Added the environment variable SDL_LOGGING to control default log output

(cherry picked from commit 12bdb2b4d04a7338a4687755967a3eaad25696b0)
(cherry picked from commit f0b8fee88f4f37eecf0d16b146ff0171804298e7)
This commit is contained in:
Sam Lantinga 2024-01-27 19:11:04 -08:00
parent fc5bd11dac
commit a6d5c1fe05
6 changed files with 355 additions and 14 deletions

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@ -210,6 +210,7 @@
<ClCompile Include="..\..\..\test\testautomation_hints.c" />
<ClCompile Include="..\..\..\test\testautomation_joystick.c" />
<ClCompile Include="..\..\..\test\testautomation_keyboard.c" />
<ClCompile Include="..\..\..\test\testautomation_log.c" />
<ClCompile Include="..\..\..\test\testautomation_main.c" />
<ClCompile Include="..\..\..\test\testautomation_math.c" />
<ClCompile Include="..\..\..\test\testautomation_mouse.c" />

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@ -9,6 +9,7 @@ General:
* Added support for 2 bits-per-pixel indexed surface formats
* Added the function SDL_GameControllerGetSteamHandle() to get the Steam API handle for a controller, if available
* Added the event SDL_CONTROLLERSTEAMHANDLEUPDATED which is sent when the Steam API handle for a controller changes. This could also change the name, VID, and PID of the controller.
* Added the environment variable SDL_LOGGING to control default log output
macOS:
* Added the hint SDL_HINT_JOYSTICK_IOKIT to control whether the IOKit controller driver should be used

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@ -1282,6 +1282,22 @@ extern "C" {
*/
#define SDL_HINT_LINUX_JOYSTICK_DEADZONES "SDL_LINUX_JOYSTICK_DEADZONES"
/**
* \brief A variable controlling the default SDL log levels.
*
* This variable is a comma separated set of category=level tokens that define the default logging levels for SDL applications.
*
* The category can be a numeric category, one of "app", "error", "assert", "system", "audio", "video", "render", "input", "test", or `*` for any unspecified category.
*
* The level can be a numeric level, one of "verbose", "debug", "info", "warn", "error", "critical", or "quiet" to disable that category.
*
* You can omit the category if you want to set the logging level for all categories.
*
* If this hint isn't set, the default log levels are equivalent to:
* "app=info,assert=warn,test=verbose,*=error"
*/
#define SDL_HINT_LOGGING "SDL_LOGGING"
/**
* \brief When set don't force the SDL app to become a foreground process
*

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@ -28,6 +28,7 @@
#include "SDL_error.h"
#include "SDL_log.h"
#include "SDL_hints.h"
#include "SDL_mutex.h"
#include "SDL_log_c.h"
@ -44,6 +45,8 @@
/* The size of the stack buffer to use for rendering log messages. */
#define SDL_MAX_LOG_MESSAGE_STACK 256
#define DEFAULT_CATEGORY -1
typedef struct SDL_LogLevel
{
int category;
@ -61,7 +64,8 @@ static SDL_LogOutputFunction SDL_log_function = SDL_LogOutput;
static void *SDL_log_userdata = NULL;
static SDL_mutex *log_function_mutex = NULL;
static const char *SDL_priority_prefixes[SDL_NUM_LOG_PRIORITIES] = {
/* If this list changes, update the documentation for SDL_HINT_LOGGING */
static const char *SDL_priority_prefixes[] = {
NULL,
"VERBOSE",
"DEBUG",
@ -70,8 +74,9 @@ static const char *SDL_priority_prefixes[SDL_NUM_LOG_PRIORITIES] = {
"ERROR",
"CRITICAL"
};
SDL_COMPILE_TIME_ASSERT(priority_prefixes, SDL_arraysize(SDL_priority_prefixes) == SDL_NUM_LOG_PRIORITIES);
#ifdef __ANDROID__
/* If this list changes, update the documentation for SDL_HINT_LOGGING */
static const char *SDL_category_prefixes[] = {
"APP",
"ERROR",
@ -83,9 +88,9 @@ static const char *SDL_category_prefixes[] = {
"INPUT",
"TEST"
};
SDL_COMPILE_TIME_ASSERT(category_prefixes, SDL_arraysize(SDL_category_prefixes) == SDL_LOG_CATEGORY_RESERVED1);
SDL_COMPILE_TIME_ASSERT(category_prefixes_enum, SDL_TABLESIZE(SDL_category_prefixes) == SDL_LOG_CATEGORY_RESERVED1);
#ifdef __ANDROID__
static int SDL_android_priority[SDL_NUM_LOG_PRIORITIES] = {
ANDROID_LOG_UNKNOWN,
ANDROID_LOG_VERBOSE,
@ -147,6 +152,122 @@ void SDL_LogSetPriority(int category, SDL_LogPriority priority)
}
}
static SDL_bool SDL_ParseLogCategory(const char *string, size_t length, int *category)
{
int i;
if (SDL_isdigit(*string)) {
*category = SDL_atoi(string);
return SDL_TRUE;
}
if (*string == '*') {
*category = DEFAULT_CATEGORY;
return SDL_TRUE;
}
for (i = 0; i < SDL_arraysize(SDL_category_prefixes); ++i) {
if (SDL_strncasecmp(string, SDL_category_prefixes[i], length) == 0) {
*category = i;
return SDL_TRUE;
}
}
return SDL_FALSE;
}
static SDL_bool SDL_ParseLogPriority(const char *string, size_t length, SDL_LogPriority *priority)
{
int i;
if (SDL_isdigit(*string)) {
i = SDL_atoi(string);
if (i == 0) {
/* 0 has a special meaning of "disable this category" */
*priority = SDL_NUM_LOG_PRIORITIES;
return SDL_TRUE;
}
if (i >= SDL_LOG_PRIORITY_VERBOSE && i < SDL_NUM_LOG_PRIORITIES) {
*priority = (SDL_LogPriority)i;
return SDL_TRUE;
}
return SDL_FALSE;
}
if (SDL_strncasecmp(string, "quiet", length) == 0) {
*priority = SDL_NUM_LOG_PRIORITIES;
return SDL_TRUE;
}
for (i = SDL_LOG_PRIORITY_VERBOSE; i < SDL_NUM_LOG_PRIORITIES; ++i) {
if (SDL_strncasecmp(string, SDL_priority_prefixes[i], length) == 0) {
*priority = (SDL_LogPriority)i;
return SDL_TRUE;
}
}
return SDL_FALSE;
}
static SDL_bool SDL_ParseLogCategoryPriority(const char *hint, int category, SDL_LogPriority *priority)
{
const char *name, *next;
int current_category;
if (category == DEFAULT_CATEGORY && SDL_strchr(hint, '=') == NULL) {
return SDL_ParseLogPriority(hint, SDL_strlen(hint), priority);
}
for (name = hint; name; name = next) {
const char *sep = SDL_strchr(name, '=');
if (!sep) {
break;
}
next = SDL_strchr(sep, ',');
if (next) {
++next;
}
if (SDL_ParseLogCategory(name, (sep - name), &current_category)) {
if (current_category == category) {
const char *value = sep + 1;
size_t len;
if (next) {
len = (next - value - 1);
} else {
len = SDL_strlen(value);
}
return SDL_ParseLogPriority(value, len, priority);
}
}
}
return SDL_FALSE;
}
static SDL_LogPriority SDL_GetDefaultLogPriority(int category)
{
const char *hint = SDL_GetHint(SDL_HINT_LOGGING);
if (hint) {
SDL_LogPriority priority;
if (SDL_ParseLogCategoryPriority(hint, category, &priority)) {
return priority;
}
if (SDL_ParseLogCategoryPriority(hint, DEFAULT_CATEGORY, &priority)) {
return priority;
}
}
switch (category) {
case SDL_LOG_CATEGORY_APPLICATION:
return SDL_LOG_PRIORITY_INFO;
case SDL_LOG_CATEGORY_ASSERT:
return SDL_LOG_PRIORITY_WARN;
case SDL_LOG_CATEGORY_TEST:
return SDL_LOG_PRIORITY_VERBOSE;
default:
return SDL_LOG_PRIORITY_ERROR;
}
}
SDL_LogPriority SDL_LogGetPriority(int category)
{
SDL_LogLevel *entry;
@ -161,16 +282,7 @@ SDL_LogPriority SDL_LogGetPriority(int category)
return SDL_forced_priority_level;
}
switch (category) {
case SDL_LOG_CATEGORY_APPLICATION:
return SDL_LOG_PRIORITY_INFO;
case SDL_LOG_CATEGORY_ASSERT:
return SDL_LOG_PRIORITY_WARN;
case SDL_LOG_CATEGORY_TEST:
return SDL_LOG_PRIORITY_VERBOSE;
default:
return SDL_LOG_PRIORITY_ERROR;
}
return SDL_GetDefaultLogPriority(category);
}
void SDL_LogResetPriorities(void)

209
test/testautomation_log.c Normal file
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@ -0,0 +1,209 @@
/**
* Log test suite
*/
#include "SDL.h"
#include "SDL_test.h"
static SDL_LogOutputFunction original_function;
static void *original_userdata;
static void TestLogOutput(void *userdata, int category, SDL_LogPriority priority, const char *message)
{
int *message_count = (int *)userdata;
++(*message_count);
}
static void EnableTestLog(int *message_count)
{
*message_count = 0;
SDL_LogGetOutputFunction(&original_function, &original_userdata);
SDL_LogSetOutputFunction(TestLogOutput, message_count);
}
static void DisableTestLog()
{
SDL_LogSetOutputFunction(original_function, original_userdata);
}
/* Fixture */
/* Test case functions */
/**
* Check SDL_HINT_LOGGING functionality
*/
static int log_testHint(void *arg)
{
int count;
SDL_SetHint(SDL_HINT_LOGGING, NULL);
SDLTest_AssertPass("SDL_SetHint(SDL_HINT_LOGGING, NULL)");
{
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, \"test\")");
SDLTest_AssertCheck(count == 1, "Check result value, expected: 1, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_DEBUG, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_DEBUG, \"test\")");
SDLTest_AssertCheck(count == 0, "Check result value, expected: 0, got: %d", count);
}
SDL_SetHint(SDL_HINT_LOGGING, "debug");
SDLTest_AssertPass("SDL_SetHint(SDL_HINT_LOGGING, \"debug\")");
{
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_DEBUG, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_DEBUG, \"test\")");
SDLTest_AssertCheck(count == 1, "Check result value, expected: 1, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_VERBOSE, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_VERBOSE, \"test\")");
SDLTest_AssertCheck(count == 0, "Check result value, expected: 0, got: %d", count);
}
SDL_SetHint(SDL_HINT_LOGGING, "system=debug");
SDLTest_AssertPass("SDL_SetHint(SDL_HINT_LOGGING, \"system=debug\")");
{
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_DEBUG, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_DEBUG, \"test\")");
SDLTest_AssertCheck(count == 0, "Check result value, expected: 0, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_SYSTEM, SDL_LOG_PRIORITY_DEBUG, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_SYSTEM, SDL_LOG_PRIORITY_DEBUG, \"test\")");
SDLTest_AssertCheck(count == 1, "Check result value, expected: 1, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_SYSTEM, SDL_LOG_PRIORITY_VERBOSE, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_SYSTEM, SDL_LOG_PRIORITY_VERBOSE, \"test\")");
SDLTest_AssertCheck(count == 0, "Check result value, expected: 0, got: %d", count);
}
SDL_SetHint(SDL_HINT_LOGGING, "app=warn,system=debug,assert=quiet,*=info");
SDLTest_AssertPass("SDL_SetHint(SDL_HINT_LOGGING, \"app=warn,system=debug,assert=quiet,*=info\")");
{
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_WARN, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_WARN, \"test\")");
SDLTest_AssertCheck(count == 1, "Check result value, expected: 1, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, \"test\")");
SDLTest_AssertCheck(count == 0, "Check result value, expected: 0, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_SYSTEM, SDL_LOG_PRIORITY_DEBUG, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_SYSTEM, SDL_LOG_PRIORITY_DEBUG, \"test\")");
SDLTest_AssertCheck(count == 1, "Check result value, expected: 1, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_SYSTEM, SDL_LOG_PRIORITY_VERBOSE, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_SYSTEM, SDL_LOG_PRIORITY_VERBOSE, \"test\")");
SDLTest_AssertCheck(count == 0, "Check result value, expected: 0, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_ASSERT, SDL_LOG_PRIORITY_CRITICAL, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_ASSERT, SDL_LOG_PRIORITY_CRITICAL, \"test\")");
SDLTest_AssertCheck(count == 0, "Check result value, expected: 0, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_CUSTOM, SDL_LOG_PRIORITY_INFO, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_CUSTOM, SDL_LOG_PRIORITY_INFO, \"test\")");
SDLTest_AssertCheck(count == 1, "Check result value, expected: 1, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_CUSTOM, SDL_LOG_PRIORITY_DEBUG, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_CUSTOM, SDL_LOG_PRIORITY_DEBUG, \"test\")");
SDLTest_AssertCheck(count == 0, "Check result value, expected: 0, got: %d", count);
}
SDL_SetHint(SDL_HINT_LOGGING, "0=4,3=2,2=0,*=3");
SDLTest_AssertPass("SDL_SetHint(SDL_HINT_LOGGING, \"0=4,3=2,2=0,*=3\")");
{
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_WARN, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_WARN, \"test\")");
SDLTest_AssertCheck(count == 1, "Check result value, expected: 1, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, \"test\")");
SDLTest_AssertCheck(count == 0, "Check result value, expected: 0, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_SYSTEM, SDL_LOG_PRIORITY_DEBUG, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_SYSTEM, SDL_LOG_PRIORITY_DEBUG, \"test\")");
SDLTest_AssertCheck(count == 1, "Check result value, expected: 1, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_SYSTEM, SDL_LOG_PRIORITY_VERBOSE, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_SYSTEM, SDL_LOG_PRIORITY_VERBOSE, \"test\")");
SDLTest_AssertCheck(count == 0, "Check result value, expected: 0, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_ASSERT, SDL_LOG_PRIORITY_CRITICAL, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_ASSERT, SDL_LOG_PRIORITY_CRITICAL, \"test\")");
SDLTest_AssertCheck(count == 0, "Check result value, expected: 0, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_CUSTOM, SDL_LOG_PRIORITY_INFO, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_CUSTOM, SDL_LOG_PRIORITY_INFO, \"test\")");
SDLTest_AssertCheck(count == 1, "Check result value, expected: 1, got: %d", count);
EnableTestLog(&count);
SDL_LogMessage(SDL_LOG_CATEGORY_CUSTOM, SDL_LOG_PRIORITY_DEBUG, "test");
DisableTestLog();
SDLTest_AssertPass("SDL_LogMessage(SDL_LOG_CATEGORY_CUSTOM, SDL_LOG_PRIORITY_DEBUG, \"test\")");
SDLTest_AssertCheck(count == 0, "Check result value, expected: 0, got: %d", count);
}
return TEST_COMPLETED;
}
/* ================= Test References ================== */
/* Log test cases */
static const SDLTest_TestCaseReference logTestHint = {
(SDLTest_TestCaseFp)log_testHint, "log_testHint", "Check SDL_HINT_LOGGING functionality", TEST_ENABLED
};
/* Sequence of Log test cases */
static const SDLTest_TestCaseReference *logTests[] = {
&logTestHint, NULL
};
/* Timer test suite (global) */
SDLTest_TestSuiteReference logTestSuite = {
"Log",
NULL,
logTests,
NULL
};

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@ -16,6 +16,7 @@ extern SDLTest_TestSuiteReference guidTestSuite;
extern SDLTest_TestSuiteReference hintsTestSuite;
extern SDLTest_TestSuiteReference joystickTestSuite;
extern SDLTest_TestSuiteReference keyboardTestSuite;
extern SDLTest_TestSuiteReference logTestSuite;
extern SDLTest_TestSuiteReference mainTestSuite;
extern SDLTest_TestSuiteReference mathTestSuite;
extern SDLTest_TestSuiteReference mouseTestSuite;
@ -41,6 +42,7 @@ SDLTest_TestSuiteReference *testSuites[] = {
&hintsTestSuite,
&joystickTestSuite,
&keyboardTestSuite,
&logTestSuite,
&mainTestSuite,
&mathTestSuite,
&mouseTestSuite,