Support Multi Process Tokenizer Manager(#6555) (#8964)

Signed-off-by: ybyang <ybyang7@iflytek.com>
Signed-off-by: huanglong <huanglong@linux.alibaba.com>
Co-authored-by: Huang Long <121648372+LLLL114@users.noreply.github.com>
Co-authored-by: huanglong <huanglong@linux.alibaba.com>
Co-authored-by: Shangming Cai <csmthu@gmail.com>

python/sglang/srt/utils.py

@@ -2787,6 +2787,20 @@ def lru_cache_frozenset(maxsize=128):
     return decorator
 
 
+def get_worker_ids_from_req_rids(rids):
+    if isinstance(rids, list):
+        worker_ids = [int(rid.split("_")[0]) for rid in rids]
+    elif isinstance(rids, str):
+        worker_ids = [int(rids.split("_")[0])]
+    else:
+        worker_ids = []
+    return worker_ids
+
+
+def get_origin_rid(rid):
+    return rid.split("_", 1)[1] if "_" in rid else rid
+
+
 def apply_module_patch(target_module, target_function, wrappers):
     original_module, original_function = parse_module_path(
         target_module, target_function, False