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-rw-r--r--binding-wifi/wifi-api.c789
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diff --git a/binding-wifi/wifi-api.c b/binding-wifi/wifi-api.c
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--- a/binding-wifi/wifi-api.c
+++ /dev/null
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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"
-
-
-
-static int need_passkey_flag = 0;
-static int passkey_not_correct_flag = 0;
-
-char *passkey;
-callback ptr_my_callback;
-callback wifiListChanged_clbck;
-
-GSList *wifi_list = NULL;
-
-
-/**
- * \brief Input the passkey for connection to AP.
- *
- * \param[in] passkey pasword for the network
- *
- * The user should first subscribe for the event 'passkey' and then provide passkey
- * when this event has been received.
- *
- * */
-static void insertpasskey(struct afb_req request) {
-
-
- const char *passkey_from_user;
-
- /* retrieves the argument, expects passkey string */
- passkey_from_user = afb_req_value(request, "passkey");
-
- NOTICE(afbitf, "Passkey inserted: %s\n", passkey_from_user);
-
- sendPasskey(passkey_from_user);
-
-
- if (passkey != NULL) {
-
- registerPasskey(passkey);
- } else {
- NOTICE(afbitf, "Please enter the passkey first\n");
-
- }
-}
-
-
-
-struct event
-{
- struct event *next;
- struct afb_event event;
- char tag[1];
-};
-
-static struct event *events = 0;
-
-/**
- * \internal
- * \brief Helper function that searches for a specific event.
- *
- * \param[in] tag of the event
- */
-static struct event *event_get(const char *tag)
-{
- struct event *e = events;
- while(e && strcmp(e->tag, tag))
- e = e->next;
- return e;
-}
-
-/**
- * \internal
- * \brief Helper function that actually pushes the event.
- *
- * \param[in] tag of the event
- * \param[in] *args json object that contains data for the event
- *
- */
-static int do_event_push(struct json_object *args, const char *tag)
-{
- struct event *e;
- e = event_get(tag);
- return e ? afb_event_push(e->event, json_object_get(args)) : -1;
-}
-
-/**
- * \internal
- * \brief Pushes the event of 'tag' with the 'data
- *
- * \param[in] tag
- * \param[in] data
- *
- */
-static void eventpush (struct afb_req request)
-{
- const char *tag = afb_req_value(request, "tag");
- const char *data = afb_req_value(request, "data");
- json_object *object = data ? json_tokener_parse(data) : NULL;
-
- if (tag == NULL)
- afb_req_fail(request, "failed", "bad arguments");
- else if (0 > do_event_push(object, tag))
- afb_req_fail(request, "failed", "push error");
- else
- afb_req_success(request, NULL, NULL);
-}
-
-/**
- *
- * \brief Notify user that passkey is necessary.
- *
- * \param[in] number additional integer data produced by Agent
- * \param[in] asciidata additional ascii data produced by Agent
- *
- * This function is called from the registered agent on RequestInput() call.
- *
- */
-void ask_for_passkey(int number, const char* asciidata) {
- NOTICE(afbitf, "Passkey for %s network needed.", asciidata);
- NOTICE(afbitf, "Sending event.");
-
- json_object *jresp = json_object_new_object();
-
- json_object *int1 = json_object_new_int(number);
- json_object *string = json_object_new_string(asciidata);
-
- json_object_object_add(jresp, "data1", int1);
- json_object_object_add(jresp, "data2", string);
-
-
- do_event_push(jresp, "passkey");
-}
-
-/**
- * \internal
- * \brief Notify GUI that wifi list has changed.
- *
- * \param[in] number number of event that caused the callback
- * \param[in] asciidata additional data, e.g "BSSRemoved"
- *
- * User should first subscribe for the event 'networkList' and then wait for this event.
- * When notification comes, update the list if networks by scan_result call.
- *
- */
-void wifiListChanged(int number, const char* asciidata) {
-
- //WARNING(afbitf, "wifiListChanged, reason:%d, %s",number, asciidata );
-
-
- json_object *jresp = json_object_new_object();
-
- json_object *int1 = json_object_new_int(number);
- json_object *string = json_object_new_string(asciidata);
-
- json_object_object_add(jresp, "data1", int1);
- json_object_object_add(jresp, "data2", string);
-
- do_event_push(jresp, "networkList");
-
-
-
-}
-
-
-/**
- * \brief Initializes the binder and activates the WiFi HW, should be called first.
- *
- * \param[in] request no specific data needed
- *
- * \return result of the request, either "success" or "failed" with description of error
- *
- * This will fail if
- * - agent for handling passkey requests cannot be registered
- * - some error is returned from connman
- */
-static void activate(struct afb_req request) /*AFB_SESSION_CHECK*/
-{
- json_object *jresp;
- GError *error = NULL;
-
- if (ptr_my_callback == NULL) {
-
- ptr_my_callback = ask_for_passkey;
- register_callbackSecurity(ptr_my_callback);
-
- }
-
- if (wifiListChanged_clbck == NULL) {
-
- wifiListChanged_clbck = wifiListChanged;
- register_callbackWiFiList(wifiListChanged_clbck);
-
- }
-
- 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 Deinitializes the binder and deactivates the WiFi HW.
- *
- * \param[in] request no specific data needed
- *
- * \return result of the request, either "success" or "failed" with description of error
- *
- * This will fail if
- * - agent for handling passkey requests cannot be unregistered
- * - some error is returned from connman
- *
- */
-static void 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 for access points.
- *
- * \param[in] request no specific data needed
- *
- * \return result of the request, either "success" or "failed" with description of error
- *
- * User should first subscribe for the event 'networkList' and then wait for event to come.
- * When notification comes, update the list of networks by scan_result call.
- */
-static void 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.
- *
- * \param[in] request no specific data needed
- *
- * \return result of the request, either "success" or "failed" with description of error \n
- * result is array of following json objects: Number, Strength, ESSID, Security, IPAddress, State.
- * E.g. {"Number":0,"Strength":82,"ESSID":"wifidata02","Security":"ieee8021x","IPAddress":"unsigned","State":"idle"}, or \n
- * {"Number":1,"Strength":51,"ESSID":"ALCZM","Security":"WPA-PSK","IPAddress":"192.168.1.124","State":"ready"}
- */
-static void scan_result(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;
- unsigned 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);
-
- DEBUG(afbitf, "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;
-
- //set the HMI icon according to strength, only if "ready" or "online"
-
- int error = 0;
- struct wifiStatus *status;
-
- status = g_try_malloc0(sizeof(struct wifiStatus));
- error = wifi_state(status); /*get current status of power and connection*/
- if (!error) {
-
- if (status->connected == 1) {
-
- if ((strcmp(state, "ready") == 0)
- || ((strcmp(state, "online") == 0))) {
-
- if (strength < 30)
- setHMIStatus(BAR_1);
- else if (strength < 50)
- setHMIStatus(BAR_2);
- else if (strength < 70)
- setHMIStatus(BAR_3);
- else
- setHMIStatus(BAR_FULL);
- }
- } else
- setHMIStatus(BAR_NO);
- }
-
- }
- while (list != NULL) {
- 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 a specific network.
- *
- * \param[in] request Number of network to connect to.
- *
- * \return result of the request, either "success" or "failed" with description of error
- *
- * Specify number of network to connect to obtained by scan_result().
- * User should first subscribe for the event 'passkey', if passkey
- * is needed for connection this event is pushed.
- *
- */
-static void 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);
- NOTICE(afbitf,"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
- ERROR(afbitf, "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;
- INFO(afbitf, "Name: %s, strength: %d, %s\n", wifiProfileToConnect->ESSID,
- wifiProfileToConnect->Strength,
- wifiProfileToConnect->NetworkPath);
- }
- error = do_connectNetwork(wifiProfileToConnect->NetworkPath);
-
- if (error == NULL)
- afb_req_success(request, NULL, NULL);
-
- else if (passkey_not_correct_flag) {
- need_passkey_flag = 0;
- passkey_not_correct_flag = 0;
- afb_req_fail(request, "passkey-incorrect", NULL);
- } else if (need_passkey_flag) {
- need_passkey_flag = 0;
- afb_req_fail(request, "need-passkey", NULL);
-
- } else
- afb_req_fail(request, "failed", error->message);
-}
-
-/**
- * \brief Disconnects from a network.
- *
- * \param[in] request number of network to disconnect from
- *
- * \return result of the request, either "success" or "failed" with description of error
- *
- * Specify number of network to disconnect from obtained by scan_result().
- */
-static void 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);
- NOTICE(afbitf, "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
- ERROR(afbitf,"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;
- INFO(afbitf, "Name: %s, strength: %d, %s\n", wifiProfileToConnect->ESSID,
- wifiProfileToConnect->Strength,
- 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 a connection.
- *
- * \param[in] request no specific data needed
- *
- * \return result of the request, either "success" with status or "failed" with description of error
- */
-static void 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"));
- DEBUG(afbitf, "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"));
- DEBUG(afbitf, "Wi-Fi ON - Disconnected \n");
- } else {/*Connected*/
- json_object_object_add(jresp, "Connection",
- json_object_new_string("Connected"));
- DEBUG(afbitf, "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");
- }
-}
-
-static void reconnect() {
- /*TBD*/
-}
-
-
-
-/**
- * \internal
- * \brief Helper functions that actually delete the tag.
- *
- * \param[in] tag tag to delete
- *
- * \return result of the request, either "success" or "failed" with description of error
- */
-static int event_del(const char *tag)
-{
- struct event *e, **p;
-
- /* check exists */
- e = event_get(tag);
- if (!e) return -1;
-
- /* unlink */
- p = &events;
- while(*p != e) p = &(*p)->next;
- *p = e->next;
-
- /* destroys */
- afb_event_drop(e->event);
- free(e);
- return 0;
-}
-
-/**
- * \internal
- * \brief Helper functions that actually creates event of the tag.
- *
- * \param[in] tag tag to add
- * \param[in] name name to add
- *
- * \return result of the request, either "success" or "failed" with description of error
- */
-static int event_add(const char *tag, const char *name)
-{
- struct event *e;
-
- /* check valid tag */
- e = event_get(tag);
- if (e) return -1;
-
- /* creation */
- e = malloc(strlen(tag) + sizeof *e);
- if (!e) return -1;
- strcpy(e->tag, tag);
-
- /* make the event */
- e->event = afb_daemon_make_event(afbitf->daemon, name);
- if (!e->event.closure) { free(e); return -1; }
-
- /* link */
- e->next = events;
- events = e;
- return 0;
-}
-
-/**
- * \brief Creates event of the tag.
- *
- * \param[in] request tag and name of the event
- *
- * \return result of the request, either "success" or "failed" with description of error
- */
-static void eventadd (struct afb_req request)
-{
- const char *tag = afb_req_value(request, "tag");
- const char *name = afb_req_value(request, "name");
-
- json_object *query = afb_req_json(request);
-
- if (tag == NULL || name == NULL)
- afb_req_fail(request, "failed", "bad arguments");
- else if (0 != event_add(tag, name))
- afb_req_fail(request, "failed", "creation error");
- else
- afb_req_success(request, NULL, NULL);
-}
-
-/**
- * \brief Deletes the event of tag.
- *
- * \param[in] request tag to delete
- *
- * \return result of the request, either "success" or "failed" with description of error
- */
-static void eventdel (struct afb_req request)
-{
- const char *tag = afb_req_value(request, "tag");
-
- if (tag == NULL)
- afb_req_fail(request, "failed", "bad arguments");
- else if (0 != event_del(tag))
- afb_req_fail(request, "failed", "deletion error");
- else
- afb_req_success(request, NULL, NULL);
-}
-
-
-/**
- * \internal
- * \brief Helper functions to subscribe for the event of tag.
- *
- * \param[in] request tag to subscribe for
- *
- * \return result of the request, either "success" or "failed" with description of error
- */
-static int event_subscribe(struct afb_req request, const char *tag)
-{
- struct event *e;
- e = event_get(tag);
- return e ? afb_req_subscribe(request, e->event) : -1;
-}
-
-/**
- * \internal
- * \brief Helper functions to unsubscribe for the event of tag.
- *
- * \param[in] request tag to unsubscribe for
- *
- * \return result of the request, either "success" or "failed" with description of error
- */
-static int event_unsubscribe(struct afb_req request, const char *tag)
-{
- struct event *e;
- e = event_get(tag);
- return e ? afb_req_unsubscribe(request, e->event) : -1;
-}
-
-
-/**
- * \brief Subscribes for the event of tag.
- *
- * \param[in] request tag to subscribe for
- *
- * \return result of the request, either "success" or "failed" with description of error
- */
-static void eventsub (struct afb_req request)
-{
- const char *tag = afb_req_value(request, "tag");
-
- if (tag == NULL)
- afb_req_fail(request, "failed", "bad arguments");
- else if (0 != event_subscribe(request, tag))
- afb_req_fail(request, "failed", "subscription error");
- else
- afb_req_success(request, NULL, NULL);
-}
-
-
-/**
- * \brief Unsubscribes for the event of tag.
- *
- * \param[in] request tag to unsubscribe for
- *
- * \return result of the request, either "success" or "failed" with description of error
- */
-static void eventunsub (struct afb_req request)
-{
- const char *tag = afb_req_value(request, "tag");
-
- if (tag == NULL)
- afb_req_fail(request, "failed", "bad arguments");
- else if (0 != event_unsubscribe(request, tag))
- afb_req_fail(request, "failed", "unsubscription error");
- else
- afb_req_success(request, NULL, NULL);
-}
-
-
-/*
- * 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 = activate, .info = "Activate Wi-Fi" },
-{ .name = "deactivate", .session = AFB_SESSION_NONE, .callback = deactivate, .info ="Deactivate Wi-Fi" },
-{ .name = "scan", .session = AFB_SESSION_NONE, .callback = scan, .info ="Scanning Wi-Fi" },
-{ .name = "scan_result", .session = AFB_SESSION_NONE, .callback = scan_result, .info = "Get scan result Wi-Fi" },
-{ .name = "connect", .session = AFB_SESSION_NONE, .callback = connect, .info ="Connecting to Access Point" },
-{ .name = "status", .session = AFB_SESSION_NONE, .callback = status, .info ="Check connection status" },
-{ .name = "disconnect", .session = AFB_SESSION_NONE, .callback = disconnect, .info ="Disconnecting connection" },
-{ .name = "reconnect", .session = AFB_SESSION_NONE, .callback = reconnect, .info ="Reconnecting to Access Point" },
-{ .name = "insertpasskey",.session = AFB_SESSION_NONE, .callback = insertpasskey, .info ="inputs the passkey after it has been requsted"},
-{ .name = "eventadd", .session = AFB_SESSION_NONE, .callback = eventadd, .info ="adds the event of 'name' for the 'tag'"},
-{ .name = "eventsub", .session = AFB_SESSION_NONE, .callback = eventsub, .info ="unsubscribes to the event of 'tag'"},
-{ .name = "eventpush", .session = AFB_SESSION_NONE, .callback = eventpush, .info ="pushes the event of 'tag' with the 'data'"},
-{ .name = "eventunsub", .session = AFB_SESSION_NONE, .callback = eventunsub, .info ="unsubscribes to the event of 'tag'"},
-{ .name = "eventdel", .session = AFB_SESSION_NONE, .callback = eventdel, .info ="deletes the event of 'tag'"},
-
-{ .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
-}
-