fw: app: http: Add working GET /settings.json

1 files changed, 29 insertions, 0 deletions

diff --git a/fw/app/src/settings.c b/fw/app/src/settings.c
index 799322e..89f2f88 100644
--- a/fw/app/src/settings.c
+++ b/fw/app/src/settings.c
@@ -5,10 +5,14 @@
  */
 
 
+#include <stdio.h>
+
 #include <zephyr/init.h>
 #include <zephyr/logging/log.h>
 #include <zephyr/settings/settings.h>
 
+#include "settings.h"
+
 
 LOG_MODULE_DECLARE(settings);
 
@@ -31,3 +35,28 @@ int init_settings(void) {
 	return 0;
 }
 SYS_INIT(init_settings, APPLICATION, 50);
+
+int settings_to_json(void *buffer, size_t len)
+{
+	static const char format[] = "{\"syslog\":{\"target\":{\"ip\":\"%s\"}}}\n";
+
+	char ip[100];
+	int ret = settings_runtime_get("syslog/target/ip", ip, sizeof(ip));
+	if (ret < 0) {
+		LOG_ERR("Failed to get runtime setting syslog/target/ip (%d)", ret);
+		return ret;
+	}
+
+	ret = snprintf(buffer, len, format, ip);
+
+	if (ret >= len) {
+		LOG_ERR("Buffer too small to serialize settings as JSON");
+		return -ENOMEM;
+	}
+
+	if (ret < 0) {
+		LOG_ERR("Failed to serialize settings as JSON");
+	}
+
+	return ret;
+}