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https://github.com/berlin-open-wireless-lab/DAWN.git
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reafctor hostapd
This commit is contained in:
Polynomialdivision
parent
b77fe07ce2
commit
07404c8a3f
1 changed files with 94 additions and 132 deletions
224
src/utils/ubus.c
224
src/utils/ubus.c
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@ -218,15 +218,10 @@ static const struct blobmsg_policy dawn_umdns_policy[__DAWN_UMDNS_MAX] = {
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};
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/* Function Definitions */
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static void hostapd_handle_remove(struct ubus_context *ctx,
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struct ubus_subscriber *s, uint32_t id);
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static int hostapd_notify(struct ubus_context *ctx, struct ubus_object *obj,
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struct ubus_request_data *req, const char *method,
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struct blob_attr *msg);
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static int add_subscriber(char *name);
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static int ubus_get_clients();
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static int
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@ -250,89 +245,25 @@ static int handle_set_probe(struct blob_attr *msg);
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static int parse_add_mac_to_file(struct blob_attr *msg);
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int hostapd_array_check_id(uint32_t id);
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void hostapd_array_insert(struct hostapd_sock_entry* entry);
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struct hostapd_sock_entry* hostapd_array_get_entry(uint32_t id);
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struct hostapd_sock_entry* hostapd_array_get_entry_by_object_id(uint32_t id);
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void hostapd_array_delete(uint32_t id);
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static void ubus_add_oject();
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static void respond_to_notify(uint32_t id);
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int handle_uci_config(struct blob_attr *msg);
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void subscribe_to_new_interfaces(const char *hostapd_sock_path);
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bool subscriber_to_interface(const char *ifname);
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bool subscribe(struct hostapd_sock_entry *hostapd_entry);
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void add_client_update_timer(time_t time) {
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uloop_timeout_set(&client_timer, time);
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}
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struct hostapd_sock_entry* hostapd_array_get_entry_by_object_id(uint32_t id) {
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for (int i = 0; i <= hostapd_sock_last; i++) {
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if (hostapd_sock_arr[i]->subscriber.obj.id == id) {
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return hostapd_sock_arr[i];
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}
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}
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return NULL;
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}
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struct hostapd_sock_entry* hostapd_array_get_entry(uint32_t id) {
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for (int i = 0; i <= hostapd_sock_last; i++) {
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if (hostapd_sock_arr[i]->id == id) {
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return hostapd_sock_arr[i];
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}
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}
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return NULL;
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}
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int hostapd_array_check_id(uint32_t id) {
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for (int i = 0; i <= hostapd_sock_last; i++) {
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if (hostapd_sock_arr[i]->id == id) {
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return 1;
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}
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}
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return 0;
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}
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void hostapd_array_insert(struct hostapd_sock_entry* entry) {
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if (hostapd_sock_last < MAX_HOSTAPD_SOCKETS) {
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hostapd_sock_last++;
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hostapd_sock_arr[hostapd_sock_last] = entry;
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}
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for (int i = 0; i <= hostapd_sock_last; i++) {
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printf("%d: %d\n", i, hostapd_sock_arr[i]->id);
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}
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}
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void hostapd_array_delete(uint32_t id) {
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int i = 0;
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int found_in_array = 0;
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if (hostapd_sock_last == -1) {
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return;
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}
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for (i = 0; i <= hostapd_sock_last; i++) {
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if (hostapd_sock_arr[i]->id == id) {
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found_in_array = 1;
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// in thisfunction we are freeing the struct
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free(hostapd_sock_arr[i]);
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break;
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}
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}
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for (int j = i; j <= hostapd_sock_last; j++) {
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hostapd_sock_arr[j] = hostapd_sock_arr[j + 1];
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}
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if (hostapd_sock_last > -1 && found_in_array) {
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hostapd_sock_last--;
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}
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static inline int
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subscription_wait(struct ubus_event_handler *handler) {
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return ubus_register_event_handler(ctx, handler, "ubus.object.add");
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}
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void blobmsg_add_macaddr(struct blob_buf *buf, const char *name, const uint8_t *addr) {
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@ -343,7 +274,6 @@ void blobmsg_add_macaddr(struct blob_buf *buf, const char *name, const uint8_t *
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blobmsg_add_string_buffer(buf);
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}
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static int decide_function(probe_entry *prob_req, int req_type) {
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if (mac_in_maclist(prob_req->client_addr)) {
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return 1;
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@ -372,18 +302,6 @@ static int decide_function(probe_entry *prob_req, int req_type) {
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return 1;
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}
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static void hostapd_handle_remove(struct ubus_context *ctx,
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struct ubus_subscriber *s, uint32_t id) {
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int ret;
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fprintf(stderr, "Object %08x went away\n", id);
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ret= ubus_unsubscribe(ctx, s, id);
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if (ret)
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fprintf(stderr, "Removing object %08x: %s\n", id, ubus_strerror(ret));
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hostapd_array_delete(id);
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}
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int parse_to_hostapd_notify(struct blob_attr *msg, hostapd_notify_entry *notify_req) {
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struct blob_attr *tb[__HOSTAPD_NOTIFY_MAX];
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@ -915,6 +833,7 @@ int parse_to_clients(struct blob_attr *msg, int do_kick, uint32_t id) {
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}
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static void ubus_get_clients_cb(struct ubus_request *req, int type, struct blob_attr *msg) {
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struct hostapd_sock_entry *sub, *entry = NULL;
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if (!msg)
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return;
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@ -925,10 +844,20 @@ static void ubus_get_clients_cb(struct ubus_request *req, int type, struct blob_
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blobmsg_add_u32(&b_domain, "collision_domain", network_config.collision_domain);
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blobmsg_add_u32(&b_domain, "bandwidth", network_config.bandwidth);
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struct hostapd_sock_entry *entry = hostapd_array_get_entry(req->peer);
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if(entry->id != req->peer)
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list_for_each_entry(sub, &hostapd_sock_list, list)
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{
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fprintf(stderr, "Failed to find hostapd sock entry in callback with id %d\n", req->peer);
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if (sub->id == req->peer) {
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entry = sub;
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}
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}
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if (entry == NULL) {
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fprintf(stderr, "Failed to find interface!\n");
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return;
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}
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if (!entry->subscribed) {
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fprintf(stderr, "Interface %s is not subscribed!\n", entry->iface_name);
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return;
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}
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@ -947,6 +876,8 @@ static void ubus_get_clients_cb(struct ubus_request *req, int type, struct blob_
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print_ap_array();
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free(data_str);
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}
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static int ubus_get_clients() {
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@ -969,16 +900,21 @@ void update_clients(struct uloop_timeout *t) {
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}
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void update_channel_utilization(struct uloop_timeout *t) {
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for (int i = 0; i <= hostapd_sock_last; i++) {
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struct hostapd_sock_entry *sub;
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hostapd_sock_arr[i]->chan_util_samples_sum += get_channel_utilization(hostapd_sock_arr[i]->iface_name, &hostapd_sock_arr[i]->last_channel_time, &hostapd_sock_arr[i]->last_channel_time_busy);
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hostapd_sock_arr[i]->chan_util_num_sample_periods++;
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if(hostapd_sock_arr[i]->chan_util_num_sample_periods > dawn_metric.chan_util_avg_period)
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list_for_each_entry(sub, &hostapd_sock_list, list)
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{
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hostapd_sock_arr[i]->chan_util_average = hostapd_sock_arr[i]->chan_util_samples_sum / hostapd_sock_arr[i]->chan_util_num_sample_periods;
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hostapd_sock_arr[i]->chan_util_samples_sum = 0;
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hostapd_sock_arr[i]->chan_util_num_sample_periods = 0;
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if (sub->subscribed) {
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sub->chan_util_samples_sum += get_channel_utilization(sub->iface_name, &sub->last_channel_time,
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&sub->last_channel_time_busy);
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sub->chan_util_num_sample_periods++;
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if (sub->chan_util_num_sample_periods > dawn_metric.chan_util_avg_period) {
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sub->chan_util_average = sub->chan_util_samples_sum / sub->chan_util_num_sample_periods;
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sub->chan_util_samples_sum = 0;
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sub->chan_util_num_sample_periods = 0;
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}
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}
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}
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uloop_timeout_set(&channel_utilization_timer, timeout_config.update_chan_util * 1000);
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@ -1248,10 +1184,6 @@ static void respond_to_notify(uint32_t id) {
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fprintf(stderr, "Failed to invoke: %s\n", ubus_strerror(ret));
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}
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static void hostapd_handle_remove(struct ubus_context *ctx,
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struct ubus_subscriber *s, uint32_t id) {
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fprintf(stdout, "Object %08x went away\n", id);
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@ -1262,37 +1194,12 @@ static void hostapd_handle_remove(struct ubus_context *ctx,
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printf("ID NOT THE SAME!\n");
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return;
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}
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//ret= ubus_unsubscribe(ctx, s, id);
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//if (ret)
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// fprintf(stderr, "Removing object %08x: %s\n", id, ubus_strerror(ret));
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hostapd_sock->subscribed = false;
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subscription_wait(&hostapd_sock->wait_handler);
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}
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bool subscriber_to_interface(const char *ifname) {
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struct hostapd_sock_entry *hostapd_entry;
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hostapd_entry = calloc(1, sizeof(struct hostapd_sock_entry));
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strcpy(hostapd_entry->iface_name, ifname);
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hostapd_entry->subscriber.cb = hostapd_notify;
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hostapd_entry->subscriber.remove_cb = hostapd_handle_remove;
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hostapd_entry->wait_handler.cb = wait_cb;
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hostapd_entry->subscribed = false;
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if (ubus_register_subscriber(ctx, &hostapd_entry->subscriber)) {
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fprintf(stderr, "Failed to register subscriber!");
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return false;
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}
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list_add(&hostapd_entry->list, &hostapd_sock_list);
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return subscribe(hostapd_entry);
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}
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bool subscribe(struct hostapd_sock_entry *hostapd_entry) {
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char subscribe_name[sizeof("hostapd.") + MAX_INTERFACE_NAME + 1];
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@ -1321,11 +1228,66 @@ bool subscribe(struct hostapd_sock_entry *hostapd_entry) {
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hostapd_entry->ht_support = (uint8_t) support_ht(hostapd_entry->iface_name);
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hostapd_entry->vht_support = (uint8_t) support_vht(hostapd_entry->iface_name);
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respond_to_notify(hostapd_entry->id);
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printf("Subscribed to: %s\n", hostapd_entry->iface_name);
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return true;
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}
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static void
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wait_cb(struct ubus_context *ctx, struct ubus_event_handler *ev_handler,
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const char *type, struct blob_attr *msg) {
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static const struct blobmsg_policy wait_policy = {
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"path", BLOBMSG_TYPE_STRING
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};
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struct blob_attr *attr;
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const char *path;
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struct hostapd_sock_entry *sub = container_of(ev_handler,
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struct hostapd_sock_entry, wait_handler);
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if (strcmp(type, "ubus.object.add"))
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return;
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blobmsg_parse(&wait_policy, 1, &attr, blob_data(msg), blob_len(msg));
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if (!attr)
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return;
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path = blobmsg_data(attr);
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path = strchr(path, '.');
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if (!path)
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return;
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if (strcmp(sub->iface_name, path + 1))
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return;
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subscribe(sub);
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}
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bool subscriber_to_interface(const char *ifname) {
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struct hostapd_sock_entry *hostapd_entry;
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hostapd_entry = calloc(1, sizeof(struct hostapd_sock_entry));
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strcpy(hostapd_entry->iface_name, ifname);
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hostapd_entry->subscriber.cb = hostapd_notify;
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hostapd_entry->subscriber.remove_cb = hostapd_handle_remove;
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hostapd_entry->wait_handler.cb = wait_cb;
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hostapd_entry->subscribed = false;
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if (ubus_register_subscriber(ctx, &hostapd_entry->subscriber)) {
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fprintf(stderr, "Failed to register subscriber!");
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return false;
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}
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list_add(&hostapd_entry->list, &hostapd_sock_list);
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return subscribe(hostapd_entry);
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}
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void subscribe_to_new_interfaces(const char *hostapd_sock_path) {
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DIR *dirp;
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struct dirent *entry;
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