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/*
* Copyright (C) 2024 TDT AG <[email protected]>
*
* This is free software, licensed under the GNU General Public License v2.
* See https://www.gnu.org/licenses/gpl-2.0.txt for more information.
*
*/
#include <libubus.h>
#include "interface.h"
#include "logging.h"
static struct ubus_event_handler ev;
static struct ubus_context *ctx;
static struct blob_buf b;
enum ubus_event_attr {
UBUS_EVENT_INTERFACE,
UBUS_EVENT_ACTION,
__UBUS_EVENT_MAX,
};
static const struct blobmsg_policy ubus_event_policy[__UBUS_EVENT_MAX] = {
[UBUS_EVENT_INTERFACE] = {.name = "interface", .type = BLOBMSG_TYPE_STRING},
[UBUS_EVENT_ACTION] = {.name = "action", .type = BLOBMSG_TYPE_STRING},
};
static void ubus_receive_interface_event(struct ubus_context* ctx,
struct ubus_event_handler* ev,
const char* type,
struct blob_attr* msg)
{
struct blob_attr* tb[ARRAY_SIZE(ubus_event_policy)];
const char* interface = NULL;
const char* action = NULL;
blobmsg_parse(ubus_event_policy, ARRAY_SIZE(ubus_event_policy), tb,
blob_data(msg), blob_len(msg));
if (!tb[UBUS_EVENT_INTERFACE] || !tb[UBUS_EVENT_ACTION])
return;
interface = blobmsg_get_string(tb[UBUS_EVENT_INTERFACE]);
action = blobmsg_get_string(tb[UBUS_EVENT_ACTION]);
interface_notify(interface, action);
}
static void ubus_listen_network_events(void)
{
memset(&ev, 0, sizeof(ev));
ev.cb = ubus_receive_interface_event;
ubus_register_event_handler(ctx, &ev, "network.interface");
}
enum iface_reset_attr {
IFACE_RESET_NAME,
__IFACE_RESET_MAX
};
static const struct blobmsg_policy iface_reset_policy[] = {
[IFACE_RESET_NAME] = {.name = "interface", .type = BLOBMSG_TYPE_STRING},
};
static int
ubus_iface_reset(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_request_data *req, const char *method,
struct blob_attr *msg)
{
struct blob_attr *tb[__IFACE_RESET_MAX];
const char *name;
blobmsg_parse(iface_reset_policy, ARRAY_SIZE(iface_reset_policy), tb,
blobmsg_data(msg), blobmsg_len(msg));
if (!tb[IFACE_RESET_NAME])
return UBUS_STATUS_INVALID_ARGUMENT;
name = blobmsg_get_string(tb[IFACE_RESET_NAME]);
LOGGING_INFO("%s: got interface name '%s'", __func__, name);
blob_buf_init(&b, 0);
ubus_send_reply(ctx, req, b.head);
return UBUS_STATUS_OK;
}
enum iface_status_attr {
IFACE_STATUS_NAME,
__IFACE_STATUS_MAX
};
static const struct blobmsg_policy iface_status_policy[] = {
[IFACE_STATUS_NAME] = {.name = "interface", .type = BLOBMSG_TYPE_STRING},
};
static int
ubus_iface_status(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_request_data *req, const char *method,
struct blob_attr *msg)
{
struct blob_attr *tb[__IFACE_RESET_MAX];
const char *name;
blobmsg_parse(iface_reset_policy, ARRAY_SIZE(iface_reset_policy), tb,
blobmsg_data(msg), blobmsg_len(msg));
if (!tb[IFACE_RESET_NAME])
return UBUS_STATUS_INVALID_ARGUMENT;
name = blobmsg_get_string(tb[IFACE_RESET_NAME]);
blob_buf_init(&b, 0);
interface_get_status(name, &b);
ubus_send_reply(ctx, req, b.head);
return UBUS_STATUS_OK;
}
static const struct ubus_method mwan4_methods[] = {
UBUS_METHOD("reset", ubus_iface_reset, iface_reset_policy),
UBUS_METHOD("status", ubus_iface_status, iface_status_policy),
};
static struct ubus_object_type mwan4_object_type =
UBUS_OBJECT_TYPE("mwan4", mwan4_methods);
static struct ubus_object mwan4_object = {
.name = "mwan4",
.type = &mwan4_object_type,
.methods = mwan4_methods,
.n_methods = ARRAY_SIZE(mwan4_methods),
};
int ubus_init(void)
{
int ret;
ctx = ubus_connect(NULL);
if (!ctx) {
LOGGING_ERR("%s: failed to connect to ubus", __func__);
return -1;
}
ret = ubus_add_object(ctx, &mwan4_object);
if (ret) {
LOGGING_ERR("%s: failed to add mwan4 object: %s", __func__, ubus_strerror(ret));
ubus_add_uloop(ctx);
return -2;
}
ubus_listen_network_events();
/* if (!ret) {
LOGGING_ERR("%s: could not listen to interface events", __func__);
ubus_remove_object(ctx, &mwan4_object);
ubus_add_uloop(ctx);
return -3;
}*/
ubus_add_uloop(ctx);
LOGGING_INFO("%s: ubus for mwan4 initilized", __func__);
return 0;
}
void ubus_done(void)
{
if (ctx == NULL) {
return;
}
ubus_remove_object(ctx, &mwan4_object);
ubus_free(ctx);
}
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