From 5ac9ac9a38a7578d9f9ef55aa4053d36cec2a8cc Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 22 Feb 2026 20:40:28 +0000
Subject: [PATCH 1/3] Initial plan


From 8704545e3c31cdb39d9c36d1516e661451cacd23 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 22 Feb 2026 20:43:24 +0000
Subject: [PATCH 2/3] Fix setsockopt signature to match standard socket API

Co-authored-by: mindflayer <527325+mindflayer@users.noreply.github.com>
---
 mocket/socket.py | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/mocket/socket.py b/mocket/socket.py
index 03868bf..bd79528 100644
--- a/mocket/socket.py
+++ b/mocket/socket.py
@@ -225,20 +225,26 @@ def gettimeout(self) -> float | None:
         """
         return self._timeout
 
-    def setsockopt(self, family: int, type: int, proto: int) -> None:
-        """Set socket options.
+    def setsockopt(
+        self,
+        level: int,
+        optname: int,
+        value: int | bytes | None,
+        optlen: int | None = None,
+    ) -> None:
+        """Set socket option.
 
         Args:
-            family: Address family
-            type: Socket type
-            proto: Protocol number
+            level: Socket option level (e.g., socket.SOL_SOCKET)
+            optname: Socket option name (e.g., socket.SO_REUSEADDR)
+            value: Option value as an integer or bytes, or None when optlen is provided
+            optlen: Option length (used when value is None)
         """
-        self._family = family
-        self._type = type
-        self._proto = proto
-
         if self._true_socket:
-            self._true_socket.setsockopt(family, type, proto)
+            if optlen is not None:
+                self._true_socket.setsockopt(level, optname, value, optlen)
+            else:
+                self._true_socket.setsockopt(level, optname, value)
 
     def settimeout(self, timeout: float | None) -> None:
         """Set the socket timeout.

From bab96a118815a2ebc2bb95e963831985737d8929 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 22 Feb 2026 21:33:37 +0000
Subject: [PATCH 3/3] Add tests for setsockopt with and without optlen

Co-authored-by: mindflayer <527325+mindflayer@users.noreply.github.com>
---
 tests/test_socket.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/tests/test_socket.py b/tests/test_socket.py
index dad62a3..68e71ae 100644
--- a/tests/test_socket.py
+++ b/tests/test_socket.py
@@ -1,4 +1,6 @@
 import socket
+import struct
+from unittest.mock import MagicMock
 
 import pytest
 
@@ -126,3 +128,22 @@ def test_recvfrom_into():
     assert nbytes == len(test_data)
     assert buf[:nbytes] == test_data
     assert addr == sock._address
+
+
+def test_setsockopt_without_optlen():
+    sock = MocketSocket(socket.AF_INET, socket.SOCK_STREAM)
+    sock._true_socket = MagicMock()
+    sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    sock._true_socket.setsockopt.assert_called_once_with(
+        socket.SOL_SOCKET, socket.SO_REUSEADDR, 1
+    )
+
+
+def test_setsockopt_with_optlen():
+    sock = MocketSocket(socket.AF_INET, socket.SOCK_STREAM)
+    sock._true_socket = MagicMock()
+    linger_value = struct.pack("ii", 1, 5)
+    sock.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, linger_value, len(linger_value))
+    sock._true_socket.setsockopt.assert_called_once_with(
+        socket.SOL_SOCKET, socket.SO_LINGER, linger_value, len(linger_value)
+    )