xenocara/xserver/hw/dmx/dmxlog.c
2007-11-24 17:55:21 +00:00

351 lines
12 KiB
C

/*
* Copyright 2001 Red Hat Inc., Durham, North Carolina.
*
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation on the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/*
* Authors:
* Rickard E. (Rik) Faith <faith@redhat.com>
*
*/
/** \file
* This file encapsulated all of the logging functions that are used by
* DMX for informational, warning, and error messages. */
#ifdef HAVE_DMX_CONFIG_H
#include <dmx-config.h>
#endif
#include "dmx.h"
#include "dmxlog.h"
#include "dmxinput.h"
#ifdef XINPUT
#include <X11/extensions/XI.h>
#include <X11/extensions/XIproto.h>
#endif
static dmxLogLevel dmxCurrentLogLevel = dmxDebug;
/** Set the default level for logging to #dmxLogLevel. Returns the
* previous log level. */
dmxLogLevel dmxSetLogLevel(dmxLogLevel newLevel)
{
dmxLogLevel oldLevel = dmxCurrentLogLevel;
if (newLevel > dmxFatal) newLevel = dmxFatal;
dmxCurrentLogLevel = newLevel;
return oldLevel;
}
/** Returns the log level set by #dmxLogLevel. */
dmxLogLevel dmxGetLogLevel(void)
{
return dmxCurrentLogLevel;
}
#ifdef DMX_LOG_STANDALONE
/* When using this file as part of a stand-alone (i.e., non-X-Server
* program, then the ultimate output routines have to be defined. */
/** Provide an ErrorF function when used stand-alone. */
void ErrorF(const char *format, ...)
{
va_list args;
va_start(args, format);
vfprintf(stderr, format, args); /* RATS: We assume the format string
* is trusted, since it is always
* from a log message in our code. */
va_end(args);
}
/** Provide an VFatalError function when used stand-alone. */
static void VFatalError(const char *format, va_list args)
{
vfprintf(stderr, format, args); /* RATS: We assume the format string
* is trusted, since it is always
* from a log message in our code. */
exit(1);
}
/** Provide an VErrorF function when used stand-alone. */
void VErrorF(const char *format, va_list args)
{
vfprintf(stderr, format, args); /* RATS: We assume the format string
* is trusted, since it is always
* from a log message in our code. */
}
#else
/** This function was removed between XFree86 4.3.0 and XFree86 4.4.0. */
extern void AbortServer(void);
static void VFatalError(const char *format, va_list args)
{
VErrorF(format, args);
ErrorF("\n");
#ifdef DDXOSFATALERROR
OsVendorFatalError();
#endif
AbortServer();
/*NOTREACHED*/
}
#endif
/* Prints a consistent header for each line. */
static void dmxHeader(dmxLogLevel logLevel, DMXInputInfo *dmxInput,
DMXScreenInfo *dmxScreen)
{
const char *type = "??";
switch (logLevel) {
case dmxDebug: type = ".."; break;
case dmxInfo: type = "II"; break;
case dmxWarning: type = "**"; break;
case dmxError: type = "!!"; break;
case dmxFatal: type = "Fatal Error"; break;
}
if (dmxInput && dmxScreen) {
ErrorF("(%s) dmx[i%d/%s;o%d/%s]: ", type,
dmxInput->inputIdx, dmxInput->name,
dmxScreen->index, dmxScreen->name);
} else if (dmxScreen) {
ErrorF("(%s) dmx[o%d/%s]: ", type,
dmxScreen->index, dmxScreen->name);
} else if (dmxInput) {
const char *pt = strchr(dmxInput->name, ',');
int len = (pt
? (size_t)(pt-dmxInput->name)
: strlen(dmxInput->name));
ErrorF("(%s) dmx[i%d/%*.*s]: ", type,
dmxInput->inputIdx, len, len, dmxInput->name);
} else {
ErrorF("(%s) dmx: ", type);
}
}
/* Prints the error message with the appropriate low-level X output
* routine. */
static void dmxMessage(dmxLogLevel logLevel, const char *format, va_list args)
{
if (logLevel == dmxFatal || logLevel >= dmxCurrentLogLevel) {
if (logLevel == dmxFatal) VFatalError(format, args);
else VErrorF(format, args);
}
}
/** Log the specified message at the specified \a logLevel. \a format
* can be a printf-like format expression. */
void dmxLog(dmxLogLevel logLevel, const char *format, ...)
{
va_list args;
dmxHeader(logLevel, NULL, NULL);
va_start(args, format);
dmxMessage(logLevel, format, args);
va_end(args);
}
/** Continue a log message without printing the message prefix. */
void dmxLogCont(dmxLogLevel logLevel, const char *format, ...)
{
va_list args;
va_start(args, format);
dmxMessage(logLevel, format, args);
va_end(args);
}
#ifndef DMX_LOG_STANDALONE
/** Log an informational message (at level #dmxInfo) related to ouput.
* The message prefix will contain backend information from \a
* dmxScreen. */
void dmxLogOutput(DMXScreenInfo *dmxScreen, const char *format, ...)
{
va_list args;
dmxHeader(dmxInfo, NULL, dmxScreen);
va_start(args, format);
dmxMessage(dmxInfo, format, args);
va_end(args);
}
/** Continue a message related to output without printing the message
* prefix. */
void dmxLogOutputCont(DMXScreenInfo *dmxScreen, const char *format, ...)
{
va_list args;
va_start(args, format);
dmxMessage(dmxInfo, format, args);
va_end(args);
}
/** Log a warning message (at level #dmxWarning) related to output.
* The message prefix will contain backend information from \a
* dmxScreen. */
void dmxLogOutputWarning(DMXScreenInfo *dmxScreen, const char *format, ...)
{
va_list args;
dmxHeader(dmxWarning, NULL, dmxScreen);
va_start(args, format);
dmxMessage(dmxWarning, format, args);
va_end(args);
}
/** Log an informational message (at level #dmxInfo) related to input.
* The message prefix will contain information from \a dmxInput. */
void dmxLogInput(DMXInputInfo *dmxInput, const char *format, ...)
{
va_list args;
dmxHeader(dmxInfo, dmxInput, NULL);
va_start(args, format);
dmxMessage(dmxInfo, format, args);
va_end(args);
}
/** Continue a message related to input without printing the message
* prefix. */
void dmxLogInputCont(DMXInputInfo *dmxInput, const char *format, ...)
{
va_list args;
va_start(args, format);
dmxMessage(dmxInfo, format, args);
va_end(args);
}
/** Print \a argc messages, each describing an element in \a argv. This
* is maingly for debugging purposes. */
void dmxLogArgs(dmxLogLevel logLevel, int argc, char **argv)
{
int i;
for (i = 0; i < argc; i++)
dmxLog(logLevel, " Arg[%d] = \"%s\"\n", i, argv[i]);
}
/** Print messages at level #dmxInfo describing the visuals in \a vi. */
void dmxLogVisual(DMXScreenInfo *dmxScreen, XVisualInfo *vi, int defaultVisual)
{
const char *class = "Unknown";
switch (vi->class) {
case StaticGray: class = "StaticGray "; break;
case GrayScale: class = "GrayScale "; break;
case StaticColor: class = "StaticColor"; break;
case PseudoColor: class = "PseudoColor"; break;
case TrueColor: class = "TrueColor "; break;
case DirectColor: class = "DirectColor"; break;
}
if (dmxScreen) {
dmxLogOutput(dmxScreen,
"0x%02x %s %2db %db/rgb %3d 0x%04x 0x%04x 0x%04x%s\n",
vi->visualid, class, vi->depth, vi->bits_per_rgb,
vi->colormap_size,
vi->red_mask, vi->green_mask, vi->blue_mask,
defaultVisual ? " *" : "");
} else {
dmxLog(dmxInfo,
" 0x%02x %s %2db %db/rgb %3d 0x%04x 0x%04x 0x%04x%s\n",
vi->visualid, class, vi->depth, vi->bits_per_rgb,
vi->colormap_size,
vi->red_mask, vi->green_mask, vi->blue_mask,
defaultVisual ? " *" : "");
}
}
#ifdef XINPUT
/** Translate a (normalized) XInput event \a type into a human-readable
* string. */
const char *dmxXInputEventName(int type)
{
switch (type) {
case XI_DeviceValuator: return "XI_DeviceValuator";
case XI_DeviceKeyPress: return "XI_DeviceKeyPress";
case XI_DeviceKeyRelease: return "XI_DeviceKeyRelease";
case XI_DeviceButtonPress: return "XI_DeviceButtonPress";
case XI_DeviceButtonRelease: return "XI_DeviceButtonRelease";
case XI_DeviceMotionNotify: return "XI_DeviceMotionNotify";
case XI_DeviceFocusIn: return "XI_DeviceFocusIn";
case XI_DeviceFocusOut: return "XI_DeviceFocusOut";
case XI_ProximityIn: return "XI_ProximityIn";
case XI_ProximityOut: return "XI_ProximityOut";
case XI_DeviceStateNotify: return "XI_DeviceStateNotify";
case XI_DeviceMappingNotify: return "XI_DeviceMappingNotify";
case XI_ChangeDeviceNotify: return "XI_ChangeDeviceNotify";
case XI_DeviceKeystateNotify: return "XI_DeviceKeystateNotify";
case XI_DeviceButtonstateNotify: return "XI_DeviceButtonstateNotify";
default: return "unknown";
}
}
#endif
#endif
/** Translate an event \a type into a human-readable string. */
const char *dmxEventName(int type)
{
switch (type) {
case KeyPress: return "KeyPress";
case KeyRelease: return "KeyRelease";
case ButtonPress: return "ButtonPress";
case ButtonRelease: return "ButtonRelease";
case MotionNotify: return "MotionNotify";
case EnterNotify: return "EnterNotify";
case LeaveNotify: return "LeaveNotify";
case FocusIn: return "FocusIn";
case FocusOut: return "FocusOut";
case KeymapNotify: return "KeymapNotify";
case Expose: return "Expose";
case GraphicsExpose: return "GraphicsExpose";
case NoExpose: return "NoExpose";
case VisibilityNotify: return "VisibilityNotify";
case CreateNotify: return "CreateNotify";
case DestroyNotify: return "DestroyNotify";
case UnmapNotify: return "UnmapNotify";
case MapNotify: return "MapNotify";
case MapRequest: return "MapRequest";
case ReparentNotify: return "ReparentNotify";
case ConfigureNotify: return "ConfigureNotify";
case ConfigureRequest: return "ConfigureRequest";
case GravityNotify: return "GravityNotify";
case ResizeRequest: return "ResizeRequest";
case CirculateNotify: return "CirculateNotify";
case CirculateRequest: return "CirculateRequest";
case PropertyNotify: return "PropertyNotify";
case SelectionClear: return "SelectionClear";
case SelectionRequest: return "SelectionRequest";
case SelectionNotify: return "SelectionNotify";
case ColormapNotify: return "ColormapNotify";
case ClientMessage: return "ClientMessage";
case MappingNotify: return "MappingNotify";
default: return "<unknown>";
}
}