2015-10-30 16:50:14 +03:00
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/**
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* WinPR: Windows Portable Runtime
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* WinPR Logger
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*
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* Copyright © 2015 Thincast Technologies GmbH
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* Copyright © 2015 David FORT <contact@hardening-consulting.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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2015-11-09 19:56:44 +03:00
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#include "JournaldAppender.h"
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2015-10-30 16:50:14 +03:00
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#include <unistd.h>
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#include <syslog.h>
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#include <systemd/sd-journal.h>
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#include <winpr/crt.h>
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#include <winpr/environment.h>
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2015-11-09 19:56:44 +03:00
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struct _wLogJournaldAppender
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2015-11-01 23:34:03 +03:00
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{
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2015-11-09 19:56:44 +03:00
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WLOG_APPENDER_COMMON();
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char *identifier;
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FILE *stream;
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};
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typedef struct _wLogJournaldAppender wLogJournaldAppender;
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2015-10-30 16:50:14 +03:00
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2015-11-09 19:56:44 +03:00
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static BOOL WLog_JournaldAppender_Open(wLog* log, wLogAppender* appender)
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2015-10-30 16:50:14 +03:00
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{
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2015-11-01 23:34:03 +03:00
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int fd;
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2015-11-09 19:56:44 +03:00
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wLogJournaldAppender *journaldAppender;
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2015-11-01 23:34:03 +03:00
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2015-10-30 16:50:14 +03:00
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if (!log || !appender)
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return FALSE;
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2015-11-09 19:56:44 +03:00
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journaldAppender = (wLogJournaldAppender*)appender;
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if (journaldAppender->stream)
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2015-11-01 23:34:03 +03:00
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return TRUE;
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2015-11-09 19:56:44 +03:00
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fd = sd_journal_stream_fd(journaldAppender->identifier, LOG_INFO, 1);
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2015-11-01 23:34:03 +03:00
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if (fd < 0)
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return FALSE;
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2015-11-09 19:56:44 +03:00
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journaldAppender->stream = fdopen(fd, "w");
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if (!journaldAppender->stream)
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2015-11-01 23:34:03 +03:00
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{
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close(fd);
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return FALSE;
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}
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2015-11-09 19:56:44 +03:00
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setbuffer(journaldAppender->stream, NULL, 0);
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2015-10-30 16:50:14 +03:00
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return TRUE;
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}
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2015-11-09 19:56:44 +03:00
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static BOOL WLog_JournaldAppender_Close(wLog* log, wLogAppender* appender)
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2015-10-30 16:50:14 +03:00
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{
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if (!log || !appender)
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return FALSE;
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return TRUE;
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}
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2015-11-09 19:56:44 +03:00
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static BOOL WLog_JournaldAppender_WriteMessage(wLog* log, wLogAppender* appender, wLogMessage* message)
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2015-10-30 16:50:14 +03:00
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{
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char *formatStr;
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2015-11-09 19:56:44 +03:00
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wLogJournaldAppender* journaldAppender;
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2016-03-11 01:41:12 +03:00
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char prefix[WLOG_MAX_PREFIX_SIZE];
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2015-10-30 16:50:14 +03:00
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if (!log || !appender || !message)
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return FALSE;
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2015-11-09 19:56:44 +03:00
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journaldAppender = (wLogJournaldAppender *)appender;
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2015-10-30 16:50:14 +03:00
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switch (message->Level)
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{
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case WLOG_TRACE:
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case WLOG_DEBUG:
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2016-03-11 01:41:12 +03:00
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formatStr = "<7>%s%s\n";
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2015-10-30 16:50:14 +03:00
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break;
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case WLOG_INFO:
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2016-03-11 01:41:12 +03:00
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formatStr = "<6>%s%s\n";
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2015-10-30 16:50:14 +03:00
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break;
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case WLOG_WARN:
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2016-03-11 01:41:12 +03:00
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formatStr = "<4>%s%s\n";
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2015-10-30 16:50:14 +03:00
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break;
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case WLOG_ERROR:
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2016-03-11 01:41:12 +03:00
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formatStr = "<3>%s%s\n";
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2015-10-30 16:50:14 +03:00
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break;
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case WLOG_FATAL:
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2016-03-11 01:41:12 +03:00
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formatStr = "<2>%s%s\n";
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2015-10-30 16:50:14 +03:00
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break;
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case WLOG_OFF:
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return TRUE;
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default:
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2016-12-14 00:47:08 +03:00
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fprintf(stderr, "%s: unknown level %"PRIu32"\n", __FUNCTION__, message->Level);
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2015-10-30 16:50:14 +03:00
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return FALSE;
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}
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2016-03-11 01:41:12 +03:00
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message->PrefixString = prefix;
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WLog_Layout_GetMessagePrefix(log, appender->Layout, message);
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if (message->Level != WLOG_OFF)
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fprintf(journaldAppender->stream, formatStr, message->PrefixString, message->TextString);
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2015-10-30 16:50:14 +03:00
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return TRUE;
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}
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2015-11-09 19:56:44 +03:00
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static BOOL WLog_JournaldAppender_WriteDataMessage(wLog* log, wLogAppender* appender, wLogMessage* message)
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2015-10-30 16:50:14 +03:00
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{
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if (!log || !appender || !message)
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return FALSE;
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return TRUE;
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}
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2015-11-09 19:56:44 +03:00
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static BOOL WLog_JournaldAppender_WriteImageMessage(wLog* log, wLogAppender* appender, wLogMessage* message)
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2015-10-30 16:50:14 +03:00
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{
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if (!log || !appender || !message)
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return FALSE;
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return TRUE;
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}
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2015-11-09 19:56:44 +03:00
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static BOOL WLog_JournaldAppender_Set(wLogAppender* appender, const char *setting, void *value)
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{
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wLogJournaldAppender* journaldAppender = (wLogJournaldAppender *)appender;
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if (!value || !strlen(value))
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return FALSE;
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if (strcmp("identifier", setting))
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return FALSE;
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/* If the stream is already open the identifier can't be changed */
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if (journaldAppender->stream)
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return FALSE;
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if (journaldAppender->identifier)
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free(journaldAppender->identifier);
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return ((journaldAppender->identifier = _strdup((const char *)value)) != NULL);
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}
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static void WLog_JournaldAppender_Free(wLogAppender* appender)
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{
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wLogJournaldAppender *journaldAppender;
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if (appender)
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{
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journaldAppender = (wLogJournaldAppender*)appender;
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if (journaldAppender->stream)
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fclose(journaldAppender->stream);
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free(journaldAppender->identifier);
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free(journaldAppender);
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}
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}
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wLogAppender* WLog_JournaldAppender_New(wLog* log)
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2015-10-30 16:50:14 +03:00
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{
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wLogJournaldAppender* appender;
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DWORD nSize;
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2017-03-03 14:37:27 +03:00
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LPCSTR name = "WLOG_JOURNALD_ID";;
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2015-10-30 16:50:14 +03:00
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appender = (wLogJournaldAppender*) calloc(1, sizeof(wLogJournaldAppender));
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if (!appender)
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return NULL;
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appender->Type = WLOG_APPENDER_JOURNALD;
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2015-11-09 19:56:44 +03:00
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appender->Open = WLog_JournaldAppender_Open;
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appender->Close = WLog_JournaldAppender_Close;
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appender->WriteMessage = WLog_JournaldAppender_WriteMessage;
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appender->WriteDataMessage = WLog_JournaldAppender_WriteDataMessage;
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appender->WriteImageMessage = WLog_JournaldAppender_WriteImageMessage;
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appender->Set = WLog_JournaldAppender_Set;
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appender->Free = WLog_JournaldAppender_Free;
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2015-10-30 16:50:14 +03:00
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nSize = GetEnvironmentVariableA(name, NULL, 0);
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if (nSize)
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{
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2015-11-01 23:34:03 +03:00
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appender->identifier = (LPSTR) malloc(nSize);
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if (!appender->identifier)
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2017-03-03 14:37:27 +03:00
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goto error_open;
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2015-10-30 16:50:14 +03:00
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2017-03-03 14:37:27 +03:00
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if (GetEnvironmentVariableA(name, appender->identifier, nSize) != nSize -1)
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goto error_open;
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2015-11-01 23:34:03 +03:00
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2015-11-09 19:56:44 +03:00
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if (!WLog_JournaldAppender_Open(log, (wLogAppender *)appender))
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2015-11-01 23:34:03 +03:00
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goto error_open;
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2015-10-30 16:50:14 +03:00
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}
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2015-11-09 19:56:44 +03:00
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return (wLogAppender *)appender;
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2015-10-30 16:50:14 +03:00
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2015-11-01 23:34:03 +03:00
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error_open:
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free(appender->identifier);
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2015-10-30 16:50:14 +03:00
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free(appender);
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return NULL;
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}
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