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Use new mpw log sink logging mechanism for JNI logging.

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This commit is contained in:
Maarten Billemont 2020-04-14 19:13:49 -04:00
parent 11d6660e5a
commit 9a362f13a3
2 changed files with 30 additions and 33 deletions
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1
platform-independent/c/core/build.gradle
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@ -44,7 +44,6 @@ library {
def arch = targetMachine.getArchitecture().getName().replace('-', '_')
compile.macros.put("MPW_SODIUM", "1")
compile.macros.put("MPW_LOG", "mpw_log_app")
dependencies {
// libsodium

62
platform-independent/c/core/src/mpw-jni.c
View File

@ -10,50 +10,46 @@
static JavaVM* _vm;
static jobject logger;
void mpw_log_app(LogLevel level, const char *format, ...) {
MPLogSink mpw_log_sink_jni;
bool mpw_log_sink_jni(const MPLogEvent *record) {
bool sunk = false;
JNIEnv *env;
if ((*_vm)->GetEnv( _vm, (void **)&env, JNI_VERSION_1_6 ) != JNI_OK)
return;
va_list args;
va_start( args, format );
return sunk;
if (logger && (*env)->PushLocalFrame( env, 16 ) == OK) {
jmethodID method = NULL;
jclass Logger = (*env)->GetObjectClass( env, logger );
if (level >= LogLevelTrace)
method = (*env)->GetMethodID( env, Logger, "trace", "(Ljava/lang/String;)V" );
else if (level == LogLevelDebug)
method = (*env)->GetMethodID( env, Logger, "debug", "(Ljava/lang/String;)V" );
else if (level == LogLevelInfo)
method = (*env)->GetMethodID( env, Logger, "info", "(Ljava/lang/String;)V" );
else if (level == LogLevelWarning)
method = (*env)->GetMethodID( env, Logger, "warn", "(Ljava/lang/String;)V" );
else if (level <= LogLevelError)
method = (*env)->GetMethodID( env, Logger, "error", "(Ljava/lang/String;)V" );
switch (record->level) {
case LogLevelTrace:
method = (*env)->GetMethodID( env, Logger, "trace", "(Ljava/lang/String;)V" );
break;
case LogLevelDebug:
method = (*env)->GetMethodID( env, Logger, "debug", "(Ljava/lang/String;)V" );
break;
case LogLevelInfo:
method = (*env)->GetMethodID( env, Logger, "info", "(Ljava/lang/String;)V" );
break;
case LogLevelWarning:
method = (*env)->GetMethodID( env, Logger, "warn", "(Ljava/lang/String;)V" );
break;
case LogLevelError:
case LogLevelFatal:
method = (*env)->GetMethodID( env, Logger, "error", "(Ljava/lang/String;)V" );
break;
}
va_list _args;
va_copy( _args, args );
int length = vsnprintf( NULL, 0, format, _args );
va_end( _args );
if (length > 0) {
size_t size = (size_t) (length + 1);
char *message = malloc( size );
va_copy( _args, args );
if (message && (length = vsnprintf( message, size, format, _args )) > 0)
(*env)->CallVoidMethod( env, logger, method, (*env)->NewStringUTF( env, message ) );
va_end( _args );
mpw_free( &message, (size_t)max( 0, length ) );
if (method && record->message) {
// TODO: log file, line & function as markers?
(*env)->CallVoidMethod( env, logger, method, (*env)->NewStringUTF( env, record->message ) );
sunk = true;
}
(*env)->PopLocalFrame( env, NULL );
}
else
// Can't log via slf4j, fall back to cli logger.
mpw_vlog_cli( level, format, args );
va_end( args );
return sunk;
}
JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM* vm, void* reserved) {
@ -83,6 +79,8 @@ JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM* vm, void* reserved) {
else
mpw_verbosity = LogLevelFatal;
mpw_log_sink_register( &mpw_log_sink_jni );
return JNI_VERSION_1_6;
}