mirror of
https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-12-22 04:32:37 +01:00
station: move signal level agent logic from device
This commit is contained in:
Denis Kenzior
parent
ac83a35b97
commit
cdfcb902e4
170
src/device.c
170
src/device.c
@ -50,7 +50,6 @@
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struct device {
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uint32_t index;
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uint8_t preauth_bssid[ETH_ALEN];
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struct signal_agent *signal_agent;
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struct wiphy *wiphy;
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struct netdev *netdev;
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@ -61,12 +60,6 @@ struct device {
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uint32_t ap_roam_watch;
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};
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struct signal_agent {
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char *owner;
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char *path;
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unsigned int disconnect_watch;
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};
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static uint32_t netdev_watch;
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static void device_netdev_event(struct netdev *netdev, enum netdev_event event,
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@ -350,37 +343,6 @@ static void device_connect_cb(struct netdev *netdev, enum netdev_result result,
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station_enter_state(station, STATION_STATE_CONNECTED);
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}
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static void device_signal_agent_notify(struct signal_agent *agent,
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const char *device_path, int level)
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{
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struct l_dbus_message *msg;
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uint8_t value = level;
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msg = l_dbus_message_new_method_call(dbus_get_bus(),
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agent->owner, agent->path,
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IWD_SIGNAL_AGENT_INTERFACE,
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"Changed");
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l_dbus_message_set_arguments(msg, "oy", device_path, value);
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l_dbus_message_set_no_reply(msg, true);
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l_dbus_send(dbus_get_bus(), msg);
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}
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static void device_signal_agent_release(struct signal_agent *agent,
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const char *device_path)
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{
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struct l_dbus_message *msg;
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msg = l_dbus_message_new_method_call(dbus_get_bus(),
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agent->owner, agent->path,
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IWD_SIGNAL_AGENT_INTERFACE,
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"Release");
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l_dbus_message_set_arguments(msg, "o", device_path);
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l_dbus_message_set_no_reply(msg, true);
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l_dbus_send(dbus_get_bus(), msg);
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}
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static void device_netdev_event(struct netdev *netdev, enum netdev_event event,
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void *user_data)
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{
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@ -408,11 +370,7 @@ static void device_netdev_event(struct netdev *netdev, enum netdev_event event,
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station_ok_rssi(station);
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break;
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case NETDEV_EVENT_RSSI_LEVEL_NOTIFY:
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if (device->signal_agent)
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device_signal_agent_notify(device->signal_agent,
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netdev_get_path(netdev),
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netdev_get_rssi_level(netdev));
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station_rssi_level_changed(station);
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break;
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};
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}
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@ -514,116 +472,6 @@ static struct l_dbus_message *device_get_networks(struct l_dbus *dbus,
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return station_dbus_get_networks(dbus, message, station);
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}
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static void signal_agent_free(void *data)
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{
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struct signal_agent *agent = data;
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l_free(agent->owner);
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l_free(agent->path);
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l_dbus_remove_watch(dbus_get_bus(), agent->disconnect_watch);
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l_free(agent);
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}
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static void signal_agent_disconnect(struct l_dbus *dbus, void *user_data)
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{
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struct device *device = user_data;
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l_debug("signal_agent %s disconnected", device->signal_agent->owner);
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l_idle_oneshot(signal_agent_free, device->signal_agent, NULL);
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device->signal_agent = NULL;
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netdev_set_rssi_report_levels(device->netdev, NULL, 0);
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}
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static struct l_dbus_message *device_signal_agent_register(struct l_dbus *dbus,
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struct l_dbus_message *message,
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void *user_data)
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{
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struct device *device = user_data;
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const char *path, *sender;
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struct l_dbus_message_iter level_iter;
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int8_t levels[16];
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int err;
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int16_t val;
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size_t count = 0;
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if (device->signal_agent)
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return dbus_error_already_exists(message);
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l_debug("signal agent register called");
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if (!l_dbus_message_get_arguments(message, "oan", &path, &level_iter))
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return dbus_error_invalid_args(message);
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while (l_dbus_message_iter_next_entry(&level_iter, &val)) {
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if (count >= L_ARRAY_SIZE(levels) || val > 127 || val < -127)
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return dbus_error_invalid_args(message);
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levels[count++] = val;
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}
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if (count < 1)
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return dbus_error_invalid_args(message);
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err = netdev_set_rssi_report_levels(device->netdev, levels, count);
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if (err == -ENOTSUP)
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return dbus_error_not_supported(message);
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else if (err < 0)
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return dbus_error_failed(message);
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sender = l_dbus_message_get_sender(message);
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device->signal_agent = l_new(struct signal_agent, 1);
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device->signal_agent->owner = l_strdup(sender);
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device->signal_agent->path = l_strdup(path);
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device->signal_agent->disconnect_watch =
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l_dbus_add_disconnect_watch(dbus, sender,
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signal_agent_disconnect,
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device, NULL);
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l_debug("agent %s path %s", sender, path);
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/*
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* TODO: send an initial notification in a oneshot idle callback,
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* if state is connected.
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*/
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return l_dbus_message_new_method_return(message);
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}
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static struct l_dbus_message *device_signal_agent_unregister(
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struct l_dbus *dbus,
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struct l_dbus_message *message,
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void *user_data)
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{
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struct device *device = user_data;
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const char *path, *sender;
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if (!device->signal_agent)
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return dbus_error_failed(message);
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l_debug("signal agent unregister");
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if (!l_dbus_message_get_arguments(message, "o", &path))
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return dbus_error_invalid_args(message);
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if (strcmp(device->signal_agent->path, path))
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return dbus_error_not_found(message);
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sender = l_dbus_message_get_sender(message);
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if (strcmp(device->signal_agent->owner, sender))
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return dbus_error_not_found(message);
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signal_agent_free(device->signal_agent);
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device->signal_agent = NULL;
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netdev_set_rssi_report_levels(device->netdev, NULL, 0);
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return l_dbus_message_new_method_return(message);
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}
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static struct l_dbus_message *device_connect_hidden_network(struct l_dbus *dbus,
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struct l_dbus_message *message,
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void *user_data)
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@ -977,12 +825,6 @@ static void setup_device_interface(struct l_dbus_interface *interface)
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l_dbus_interface_method(interface, "GetOrderedNetworks", 0,
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device_get_networks, "a(osns)", "",
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"networks");
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l_dbus_interface_method(interface, "RegisterSignalLevelAgent", 0,
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device_signal_agent_register,
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"", "oan", "path", "levels");
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l_dbus_interface_method(interface, "UnregisterSignalLevelAgent", 0,
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device_signal_agent_unregister,
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"", "o", "path");
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l_dbus_interface_method(interface, "ConnectHiddenNetwork", 0,
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device_connect_hidden_network, "", "s", "name");
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l_dbus_interface_property(interface, "Name", 0, "s",
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@ -1096,18 +938,10 @@ struct device *device_create(struct wiphy *wiphy, struct netdev *netdev)
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void device_remove(struct device *device)
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{
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struct l_dbus *dbus;
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struct l_dbus *dbus = dbus_get_bus();
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l_debug("");
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if (device->signal_agent) {
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device_signal_agent_release(device->signal_agent,
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netdev_get_path(device->netdev));
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signal_agent_free(device->signal_agent);
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}
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dbus = dbus_get_bus();
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l_dbus_unregister_object(dbus, netdev_get_path(device->netdev));
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scan_ifindex_remove(device->index);
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172
src/station.c
172
src/station.c
@ -1599,6 +1599,166 @@ struct l_dbus_message *station_dbus_scan(struct l_dbus *dbus,
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return NULL;
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}
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struct signal_agent {
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char *owner;
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char *path;
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unsigned int disconnect_watch;
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};
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static void station_signal_agent_notify(struct signal_agent *agent,
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const char *device_path, int level)
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{
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struct l_dbus_message *msg;
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uint8_t value = level;
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msg = l_dbus_message_new_method_call(dbus_get_bus(),
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agent->owner, agent->path,
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IWD_SIGNAL_AGENT_INTERFACE,
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"Changed");
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l_dbus_message_set_arguments(msg, "oy", device_path, value);
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l_dbus_message_set_no_reply(msg, true);
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l_dbus_send(dbus_get_bus(), msg);
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}
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void station_rssi_level_changed(struct station *station)
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{
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struct netdev *netdev = station->netdev;
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if (!station->signal_agent)
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return;
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station_signal_agent_notify(station->signal_agent,
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netdev_get_path(netdev),
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netdev_get_rssi_level(netdev));
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}
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static void station_signal_agent_release(struct signal_agent *agent,
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const char *device_path)
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{
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struct l_dbus_message *msg;
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msg = l_dbus_message_new_method_call(dbus_get_bus(),
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agent->owner, agent->path,
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IWD_SIGNAL_AGENT_INTERFACE,
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"Release");
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l_dbus_message_set_arguments(msg, "o", device_path);
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l_dbus_message_set_no_reply(msg, true);
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l_dbus_send(dbus_get_bus(), msg);
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}
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static void signal_agent_free(void *data)
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{
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struct signal_agent *agent = data;
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l_free(agent->owner);
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l_free(agent->path);
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l_dbus_remove_watch(dbus_get_bus(), agent->disconnect_watch);
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l_free(agent);
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}
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static void signal_agent_disconnect(struct l_dbus *dbus, void *user_data)
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{
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struct station *station = user_data;
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l_debug("signal_agent %s disconnected", station->signal_agent->owner);
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l_idle_oneshot(signal_agent_free, station->signal_agent, NULL);
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station->signal_agent = NULL;
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netdev_set_rssi_report_levels(station->netdev, NULL, 0);
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}
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static struct l_dbus_message *station_dbus_signal_agent_register(
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struct l_dbus *dbus,
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struct l_dbus_message *message,
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void *user_data)
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{
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struct station *station = user_data;
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const char *path, *sender;
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struct l_dbus_message_iter level_iter;
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int8_t levels[16];
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int err;
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int16_t val;
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size_t count = 0;
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if (station->signal_agent)
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return dbus_error_already_exists(message);
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l_debug("signal agent register called");
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if (!l_dbus_message_get_arguments(message, "oan", &path, &level_iter))
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return dbus_error_invalid_args(message);
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while (l_dbus_message_iter_next_entry(&level_iter, &val)) {
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if (count >= L_ARRAY_SIZE(levels) || val > 127 || val < -127)
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return dbus_error_invalid_args(message);
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levels[count++] = val;
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}
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if (count < 1)
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return dbus_error_invalid_args(message);
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err = netdev_set_rssi_report_levels(station->netdev, levels, count);
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if (err == -ENOTSUP)
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return dbus_error_not_supported(message);
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else if (err < 0)
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return dbus_error_failed(message);
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sender = l_dbus_message_get_sender(message);
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station->signal_agent = l_new(struct signal_agent, 1);
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station->signal_agent->owner = l_strdup(sender);
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station->signal_agent->path = l_strdup(path);
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station->signal_agent->disconnect_watch =
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l_dbus_add_disconnect_watch(dbus, sender,
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signal_agent_disconnect,
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station, NULL);
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l_debug("agent %s path %s", sender, path);
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/*
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* TODO: send an initial notification in a oneshot idle callback,
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* if state is connected.
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*/
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return l_dbus_message_new_method_return(message);
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}
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static struct l_dbus_message *station_dbus_signal_agent_unregister(
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struct l_dbus *dbus,
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struct l_dbus_message *message,
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void *user_data)
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{
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struct station *station = user_data;
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const char *path, *sender;
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if (!station->signal_agent)
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return dbus_error_failed(message);
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l_debug("signal agent unregister");
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if (!l_dbus_message_get_arguments(message, "o", &path))
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return dbus_error_invalid_args(message);
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if (strcmp(station->signal_agent->path, path))
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return dbus_error_not_found(message);
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sender = l_dbus_message_get_sender(message);
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if (strcmp(station->signal_agent->owner, sender))
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return dbus_error_not_found(message);
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signal_agent_free(station->signal_agent);
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station->signal_agent = NULL;
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netdev_set_rssi_report_levels(station->netdev, NULL, 0);
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return l_dbus_message_new_method_return(message);
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}
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void station_foreach(station_foreach_func_t func, void *user_data)
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{
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const struct l_queue_entry *entry;
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@ -1663,6 +1823,12 @@ void station_free(struct station *station)
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periodic_scan_stop(station);
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if (station->signal_agent) {
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station_signal_agent_release(station->signal_agent,
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netdev_get_path(station->netdev));
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signal_agent_free(station->signal_agent);
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}
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if (station->connect_pending)
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dbus_pending_reply(&station->connect_pending,
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dbus_error_aborted(station->connect_pending));
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@ -1689,6 +1855,12 @@ void station_free(struct station *station)
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static void station_setup_interface(struct l_dbus_interface *interface)
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{
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l_dbus_interface_method(interface, "RegisterSignalLevelAgent", 0,
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station_dbus_signal_agent_register,
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"", "oan", "path", "levels");
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l_dbus_interface_method(interface, "UnregisterSignalLevelAgent", 0,
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station_dbus_signal_agent_unregister,
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"", "o", "path");
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}
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static void station_destroy_interface(void *user_data)
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@ -54,6 +54,7 @@ struct station {
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struct l_dbus_message *connect_pending;
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struct l_dbus_message *disconnect_pending;
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struct l_dbus_message *scan_pending;
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struct signal_agent *signal_agent;
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/* Roaming related members */
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struct timespec roam_min_time;
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@ -127,6 +128,8 @@ struct l_dbus_message *station_dbus_scan(struct l_dbus *dbus,
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int station_disconnect(struct station *station);
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void station_rssi_level_changed(struct station *station);
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struct station *station_find(uint32_t ifindex);
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void station_foreach(station_foreach_func_t func, void *user_data);
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struct station *station_create(struct wiphy *wiphy, struct netdev *netdev);
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