refactoring

proxy/stats.py

@@ -0,0 +1,33 @@
+from .utils import human_bytes
+
+class _Stats:
+    def __init__(self):
+        self.connections_total = 0
+        self.connections_active = 0
+        self.connections_ws = 0
+        self.connections_tcp_fallback = 0
+        self.connections_cfproxy = 0
+        self.connections_bad = 0
+        self.ws_errors = 0
+        self.bytes_up = 0
+        self.bytes_down = 0
+        self.pool_hits = 0
+        self.pool_misses = 0
+
+    def summary(self) -> str:
+        pool_total = self.pool_hits + self.pool_misses
+        pool_s = (f"{self.pool_hits}/{pool_total}"
+                  if pool_total else "n/a")
+        return (f"total={self.connections_total} "
+                f"active={self.connections_active} "
+                f"ws={self.connections_ws} "
+                f"tcp_fb={self.connections_tcp_fallback} "
+                f"cf={self.connections_cfproxy} "
+                f"bad={self.connections_bad} "
+                f"err={self.ws_errors} "
+                f"pool={pool_s} "
+                f"up={human_bytes(self.bytes_up)} "
+                f"down={human_bytes(self.bytes_down)}")
+
+
+stats = _Stats()