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Read TR181 version from json

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Vivek Kumar Dutta 2026-03-05 16:28:11 +05:30
parent 94e4443801
commit 8f66eefaf2
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GPG key ID: 4E09F5AD8265FD4C
1 changed files with 36 additions and 1 deletions
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37
libbbfdm/device.c
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@ -15,6 +15,9 @@
#include "security.h"
#include "schedules.h"
#define DM_VERSION_FILE "/etc/bbfdm/datamodel.json"
char g_root_dm_version[32] = {0};
/*************************************************************
* COMMON FUNCTIONS
**************************************************************/
@ -75,7 +78,39 @@ static void _exec_factoryreset(const void *arg1, void *arg2)
**************************************************************/
static int get_Device_RootDataModelVersion(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
*value = dmstrdup("2.19");
if (DM_STRLEN(g_root_dm_version) == 0) {
const char *version;
json_object *json_root, *jobj_version = NULL;
if (file_exists(DM_VERSION_FILE) == false) {
BBFDM_ERR("JSON file: %s, not present", DM_VERSION_FILE);
goto exit;
}
json_root = json_object_from_file(DM_VERSION_FILE);
if (!json_root) {
BBFDM_ERR("Failed to read JSON file: %s", DM_VERSION_FILE);
goto exit;
}
json_object_object_get_ex(json_root, "version", &jobj_version);
version = (jobj_version) ? json_object_get_string(jobj_version) : "";
if (DM_STRLEN(version)) {
DM_STRNCPY(g_root_dm_version, version, sizeof(g_root_dm_version));
json_object_put(json_root);
} else {
json_object_put(json_root);
goto exit;
}
} else {
*value = g_root_dm_version;
}
return 0;
exit:
DM_STRNCPY(g_root_dm_version,"2.19", sizeof(g_root_dm_version));
*value = g_root_dm_version;
return 0;
}