FreeRDP/winpr/libwinpr/utils/wlog/Layout.c
2019-11-07 10:53:54 +01:00

415 lines
9.9 KiB
C

/**
* 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 <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <winpr/crt.h>
#include <winpr/print.h>
#include <winpr/sysinfo.h>
#include <winpr/environment.h>
#include "wlog.h"
#include "wlog/Layout.h"
#if defined __linux__ && !defined ANDROID
#include <unistd.h>
#include <sys/syscall.h>
#endif
extern const char* WLOG_LEVELS[7];
/**
* Log Layout
*/
static void WLog_PrintMessagePrefixVA(wLog* log, wLogMessage* message, const char* format,
va_list args)
{
if (!strchr(format, '%'))
sprintf_s(message->PrefixString, WLOG_MAX_PREFIX_SIZE - 1, "%s", format);
else
wvsnprintfx(message->PrefixString, WLOG_MAX_PREFIX_SIZE - 1, format, args);
}
static void WLog_PrintMessagePrefix(wLog* log, wLogMessage* message, const char* format, ...)
{
va_list args;
va_start(args, format);
WLog_PrintMessagePrefixVA(log, message, format, args);
va_end(args);
}
BOOL WLog_Layout_GetMessagePrefix(wLog* log, wLogLayout* layout, wLogMessage* message)
{
char* p;
int index;
int argc = 0;
void* args[32];
char format[256];
SYSTEMTIME localTime;
GetLocalTime(&localTime);
index = 0;
p = (char*)layout->FormatString;
while (*p)
{
if (*p == '%')
{
p++;
if (*p)
{
if ((p[0] == 'l') && (p[1] == 'v')) /* log level */
{
args[argc++] = (void*)WLOG_LEVELS[message->Level];
format[index++] = '%';
format[index++] = 's';
p++;
}
else if ((p[0] == 'm') && (p[1] == 'n')) /* module name */
{
args[argc++] = (void*)log->Name;
format[index++] = '%';
format[index++] = 's';
p++;
}
else if ((p[0] == 'f') && (p[1] == 'l')) /* file */
{
char* file;
file = strrchr(message->FileName, '/');
if (!file)
file = strrchr(message->FileName, '\\');
if (file)
file++;
else
file = (char*)message->FileName;
args[argc++] = (void*)file;
format[index++] = '%';
format[index++] = 's';
p++;
}
else if ((p[0] == 'f') && (p[1] == 'n')) /* function */
{
args[argc++] = (void*)message->FunctionName;
format[index++] = '%';
format[index++] = 's';
p++;
}
else if ((p[0] == 'l') && (p[1] == 'n')) /* line number */
{
args[argc++] = (void*)(size_t)message->LineNumber;
format[index++] = '%';
format[index++] = 'u';
p++;
}
else if ((p[0] == 'p') && (p[1] == 'i') && (p[2] == 'd')) /* process id */
{
args[argc++] = (void*)(size_t)GetCurrentProcessId();
format[index++] = '%';
format[index++] = 'u';
p += 2;
}
else if ((p[0] == 't') && (p[1] == 'i') && (p[2] == 'd')) /* thread id */
{
#if defined __linux__ && !defined ANDROID
/* On Linux we prefer to see the LWP id */
args[argc++] = (void*)(size_t)syscall(SYS_gettid);
format[index++] = '%';
format[index++] = 'l';
format[index++] = 'd';
#else
args[argc++] = (void*)(size_t)GetCurrentThreadId();
format[index++] = '%';
format[index++] = '0';
format[index++] = '8';
format[index++] = 'x';
#endif
p += 2;
}
else if ((p[0] == 'y') && (p[1] == 'r')) /* year */
{
args[argc++] = (void*)(size_t)localTime.wYear;
format[index++] = '%';
format[index++] = 'u';
p++;
}
else if ((p[0] == 'm') && (p[1] == 'o')) /* month */
{
args[argc++] = (void*)(size_t)localTime.wMonth;
format[index++] = '%';
format[index++] = '0';
format[index++] = '2';
format[index++] = 'u';
p++;
}
else if ((p[0] == 'd') && (p[1] == 'w')) /* day of week */
{
args[argc++] = (void*)(size_t)localTime.wDayOfWeek;
format[index++] = '%';
format[index++] = '0';
format[index++] = '2';
format[index++] = 'u';
p++;
}
else if ((p[0] == 'd') && (p[1] == 'y')) /* day */
{
args[argc++] = (void*)(size_t)localTime.wDay;
format[index++] = '%';
format[index++] = '0';
format[index++] = '2';
format[index++] = 'u';
p++;
}
else if ((p[0] == 'h') && (p[1] == 'r')) /* hours */
{
args[argc++] = (void*)(size_t)localTime.wHour;
format[index++] = '%';
format[index++] = '0';
format[index++] = '2';
format[index++] = 'u';
p++;
}
else if ((p[0] == 'm') && (p[1] == 'i')) /* minutes */
{
args[argc++] = (void*)(size_t)localTime.wMinute;
format[index++] = '%';
format[index++] = '0';
format[index++] = '2';
format[index++] = 'u';
p++;
}
else if ((p[0] == 's') && (p[1] == 'e')) /* seconds */
{
args[argc++] = (void*)(size_t)localTime.wSecond;
format[index++] = '%';
format[index++] = '0';
format[index++] = '2';
format[index++] = 'u';
p++;
}
else if ((p[0] == 'm') && (p[1] == 'l')) /* milliseconds */
{
args[argc++] = (void*)(size_t)localTime.wMilliseconds;
format[index++] = '%';
format[index++] = '0';
format[index++] = '3';
format[index++] = 'u';
p++;
}
}
}
else
{
format[index++] = *p;
}
p++;
}
format[index++] = '\0';
switch (argc)
{
case 0:
WLog_PrintMessagePrefix(log, message, format);
break;
case 1:
WLog_PrintMessagePrefix(log, message, format, args[0]);
break;
case 2:
WLog_PrintMessagePrefix(log, message, format, args[0], args[1]);
break;
case 3:
WLog_PrintMessagePrefix(log, message, format, args[0], args[1], args[2]);
break;
case 4:
WLog_PrintMessagePrefix(log, message, format, args[0], args[1], args[2], args[3]);
break;
case 5:
WLog_PrintMessagePrefix(log, message, format, args[0], args[1], args[2], args[3],
args[4]);
break;
case 6:
WLog_PrintMessagePrefix(log, message, format, args[0], args[1], args[2], args[3],
args[4], args[5]);
break;
case 7:
WLog_PrintMessagePrefix(log, message, format, args[0], args[1], args[2], args[3],
args[4], args[5], args[6]);
break;
case 8:
WLog_PrintMessagePrefix(log, message, format, args[0], args[1], args[2], args[3],
args[4], args[5], args[6], args[7]);
break;
case 9:
WLog_PrintMessagePrefix(log, message, format, args[0], args[1], args[2], args[3],
args[4], args[5], args[6], args[7], args[8]);
break;
case 10:
WLog_PrintMessagePrefix(log, message, format, args[0], args[1], args[2], args[3],
args[4], args[5], args[6], args[7], args[8], args[9]);
break;
case 11:
WLog_PrintMessagePrefix(log, message, format, args[0], args[1], args[2], args[3],
args[4], args[5], args[6], args[7], args[8], args[9], args[10]);
break;
case 12:
WLog_PrintMessagePrefix(log, message, format, args[0], args[1], args[2], args[3],
args[4], args[5], args[6], args[7], args[8], args[9], args[10],
args[11]);
break;
case 13:
WLog_PrintMessagePrefix(log, message, format, args[0], args[1], args[2], args[3],
args[4], args[5], args[6], args[7], args[8], args[9], args[10],
args[11], args[12]);
break;
case 14:
WLog_PrintMessagePrefix(log, message, format, args[0], args[1], args[2], args[3],
args[4], args[5], args[6], args[7], args[8], args[9], args[10],
args[11], args[12], args[13]);
break;
case 15:
WLog_PrintMessagePrefix(log, message, format, args[0], args[1], args[2], args[3],
args[4], args[5], args[6], args[7], args[8], args[9], args[10],
args[11], args[12], args[13], args[14]);
break;
case 16:
WLog_PrintMessagePrefix(log, message, format, args[0], args[1], args[2], args[3],
args[4], args[5], args[6], args[7], args[8], args[9], args[10],
args[11], args[12], args[13], args[14], args[15]);
break;
}
return TRUE;
}
wLogLayout* WLog_GetLogLayout(wLog* log)
{
wLogAppender* appender;
appender = WLog_GetLogAppender(log);
return appender->Layout;
}
BOOL WLog_Layout_SetPrefixFormat(wLog* log, wLogLayout* layout, const char* format)
{
free(layout->FormatString);
layout->FormatString = NULL;
if (format)
{
layout->FormatString = _strdup(format);
if (!layout->FormatString)
return FALSE;
}
return TRUE;
}
wLogLayout* WLog_Layout_New(wLog* log)
{
LPCSTR prefix = "WLOG_PREFIX";
DWORD nSize;
char* env = NULL;
wLogLayout* layout;
layout = (wLogLayout*)calloc(1, sizeof(wLogLayout));
if (!layout)
return NULL;
nSize = GetEnvironmentVariableA(prefix, NULL, 0);
if (nSize)
{
env = (LPSTR)malloc(nSize);
if (!env)
{
free(layout);
return NULL;
}
if (GetEnvironmentVariableA(prefix, env, nSize) != nSize - 1)
{
free(env);
free(layout);
return NULL;
}
}
if (env)
layout->FormatString = env;
else
{
#ifdef ANDROID
layout->FormatString = _strdup("[pid=%pid:tid=%tid] - ");
#else
layout->FormatString = _strdup("[%hr:%mi:%se:%ml] [%pid:%tid] [%lv][%mn] - ");
#endif
if (!layout->FormatString)
{
free(layout);
return NULL;
}
}
return layout;
}
void WLog_Layout_Free(wLog* log, wLogLayout* layout)
{
if (layout)
{
if (layout->FormatString)
{
free(layout->FormatString);
layout->FormatString = NULL;
}
free(layout);
}
}