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authorTasuku Suzuki <tasuku.suzuki@qt.io>2016-12-14 18:10:54 +0900
committerTasuku Suzuki <tasuku.suzuki@qt.io>2016-12-14 23:23:02 +0900
commitf67d4105a572345d1fed1231e06b99bd9411d040 (patch)
tree134fef0892a481d9cbbd7633feb40ae5b2439650 /wifi-api.c
merge the Settings in CES2017 and bindings from ALPS
Change-Id: I00a7a6c5dae1cd579f91d543b0f5fba4616a633b Signed-off-by: Tasuku Suzuki <tasuku.suzuki@qt.io>
Diffstat (limited to 'wifi-api.c')
-rw-r--r--wifi-api.c489
1 files changed, 489 insertions, 0 deletions
diff --git a/wifi-api.c b/wifi-api.c
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+/* Copyright 2016 ALPS ELECTRIC CO., LTD.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+/**
+ * file
+ *
+ * \brief Implementation of WiFi Binder for AGL's App Framework
+ *
+ * \author ALPS Electric
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <json-c/json.h>
+#include <afb/afb-binding.h>
+
+#include "wifi-api.h"
+#include "wifi-connman.h"
+
+/*
+ * the interface to afb-daemon
+ */
+const struct afb_binding_interface *afbitf;
+
+static int need_password_flag = 0;
+static int password_not_correct_flag = 0;
+
+char *passkey;
+callback ptr_my_callback;
+
+GSList *wifi_list = NULL;
+
+/**
+ * \brief Read out the passkey from the use and pass it to Agent
+ *
+ * \todo Since I do not know how to subscribe for the events from framework,
+ * it is necessary first to register the password http://IP_ADDRESS:PORT/api/wifi-manager/security?passkey=mypassword.
+ * Then this function is called automatically.
+ *
+ *
+ * */
+void passkey_inserted(void) {
+
+ printf("Passkey inserted: %s\n", passkey);
+
+ if (passkey != NULL) {
+
+ registerPasskey(passkey);
+ } else {
+ printf("Please enter the password first\n");
+
+ }
+}
+
+/**
+ * \brief Notify user that password is necessary
+ *
+ * This function is called from the registered agent on RequestInput() call.
+ * \todo Subscribe for this event from GUI.
+ *
+ * */
+void ask_for_passkey(int password_rejected_flag) {
+ //TODO: show network we are asking password for
+ printf("Insert passkey.\n");
+
+ if (!password_rejected_flag) {
+ need_password_flag = 1;
+ password_not_correct_flag = 0;
+ //sleep(1);
+ passkey_inserted();
+
+ }
+
+ else if (password_rejected_flag) {
+ need_password_flag = 1;
+ printf("Password not correct!\n");
+
+ }
+
+}
+
+/**
+ * \brief Insert passkey that will be used for connections to secured AP.
+ *
+ * \TODO Only temporary, user should enter the password on ask_for_passkey() callback
+ *
+ * */
+void wifi_insertpasskey(struct afb_req request) {
+
+ const char *passkey_from_user;
+
+ /* retrieves the argument, expects password string */
+ passkey_from_user = afb_req_value(request, "passkey");
+
+ if (passkey_from_user == NULL) {
+ //TODO:better error message
+ afb_req_fail(request, "failed", "specify a security key");
+
+ } else {
+
+ passkey = g_try_malloc0(256);
+ strcpy(passkey, passkey_from_user);
+ printf("Passkey is %s\n", passkey);
+
+ }
+
+ afb_req_success(request, NULL, NULL);
+}
+
+/**
+ * \brief initialize the binder and activates the WiFi HW, should be called first
+ *
+ * This will fail if
+ * - agent for handling password requests cannot be registered
+ * - some error is returned from connman
+ *
+ *
+ * \return result of the request, either "success" or "failed" with description
+ */
+static void wifi_activate(struct afb_req request) /*AFB_SESSION_CHECK*/
+{
+ json_object *jresp;
+ GError *error = NULL;
+
+ if (ptr_my_callback == NULL) {
+
+ printf("Registering callback\n");
+
+ ptr_my_callback = ask_for_passkey;
+ register_callback(ptr_my_callback);
+
+ }
+
+ jresp = json_object_new_object();
+ json_object_object_add(jresp, "activation", json_object_new_string("on"));
+
+ error = do_wifiActivate();
+
+ if (error == NULL) {
+
+ afb_req_success(request, jresp, "Wi-Fi - Activated");
+
+ } else
+
+ afb_req_fail(request, "failed", error->message);
+
+}
+
+/**
+ * \brief deinitialize the binder and activates the WiFi HW
+ *
+ * This will fail if
+ * - agent for handling password requests cannot be unregistered
+ * - some error is returned from connman
+ *
+ *
+ * \return result of the request, either "success" or "failed" with description
+ */
+static void wifi_deactivate(struct afb_req request) /*AFB_SESSION_CHECK*/
+{
+
+ json_object *jresp;
+ GError *error = NULL;
+
+ ptr_my_callback = NULL;
+
+ jresp = json_object_new_object();
+ json_object_object_add(jresp, "deactivation", json_object_new_string("on"));
+
+ error = do_wifiDeactivate();
+
+ if (error == NULL) {
+
+ afb_req_success(request, jresp, "Wi-Fi - Activated");
+
+ } else
+
+ afb_req_fail(request, "failed", error->message);
+}
+
+/**
+ * \brief starts scan
+ *
+ * \return result of the request, either "success" or "failed" with description
+ */
+void wifi_scan(struct afb_req request) /*AFB_SESSION_NONE*/
+{
+ GError *error = NULL;
+
+ error = do_wifiScan();
+
+ if (error == NULL) {
+
+ afb_req_success(request, NULL, "Wi-Fi - Scan success");
+
+ } else
+
+ afb_req_fail(request, "failed", error->message);
+
+}
+
+/**
+ * \brief return network list
+ *
+ *
+ * \return result of the request, either "success" or "failed" with description
+ */
+void wifi_scanResult(struct afb_req request) /*AFB_SESSION_CHECK*/
+{
+ struct wifi_profile_info *wifiProfile = NULL;
+ GSList *list = NULL;
+ GSList *holdMe = NULL;
+ wifi_list = NULL;
+ char *essid = NULL;
+ char *address = NULL;
+ char *security = NULL;
+ char *state = NULL;
+ int strength = 0;
+ int number = 0;
+ GError *error = NULL;
+
+ error = do_displayScan(&wifi_list); /*Get wifi scan list*/
+ if (error == NULL) {
+ json_object *my_array = json_object_new_array();
+
+ for (list = wifi_list; list; list = list->next) { /*extract wifi scan result*/
+ wifiProfile = (struct wifi_profile_info *) list->data;
+ security = wifiProfile->Security.sec_type;
+ strength = wifiProfile->Strength;
+ //if (essid == NULL || security == NULL)
+ // continue;
+
+ essid = wifiProfile->ESSID == NULL ?
+ "HiddenSSID" : wifiProfile->ESSID;
+ address =
+ wifiProfile->wifiNetwork.IPaddress == NULL ?
+ "unsigned" : wifiProfile->wifiNetwork.IPaddress;
+ state = wifiProfile->state;
+ //TODO: is there a case when security is NULL?
+
+ json_object *int1 = json_object_new_int(number);
+ json_object *int2 = json_object_new_int(strength);
+ json_object *jstring1 = json_object_new_string(essid);
+ json_object *jstring2 = json_object_new_string(security);
+ json_object *jstring3 = json_object_new_string(address);
+ json_object *jstring4 = json_object_new_string(state);
+
+ json_object *jresp = json_object_new_object();
+ json_object_object_add(jresp, "Number", int1);
+ json_object_object_add(jresp, "Strength", int2);
+ json_object_object_add(jresp, "ESSID", jstring1);
+ json_object_object_add(jresp, "Security", jstring2);
+ json_object_object_add(jresp, "IPAddress", jstring3);
+ json_object_object_add(jresp, "State", jstring4);
+
+ printf("The object json: %s\n", json_object_to_json_string(jresp));
+ /*input each scan result into my_array*/
+ json_object_array_add(my_array, jresp);
+ number += 1;
+ }
+ while (list != NULL) {
+ printf("Should be freed");
+ holdMe = list->next;
+ g_free(list);
+ list = holdMe;
+ }
+ afb_req_success(request, my_array, "Wi-Fi - Scan Result is Displayed");
+ } else
+ afb_req_fail(request, "failed", error->message);
+}
+
+/**
+ * \brief connects to network
+ *
+ * \param[in] request number of network to connect to
+ *
+ * specify number of network to connect to obtained by scan_result() like this,
+ * http://IP_ADDRESS:PORT/api/wifi-manager/connect?network=1
+ */
+void wifi_connect(struct afb_req request) {
+
+ struct wifi_profile_info *wifiProfileToConnect = NULL;
+
+ const char *network;
+ int network_index = 0;
+ GError *error = NULL;
+ GSList *item = NULL;
+
+ /* retrieves the argument, expects the network number */
+ network = afb_req_value(request, "network");
+
+ if (network == NULL)
+ //TODO:better error message
+ afb_req_fail(request, "failed",
+ "specify a network number to connect to");
+
+ else {
+ network_index = atoi(network);
+ printf("Joining network number %d\n", network_index);
+
+ }
+
+ //get information about desired network
+ item = g_slist_nth_data(wifi_list, network_index);
+
+ if (item == NULL) {
+ //Index starts from 1
+ printf("Network with number %d not found.\n", network_index + 1);
+ //TODO:better error message
+ afb_req_fail(request, "failed", "bad arguments");
+ }
+
+ else {
+ wifiProfileToConnect = (struct wifi_profile_info *) item;
+ printf("Name: %s, strength: %d, %s\n", wifiProfileToConnect->ESSID,
+ wifiProfileToConnect->Strength,
+ wifiProfileToConnect->NetworkPath);
+ //printf ("Connecting to %s\n", wifiProfileToConnect->NetworkPath);
+ }
+ error = do_connectNetwork(wifiProfileToConnect->NetworkPath);
+
+ if (error == NULL)
+ afb_req_success(request, NULL, NULL);
+
+ else if (password_not_correct_flag) {
+ need_password_flag = 0;
+ password_not_correct_flag = 0;
+ afb_req_fail(request, "password-incorrect", NULL);
+ } else if (need_password_flag) {
+ need_password_flag = 0;
+ afb_req_fail(request, "need-password", NULL);
+
+ } else
+ afb_req_fail(request, "failed", error->message);
+}
+
+/**
+ * \brief disconnect from network
+ *
+ * \param[in] request number of network to disconnect from
+ *
+ * specify number of network to disconnect from obtained by scan_result() like this,
+ * http://IP_ADDRESS:PORT/api/wifi-manager/discnnect?network=1
+ */
+void wifi_disconnect(struct afb_req request) {
+
+ struct wifi_profile_info *wifiProfileToConnect = NULL;
+
+ const char *network;
+ int network_index = 0;
+ GError *error = NULL;
+ GSList *item = NULL;
+
+ /* retrieves the argument, expects the network number */
+ network = afb_req_value(request, "network");
+
+ if (network == NULL)
+ //TODO:better error message
+ afb_req_fail(request, "failed",
+ "specify a network number to disconnect from");
+
+ else {
+ network_index = atoi(network);
+ printf("Joining network number %d\n", network_index);
+
+ }
+
+ //get information about desired network
+ item = g_slist_nth_data(wifi_list, network_index);
+
+ if (item == NULL) {
+ //Index starts from 1
+ printf("Network with number %d not found.\n", network_index + 1);
+ //TODO:better error message
+ afb_req_fail(request, "failed", "bad arguments");
+ }
+
+ else {
+ wifiProfileToConnect = (struct wifi_profile_info *) item;
+ printf("Name: %s, strength: %d, %s\n", wifiProfileToConnect->ESSID,
+ wifiProfileToConnect->Strength,
+ wifiProfileToConnect->NetworkPath);
+ //printf ("Connecting to %s\n", wifiProfileToConnect->NetworkPath);
+ }
+ error = do_disconnectNetwork(wifiProfileToConnect->NetworkPath);
+
+ if (error == NULL)
+ afb_req_success(request, NULL, NULL);
+ else
+ afb_req_fail(request, "failed", error->message);
+}
+
+/**
+ * \brief return current status of connection
+ *
+ * \return result of the request, either "success" or "failed" with description
+ */
+void wifi_status(struct afb_req request) {
+ int error = 0;
+ wifi_list = NULL;
+ struct wifiStatus *status;
+ json_object *jresp = json_object_new_object();
+
+ status = g_try_malloc0(sizeof(struct wifiStatus));
+ error = wifi_state(status); /*get current status of power and connection*/
+ if (!error) {
+ if (status->state == 0) {/*Wi-Fi is OFF*/
+ json_object_object_add(jresp, "Power",
+ json_object_new_string("OFF"));
+ //json_object_object_add(jresp, "Connection", json_object_new_string("Disconnected"));
+ printf("Wi-Fi OFF\n");
+ } else {/*Wi-Fi is ON*/
+ json_object_object_add(jresp, "Power",
+ json_object_new_string("ON"));
+ if (status->connected == 0) {/*disconnected*/
+ json_object_object_add(jresp, "Connection",
+ json_object_new_string("Disconnected"));
+ printf("Wi-Fi ON - Disconnected \n");
+ } else {/*Connected*/
+ json_object_object_add(jresp, "Connection",
+ json_object_new_string("Connected"));
+ printf("Wi-Fi ON - Connected \n");
+ }
+ }
+ afb_req_success(request, jresp, "Wi-Fi - Connection Status Checked");
+ } else {
+ afb_req_fail(request, "failed", "Wi-Fi - Connection Status unknown");
+ }
+}
+
+void wifi_reconnect() {
+ /*TBD*/
+}
+
+
+
+/*
+ * array of the verbs exported to afb-daemon
+ */
+static const struct afb_verb_desc_v1 binding_verbs[] = {
+/* VERB'S NAME SESSION MANAGEMENT FUNCTION TO CALL SHORT DESCRIPTION */
+{ .name = "activate", .session = AFB_SESSION_NONE, .callback = wifi_activate, .info = "Activate Wi-Fi" },
+{ .name = "deactivate", .session = AFB_SESSION_NONE, .callback = wifi_deactivate, .info ="Deactivate Wi-Fi" },
+{ .name = "scan", .session = AFB_SESSION_NONE, .callback = wifi_scan, .info = "Scanning Wi-Fi" },
+{ .name = "scan_result",.session = AFB_SESSION_NONE, .callback = wifi_scanResult, .info = "Get scan result Wi-Fi" },
+{ .name = "connect", .session = AFB_SESSION_NONE, .callback = wifi_connect, .info ="Connecting to Access Point" },
+{ .name = "status", .session = AFB_SESSION_NONE, .callback = wifi_status, .info ="Check connection status" },
+{ .name = "disconnect", .session = AFB_SESSION_NONE, .callback = wifi_disconnect, .info ="Disconnecting connection" },
+{ .name = "reconnect", .session = AFB_SESSION_NONE, .callback = wifi_reconnect, .info ="Reconnecting to Access Point" },
+{ .name = "security", .session = AFB_SESSION_NONE, .callback = wifi_insertpasskey, .info ="Insert passkey" },
+
+{ .name = NULL } /* marker for end of the array */
+};
+
+/*
+ * description of the binding for afb-daemon
+ */
+static const struct afb_binding binding_description = {
+/* description conforms to VERSION 1 */
+.type = AFB_BINDING_VERSION_1, .v1 = { /* fills the v1 field of the union when AFB_BINDING_VERSION_1 */
+.prefix = "wifi-manager", /* the API name (or binding name or prefix) */
+.info = "wifi API", /* short description of of the binding */
+.verbs = binding_verbs /* the array describing the verbs of the API */
+} };
+
+/*
+ * activation function for registering the binding called by afb-daemon
+ */
+const struct afb_binding *afbBindingV1Register(
+ const struct afb_binding_interface *itf) {
+ afbitf = itf; // records the interface for accessing afb-daemon
+ return &binding_description; // returns the description of the binding
+}
+