micropython: add micropython component

components/language/micropython/tests/multi_net/tcp_client_rst.py

@@ -0,0 +1,57 @@
+# Test when client does a TCP RST on an open connection
+
+import struct, time, socket, select
+
+PORT = 8000
+
+
+def convert_poll_list(l):
+    # To be compatible across all ports/targets
+    return [ev for _, ev in l]
+
+
+# Server
+def instance0():
+    multitest.globals(IP=multitest.get_network_ip())
+    s = socket.socket()
+    s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    s.bind(socket.getaddrinfo("0.0.0.0", PORT)[0][-1])
+    s.listen(1)
+    multitest.next()
+    s2, _ = s.accept()
+    s2.setblocking(False)
+    poll = select.poll()
+    poll.register(s2, select.POLLIN)
+    time.sleep(0.4)
+    print(convert_poll_list(poll.poll(1000)))
+    # TODO: the following recv don't work with lwip, it abandons data upon TCP RST
+    try:
+        print(s2.recv(10))
+        print(convert_poll_list(poll.poll(1000)))
+        print(s2.recv(10))
+        print(convert_poll_list(poll.poll(1000)))
+        print(s2.recv(10))
+        print(convert_poll_list(poll.poll(1000)))
+    except OSError as er:
+        print(er.errno)
+    print(convert_poll_list(poll.poll(1000)))
+    # TODO lwip raises here but apparently it shouldn't
+    print(s2.recv(10))
+    print(convert_poll_list(poll.poll(1000)))
+    s2.close()
+    s.close()
+
+
+# Client
+def instance1():
+    if not hasattr(socket, "SO_LINGER"):
+        multitest.skip()
+    multitest.next()
+    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
+    s.connect(socket.getaddrinfo(IP, PORT)[0][-1])
+    lgr_onoff = 1
+    lgr_linger = 0
+    s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, struct.pack("ii", lgr_onoff, lgr_linger))
+    s.send(b"GET / HTTP/1.0\r\n\r\n")
+    time.sleep(0.2)
+    s.close()  # This issues a TCP RST since we've set the linger option