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gluon-mesh-batman-adv: make respondd provider batman-adv-legacy aware

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With this patch, the gluon-mesh-batman-adv respondd provider determins
the compat version through the selected algorithm in
/etc/config/batman-adv (BATMAN_IV_LEGACY vs. BATMAN_IV/BATMAN_V) instead
of the file previously placed in /lib/gluon/mesh-batman-adv/compat.

Also, the kernel module's new namespace (batman_adv -> batman_adv_legacy)
is used to determine the module release version.

Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
This commit is contained in:
Linus Lüssing 2018-11-27 04:21:15 +01:00
parent 7fcf08970d
commit c10c54e807
1 changed files with 26 additions and 12 deletions
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38
package/gluon-mesh-batman-adv/src/respondd.c
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@ -209,24 +209,32 @@ static struct json_object * get_mesh(void) {
return ret;
}
static struct json_object * get_batman_adv_compat(void) {
FILE *f = fopen("/lib/gluon/mesh-batman-adv/compat", "r");
if (!f)
return NULL;
static int get_batman_adv_compat(void) {
char path[] = "batman-adv.bat0.routing_algo";
struct uci_ptr ptr;
struct uci_context *ctx = uci_alloc_context();
int compat = 15;
struct json_object *ret = NULL;
if (!ctx)
return compat;
int compat;
if (fscanf(f, "%i", &compat) == 1)
ret = json_object_new_int(compat);
if (uci_lookup_ptr(ctx, &ptr, path, true) != UCI_OK)
goto end;
fclose(f);
if (!ptr.o || ptr.o->type != UCI_TYPE_STRING || !ptr.o->v.string)
goto end;
return ret;
if (strncmp("BATMAN_IV_LEGACY", ptr.o->v.string, strlen("BATMAN_IV_LEGACY")) == 0)
compat = 14;
end:
uci_free_context(ctx);
return compat;
}
static struct json_object * respondd_provider_nodeinfo(void) {
struct json_object *ret = json_object_new_object();
int compat = get_batman_adv_compat();
const char *version_path;
struct json_object *network = json_object_new_object();
json_object_object_add(network, "addresses", get_addresses());
@ -235,8 +243,14 @@ static struct json_object * respondd_provider_nodeinfo(void) {
struct json_object *software = json_object_new_object();
struct json_object *software_batman_adv = json_object_new_object();
json_object_object_add(software_batman_adv, "version", gluonutil_wrap_and_free_string(gluonutil_read_line("/sys/module/batman_adv/version")));
json_object_object_add(software_batman_adv, "compat", get_batman_adv_compat());
json_object_object_add(software_batman_adv, "compat", json_object_new_int(compat));
if (compat == 14)
version_path = "/sys/module/batman_adv_legacy/version";
else
version_path = "/sys/module/batman_adv/version";
json_object_object_add(software_batman_adv, "version", gluonutil_wrap_and_free_string(gluonutil_read_line(version_path)));
json_object_object_add(software, "batman-adv", software_batman_adv);
json_object_object_add(ret, "software", software);