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Send the first server flight in single record #506

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Send the first server flight in single record #506

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4 changes: 4 additions & 0 deletions tlslite/tlsconnection.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3009,6 +3009,7 @@ def _serverTLS13Handshake(self, settings, clientHello, cipherSuite,
clientHello.session_id,
cipherSuite, extensions=sh_extensions)

self.sock.buffer_writes = True
msgs = []
msgs.append(serverHello)
if not self._ccs_sent and clientHello.session_id:
Expand Down Expand Up @@ -3195,6 +3196,9 @@ def _serverTLS13Handshake(self, settings, clientHello, cipherSuite,
for result in self._queue_flush():
yield result

self.sock.flush()
self.sock.buffer_writes = False

self._changeReadState()

# Master secret
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3 changes: 0 additions & 3 deletions tlslite/tlsrecordlayer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -952,14 +952,11 @@ def _sendError(self, alertDescription, errorStr=None):

def _sendMsgs(self, msgs):
# send messages together in a single TCP write
self.sock.buffer_writes = True
randomizeFirstBlock = True
for msg in msgs:
for result in self._sendMsg(msg, randomizeFirstBlock):
yield result
randomizeFirstBlock = True
self.sock.flush()
self.sock.buffer_writes = False

def _sendMsg(self, msg, randomizeFirstBlock=True, update_hashes=True):
"""Fragment and send message through socket"""
Expand Down