src/ota_handler.cpp - master - ellersseer/MyCheat

src/ota_handler.cpp
131 строка4 KB
Dmitry Zhiltsov
feat(logs): Добавить логи в WEB
20 фев 2026, 20:39
20 фев 2026, 20:39dae6bcf
#include "ota_handler.h"
#include "config.h"
#include "log_buffer.h"
#include <Arduino.h>
#include <Update.h>
#include "esp_ota_ops.h"
#include "nvs.h"

// NVS-based OTA state (survives across different firmware builds,
// unlike RTC_DATA_ATTR which is address-dependent per binary)
static void otaNvsWrite(uint8_t pending, uint8_t attempts)
{
    nvs_handle_t handle;
    if (nvs_open("ota", NVS_READWRITE, &handle) != ESP_OK)
        return;
    nvs_set_u8(handle, "pending", pending);
    nvs_set_u8(handle, "attempts", attempts);
    nvs_commit(handle);
    nvs_close(handle);
}

static bool otaNvsRead(uint8_t *pending, uint8_t *attempts)
{
    nvs_handle_t handle;
    if (nvs_open("ota", NVS_READONLY, &handle) != ESP_OK)
        return false;
    *pending = 0;
    *attempts = 0;
    nvs_get_u8(handle, "pending", pending);
    nvs_get_u8(handle, "attempts", attempts);
    nvs_close(handle);
    return true;
}

void checkOtaRollback()
{
    uint8_t pending = 0, attempts = 0;
    if (!otaNvsRead(&pending, &attempts))
        return;

    if (!pending)
        return;

    attempts++;
    otaNvsWrite(1, attempts);

    if (attempts > 3)
    {
        // 3 failed attempts — rollback to the other OTA partition
        const esp_partition_t *prev = esp_ota_get_next_update_partition(NULL);
        if (prev)
        {
            esp_ota_set_boot_partition(prev);
        }
        otaNvsWrite(0, 0);
        ESP.restart(); // Raw restart OK — no 1-Wire initialized yet
    }
}

void confirmOtaIfNeeded()
{
    uint8_t pending = 0, attempts = 0;
    if (!otaNvsRead(&pending, &attempts))
        return;

    if (!pending)
        return;

    esp_ota_mark_app_valid_cancel_rollback();
    otaNvsWrite(0, 0);
    logCapture.println("[OTA] New firmware validated successfully!");
}

void setupOtaRoutes(AsyncWebServer *server)
{
    server->on(
        "/api/ota/upload", HTTP_POST,
        // onRequest — called after upload is complete
        [](AsyncWebServerRequest *request)
        {
            if (Update.hasError())
            {
                String msg = Update.errorString();
                String json = "{\"success\":false,\"error\":\"" + msg + "\"}";
                request->send(400, "application/json", json);
            }
            else
            {
                request->send(200, "application/json", "{\"success\":true}");
                // Mark OTA pending in NVS so rollback logic activates on next boot
                otaNvsWrite(1, 0);
                delay(500);
                safeRestart();
            }
        },
        // onUpload — called per chunk
        [](AsyncWebServerRequest *request, const String &filename,
           size_t index, uint8_t *data, size_t len, bool final)
        {
            if (index == 0)
            {
                logCapture.printf("[OTA] Upload start: %s\n", filename.c_str());
                // Use content length if available, otherwise UPDATE_SIZE_UNKNOWN
                size_t contentLength = request->contentLength();
                if (!Update.begin(contentLength != 0 ? contentLength : UPDATE_SIZE_UNKNOWN))
                {
                    logCapture.printf("[OTA] Begin failed: %s\n", Update.errorString());
                }
            }

            if (Update.isRunning())
            {
                if (Update.write(data, len) != len)
                {
                    logCapture.printf("[OTA] Write failed: %s\n", Update.errorString());
                }
            }

            if (final)
            {
                if (Update.end(true))
                {
                    logCapture.printf("[OTA] Upload complete: %u bytes\n", index + len);
                }
                else
                {
                    logCapture.printf("[OTA] End failed: %s\n", Update.errorString());
                }
            }
        });
}