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-rwxr-xr-xtest/functional/test_framework/mininode.py10
1 files changed, 9 insertions, 1 deletions
diff --git a/test/functional/test_framework/mininode.py b/test/functional/test_framework/mininode.py
index 2607b9b07c..03b7c6e50c 100755
--- a/test/functional/test_framework/mininode.py
+++ b/test/functional/test_framework/mininode.py
@@ -1654,6 +1654,7 @@ class NodeConn(asyncore.dispatcher):
self.dstaddr = dstaddr
self.dstport = dstport
self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
+ self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
self.sendbuf = b""
self.recvbuf = b""
self.ver_send = 209
@@ -1792,7 +1793,14 @@ class NodeConn(asyncore.dispatcher):
tmsg += h[:4]
tmsg += data
with mininode_lock:
- self.sendbuf += tmsg
+ if (len(self.sendbuf) == 0 and not pushbuf):
+ try:
+ sent = self.send(tmsg)
+ self.sendbuf = tmsg[sent:]
+ except BlockingIOError:
+ self.sendbuf = tmsg
+ else:
+ self.sendbuf += tmsg
self.last_sent = time.time()
def got_message(self, message):