45 lines
1.5 KiB
Java
45 lines
1.5 KiB
Java
package it.tdlight.tdnative;
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import it.tdlight.jni.TdApi;
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import java.util.function.Consumer;
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import java.util.concurrent.atomic.AtomicReference;
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/**
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* Class used for managing internal TDLib logging.
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*/
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public class NativeLog {
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private static final Consumer<String> defaultFatalErrorCallback = NativeLog::printFatalError;
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private static final AtomicReference<Consumer<String>> fatalErrorCallback
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= new AtomicReference<>(defaultFatalErrorCallback);
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/**
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* This function is called from the JNI when a fatal error happens to provide a better error message.
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* The function does not return.
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*
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* @param errorMessage Error message.
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*/
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private static void onFatalError(String errorMessage) {
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new Thread(() -> NativeLog.fatalErrorCallback.get().accept(errorMessage)).start();
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}
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/**
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* Sets the callback that will be called when a fatal error happens.
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* None of the TDLib methods can be called from the callback.
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* TDLib will crash as soon as the callback returns.
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* By default the callback set to print in stderr.
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* @param fatalErrorCallback Callback that will be called when a fatal error happens.
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* Pass null to restore default callback.
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*/
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public static void setFatalErrorCallback(Consumer<String> fatalErrorCallback) {
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if (fatalErrorCallback == null) {
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fatalErrorCallback = defaultFatalErrorCallback;
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}
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NativeLog.fatalErrorCallback.set(fatalErrorCallback);
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}
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private static void printFatalError(String errorMessage) {
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System.err.println("TDLib fatal error: " + errorMessage);
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}
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}
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