WIP: fw: app: Fix SEGFAULT

TODO: Only JSON numbers seem to be encodable. Strings lead to SEGFAULT
TODO: For some reason the encoded string is not part of the HTTP
response.

3 files changed, 19 insertions, 13 deletions

diff --git a/fw/app/src/http.c b/fw/app/src/http.c
index 83a3568..eb3d695 100644
--- a/fw/app/src/http.c
+++ b/fw/app/src/http.c
@@ -107,6 +107,8 @@ static int settings_handler(
 		return ret;
 	}
 
+	LOG_INF("Encoded: '%s'", buffer);
+
 	response_ctx->body = (const uint8_t *)buffer;
 	response_ctx->body_len = ret;
 	response_ctx->final_chunk = true;
diff --git a/fw/app/src/settings.c b/fw/app/src/settings.c
index 72cea12..22e55fc 100644
--- a/fw/app/src/settings.c
+++ b/fw/app/src/settings.c
@@ -36,7 +36,7 @@ int init_settings(void) {
 SYS_INIT(init_settings, APPLICATION, 50);
 
 static const struct json_obj_descr settings_syslog_target_descr[] = {
-	JSON_OBJ_DESCR_PRIM(struct settings_syslog_target, ip, JSON_TOK_STRING),
+	JSON_OBJ_DESCR_PRIM(struct settings_syslog_target, ip, JSON_TOK_NUMBER),
 };
 
 static const struct json_obj_descr settings_syslog_descr[] = {
@@ -51,21 +51,24 @@ int settings_to_json(void *buffer, size_t len)
 {
 	struct settings settings = {0,};
 
-	int ret = settings_runtime_get("syslog/target/ip",
-	                               settings.syslog.target.ip,
-	                               sizeof(settings.syslog.target.ip));
-	if (ret < 0) {
-		LOG_ERR("Failed to get runtime setting syslog/target/ip (%d)", ret);
-		return ret;
-	}
+//	int ret = settings_runtime_get("syslog/target/ip",
+//	                               settings.syslog.target.ip,
+//	                               sizeof(settings.syslog.target.ip));
+//	if (ret < 0) {
+//		LOG_ERR("Failed to get runtime setting syslog/target/ip (%d)", ret);
+//		return ret;
+//	}
 
-	ret = json_obj_encode_buf(
-		settings_syslog_target_descr,
-		ARRAY_SIZE(settings_syslog_target_descr),
-		&(settings.syslog.target),
+	settings.syslog.target.ip = 42;
+
+	int ret = json_obj_encode_buf(
+		settings_descr,
+		ARRAY_SIZE(settings_descr),
+		&settings,
 		buffer,
 		len
 	);
+
 	if (ret < 0) {
 		LOG_ERR("Failed to serialize settings as JSON");
 		return ret;
diff --git a/fw/app/src/settings.h b/fw/app/src/settings.h
index 9d46132..dff3c44 100644
--- a/fw/app/src/settings.h
+++ b/fw/app/src/settings.h
@@ -15,7 +15,8 @@
 
 
 struct settings_syslog_target {
-	char ip[IPV6_STRLEN_MAX];
+//	char ip[IPV6_STRLEN_MAX];
+	int ip;
 };
 
 struct settings_syslog {