ESP-Nodes/ESP-Mongoose_UI/mongoose/mongoose_glue.c

// SPDX-FileCopyrightText: 2024 Cesanta Software Limited
// SPDX-License-Identifier: GPL-2.0-only or commercial
// Generated by Mongoose Wizard, https://mongoose.ws/wizard/

// Default mock implementation of the API callbacks

#include "mongoose_glue.h"

void glue_lock_init(void) {  // callback to initialize the MQTT semaphore
}

void glue_lock(void) {  // Lock mutex. Implement only if you use MQTT publish
}

void glue_unlock(void) {  // Unlock mutex. Implement only if you use MQTT publish
}

// Update this with the real CA for the WIZARD_MQTT_URL
#define TLS_CA \
  ""

void glue_mqtt_tls_init(struct mg_connection *c) {
  bool is_tls = mg_url_is_ssl(WIZARD_MQTT_URL);
  MG_DEBUG(("%lu TLS enabled: %s", c->id, is_tls ? "yes" : "no"));
  if (is_tls) {
    struct mg_tls_opts opts;
    memset(&opts, 0, sizeof(opts));
    opts.ca = mg_str(TLS_CA);
    opts.name = mg_url_host(WIZARD_MQTT_URL);
    mg_tls_init(c, &opts);
  }
}

// Called when we connected to the MQTT server
void glue_mqtt_on_connect(struct mg_connection *c, int code) {
  struct mg_mqtt_opts opts;
  memset(&opts, 0, sizeof(opts));
  opts.qos = 1;
  opts.topic = mg_str("device1/rx");
  mg_mqtt_sub(c, &opts);
  MG_DEBUG(("%lu code %d. Subscribing to [%.*s]", c->id, code, opts.topic.len,
            opts.topic.buf));
}

// This function gets called for every received MQTT message
void glue_mqtt_on_message(struct mg_connection *c, struct mg_str topic,
                          struct mg_str data) {
  char tmp[100];
  struct mg_mqtt_opts opts;

  mg_snprintf(tmp, sizeof(tmp), "Got [%.*s] -> [%.*s] !", topic.len, topic.buf,
              data.len, data.buf);
  MG_DEBUG(("%lu %s", c->id, tmp));

  // Send response to the TX topic
  if (g_mqtt_conn != NULL) {
    memset(&opts, 0, sizeof(opts));
    opts.topic = mg_str("device1/tx");
    opts.message = mg_str(tmp);
    mg_mqtt_pub(g_mqtt_conn, &opts);
  }
}

void glue_mqtt_on_cmd(struct mg_connection *c, struct mg_mqtt_message *mm) {
  MG_DEBUG(("%lu cmd %d qos %d", c->id, mm->cmd, mm->qos));
}

struct mg_connection *glue_mqtt_connect(mg_event_handler_t fn) {
  const char *url = WIZARD_MQTT_URL;
  struct mg_mqtt_opts opts;
  memset(&opts, 0, sizeof(opts));
  opts.clean = true;
  return mg_mqtt_connect(&g_mgr, url, &opts, fn, NULL);
}


void glue_sntp_on_time(uint64_t utc_time_in_milliseconds) {
  MG_INFO(("UTC time in milliseconds from SNTP: %llu, current time: %llu",
           utc_time_in_milliseconds, mg_now()));
}


// Authenticate user/password. Return access level for the authenticated user:
//   0 - authentication error
//   1,2,3... - authentication success. Higher levels are more privileged than lower
int glue_authenticate(const char *user, const char *pass) {
  int level = 0; // Authentication failure
  if (strcmp(user, "admin") == 0 && strcmp(pass, "admin") == 0) {
    level = 7;  // Administrator
  } else if (strcmp(user, "user") == 0 && strcmp(pass, "user") == 0) {
    level = 3;  // Ordinary dude
  }
  return level;
}

static uint64_t s_action_timeout_reboot;  // Time when reboot ends
bool glue_check_reboot(void) {
  return s_action_timeout_reboot > mg_now(); // Return true if reboot is in progress
}
void glue_start_reboot(struct mg_str params) {
  MG_DEBUG(("Passed parameters: [%.*s]", params.len, params.buf));
  s_action_timeout_reboot = mg_now() + 1000; // Start reboot, finish after 1 second
}

static uint64_t s_action_timeout_reformat;  // Time when reformat ends
bool glue_check_reformat(void) {
  return s_action_timeout_reformat > mg_now(); // Return true if reformat is in progress
}
void glue_start_reformat(struct mg_str params) {
  MG_DEBUG(("Passed parameters: [%.*s]", params.len, params.buf));
  s_action_timeout_reformat = mg_now() + 1000; // Start reformat, finish after 1 second
}

void *glue_ota_begin_firmware_update(char *file_name, size_t total_size) {
  bool ok = mg_ota_begin(total_size);
  MG_DEBUG(("%s size %lu, ok: %d", file_name, total_size, ok));
  return ok ? (void *) 1 : NULL;
}
bool glue_ota_end_firmware_update(void *context) {
  mg_timer_add(&g_mgr, 500, 0, (void (*)(void *)) (void *) mg_ota_end, context);
  return true;
}
bool glue_ota_write_firmware_update(void *context, void *buf, size_t len) {
  MG_DEBUG(("ctx: %p %p/%lu", context, buf, len));
  return mg_ota_write(buf, len);
}

void *glue_file_open_file_upload(char *file_name, size_t total_size) {
  char path[128], *p = NULL;
  FILE *fp = NULL;
  if ((p = strrchr(file_name, '/')) == NULL) p = file_name;
  mg_snprintf(path, sizeof(path), "/tmp/%s", p);
#if MG_ENABLE_POSIX_FS
  fp = fopen(path, "w+b");
#endif
  MG_DEBUG(("opening [%s] size %lu, fp %p", path, total_size, fp));
  return fp;
}
bool glue_file_close_file_upload(void *fp) {
  MG_DEBUG(("closing %p", fp));
#if MG_ENABLE_POSIX_FS
  return fclose((FILE *) fp) == 0;
#else
  return false;
#endif
}
bool glue_file_write_file_upload(void *fp, void *buf, size_t len) {
  MG_DEBUG(("writing fp %p %p %lu bytes", fp, buf, len));
#if MG_ENABLE_POSIX_FS
  return fwrite(buf, 1, len, (FILE *) fp) == len;
#else
  return false;
#endif
}

void glue_reply_graph_data(struct mg_connection *c, struct mg_http_message *hm) {
  const char *headers = "Cache-Control: no-cache\r\n" "Content-Type: application/json\r\n";
  const char *value = "[[1724576787,20.3],[1724576847,27.2],[1724576907,29.7],[1724576967,27.9],[1724577027,25.1],[1724577087,23.8],[1724577147,22.5],[1724577207,22.2],[1724577267,23.3],[1724577327,23.9]]";
  (void) hm;
  mg_http_reply(c, 200, headers, "%s\n", value);
}
static struct state s_state = {42, 27, 67, 10, "1.0.0", true, false, 83};
void glue_get_state(struct state *data) {
  *data = s_state;  // Sync with your device
}

static struct leds s_leds = {false, true, false};
void glue_get_leds(struct leds *data) {
  *data = s_leds;  // Sync with your device
}
void glue_set_leds(struct leds *data) {
  s_leds = *data; // Sync with your device
}

static struct network_settings s_network_settings = {"192.168.0.42", "192.168.0.1", "255.255.255.0", true};
void glue_get_network_settings(struct network_settings *data) {
  *data = s_network_settings;  // Sync with your device
}
void glue_set_network_settings(struct network_settings *data) {
  s_network_settings = *data; // Sync with your device
}

static struct settings s_settings = {"edit & save me", "info", 123.12345, 17, true};
void glue_get_settings(struct settings *data) {
  *data = s_settings;  // Sync with your device
}
void glue_set_settings(struct settings *data) {
  s_settings = *data; // Sync with your device
}

static struct security s_security = {"admin", "user"};
void glue_get_security(struct security *data) {
  *data = s_security;  // Sync with your device
}
void glue_set_security(struct security *data) {
  s_security = *data; // Sync with your device
}

void glue_reply_loglevels(struct mg_connection *c, struct mg_http_message *hm) {
  const char *headers = "Cache-Control: no-cache\r\n" "Content-Type: application/json\r\n";
  const char *value = "[\"disabled\",\"error\",\"info\",\"debug\",\"verbose\"]";
  (void) hm;
  mg_http_reply(c, 200, headers, "%s\n", value);
}
void glue_reply_events(struct mg_connection *c, struct mg_http_message *hm) {
  const char *headers = "Cache-Control: no-cache\r\n" "Content-Type: application/json\r\n";
  const char *value = "[{\"priority\":1,\"timestamp\":1738653279,\"active\":false,\"message\":\"event 1\"},{\"priority\":2,\"timestamp\":1738653390,\"active\":true,\"message\":\"event 2\"}]";
  (void) hm;
  mg_http_reply(c, 200, headers, "%s\n", value);
}