[slf4j-user] Asynchronous SMTPAppender
Joe Wang
jwang at io-works.com
Tue Jan 17 17:17:27 CET 2012
Hi,
I see in the docs (http://logback.qos.ch/manual/appenders.html) it
says "SMTP email transmission (sending) is performed asynchronously".
I'm looking on grepcode.com at version 1.2.25. I can't see how it is
sending asynchronously.
SMTPAppender.java
void append(LoggingEvent event) {
...
sendBuffer();
...
}
void sendBuffer() {
...
Transport.send(msg);
...
}
Transport.java
public static void send(Message msg, Address[] addresses) throws
MessagingException {
msg.saveChanges();
send0(msg, addresses);
}
private static void send0(Message msg, Address[] addresses) throws
MessagingException {
...
/*
* Optimize the case of a single protocol.
*/
if (dsize == 1) {
transport = s.getTransport(addresses[0]);
try {
transport.connect();
transport.sendMessage(msg, addresses);
} finally {
transport.close();
}
return;
}
...
}
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