openthread: add iperf example for ot-network test

examples/openthread/ot_cli/main/esp_ot_udp_socket.c

@@ -1,16 +1,8 @@
-// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+*/
 
 #include "esp_check.h"
 #include "esp_err.h"
@@ -30,8 +22,9 @@ static void udp_socket_server_task(void *pvParameters)
     int err = 0;
     int len;
     int listen_sock;
+
     int port = CONFIG_OPENTHREAD_CLI_UDP_SERVER_PORT;
-    struct timeval timeout;
+    struct timeval timeout = { 0 };
     struct sockaddr_storage source_addr; // Large enough for both IPv4 or IPv6
     struct sockaddr_in6 listen_addr;
 
@@ -39,7 +32,7 @@ static void udp_socket_server_task(void *pvParameters)
     listen_addr.sin6_family = AF_INET6;
     listen_addr.sin6_port = htons(port);
 
-    listen_sock = socket(AF_INET6, SOCK_DGRAM, IPPROTO_IPV6);
+    listen_sock = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
     ESP_GOTO_ON_FALSE((listen_sock >= 0), ESP_OK, exit, TAG, "Unable to create socket: errno %d", errno);
     ESP_LOGI(TAG, "Socket created");
 
@@ -98,7 +91,7 @@ static void udp_socket_client_task(void *pvParameters)
     dest_addr.sin6_family = AF_INET6;
     dest_addr.sin6_port = htons(port);
 
-    client_sock = socket(AF_INET6, SOCK_DGRAM, IPPROTO_IPV6);
+    client_sock = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
     ESP_GOTO_ON_FALSE((client_sock >= 0), ESP_OK, exit, TAG, "Unable to create socket: errno %d", errno);
     ESP_LOGI(TAG, "Socket created, sending to %s:%d", host_ip, port);
 
@@ -135,7 +128,7 @@ void esp_ot_process_udp_client(void *aContext, uint8_t aArgsLength, char *aArgs[
 {
     (void)(aContext);
     (void)(aArgsLength);
-    if (aArgs[0] == NULL) {
+    if (aArgsLength == 0) {
         ESP_LOGE(TAG, "Invalid arguments.");
     } else {
         xTaskCreate(udp_socket_client_task, "ot_udp_socket_client", 4096, aArgs[0], 4, NULL);