lgoldstein commented on a change in pull request #123:
URL: https://github.com/apache/mina-sshd/pull/123#discussion_r412178637
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File path:
sshd-core/src/main/java/org/apache/sshd/common/session/helpers/AbstractSession.java
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@@ -954,7 +954,9 @@ protected IoWriteFuture doWritePacket(Buffer buffer) throws
IOException {
synchronized (encodeLock) {
Buffer packet = resolveOutputPacket(buffer);
IoSession networkSession = getIoSession();
- return networkSession.writePacket(packet);
+ IoWriteFuture future = networkSession.writePacket(packet);
+ buffer.rpos(buffer.wpos());
+ return future;
Review comment:
>> So while the packet is yet to be written, the buffer won't be used
anymore and is consumed at the time the buffer.rpos(buffer.wpos()) is called.
That was not what I meant - `networkSession#writePacket` might be
asynchronous - i.e., posts the buffer for writing and returns immediately - so
when it attempt to access `rpos` it might use the wrong one since we override
it.
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