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respondd: add provider "respondd-providers" to list registrations #256

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respondd: add provider "respondd-providers" to list registrations #256

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54 changes: 53 additions & 1 deletion net/respondd/src/respondd.c
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Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,11 @@ struct provider_list {
respondd_provider provider;
};

struct key_list {
struct key_list *next;
char *key;
};

struct request_type {
struct provider_list *providers;

Expand All @@ -101,6 +106,7 @@ struct request_schedule {

static int64_t now;
static struct hsearch_data htab;
static struct key_list *keys;


static struct json_object * merge_json(struct json_object *a, struct json_object *b);
Expand Down Expand Up @@ -272,6 +278,23 @@ static void load_cache_time(struct request_type *r, const char *name) {

}

static void add_key(const char *key) {
struct key_list **pos, *pentry;
int i = 0;

for (pos = &keys; *pos; pos = &(*pos)->next) {
if (strcmp(key, (*pos)->key) == 0)
return;
if (strcmp(key, (*pos)->key) < 0)
break;
}

pentry = malloc(sizeof(*pentry));
pentry->key = strdup(key);
pentry->next = *pos;
*pos = pentry;
}

static void add_provider(const char *name, const struct respondd_provider_info *provider) {
ENTRY key = {
.key = (char *)provider->request,
Expand Down Expand Up @@ -306,6 +329,31 @@ static void add_provider(const char *name, const struct respondd_provider_info *
*pos = pentry;
}

static struct json_object *respondd_provider_providers(void) {
struct key_list **pos;
struct json_object *provider;
struct json_object *ret = json_object_new_array();

if (!ret)
return NULL;

for (pos = &keys; *pos; pos = &(*pos)->next) {
provider = json_object_new_string((*pos)->key);
json_object_array_add(ret, provider);
}

return ret;
}

static void add_providers_provider(void) {
const struct respondd_provider_info providers[] = {
{"respondd-providers", respondd_provider_providers},
{}
};

add_provider("respondd", providers);
}

static void load_providers(const char *path) {
update_time();

Expand Down Expand Up @@ -339,10 +387,14 @@ static void load_providers(const char *path) {
if (!providers)
continue;

for (; providers->request; providers++)
for (; providers->request; providers++) {
add_provider(ent->d_name, providers);
add_key(providers->request);
}
}

add_providers_provider();

closedir(dir);

out:
Expand Down