example: add socket scripts again

examples/protocols/sockets/scripts/run_tcp_client.py

@@ -0,0 +1,50 @@
+# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Unlicense OR CC0-1.0
+import argparse
+import os
+import socket
+
+DEF_PORT = 3333
+DEF_MESSAGE = 'Data to ESP'
+
+
+def tcp_client(address: str, port: int, payload: str) -> str:
+    for res in socket.getaddrinfo(address, port, socket.AF_UNSPEC,
+                                  socket.SOCK_STREAM, 0, socket.AI_PASSIVE):
+        family_addr, _, _, _, addr = res
+    try:
+        sock = socket.socket(family_addr, socket.SOCK_STREAM)
+        sock.settimeout(60.0)
+    except socket.error as msg:
+        print('Could not create socket')
+        print(os.strerror(msg.errno))
+        raise
+    try:
+        sock.connect(addr)
+    except socket.error as e:
+        print('Could not open socket: ' + str(e))
+        sock.close()
+        raise
+    sock.sendall(payload.encode())
+    data = sock.recv(1024)
+    if not data:
+        return ''
+    print('Reply : ' + data.decode())
+    sock.close()
+    return data.decode()
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser()
+    parser.add_argument('remote_ip', help='TCP server ip address, eg: 192.168.1.1, fe80::2%%eth0')
+    parser.add_argument('--port', default=DEF_PORT, type=int, help='TCP server port')
+    parser.add_argument('--message', default=DEF_MESSAGE, help='Message to send to the server.')
+    args = parser.parse_args()
+
+    print(f'Send message to the server: {args.remote_ip}')
+    data = tcp_client(args.remote_ip, args.port, args.message)
+    print(f'Received From server: {data}')
+
+
+if __name__ == '__main__':
+    main()