Bug 743941 - Some small fixes to state tracking. Also move some logic out of the manager. r=cjones

dom/wifi/WifiWorker.js

@@ -443,8 +443,7 @@ var WifiManager = (function() {
 
   function stopDhcp(ifname, callback) {
     controlMessage({ cmd: "dhcp_stop", ifname: ifname }, function(data) {
-      if (!data.status)
-        dhcpInfo = null;
+      dhcpInfo = null;
       notify("dhcplost");
       callback(!data.status);
     });
@@ -452,8 +451,7 @@ var WifiManager = (function() {
 
   function releaseDhcpLease(ifname, callback) {
     controlMessage({ cmd: "dhcp_release_lease", ifname: ifname }, function(data) {
-      if (!data.status)
-        dhcpInfo = null;
+      dhcpInfo = null;
       notify("dhcplost");
       callback(!data.status);
     });
@@ -499,11 +497,6 @@ var WifiManager = (function() {
     fields.prevState = manager.state;
     manager.state = fields.state;
 
-    // If we got disconnected, kill the DHCP client in preparation for
-    // reconnection.
-    if (fields.state === "DISCONNECTED" && dhcpInfo)
-      stopDhcp(manager.ifname, function() {});
-
     notify("statechange", fields);
   }
 
@@ -580,6 +573,16 @@ var WifiManager = (function() {
     notify("supplicantlost");
   }
 
+  manager.connectionDropped = function(callback) {
+    // If we got disconnected, kill the DHCP client in preparation for
+    // reconnection.
+    resetConnections(manager.ifname, function() {
+      stopDhcp(manager.ifname, function() {
+        callback();
+      });
+    });
+  }
+
   manager.start = function() {
     debug("detected SDK version " + sdkVersion);
 
@@ -722,9 +725,9 @@ var WifiManager = (function() {
       return false;
     }
     if (eventData.indexOf("CTRL-EVENT-DISCONNECTED") === 0) {
-      notifyStateChange({ state: "DISCONNECTED" });
       manager.connectionInfo.bssid = null;
       manager.connectionInfo.ssid = null;
+      manager.connectionInfo.id = -1;
       return true;
     }
     if (eventData.indexOf("CTRL-EVENT-CONNECTED") === 0) {
@@ -869,11 +872,13 @@ var WifiManager = (function() {
       // supplicant gracefully, then we need to continue telling it to die
       // until it does.
       terminateSupplicant(function (ok) {
-        stopSupplicant(function (status) {
-          manager.state = "UNINITIALIZED";
-          closeSupplicantConnection(function () {
-            disableInterface(manager.ifname, function (ok) {
-              unloadDriver(callback);
+        manager.connectionDropped(function () {
+          stopSupplicant(function (status) {
+            manager.state = "UNINITIALIZED";
+            closeSupplicantConnection(function () {
+              disableInterface(manager.ifname, function (ok) {
+                unloadDriver(callback);
+              });
             });
           });
         });
@@ -1230,6 +1235,12 @@ function WifiWorker() {
         self._fireEvent("onconnecting", { network: netToDOM(self.currentNetwork) });
         break;
       case "ASSOCIATED":
+        if (!self.currentNetwork) {
+          self.currentNetwork =
+            { bssid: WifiManager.connectionInfo.bssid,
+              ssid: quote(WifiManager.connectionInfo.ssid) };
+        }
+
         self.currentNetwork.netId = this.id;
         WifiManager.getNetworkConfiguration(self.currentNetwork, function (){});
         break;
@@ -1251,7 +1262,7 @@ function WifiWorker() {
           // because of that we need to gather information about the current
           // network here.
           self.currentNetwork = { ssid: quote(WifiManager.connectionInfo.ssid),
-                                  known: true }
+                                  netId: WifiManager.connectionInfo.id };
           WifiManager.getNetworkConfiguration(self.currentNetwork, function(){});
         }
 
@@ -1264,12 +1275,14 @@ function WifiWorker() {
         self._fireEvent("ondisconnect", {});
         self.currentNetwork = null;
 
-        // We've disconnected from a network because of a call to forgetNetwork.
-        // Reconnect to the next available network (if any).
-        if (self._reconnectOnDisconnect) {
-          self._reconnectOnDisconnect = false;
-          WifiManager.reconnect(function(){});
-        }
+        WifiManager.connectionDropped(function() {
+          // We've disconnected from a network because of a call to forgetNetwork.
+          // Reconnect to the next available network (if any).
+          if (self._reconnectOnDisconnect) {
+            self._reconnectOnDisconnect = false;
+            WifiManager.reconnect(function(){});
+          }
+        });
 
         break;
     }
@@ -1683,7 +1696,7 @@ WifiWorker.prototype = {
     let self = this;
     let configured = this.configuredNetworks[ssid];
     this._reconnectOnDisconnect = (this.currentNetwork &&
-                                  (this.currentNetwork.ssid === ssid));
+                                   (this.currentNetwork.ssid === ssid));
     WifiManager.removeNetwork(configured.netId, function(ok) {
       if (!ok) {
         self._sendMessage(message, false, "Unable to remove the network", rid, mid);