forked from project-chip/connectedhomeip
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request project-chip#534 from sagar-apple/upgrade_echo_server
Make the ESP32 Echo Server use Inet
- Loading branch information
Showing
4 changed files
with
209 additions
and
109 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| /* | ||
| * | ||
| * Copyright (c) 2020 Project CHIP Authors | ||
| * | ||
| * 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, softwarEchoe | ||
| * 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. | ||
| */ | ||
|
|
||
| #include <string.h> | ||
| #include <sys/param.h> | ||
| #include "freertos/FreeRTOS.h" | ||
| #include "freertos/task.h" | ||
| #include "esp_system.h" | ||
| #include "esp_wifi.h" | ||
| #include "esp_event.h" | ||
| #include "esp_log.h" | ||
| #include "nvs_flash.h" | ||
| #include "tcpip_adapter.h" | ||
|
|
||
| #include "lwip/err.h" | ||
| #include "lwip/sockets.h" | ||
| #include "lwip/sys.h" | ||
| #include <lwip/netdb.h> | ||
|
|
||
| #define PORT CONFIG_ECHO_PORT | ||
| #define RX_LEN 128 | ||
| #define ADDR_LEN 128 | ||
|
|
||
| #define HOST_IP_ADDR CONFIG_ECHO_HOST_IP | ||
|
|
||
| static const char * TAG = "echo_client"; | ||
| static const char * PAYLOAD = "Message from echo client!"; | ||
|
|
||
| static void udp_client_task(void * pvParameters) | ||
| { | ||
| char rx_buffer[RX_LEN]; | ||
| char host_ip[] = HOST_IP_ADDR; | ||
| int addr_family = 0; | ||
| int ip_protocol = 0; | ||
|
|
||
| while (1) | ||
| { | ||
| struct sockaddr_in dest_addr; | ||
| dest_addr.sin_addr.s_addr = inet_addr(HOST_IP_ADDR); | ||
| dest_addr.sin_family = AF_INET; | ||
| dest_addr.sin_port = htons(PORT); | ||
| addr_family = AF_INET; | ||
| ip_protocol = IPPROTO_IP; | ||
|
|
||
| int sock = socket(addr_family, SOCK_DGRAM, ip_protocol); | ||
| if (sock < 0) | ||
| { | ||
| ESP_LOGE(TAG, "Unable to create socket: errno %d", errno); | ||
| break; | ||
| } | ||
| ESP_LOGI(TAG, "Socket created, sending to %s:%d", HOST_IP_ADDR, PORT); | ||
|
|
||
| while (1) | ||
| { | ||
| int err = sendto(sock, PAYLOAD, strlen(PAYLOAD), 0, (struct sockaddr *) &dest_addr, sizeof(dest_addr)); | ||
| if (err < 0) | ||
| { | ||
| ESP_LOGE(TAG, "Error occurred during sending: errno %d", errno); | ||
| break; | ||
| } | ||
| ESP_LOGI(TAG, "Message sent"); | ||
|
|
||
| struct sockaddr_in source_addr; // Large enough for both IPv4 or IPv6 | ||
| socklen_t socklen = sizeof(source_addr); | ||
| int len = recvfrom(sock, rx_buffer, sizeof(rx_buffer) - 1, 0, (struct sockaddr *) &source_addr, &socklen); | ||
|
|
||
| // Error occurred during receiving | ||
| if (len < 0) | ||
| { | ||
| ESP_LOGE(TAG, "recvfrom failed: errno %d", errno); | ||
| continue; | ||
| } | ||
| // Data received | ||
| else | ||
| { | ||
| rx_buffer[len] = 0; // Null-terminate whatever we received and treat like a string | ||
| ESP_LOGI(TAG, "Received %d bytes from %s:", len, host_ip); | ||
| if (strncmp(rx_buffer, PAYLOAD, strlen(PAYLOAD)) == 0) | ||
| { | ||
| ESP_LOGI(TAG, "Received expected message..."); | ||
| } | ||
| } | ||
|
|
||
| vTaskDelay(5000 / portTICK_PERIOD_MS); | ||
| } | ||
|
|
||
| if (sock != -1) | ||
| { | ||
| ESP_LOGE(TAG, "Shutting down socket and restarting..."); | ||
| shutdown(sock, 0); | ||
| close(sock); | ||
| } | ||
| } | ||
| vTaskDelete(NULL); | ||
| } | ||
|
|
||
| // The echo client assumes the platform's networking has been setup already | ||
| void startClient(void) | ||
| { | ||
| xTaskCreate(udp_client_task, "udp_client", 4096, (void *) AF_INET, 5, NULL); | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters