test(fifa17): harden SBC retail acceptance

scripts/openfut-utas-observe.py

@@ -278,7 +278,7 @@ def cmd_parse(args):
     os.makedirs(out_dir, exist_ok=True)
     out_path = os.path.join(out_dir, "transactions.jsonl")
 
-    total, skipped = 0, 0
+    total, skipped, filtered = 0, 0, 0
     with open(out_path, "w") as out:
         for conn_id in sorted(conns):
             c = conns[conn_id]
@@ -298,6 +298,9 @@ def cmd_parse(args):
                 m = re.match(r"(\S+)\s+(\S+)\s+(HTTP/\d\.\d)", rl)
                 method, target, ver = (m.group(1), m.group(2), m.group(3)) if m else ("?", rl, "?")
                 path, _, query = target.partition("?")
+                if args.path_prefix and not path.startswith(args.path_prefix):
+                    filtered += 1
+                    continue
                 st = re.match(r"HTTP/\d\.\d\s+(\d+)", sl)
                 req_t, req_unix = time_at(c["marks"]["c2s"], rend - 1)
                 res_t, res_unix = time_at(c["marks"]["s2c"], max(send - 1, 0))
@@ -342,9 +345,14 @@ def cmd_parse(args):
                 total += 1
 
     os.chmod(out_path, 0o644)
+    detail = []
+    if skipped:
+        detail.append("%d unpaired messages reported above" % skipped)
+    if filtered:
+        detail.append("%d transactions excluded by path prefix" % filtered)
     print("wrote %s (%d transactions across %d connections%s)"
           % (out_path, total, len(conns),
-             "; %d unpaired messages reported above" % skipped if skipped else ""))
+             "; " + "; ".join(detail) if detail else ""))
     return 0
 
 
@@ -587,6 +595,8 @@ def main():
     # fixture for the whole response.
     p.add_argument("--max-body", type=int, default=0,
                    help="bytes; 0 = keep every body in full")
+    p.add_argument("--path-prefix", default="",
+                   help="emit only transactions whose request path starts with this prefix")
     p.set_defaults(fn=cmd_parse)
 
     s = sub.add_parser("snapshot")