WiFi Channel Settings.

2021-08-20 10:35:37 -04:00
parent 140f2abd39
commit f6aa331d77
40 changed files with 2409 additions and 597 deletions
@@ -1,547 +0,0 @@
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-MAKECOMMAND-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: MEMORYCHECK_COMMAND
-MEMORYCHECK_COMMAND-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: MEMORYCHECK_SUPPRESSIONS_FILE
-MEMORYCHECK_SUPPRESSIONS_FILE-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: P4COMMAND
-P4COMMAND-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: PKG_CONFIG_EXECUTABLE
-PKG_CONFIG_EXECUTABLE-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: SITE
-SITE-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: SLURM_SBATCH_COMMAND
-SLURM_SBATCH_COMMAND-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: SLURM_SRUN_COMMAND
-SLURM_SRUN_COMMAND-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: SVNCOMMAND
-SVNCOMMAND-ADVANCED:INTERNAL=1
-__pkg_config_arguments_LILV_0:INTERNAL=lilv-0
-__pkg_config_checked_LILV_0:INTERNAL=1
-//ADVANCED property for variable: pkgcfg_lib_LILV_0_dl
-pkgcfg_lib_LILV_0_dl-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: pkgcfg_lib_LILV_0_lilv-0
-pkgcfg_lib_LILV_0_lilv-0-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: pkgcfg_lib_LILV_0_serd-0
-pkgcfg_lib_LILV_0_serd-0-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: pkgcfg_lib_LILV_0_sord-0
-pkgcfg_lib_LILV_0_sord-0-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: pkgcfg_lib_LILV_0_sratom-0
-pkgcfg_lib_LILV_0_sratom-0-ADVANCED:INTERNAL=1
-prefix_result:INTERNAL=/usr/lib/arm-linux-gnueabihf
-
@@ -5,20 +5,22 @@ find_program(NPM_COMMAND npm)

 if (CMAKE_BUILD_TYPE MATCHES Debug)
   set(BUILD_REACT "echo")
+   set(BUILD_REACT_ARGS Skipping react debug build)
 else()
    set(BUILD_REACT ${NPM_COMMAND})
+    set(BUILD_REACT_ARGS run build)
 endif()

 set (BUILD_DIRECTORY ${PROJECT_SOURCE_DIR}/build/react/build)
-message(STATUS "React Build...")

 add_custom_command(
    OUTPUT ${BUILD_DIRECTORY}/index.html
    COMMAND ${BUILD_REACT}
-    ARGS  run build
+    ARGS  ${BUILD_REACT_ARGS}
    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/react

    DEPENDS 
+        src/WifiChannel.tsx
        src/JackServerSettingsDialog.tsx
        src/JackServerSettings.tsx
        
@@ -74,7 +76,13 @@ add_custom_command(
        src/Utility.tsx
        src/VuMeter.tsx
        src/PluginPreset.tsx
+        src/XxxSnippet.tsx
+        src/WifiConfigSettings.tsx
+        src/WifiConfigDialog.tsx
+        src/NoChangePassword.tsx
+        src/XxxSnippet.tsx

+        public/iso_codes.json
        public/logo512.png
        public/index.html
        public/manifest.json
@@ -20,7 +20,7 @@
  },
  "scripts": {
    "start": "react-scripts start",
-    "build": "BUILD_PATH='../../build/react/src/build' react-scripts build",
+    "build": "BUILD_PATH='../build/react/build' react-scripts build",
    "test": "react-scripts test",
    "eject": "react-scripts eject"
  },
@@ -0,0 +1,248 @@
+{
+"AF": "Afghanistan",
+"AX": "Aland Islands",
+"AL": "Albania",
+"DZ": "Algeria",
+"AS": "American Samoa",
+"AD": "Andorra",
+"AO": "Angola",
+"AI": "Anguilla",
+"AQ": "Antarctica",
+"AG": "Antigua And Barbuda",
+"AR": "Argentina",
+"AM": "Armenia",
+"AW": "Aruba",
+"AU": "Australia",
+"AT": "Austria",
+"AZ": "Azerbaijan",
+"BS": "Bahamas",
+"BH": "Bahrain",
+"BD": "Bangladesh",
+"BB": "Barbados",
+"BY": "Belarus",
+"BE": "Belgium",
+"BZ": "Belize",
+"BJ": "Benin",
+"BM": "Bermuda",
+"BT": "Bhutan",
+"BO": "Bolivia",
+"BA": "Bosnia And Herzegovina",
+"BW": "Botswana",
+"BV": "Bouvet Island",
+"BR": "Brazil",
+"IO": "British Indian Ocean Territory",
+"BN": "Brunei Darussalam",
+"BG": "Bulgaria",
+"BF": "Burkina Faso",
+"BI": "Burundi",
+"KH": "Cambodia",
+"CM": "Cameroon",
+"CA": "Canada",
+"CV": "Cape Verde",
+"KY": "Cayman Islands",
+"CF": "Central African Republic",
+"TD": "Chad",
+"CL": "Chile",
+"CN": "China",
+"CX": "Christmas Island",
+"CC": "Cocos (Keeling) Islands",
+"CO": "Colombia",
+"KM": "Comoros",
+"CG": "Congo",
+"CD": "Congo, Democratic Republic",
+"CK": "Cook Islands",
+"CR": "Costa Rica",
+"CI": "Cote D\"Ivoire",
+"HR": "Croatia",
+"CU": "Cuba",
+"CY": "Cyprus",
+"CZ": "Czech Republic",
+"DK": "Denmark",
+"DJ": "Djibouti",
+"DM": "Dominica",
+"DO": "Dominican Republic",
+"EC": "Ecuador",
+"EG": "Egypt",
+"SV": "El Salvador",
+"GQ": "Equatorial Guinea",
+"ER": "Eritrea",
+"EE": "Estonia",
+"ET": "Ethiopia",
+"FK": "Falkland Islands (Malvinas)",
+"FO": "Faroe Islands",
+"FJ": "Fiji",
+"FI": "Finland",
+"FR": "France",
+"GF": "French Guiana",
+"PF": "French Polynesia",
+"TF": "French Southern Territories",
+"GA": "Gabon",
+"GM": "Gambia",
+"GE": "Georgia",
+"DE": "Germany",
+"GH": "Ghana",
+"GI": "Gibraltar",
+"GR": "Greece",
+"GL": "Greenland",
+"GD": "Grenada",
+"GP": "Guadeloupe",
+"GU": "Guam",
+"GT": "Guatemala",
+"GG": "Guernsey",
+"GN": "Guinea",
+"GW": "Guinea-Bissau",
+"GY": "Guyana",
+"HT": "Haiti",
+"HM": "Heard Island & Mcdonald Islands",
+"VA": "Holy See (Vatican City State)",
+"HN": "Honduras",
+"HK": "Hong Kong",
+"HU": "Hungary",
+"IS": "Iceland",
+"IN": "India",
+"ID": "Indonesia",
+"IR": "Iran, Islamic Republic Of",
+"IQ": "Iraq",
+"IE": "Ireland",
+"IM": "Isle Of Man",
+"IL": "Israel",
+"IT": "Italy",
+"JM": "Jamaica",
+"JP": "Japan",
+"JE": "Jersey",
+"JO": "Jordan",
+"KZ": "Kazakhstan",
+"KE": "Kenya",
+"KI": "Kiribati",
+"KR": "Korea",
+"KP": "North Korea",
+"KW": "Kuwait",
+"KG": "Kyrgyzstan",
+"LA": "Lao People\"s Democratic Republic",
+"LV": "Latvia",
+"LB": "Lebanon",
+"LS": "Lesotho",
+"LR": "Liberia",
+"LY": "Libyan Arab Jamahiriya",
+"LI": "Liechtenstein",
+"LT": "Lithuania",
+"LU": "Luxembourg",
+"MO": "Macao",
+"MK": "Macedonia",
+"MG": "Madagascar",
+"MW": "Malawi",
+"MY": "Malaysia",
+"MV": "Maldives",
+"ML": "Mali",
+"MT": "Malta",
+"MH": "Marshall Islands",
+"MQ": "Martinique",
+"MR": "Mauritania",
+"MU": "Mauritius",
+"YT": "Mayotte",
+"MX": "Mexico",
+"FM": "Micronesia, Federated States Of",
+"MD": "Moldova",
+"MC": "Monaco",
+"MN": "Mongolia",
+"ME": "Montenegro",
+"MS": "Montserrat",
+"MA": "Morocco",
+"MZ": "Mozambique",
+"MM": "Myanmar",
+"NA": "Namibia",
+"NR": "Nauru",
+"NP": "Nepal",
+"NL": "Netherlands",
+"AN": "Netherlands Antilles",
+"NC": "New Caledonia",
+"NZ": "New Zealand",
+"NI": "Nicaragua",
+"NE": "Niger",
+"NG": "Nigeria",
+"NU": "Niue",
+"NF": "Norfolk Island",
+"MP": "Northern Mariana Islands",
+"NO": "Norway",
+"OM": "Oman",
+"PK": "Pakistan",
+"PW": "Palau",
+"PS": "Palestinian Territory, Occupied",
+"PA": "Panama",
+"PG": "Papua New Guinea",
+"PY": "Paraguay",
+"PE": "Peru",
+"PH": "Philippines",
+"PN": "Pitcairn",
+"PL": "Poland",
+"PT": "Portugal",
+"PR": "Puerto Rico",
+"QA": "Qatar",
+"RE": "Reunion",
+"RO": "Romania",
+"RU": "Russian Federation",
+"RW": "Rwanda",
+"BL": "Saint Barthelemy",
+"SH": "Saint Helena",
+"KN": "Saint Kitts And Nevis",
+"LC": "Saint Lucia",
+"MF": "Saint Martin",
+"PM": "Saint Pierre And Miquelon",
+"VC": "Saint Vincent And Grenadines",
+"WS": "Samoa",
+"SM": "San Marino",
+"ST": "Sao Tome And Principe",
+"SA": "Saudi Arabia",
+"SN": "Senegal",
+"RS": "Serbia",
+"SC": "Seychelles",
+"SL": "Sierra Leone",
+"SG": "Singapore",
+"SK": "Slovakia",
+"SI": "Slovenia",
+"SB": "Solomon Islands",
+"SO": "Somalia",
+"ZA": "South Africa",
+"GS": "South Georgia And Sandwich Isl.",
+"ES": "Spain",
+"LK": "Sri Lanka",
+"SD": "Sudan",
+"SR": "Suriname",
+"SJ": "Svalbard And Jan Mayen",
+"SZ": "Swaziland",
+"SE": "Sweden",
+"CH": "Switzerland",
+"SY": "Syrian Arab Republic",
+"TW": "Taiwan",
+"TJ": "Tajikistan",
+"TZ": "Tanzania",
+"TH": "Thailand",
+"TL": "Timor-Leste",
+"TG": "Togo",
+"TK": "Tokelau",
+"TO": "Tonga",
+"TT": "Trinidad And Tobago",
+"TN": "Tunisia",
+"TR": "Turkey",
+"TM": "Turkmenistan",
+"TC": "Turks And Caicos Islands",
+"TV": "Tuvalu",
+"UG": "Uganda",
+"UA": "Ukraine",
+"AE": "United Arab Emirates",
+"GB": "United Kingdom",
+"US": "United States",
+"UM": "United States Outlying Islands",
+"UY": "Uruguay",
+"UZ": "Uzbekistan",
+"VU": "Vanuatu",
+"VE": "Venezuela",
+"VN": "Vietnam",
+"VG": "Virgin Islands, British",
+"VI": "Virgin Islands, U.S.",
+"WF": "Wallis And Futuna",
+"EH": "Western Sahara",
+"YE": "Yemen",
+"ZM": "Zambia",
+"ZW": "Zimbabwe"
+}
@@ -1,5 +1,5 @@
 {
-   "socket_server_port": 80,
+   "socket_server_port": 8080,
   "socket_server_address": "*",

    "max_upload_size": 1048576,
@@ -646,7 +646,7 @@ const App = withStyles(appStyles)(class extends ResizeResponsiveComponent<AppPro
                                )}
                            </div>
                        )}
-                    <TemporaryDrawer position='left' title="piddle"
+                    <TemporaryDrawer position='left' title="PiPedal"
                        is_open={this.state.isDrawerOpen} onClose={() => { this.hideDrawer(); }} >
                        <List subheader={
                            <ListSubheader component="div" id="nested-list-subheader">Banks</ListSubheader>
@@ -0,0 +1,119 @@
+import React from 'react';
+
+import Dialog, {DialogProps} from '@material-ui/core/Dialog';
+
+
+interface DialogExProps extends DialogProps {
+    tag: string;
+}
+
+interface DialogExState {
+
+}
+
+class DialogEx extends React.Component<DialogExProps,DialogExState>  {
+    constructor(props: DialogExProps)
+    {
+        super(props);
+        this.state = {
+
+        };
+        this.handlePopState = this.handlePopState.bind(this);
+
+    }
+
+    mounted: boolean = false;
+
+    hasHooks: boolean = false;
+
+    stateWasPopped: boolean = false;
+    handlePopState(e: any): any {
+        this.stateWasPopped = true;
+        let shouldClose = (!e.state || !e.state[this.props.tag]);
+        if (shouldClose)
+        {
+            if (this.props.onClose)
+            {
+                this.props.onClose(e,"backdropClick");
+            }
+        }
+    }
+
+    updateHooks() : void {
+        let wantHooks = this.mounted && this.props.open;
+        if (wantHooks !== this.hasHooks)
+        {
+            this.hasHooks = wantHooks;
+
+            if (this.hasHooks)
+            {
+                this.stateWasPopped = false;
+                window.addEventListener("popstate",this.handlePopState);
+                // eslint-disable-next-line no-restricted-globals
+                let state = history.state;
+                if (!state)
+                {
+                    state = {};
+                }
+                state[this.props.tag] = true;
+
+                // eslint-disable-next-line no-restricted-globals
+                history.pushState(
+                    state,
+                    "",
+                    "#" + this.props.tag
+                );
+            } else {
+                window.removeEventListener("popstate",this.handlePopState);
+                if (!this.stateWasPopped)
+                {
+                    // eslint-disable-next-line no-restricted-globals
+                    history.back();
+                }
+            }
+
+        }
+    }
+    onWindowSizeChanged(width: number, height: number): void 
+    {
+        this.setState({fullScreen: height < 200})
+    }
+
+
+    componentDidMount()
+    {
+        if (super.componentDidMount)
+        {
+            super.componentDidMount();
+        }
+        this.mounted = true;
+        this.updateHooks();
+    }
+    componentWillUnmount()
+    {
+        if (super.componentWillUnmount)
+        {
+            super.componentWillUnmount();
+        }
+        this.mounted = false;
+        this.updateHooks();
+    }
+
+    componentDidUpdate()
+    {
+        this.updateHooks();
+    }
+
+
+    render() {
+        let { tag, ...extra} = this.props;
+        return (
+            <Dialog {...extra}>
+                {this.props.children}
+            </Dialog>
+        );
+    }
+
+};
+
+export default DialogEx;
@@ -187,7 +187,7 @@ export const MidiBindingDialog =
                this.updateHooks();
            }
            componentWillUnmount() {
-                super.componentDidMount();
+                super.componentWillUnmount();

                this.mounted = false;
                this.updateHooks();
@@ -0,0 +1,118 @@
+import React from 'react';
+import InputAdornment from '@material-ui/core/InputAdornment';
+import IconButton from '@material-ui/core/IconButton';
+import FormControl from '@material-ui/core/FormControl';
+import FormHelperText from '@material-ui/core/FormHelperText';
+import InputLabel from '@material-ui/core/InputLabel';
+import Input from '@material-ui/core/Input';
+
+import Visibility from '@material-ui/icons/Visibility';
+import VisibilityOff from '@material-ui/icons/VisibilityOff';
+
+
+
+interface NoChangePasswordProps {
+    hasPassword: boolean;
+    label: string;
+    defaultValue: string;
+    onPasswordChange: (text: string) => void;
+    disabled?: boolean;
+    helperText?: string;
+    error?: boolean;
+};
+
+interface NoChangePasswordState {
+    focused: boolean;
+    passwordText: string;
+    showPassword: boolean;
+};
+
+class NoChangePassword extends React.Component<NoChangePasswordProps, NoChangePasswordState> {
+    refText: React.Ref<HTMLInputElement | HTMLTextAreaElement>;
+
+    constructor(props: NoChangePasswordProps) {
+        super(props);
+        this.refText = React.createRef();
+        this.state = {
+            focused: false,
+            showPassword: false,
+            passwordText: this.props.defaultValue as string
+        };
+    }
+
+    handleShowPassword() {
+        this.setState({
+            showPassword: !this.state.showPassword
+        });
+    }
+    handleChange(e: React.ChangeEvent<HTMLInputElement | HTMLTextAreaElement>) {
+        this.textChanged = true;
+        this.props.onPasswordChange(e.target.value);
+    }
+
+    textChanged: boolean = false;
+    handleFocus(e: React.FocusEvent<HTMLInputElement | HTMLTextAreaElement>) {
+        console.log("onFocus");
+        if (!this.state.focused) {
+            this.textChanged = false;
+            e.target.value = this.state.passwordText;
+        }
+        e.currentTarget.removeAttribute("readonly");
+        this.setState({ focused: true });
+    }
+    handleBlur(e: React.FocusEvent<HTMLInputElement | HTMLTextAreaElement>) {
+        console.log("onBlur");
+        let text = e.target.value as string;
+        this.setState({ focused: false, passwordText: text });
+        this.props.onPasswordChange(e.target.value);
+        this.textChanged = false;
+        if (text.length === 0 && this.props.hasPassword)
+        {
+            e.target.value = "(Unchanged)";
+        }
+    }
+
+    render() {
+        console.log("Render  focus: " + this.state.focused)
+        let showUnchanged = (this.state.passwordText.length === 0) && this.props.hasPassword && (!this.state.focused);
+        let thisDefaultValue = showUnchanged ? "(Unchanged)" : this.props.defaultValue;
+
+        let isText = showUnchanged || this.state.showPassword;
+
+
+        return (
+            <FormControl disabled={this.props.disabled} fullWidth error={this.props.error} >
+                <InputLabel htmlFor="standard-adornment-password">{this.props.label}</InputLabel>
+                <Input
+                    fullWidth
+                    color="primary"
+                    spellCheck="false"
+                    autoComplete="off"
+                    readOnly
+                    id="standard-adornment-password"
+                    onChange={(e) => this.handleChange(e)}
+                    value={thisDefaultValue}
+                    onFocus={(e) => this.handleFocus(e)}
+                    onBlur={(e) => this.handleBlur(e)}
+                    type={isText ? 'text' : 'password'}
+                    style={ { color: showUnchanged?  '#888': '#000'} }
+                    
+                    endAdornment={
+                        <InputAdornment position="end">
+                            <IconButton
+                                aria-label="toggle password visibility"
+                                onClick={(e) => this.handleShowPassword()}
+                                onMouseDown={(e) => e.preventDefault()}
+                            >
+                                {this.state.showPassword ? <Visibility /> : <VisibilityOff />}
+                            </IconButton>
+                        </InputAdornment>
+                    }
+                />
+                 <FormHelperText >{ this.props.helperText}</FormHelperText>
+            </FormControl>
+        );
+    }
+};
+
+export default NoChangePassword;
@@ -117,7 +117,7 @@ const pedalBoardStyles = (theme: Theme) => createStyles({
        marginBottom: (CELL_HEIGHT - FRAME_SIZE) / 2,
        width: FRAME_SIZE,
        height: FRAME_SIZE,
-        border: "1pt black solid",
+        border: "1pt #666 solid",
        borderRadius: 6
    },
    pedalIcon: {
@@ -13,6 +13,8 @@ import JackHostStatus from './JackHostStatus';
 import JackServerSettings from './JackServerSettings';
 import MidiBinding from './MidiBinding';
 import PluginPreset from './PluginPreset';
+import WifiConfigSettings from './WifiConfigSettings';
+import WifiChannel from './WifiChannel';


 export enum State {
@@ -235,6 +237,7 @@ interface ControlChangedBody {

 export interface PiPedalModel {
    clientId: number;
+    countryCodes: Object;
    serverVersion?: PiPedalVersion;
    errorMessage: ObservableProperty<string>;
    alertMessage: ObservableProperty<string>;
@@ -245,6 +248,7 @@ export interface PiPedalModel {
    jackSettings: ObservableProperty<JackChannelSelection>;
    banks: ObservableProperty<BankIndex>;
    jackServerSettings: ObservableProperty<JackServerSettings>;
+    wifiConfigSettings: ObservableProperty<WifiConfigSettings>;

    presets: ObservableProperty<PresetIndex>;

@@ -320,13 +324,17 @@ export interface PiPedalModel {

    uploadPreset(file: File, uploadAfter: number): Promise<number>;

+    setWifiConfigSettings(wifiConfigSettings: WifiConfigSettings): Promise<void>;
+
+    getWifiChannels(countryIso3661: string): Promise<WifiChannel[]>;
+
 };

 class PiPedalModelImpl implements PiPedalModel {
    clientId: number = -1;

    serverVersion?: PiPedalVersion;
-
+    countryCodes: Object = {};
    socketServerUrl: string = "";
    varServerUrl: string = "";
    lv2Path: string = "";
@@ -346,6 +354,8 @@ class PiPedalModelImpl implements PiPedalModel {
    jackServerSettings: ObservableProperty<JackServerSettings>
        = new ObservableProperty<JackServerSettings>(new JackServerSettings());

+    wifiConfigSettings: ObservableProperty<WifiConfigSettings> = new ObservableProperty<WifiConfigSettings>(new WifiConfigSettings());
+

    presets: ObservableProperty<PresetIndex> = new ObservableProperty<PresetIndex>
        (
@@ -459,6 +469,9 @@ class PiPedalModelImpl implements PiPedalModel {
        } else if (message === "onJackServerSettingsChanged") {
            let jackServerSettings = new JackServerSettings().deserialize(body);
            this.jackServerSettings.set(jackServerSettings);
+        } else if (message === "onWifiConfigSettingsChanged") {
+            let wifiConfigSettings = new WifiConfigSettings().deserialize(body);
+            this.wifiConfigSettings.set(wifiConfigSettings);
        } else if (message === "onBanksChanged") {
            let banks = new BankIndex().deserialize(body);
            this.banks.set(banks);
@@ -537,6 +550,11 @@ class PiPedalModelImpl implements PiPedalModel {
            .then(data => {
                this.pedalBoard.set(new PedalBoard().deserialize(data));

+                return this.getWebSocket().request<any>("getWifiConfigSettings");
+            })
+            .then(data => {
+                this.wifiConfigSettings.set(new WifiConfigSettings().deserialize(data));
+
                return this.getWebSocket().request<any>("getJackServerSettings");
            })
            .then(data => {
@@ -573,7 +591,7 @@ class PiPedalModelImpl implements PiPedalModel {
            })
    }
    makeSocketServerUrl(hostName: string, port: number): string {
-        return "ws://" + hostName + ":" + port + "/piddle";
+        return "ws://" + hostName + ":" + port + "/pipedal";

    }
    makeVarServerUrl(protocol: string, hostName: string, port: number): string {
@@ -587,11 +605,12 @@ class PiPedalModelImpl implements PiPedalModel {
        const myRequest = new Request(this.varRequest('config.json'));
        return fetch(myRequest)
            .then(
-                response => response.json()
-
+                (response) => 
+                {
+                    return response.json();
+                }
            )
            .then(data => {
-                console.log("Got config");
                if (data.max_upload_size)
                {
                    this.maxUploadSize = data.max_upload_size;
@@ -617,6 +636,15 @@ class PiPedalModelImpl implements PiPedalModel {
                return this.webSocket.connect();
            })
            .then(() => {
+                const isoRequest = new Request('iso_codes.json');
+                return fetch(isoRequest);
+            })
+            .then((response) => {
+                return response.json();
+            })
+            .then((countryCodes) => {
+                this.countryCodes = countryCodes as Object;
+
                return this.getWebSocket().request<number>("hello");
            })
            .then((clientId) => {
@@ -652,6 +680,11 @@ class PiPedalModelImpl implements PiPedalModel {
                    })
                    .then((data) => {
                        this.presets.set(new PresetIndex().deserialize(data));
+                        return this.getWebSocket().request<any>("getWifiConfigSettings");
+                    })
+                    .then(data => {
+                        this.wifiConfigSettings.set(new WifiConfigSettings().deserialize(data));
+        
        
                        return this.getWebSocket().request<any>("getJackServerSettings");
                    })
@@ -1427,6 +1460,75 @@ class PiPedalModelImpl implements PiPedalModel {
        });
        return result;
    }
+    setWifiConfigSettings(wifiConfigSettings: WifiConfigSettings): Promise<void>
+    {
+        let result = new Promise<void>((resolve,reject) =>{
+            let oldSettings = this.wifiConfigSettings.get();
+            wifiConfigSettings = wifiConfigSettings.clone();
+
+            if ((!oldSettings.enable) && (!wifiConfigSettings.enable))
+            {
+                // no effective change.
+                resolve();
+                return;
+            }
+            let countryCodeChanged = wifiConfigSettings.countryCode !== oldSettings.countryCode;
+            if (!wifiConfigSettings.enable)
+            {
+                wifiConfigSettings.hasPassword = false;
+                wifiConfigSettings.hotspotName = oldSettings.hotspotName;
+            } else {
+                if (!wifiConfigSettings.hasPassword) {
+                    if (wifiConfigSettings.hotspotName === oldSettings.hotspotName && !countryCodeChanged) {
+                        // no effective change.
+                        resolve();
+                        return;
+                    }
+                }
+            }
+            // save a  version for the server (potentially carrying a password)
+            let serverConfigSettings = wifiConfigSettings.clone();
+
+            
+
+            // notify the server.
+            let ws = this.webSocket;
+            if (!ws)
+            {
+                reject("Not connected.");
+                return;
+            }
+            ws.request<void>(
+                "setWifiConfigSettings",
+                serverConfigSettings
+            )
+            .then(()=> {
+                resolve();
+            })
+            .catch((err) =>{
+                reject(err);
+            });
+
+        });
+        return result;
+    }
+
+    getWifiChannels(countryIso3661: string): Promise<WifiChannel[]>
+    {
+        let result = new Promise<WifiChannel[]>((resolve,reject) => {
+            if (!this.webSocket) {
+                reject("Connection closed.");
+                return;
+            }
+            this.webSocket.request<WifiChannel[]>("getWifiChannels",countryIso3661)
+            .then((data) => {
+                resolve(WifiChannel.deserialize_array(data));
+            })
+            .catch((err)=> reject(err));
+        });
+        return result;
+    }
+

 };

@@ -100,12 +100,12 @@ const styles = (theme: Theme) => createStyles({
        marginRight: 8,
        marginBottom: 12,
        position: "relative",
-        paddingLeft: 0,
+        paddingLeft: 3,
        paddingRight: 0,
        paddingTop: 0,
        paddingBottom: 0,
        border: "2pt #AAA solid",
-        borderRadius: 10,
+        borderRadius: 4,
        elevation: 12,
        display: "flex",
        flexDirection: "row", flexWrap: "wrap",
@@ -95,7 +95,7 @@ export default class RenameDialog extends ResizeResponsiveComponent<RenameDialog
    }
    componentWillUnmount()
    {
-        super.componentDidMount();
+        super.componentWillUnmount();
        this.mounted = false;
        this.updateHooks();
    }
@@ -5,7 +5,6 @@ import { PiPedalModel, PiPedalModelFactory } from './PiPedalModel';
 import ButtonBase from "@material-ui/core/ButtonBase";
 import { TransitionProps } from '@material-ui/core/transitions/transition';
 import Slide from '@material-ui/core/Slide';
-import Dialog from '@material-ui/core/Dialog';
 import AppBar from '@material-ui/core/AppBar';
 import Toolbar from '@material-ui/core/Toolbar';
 import { Theme, withStyles, WithStyles, createStyles } from '@material-ui/core/styles';
@@ -18,6 +17,9 @@ import SelectHoverBackground from './SelectHoverBackground';
 import JackServerSettings from './JackServerSettings';
 import JackServerSettingsDialog from './JackServerSettingsDialog';
 import JackHostStatus from './JackHostStatus';
+import WifiConfigSettings from './WifiConfigSettings';
+import WifiConfigDialog from './WifiConfigDialog';
+import DialogEx from './DialogEx'



@@ -34,6 +36,9 @@ interface SettingsDialogState {
    jackServerSettings: JackServerSettings;
    jackStatus?: JackHostStatus;

+    wifiConfigSettings: WifiConfigSettings;
+
+    showWifiConfigDialog: boolean;
    showInputSelectDialog: boolean;
    showOutputSelectDialog: boolean;
    showMidiSelectDialog: boolean;
@@ -120,6 +125,8 @@ const SettingsDialog = withStyles(styles, { withTheme: true })(
                jackConfiguration: this.model.jackConfiguration.get(),
                jackStatus: undefined,
                jackSettings: this.model.jackSettings.get(),
+                wifiConfigSettings: this.model.wifiConfigSettings.get(),
+                showWifiConfigDialog: false,
                showInputSelectDialog: false,
                showOutputSelectDialog: false,
                showMidiSelectDialog: false,
@@ -132,10 +139,28 @@ const SettingsDialog = withStyles(styles, { withTheme: true })(
            this.handleJackConfigurationChanged = this.handleJackConfigurationChanged.bind(this);
            this.handleJackSettingsChanged = this.handleJackSettingsChanged.bind(this);
            this.handleJackServerSettingsChanged = this.handleJackServerSettingsChanged.bind(this);
+            this.handleWifiConfigSettingsChanged = this.handleWifiConfigSettingsChanged.bind(this);

        }

+        handleApplyWifiConfig(wifiConfigSettings: WifiConfigSettings): void {
+            this.setState({showWifiConfigDialog: false});
+            this.model.setWifiConfigSettings(wifiConfigSettings)
+            .then(() => {

+            })
+            .catch((err) => {
+                this.model.showAlert(err);
+            });
+        }
+
+        handleWifiConfigSettingsChanged(): void {
+            this.setState(
+                {
+                    wifiConfigSettings: this.model.wifiConfigSettings.get()
+                }
+            )
+        }
        handleJackSettingsChanged(): void {
            this.setState({
                jackSettings: this.model.jackSettings.get()
@@ -177,6 +202,7 @@ const SettingsDialog = withStyles(styles, { withTheme: true })(
                    this.model.jackSettings.addOnChangedHandler(this.handleJackSettingsChanged);
                    this.model.jackConfiguration.addOnChangedHandler(this.handleJackConfigurationChanged);
                    this.model.jackServerSettings.addOnChangedHandler(this.handleJackServerSettingsChanged);
+                    this.model.wifiConfigSettings.addOnChangedHandler(this.handleWifiConfigSettingsChanged);
                    this.model.getJackStatus()
                        .then((jackStatus) =>
                            this.setState(
@@ -193,7 +219,8 @@ const SettingsDialog = withStyles(styles, { withTheme: true })(
                    this.handleJackConfigurationChanged();
                    this.handleJackSettingsChanged();
                    this.handleJackServerSettingsChanged();
-                    this.timerHandle = setInterval(() => this.tick(), 1000);
+                    this.handleWifiConfigSettingsChanged();
+                    // xxx UNCOMMENT ME!  this.timerHandle = setInterval(() => this.tick(), 1000);
                } else {
                    if (this.timerHandle) {
                        clearInterval(this.timerHandle);
@@ -201,6 +228,8 @@ const SettingsDialog = withStyles(styles, { withTheme: true })(
                    this.model.jackConfiguration.removeOnChangedHandler(this.handleJackConfigurationChanged);
                    this.model.jackSettings.removeOnChangedHandler(this.handleJackSettingsChanged);
                    this.model.jackServerSettings.removeOnChangedHandler(this.handleJackServerSettingsChanged);
+                    this.model.wifiConfigSettings.removeOnChangedHandler(this.handleWifiConfigSettingsChanged);
+
                }
            }

@@ -292,25 +321,33 @@ const SettingsDialog = withStyles(styles, { withTheme: true })(
            if (ports.length === 1) return ports[0];
            return ports.length + " channels";
        }
-
+        handleShowWifiConfigDialog() {
+            this.setState({
+                showWifiConfigDialog: true
+            });
+        }
        handleRestart() {
+            this.setState({ restarting: true });
            this.model.restart()
                .then(() => {
-                    this.setState({ restarting: true });
+                    // this.setState({ restarting: true });
                })
                .catch((error) => {
                    this.model.showAlert(error);
+                    this.setState({ restarting: false });
                });

        }

        handleShutdown() {
+            this.setState({ shuttingDown: true });
            this.model.shutdown()
                .then(() => {
                    this.setState({ shuttingDown: true });
                })
                .catch((error) => {
                    this.model.showAlert(error);
+                    this.setState({ shuttingDown: false });
                });

        }
@@ -322,7 +359,7 @@ const SettingsDialog = withStyles(styles, { withTheme: true })(
            let disableShutdown = this.state.shuttingDown || this.state.restarting;

            return (
-                <Dialog fullScreen open={this.props.open}
+                <DialogEx tag="SettingsDialog" fullScreen open={this.props.open}
                    onClose={() => { this.props.onClose() }} TransitionComponent={Transition}>

                    <div style={{ display: "flex", flexDirection: "column", flexWrap: "nowrap", width: "100%", height: "100%", overflow: "hidden" }}>
@@ -428,6 +465,18 @@ const SettingsDialog = withStyles(styles, { withTheme: true })(
                            <Divider />
                            <div >
                                <Typography className={classes.sectionHead} display="block" variant="caption" color="secondary">SYSTEM</Typography>
+                                <ButtonBase className={classes.setting} disabled={!this.state.wifiConfigSettings.valid}
+                                    onClick={() => this.handleShowWifiConfigDialog()}  >
+                                    <SelectHoverBackground selected={false} showHover={true} />
+                                    <div style={{ width: "100%" }}>
+                                        <Typography className={classes.primaryItem} display="block" variant="body2" color="textPrimary" noWrap>
+                                            Configure Wi-fi Hotspot</Typography>
+                                        <Typography display="block" variant="caption" noWrap color="textSecondary">
+                                            {this.state.wifiConfigSettings.getSummaryText()}
+                                        </Typography>
+
+                                    </div>
+                                </ButtonBase>
                                <ButtonBase className={classes.setting} disabled={!isConfigValid || disableShutdown}
                                    onClick={() => this.handleRestart()}  >
                                    <SelectHoverBackground selected={false} showHover={true} />
@@ -483,8 +532,12 @@ const SettingsDialog = withStyles(styles, { withTheme: true })(

                        )
                    }
+                    <WifiConfigDialog wifiConfigSettings={this.state.wifiConfigSettings} open={this.state.showWifiConfigDialog}
+                        onClose={()=> this.setState({showWifiConfigDialog: false})}
+                        onOk={(wifiConfigSettings) => this.handleApplyWifiConfig(wifiConfigSettings)}
+                        />

-                </Dialog >
+                </DialogEx >

            );

@@ -93,7 +93,7 @@ export default class UploadDialog extends ResizeResponsiveComponent<UploadDialog
        this.updateHooks();
    }
    componentWillUnmount() {
-        super.componentDidMount();
+        super.componentWillUnmount();
        this.mounted = false;
        this.updateHooks();
    }
@@ -0,0 +1,20 @@
+
+
+export default class WifiChannel {
+    deserialize(input: any): WifiChannel {
+        this.channelId = input.channelId;
+        this.channelName = input.channelName;
+        return this;
+    }
+    static deserialize_array(input: any): WifiChannel[]
+    {
+        let result: WifiChannel[] = [];
+        for (let i = 0; i < input.length; ++i)
+        {
+            result.push(new WifiChannel().deserialize(input[i]));
+        }
+        return result;
+    }
+    channelId: string = "";
+    channelName: string = "";
+};
@@ -0,0 +1,374 @@
+import React from 'react';
+import Button from '@material-ui/core/Button';
+import TextField from '@material-ui/core/TextField';
+import Dialog from '@material-ui/core/Dialog';
+import DialogActions from '@material-ui/core/DialogActions';
+import DialogContent from '@material-ui/core/DialogContent';
+import DialogTitle from '@material-ui/core/DialogTitle';
+import Switch from '@material-ui/core/Switch';
+import FormControlLabel from '@material-ui/core/FormControlLabel';
+import ResizeResponsiveComponent from './ResizeResponsiveComponent';
+import WifiConfigSettings from './WifiConfigSettings';
+import NoChangePassword from './NoChangePassword';
+import DialogEx from './DialogEx'
+import Typography from '@material-ui/core/Typography';
+import { Theme, withStyles, WithStyles,createStyles } from '@material-ui/core/styles';
+import Select from '@material-ui/core/Select';
+import FormControl from '@material-ui/core/FormControl';
+import InputLabel from '@material-ui/core/InputLabel';
+import MenuItem from '@material-ui/core/MenuItem';
+import WifiChannel from './WifiChannel';
+import {PiPedalModel, PiPedalModelFactory} from './PiPedalModel';
+
+const styles = (theme: Theme) => createStyles({
+    pgraph: {
+        paddingBottom: 16
+    }
+});
+
+const NBSP = "\u00A0";
+
+export interface WifiConfigProps extends WithStyles<typeof styles> {
+    open: boolean,
+    wifiConfigSettings: WifiConfigSettings,
+    onOk: (wifiConfigSettings: WifiConfigSettings) => void,
+    onClose: () => void
+};
+
+export interface WifiConfigState {
+    fullScreen: boolean;
+    showWifiWarningDialog: boolean;
+    wifiWarningGiven: boolean;
+    enabled: boolean;
+    name: string;
+    newPassword: string;
+    nameError: boolean;
+    nameErrorMessage: string;
+    passwordError: boolean;
+    passwordErrorMessage: string;
+    countryCode: string;
+    channel: string;
+    wifiChannels: WifiChannel[];
+};
+
+
+let validNameRegex = /^[a-zA-Z][a-zA-Z0-9_-]*$/
+function isValidName(text: string)
+{
+    return validNameRegex.test(text);
+}
+
+const WifiConfigDialog = withStyles(styles, { withTheme: true })( 
+    class extends ResizeResponsiveComponent<WifiConfigProps, WifiConfigState> {
+
+    refName: React.RefObject<HTMLInputElement>;
+    refPassword: React.RefObject<HTMLInputElement>;
+    model: PiPedalModel;
+
+    constructor(props: WifiConfigProps) {
+        super(props);
+        this.model = PiPedalModelFactory.getInstance();
+        this.state = {
+            fullScreen: false,
+            enabled: this.props.wifiConfigSettings.enable,
+            name: this.props.wifiConfigSettings.hotspotName,
+            newPassword: "",
+            nameError: false,
+            nameErrorMessage: NBSP,
+            passwordError: false,
+            showWifiWarningDialog: false,
+            wifiWarningGiven: this.props.wifiConfigSettings.wifiWarningGiven,
+            passwordErrorMessage: NBSP,
+            countryCode: this.props.wifiConfigSettings.countryCode,
+            channel: this.props.wifiConfigSettings.channel,
+            wifiChannels: []
+        };
+        this.model.getWifiChannels(this.props.wifiConfigSettings.countryCode)
+        .then((wifiChannels_) => {
+            this.setState({wifiChannels: wifiChannels_});
+        }).catch((err)=> {});
+
+        this.refName = React.createRef<HTMLInputElement>();
+        this.refPassword = React.createRef<HTMLInputElement>();
+        this.handlePopState = this.handlePopState.bind(this);
+    }
+    mounted: boolean = false;
+
+    hasHooks: boolean = false;
+
+    stateWasPopped: boolean = false;
+
+    handleEnableChanged(e: any) {
+        this.setState({ enabled: e.target.checked });
+    }
+    handlePopState(e: any): any {
+        this.stateWasPopped = true;
+        let shouldClose = (!e.state || !e.state.WifiConfig);
+        if (shouldClose) {
+            this.props.onClose();
+        }
+    }
+
+    
+    updateHooks(): void {
+        let wantHooks = this.mounted && this.props.open;
+        if (wantHooks !== this.hasHooks) {
+            this.hasHooks = wantHooks;
+
+            if (this.hasHooks) {
+                this.stateWasPopped = false;
+                window.addEventListener("popstate", this.handlePopState);
+                // eslint-disable-next-line no-restricted-globals
+                let state = history.state;
+                if (!state) {
+                    state = {};
+                }
+                state.WifiConfig = true;
+
+                // eslint-disable-next-line no-restricted-globals
+                history.pushState(
+                    state,
+                    "Wi-Fi Configuration",
+                    "#WifiConfig"
+                );
+            } else {
+                window.removeEventListener("popstate", this.handlePopState);
+                if (!this.stateWasPopped) {
+                    // eslint-disable-next-line no-restricted-globals
+                    history.back();
+                }
+            }
+
+        }
+    }
+    onWindowSizeChanged(width: number, height: number): void {
+        this.setState({ fullScreen: height < 200 })
+    }
+
+
+    componentDidMount() {
+        super.componentDidMount();
+        this.mounted = true;
+        this.updateHooks();
+    }
+    componentWillUnmount() {
+        super.componentWillUnmount();
+        this.mounted = false;
+        this.updateHooks();
+    }
+
+    componentDidUpdate(prevProps: WifiConfigProps) {
+        this.updateHooks();
+
+        if (this.props.open && !prevProps.open)
+        {
+            this.setState({
+                enabled: this.props.wifiConfigSettings.enable,
+                name: this.props.wifiConfigSettings.hotspotName,
+                newPassword: "",
+                wifiWarningGiven: this.props.wifiConfigSettings.wifiWarningGiven,
+                countryCode: this.props.wifiConfigSettings.countryCode,
+                channel: this.props.wifiConfigSettings.channel
+            });
+
+            if (this.props.wifiConfigSettings.countryCode !== this.state.countryCode)
+            {
+                this.model.getWifiChannels(this.props.wifiConfigSettings.countryCode)
+                .then((wifiChannels) => {
+                    this.setState({wifiChannels: wifiChannels});
+                })
+                .catch((error) => {});
+
+            }
+    
+        }
+
+    }
+
+    handleOk(wifiWarningGiven: boolean) {
+        let hasError = false;
+        if (this.state.enabled)
+        {
+            let name = this.state.name;
+            if (name.length === 0) {
+                this.setState({nameError: true, nameErrorMessage: "* Required"});
+                hasError = true;
+            } else {
+                if (!isValidName(name))
+                {
+                    this.setState({nameError: true, nameErrorMessage: "Invalid name"});
+                    hasError = true;
+                } else if (name.length > 15) 
+                {
+                    this.setState({nameError: true, nameErrorMessage: "> 15 characters"});
+                    hasError = true;
+                }
+            }
+        }
+        if (this.state.enabled && (!this.props.wifiConfigSettings.hasPassword) && this.state.newPassword.length === 0)
+        {
+            this.setState({passwordError: true, passwordErrorMessage: "* Required"});
+            hasError = true;
+        }
+        if (!hasError)
+        {
+            let wifiConfigSettings = new WifiConfigSettings();
+            wifiConfigSettings.valid = true;
+
+            wifiConfigSettings.enable = this.state.enabled;
+            wifiConfigSettings.hotspotName = this.state.name;
+            if (this.state.newPassword.length === 0 || !this.state.enabled)
+            {
+                wifiConfigSettings.hasPassword = false;
+            } else {
+                wifiConfigSettings.hasPassword = true;
+                wifiConfigSettings.password = this.state.newPassword;
+            }
+            
+            if (!this.props.wifiConfigSettings.wifiWarningGiven && !wifiWarningGiven) {
+                this.setState({showWifiWarningDialog: true});
+            } else {
+                wifiConfigSettings.wifiWarningGiven = true;
+                this.props.onOk(wifiConfigSettings);
+            }
+        }
+    
+    }
+    handleChannelChange(e: any)
+    {
+        let value = e.target.value as string;
+        this.setState({channel: value });
+    }
+    handleCountryChanged(e: any)
+    {
+        let value = e.target.value as string;
+
+        this.setState({countryCode: value});
+        this.model.getWifiChannels(value)
+        .then(wifiChannels => {
+            this.setState({wifiChannels: wifiChannels});
+        })
+        .catch((error)=> { });
+    }
+
+    render() {
+        let props = this.props;
+        let classes = this.props.classes;
+        let { open, onClose} = props;
+
+        const handleClose = () => {
+            onClose();
+        };
+
+        return (
+            <Dialog open={open} fullWidth onClose={handleClose} style={{}}
+                fullScreen={this.state.fullScreen}
+            >
+                { this.state.fullScreen && (
+                    <DialogTitle>Wi-fi Hotspot</DialogTitle>
+                )}
+                <DialogContent>
+
+                    <FormControlLabel
+                        control={(
+                            <Switch
+                                checked={this.state.enabled}
+                                onChange={(e: any) => this.handleEnableChanged(e)}
+                                color="secondary"
+                            />
+                        )}
+                        label="Enable"
+                    />
+                    <TextField style={{ marginBottom: 16, marginTop: 16 }}
+
+                        autoComplete="off"
+                        id="name"
+                        spellCheck="false"
+                        label="SSID"
+                        type="text"
+                        fullWidth
+                        error={this.state.nameError}
+                        helperText={this.state.nameErrorMessage}
+                        value={this.state.name}
+                        onChange={(e) => this.setState({name: e.target.value, nameError: false, nameErrorMessage: NBSP})}
+                        inputRef={this.refName}
+                        disabled={!this.state.enabled}
+                    />
+                    <div style={{ marginBottom: 16 }}>
+                        <NoChangePassword 
+                            onPasswordChange={(text): void => { this.setState({ newPassword: text, passwordError: false, passwordErrorMessage: NBSP }); }}
+                            hasPassword={this.props.wifiConfigSettings.hasPassword}
+                            label="WEP Passphrase"
+                            error={this.state.passwordError}
+                            helperText={this.state.passwordErrorMessage}
+                            defaultValue={this.state.newPassword}
+                            disabled={!this.state.enabled}
+                        />
+                    </div>
+                    <div style={{ marginBottom: 16}}>
+                        <FormControl>
+                            <InputLabel htmlFor="countryCodeSelect">Country</InputLabel>
+                            <Select id="countryCodeSelect" value={this.state.countryCode} style={{width: 220}} 
+                                onChange={(event)=>this.handleCountryChanged(event)} >
+                                {Object.entries(this.model.countryCodes).map(([key,value])=> {
+                                    return (
+                                        <MenuItem value={key}>{value}</MenuItem>
+                                    );
+                                })}
+                            </Select>
+                        </FormControl>
+
+                    </div>
+                    <div style={{ marginBottom: 24}}>
+                        <FormControl>
+                            <InputLabel htmlFor="channelSelect">Channel</InputLabel>
+                            <Select id="channelSelect" value={this.state.channel} style={{width: 220}} onChange={(e)=>{
+                                this.handleChannelChange(e);
+                            }}>
+                                {this.state.wifiChannels.map((channel)=> {
+                                    return (
+                                        <MenuItem value={channel.channelId}>{channel.channelName}</MenuItem>
+                                    )
+                                })}
+                            </Select>
+                        </FormControl>
+
+                    </div>
+
+                </DialogContent>
+                <DialogActions>
+                    <Button onClick={handleClose} color="primary" style={{ width: 120 }}>
+                        Cancel
+                    </Button>
+                    <Button onClick={()=> this.handleOk(false)} color="secondary" style={{ width: 120 }} >
+                        OK
+                    </Button>
+                </DialogActions>
+                <DialogEx open={this.state.showWifiWarningDialog} tag="wifiConfirm" >
+                    <DialogContent>
+                        <Typography className={classes.pgraph} variant="body2" color="textPrimary">
+                            Enabling the Wi-Fi hotspot will disable regular Wi-Fi network access on the PiPedal device. Once 
+                            enabled, connect to the hotspot and launch http://172.24.1.1 or http://{this.state.name}.local to access the PiPedal web app again.
+                        </Typography>
+                        <Typography className={classes.pgraph} variant="body2" color="textPrimary" gutterBottom>
+                            Are you sure you want to proceed?
+                        </Typography>
+                    </DialogContent>
+                    <DialogActions>
+                        <Button onClick={()=> this.setState({showWifiWarningDialog: false})} color="primary" style={{ width: 120 }}>
+                            Cancel
+                        </Button>
+                        <Button onClick={()=> {
+                            this.setState({showWifiWarningDialog: false});
+                            this.handleOk(true);
+                        }} color="secondary" style={{ width: 120 }} >
+                            PROCEED
+                        </Button>
+                    </DialogActions>
+                </DialogEx>
+            </Dialog>
+        );
+    }
+});
+
+export default WifiConfigDialog;
@@ -0,0 +1,45 @@
+
+
+export default class WifiConfigSettings {
+    deserialize(input: any) : WifiConfigSettings{
+        this.valid = input.valid;
+        this.wifiWarningGiven = input.wifiWarningGiven;
+        this.rebootRequired = input.rebootRequired;
+        this.enable = input.enable;
+        this.hotspotName = input.hotspotName;
+        this.hasPassword = input.hasPassword;
+        this.password = input.password;
+        this.countryCode = input.countryCode;
+        this.channel = input.channel;
+        return this;
+    }
+    clone() : WifiConfigSettings {
+        return this.deserialize(this);
+    }
+    valid: boolean =  true;
+    wifiWarningGiven: boolean = false;
+    enable: boolean = true;
+    hasPassword: boolean = false;
+    rebootRequired = false;
+    hotspotName: string = "pipedal";
+    password: string = "";
+    countryCode: string = "US";
+    channel: string = "g6";
+
+    getSummaryText() {
+        let result: string;
+        if (!this.valid) {
+            result =  "Not available.";
+        } else if (!this.enable) {
+            result = "Disabled.";
+        } else {
+            result = this.hotspotName;
+        }
+        if (this.rebootRequired)
+        {
+            result += " (Restart required)";
+        }
+        return result;
+    }
+
+}
@@ -0,0 +1,36 @@
+import React from 'react';
+import { Theme, withStyles, WithStyles,createStyles } from '@material-ui/core/styles';
+
+
+const styles = (theme: Theme) => createStyles({
+});
+
+
+interface XxxProps extends WithStyles<typeof styles> {
+    theme: Theme,
+};
+
+interface XxxState {
+
+};
+
+const Xxx = withStyles(styles, { withTheme: true })(
+
+    class extends React.Component<XxxProps, XxxState> {
+        constructor(props: XxxProps)
+        {
+            super(props);
+            this.state = {
+
+            };
+        }
+
+        render() {
+            return (
+                <div/>
+            );
+        }
+    }
+);
+
+export default Xxx;
@@ -458,6 +458,9 @@ public:
    {
        this->ws_.close(websocket::close_reason());
    }
+    virtual std::string getFromAddress() const {
+        return this->fromAddress;
+    }
    virtual void writeCallback(const std::string &text)
    {
        {
@@ -28,6 +28,7 @@ public:
        virtual void close() = 0;

        virtual void writeCallback(const std::string& text) = 0;
+        virtual std::string getFromAddress() const = 0;
    };

 private:
@@ -43,6 +44,7 @@ private:
 protected:
    virtual void onReceive(const std::string_view&text) = 0;
 public:
+    std::string getFromAddress() const { return writeCallback_->getFromAddress(); }
    void receive(const std::string_view&text) {
        onReceive(text);
    }
@@ -4,13 +4,27 @@ cmake_minimum_required(VERSION 3.19.0)

 include(FindPkgConfig)

+# Can't get the pkg_check to work.
+# pkg_check_modules(LIBNL3 "nl-genl-3")
+# if(!LIBNL3_FOUND)
+#   message(ERROR "libnl-genl-3-dev package not installed.")
+# else()
+#   message(STATUS "LIBNL3 libraries: ${LIBNL3_LIBRARIES}")
+#   message(STATUS "LBNL3 includes: ${LIBNL3_INCLUDE_DIRS}")
+# endif()
+
+# nlgenl-3 library.
+execute_process(COMMAND ls /usr/include/libnl3/netlink/netlink.h RESULT_VARIABLE LNL3_MISSING OUTPUT_QUIET ERROR_QUIET)
+if(LNL3_MISSING)
+    message(ERROR " Need to: sudo apt get libnl-3-dev libnl-genl-3-dev ")
+endif()
+set(LIBNL3_INCLUDE_DIRS /usr/include/libnl3)
+set(LIBNL3_LIBRARIES nl-3 nl-genl-3)
+

 pkg_check_modules(SYSTEMD "systemd")
 if(!SYSTEMD_FOUND)
  message(ERROR "libsystemd-dev package not installed.")
-else()
-  message(STATUS "SYSTEMD_LIBRARIES: ${SYSTEMD_LIBRARIES}")
-  message(STATUS "SYSTEMD_INCLUDE_DIRS: ${SYSTEMD_INCLUDE_DIRS}")
 endif()


@@ -55,8 +69,10 @@ message (STATUS "Cxx flags: ${CMAKE_CXX_FLAGS}"  )

 add_definitions(-DBOOST_ERROR_CODE_HEADER_ONLY)

-add_executable(pipedald BeastServer.cpp BeastServer.hpp HtmlHelper.cpp HtmlHelper.hpp pch.h Uri.cpp Uri.hpp
-    RequestHandler.hpp main.cpp json.cpp json.hpp Scratch.cpp Lv2Host.hpp Lv2Host.cpp
+set (PIPEDAL_SOURCES
+    BeastServer.cpp BeastServer.hpp HtmlHelper.cpp HtmlHelper.hpp pch.h Uri.cpp Uri.hpp
+    WifiConfigSettings.hpp WifiConfigSettings.cpp
+    RequestHandler.hpp json.cpp json.hpp Scratch.cpp Lv2Host.hpp Lv2Host.cpp
    PluginType.hpp PluginType.cpp
    Lv2Log.hpp Lv2Log.cpp
    PiPedalSocket.hpp PiPedalSocket.cpp
@@ -93,22 +109,51 @@ add_executable(pipedald BeastServer.cpp BeastServer.hpp HtmlHelper.cpp HtmlHelpe
    Locale.hpp Locale.cpp
    Lv2EventBufferWriter.hpp Lv2EventBufferWriter.cpp
    IpSubnet.hpp
+    WifiChannels.hpp
+    WifiChannels.cpp
+    RegDb.cpp RegDb.hpp
 )

 configure_file(config.hpp.in config.hpp)
+
+#################################
+add_executable(pipedald ${PIPEDAL_SOURCES} main.cpp 
+    )
+
 include_directories( ${PiPedal_SOURCE_DIR}/. ../build/src) 

 target_precompile_headers(pipedald PRIVATE pch.h)


 target_include_directories(pipedald PRIVATE
-   ${JACK_INCLUDE_DIRS} ${LILV_0_INCLUDE_DIRS} ${SYSTEMD_INCLUDE_DIRS}
+   ${JACK_INCLUDE_DIRS} ${LILV_0_INCLUDE_DIRS}  ${LIBNL3_INCLUDE_DIRS}
    )

 target_link_libraries(pipedald PRIVATE pthread atomic stdc++fs
-    ${LILV_0_LIBRARIES} ${JACK_LIBRARIES} ${SYSTEMD_LIBRARIES} systemd
+    ${LILV_0_LIBRARIES} ${JACK_LIBRARIES} ${LIBNL3_LIBRARIES} systemd
    )
-#target_link_libraries(pipedald boost_system)
+
+#################################
+add_executable(pipedaltest ${PIPEDAL_SOURCES} testMain.cpp
+    jsonTest.cpp
+    WifiChannelsTest.cpp
+    )
+
+configure_file(config.hpp.in config.hpp)
+include_directories( ${PiPedal_SOURCE_DIR}/. ../build/src) 
+
+target_precompile_headers(pipedaltest PRIVATE pch.h)
+
+
+target_include_directories(pipedaltest PRIVATE
+   ${JACK_INCLUDE_DIRS} ${LILV_0_INCLUDE_DIRS}  ${LIBNL3_INCLUDE_DIRS}
+    )
+
+target_link_libraries(pipedaltest PRIVATE pthread atomic stdc++fs
+    ${LILV_0_LIBRARIES} ${JACK_LIBRARIES} ${LIBNL3_LIBRARIES} systemd
+    )
+
+#################################


 add_executable(pipedalconfig json.cpp json.hpp 
@@ -95,7 +95,6 @@ void PiPedalModel::Load(const PiPedalConfiguration &configuration)

    this->jackHost->SetNotificationCallbacks(this);

-
    if (configuration.GetMLock())
    {
 #ifndef NO_MLOCK
@@ -126,10 +125,8 @@ void PiPedalModel::Load(const PiPedalConfiguration &configuration)
        catch (PiPedalException &e)
        {
            Lv2Log::error("Failed to load initial plugin. (%s)", e.what());
-            
        }
    }
-
 }

 IPiPedalModelSubscriber *PiPedalModel::GetNotificationSubscriber(int64_t clientId)
@@ -278,7 +275,6 @@ void PiPedalModel::setPedalBoard(int64_t clientId, PedalBoard &pedalBoard)
    }
 }

-
 void PiPedalModel::setPedalBoardItemEnable(int64_t clientId, int64_t pedalItemId, bool enabled)
 {
    std::lock_guard(this->mutex);
@@ -318,7 +314,6 @@ PedalBoard PiPedalModel::getPreset(int64_t instanceId)
    return this->storage.GetPreset(instanceId);
 }

-
 void PiPedalModel::setPresetChanged(int64_t clientId, bool value)
 {
    if (value != this->hasPresetChanged)
@@ -376,7 +371,6 @@ int64_t PiPedalModel::uploadPreset(const BankFile&bankFile,int64_t uploadAfter)
    int64_t newPreset = this->storage.UploadPreset(bankFile, uploadAfter);
    firePresetsChanged(-1);
    return newPreset;
-
 }

 void PiPedalModel::loadPreset(int64_t clientId, int64_t instanceId)
@@ -462,6 +456,35 @@ bool PiPedalModel::renamePreset(int64_t clientId, int64_t instanceId, const std:
    }
 }

+void PiPedalModel::setWifiConfigSettings(const WifiConfigSettings &wifiConfigSettings)
+{
+    std::lock_guard lock(this->mutex);
+    // xxx Commit to local!
+    this->storage.SetWifiConfigSettings(wifiConfigSettings);
+
+    {
+        IPiPedalModelSubscriber **t = new IPiPedalModelSubscriber *[this->subscribers.size()];
+        for (size_t i = 0; i < subscribers.size(); ++i)
+        {
+            t[i] = this->subscribers[i];
+        }
+        size_t n = this->subscribers.size();
+
+        WifiConfigSettings tWifiConfigSettings = storage.GetWifiConfigSettings(); // (the passwordless version)
+
+        for (size_t i = 0; i < n; ++i)
+        {
+            t[i]->OnWifiConfigSettingsChanged(tWifiConfigSettings);
+        }
+        delete[] t;
+    }
+}
+WifiConfigSettings PiPedalModel::getWifiConfigSettings()
+{
+    std::lock_guard lock(this->mutex);
+    return this->storage.GetWifiConfigSettings();
+}
+
 JackConfiguration PiPedalModel::getJackConfiguration()
 {
    std::lock_guard lock(this->mutex); // copy atomically.
@@ -983,4 +1006,3 @@ void PiPedalModel::cancelListenForMidiEvent(int64_t clientId, int64_t clientHand
        jackHost->SetListenForMidiEvent(false);
    }
 }
-
@@ -12,6 +12,7 @@
 #include "Banks.hpp"
 #include "PiPedalConfiguration.hpp"
 #include "JackServerSettings.hpp"
+#include "WifiConfigSettings.hpp"


 namespace pipedal {
@@ -34,6 +35,7 @@ public:
    virtual void OnLoadPluginPreset(int64_t instanceId,const std::vector<ControlValue>&controlValues) = 0;
    virtual void OnMidiValueChanged(int64_t instanceId, const std::string&symbol, float value) = 0;
    virtual void OnNotifyMidiListener(int64_t clientHandle, bool isNote, uint8_t noteOrControl) = 0;
+    virtual void OnWifiConfigSettingsChanged(const WifiConfigSettings&wifiConfigSettings) = 0;
    virtual void Close() = 0;
 };

@@ -145,6 +147,10 @@ public:
    void setJackChannelSelection(int64_t clientId,const JackChannelSelection &channelSelection);
    JackChannelSelection getJackChannelSelection();

+    void setWifiConfigSettings(const WifiConfigSettings&wifiConfigSettings);
+    WifiConfigSettings getWifiConfigSettings();
+
+

    int64_t addVuSubscription(int64_t instanceId);
    void removeVuSubscription(int64_t subscriptionHandle);
@@ -11,6 +11,8 @@
 #include <atomic>

 #include "ShutdownClient.hpp"
+#include "WifiConfigSettings.hpp"
+#include "WifiChannels.hpp"

 using namespace std;
 using namespace pipedal;
@@ -667,6 +669,12 @@ public:
        {
            JackHostStatus status = model.getJackStatus();
            this->Reply(replyTo,"getJackStatus",status);
+        } else if (message == "getWifiChannels")
+        {
+            std::string country;
+            pReader->read(&country);
+            std::vector<WifiChannel> channels = pipedal::getWifiChannels(country.c_str());
+            this->Reply(replyTo,"getWifiChannels",channels);
        }
        else if (message == "getPluginPresets")
        {
@@ -688,6 +696,28 @@ public:
            this->Reply(replyTo,"setJackserverSettings");

        }
+        else if (message == "setWifiConfigSettings") {
+            WifiConfigSettings wifiConfigSettings;
+            pReader->read(&wifiConfigSettings);
+            if (!ShutdownClient::CanUseShutdownClient())
+            {
+                throw PiPedalException("Can't change server settings when running interactively.");
+            }
+            std::string fromAddress = this->getFromAddress();
+            if (!ShutdownClient::IsOnLocalSubnet(fromAddress))
+            {
+                throw PiPedalException("Permission denied. Not on local subnet.");
+            }
+
+
+            this->model.setWifiConfigSettings(wifiConfigSettings);
+            this->Reply(replyTo,"setWifiConfigSettings");
+        }
+        else if (message == "getWifiConfigSettings") {
+            this->Reply(replyTo, "getWifiConfigSettings", model.getWifiConfigSettings());
+
+        }
+
        else if (message == "getJackServerSettings") {
            this->Reply(replyTo, "getJackServerSettings", model.GetJackServerSettings());

@@ -1220,6 +1250,10 @@ public:
        Send("onJackServerSettingsChanged",jackServerSettings);
    }

+    virtual void OnWifiConfigSettingsChanged(const WifiConfigSettings&wifiConfigSettings) {
+        Send("onWifiConfigSettingsChanged",wifiConfigSettings);
+    }
+
    virtual void OnPedalBoardChanged(int64_t clientId, const PedalBoard &pedalBoard)
    {
        SetCurrentPedalBoardBody body;
@@ -0,0 +1,228 @@
+#include "pch.h"
+#include "RegDb.hpp"
+#include <fstream>
+#include <filesystem>
+#include <unordered_set>
+
+#include "PiPedalException.hpp"
+
+#define REGDB_MAGIC 0x52474442
+#define REGDB_VERSION 19
+
+
+using namespace pipedal;
+using namespace std;
+
+struct RegDbFileHeader {
+    uint32_t magic; 
+    uint32_t version;
+    uint32_t countryOffset;
+    uint32_t countryCount;
+    uint32_t signatureLength;
+
+    void toNs() {
+        this->magic = htonl(this->magic);
+        this->version = htonl(this->version);
+        this->countryOffset = htonl(this->countryOffset);
+        this->countryCount = htonl(this->countryCount);
+        this->signatureLength = htonl(this->signatureLength);
+    }
+};
+
+struct CountryHeader {
+    char alpha2[2];
+    uint8_t pad;
+    uint8_t dfsRegion; // first 2 bits only.
+    uint32_t rulesOffset;
+
+    void toNs() {
+        this->rulesOffset = htonl(rulesOffset);
+    }
+
+};
+struct RulesCollection {
+    uint32_t ruleCount;
+    uint32_t ruleOffsets[1];
+
+    void toNs() {
+        this->ruleCount = htonl(this->ruleCount);
+        uint32_t *p = ruleOffsets;
+        for (uint32_t i = 0; i < this->ruleCount; ++i)
+        {
+            *p = htonl(*p);
+            ++p;
+        }
+    }
+};
+
+struct Rule {
+    uint32_t frequencyRangeOffset;
+    uint32_t powerRuleOffset;
+    uint32_t flags;
+
+    void toNs() {
+        frequencyRangeOffset = htonl(frequencyRangeOffset);
+        powerRuleOffset = htonl(powerRuleOffset);
+        flags = htonl(flags);
+    }
+};
+
+struct FrequencyRange {
+    uint32_t startFrequency; // in khz.
+    uint32_t endFrequency;   // in khz.
+    uint32_t maxBandwidth;   // in khz.
+    void toNs() {
+        startFrequency = htonl(startFrequency);
+        endFrequency = htonl(endFrequency);
+        maxBandwidth = htonl(maxBandwidth);
+    }
+};
+struct PowerRule {
+    uint32_t maximumAntennaGain;
+    uint32_t maximumEirp;
+    void toNs() {
+        maximumAntennaGain = htonl(maximumAntennaGain);
+        maximumEirp = htonl(maximumEirp);
+    }
+};
+
+
+
+const char*filePaths[] = 
+{
+    "/usr/lib/crda/regulatory.bin"
+};
+
+static std::filesystem::path getFilePath()
+{
+    for (size_t i = 0; i < sizeof(filePaths)/sizeof(filePaths[0]); ++i)
+    {
+        std::filesystem::path path(filePaths[i]);
+        if (std::filesystem::exists(path)) {
+            return path;
+        }
+    }
+    throw PiPedalException("Could not find 'regulatory.bin' file.");
+}
+
+RegDb::~RegDb()
+{
+    delete[] pData;
+}
+
+RegDb::RegDb()
+:pData(nullptr)
+{
+    RegDbFileHeader header;
+    std::filesystem::path path = getFilePath();
+    ifstream f(path);
+    if (!f.is_open()) {
+        stringstream s;
+        s << "Can't read " << path;
+        throw PiPedalException(s.str());
+    }
+    size_t fileSize = std::filesystem::file_size(path);
+    this->pData = new uint8_t[fileSize];
+    f.read((char*)this->pData,fileSize);
+
+    // convert from big-endian to local byte order;
+    RegDbFileHeader *fileHeader = (RegDbFileHeader*)pData;
+    fileHeader->toNs();
+    if (fileHeader->magic != REGDB_MAGIC)
+    {
+        throw PiPedalException("Invalid file format.");
+    }
+    std::unordered_set<uint32_t> visited;
+
+    CountryHeader*countryHeader = (CountryHeader*)(pData + fileHeader->countryOffset);
+    for (uint32_t i = 0; i < fileHeader->countryCount; ++i)
+    {
+        countryHeader->toNs();
+        if (visited.count(countryHeader->rulesOffset) == 0)
+        {
+            visited.insert(countryHeader->rulesOffset);
+            RulesCollection*pRules = (RulesCollection*)(pData + countryHeader->rulesOffset);
+            pRules->toNs();
+            for (uint32_t nRule = 0; nRule < pRules->ruleCount; ++nRule)
+            {
+                uint32_t ruleOffset = pRules->ruleOffsets[nRule];
+                if (visited.count(ruleOffset) == 0)
+                {
+                    visited.insert(ruleOffset);
+                    Rule *pRule = (Rule*)(pData + ruleOffset);
+                    pRule->toNs();
+
+                    if (visited.count(pRule->frequencyRangeOffset) == 0)
+                    {
+                        visited.insert(pRule->frequencyRangeOffset);
+
+                        FrequencyRange*pf = (FrequencyRange*)(pData + pRule->frequencyRangeOffset);
+                        pf->toNs();
+                    }
+                    if (visited.count(pRule->powerRuleOffset) == 0)
+                    {
+                        visited.insert(pRule->powerRuleOffset);
+
+                        PowerRule *pr = (PowerRule*)(pData + pRule->powerRuleOffset);
+                        pr->toNs();
+                    }
+                }
+            }
+        }
+        ++countryHeader;
+    }
+ 
+}
+bool CrdbRules::GetFrequencyRule(uint32_t frequencyRuleMHz, FrequencyRule*pResult)
+{
+    memset(pResult,0,sizeof(FrequencyRule));
+    RulesCollection*pRules = (RulesCollection*)(regDb->pData + countryOffset);
+    uint32_t frequencyRuleKHz = frequencyRuleMHz*1000;
+    for (uint32_t i = 0; i < pRules->ruleCount; ++i)
+    {
+        Rule *pRule = (Rule*)(regDb->pData + pRules->ruleOffsets[i]);
+        FrequencyRange*pf = (FrequencyRange*)(regDb->pData + pRule->frequencyRangeOffset);
+        if (frequencyRuleKHz >= pf->startFrequency && frequencyRuleKHz < pf->endFrequency)
+        {
+            PowerRule *pr = (PowerRule*)(regDb->pData + pRule->powerRuleOffset);
+            pResult->flags = (RegRuleFlags)(pRule->flags);
+            pResult->maximumAntennaGain = pr->maximumAntennaGain;
+            pResult->maximumEirp = pr->maximumEirp;
+            return true;
+        }
+    }
+    return false;
+}
+CrdbRules*RegDb::GetCrdbRules(const char*countryCodeIso633)
+{
+    const char c0 = countryCodeIso633[0];
+    if (c0 == '\0') return nullptr;
+    const char c1 = countryCodeIso633[1];
+
+    RegDbFileHeader *fileHeader = (RegDbFileHeader*)pData;
+    CountryHeader*countryHeader = (CountryHeader*)(pData + fileHeader->countryOffset);
+    for (uint32_t i = 0; i < fileHeader->countryCount; ++i)
+    {
+        if (countryHeader->alpha2[0] == c0 && countryHeader->alpha2[1] == c1) {
+            return new CrdbRules(
+                this,
+                countryHeader->rulesOffset,
+                (DfsRegion)(countryHeader->dfsRegion & 0x03)
+            );
+        }
+        ++countryHeader;
+    }
+    return nullptr;
+}
+
+CrdbRules::CrdbRules(RegDb *regDb,uint32_t countryOffset, DfsRegion dfsRegion )
+:   regDb(regDb),
+    countryOffset(countryOffset),
+    dfsRegion(dfsRegion)
+{
+}
+
+DfsRegion CrdbRules::GetDfsRegion() const {
+    return this->dfsRegion;
+}
+
@@ -0,0 +1,67 @@
+#pragma once
+
+#include <stdint.h>
+
+namespace pipedal {
+
+// sync with <linux/nl80211.h
+enum class RegRuleFlags {
+	NO_OFDM		= 1<<0,  
+	NO_CCK		= 1<<1,
+	NO_INDOOR		= 1<<2,
+	NO_OUTDOOR		= 1<<3,
+	DFS			= 1<<4,
+	PTP_ONLY		= 1<<5,
+	PTMP_ONLY		= 1<<6,
+	NO_IR		= 1<<7,
+	__NO_IBSS		= 1<<8,
+	AUTO_BW		= 1<<11,
+	IR_CONCURRENT	= 1<<12,
+	NO_HT40MINUS	= 1<<13,
+	NO_HT40PLUS		= 1<<14,
+	NO_80MHZ		= 1<<15,
+	NO_160MHZ		= 1<<16,
+	NO_HE		= 1<<17,
+};
+
+enum class DfsRegion {
+    Unset = 0,
+    Fcc = 1,
+    Etsi = 2,
+    Japan = 3
+};
+
+struct FrequencyRule {
+    uint32_t maximumAntennaGain; // in mBiu (100*dBi)
+    uint32_t maximumEirp; // in mBm (100*dBm)
+    RegRuleFlags flags;
+
+    bool hasFlag(RegRuleFlags flag) const { return (((int)flag) & (int)this->flags) != 0; }
+};
+
+class RegDb;
+
+class CrdbRules {
+    friend class RegDb;
+    RegDb *regDb = nullptr;
+    uint32_t countryOffset;
+    DfsRegion dfsRegion;
+    CrdbRules(RegDb *regDb,uint32_t countryOffset, DfsRegion dfsRegion );
+public:
+    virtual DfsRegion GetDfsRegion() const;
+    virtual bool GetFrequencyRule(uint32_t frequencyMHz,FrequencyRule*pResult);
+};
+
+class RegDb {
+private:
+    friend class CrdbRules;
+    uint8_t*pData;
+    
+public:
+    RegDb();
+    ~RegDb();
+    CrdbRules *GetCrdbRules(const char*countryCodeIso6333);
+    bool isValid() const { return pData != nullptr; }
+};
+
+}
@@ -6,6 +6,9 @@
 #include <arpa/inet.h>
 #include "Lv2Log.hpp"
 #include <sstream>
+#include <sys/types.h>
+#include <ifaddrs.h>
+

 using namespace pipedal;

@@ -138,3 +141,52 @@ bool ShutdownClient::SetJackServerConfiguration(const JackServerSettings & jackS
    
    return WriteMessage(s.str().c_str());
 }
+
+bool ShutdownClient::IsOnLocalSubnet(const std::string&fromAddress)
+{
+    std::string address = fromAddress;
+    if (address.size() == 0) return false;
+    char lastChar = address[address.size()-1];
+    if (address[0] != '[' || lastChar != ']') // i.e. not an ipv6 address;
+    {
+        size_t pos = address.find_last_of(':');
+        if (pos != std::string::npos)
+        {
+            address = address.substr(0,pos);
+        }
+    }
+    if (address[0] == '[') return false;
+
+    char buf[512];
+
+    struct in_addr inetAddr;
+
+    memset(&inetAddr,0,sizeof(inetAddr));
+
+    if (inet_pton(AF_INET,address.c_str(),&inetAddr) == 0) {
+        return false;
+    }
+    uint32_t remoteAddress = htonl(inetAddr.s_addr);
+
+    struct ifaddrs *ifap = nullptr;
+    if (getifaddrs(&ifap) != 0) return false;
+
+    bool result = false;
+    for (ifaddrs*p = ifap; p != nullptr; p = p->ifa_next) {
+        if (p->ifa_addr->sa_family == AF_INET && p->ifa_addr != nullptr && p->ifa_netmask != nullptr) {  // TODO: Add support for AF_INET6
+            uint32_t netmask = htonl(((sockaddr_in*)(p->ifa_netmask))->sin_addr.s_addr);
+            uint32_t ifAddr = htonl(((sockaddr_in*)(p->ifa_addr))->sin_addr.s_addr);
+
+            if ((netmask & ifAddr) == (netmask & remoteAddress))
+            {
+                result = true;
+                break;
+            }
+        }
+    }
+    freeifaddrs(ifap);
+    return result;
+
+
+    
+}
@@ -11,6 +11,7 @@ public:
    static bool CanUseShutdownClient();
    static bool RequestShutdown(bool restart);
    static bool SetJackServerConfiguration(const JackServerSettings & jackServerSettings);
+    static bool IsOnLocalSubnet(const std::string&fromAddress);
 };

 } // namespace
@@ -11,6 +11,8 @@ using namespace pipedal;
 const char *BANK_EXTENSION = ".bank";
 const char *BANKS_FILENAME = "index.banks";

+#define WIFI_CONFIG_SETTINGS_FILENAME "wifiConfigSettings.json";
+
 Storage::Storage()
 {
    SetDataRoot("~/var/PiPedal");
@@ -157,6 +159,7 @@ void Storage::Initialize()
    catch (const std::exception &)
    {
    }
+    LoadWifiConfigSettings();
 }

 void Storage::LoadBank(int64_t instanceId)
@@ -683,3 +686,72 @@ int64_t  Storage::UploadPreset(const BankFile&bankFile,int64_t uploadAfter)
    this->SaveCurrentBank();
    return lastPreset;
 }
+
+void Storage::SetWifiConfigSettings(const WifiConfigSettings & wifiConfigSettings)
+{
+    WifiConfigSettings copyToSave = wifiConfigSettings;
+    copyToSave.rebootRequired_ = false;
+    if (!copyToSave.enable_)
+    {
+        copyToSave.hasPassword_ = false;
+    }
+    copyToSave.password_ = "";
+
+    std::filesystem::path path = this->dataRoot / WIFI_CONFIG_SETTINGS_FILENAME;
+    {
+        std::ofstream f(path);
+        if (!f.is_open())
+        {
+            throw PiPedalException("Unable to write to " + ((std::string)path));
+        }
+        json_writer writer(f);
+        writer.write(&copyToSave);
+    }
+
+    WifiConfigSettings copyToStore = wifiConfigSettings;
+    if (copyToStore.enable_)
+    {
+        copyToStore.hasPassword_ = copyToStore.password_.length() != 0 || this->wifiConfigSettings.hasPassword_;
+    } else {
+        copyToStore.hasPassword_ = false;
+    }
+    copyToStore.password_ = "";
+    copyToStore.rebootRequired_ = true;
+    if (copyToStore.enable_ && !copyToStore.hasPassword_) 
+    {
+        copyToStore.hasPassword_ = this->wifiConfigSettings.hasPassword_;
+    }
+    this->wifiConfigSettings = copyToStore;
+}
+
+void Storage::LoadWifiConfigSettings()
+{
+    std::filesystem::path path = this->dataRoot / WIFI_CONFIG_SETTINGS_FILENAME;
+
+    try {
+        if (std::filesystem::is_regular_file(path))
+        {
+            std::ifstream f(path);
+            if (!f.is_open())
+            {
+                throw PiPedalException("Unable to write to " + ((std::string)path));
+            }
+            json_reader reader(f);
+            WifiConfigSettings wifiConfigSettings;
+            reader.read(&wifiConfigSettings);
+            this->wifiConfigSettings = wifiConfigSettings;
+        }
+    } catch (const std::exception&)
+    {
+
+    }
+    this->wifiConfigSettings.valid_ = true;
+}
+
+
+WifiConfigSettings Storage::GetWifiConfigSettings()
+{
+    return this->wifiConfigSettings;
+}
+
+
@@ -5,6 +5,7 @@
 #include "Presets.hpp"
 #include "Banks.hpp"
 #include "JackConfiguration.hpp"
+#include "WifiConfigSettings.hpp"


 namespace pipedal {
@@ -39,6 +40,7 @@ private:
    std::string GetPresetCopyName(const std::string &name);
    bool isJackChannelSelectionValid = false;
    JackChannelSelection jackChannelSelection;
+    WifiConfigSettings wifiConfigSettings;
 public:
    Storage();
    void Initialize();
@@ -51,6 +53,7 @@ public:
    const BankIndex & GetBanks() const { return bankIndex; }


+    void LoadWifiConfigSettings();
    void LoadBank(int64_t instanceId);
    const PedalBoard& GetCurrentPreset();
    void saveCurrentPreset(const PedalBoard&pedalBoard);
@@ -77,6 +80,9 @@ public:
    void SetJackChannelSelection(const JackChannelSelection&channelSelection);
    const JackChannelSelection&GetJackChannelSelection(const JackConfiguration &jackConfiguration);

+    void SetWifiConfigSettings(const WifiConfigSettings & wifiConfigSettings);
+    WifiConfigSettings GetWifiConfigSettings();
+

 };

@@ -0,0 +1,615 @@
+
+#include "pch.h"
+#include <string>
+#include <net/if.h>
+#include <netlink/netlink.h>
+#include <netlink/genl/genl.h>
+#include <netlink/genl/family.h>
+#include <netlink/genl/ctrl.h>  
+#include <netlink/msg.h>
+#include <netlink/attr.h>
+#include <linux/nl80211.h>
+
+#include <linux/nl80211.h>
+#include "PiPedalException.hpp"
+#include "WifiChannels.hpp"
+#include "Lv2Log.hpp"
+
+#include "RegDb.hpp"
+/*
+   Heavily based on code from iw (1) command.
+   https://kernel.googlesource.com/pub/scm/linux/kernel/git/jberg/iw/+/v0.9/COPYING
+
+Copyright (c) 2007, 2008	Johannes Berg
+Copyright (c) 2007		Andy Lutomirski
+Copyright (c) 2007		Mike Kershaw
+Copyright (c) 2008		Luis R. Rodriguez
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer. 
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. The name of the author may not be used to endorse or promote products
+   derived from this software without specific prior written permission.
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+*/
+
+using namespace pipedal;
+
+struct MHzToChannel {
+    char band;
+    int channel;
+    int mhz;
+};
+
+MHzToChannel mhzToChannels[] = {
+{'g', 1, 2412},
+{'g',2, 2417},
+{'g',3, 2422},
+{'g',4, 2427},
+{'g',5, 2432},
+{'g',6, 2437},
+{'g',7, 2442},
+{'g',8, 2447},
+{'g',9, 2452},
+{'g',10, 2457},
+{'g',11, 2462},
+{'g',12, 2467},
+{'g',13, 2472},
+{'g',14, 2484},
+{'a',7, 5035},
+{'a',8, 5040},
+{'a',9, 5045},
+{'a',11, 5055},
+{'a',12, 5060},
+{'a',16, 5080},
+{'a',32, 5160},
+{'a',34, 5170},
+{'a',36, 5180},
+{'a',38, 5190},
+{'a',40, 5200},
+{'a',42, 5210},
+{'a',44, 5220},
+{'a',46, 5230},
+{'a',48, 5240},
+{'a',50, 5250},
+{'a',52, 5260},
+{'a',54, 5270},
+{'a',56, 5280},
+{'a',58, 5290},
+{'a',60, 5300},
+{'a',62, 5310},
+{'a',64, 5320},
+{'a',68, 5340},
+{'a',96, 5480},
+{'a',100, 5500},
+{'a',102, 5510},
+{'a',104, 5520},
+{'a',106, 5530},
+{'a',108, 5540},
+{'a',110, 5550},
+{'a',112, 5560},
+{'a',114, 5570},
+{'a',116, 5580},
+{'a',118, 5590},
+{'a',120, 5600},
+{'a',122, 5610},
+{'a',124, 5620},
+{'a',126, 5630},
+{'a',128, 5640},
+{'a',132, 5660},
+{'a',134, 5670},
+{'a',136, 5680},
+{'a',138, 5690},
+{'a',140, 5700},
+{'a',142, 5710},
+{'a',144, 5720},
+{'a',149, 5745},
+{'a',151, 5755},
+{'a',153, 5765},
+{'a',155, 5775},
+{'a',157, 5785},
+{'a',159, 5795},
+{'a',161, 5805},
+{'a',163, 5815},
+{'a',165, 5825},
+{'a',167, 5835},
+{'a',169, 5845},
+{'a',171, 5855},
+{'a',173, 5865},
+{'a',175, 5875},
+{'a',177, 5885},
+{'a',180, 5900},
+{'a',182, 5910},
+{'a',18, 5915},
+{'a',184, 5920},
+{'a',187, 5935},
+{'a',188, 5940},
+{'a',189, 5945},
+{'a',192, 5960},
+{'a',196, 5980},
+};
+
+
+bool MHzToChannelNumber(int mhz, char*pBand, int*pChannel)
+{
+    for (size_t i = 0; i < sizeof(mhzToChannels)/sizeof(mhzToChannels[0]); ++i)
+    {
+        if (std::abs(mhz-mhzToChannels[i].mhz) <= 1) {
+            *pBand = mhzToChannels[i].band;
+            *pChannel = mhzToChannels[i].channel;
+            return true;
+        }
+    }
+    return false;
+}
+
+static nla_policy *makeFreqPolicy()
+{
+    nla_policy* result = new nla_policy[NL80211_FREQUENCY_ATTR_MAX + 1];
+    memset(result,0,sizeof(nla_policy[NL80211_FREQUENCY_ATTR_MAX + 1]));
+
+    result[NL80211_FREQUENCY_ATTR_FREQ] = {NLA_U32,0,0};
+    result[NL80211_FREQUENCY_ATTR_DISABLED] = {NLA_FLAG,0,0};
+    result[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = {NLA_FLAG,0,0};
+    result[NL80211_FREQUENCY_ATTR_NO_IR] = {NLA_FLAG,0,0};
+    result[NL80211_FREQUENCY_ATTR_RADAR] = {NLA_FLAG,0,0};
+    result[NL80211_FREQUENCY_ATTR_INDOOR_ONLY] = {NLA_FLAG,0,0};
+    result[NL80211_FREQUENCY_ATTR_INDOOR_ONLY] = {NLA_FLAG,0,0};
+    result[NL80211_FREQUENCY_ATTR_NO_20MHZ] = {NLA_FLAG,0,0};
+    result[NL80211_FREQUENCY_ATTR_NO_20MHZ] = {NLA_FLAG,0,0};
+	result[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS] = {NLA_FLAG,0,0};
+	result[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS] = {NLA_FLAG,0,0};
+	result[NL80211_FREQUENCY_ATTR_NO_80MHZ] = {NLA_FLAG,0,0};
+	result[NL80211_FREQUENCY_ATTR_NO_160MHZ] = {NLA_FLAG,0,0};
+    return result;
+}
+
+static struct nla_policy* freq_policy = makeFreqPolicy();
+
+
+static nla_policy *makeRatePolicy() {
+    nla_policy* result = new nla_policy[NL80211_BITRATE_ATTR_MAX + 1];
+    memset(result,0,sizeof(nla_policy[NL80211_BITRATE_ATTR_MAX + 1]));
+    result[NL80211_BITRATE_ATTR_RATE] = {.type = NLA_U32};
+    result[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = {.type = NLA_FLAG};
+    return result;
+};
+
+static struct nla_policy* rate_policy = makeRatePolicy();
+
+struct IfType {
+    enum nl80211_iftype iftype;
+    const char*name;
+};
+static struct IfType ifTypes[] = {
+	{NL80211_IFTYPE_UNSPECIFIED,"Unspecified"},
+	{NL80211_IFTYPE_ADHOC,"Adhoc"},
+	{NL80211_IFTYPE_STATION,"Station"},
+	{NL80211_IFTYPE_AP,"AP"},
+	{NL80211_IFTYPE_AP_VLAN,"VLAN"},
+	{NL80211_IFTYPE_WDS,"WDS"},
+	{NL80211_IFTYPE_MONITOR,"Monitor"},
+	{NL80211_IFTYPE_MESH_POINT,"Mesh point"},
+	{NL80211_IFTYPE_P2P_CLIENT,"Client"},
+	{NL80211_IFTYPE_P2P_GO,"P2P Go"},
+	{NL80211_IFTYPE_P2P_DEVICE,"P2P"},
+	{NL80211_IFTYPE_OCB,"OCB"},
+	{NL80211_IFTYPE_NAN,"NAN"},
+    
+};
+const char *iftype_name(enum nl80211_iftype iftype)
+{
+    for (size_t i = 0; i < sizeof(ifTypes)/sizeof(ifTypes[0]); ++i)
+    {
+        if (ifTypes[i].iftype == iftype)
+        {
+            return ifTypes[i].name;
+        }
+    }
+    return "Unknown";
+}
+static int phy_lookup(const char *name)
+{
+    char buf[200];
+    int fd, pos;
+    snprintf(buf, sizeof(buf), "/sys/class/ieee80211/%s/index", name);
+    fd = open(buf, O_RDONLY);
+    pos = read(fd, buf, sizeof(buf) - 1);
+    if (pos < 0)
+        return -1;
+    buf[pos] = '\0';
+    return atoi(buf);
+}
+
+static int getWifiName_callback(struct nl_msg *msg, void *arg);
+static int getWifiInfo_callback(struct nl_msg *msg, void *arg);
+
+struct WifiChannelInfo
+{
+    int channelNumber = -1;
+    char band = 'g'; // 'g' or 'a'
+    int mhz = 0;
+    bool disabled = false;
+    bool ir = true;
+    bool radarDetection = false;
+    std::vector<float> bitrates;
+    bool indoorOnly = false;
+    bool noHt40Minus = false;
+    bool noHt40Plus = false;
+    bool no10MHz = false;
+    bool no20MHz = false;
+    bool no80MHz = false;
+    bool no160MHz = false;
+};
+
+struct WifiBand
+{
+    int index;
+    std::vector<WifiChannelInfo> channels;
+};
+
+struct WifiInfo
+{
+    std::string name;
+    std::vector<WifiBand> bands;
+    std::vector<std::string> supportedIfTypes;
+};
+class NetLink
+{
+private:
+
+    std::vector<WifiBand> result;
+    nl_sock*socket = nullptr;
+    nl_cache*cache = nullptr;
+    genl_family*nl80211 = nullptr;
+
+    int errorCode = -1;
+
+    static int finish_handler(struct nl_msg *msg, void *arg)
+    {
+        NetLink*this_ = (NetLink*)arg;
+        this_->errorCode = 0;
+        return NL_SKIP;
+    }
+    static int ack_handler(struct nl_msg *msg, void *arg)
+    {
+        NetLink*this_ = (NetLink*)arg;
+        this_->errorCode = 0;
+        return NL_STOP;
+    }
+
+    static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
+                void *arg)
+    {
+        NetLink*this_ = (NetLink*)arg;
+        this_->errorCode = err->error;
+        return NL_STOP;
+    }
+
+
+    static int info_phy_handler(struct nl_msg *msg, void *arg)
+    {
+        return ((NetLink *)arg)->InfoPhyHandler(msg, (WifiInfo *)arg);
+    }
+    int InfoPhyHandler(struct nl_msg *msg, WifiInfo *result)
+    {
+        struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
+        struct genlmsghdr *gnlh = (genlmsghdr *)nlmsg_data(nlmsg_hdr(msg));
+        struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
+        struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
+        struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
+        struct nlattr *nl_band;
+        struct nlattr *nl_freq;
+        struct nlattr *nl_rate;
+        struct nlattr *nl_mode;
+        int bandidx = 1;
+        int rem_band, rem_freq, rem_rate, rem_mode;
+        int open;
+        nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+                  genlmsg_attrlen(gnlh, 0), NULL);
+        if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
+            return NL_SKIP;
+        if (tb_msg[NL80211_ATTR_WIPHY_NAME])
+            result->name = nla_get_string(tb_msg[NL80211_ATTR_WIPHY_NAME]);
+
+        nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
+        {
+            WifiBand band;
+            band.index = bandidx;
+
+            bandidx++;
+            nla_parse(tb_band, NL80211_BAND_ATTR_MAX, (nlattr *)nla_data(nl_band),
+                      nla_len(nl_band), NULL);
+
+            nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq)
+            {
+                nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, (nlattr *)nla_data(nl_freq),
+                          nla_len(nl_freq), freq_policy);
+                if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
+                    continue;
+
+                WifiChannelInfo channel;
+
+                channel.mhz = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
+                open = 0;
+                if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
+                    channel.disabled = true;
+                if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
+                    channel.ir = false;
+                if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
+                    channel.radarDetection = true;
+                if (tb_freq[NL80211_FREQUENCY_ATTR_NO_10MHZ])
+                    channel.no10MHz = true;
+                if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
+                    channel.indoorOnly = true;
+                if (tb_freq[NL80211_FREQUENCY_ATTR_NO_20MHZ])
+                    channel.no20MHz = true;
+                if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_MINUS])
+                    channel.noHt40Minus = true;
+                if (tb_freq[NL80211_FREQUENCY_ATTR_NO_HT40_PLUS])
+                    channel.noHt40Plus = true;
+                if (tb_freq[NL80211_FREQUENCY_ATTR_NO_80MHZ])
+                    channel.no80MHz = true;
+                if (tb_freq[NL80211_FREQUENCY_ATTR_NO_160MHZ])
+                    channel.no160MHz = true;
+                
+                if (MHzToChannelNumber(channel.mhz,&channel.band, &channel.channelNumber))
+                {
+                    band.channels.push_back(std::move(channel));
+                } else {
+                    // throw PiPedalException("Frequency not recognized.");
+                }
+            }
+            nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES], rem_rate)
+            {
+                nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, (nlattr *)nla_data(nl_rate),
+                          nla_len(nl_rate), rate_policy);
+                if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
+                    continue;
+                //channel.bitRates.push_back(0.1f * nla_get_u32(tb_rate[NL80211_BITRATE_ATTR_RATE]);
+            }
+            result->bands.push_back(std::move(band));
+        }
+        if (!tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES])
+            return NL_SKIP;
+
+        nla_for_each_nested(nl_mode, tb_msg[NL80211_ATTR_SUPPORTED_IFTYPES], rem_mode)
+            result->supportedIfTypes.push_back(iftype_name((nl80211_iftype)(nl_mode->nla_type)));
+        return NL_SKIP;
+    }
+
+public:
+    ~NetLink()
+    {
+        if (this->cache)
+        {
+            nl_cache_free(cache);
+            cache = nullptr;
+        }
+        if (nl80211 != nullptr)
+        {
+            genl_family_put(nl80211); // (release reference)
+            nl80211 = nullptr;
+        }
+        if (socket)
+        {
+            nl_close(socket);
+            nl_socket_free(socket);
+            socket = nullptr;
+        }
+    }
+    NetLink()
+    {
+        socket = nl_socket_alloc();
+        if (!socket)
+        {
+            throw PiPedalException("Can't allocate netlink socket.");
+        }
+        nl_socket_set_buffer_size(socket, 8192, 8192);
+
+        if (genl_connect(socket))
+        {
+            throw PiPedalException("Failed to connect to netlink socket.");
+        }
+        if (genl_ctrl_alloc_cache(this->socket,&this->cache) != 0) {
+            throw PiPedalException("Failed to allocate generic netlink cache.");
+        }
+        this->nl80211 = genl_ctrl_search_by_name(this->cache, "nl80211");
+        if (!this->nl80211) {
+            throw PiPedalException("nl80211 family not found.");
+        }
+    }
+    void GetAvailableChannels(const char *phyName, WifiInfo *result)
+    {
+
+        struct nl_msg *msg = nullptr;
+        struct nl_cb*cb = nullptr;
+	    int devidx = 0;
+	    int err;
+
+        devidx = phy_lookup(phyName);
+        try {
+        
+
+        msg = nlmsg_alloc();
+        if (!msg)
+        {
+            throw PiPedalException("failed to allocate netlink message");
+        }
+        cb = nl_cb_alloc(NL_CB_DEFAULT);
+        if (!cb)
+        {
+            throw PiPedalException("failed to allocate netlink callbacks");
+        }
+        genlmsg_put(msg, 0, 0, genl_family_get_id(this->nl80211), 0,
+                    0, NL80211_CMD_GET_WIPHY, 0);
+        NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, devidx);
+
+        this->errorCode = 0;
+        nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, info_phy_handler, result);
+
+        nl_cb_err(cb, NL_CB_CUSTOM, error_handler, this);
+        nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, this);
+        nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, this);
+
+        err = nl_send_auto_complete(this->socket, msg);
+        
+        if (err < 0)
+            throw PiPedalException("Command failed.");
+        nl_recvmsgs(this->socket, cb);
+        nlmsg_free(msg);
+        if (this->errorCode != 0)
+        {
+            throw PiPedalException("Command failed.");
+        }
+        nl_cb_put(cb);
+        return;
+    nla_put_failure: 
+        throw PiPedalException("NLA Put failure.");
+    } catch (const std::exception&e)
+        {
+            if (cb != nullptr)
+            {
+                nl_cb_put(cb);
+                cb = nullptr;
+            }
+            if (msg != nullptr)
+            {
+                nlmsg_free(msg);
+                msg = nullptr;
+            }
+            throw;
+        }
+    }
+};
+
+WifiInfo getWifiInfo(const char *phyName)
+{
+    int index = phy_lookup(phyName);
+    if (index == -1)
+    {
+        throw PiPedalArgumentException("No such device.");
+    }
+
+    NetLink netLink;
+    WifiInfo result;
+    netLink.GetAvailableChannels(phyName,&result);
+    return result;
+}
+
+const char*allowOutdoorsLocales[] = {
+    "US","TW","SG",
+
+};
+
+static bool allowOutdoors(const char*countryCode)
+{
+    for (size_t i = 0; i < sizeof(allowOutdoorsLocales)/sizeof(allowOutdoorsLocales[0]); ++i)
+    {
+        if (strcmp(allowOutdoorsLocales[i],countryCode) == 0) return true;
+    }
+    return false;
+}
+
+static bool firstTime = true;
+static std::unique_ptr<RegDb> g_regDb;
+std::vector<WifiChannel> pipedal::getWifiChannels(const char*countryIso3661)
+{
+    // Use the wifi physical device to get a list of channels
+    // that the hardware supports.
+    // The override the hardware's regulation flags using regulation.bin
+    // database info for the selected country code.
+    // If the regulation.bin database doesn't have a matching record,
+    // just pass the data that the wifi reported.
+
+    if (firstTime) {
+        firstTime = false;
+        try {
+            g_regDb = std::make_unique<RegDb>();
+        } catch (const std::exception& e)
+        {
+            std::stringstream s;
+            s << "Failed to open the Wi-Fi regulations.bin database. " << e.what();
+            Lv2Log::error(s.str());
+        }
+    }
+    std::vector<WifiChannel> result;
+
+    WifiInfo wifiInfo = getWifiInfo("phy0");
+    std::unique_ptr<CrdbRules> crdbRules = nullptr;
+    if (g_regDb) {
+        crdbRules = std::unique_ptr<CrdbRules>(g_regDb->GetCrdbRules(countryIso3661));
+        if (!crdbRules) {
+            crdbRules = std::unique_ptr<CrdbRules>(g_regDb->GetCrdbRules("00")); // unset default.
+        }
+    }
+    for (auto &band : wifiInfo.bands)
+    {
+        for (auto &channel: band.channels) {
+            if (crdbRules)
+            {
+                FrequencyRule crdbRule;
+                if (crdbRules->GetFrequencyRule(channel.mhz,&crdbRule))
+                {
+                    channel.disabled = false;
+                    channel.radarDetection = crdbRule.hasFlag(RegRuleFlags::DFS);
+                    channel.ir = !crdbRule.hasFlag(RegRuleFlags::NO_IR);
+                    channel.indoorOnly = crdbRule.hasFlag(RegRuleFlags::NO_OUTDOOR);
+                    if (crdbRule.hasFlag(RegRuleFlags::PTP_ONLY)
+                    || crdbRule.hasFlag(RegRuleFlags::PTMP_ONLY))
+                    {
+                        channel.disabled = true;
+
+                    }
+                } else {
+                    channel.disabled = true;
+                }
+            }
+            if ((!channel.disabled) && (!channel.radarDetection) && channel.ir)
+            {
+                WifiChannel ch;
+                std::stringstream s;
+                s << channel.band << channel.channelNumber;
+                ch.channelId_ = s.str();
+
+                std::stringstream t;
+                t << channel.channelNumber;
+                if (channel.band == 'a') 
+                    t << " (5GHz)";
+                else 
+                    t << " (2.4GHz)";
+                
+                if (channel.indoorOnly) {
+                    t << " Indoor only";
+                } 
+                ch.channelName_ = t.str();
+                result.push_back(ch);
+            }
+        }
+    }
+    return result;
+}
+
+
+JSON_MAP_BEGIN(WifiChannel)
+    JSON_MAP_REFERENCE(WifiChannel,channelId)
+    JSON_MAP_REFERENCE(WifiChannel,channelName)
+JSON_MAP_END()
+
+
@@ -0,0 +1,16 @@
+#pragma once 
+#include "json.hpp"
+namespace pipedal {
+
+class WifiChannel  {
+public:
+    std::string channelId_;
+    std::string channelName_;
+
+    DECLARE_JSON_MAP(WifiChannel);
+};
+
+std::vector<WifiChannel> getWifiChannels(const char*countryIso3661);
+
+
+}
@@ -0,0 +1,18 @@
+#include "pch.h"
+#include "catch.hpp"
+#include <sstream>
+#include <cstdint>
+#include <string>
+
+#include "WifiChannels.hpp"
+
+
+
+using namespace pipedal;
+
+
+
+TEST_CASE( "Wifi Channel Test", "[wifi_channels_test]" ) {
+    std::vector<WifiChannel> result = pipedal::getWifiChannels("CA");
+}
+
@@ -0,0 +1,17 @@
+#include "pch.h"
+#include "WifiConfigSettings.hpp"
+
+using namespace pipedal;
+
+JSON_MAP_BEGIN(WifiConfigSettings)
+    JSON_MAP_REFERENCE(WifiConfigSettings,valid)
+    JSON_MAP_REFERENCE(WifiConfigSettings,wifiWarningGiven)
+    JSON_MAP_REFERENCE(WifiConfigSettings,rebootRequired)
+    JSON_MAP_REFERENCE(WifiConfigSettings,enable)
+    JSON_MAP_REFERENCE(WifiConfigSettings,hotspotName)
+    JSON_MAP_REFERENCE(WifiConfigSettings,hasPassword)
+    JSON_MAP_REFERENCE(WifiConfigSettings,password)
+    JSON_MAP_REFERENCE(WifiConfigSettings,countryCode)
+    JSON_MAP_REFERENCE(WifiConfigSettings,channel)
+JSON_MAP_END()
+
@@ -0,0 +1,21 @@
+#pragma once
+
+#include "json.hpp"
+
+namespace pipedal {
+
+    class WifiConfigSettings {
+    public:
+        bool valid_ = false;
+        bool wifiWarningGiven_ = false;
+        bool rebootRequired_ = false;
+        bool enable_ = false;
+        std::string countryCode_ = "US"; // iso 3661
+        std::string hotspotName_ = "pipedal";
+        bool hasPassword_ = false;
+        std::string password_;
+        std::string channel_ = "g6";
+    public:
+        DECLARE_JSON_MAP(WifiConfigSettings);
+    };
+}
@@ -5,9 +5,9 @@
 #include <string>


-#include <json.hpp>
+#include "json.hpp"

-using namespace piddle;
+using namespace pipedal;

 class JsonTestTarget {
 private:
@@ -0,0 +1,5 @@
+#include "pch.h"
+#define CATCH_CONFIG_MAIN  
+#include <catch/catch.hpp>
+
+uint16_t g_ShutdownPort = 0;
@@ -3,9 +3,10 @@ Features:

 Patches.

-8 Updload/download patches.
+9 Hotspot config.
 9 Upload/download banks. 
-
+9 Delete bank warning dialo.
+7 Settings dialog doesn't have back button nav.

 - have to make sure it's set in the USER's environment.

@@ -30,8 +31,7 @@ pulseaudio --kill

 Reconnect of controls after config change.

-
-Layout of 2nd and subsequent splits.
+Run when there's no midi device.

 Crash when changing input channels to mono.

@@ -55,6 +55,12 @@ Open source copyrights.

 add pipedal.local to etc/hosts.

+/etc/dhcpcd.config:
+  nohook wpa_supplicant
+  
+Dependents:
+
+libnl-3-dev libnl-genl-3-dev