HTTP Server to test

ESPTest/.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+  "files.associations": {
+    "esp_wifi_default.h": "c"
+  }
+}

ESPTest/sdkconfig.az-delivery-devkit-v4

@@ -44,12 +44,12 @@ CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_SIZE=y
 # CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_PERF is not set
 # CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_NONE is not set
 # CONFIG_BOOTLOADER_LOG_LEVEL_NONE is not set
-# CONFIG_BOOTLOADER_LOG_LEVEL_ERROR is not set
+CONFIG_BOOTLOADER_LOG_LEVEL_ERROR=y
-CONFIG_BOOTLOADER_LOG_LEVEL_WARN=y
+# CONFIG_BOOTLOADER_LOG_LEVEL_WARN is not set
 # CONFIG_BOOTLOADER_LOG_LEVEL_INFO is not set
 # CONFIG_BOOTLOADER_LOG_LEVEL_DEBUG is not set
 # CONFIG_BOOTLOADER_LOG_LEVEL_VERBOSE is not set
-CONFIG_BOOTLOADER_LOG_LEVEL=2
+CONFIG_BOOTLOADER_LOG_LEVEL=1
 # CONFIG_BOOTLOADER_VDDSDIO_BOOST_1_8V is not set
 CONFIG_BOOTLOADER_VDDSDIO_BOOST_1_9V=y
 # CONFIG_BOOTLOADER_FACTORY_RESET is not set
@@ -159,12 +159,6 @@ CONFIG_APPTRACE_DEST_NONE=y
 CONFIG_APPTRACE_LOCK_ENABLE=y
 # end of Application Level Tracing
 
-#
-# ESP-ASIO
-#
-# CONFIG_ASIO_SSL_SUPPORT is not set
-# end of ESP-ASIO
-
 #
 # Bluetooth
 #
@@ -200,14 +194,7 @@ CONFIG_BT_RESERVE_DRAM=0
 CONFIG_BT_NIMBLE_USE_ESP_TIMER=y
 # end of Bluetooth
 
-#
-# CoAP Configuration
-#
-CONFIG_COAP_MBEDTLS_PSK=y
-# CONFIG_COAP_MBEDTLS_PKI is not set
-# CONFIG_COAP_MBEDTLS_DEBUG is not set
 CONFIG_COAP_LOG_DEFAULT_LEVEL=0
-# end of CoAP Configuration
 
 #
 # Driver configurations
@@ -669,9 +656,9 @@ CONFIG_LOG_DEFAULT_LEVEL_INFO=y
 # CONFIG_LOG_DEFAULT_LEVEL_DEBUG is not set
 # CONFIG_LOG_DEFAULT_LEVEL_VERBOSE is not set
 CONFIG_LOG_DEFAULT_LEVEL=3
-CONFIG_LOG_COLORS=y
+# CONFIG_LOG_COLORS is not set
-# CONFIG_LOG_TIMESTAMP_SOURCE_RTOS is not set
+CONFIG_LOG_TIMESTAMP_SOURCE_RTOS=y
-CONFIG_LOG_TIMESTAMP_SOURCE_SYSTEM=y
+# CONFIG_LOG_TIMESTAMP_SOURCE_SYSTEM is not set
 # end of Log output
 
 #
@@ -690,9 +677,7 @@ CONFIG_LWIP_SO_REUSE_RXTOALL=y
 # CONFIG_LWIP_SO_RCVBUF is not set
 # CONFIG_LWIP_NETBUF_RECVINFO is not set
 CONFIG_LWIP_IP4_FRAG=y
-CONFIG_LWIP_IP6_FRAG=y
 # CONFIG_LWIP_IP4_REASSEMBLY is not set
-# CONFIG_LWIP_IP6_REASSEMBLY is not set
 # CONFIG_LWIP_IP_FORWARD is not set
 # CONFIG_LWIP_STATS is not set
 # CONFIG_LWIP_ETHARP_TRUST_IP_MAC is not set
@@ -712,8 +697,7 @@ CONFIG_LWIP_DHCPS_MAX_STATION_NUM=8
 # end of DHCP server
 
 # CONFIG_LWIP_AUTOIP is not set
-CONFIG_LWIP_IPV6=y
+# CONFIG_LWIP_IPV6 is not set
-# CONFIG_LWIP_IPV6_AUTOCONFIG is not set
 CONFIG_LWIP_NETIF_LOOPBACK=y
 CONFIG_LWIP_LOOPBACK_MAX_PBUFS=8
 
@@ -761,8 +745,6 @@ CONFIG_LWIP_TCPIP_TASK_AFFINITY_NO_AFFINITY=y
 # CONFIG_LWIP_TCPIP_TASK_AFFINITY_CPU1 is not set
 CONFIG_LWIP_TCPIP_TASK_AFFINITY=0x7FFFFFFF
 # CONFIG_LWIP_PPP_SUPPORT is not set
-CONFIG_LWIP_IPV6_MEMP_NUM_ND6_QUEUE=3
-CONFIG_LWIP_IPV6_ND6_NUM_NEIGHBORS=5
 # CONFIG_LWIP_SLIP_SUPPORT is not set
 
 #
@@ -794,9 +776,6 @@ CONFIG_LWIP_ESP_LWIP_ASSERT=y
 # CONFIG_LWIP_HOOK_TCP_ISN_NONE is not set
 CONFIG_LWIP_HOOK_TCP_ISN_DEFAULT=y
 # CONFIG_LWIP_HOOK_TCP_ISN_CUSTOM is not set
-CONFIG_LWIP_HOOK_IP6_ROUTE_NONE=y
-# CONFIG_LWIP_HOOK_IP6_ROUTE_DEFAULT is not set
-# CONFIG_LWIP_HOOK_IP6_ROUTE_CUSTOM is not set
 CONFIG_LWIP_HOOK_NETCONN_EXT_RESOLVE_NONE=y
 # CONFIG_LWIP_HOOK_NETCONN_EXT_RESOLVE_DEFAULT is not set
 # CONFIG_LWIP_HOOK_NETCONN_EXT_RESOLVE_CUSTOM is not set
@@ -1141,12 +1120,12 @@ CONFIG_WPA_MBEDTLS_CRYPTO=y
 # Deprecated options for backward compatibility
 CONFIG_TOOLPREFIX="xtensa-esp32-elf-"
 # CONFIG_LOG_BOOTLOADER_LEVEL_NONE is not set
-# CONFIG_LOG_BOOTLOADER_LEVEL_ERROR is not set
+CONFIG_LOG_BOOTLOADER_LEVEL_ERROR=y
-CONFIG_LOG_BOOTLOADER_LEVEL_WARN=y
+# CONFIG_LOG_BOOTLOADER_LEVEL_WARN is not set
 # CONFIG_LOG_BOOTLOADER_LEVEL_INFO is not set
 # CONFIG_LOG_BOOTLOADER_LEVEL_DEBUG is not set
 # CONFIG_LOG_BOOTLOADER_LEVEL_VERBOSE is not set
-CONFIG_LOG_BOOTLOADER_LEVEL=2
+CONFIG_LOG_BOOTLOADER_LEVEL=1
 # CONFIG_APP_ROLLBACK_ENABLE is not set
 # CONFIG_FLASH_ENCRYPTION_ENABLED is not set
 # CONFIG_FLASHMODE_QIO is not set

ESPTest/sdkconfig.az-delivery-devkit-v4.old

@@ -44,12 +44,12 @@ CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_SIZE=y
 # CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_PERF is not set
 # CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_NONE is not set
 # CONFIG_BOOTLOADER_LOG_LEVEL_NONE is not set
-# CONFIG_BOOTLOADER_LOG_LEVEL_ERROR is not set
+CONFIG_BOOTLOADER_LOG_LEVEL_ERROR=y
-CONFIG_BOOTLOADER_LOG_LEVEL_WARN=y
+# CONFIG_BOOTLOADER_LOG_LEVEL_WARN is not set
 # CONFIG_BOOTLOADER_LOG_LEVEL_INFO is not set
 # CONFIG_BOOTLOADER_LOG_LEVEL_DEBUG is not set
 # CONFIG_BOOTLOADER_LOG_LEVEL_VERBOSE is not set
-CONFIG_BOOTLOADER_LOG_LEVEL=2
+CONFIG_BOOTLOADER_LOG_LEVEL=1
 # CONFIG_BOOTLOADER_VDDSDIO_BOOST_1_8V is not set
 CONFIG_BOOTLOADER_VDDSDIO_BOOST_1_9V=y
 # CONFIG_BOOTLOADER_FACTORY_RESET is not set
@@ -159,12 +159,6 @@ CONFIG_APPTRACE_DEST_NONE=y
 CONFIG_APPTRACE_LOCK_ENABLE=y
 # end of Application Level Tracing
 
-#
-# ESP-ASIO
-#
-# CONFIG_ASIO_SSL_SUPPORT is not set
-# end of ESP-ASIO
-
 #
 # Bluetooth
 #
@@ -200,14 +194,7 @@ CONFIG_BT_RESERVE_DRAM=0
 CONFIG_BT_NIMBLE_USE_ESP_TIMER=y
 # end of Bluetooth
 
-#
-# CoAP Configuration
-#
-CONFIG_COAP_MBEDTLS_PSK=y
-# CONFIG_COAP_MBEDTLS_PKI is not set
-# CONFIG_COAP_MBEDTLS_DEBUG is not set
 CONFIG_COAP_LOG_DEFAULT_LEVEL=0
-# end of CoAP Configuration
 
 #
 # Driver configurations
@@ -664,12 +651,12 @@ CONFIG_HEAP_TRACING_OFF=y
 #
 # CONFIG_LOG_DEFAULT_LEVEL_NONE is not set
 # CONFIG_LOG_DEFAULT_LEVEL_ERROR is not set
-# CONFIG_LOG_DEFAULT_LEVEL_WARN is not set
+CONFIG_LOG_DEFAULT_LEVEL_WARN=y
 # CONFIG_LOG_DEFAULT_LEVEL_INFO is not set
 # CONFIG_LOG_DEFAULT_LEVEL_DEBUG is not set
-CONFIG_LOG_DEFAULT_LEVEL_VERBOSE=y
+# CONFIG_LOG_DEFAULT_LEVEL_VERBOSE is not set
-CONFIG_LOG_DEFAULT_LEVEL=5
+CONFIG_LOG_DEFAULT_LEVEL=2
-CONFIG_LOG_COLORS=y
+# CONFIG_LOG_COLORS is not set
 # CONFIG_LOG_TIMESTAMP_SOURCE_RTOS is not set
 CONFIG_LOG_TIMESTAMP_SOURCE_SYSTEM=y
 # end of Log output
@@ -690,9 +677,7 @@ CONFIG_LWIP_SO_REUSE_RXTOALL=y
 # CONFIG_LWIP_SO_RCVBUF is not set
 # CONFIG_LWIP_NETBUF_RECVINFO is not set
 CONFIG_LWIP_IP4_FRAG=y
-CONFIG_LWIP_IP6_FRAG=y
 # CONFIG_LWIP_IP4_REASSEMBLY is not set
-# CONFIG_LWIP_IP6_REASSEMBLY is not set
 # CONFIG_LWIP_IP_FORWARD is not set
 # CONFIG_LWIP_STATS is not set
 # CONFIG_LWIP_ETHARP_TRUST_IP_MAC is not set
@@ -712,8 +697,7 @@ CONFIG_LWIP_DHCPS_MAX_STATION_NUM=8
 # end of DHCP server
 
 # CONFIG_LWIP_AUTOIP is not set
-CONFIG_LWIP_IPV6=y
+# CONFIG_LWIP_IPV6 is not set
-# CONFIG_LWIP_IPV6_AUTOCONFIG is not set
 CONFIG_LWIP_NETIF_LOOPBACK=y
 CONFIG_LWIP_LOOPBACK_MAX_PBUFS=8
 
@@ -761,8 +745,6 @@ CONFIG_LWIP_TCPIP_TASK_AFFINITY_NO_AFFINITY=y
 # CONFIG_LWIP_TCPIP_TASK_AFFINITY_CPU1 is not set
 CONFIG_LWIP_TCPIP_TASK_AFFINITY=0x7FFFFFFF
 # CONFIG_LWIP_PPP_SUPPORT is not set
-CONFIG_LWIP_IPV6_MEMP_NUM_ND6_QUEUE=3
-CONFIG_LWIP_IPV6_ND6_NUM_NEIGHBORS=5
 # CONFIG_LWIP_SLIP_SUPPORT is not set
 
 #
@@ -794,9 +776,6 @@ CONFIG_LWIP_ESP_LWIP_ASSERT=y
 # CONFIG_LWIP_HOOK_TCP_ISN_NONE is not set
 CONFIG_LWIP_HOOK_TCP_ISN_DEFAULT=y
 # CONFIG_LWIP_HOOK_TCP_ISN_CUSTOM is not set
-CONFIG_LWIP_HOOK_IP6_ROUTE_NONE=y
-# CONFIG_LWIP_HOOK_IP6_ROUTE_DEFAULT is not set
-# CONFIG_LWIP_HOOK_IP6_ROUTE_CUSTOM is not set
 CONFIG_LWIP_HOOK_NETCONN_EXT_RESOLVE_NONE=y
 # CONFIG_LWIP_HOOK_NETCONN_EXT_RESOLVE_DEFAULT is not set
 # CONFIG_LWIP_HOOK_NETCONN_EXT_RESOLVE_CUSTOM is not set

ESPTest/src/main.c

@@ -8,6 +8,7 @@
 #include "esp_event.h"
 #include "esp_log.h"
 #include "nvs_flash.h"
+#include <esp_http_server.h>
 
 #include "lwip/err.h"
 #include "lwip/sys.h"
@@ -21,7 +22,8 @@ static EventGroupHandle_t s_wifi_event_group;
 #define WIFI_CONNECTED_BIT BIT0
 #define WIFI_FAIL_BIT BIT1
 
-static const char *TAG = "wifi station";
+static const char *WIFI_TAG = "wifi station";
+static const char *SERVER_TAG = "http server";
 
 static int s_retry_num = 0;
 
@@ -38,18 +40,18 @@ static void event_handler(void *arg, esp_event_base_t event_base,
         {
             esp_wifi_connect();
             s_retry_num++;
-            ESP_LOGI(TAG, "retry to connect to the AP");
+            ESP_LOGI(WIFI_TAG, "retry to connect to the AP");
         }
         else
         {
             xEventGroupSetBits(s_wifi_event_group, WIFI_FAIL_BIT);
         }
-        ESP_LOGI(TAG, "connect to the AP fail");
+        ESP_LOGI(WIFI_TAG, "connect to the AP fail");
     }
     else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP)
     {
         ip_event_got_ip_t *event = (ip_event_got_ip_t *)event_data;
-        ESP_LOGI(TAG, "got ip:" IPSTR, IP2STR(&event->ip_info.ip));
+        ESP_LOGI(WIFI_TAG, "got ip:" IPSTR, IP2STR(&event->ip_info.ip));
         s_retry_num = 0;
         xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
     }
@@ -90,7 +92,7 @@ void wifi_init_sta(void)
     ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config));
     ESP_ERROR_CHECK(esp_wifi_start());
 
-    ESP_LOGI(TAG, "wifi_init_sta finished.");
+    ESP_LOGI(WIFI_TAG, "wifi_init_sta finished.");
 
     /* Waiting until either the connection is established (WIFI_CONNECTED_BIT) or connection failed for the maximum
      * number of re-tries (WIFI_FAIL_BIT). The bits are set by event_handler() (see above) */
@@ -104,20 +106,100 @@ void wifi_init_sta(void)
      * happened. */
     if (bits & WIFI_CONNECTED_BIT)
     {
-        ESP_LOGI(TAG, "connected to ap");
+        ESP_LOGI(WIFI_TAG, "connected to ap");
     }
     else if (bits & WIFI_FAIL_BIT)
     {
-        ESP_LOGI(TAG, "Failed to connect");
+        ESP_LOGI(WIFI_TAG, "Failed to connect");
     }
     else
     {
-        ESP_LOGE(TAG, "UNEXPECTED EVENT");
+        ESP_LOGE(WIFI_TAG, "UNEXPECTED EVENT");
+    }
+}
+
+int my_hook(struct pbuf *pbuf, struct netif *input_netif)
+{
+    ESP_LOGI(WIFI_TAG, "TESTING!");
+    return ESP_OK;
+}
+
+#define LWIP_HOOK_IP4_INPUT(pbuf, input_netif) my_hook(pbuf, input_netif)
+
+static esp_err_t hello_get_handler(httpd_req_t *req)
+{
+    /* Send response with custom headers and body set as the
+     * string passed in user context*/
+    const char *resp_str = (const char *)req->user_ctx;
+    httpd_resp_send(req, resp_str, HTTPD_RESP_USE_STRLEN);
+    return ESP_OK;
+}
+
+static const httpd_uri_t hello = {
+    .uri = "/hello",
+    .method = HTTP_GET,
+    .handler = hello_get_handler,
+    .user_ctx = "Hello World!"};
+
+static httpd_handle_t start_webserver(void)
+{
+    httpd_handle_t server = NULL;
+    httpd_config_t config = HTTPD_DEFAULT_CONFIG();
+    config.lru_purge_enable = true;
+
+    // Start the httpd server
+    ESP_LOGI(SERVER_TAG, "Starting server on port: '%d'", config.server_port);
+    if (httpd_start(&server, &config) == ESP_OK)
+    {
+        // Set URI handlers
+        ESP_LOGI(SERVER_TAG, "Registering URI handlers");
+        httpd_register_uri_handler(server, &hello);
+        return server;
+    }
+
+    ESP_LOGI(SERVER_TAG, "Error starting server!");
+    return NULL;
+}
+
+static esp_err_t stop_webserver(httpd_handle_t server)
+{
+    // Stop the httpd server
+    return httpd_stop(server);
+}
+
+static void disconnect_handler(void *arg, esp_event_base_t event_base,
+                               int32_t event_id, void *event_data)
+{
+    httpd_handle_t *server = (httpd_handle_t *)arg;
+    if (*server)
+    {
+        ESP_LOGI(SERVER_TAG, "Stopping webserver");
+        if (stop_webserver(*server) == ESP_OK)
+        {
+            *server = NULL;
+        }
+        else
+        {
+            ESP_LOGE(SERVER_TAG, "Failed to stop http server");
+        }
+    }
+}
+
+static void connect_handler(void *arg, esp_event_base_t event_base,
+                            int32_t event_id, void *event_data)
+{
+    httpd_handle_t *server = (httpd_handle_t *)arg;
+    if (*server == NULL)
+    {
+        ESP_LOGI(SERVER_TAG, "Starting webserver");
+        *server = start_webserver();
     }
 }
 
 void app_main(void)
 {
+    static httpd_handle_t server = NULL;
+
     esp_err_t ret = nvs_flash_init();
     if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND)
     {
@@ -126,6 +208,10 @@ void app_main(void)
     }
     ESP_ERROR_CHECK(ret);
 
-    ESP_LOGI(TAG, "ESP_WIFI_MODE_STA");
+    ESP_LOGI(WIFI_TAG, "ESP_WIFI_MODE_STA");
     wifi_init_sta();
-}
+
+    ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &connect_handler, &server));
+    ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED, &disconnect_handler, &server));
+    server = start_webserver();
+}