[Utils] Move network/socket utilities from common.py to network.py (#20646)

test/manual/test_tracing.py

@@ -12,7 +12,8 @@ import zmq
 from sglang import Engine
 from sglang.srt.observability.trace import *
 from sglang.srt.observability.trace import get_cur_time_ns, set_global_trace_level
-from sglang.srt.utils import get_zmq_socket, kill_process_tree
+from sglang.srt.utils import kill_process_tree
+from sglang.srt.utils.network import get_zmq_socket
 from sglang.test.test_utils import (
     DEFAULT_SMALL_MODEL_NAME_FOR_TEST,
     DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,

test/registered/distributed/test_epd_disaggregation.py

@@ -8,7 +8,8 @@ import grpc
 import zmq
 from grpc_health.v1 import health_pb2, health_pb2_grpc
 
-from sglang.srt.utils import get_zmq_socket_on_host, kill_process_tree
+from sglang.srt.utils import kill_process_tree
+from sglang.srt.utils.network import get_zmq_socket_on_host
 from sglang.test.ci.ci_register import register_cuda_ci
 from sglang.test.kits.mmmu_vlm_kit import _run_lmms_eval_with_retry
 from sglang.test.server_fixtures.disaggregation_fixture import (

test/registered/utils/test_socket_utils.py

@@ -3,7 +3,7 @@ import socket
 import unittest
 from unittest.mock import patch
 
-from sglang.srt.utils.common import (
+from sglang.srt.utils.network import (
     _get_addrinfos_for_bind,
     bind_port,
     get_free_port,
@@ -78,7 +78,7 @@ class TestTryBindSocket(CustomTestCase):
     def test_gaierror_fallback(self):
         """_get_addrinfos_for_bind should fall back to AF_INET on gaierror."""
         with patch(
-            "sglang.srt.utils.common.socket.getaddrinfo",
+            "sglang.srt.utils.network.socket.getaddrinfo",
             side_effect=socket.gaierror("mocked"),
         ):
             infos = _get_addrinfos_for_bind()
@@ -90,7 +90,7 @@ class TestTryBindSocket(CustomTestCase):
     def test_gaierror_fallback_preserves_host(self):
         """Fallback should use the provided host, not default to 0.0.0.0."""
         with patch(
-            "sglang.srt.utils.common.socket.getaddrinfo",
+            "sglang.srt.utils.network.socket.getaddrinfo",
             side_effect=socket.gaierror("mocked"),
         ):
             infos = _get_addrinfos_for_bind(host="10.0.0.1", port=8080)
@@ -187,7 +187,7 @@ class TestReservePort(CustomTestCase):
     def test_reserve_port_no_free_port_raises(self):
         """reserve_port should raise RuntimeError if no port is available."""
         with patch(
-            "sglang.srt.utils.common.try_bind_socket",
+            "sglang.srt.utils.network.try_bind_socket",
             side_effect=OSError("mocked"),
         ):
             with self.assertRaises(RuntimeError):