From 18e149d5c2f7155ef2933fe4e3ac15837c99235d Mon Sep 17 00:00:00 2001 From: srimaldia Date: Fri, 9 Dec 2016 20:05:35 +0900 Subject: add standalone wifi app Signed-off-by: srimaldia --- wifi-api.c | 489 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 489 insertions(+) create mode 100755 wifi-api.c (limited to 'wifi-api.c') diff --git a/wifi-api.c b/wifi-api.c new file mode 100755 index 0000000..2d9748f --- /dev/null +++ b/wifi-api.c @@ -0,0 +1,489 @@ +/* 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 +#include +#include +#include +#include +#include + +#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 +} + -- cgit 1.2.3-korg