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webserver uri handler

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0xFEEDC0DE64
2021-07-13 10:31:36 +02:00
parent 40ad1d87e8
commit 7226ea3883
1 changed files with 225 additions and 0 deletions
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225
main/main.cpp
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@@ -15,6 +15,7 @@
#endif
#include <nvs_flash.h>
#include <esp_http_server.h>
#include <mdns.h>
// Arduino includes
#include <Arduino.h>
@@ -22,11 +23,24 @@
// local includes
#include "espwifistack.h"
#include "tickchrono.h"
#include "wrappers/mqtt_client.h"
using namespace std::chrono_literals;
namespace {
constexpr const char * const TAG = "MAIN";
espcpputils::mqtt_client mqttClient;
bool lightState{};
bool switchState{};
//espchrono::millis_clock::time_point lastLightToggle;
//espchrono::millis_clock::time_point lastSwitchToggle;
esp_err_t webserver_handler(httpd_req_t *req);
void mqttEventHandler(void *event_handler_arg, esp_event_base_t event_base, int32_t event_id, void *event_data);
} // namespace
extern "C" void app_main()
@@ -132,6 +146,76 @@ extern "C" void app_main()
// return result;
}
{
httpd_uri_t uri {
.uri = "/",
.method = HTTP_GET,
.handler = webserver_handler,
.user_ctx = NULL
};
const auto result = httpd_register_uri_handler(httpdHandle, &uri);
ESP_LOG_LEVEL_LOCAL((result == ESP_OK ? ESP_LOG_INFO : ESP_LOG_ERROR), TAG, "httpd_register_uri_handler(): %s", esp_err_to_name(result));
//if (result != ESP_OK)
// return result;
}
{
const auto result = mdns_init();
ESP_LOG_LEVEL_LOCAL((result == ESP_OK ? ESP_LOG_INFO : ESP_LOG_ERROR), TAG, "mdns_init(): %s", esp_err_to_name(result));
//if (result != ESP_OK)
// return result;
}
{
const auto result = mdns_hostname_set(wifiConfig.hostname.c_str());
ESP_LOG_LEVEL_LOCAL((result == ESP_OK ? ESP_LOG_INFO : ESP_LOG_ERROR), TAG, "mdns_hostname_set(): %s", esp_err_to_name(result));
//if (result != ESP_OK)
// return result;
}
{
const auto result = mdns_instance_name_set(wifiConfig.hostname.c_str());
ESP_LOG_LEVEL_LOCAL((result == ESP_OK ? ESP_LOG_INFO : ESP_LOG_ERROR), TAG, "mdns_instance_name_set(): %s", esp_err_to_name(result));
//if (result != ESP_OK)
// return result;
}
{
const auto result = mdns_service_add(NULL, "_http", "_tcp", 80, NULL, 0);
ESP_LOG_LEVEL_LOCAL((result == ESP_OK ? ESP_LOG_INFO : ESP_LOG_ERROR), TAG, "mdns_service_add(): %s", esp_err_to_name(result));
//if (result != ESP_OK)
// return result;
}
{
esp_mqtt_client_config_t mqtt_cfg = {
.uri = "mqtt://192.168.0.2/",
};
mqttClient = espcpputils::mqtt_client{&mqtt_cfg};
if (!mqttClient)
{
ESP_LOGE(TAG, "error while initializing mqtt client!");
return;
}
else
{
{
const auto result = mqttClient.register_event(MQTT_EVENT_ANY, mqttEventHandler, NULL);
ESP_LOG_LEVEL_LOCAL((result == ESP_OK ? ESP_LOG_INFO : ESP_LOG_ERROR), TAG, "esp_mqtt_client_register_event(): %s", esp_err_to_name(result));
//if (result != ESP_OK)
// return result;
}
const auto result = mqttClient.start();
ESP_LOG_LEVEL_LOCAL((result == ESP_OK ? ESP_LOG_INFO : ESP_LOG_ERROR), TAG, "esp_mqtt_client_start(): %s", esp_err_to_name(result));
//if (result != ESP_OK)
// return result;
}
}
while (true)
{
wifi_stack::update(wifiConfig);
@@ -150,8 +234,149 @@ extern "C" void app_main()
}
#endif
// if (espchrono::ago(lastLightToggle) >= 10s)
// {
// lastLightToggle = espchrono::millis_clock::now();
// lightState = !lightState;
// if (mqttClient)
// {
// std::string_view topic = "dahoam/wohnzimmer/deckenlicht1/status";
// std::string_view value = lightState ? "ON" : "OFF";
// ESP_LOGI(TAG, "sending %.*s = %.*s", topic.size(), topic.data(), value.size(), value.data());
// mqttClient.publish(topic, value, 0, 1);
// }
// }
// if (espchrono::ago(lastSwitchToggle) >= 30s)
// {
// lastSwitchToggle = espchrono::millis_clock::now();
// switchState = !switchState;
// if (mqttClient)
// {
// std::string_view topic = "dahoam/wohnzimmer/lichtschalter1/status";
// std::string_view value = switchState ? "ON" : "OFF";
// ESP_LOGI(TAG, "sending %.*s = %.*s", topic.size(), topic.data(), value.size(), value.data());
// mqttClient.publish(topic, value, 0, 1);
// }
// }
vPortYield();
vTaskDelay(std::chrono::ceil<espcpputils::ticks>(100ms).count());
}
}
#define CALL_AND_EXIT_ON_ERROR(METHOD, ...) \
if (const auto result = METHOD(__VA_ARGS__); result != ESP_OK) \
{ \
ESP_LOGE(TAG, "%s() failed with %s", #METHOD, esp_err_to_name(result)); \
return result; \
}
#define CALL_AND_EXIT(METHOD, ...) \
if (const auto result = METHOD(__VA_ARGS__); result != ESP_OK) \
{ \
ESP_LOGE(TAG, "%s() failed with %s", #METHOD, esp_err_to_name(result)); \
return result; \
} \
else \
return result;
namespace {
esp_err_t webserver_handler(httpd_req_t *req)
{
std::string_view body{"this is work in progress..."};
CALL_AND_EXIT_ON_ERROR(httpd_resp_set_type, req, "text/html")
CALL_AND_EXIT_ON_ERROR(httpd_resp_send, req, body.data(), body.size())
return ESP_OK;
}
void mqttEventHandler(void *event_handler_arg, esp_event_base_t event_base, int32_t event_id, void *event_data)
{
CPP_UNUSED(event_handler_arg)
const esp_mqtt_event_t *data = reinterpret_cast<const esp_mqtt_event_t *>(event_data);
switch (esp_mqtt_event_id_t(event_id)) {
case MQTT_EVENT_ERROR:
ESP_LOGE(TAG, "%s event_id=%s", event_base, "MQTT_EVENT_ERROR");
// ESP_LOGI(TAG, "MQTT_EVENT_ERROR");
// if (event->error_handle->error_type == MQTT_ERROR_TYPE_TCP_TRANSPORT) {
// log_error_if_nonzero("reported from esp-tls", event->error_handle->esp_tls_last_esp_err);
// log_error_if_nonzero("reported from tls stack", event->error_handle->esp_tls_stack_err);
// log_error_if_nonzero("captured as transport's socket errno", event->error_handle->esp_transport_sock_errno);
// ESP_LOGI(TAG, "Last errno string (%s)", strerror(event->error_handle->esp_transport_sock_errno));
// }
break;
case MQTT_EVENT_CONNECTED:
ESP_LOGI(TAG, "%s event_id=%s", event_base, "MQTT_EVENT_CONNECTED");
mqttClient.publish("dahoam/wohnzimmer/deckenlicht1/available", "online", 0, 0);
mqttClient.publish("dahoam/wohnzimmer/deckenlicht1/status", lightState ? "ON" : "OFF", 0, 1);
mqttClient.publish("dahoam/wohnzimmer/lichtschalter1/available", "online", 0, 0);
mqttClient.publish("dahoam/wohnzimmer/lichtschalter1/status", switchState ? "ON" : "OFF", 0, 1);
mqttClient.subscribe("dahoam/wohnzimmer/deckenlicht1/set", 0);
break;
case MQTT_EVENT_DISCONNECTED:
ESP_LOGI(TAG, "%s event_id=%s", event_base, "MQTT_EVENT_DISCONNECTED");
break;
case MQTT_EVENT_SUBSCRIBED:
ESP_LOGI(TAG, "%s event_id=%s", event_base, "MQTT_EVENT_SUBSCRIBED");
break;
case MQTT_EVENT_UNSUBSCRIBED:
ESP_LOGI(TAG, "%s event_id=%s", event_base, "MQTT_EVENT_UNSUBSCRIBED");
break;
case MQTT_EVENT_PUBLISHED:
ESP_LOGI(TAG, "%s event_id=%s", event_base, "MQTT_EVENT_PUBLISHED");
break;
case MQTT_EVENT_DATA: {
std::string_view topic{data->topic, (size_t)data->topic_len};
std::string_view value{data->data, (size_t)data->data_len};
ESP_LOGI(TAG, "%s event_id=%s topic=%.*s data=%.*s", event_base, "MQTT_EVENT_DATA", topic.size(), topic.data(), value.size(), value.data());
if (topic == "dahoam/wohnzimmer/deckenlicht1/set")
{
lightState = value == "ON";
if (mqttClient)
{
topic = "dahoam/wohnzimmer/deckenlicht1/status";
value = lightState ? "ON" : "OFF";
ESP_LOGI(TAG, "sending %.*s = %.*s", topic.size(), topic.data(), value.size(), value.data());
mqttClient.publish(topic, value, 0, 1);
}
}
break;
}
case MQTT_EVENT_BEFORE_CONNECT:
ESP_LOGI(TAG, "%s event_id=%s", event_base, "MQTT_EVENT_BEFORE_CONNECT");
break;
case MQTT_EVENT_DELETED:
ESP_LOGI(TAG, "%s event_id=%s", event_base, "MQTT_EVENT_DELETED");
break;
default:
ESP_LOGW(TAG, "%s unknown event_id %i", event_base, event_id);
break;
}
}
} // namespace