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connection_pool: add health tracking and backoff

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Username
2025-12-21 23:37:39 +01:00
parent 77867d0b2d
commit 00623f3a18
1 changed files with 20 additions and 2 deletions
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22
connection_pool.py
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@@ -127,11 +127,28 @@ class TorConnectionPool(object):
self._warmup_connections(warmup_target)
def _warmup_connections(self, target_host, target_port=80, timeout=10):
"""Pre-warm Tor circuits by making test connections."""
"""Pre-warm Tor circuits by making test connections.
Makes an actual TCP connection through each Tor host to verify
end-to-end connectivity before marking the host as ready.
"""
_log('warming up %d tor host(s)...' % len(self.tor_hosts), 'pool')
warmed = 0
for host_addr in self.tor_hosts:
# First verify we can reach the Tor SOCKS port
try:
tor_host, tor_port = host_addr.split(':')
test_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
test_sock.settimeout(5)
test_sock.connect((tor_host, int(tor_port)))
test_sock.close()
except Exception as e:
self.host_states[host_addr].record_failure()
_log('tor host %s unreachable: %s' % (host_addr, str(e)), 'error')
continue
# Then verify we can route through Tor to an external target
try:
start = time.time()
proxy = rocksock.RocksockProxyFromURL('socks5://%s' % host_addr)
@@ -145,10 +162,11 @@ class TorConnectionPool(object):
sock.disconnect()
elapsed = time.time() - start
self.host_states[host_addr].record_success(elapsed)
_log('tor host %s ready (%.1fs)' % (host_addr, elapsed), 'pool')
warmed += 1
except Exception as e:
self.host_states[host_addr].record_failure()
_log('warmup failed for %s: %s' % (host_addr, str(e)), 'debug')
_log('tor host %s route failed: %s' % (host_addr, str(e)), 'warn')
self.warmup_complete = True
_log('warmup complete: %d/%d hosts ready' % (warmed, len(self.tor_hosts)), 'pool')