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Adjust dash to use core file manager

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cpq committed 2026-09-24 17:04:32 +01:00
1 parent 1be11a66e3
commit f62f3545b4
9 files changed
+173 -646
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tutorials/device-dashboard/full/dashboard.c
+9 -37
View File
@@ -27,7 +27,7 @@ static struct mg_field fields_actions[] = {
{NULL, MG_VAL_INT, NULL, 0},
};
static struct mg_field_set set_actions = {"actions", fields_actions, actions_fn,
NULL, NULL, NULL};
NULL, NULL};
// Control panel
// s_led1, s_led2, s_led3 are used to communicate LED status
@@ -43,7 +43,7 @@ static struct mg_field fields_leds[] = {
{NULL, MG_VAL_INT, NULL, 0},
};
static struct mg_field_set set_leds = {"leds", fields_leds, leds_fn,
NULL, NULL, NULL};
NULL, NULL};
// Read-only device Metrics
static int s_ram = 32, s_cpu = 7;
@@ -66,7 +66,7 @@ static struct mg_field fields_metrics[] = {
};
static struct mg_field_set set_metrics = {"metrics", fields_metrics, metrics_fn,
NULL, NULL, NULL};
NULL, NULL};
// Read-write device settings
static bool s_enable_login = false;
@@ -105,7 +105,7 @@ static struct mg_field fields_settings[] = {
};
static struct mg_field_set set_settings = {
"settings", fields_settings, settings_fn, NULL, NULL, NULL};
"settings", fields_settings, settings_fn, NULL, NULL};
#define NUM_POINTS_GRAPH1 7 // How many graph1 data points to send
@@ -150,7 +150,7 @@ static bool graph1_fn(enum mg_dash_op op, struct mg_dash_user *u) {
return true;
}
static struct mg_field_set set_graph1 = {"graph1", fields_graph1, graph1_fn,
NULL, NULL, NULL};
NULL, NULL};
#define NUM_POINTS_GRAPH2 100 // How many graph2 data points to send
static char s_graph2_data[NUM_POINTS_GRAPH2 * 4 + 2 + 1];
@@ -187,7 +187,7 @@ static bool graph2_fn(enum mg_dash_op op, struct mg_dash_user *u) {
return op == MG_DASH_READ || op == MG_DASH_WRITE;
}
static struct mg_field_set set_graph2 = {"graph2", fields_graph2, graph2_fn,
NULL, NULL, NULL};
NULL, NULL};
static int authenticate(char *user, size_t userlen, const char *pass) {
int level = 0; // Authentication failure
@@ -201,42 +201,14 @@ static int authenticate(char *user, size_t userlen, const char *pass) {
return level;
}
static struct file {
int index;
char name[64];
size_t size;
uint64_t checksum;
} s_file;
static struct mg_field_set set_files;
static bool get_dir(const struct mg_dash_user *u, char *buf, size_t len) {
(void) u;
static bool files_dir(const struct mg_dash_user *u, char *buf, size_t len) {
(void) u; // Same dir for every user. Key off u->name for per-user dirs
mg_snprintf(buf, len, "%s", "/tmp/dashboard");
return true;
}
static struct mg_field fields_files[] = {
{"name", MG_VAL_STR, s_file.name, sizeof(s_file.name)},
{"size", MG_VAL_UINT64, &s_file.size, 0},
{"checksum", MG_VAL_UINT64, &s_file.checksum, sizeof(s_file.checksum)},
{NULL, MG_VAL_INT, NULL, 0},
};
// Custom reader: let the framework fill "name" and "size", then add our
// own field. A real implementation would hash the file instead of
// hardcoding zero
static bool files_fn(enum mg_dash_op op, struct mg_dash_user *u) {
if (op != MG_DASH_READ) return false;
if (!mg_dash_dir_read(&set_files, u)) return false;
s_file.checksum = 0;
return true;
}
static struct mg_field_set set_files = {"files", fields_files, files_fn,
&s_file.index, get_dir, NULL};
void mg_dash_init(struct mg_mgr *mgr) {
MG_DASH_ADD_FIELD_SET(&s_dash, &set_files);
s_dash.files_dir = files_dir; // Built-in file manager, see mg_dash.h
MG_DASH_ADD_FIELD_SET(&s_dash, &set_leds);
MG_DASH_ADD_FIELD_SET(&s_dash, &set_metrics);
MG_DASH_ADD_FIELD_SET(&s_dash, &set_settings);