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legacy remote: use deques for the RPC call queues, fixes #10450 #10456

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Merged
ThomasWaldmann merged 1 commit into from
Sep 28, 2026
Merged

legacy remote: use deques for the RPC call queues, fixes #10450 #10456

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9 changes: 5 additions & 4 deletions src/borg/legacy/remote.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
import textwrap
import time
import traceback
from collections import deque
from subprocess import Popen, PIPE

import borg.logger
Expand Down Expand Up @@ -462,8 +463,8 @@ def handle_error(unpacked):
else:
raise self.RPCError(unpacked)

calls = list(calls)
waiting_for = []
calls = deque(calls)
waiting_for = deque()
send_buffer() # Try to send data, as some cases (async_response) will never try to send data otherwise.
try:
while wait or calls:
Expand All @@ -479,7 +480,7 @@ def handle_error(unpacked):
while waiting_for:
try:
unpacked = self.responses.pop(waiting_for[0])
waiting_for.pop(0)
waiting_for.popleft()
handle_error(unpacked)
result = unpacked[RESULT]
if self.borg1_server and cmd in BYTES_RESULT_METHODS:
Expand Down Expand Up @@ -565,7 +566,7 @@ def handle_error(unpacked):
_logger.warning("stderr: " + line.decode().strip())
if w:
while not self.to_send and calls and len(waiting_for) < MAX_INFLIGHT:
args = calls.pop(0)
args = calls.popleft()
self.msgid += 1
waiting_for.append(self.msgid)
self.to_send.push_back(msgpack.packb({MSGID: self.msgid, MSG: cmd, ARGS: args}))
Expand Down
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