[Diffusion] Qwen image support (#82)

Signed-off-by: zjy0516 <riverclouds.zhu@qq.com>

vllm_omni/diffusion/utils/network_utils.py

@@ -0,0 +1,19 @@
+import socket
+
+from vllm.logger import init_logger
+
+logger = init_logger(__name__)
+
+
+def is_port_available(port):
+    """Return whether a port is available."""
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+        try:
+            s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+            s.bind(("", port))
+            s.listen(1)
+            return True
+        except OSError:
+            return False
+        except OverflowError:
+            return False