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Avoid extra epoll modifies when EPOLLOUT already set

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Mark Qvist 2026-08-24 20:52:23 +02:00
parent 5e013464da
commit 77f7632584
1 changed files with 2 additions and 1 deletions
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3
RNS/Interfaces/BackboneInterface.py
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@ -797,8 +797,9 @@ class BackboneClientInterface(Interface):
def process_outgoing(self, data): def process_outgoing(self, data):
if self.online and not self.detached: if self.online and not self.detached:
try: try:
buffer_was_empty = len(self.transmit_buffer) == 0
self.transmit_buffer += bytes([HDLC.FLAG])+HDLC.escape(data)+bytes([HDLC.FLAG]) self.transmit_buffer += bytes([HDLC.FLAG])+HDLC.escape(data)+bytes([HDLC.FLAG])
BackboneInterface.tx_ready(self) if buffer_was_empty: BackboneInterface.tx_ready(self)
except Exception as e: except Exception as e:
RNS.log("Exception occurred while transmitting via "+str(self)+", tearing down interface", RNS.LOG_ERROR) RNS.log("Exception occurred while transmitting via "+str(self)+", tearing down interface", RNS.LOG_ERROR)