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gecko/dom/wifi/WifiP2pManager.jsm
Jim Blandy b6b202b6bb Bug 914753: Make Emacs file variable header lines correct, or at least consistent. DONTBUILD r=ehsan 
The -*- file variable lines -*- establish per-file settings that Emacs will
pick up. This patch makes the following changes to those lines (and touches
nothing else):

 - Never set the buffer's mode.

   Years ago, Emacs did not have a good JavaScript mode, so it made sense
   to use Java or C++ mode in .js files. However, Emacs has had js-mode for
   years now; it's perfectly serviceable, and is available and enabled by
   default in all major Emacs packagings.

   Selecting a mode in the -*- file variable line -*- is almost always the
   wrong thing to do anyway. It overrides Emacs's default choice, which is
   (now) reasonable; and even worse, it overrides settings the user might
   have made in their '.emacs' file for that file extension. It's only
   useful when there's something specific about that particular file that
   makes a particular mode appropriate.

 - Correctly propagate settings that establish the correct indentation
   level for this file: c-basic-offset and js2-basic-offset should be
   js-indent-level. Whatever value they're given should be preserved;
   different parts of our tree use different indentation styles.

 - We don't use tabs in Mozilla JS code. Always set indent-tabs-mode: nil.
   Remove tab-width: settings, at least in files that don't contain tab
   characters.

 - Remove js2-mode settings that belong in the user's .emacs file, like
   js2-skip-preprocessor-directives.
2014-06-24 22:12:07 -07:00

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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/StateMachine.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/systemlibs.js");
XPCOMUtils.defineLazyServiceGetter(this, "gSysMsgr",
"@mozilla.org/system-message-internal;1",
"nsISystemMessagesInternal");
XPCOMUtils.defineLazyServiceGetter(this, "gNetworkManager",
"@mozilla.org/network/manager;1",
"nsINetworkManager");
const kNetworkInterfaceStateChangedTopic = "network-interface-state-changed";
this.EXPORTED_SYMBOLS = ["WifiP2pManager"];
const EVENT_IGNORED = -1;
const EVENT_UNKNOWN = -2;
// Events from supplicant for p2p.
const EVENT_P2P_DEVICE_FOUND = 0;
const EVENT_P2P_DEVICE_LOST = 1;
const EVENT_P2P_GROUP_STARTED = 2;
const EVENT_P2P_GROUP_REMOVED = 3;
const EVENT_P2P_PROV_DISC_PBC_REQ = 4;
const EVENT_P2P_PROV_DISC_PBC_RESP = 5;
const EVENT_P2P_PROV_DISC_SHOW_PIN = 6;
const EVENT_P2P_PROV_DISC_ENTER_PIN = 7;
const EVENT_P2P_GO_NEG_REQUEST = 8;
const EVENT_P2P_GO_NEG_SUCCESS = 9;
const EVENT_P2P_GO_NEG_FAILURE = 10;
const EVENT_P2P_GROUP_FORMATION_SUCCESS = 11;
const EVENT_P2P_GROUP_FORMATION_FAILURE = 12;
const EVENT_P2P_FIND_STOPPED = 13;
const EVENT_P2P_INVITATION_RESULT = 14;
const EVENT_P2P_INVITATION_RECEIVED = 15;
const EVENT_P2P_PROV_DISC_FAILURE = 16;
// Events from supplicant but not p2p specific.
const EVENT_AP_STA_DISCONNECTED = 100;
const EVENT_AP_STA_CONNECTED = 101;
// Events from DOM.
const EVENT_P2P_SET_PAIRING_CONFIRMATION = 1000;
const EVENT_P2P_CMD_CONNECT = 1001;
const EVENT_P2P_CMD_DISCONNECT = 1002;
const EVENT_P2P_CMD_ENABLE = 1003;
const EVENT_P2P_CMD_DISABLE = 1004;
const EVENT_P2P_CMD_ENABLE_SCAN = 1005;
const EVENT_P2P_CMD_DISABLE_SCAN = 1006;
const EVENT_P2P_CMD_BLOCK_SCAN = 1007;
const EVENT_P2P_CMD_UNBLOCK_SCAN = 1008;
// Internal events.
const EVENT_TIMEOUT_PAIRING_CONFIRMATION = 10000;
const EVENT_TIMEOUT_NEG_REQ = 10001;
const EVENT_TIMEOUT_CONNECTING = 10002;
const EVENT_P2P_ENABLE_SUCCESS = 10003;
const EVENT_P2P_ENABLE_FAILED = 10004;
const EVENT_P2P_DISABLE_SUCCESS = 10005;
// WPS method string.
const WPS_METHOD_PBC = "pbc";
const WPS_METHOD_DISPLAY = "display";
const WPS_METHOD_KEYPAD = "keypad";
// Role string.
const P2P_ROLE_GO = "GO";
const P2P_ROLE_CLIENT = "client";
// System message for pairing request.
const PAIRING_REQUEST_SYS_MSG = "wifip2p-pairing-request";
// Configuration.
const P2P_INTERFACE_NAME = "p2p0";
const DEFAULT_GO_INTENT = 15;
const DEFAULT_P2P_DEVICE_NAME = "FirefoxPhone";
const P2P_SCAN_TIMEOUT_SEC = 120;
const DEFAULT_P2P_WPS_METHODS = "virtual_push_button physical_display keypad"; // For wpa_supplicant.
const DEFAULT_P2P_DEVICE_TYPE = "10-0050F204-5"; // For wpa_supplicant.
const GO_NETWORK_INTERFACE = {
ip: "192.168.2.1",
maskLength: 24,
gateway: "192.168.2.1",
dns1: "0.0.0.0",
dns2: "0.0.0.0",
dhcpServer: "192.168.2.1"
};
const GO_DHCP_SERVER_IP_RANGE = {
startIp: "192.168.2.10",
endIp: "192.168.2.30"
};
let gDebug = false;
// Device Capability bitmap
const DEVICE_CAPAB_SERVICE_DISCOVERY = 1;
const DEVICE_CAPAB_CLIENT_DISCOVERABILITY = 1<<1;
const DEVICE_CAPAB_CONCURRENT_OPER = 1<<2;
const DEVICE_CAPAB_INFRA_MANAGED = 1<<3;
const DEVICE_CAPAB_DEVICE_LIMIT = 1<<4;
const DEVICE_CAPAB_INVITATION_PROCEDURE = 1<<5;
// Group Capability bitmap
const GROUP_CAPAB_GROUP_OWNER = 1;
const GROUP_CAPAB_PERSISTENT_GROUP = 1<<1;
const GROUP_CAPAB_GROUP_LIMIT = 1<<2;
const GROUP_CAPAB_INTRA_BSS_DIST = 1<<3;
const GROUP_CAPAB_CROSS_CONN = 1<<4;
const GROUP_CAPAB_PERSISTENT_RECONN = 1<<5;
const GROUP_CAPAB_GROUP_FORMATION = 1<<6;
// Constants defined in wpa_supplicants.
const DEV_PW_REGISTRAR_SPECIFIED = 5;
const DEV_PW_USER_SPECIFIED = 1;
const DEV_PW_PUSHBUTTON = 4;
this.WifiP2pManager = function (aP2pCommand, aNetUtil) {
function debug(aMsg) {
if (gDebug) {
dump('-------------- WifiP2pManager: ' + aMsg);
}
}
let manager = {};
let _stateMachine = P2pStateMachine(aP2pCommand, aNetUtil);
// Set debug flag to true or false.
//
// @param aDebug Boolean to indicate enabling or disabling the debug flag.
manager.setDebug = function(aDebug) {
gDebug = aDebug;
};
// Set observer of observing internal state machine events.
//
// @param aObserver Used to notify WifiWorker what's happening
// in the internal p2p state machine.
manager.setObserver = function(aObserver) {
_stateMachine.setObserver(aObserver);
};
// Handle wpa_supplicant events.
//
// @param aEventString string from wpa_supplicant.
manager.handleEvent = function(aEventString) {
let event = parseEventString(aEventString);
if (EVENT_UNKNOWN === event.id || EVENT_IGNORED === event.id) {
debug('Unknow or ignored event: ' + aEventString);
return false;
}
return _stateMachine.sendEvent(event);
};
// Set the confirmation of pairing request.
//
// @param aResult Object of confirmation result which contains:
// .accepted: user granted.
// .pin: pin code which is displaying or input by user.
// .wpsMethod: string of "pbc" or "display" or "keypad".
manager.setPairingConfirmation = function(aResult) {
let event = {
id: EVENT_P2P_SET_PAIRING_CONFIRMATION,
info: {
accepted: aResult.accepted,
pin: aResult.pin
}
};
_stateMachine.sendEvent(event);
};
// Connect to a known peer.
//
// @param aAddress MAC address of the peer to connect.
// @param aWpsMethod String of "pbc" or "display" or "keypad".
// @param aGoIntent Number from 0 to 15.
// @param aCallback Callback |true| on attempting to connect.
// |false| on failed to connect.
manager.connect = function(aAddress, aWpsMethod, aGoIntent, aCallback) {
let event = {
id: EVENT_P2P_CMD_CONNECT,
info: {
wpsMethod: aWpsMethod,
address: aAddress,
goIntent: aGoIntent,
onDoConnect: aCallback
}
};
_stateMachine.sendEvent(event);
};
// Disconnect with a known peer.
//
// @param aAddress The address the user desires to disconect.
// @param aCallback Callback |true| on "attempting" to disconnect.
// |false| on failed to disconnect.
manager.disconnect = function(aAddress, aCallback) {
let event = {
id: EVENT_P2P_CMD_DISCONNECT,
info: {
address: aAddress,
onDoDisconnect: aCallback
}
};
_stateMachine.sendEvent(event);
};
// Enable/disable wifi p2p.
//
// @param aEnabled |true| to enable, |false| to disable.
// @param aCallbacks object for callbacks:
// .onEnabled
// .onDisabled
// .onSupplicantConnected
manager.setEnabled = function(aEnabled, aCallbacks) {
let event = {
id: (aEnabled ? EVENT_P2P_CMD_ENABLE : EVENT_P2P_CMD_DISABLE),
info: {
onEnabled: aCallbacks.onEnabled,
onDisabled: aCallbacks.onDisabled,
onSupplicantConnected: aCallbacks.onSupplicantConnected
}
};
_stateMachine.sendEvent(event);
};
// Enable/disable the wifi p2p scan.
//
// @param aEnabled |true| to enable scan, |false| to disable scan.
// @param aCallback Callback |true| on success to enable/disable scan.
// |false| on failed to enable/disable scan.
manager.setScanEnabled = function(aEnabled, aCallback) {
let event = {
id: (aEnabled ? EVENT_P2P_CMD_ENABLE_SCAN : EVENT_P2P_CMD_DISABLE_SCAN),
info: { callback: aCallback }
};
_stateMachine.sendEvent(event);
};
// Block wifi p2p scan.
manager.blockScan = function() {
_stateMachine.sendEvent({ id: EVENT_P2P_CMD_BLOCK_SCAN });
};
// Un-block and do the pending scan if any.
manager.unblockScan = function() {
_stateMachine.sendEvent({ id: EVENT_P2P_CMD_UNBLOCK_SCAN });
};
// Set the p2p device name.
manager.setDeviceName = function(newDeivceName, callback) {
aP2pCommand.setDeviceName(newDeivceName, callback);
};
// Parse wps_supplicant event string.
//
// @param aEventString The raw event string from wpa_supplicant.
//
// @return Object:
// .id: a number to represent an event.
// .info: the additional information carried by this event string.
function parseEventString(aEventString) {
if (isIgnoredEvent(aEventString)) {
return { id: EVENT_IGNORED };
}
let match = RegExp("p2p_dev_addr=([0-9a-fA-F:]+) " +
"pri_dev_type=([0-9a-zA-Z-]+) " +
"name='(.*)' " +
"config_methods=0x([0-9a-fA-F]+) " +
"dev_capab=0x([0-9a-fA-F]+) " +
"group_capab=0x([0-9a-fA-F]+) ").exec(aEventString + ' ');
let tokens = aEventString.split(" ");
let id = EVENT_UNKNOWN;
// general info.
let info = {};
if (match) {
info = {
address: match[1] ? match[1] : null,
type: match[2] ? match[2] : null,
name: match[3] ? match[3] : null,
wpsFlag: match[4] ? parseInt(match[4], 16) : null,
devFlag: match[5] ? parseInt(match[5], 16) : null,
groupFlag: match[6] ? parseInt(match[6], 16) : null
};
}
if (0 === aEventString.indexOf("P2P-DEVICE-FOUND")) {
id = EVENT_P2P_DEVICE_FOUND;
info.wpsCapabilities = wpsFlagToCapabilities(info.wpsFlag);
info.isGroupOwner = isPeerGroupOwner(info.groupFlag);
} else if (0 === aEventString.indexOf("P2P-DEVICE-LOST")) {
// e.g. "P2P-DEVICE-LOST p2p_dev_addr=5e:0a:5b:15:1f:80".
id = EVENT_P2P_DEVICE_LOST;
info.address = /p2p_dev_addr=([0-9a-f:]+)/.exec(aEventString)[1];
} else if (0 === aEventString.indexOf("P2P-GROUP-STARTED")) {
// e.g. "P2P-GROUP-STARTED wlan0-p2p-0 GO ssid="DIRECT-3F Testing
// passphrase="12345678" go_dev_addr=02:40:61:c2:f3:b7 [PERSISTENT]".
id = EVENT_P2P_GROUP_STARTED;
let groupMatch = RegExp('ssid="(.*)" ' +
'freq=([0-9]*) ' +
'(passphrase|psk)=([^ ]+) ' +
'go_dev_addr=([0-9a-f:]+)').exec(aEventString);
info.ssid = groupMatch[1];
info.freq = groupMatch[2];
if ('passphrase' === groupMatch[3]) {
let s = groupMatch[4]; // e.g. "G7jHkkz9".
info.passphrase = s.substring(1, s.length-1); // Trim the double quote.
} else { // psk
info.psk = groupMatch[4];
}
info.goAddress = groupMatch[5];
info.ifname = tokens[1];
info.role = tokens[2];
} else if (0 === aEventString.indexOf("P2P-GROUP-REMOVED")) {
id = EVENT_P2P_GROUP_REMOVED;
// e.g. "P2P-GROUP-REMOVED wlan0-p2p-0 GO".
info.ifname = tokens[1];
info.role = tokens[2];
} else if (0 === aEventString.indexOf("P2P-PROV-DISC-PBC-REQ")) {
id = EVENT_P2P_PROV_DISC_PBC_REQ;
info.wpsMethod = WPS_METHOD_PBC;
} else if (0 === aEventString.indexOf("P2P-PROV-DISC-PBC-RESP")) {
id = EVENT_P2P_PROV_DISC_PBC_RESP;
// The address is different from the general pattern.
info.address = aEventString.split(" ")[1];
info.wpsMethod = WPS_METHOD_PBC;
} else if (0 === aEventString.indexOf("P2P-PROV-DISC-SHOW-PIN")) {
id = EVENT_P2P_PROV_DISC_SHOW_PIN;
// Obtain peer address and pin from tokens.
info.address = tokens[1];
info.pin = tokens[2];
info.wpsMethod = WPS_METHOD_DISPLAY;
} else if (0 === aEventString.indexOf("P2P-PROV-DISC-ENTER-PIN")) {
id = EVENT_P2P_PROV_DISC_ENTER_PIN;
// Obtain peer address from tokens.
info.address = tokens[1];
info.wpsMethod = WPS_METHOD_KEYPAD;
} else if (0 === aEventString.indexOf("P2P-GO-NEG-REQUEST")) {
id = EVENT_P2P_GO_NEG_REQUEST;
info.address = tokens[1];
switch (parseInt(tokens[2].split("=")[1], 10)) {
case DEV_PW_REGISTRAR_SPECIFIED: // (5) Peer is display.
info.wpsMethod = WPS_METHOD_KEYPAD;
break;
case DEV_PW_USER_SPECIFIED: // (1) Peer is keypad.
info.wpsMethod = WPS_METHOD_DISPLAY;
break;
case DEV_PW_PUSHBUTTON: // (4) Peer is pbc.
info.wpsMethod = WPS_METHOD_PBC;
break;
default:
debug('Unknown wps method from event P2P-GO-NEG-REQUEST');
break;
}
} else if (0 === aEventString.indexOf("P2P-GO-NEG-SUCCESS")) {
id = EVENT_P2P_GO_NEG_SUCCESS;
} else if (0 === aEventString.indexOf("P2P-GO-NEG-FAILURE")) {
id = EVENT_P2P_GO_NEG_FAILURE;
} else if (0 === aEventString.indexOf("P2P-GROUP-FORMATION-FAILURE")) {
id = EVENT_P2P_GROUP_FORMATION_FAILURE;
} else if (0 === aEventString.indexOf("P2P-GROUP-FORMATION-SUCCESS")) {
id = EVENT_P2P_GROUP_FORMATION_SUCCESS;
} else if (0 === aEventString.indexOf("P2P-FIND-STOPPED")) {
id = EVENT_P2P_FIND_STOPPED;
} else if (0 === aEventString.indexOf("P2P-INVITATION-RESULT")) {
id = EVENT_P2P_INVITATION_RESULT;
info.status = /status=([0-9]+)/.exec(aEventString)[1];
} else if (0 === aEventString.indexOf("P2P-INVITATION-RECEIVED")) {
// e.g. "P2P-INVITATION-RECEIVED sa=32:85:a9:da:e6:1f persistent=7".
id = EVENT_P2P_INVITATION_RECEIVED;
info.address = /sa=([0-9a-f:]+)/.exec(aEventString)[1];
info.netId = /persistent=([0-9]+)/.exec(aEventString)[1];
} else if (0 === aEventString.indexOf("P2P-PROV-DISC-FAILURE")) {
id = EVENT_P2P_PROV_DISC_FAILURE;
} else {
// Not P2P event but we do receive it. Try to recognize it.
if (0 === aEventString.indexOf("AP-STA-DISCONNECTED")) {
id = EVENT_AP_STA_DISCONNECTED;
info.address = tokens[1];
} else if (0 === aEventString.indexOf("AP-STA-CONNECTED")) {
id = EVENT_AP_STA_CONNECTED;
info.address = tokens[1];
} else {
// Neither P2P event nor recognized supplicant event.
debug('Unknwon event string: ' + aEventString);
}
}
let event = {id: id, info: info};
debug('Event parsing result: ' + aEventString + ": " + JSON.stringify(event));
return event;
}
function isIgnoredEvent(aEventString) {
const IGNORED_EVENTS = [
"CTRL-EVENT-BSS-ADDED",
"CTRL-EVENT-BSS-REMOVED",
"CTRL-EVENT-SCAN-RESULTS",
"CTRL-EVENT-STATE-CHANGE",
"WPS-AP-AVAILABLE",
"WPS-ENROLLEE-SEEN"
];
for(let i = 0; i < IGNORED_EVENTS.length; i++) {
if (0 === aEventString.indexOf(IGNORED_EVENTS[i])) {
return true;
}
}
return false;
}
function isPeerGroupOwner(aGroupFlag) {
return (aGroupFlag & GROUP_CAPAB_GROUP_OWNER) !== 0;
}
// Convert flag to a wps capability array.
//
// @param aWpsFlag Number that represents the wps capabilities.
// @return Array of WPS flag.
function wpsFlagToCapabilities(aWpsFlag) {
let wpsCapabilities = [];
if (aWpsFlag & 0x8) {
wpsCapabilities.push(WPS_METHOD_DISPLAY);
}
if (aWpsFlag & 0x80) {
wpsCapabilities.push(WPS_METHOD_PBC);
}
if (aWpsFlag & 0x100) {
wpsCapabilities.push(WPS_METHOD_KEYPAD);
}
return wpsCapabilities;
}
_stateMachine.start();
return manager;
};
function P2pStateMachine(aP2pCommand, aNetUtil) {
function debug(aMsg) {
if (gDebug) {
dump('-------------- WifiP2pStateMachine: ' + aMsg);
}
}
let p2pSm = {}; // The state machine to return.
let _sm = StateMachine('WIFIP2P'); // The general purpose state machine.
// Information we need to keep track across states.
let _observer;
let _onEnabled;
let _onDisabled;
let _onSupplicantConnected;
let _savedConfig = {}; // Configuration used to do P2P_CONNECT.
let _groupInfo = {}; // The information of the group we have formed.
let _removedGroupInfo = {}; // Used to store the group info we are going to remove.
let _scanBlocked = false;
let _scanPostponded = false;
let _localDevice = {
address: "",
deviceName: DEFAULT_P2P_DEVICE_NAME + "_" + libcutils.property_get("ro.build.product"),
wpsCapabilities: [WPS_METHOD_PBC, WPS_METHOD_KEYPAD, WPS_METHOD_DISPLAY]
};
let _p2pNetworkInterface = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsINetworkInterface]),
state: Ci.nsINetworkInterface.NETWORK_STATE_DISCONNECTED,
type: Ci.nsINetworkInterface.NETWORK_TYPE_WIFI_P2P,
name: P2P_INTERFACE_NAME,
ips: [],
prefixLengths: [],
dnses: [],
gateways: [],
httpProxyHost: null,
httpProxyPort: null,
// help
registered: false,
getAddresses: function (ips, prefixLengths) {
ips.value = this.ips.slice();
prefixLengths.value = this.prefixLengths.slice();
return this.ips.length;
},
getGateways: function (count) {
if (count) {
count.value = this.gateways.length;
}
return this.gateways.slice();
},
getDnses: function (count) {
if (count) {
count.value = this.dnses.length;
}
return this.dnses.slice();
}
};
//---------------------------------------------------------
// State machine APIs.
//---------------------------------------------------------
// Register the observer which is implemented in WifiP2pWorkerObserver.jsm.
//
// @param aObserver:
// .onEnabled
// .onDisbaled
// .onPeerFound
// .onPeerLost
// .onConnecting
// .onConnected
// .onDisconnected
// .onLocalDeviceChanged
p2pSm.setObserver = function(aObserver) {
_observer = aObserver;
};
p2pSm.start = function() {
_sm.start(stateDisabled);
};
p2pSm.sendEvent = function(aEvent) {
let willBeHandled = isInP2pManagedState(_sm.getCurrentState());
_sm.sendEvent(aEvent);
return willBeHandled;
};
// Initialize internal state machine _sm.
_sm.setDefaultEventHandler(handleEventCommon);
//----------------------------------------------------------
// State definition.
//----------------------------------------------------------
// The initial state.
var stateDisabled = _sm.makeState("DISABLED", {
enter: function() {
_onEnabled = null;
_onSupplicantConnected = null;
_savedConfig = null;
_groupInfo = null;
_removedGroupInfo = null;
_scanBlocked = false;
_scanPostponded = false;
unregisterP2pNetworkInteface();
},
handleEvent: function(aEvent) {
switch (aEvent.id) {
case EVENT_P2P_CMD_ENABLE:
_onEnabled = aEvent.info.onEnabled;
_onSupplicantConnected = aEvent.info.onSupplicantConnected;
_sm.gotoState(stateEnabling);
break;
default:
return false;
} // End of switch.
return true;
}
});
// The state where we are trying to enable wifi p2p.
var stateEnabling = _sm.makeState("ENABLING", {
enter: function() {
function onFailure()
{
_onEnabled(false);
_sm.gotoState(stateDisabled);
}
function onSuccess()
{
_onEnabled(true);
_sm.gotoState(stateInactive);
}
_sm.pause();
// Step 1: Connect to p2p0.
aP2pCommand.connectToSupplicant(function (status) {
let detail;
if (0 !== status) {
debug('Failed to connect to p2p0');
onFailure();
return;
}
debug('wpa_supplicant p2p0 connected!');
_onSupplicantConnected();
// Step 2: Get MAC address.
if (!_localDevice.address) {
aP2pCommand.getMacAddress(function (address) {
if (!address) {
debug('Failed to get MAC address....');
onFailure();
return;
}
debug('Got mac address: ' + address);
_localDevice.address = address;
_observer.onLocalDeviceChanged(_localDevice);
});
}
// Step 3: Enable p2p with the device name and wps methods.
detail = { deviceName: _localDevice.deviceName,
deviceType: libcutils.property_get("ro.moz.wifi.p2p_device_type") || DEFAULT_P2P_DEVICE_TYPE,
wpsMethods: libcutils.property_get("ro.moz.wifi.p2p_wps_methods") || DEFAULT_P2P_WPS_METHODS };
aP2pCommand.p2pEnable(detail, function (success) {
if (!success) {
debug('Failed to enable p2p');
onFailure();
return;
}
debug('P2P is enabled! Enabling net interface...');
// Step 4: Enable p2p0 net interface. wpa_supplicant may have
// already done it for us.
aNetUtil.enableInterface(P2P_INTERFACE_NAME, function (success) {
onSuccess();
});
});
});
},
handleEvent: function(aEvent) {
// We won't receive any event since all of them will be blocked.
return true;
}
});
// The state just after enabling wifi direct.
var stateInactive = _sm.makeState("INACTIVE", {
enter: function() {
registerP2pNetworkInteface();
if (_sm.getPreviousState() !== stateEnabling) {
_observer.onDisconnected(_savedConfig);
}
_savedConfig = null; // Used to connect p2p peer.
_groupInfo = null; // The information of the formed group.
},
handleEvent: function(aEvent) {
switch (aEvent.id) {
// Receiving the following 3 states implies someone is trying to
// connect to me.
case EVENT_P2P_PROV_DISC_PBC_REQ:
case EVENT_P2P_PROV_DISC_SHOW_PIN:
case EVENT_P2P_PROV_DISC_ENTER_PIN:
debug('Someone is trying to connect to me: ' + JSON.stringify(aEvent.info));
_savedConfig = {
name: aEvent.info.name,
address: aEvent.info.address,
wpsMethod: aEvent.info.wpsMethod,
goIntent: DEFAULT_GO_INTENT,
pin: aEvent.info.pin // EVENT_P2P_PROV_DISC_SHOW_PIN only.
};
_sm.gotoState(stateWaitingForConfirmation);
break;
// Connect to a peer.
case EVENT_P2P_CMD_CONNECT:
debug('Trying to connect to peer: ' + JSON.stringify(aEvent.info));
_savedConfig = {
address: aEvent.info.address,
wpsMethod: aEvent.info.wpsMethod,
goIntent: aEvent.info.goIntent
};
_sm.gotoState(stateProvisionDiscovery);
aEvent.info.onDoConnect(true);
break;
case EVENT_P2P_INVITATION_RECEIVED:
_savedConfig = {
address: aEvent.info.address,
wpsMethod: WPS_METHOD_PBC,
goIntent: DEFAULT_GO_INTENT,
netId: aEvent.info.netId
};
_sm.gotoState(stateWaitingForInvitationConfirmation);
break;
case EVENT_P2P_GROUP_STARTED:
// Most likely the peer just reinvoked a peristen group and succeeeded.
_savedConfig = { address: aEvent.info.goAddress };
_sm.pause();
handleGroupStarted(aEvent.info, function (success) {
_sm.resume();
});
break;
case EVENT_AP_STA_DISCONNECTED:
// We will hit this case when we used to be a group owner and
// requested to remove the group we owned.
break;
default:
return false;
} // End of switch.
return true;
},
});
// Waiting for user's confirmation.
var stateWaitingForConfirmation = _sm.makeState("WAITING_FOR_CONFIRMATION", {
timeoutTimer: null,
enter: function() {
gSysMsgr.broadcastMessage(PAIRING_REQUEST_SYS_MSG, _savedConfig);
this.timeoutTimer = initTimeoutTimer(30000, EVENT_TIMEOUT_PAIRING_CONFIRMATION);
},
handleEvent: function(aEvent) {
switch (aEvent.id) {
case EVENT_P2P_SET_PAIRING_CONFIRMATION:
if (!aEvent.info.accepted) {
debug('User rejected this request');
_sm.gotoState(stateInactive); // Reset to inactive state.
break;
}
debug('User accepted this request');
// The only information we may have to grab from user.
_savedConfig.pin = aEvent.info.pin;
// The case that user requested to form a group ealier on.
// Just go to connecting state and do p2p_connect.
if (_sm.getPreviousState() === stateProvisionDiscovery) {
_sm.gotoState(stateConnecting);
break;
}
// Otherwise, wait for EVENT_P2P_GO_NEG_REQUEST.
_sm.gotoState(stateWaitingForNegReq);
break;
case EVENT_TIMEOUT_PAIRING_CONFIRMATION:
debug('Confirmation timeout!');
_sm.gotoState(stateInactive);
break;
case EVENT_P2P_GO_NEG_REQUEST:
_sm.deferEvent(aEvent);
break;
default:
return false;
} // End of switch.
return true;
},
exit: function() {
this.timeoutTimer.cancel();
this.timeoutTimer = null;
}
});
var stateWaitingForNegReq = _sm.makeState("WAITING_FOR_NEG_REQ", {
timeoutTimer: null,
enter: function() {
debug('Wait for EVENT_P2P_GO_NEG_REQUEST');
this.timeoutTimer = initTimeoutTimer(30000, EVENT_TIMEOUT_NEG_REQ);
},
handleEvent: function(aEvent) {
switch (aEvent.id) {
case EVENT_P2P_GO_NEG_REQUEST:
if (aEvent.info.wpsMethod !== _savedConfig.wpsMethod) {
debug('Unmatched wps method: ' + aEvent.info.wpsMethod + ", " + _savedConfig.wpsMetho);
}
_sm.gotoState(stateConnecting);
break;
case EVENT_TIMEOUT_NEG_REQ:
debug("Waiting for NEG-REQ timeout");
_sm.gotoState(stateInactive);
break;
default:
return false;
} // End of switch.
return true;
},
exit: function() {
this.timeoutTimer.cancel();
this.timeoutTimer = null;
}
});
// Waiting for user's confirmation for invitation.
var stateWaitingForInvitationConfirmation = _sm.makeState("WAITING_FOR_INV_CONFIRMATION", {
timeoutTimer: null,
enter: function() {
gSysMsgr.broadcastMessage(PAIRING_REQUEST_SYS_MSG, _savedConfig);
this.timeoutTimer = initTimeoutTimer(30000, EVENT_TIMEOUT_PAIRING_CONFIRMATION);
},
handleEvent: function(aEvent) {
switch (aEvent.id) {
case EVENT_P2P_SET_PAIRING_CONFIRMATION:
if (!aEvent.info.accepted) {
debug('User rejected this request');
_sm.gotoState(stateInactive); // Reset to inactive state.
break;
}
debug('User accepted this request');
_sm.pause();
aP2pCommand.p2pGetGroupCapab(_savedConfig.address, function (gc) {
let isPeeGroupOwner = gc & GROUP_CAPAB_GROUP_OWNER;
_sm.gotoState(isPeeGroupOwner ? stateGroupAdding : stateReinvoking);
});
break;
case EVENT_TIMEOUT_PAIRING_CONFIRMATION:
debug('Confirmation timeout!');
_sm.gotoState(stateInactive);
break;
default:
return false;
} // End of switch.
return true;
},
exit: function() {
this.timeoutTimer.cancel();
this.timeoutTimer = null;
}
});
var stateGroupAdding = _sm.makeState("GROUP_ADDING", {
timeoutTimer: null,
enter: function() {
let self = this;
_observer.onConnecting(_savedConfig);
_sm.pause();
aP2pCommand.p2pGroupAdd(_savedConfig.netId, function (success) {
if (!success) {
_sm.gotoState(stateInactive);
return;
}
// Waiting for EVENT_P2P_GROUP_STARTED.
self.timeoutTimer = initTimeoutTimer(60000, EVENT_TIMEOUT_CONNECTING);
_sm.resume();
});
},
handleEvent: function(aEvent) {
switch (aEvent.id) {
case EVENT_P2P_GROUP_STARTED:
_sm.pause();
handleGroupStarted(aEvent.info, function (success) {
_sm.resume();
});
break;
case EVENT_P2P_GO_NEG_FAILURE:
debug('Negotiation failure. Go back to inactive state');
_sm.gotoState(stateInactive);
break;
case EVENT_TIMEOUT_CONNECTING:
debug('Connecting timeout! Go back to inactive state');
_sm.gotoState(stateInactive);
break;
case EVENT_P2P_GROUP_FORMATION_SUCCESS:
case EVENT_P2P_GO_NEG_SUCCESS:
break;
case EVENT_P2P_GROUP_FORMATION_FAILURE:
debug('Group formation failure');
_sm.gotoState(stateInactive);
break;
case EVENT_P2P_GROUP_REMOVED:
debug('Received P2P-GROUP-REMOVED due to previous failed handleGroupdStarted()');
_removedGroupInfo = {
role: aEvent.info.role,
ifname: aEvent.info.ifname
};
_sm.gotoState(stateDisconnecting);
break;
default:
return false;
} // End of switch.
return true;
},
exit: function() {
this.timeoutTimer.cancel();
this.timeoutTimer = null;
}
});
var stateReinvoking = _sm.makeState("REINVOKING", {
timeoutTimer: null,
enter: function() {
let self = this;
_observer.onConnecting(_savedConfig);
_sm.pause();
aP2pCommand.p2pReinvoke(_savedConfig.netId, _savedConfig.address, function(success) {
if (!success) {
_sm.gotoState(stateInactive);
return;
}
// Waiting for EVENT_P2P_GROUP_STARTED.
self.timeoutTimer = initTimeoutTimer(60000, EVENT_TIMEOUT_CONNECTING);
_sm.resume();
});
},
handleEvent: function(aEvent) {
switch (aEvent.id) {
case EVENT_P2P_GROUP_STARTED:
_sm.pause();
handleGroupStarted(aEvent.info, function(success) {
_sm.resume();
});
break;
case EVENT_P2P_GO_NEG_FAILURE:
debug('Negotiation failure. Go back to inactive state');
_sm.gotoState(stateInactive);
break;
case EVENT_TIMEOUT_CONNECTING:
debug('Connecting timeout! Go back to inactive state');
_sm.gotoState(stateInactive);
break;
case EVENT_P2P_GROUP_FORMATION_SUCCESS:
case EVENT_P2P_GO_NEG_SUCCESS:
break;
case EVENT_P2P_GROUP_FORMATION_FAILURE:
debug('Group formation failure');
_sm.gotoState(stateInactive);
break;
case EVENT_P2P_GROUP_REMOVED:
debug('Received P2P-GROUP-REMOVED due to previous failed handleGroupdStarted()');
_removedGroupInfo = {
role: aEvent.info.role,
ifname: aEvent.info.ifname
};
_sm.gotoState(stateDisconnecting);
break;
default:
return false;
} // End of switch.
return true;
},
exit: function() {
this.timeoutTimer.cancel();
}
});
var stateProvisionDiscovery = _sm.makeState("PROVISION_DISCOVERY", {
enter: function() {
function onDiscoveryCommandSent(success) {
if (!success) {
_sm.gotoState(stateInactive);
debug('Failed to send p2p_prov_disc. Go back to inactive state.');
return;
}
debug('p2p_prov_disc has been sent.');
_sm.resume();
// Waiting for EVENT_P2P_PROV_DISC_PBC_RESP or
// EVENT_P2P_PROV_DISC_SHOW_PIN or
// EVENT_P2P_PROV_DISC_ENTER_PIN.
}
_sm.pause();
aP2pCommand.p2pProvDiscovery(_savedConfig.address,
toPeerWpsMethod(_savedConfig.wpsMethod),
onDiscoveryCommandSent);
},
handleEvent: function(aEvent) {
switch (aEvent.id) {
case EVENT_P2P_PROV_DISC_PBC_RESP:
_sm.gotoState(stateConnecting); // No need for local user grant.
break;
case EVENT_P2P_PROV_DISC_SHOW_PIN:
case EVENT_P2P_PROV_DISC_ENTER_PIN:
if (aEvent.info.wpsMethod !== _savedConfig.wpsMethod) {
debug('Unmatched wps method: ' + aEvent.info.wpsMethod + ":" + _savedConfig.wpsMethod);
}
if (EVENT_P2P_PROV_DISC_SHOW_PIN === aEvent.id) {
_savedConfig.pin = aEvent.info.pin;
}
_sm.gotoState(stateWaitingForConfirmation);
break;
case EVENT_P2P_PROV_DISC_FAILURE:
_sm.gotoState(stateInactive);
break;
default:
return false;
} // End of switch.
return true;
}
});
// We are going to connect to the peer.
// |_savedConfig| is supposed to have been filled properly.
var stateConnecting = _sm.makeState("CONNECTING", {
timeoutTimer: null,
enter: function() {
let self = this;
if (null === _savedConfig.goIntent) {
_savedConfig.goIntent = DEFAULT_GO_INTENT;
}
_observer.onConnecting(_savedConfig);
let wpsMethodWithPin;
if (WPS_METHOD_KEYPAD === _savedConfig.wpsMethod ||
WPS_METHOD_DISPLAY === _savedConfig.wpsMethod) {
// e.g. '12345678 display or '12345678 keypad'.
wpsMethodWithPin = (_savedConfig.pin + ' ' + _savedConfig.wpsMethod);
} else {
// e.g. 'pbc'.
wpsMethodWithPin = _savedConfig.wpsMethod;
}
_sm.pause();
aP2pCommand.p2pGetGroupCapab(_savedConfig.address, function(gc) {
debug('group capabilities of ' + _savedConfig.address + ': ' + gc);
let isPeerGroupOwner = gc & GROUP_CAPAB_GROUP_OWNER;
let config = { address: _savedConfig.address,
wpsMethodWithPin: wpsMethodWithPin,
goIntent: _savedConfig.goIntent,
joinExistingGroup: isPeerGroupOwner };
aP2pCommand.p2pConnect(config, function (success) {
if (!success) {
debug('Failed to send p2p_connect');
_sm.gotoState(stateInactive);
return;
}
debug('Waiting for EVENT_P2P_GROUP_STARTED.');
self.timeoutTimer = initTimeoutTimer(60000, EVENT_TIMEOUT_CONNECTING);
_sm.resume();
});
});
},
handleEvent: function(aEvent) {
switch (aEvent.id) {
case EVENT_P2P_GROUP_STARTED:
_sm.pause();
handleGroupStarted(aEvent.info, function (success) {
_sm.resume();
});
break;
case EVENT_P2P_GO_NEG_FAILURE:
debug('Negotiation failure. Go back to inactive state');
_sm.gotoState(stateInactive);
break;
case EVENT_TIMEOUT_CONNECTING:
debug('Connecting timeout! Go back to inactive state');
_sm.gotoState(stateInactive);
break;
case EVENT_P2P_GROUP_FORMATION_SUCCESS:
case EVENT_P2P_GO_NEG_SUCCESS:
break;
case EVENT_P2P_GROUP_FORMATION_FAILURE:
debug('Group formation failure');
_sm.gotoState(stateInactive);
break;
case EVENT_P2P_GROUP_REMOVED:
debug('Received P2P-GROUP-REMOVED due to previous failed ' +
'handleGroupdStarted()');
_removedGroupInfo = {
role: aEvent.info.role,
ifname: aEvent.info.ifname
};
_sm.gotoState(stateDisconnecting);
break;
default:
return false;
} // End of switch.
return true;
},
exit: function() {
this.timeoutTimer.cancel();
}
});
var stateConnected = _sm.makeState("CONNECTED", {
groupOwner: null,
enter: function() {
this.groupOwner = {
macAddress: _groupInfo.goAddress,
ipAddress: _groupInfo.networkInterface.gateway,
passphrase: _groupInfo.passphrase,
ssid: _groupInfo.ssid,
freq: _groupInfo.freq,
isLocal: _groupInfo.isGroupOwner
};
if (!_groupInfo.isGroupOwner) {
_observer.onConnected(this.groupOwner, _savedConfig);
} else {
// If I am a group owner, notify onConnected until EVENT_AP_STA_CONNECTED
// is received.
}
_removedGroupInfo = null;
},
handleEvent: function(aEvent) {
switch (aEvent.id) {
case EVENT_AP_STA_CONNECTED:
if (_groupInfo.isGroupOwner) {
_observer.onConnected(this.groupOwner, _savedConfig);
}
break;
case EVENT_P2P_GROUP_REMOVED:
_removedGroupInfo = {
role: aEvent.info.role,
ifname: aEvent.info.ifname
};
_sm.gotoState(stateDisconnecting);
break;
case EVENT_AP_STA_DISCONNECTED:
debug('Client disconnected: ' + aEvent.info.address);
// Now we suppose it's the only client. Remove my group.
_sm.pause();
aP2pCommand.p2pGroupRemove(_groupInfo.ifname, function (success) {
debug('Requested to remove p2p group. Wait for EVENT_P2P_GROUP_REMOVED.');
_sm.resume();
});
break;
case EVENT_P2P_CMD_DISCONNECT:
// Since we only support single connection, we can ignore
// the given peer address.
_sm.pause();
aP2pCommand.p2pGroupRemove(_groupInfo.ifname, function(success) {
aEvent.info.onDoDisconnect(true);
_sm.resume();
});
debug('Sent disconnect command. Wait for EVENT_P2P_GROUP_REMOVED.');
break;
case EVENT_P2P_PROV_DISC_PBC_REQ:
case EVENT_P2P_PROV_DISC_SHOW_PIN:
case EVENT_P2P_PROV_DISC_ENTER_PIN:
debug('Someone is trying to connect to me: ' + JSON.stringify(aEvent.info));
_savedConfig = {
name: aEvent.info.name,
address: aEvent.info.address,
wpsMethod: aEvent.info.wpsMethod,
pin: aEvent.info.pin
};
_sm.gotoState(stateWaitingForJoiningConfirmation);
break;
default:
return false;
} // end of switch
return true;
}
});
var stateWaitingForJoiningConfirmation = _sm.makeState("WAITING_FOR_JOINING_CONFIRMATION", {
timeoutTimer: null,
enter: function() {
gSysMsgr.broadcastMessage(PAIRING_REQUEST_SYS_MSG, _savedConfig);
this.timeoutTimer = initTimeoutTimer(30000, EVENT_TIMEOUT_PAIRING_CONFIRMATION);
},
handleEvent: function (aEvent) {
switch (aEvent.id) {
case EVENT_P2P_SET_PAIRING_CONFIRMATION:
if (!aEvent.info.accepted) {
debug('User rejected invitation!');
_sm.gotoState(stateConnected);
break;
}
let onWpsCommandSent = function(success) {
_observer.onConnecting(_savedConfig);
_sm.gotoState(stateConnected);
};
_sm.pause();
if (WPS_METHOD_PBC === _savedConfig.wpsMethod) {
aP2pCommand.wpsPbc(onWpsCommandSent, _groupInfo.ifname);
} else {
let detail = { pin: _savedConfig.pin, iface: _groupInfo.ifname };
aP2pCommand.wpsPin(detail, onWpsCommandSent);
}
break;
case EVENT_TIMEOUT_PAIRING_CONFIRMATION:
debug('WAITING_FOR_JOINING_CONFIRMATION timeout!');
_sm.gotoState(stateConnected);
break;
default:
return false;
} // End of switch.
return true;
},
exit: function() {
this.timeoutTimer.cancel();
this.timeoutTimer = null;
}
});
var stateDisconnecting = _sm.makeState("DISCONNECTING", {
enter: function() {
_sm.pause();
handleGroupRemoved(_removedGroupInfo, function (success) {
if (!success) {
debug('Failed to handle group removed event. What can I do?');
}
_sm.gotoState(stateInactive);
});
},
handleEvent: function(aEvent) {
return false; // We will not receive any event in this state.
}
});
var stateDisabling = _sm.makeState("DISABLING", {
enter: function() {
_sm.pause();
aNetUtil.stopDhcpServer(function (success) { // Stopping DHCP server is harmless.
debug('Stop DHCP server result: ' + success);
aP2pCommand.p2pDisable(function(success) {
debug('P2P function disabled');
aP2pCommand.closeSupplicantConnection(function (status) {
debug('Supplicant connection closed');
aNetUtil.disableInterface(P2P_INTERFACE_NAME, function (success){
debug('Disabled interface: ' + P2P_INTERFACE_NAME);
_onDisabled(true);
_sm.gotoState(stateDisabled);
});
});
});
});
},
handleEvent: function(aEvent) {
return false; // We will not receive any event in this state.
}
});
//----------------------------------------------------------
// Helper functions.
//----------------------------------------------------------
// Handle 'P2P_GROUP_STARTED' event. Note that this function
// will also do the state transitioning and error handling.
//
// @param aInfo Information carried by "P2P_GROUP_STARTED" event:
// .role: P2P_ROLE_GO or P2P_ROLE_CLIENT
// .ssid:
// .freq:
// .passphrase: Used to connect to GO for legacy device.
// .goAddress:
// .ifname: e.g. p2p-p2p0
//
// @param aCallback Callback function.
function handleGroupStarted(aInfo, aCallback) {
debug('handleGroupStarted: ' + JSON.stringify(aInfo));
function onSuccess()
{
_sm.gotoState(stateConnected);
aCallback(true);
}
function onFailure()
{
debug('Failed to handleGroupdStarted(). Remove the group...');
aP2pCommand.p2pGroupRemove(aInfo.ifname, function (success) {
aCallback(false);
if (success) {
return; // Stay in current state and wait for EVENT_P2P_GROUP_REMOVED.
}
debug('p2pGroupRemove command error!');
_sm.gotoState(stateInactive);
});
}
// Save this group information.
_groupInfo = aInfo;
_groupInfo.isGroupOwner = (P2P_ROLE_GO === aInfo.role);
if (_groupInfo.isGroupOwner) {
debug('Group owner. Start DHCP server');
let dhcpServerConfig = { ifname: aInfo.ifname,
startIp: GO_DHCP_SERVER_IP_RANGE.startIp,
endIp: GO_DHCP_SERVER_IP_RANGE.endIp,
serverIp: GO_NETWORK_INTERFACE.ip,
maskLength: GO_NETWORK_INTERFACE.maskLength };
aNetUtil.startDhcpServer(dhcpServerConfig, function (success) {
if (!success) {
debug('Failed to start DHCP server');
onFailure();
return;
}
// Update p2p network interface.
_p2pNetworkInterface.state = Ci.nsINetworkInterface.NETWORK_STATE_CONNECTED;
_p2pNetworkInterface.ips = [GO_NETWORK_INTERFACE.ip];
_p2pNetworkInterface.prefixLengths = [GO_NETWORK_INTERFACE.maskLength];
_p2pNetworkInterface.gateways = [GO_NETWORK_INTERFACE.ip];
handleP2pNetworkInterfaceStateChanged();
_groupInfo.networkInterface = _p2pNetworkInterface;
debug('Everything is done. Happy p2p GO~');
onSuccess();
});
return;
}
// We are the client.
debug("Client. Request IP from DHCP server on interface: " + _groupInfo.ifname);
aNetUtil.runDhcp(aInfo.ifname, function(dhcpData) {
if(!dhcpData || !dhcpData.info) {
debug('Failed to run DHCP client');
onFailure();
return;
}
// Save network interface.
debug("DHCP request success: " + JSON.stringify(dhcpData.info));
// Update p2p network interface.
let maskLength =
netHelpers.getMaskLength(netHelpers.stringToIP(dhcpData.info.mask_str));
if (!maskLength) {
maskLength = 32; // max prefix for IPv4.
}
_p2pNetworkInterface.state = Ci.nsINetworkInterface.NETWORK_STATE_CONNECTED;
_p2pNetworkInterface.ips = [dhcpData.info.ipaddr_str];
_p2pNetworkInterface.prefixLengths = [maskLength];
if (typeof dhcpData.info.dns1_str == "string" &&
dhcpData.info.dns1_str.length) {
_p2pNetworkInterface.dnses.push(dhcpData.info.dns1_str);
}
if (typeof dhcpData.info.dns2_str == "string" &&
dhcpData.info.dns2_str.length) {
_p2pNetworkInterface.dnses.push(dhcpData.info.dns2_str);
}
_p2pNetworkInterface.gateways = [dhcpData.info.gateway_str];
handleP2pNetworkInterfaceStateChanged();
_groupInfo.networkInterface = _p2pNetworkInterface;
debug('Happy p2p client~');
onSuccess();
});
}
function resetP2pNetworkInterface() {
_p2pNetworkInterface.state = Ci.nsINetworkInterface.NETWORK_STATE_DISCONNECTED;
_p2pNetworkInterface.ips = [];
_p2pNetworkInterface.prefixLengths = [];
_p2pNetworkInterface.dnses = [];
_p2pNetworkInterface.gateways = [];
}
function registerP2pNetworkInteface() {
if (!_p2pNetworkInterface.registered) {
resetP2pNetworkInterface();
gNetworkManager.registerNetworkInterface(_p2pNetworkInterface);
_p2pNetworkInterface.registered = true;
}
}
function unregisterP2pNetworkInteface() {
if (_p2pNetworkInterface.registered) {
resetP2pNetworkInterface();
gNetworkManager.unregisterNetworkInterface(_p2pNetworkInterface);
_p2pNetworkInterface.registered = false;
}
}
function handleP2pNetworkInterfaceStateChanged() {
Services.obs.notifyObservers(_p2pNetworkInterface,
kNetworkInterfaceStateChangedTopic,
null);
}
// Handle 'P2P_GROUP_STARTED' event.
//
// @param aInfo information carried by "P2P_GROUP_REMOVED" event:
// .ifname
// .role: "GO" or "client".
//
// @param aCallback Callback function.
function handleGroupRemoved(aInfo, aCallback) {
if (!_groupInfo) {
debug('No group info. Why?');
aCallback(true);
return;
}
if (_groupInfo.ifname !== aInfo.ifname ||
_groupInfo.role !== aInfo.role) {
debug('Unmatched group info: ' + JSON.stringify(_groupInfo) +
' v.s. ' + JSON.stringify(aInfo));
}
// Update p2p network interface.
_p2pNetworkInterface.state = Ci.nsINetworkInterface.NETWORK_STATE_DISCONNECTED;
handleP2pNetworkInterfaceStateChanged();
if (P2P_ROLE_GO === aInfo.role) {
aNetUtil.stopDhcpServer(function(success) {
debug('Stop DHCP server result: ' + success);
aCallback(true);
});
} else {
aNetUtil.stopDhcp(aInfo.ifname, function() {
aCallback(true);
});
}
}
// Non state-specific event handler.
function handleEventCommon(aEvent) {
switch (aEvent.id) {
case EVENT_P2P_DEVICE_FOUND:
_observer.onPeerFound(aEvent.info);
break;
case EVENT_P2P_DEVICE_LOST:
_observer.onPeerLost(aEvent.info);
break;
case EVENT_P2P_CMD_DISABLE:
_onDisabled = aEvent.info.onDisabled;
_sm.gotoState(stateDisabling);
break;
case EVENT_P2P_CMD_ENABLE_SCAN:
if (_scanBlocked) {
_scanPostponded = true;
aEvent.info.callback(true);
break;
}
aP2pCommand.p2pEnableScan(P2P_SCAN_TIMEOUT_SEC, aEvent.info.callback);
break;
case EVENT_P2P_CMD_DISABLE_SCAN:
aP2pCommand.p2pDisableScan(aEvent.info.callback);
break;
case EVENT_P2P_FIND_STOPPED:
break;
case EVENT_P2P_CMD_BLOCK_SCAN:
_scanBlocked = true;
aP2pCommand.p2pDisableScan(function(success) {});
break;
case EVENT_P2P_CMD_UNBLOCK_SCAN:
_scanBlocked = false;
if (_scanPostponded) {
aP2pCommand.p2pEnableScan(P2P_SCAN_TIMEOUT_SEC, function(success) {});
}
break;
case EVENT_P2P_CMD_CONNECT:
case EVENT_P2P_CMD_DISCONNECT:
debug("The current state couldn't handle connect/disconnect request. Ignore it.");
break;
default:
return false;
} // End of switch.
return true;
}
function isInP2pManagedState(aState) {
let p2pManagedStates = [stateWaitingForConfirmation,
stateWaitingForNegReq,
stateProvisionDiscovery,
stateWaitingForInvitationConfirmation,
stateGroupAdding,
stateReinvoking,
stateConnecting,
stateConnected,
stateDisconnecting];
for (let i = 0; i < p2pManagedStates.length; i++) {
if (aState === p2pManagedStates[i]) {
return true;
}
}
return false;
}
function initTimeoutTimer(aTimeoutMs, aTimeoutEvent) {
let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
function onTimerFired() {
_sm.sendEvent({ id: aTimeoutEvent });
timer = null;
}
timer.initWithCallback(onTimerFired.bind(this), aTimeoutMs,
Ci.nsITimer.TYPE_ONE_SHOT);
return timer;
}
// Converts local WPS method to peer WPS method.
function toPeerWpsMethod(aLocalWpsMethod) {
switch (aLocalWpsMethod) {
case WPS_METHOD_DISPLAY:
return WPS_METHOD_KEYPAD;
case WPS_METHOD_KEYPAD:
return WPS_METHOD_DISPLAY;
case WPS_METHOD_PBC:
return WPS_METHOD_PBC;
default:
return WPS_METHOD_PBC; // Use "push button" as the default method.
}
}
return p2pSm;
}
this.WifiP2pManager.INTERFACE_NAME = P2P_INTERFACE_NAME;
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