SetOutputFileName(wLog* log, wLogFileAppender* appender, const char* filename)
{
if (!appender)
return;
if (appender->Type != WLOG_APPENDER_FILE)
return;
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if (!filename)
return;
appender->FileName = _strdup(filename);
}
void WLog_FileAppender_SetOutputFilePath(wLog* log, wLogFileAppender* appender, const char* filepath)
{
if (!appender)
return;
if (appender->Type != WLOG_APPENDER_FILE)
return;
if (!filepath)
return;
appender->FilePath = _strdup(filepath);
}
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int WLog_FileAppender_Open(wLog* log, wLogFileAppender* appender)
{
if (!log || !appender)
return -1;
if (!appender->FilePath)
{
appender->FilePath = GetKnownSubPath(KNOWN_PATH_TEMP, "wlog");
if (!appender->FilePath)
return -1;
}
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if (!appender->FileName)
{
appender->FileName = (char*) malloc(MAX_PATH);
if (!appender->FileName)
return -1;
sprintf_s(appender->FileName, MAX_PATH, "%u.log", (unsigned int) GetCurrentProcessId());
}
if (!appender->FullFileName)
{
appender->FullFileName = GetCombinedPath(appender->FilePath, appender->FileName);
if (!appender->FullFileName)
return -1;
}
if (!PathFileExistsA(appender->FilePath))
{
if (!CreateDirectoryA(appender->FilePath, 0))
return -1;
UnixChangeFileMode(appender->FilePath, 0xFFFF);
}
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appender->FileDescriptor = fopen(appender->FullFileName, "a+");
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if (!appender->FileDescriptor)
return -1;
return 0;
}
int WLog_FileAppender_Close(wLog* log, wLogFileAppender* appender)
{
if (!log || !appender)
return -1;
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if (!appender->FileDescriptor)
return 0;
fclose(appender->FileDescriptor);
appender->FileDescriptor = NULL;
return 0;
}
int WLog_FileAppender_WriteMessage(wLog* log, wLogFileAppender* appender, wLogMessage* message)
{
FILE* fp;
char prefix[WLOG_MAX_PREFIX_SIZE];
if (!log || !appender || !message)
return -1;
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fp = appender->FileDescriptor;
if (!fp)
return -1;
message->PrefixString = prefix;
WLog_Layout_GetMessagePrefix(log, appender->Layout, message);
fprintf(fp, "%s%s\n", message->PrefixString, message->TextString);
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fflush(fp); /* slow! */
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return 1;
}
static int g_DataId = 0;
int WLog_FileAppender_WriteDataMessage(wLog* log, wLogFileAppender* appender, wLogMessage* message)
{
int DataId;
char* FullFileName;
if (!log || !appender || !message)
return -1;
DataId = g_DataId++;
FullFileName = WLog_Message_GetOutputFileName(DataId, "dat");
WLog_DataMessage_Write(FullFileName, message->Data, message->Length);
free(FullFileName);
return DataId;
}
static int g_ImageId = 0;
int WLog_FileAppender_WriteImageMessage(wLog* log, wLogFileAppender* appender, wLogMessage* message)
{
int ImageId;
char* FullFileName;
if (!log || !appender || !message)
return -1;
ImageId = g_ImageId++;
FullFileName = WLog_Message_GetOutputFileName(ImageId, "bmp");
WLog_ImageMessage_Write(FullFileName, message->ImageData,
message->ImageWidth, message->ImageHeight, message->ImageBpp);
free(FullFileName);
return ImageId;
}
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wLogFileAppender* WLog_FileAppender_New(wLog* log)
{
wLogFileAppender* FileAppender;
FileAppender = (wLogFileAppender*) malloc(sizeof(wLogFileAppender));
if (FileAppender)
{
ZeroMemory(FileAppender, sizeof(wLogFileAppender));
FileAppender->Type = WLOG_APPENDER_FILE;
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FileAppender->Open = (WLOG_APPENDER_OPEN_FN) WLog_FileAppender_Open;
FileAppender->Close = (WLOG_APPENDER_OPEN_FN) WLog_FileAppender_Close;
FileAppender->WriteMessage =
(WLOG_APPENDER_WRITE_MESSAGE_FN) WLog_FileAppender_WriteMessage;
FileAppender->WriteDataMessage =
(WLOG_APPENDER_WRITE_DATA_MESSAGE_FN) WLog_FileAppender_WriteDataMessage;
FileAppender->WriteImageMessage =
(WLOG_APPENDER_WRITE_IMAGE_MESSAGE_FN) WLog_FileAppender_WriteImageMessage;
FileAppender->FileName = NULL;
FileAppender->FilePath = NULL;
FileAppender->FullFileName = NULL;
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}
return FileAppender;
}
void WLog_FileAppender_Free(wLog* log, wLogFileAppender* appender)
{
if (appender)
{
if (appender->FileName)
free(appender->FileName);
if (appender->FilePath)
free(appender->FilePath);
if (appender->FullFileName)
free(appender->FullFileName);
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free(appender);
}
}