import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

netwerk/base/Dashboard.cpp

@@ -0,0 +1,921 @@
+/* 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/. */
+
+#include "mozilla/dom/NetDashboardBinding.h"
+#include "mozilla/dom/ToJSValue.h"
+#include "mozilla/ErrorNames.h"
+#include "mozilla/net/Dashboard.h"
+#include "mozilla/net/HttpInfo.h"
+#include "nsHttp.h"
+#include "nsICancelable.h"
+#include "nsIDNSService.h"
+#include "nsIDNSRecord.h"
+#include "nsIInputStream.h"
+#include "nsISocketTransport.h"
+#include "nsIThread.h"
+#include "nsProxyRelease.h"
+#include "nsSocketTransportService2.h"
+#include "nsThreadUtils.h"
+#include "nsURLHelper.h"
+#include "mozilla/Logging.h"
+
+using mozilla::AutoSafeJSContext;
+using mozilla::dom::Sequence;
+using mozilla::dom::ToJSValue;
+
+namespace mozilla {
+namespace net {
+
+class SocketData
+    : public nsISupports
+{
+public:
+    NS_DECL_THREADSAFE_ISUPPORTS
+
+    SocketData()
+    {
+        mTotalSent = 0;
+        mTotalRecv = 0;
+        mThread = nullptr;
+    }
+
+    uint64_t mTotalSent;
+    uint64_t mTotalRecv;
+    nsTArray<SocketInfo> mData;
+    nsMainThreadPtrHandle<NetDashboardCallback> mCallback;
+    nsIThread *mThread;
+
+private:
+    virtual ~SocketData()
+    {
+    }
+};
+
+static void GetErrorString(nsresult rv, nsAString& errorString);
+
+NS_IMPL_ISUPPORTS0(SocketData)
+
+
+class HttpData
+    : public nsISupports
+{
+    virtual ~HttpData()
+    {
+    }
+
+public:
+    NS_DECL_THREADSAFE_ISUPPORTS
+
+    HttpData()
+    {
+        mThread = nullptr;
+    }
+
+    nsTArray<HttpRetParams> mData;
+    nsMainThreadPtrHandle<NetDashboardCallback> mCallback;
+    nsIThread *mThread;
+};
+
+NS_IMPL_ISUPPORTS0(HttpData)
+
+
+class WebSocketRequest
+    : public nsISupports
+{
+    virtual ~WebSocketRequest()
+    {
+    }
+
+public:
+    NS_DECL_THREADSAFE_ISUPPORTS
+
+    WebSocketRequest()
+    {
+        mThread = nullptr;
+    }
+
+    nsMainThreadPtrHandle<NetDashboardCallback> mCallback;
+    nsIThread *mThread;
+};
+
+NS_IMPL_ISUPPORTS0(WebSocketRequest)
+
+
+class DnsData
+    : public nsISupports
+{
+    virtual ~DnsData()
+    {
+    }
+
+public:
+    NS_DECL_THREADSAFE_ISUPPORTS
+
+    DnsData()
+    {
+        mThread = nullptr;
+    }
+
+    nsTArray<DNSCacheEntries> mData;
+    nsMainThreadPtrHandle<NetDashboardCallback> mCallback;
+    nsIThread *mThread;
+};
+
+NS_IMPL_ISUPPORTS0(DnsData)
+
+
+class ConnectionData
+    : public nsITransportEventSink
+    , public nsITimerCallback
+{
+    virtual ~ConnectionData()
+    {
+        if (mTimer) {
+            mTimer->Cancel();
+        }
+    }
+
+public:
+    NS_DECL_THREADSAFE_ISUPPORTS
+    NS_DECL_NSITRANSPORTEVENTSINK
+    NS_DECL_NSITIMERCALLBACK
+
+    void StartTimer(uint32_t aTimeout);
+    void StopTimer();
+
+    explicit ConnectionData(Dashboard *target)
+    {
+        mThread = nullptr;
+        mDashboard = target;
+    }
+
+    nsCOMPtr<nsISocketTransport> mSocket;
+    nsCOMPtr<nsIInputStream> mStreamIn;
+    nsCOMPtr<nsITimer> mTimer;
+    nsMainThreadPtrHandle<NetDashboardCallback> mCallback;
+    nsIThread *mThread;
+    Dashboard *mDashboard;
+
+    nsCString mHost;
+    uint32_t mPort;
+    const char *mProtocol;
+    uint32_t mTimeout;
+
+    nsString mStatus;
+};
+
+NS_IMPL_ISUPPORTS(ConnectionData, nsITransportEventSink, nsITimerCallback)
+
+NS_IMETHODIMP
+ConnectionData::OnTransportStatus(nsITransport *aTransport, nsresult aStatus,
+                                  int64_t aProgress, int64_t aProgressMax)
+{
+    if (aStatus == NS_NET_STATUS_CONNECTED_TO) {
+        StopTimer();
+    }
+
+    GetErrorString(aStatus, mStatus);
+    mThread->Dispatch(NewRunnableMethod<RefPtr<ConnectionData>>
+		      (mDashboard, &Dashboard::GetConnectionStatus, this),
+		      NS_DISPATCH_NORMAL);
+
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+ConnectionData::Notify(nsITimer *aTimer)
+{
+    MOZ_ASSERT(aTimer == mTimer);
+
+    if (mSocket) {
+        mSocket->Close(NS_ERROR_ABORT);
+        mSocket = nullptr;
+        mStreamIn = nullptr;
+    }
+
+    mTimer = nullptr;
+
+    mStatus.AssignLiteral(u"NS_ERROR_NET_TIMEOUT");
+    mThread->Dispatch(NewRunnableMethod<RefPtr<ConnectionData>>
+		      (mDashboard, &Dashboard::GetConnectionStatus, this),
+		      NS_DISPATCH_NORMAL);
+
+    return NS_OK;
+}
+
+void
+ConnectionData::StartTimer(uint32_t aTimeout)
+{
+    if (!mTimer) {
+        mTimer = do_CreateInstance("@mozilla.org/timer;1");
+    }
+
+    mTimer->InitWithCallback(this, aTimeout * 1000,
+        nsITimer::TYPE_ONE_SHOT);
+}
+
+void
+ConnectionData::StopTimer()
+{
+    if (mTimer) {
+        mTimer->Cancel();
+        mTimer = nullptr;
+    }
+}
+
+
+class LookupHelper;
+
+class LookupArgument
+    : public nsISupports
+{
+    virtual ~LookupArgument()
+    {
+    }
+
+public:
+    NS_DECL_THREADSAFE_ISUPPORTS
+
+    LookupArgument(nsIDNSRecord *aRecord, LookupHelper *aHelper)
+    {
+        mRecord = aRecord;
+        mHelper = aHelper;
+    }
+
+    nsCOMPtr<nsIDNSRecord> mRecord;
+    RefPtr<LookupHelper> mHelper;
+};
+
+NS_IMPL_ISUPPORTS0(LookupArgument)
+
+
+class LookupHelper
+    : public nsIDNSListener
+{
+    virtual ~LookupHelper()
+    {
+        if (mCancel) {
+            mCancel->Cancel(NS_ERROR_ABORT);
+        }
+    }
+
+public:
+    NS_DECL_THREADSAFE_ISUPPORTS
+    NS_DECL_NSIDNSLISTENER
+
+    LookupHelper() {
+    }
+
+    nsresult ConstructAnswer(LookupArgument *aArgument);
+public:
+    nsCOMPtr<nsICancelable> mCancel;
+    nsMainThreadPtrHandle<NetDashboardCallback> mCallback;
+    nsIThread *mThread;
+    nsresult mStatus;
+};
+
+NS_IMPL_ISUPPORTS(LookupHelper, nsIDNSListener)
+
+NS_IMETHODIMP
+LookupHelper::OnLookupComplete(nsICancelable *aRequest,
+                               nsIDNSRecord *aRecord, nsresult aStatus)
+{
+    MOZ_ASSERT(aRequest == mCancel);
+    mCancel = nullptr;
+    mStatus = aStatus;
+
+    RefPtr<LookupArgument> arg = new LookupArgument(aRecord, this);
+    mThread->Dispatch(NewRunnableMethod<RefPtr<LookupArgument>>
+		      (this, &LookupHelper::ConstructAnswer, arg),
+		      NS_DISPATCH_NORMAL);
+
+    return NS_OK;
+}
+
+nsresult
+LookupHelper::ConstructAnswer(LookupArgument *aArgument)
+{
+    nsIDNSRecord *aRecord = aArgument->mRecord;
+    AutoSafeJSContext cx;
+
+    mozilla::dom::DNSLookupDict dict;
+    dict.mAddress.Construct();
+
+    Sequence<nsString> &addresses = dict.mAddress.Value();
+
+    if (NS_SUCCEEDED(mStatus)) {
+        dict.mAnswer = true;
+        bool hasMore;
+        aRecord->HasMore(&hasMore);
+        while (hasMore) {
+            nsString* nextAddress = addresses.AppendElement(fallible);
+            if (!nextAddress) {
+                return NS_ERROR_OUT_OF_MEMORY;
+            }
+
+            nsCString nextAddressASCII;
+            aRecord->GetNextAddrAsString(nextAddressASCII);
+            CopyASCIItoUTF16(nextAddressASCII, *nextAddress);
+            aRecord->HasMore(&hasMore);
+        }
+    } else {
+        dict.mAnswer = false;
+        GetErrorString(mStatus, dict.mError);
+    }
+
+    JS::RootedValue val(cx);
+    if (!ToJSValue(cx, dict, &val)) {
+        return NS_ERROR_FAILURE;
+    }
+
+    this->mCallback->OnDashboardDataAvailable(val);
+
+    return NS_OK;
+}
+
+NS_IMPL_ISUPPORTS(Dashboard, nsIDashboard, nsIDashboardEventNotifier)
+
+Dashboard::Dashboard()
+{
+    mEnableLogging = false;
+}
+
+Dashboard::~Dashboard()
+{
+}
+
+NS_IMETHODIMP
+Dashboard::RequestSockets(NetDashboardCallback *aCallback)
+{
+    RefPtr<SocketData> socketData = new SocketData();
+    socketData->mCallback =
+        new nsMainThreadPtrHolder<NetDashboardCallback>(aCallback, true);
+    socketData->mThread = NS_GetCurrentThread();
+    gSocketTransportService->Dispatch(NewRunnableMethod<RefPtr<SocketData>>
+				      (this, &Dashboard::GetSocketsDispatch, socketData),
+				      NS_DISPATCH_NORMAL);
+    return NS_OK;
+}
+
+nsresult
+Dashboard::GetSocketsDispatch(SocketData *aSocketData)
+{
+    RefPtr<SocketData> socketData = aSocketData;
+    if (gSocketTransportService) {
+        gSocketTransportService->GetSocketConnections(&socketData->mData);
+        socketData->mTotalSent = gSocketTransportService->GetSentBytes();
+        socketData->mTotalRecv = gSocketTransportService->GetReceivedBytes();
+    }
+    socketData->mThread->Dispatch(NewRunnableMethod<RefPtr<SocketData>>
+				  (this, &Dashboard::GetSockets, socketData),
+				  NS_DISPATCH_NORMAL);
+    return NS_OK;
+}
+
+nsresult
+Dashboard::GetSockets(SocketData *aSocketData)
+{
+    RefPtr<SocketData> socketData = aSocketData;
+    AutoSafeJSContext cx;
+
+    mozilla::dom::SocketsDict dict;
+    dict.mSockets.Construct();
+    dict.mSent = 0;
+    dict.mReceived = 0;
+
+    Sequence<mozilla::dom::SocketElement> &sockets = dict.mSockets.Value();
+
+    uint32_t length = socketData->mData.Length();
+    if (!sockets.SetCapacity(length, fallible)) {
+            JS_ReportOutOfMemory(cx);
+            return NS_ERROR_OUT_OF_MEMORY;
+    }
+
+    for (uint32_t i = 0; i < socketData->mData.Length(); i++) {
+        dom::SocketElement &mSocket = *sockets.AppendElement(fallible);
+        CopyASCIItoUTF16(socketData->mData[i].host, mSocket.mHost);
+        mSocket.mPort = socketData->mData[i].port;
+        mSocket.mActive = socketData->mData[i].active;
+        mSocket.mTcp = socketData->mData[i].tcp;
+        mSocket.mSent = (double) socketData->mData[i].sent;
+        mSocket.mReceived = (double) socketData->mData[i].received;
+        dict.mSent += socketData->mData[i].sent;
+        dict.mReceived += socketData->mData[i].received;
+    }
+
+    dict.mSent += socketData->mTotalSent;
+    dict.mReceived += socketData->mTotalRecv;
+    JS::RootedValue val(cx);
+    if (!ToJSValue(cx, dict, &val))
+        return NS_ERROR_FAILURE;
+    socketData->mCallback->OnDashboardDataAvailable(val);
+
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+Dashboard::RequestHttpConnections(NetDashboardCallback *aCallback)
+{
+    RefPtr<HttpData> httpData = new HttpData();
+    httpData->mCallback =
+        new nsMainThreadPtrHolder<NetDashboardCallback>(aCallback, true);
+    httpData->mThread = NS_GetCurrentThread();
+
+    gSocketTransportService->Dispatch(NewRunnableMethod<RefPtr<HttpData>>
+				      (this, &Dashboard::GetHttpDispatch, httpData),
+				      NS_DISPATCH_NORMAL);
+    return NS_OK;
+}
+
+nsresult
+Dashboard::GetHttpDispatch(HttpData *aHttpData)
+{
+    RefPtr<HttpData> httpData = aHttpData;
+    HttpInfo::GetHttpConnectionData(&httpData->mData);
+    httpData->mThread->Dispatch(NewRunnableMethod<RefPtr<HttpData>>
+				(this, &Dashboard::GetHttpConnections, httpData),
+				NS_DISPATCH_NORMAL);
+    return NS_OK;
+}
+
+
+nsresult
+Dashboard::GetHttpConnections(HttpData *aHttpData)
+{
+    RefPtr<HttpData> httpData = aHttpData;
+    AutoSafeJSContext cx;
+
+    mozilla::dom::HttpConnDict dict;
+    dict.mConnections.Construct();
+
+    using mozilla::dom::HalfOpenInfoDict;
+    using mozilla::dom::HttpConnectionElement;
+    using mozilla::dom::HttpConnInfo;
+    Sequence<HttpConnectionElement> &connections = dict.mConnections.Value();
+
+    uint32_t length = httpData->mData.Length();
+    if (!connections.SetCapacity(length, fallible)) {
+            JS_ReportOutOfMemory(cx);
+            return NS_ERROR_OUT_OF_MEMORY;
+    }
+
+    for (uint32_t i = 0; i < httpData->mData.Length(); i++) {
+        HttpConnectionElement &connection = *connections.AppendElement(fallible);
+
+        CopyASCIItoUTF16(httpData->mData[i].host, connection.mHost);
+        connection.mPort = httpData->mData[i].port;
+        connection.mSpdy = httpData->mData[i].spdy;
+        connection.mSsl = httpData->mData[i].ssl;
+
+        connection.mActive.Construct();
+        connection.mIdle.Construct();
+        connection.mHalfOpens.Construct();
+
+        Sequence<HttpConnInfo> &active = connection.mActive.Value();
+        Sequence<HttpConnInfo> &idle = connection.mIdle.Value();
+        Sequence<HalfOpenInfoDict> &halfOpens = connection.mHalfOpens.Value();
+
+        if (!active.SetCapacity(httpData->mData[i].active.Length(), fallible) ||
+            !idle.SetCapacity(httpData->mData[i].idle.Length(), fallible) ||
+            !halfOpens.SetCapacity(httpData->mData[i].halfOpens.Length(),
+                                   fallible)) {
+                JS_ReportOutOfMemory(cx);
+                return NS_ERROR_OUT_OF_MEMORY;
+        }
+
+        for (uint32_t j = 0; j < httpData->mData[i].active.Length(); j++) {
+            HttpConnInfo &info = *active.AppendElement(fallible);
+            info.mRtt = httpData->mData[i].active[j].rtt;
+            info.mTtl = httpData->mData[i].active[j].ttl;
+            info.mProtocolVersion =
+                httpData->mData[i].active[j].protocolVersion;
+        }
+
+        for (uint32_t j = 0; j < httpData->mData[i].idle.Length(); j++) {
+            HttpConnInfo &info = *idle.AppendElement(fallible);
+            info.mRtt = httpData->mData[i].idle[j].rtt;
+            info.mTtl = httpData->mData[i].idle[j].ttl;
+            info.mProtocolVersion = httpData->mData[i].idle[j].protocolVersion;
+        }
+
+        for (uint32_t j = 0; j < httpData->mData[i].halfOpens.Length(); j++) {
+            HalfOpenInfoDict &info = *halfOpens.AppendElement(fallible);
+            info.mSpeculative = httpData->mData[i].halfOpens[j].speculative;
+        }
+    }
+
+    JS::RootedValue val(cx);
+    if (!ToJSValue(cx, dict, &val)) {
+        return NS_ERROR_FAILURE;
+    }
+
+    httpData->mCallback->OnDashboardDataAvailable(val);
+
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+Dashboard::GetEnableLogging(bool *value)
+{
+    *value = mEnableLogging;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+Dashboard::SetEnableLogging(const bool value)
+{
+    mEnableLogging = value;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+Dashboard::AddHost(const nsACString& aHost, uint32_t aSerial, bool aEncrypted)
+{
+    if (mEnableLogging) {
+        mozilla::MutexAutoLock lock(mWs.lock);
+        LogData mData(nsCString(aHost), aSerial, aEncrypted);
+        if (mWs.data.Contains(mData)) {
+            return NS_OK;
+        }
+        if (!mWs.data.AppendElement(mData)) {
+            return NS_ERROR_OUT_OF_MEMORY;
+        }
+        return NS_OK;
+    }
+    return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+Dashboard::RemoveHost(const nsACString& aHost, uint32_t aSerial)
+{
+    if (mEnableLogging) {
+        mozilla::MutexAutoLock lock(mWs.lock);
+        int32_t index = mWs.IndexOf(nsCString(aHost), aSerial);
+        if (index == -1)
+            return NS_ERROR_FAILURE;
+        mWs.data.RemoveElementAt(index);
+        return NS_OK;
+    }
+    return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+Dashboard::NewMsgSent(const nsACString& aHost, uint32_t aSerial, uint32_t aLength)
+{
+    if (mEnableLogging) {
+        mozilla::MutexAutoLock lock(mWs.lock);
+        int32_t index = mWs.IndexOf(nsCString(aHost), aSerial);
+        if (index == -1)
+            return NS_ERROR_FAILURE;
+        mWs.data[index].mMsgSent++;
+        mWs.data[index].mSizeSent += aLength;
+        return NS_OK;
+    }
+    return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+Dashboard::NewMsgReceived(const nsACString& aHost, uint32_t aSerial, uint32_t aLength)
+{
+    if (mEnableLogging) {
+        mozilla::MutexAutoLock lock(mWs.lock);
+        int32_t index = mWs.IndexOf(nsCString(aHost), aSerial);
+        if (index == -1)
+            return NS_ERROR_FAILURE;
+        mWs.data[index].mMsgReceived++;
+        mWs.data[index].mSizeReceived += aLength;
+        return NS_OK;
+    }
+    return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+Dashboard::RequestWebsocketConnections(NetDashboardCallback *aCallback)
+{
+    RefPtr<WebSocketRequest> wsRequest = new WebSocketRequest();
+    wsRequest->mCallback =
+        new nsMainThreadPtrHolder<NetDashboardCallback>(aCallback, true);
+    wsRequest->mThread = NS_GetCurrentThread();
+
+    wsRequest->mThread->Dispatch(NewRunnableMethod<RefPtr<WebSocketRequest>>
+				 (this, &Dashboard::GetWebSocketConnections, wsRequest),
+				 NS_DISPATCH_NORMAL);
+    return NS_OK;
+}
+
+nsresult
+Dashboard::GetWebSocketConnections(WebSocketRequest *aWsRequest)
+{
+    RefPtr<WebSocketRequest> wsRequest = aWsRequest;
+    AutoSafeJSContext cx;
+
+    mozilla::dom::WebSocketDict dict;
+    dict.mWebsockets.Construct();
+    Sequence<mozilla::dom::WebSocketElement> &websockets =
+        dict.mWebsockets.Value();
+
+    mozilla::MutexAutoLock lock(mWs.lock);
+    uint32_t length = mWs.data.Length();
+    if (!websockets.SetCapacity(length, fallible)) {
+        JS_ReportOutOfMemory(cx);
+        return NS_ERROR_OUT_OF_MEMORY;
+    }
+
+    for (uint32_t i = 0; i < mWs.data.Length(); i++) {
+        dom::WebSocketElement &websocket = *websockets.AppendElement(fallible);
+        CopyASCIItoUTF16(mWs.data[i].mHost, websocket.mHostport);
+        websocket.mMsgsent = mWs.data[i].mMsgSent;
+        websocket.mMsgreceived = mWs.data[i].mMsgReceived;
+        websocket.mSentsize = mWs.data[i].mSizeSent;
+        websocket.mReceivedsize = mWs.data[i].mSizeReceived;
+        websocket.mEncrypted = mWs.data[i].mEncrypted;
+    }
+
+    JS::RootedValue val(cx);
+    if (!ToJSValue(cx, dict, &val)) {
+        return NS_ERROR_FAILURE;
+    }
+    wsRequest->mCallback->OnDashboardDataAvailable(val);
+
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+Dashboard::RequestDNSInfo(NetDashboardCallback *aCallback)
+{
+    RefPtr<DnsData> dnsData = new DnsData();
+    dnsData->mCallback =
+        new nsMainThreadPtrHolder<NetDashboardCallback>(aCallback, true);
+
+    nsresult rv;
+    dnsData->mData.Clear();
+    dnsData->mThread = NS_GetCurrentThread();
+
+    if (!mDnsService) {
+        mDnsService = do_GetService("@mozilla.org/network/dns-service;1", &rv);
+        if (NS_FAILED(rv)) {
+            return rv;
+        }
+    }
+
+    gSocketTransportService->Dispatch(NewRunnableMethod<RefPtr<DnsData>>
+				      (this, &Dashboard::GetDnsInfoDispatch, dnsData),
+				      NS_DISPATCH_NORMAL);
+    return NS_OK;
+}
+
+nsresult
+Dashboard::GetDnsInfoDispatch(DnsData *aDnsData)
+{
+    RefPtr<DnsData> dnsData = aDnsData;
+    if (mDnsService) {
+        mDnsService->GetDNSCacheEntries(&dnsData->mData);
+    }
+    dnsData->mThread->Dispatch(NewRunnableMethod<RefPtr<DnsData>>
+			       (this, &Dashboard::GetDNSCacheEntries, dnsData),
+			       NS_DISPATCH_NORMAL);
+    return NS_OK;
+}
+
+nsresult
+Dashboard::GetDNSCacheEntries(DnsData *dnsData)
+{
+    AutoSafeJSContext cx;
+
+    mozilla::dom::DNSCacheDict dict;
+    dict.mEntries.Construct();
+    Sequence<mozilla::dom::DnsCacheEntry> &entries = dict.mEntries.Value();
+
+    uint32_t length = dnsData->mData.Length();
+    if (!entries.SetCapacity(length, fallible)) {
+        JS_ReportOutOfMemory(cx);
+        return NS_ERROR_OUT_OF_MEMORY;
+    }
+
+    for (uint32_t i = 0; i < dnsData->mData.Length(); i++) {
+        dom::DnsCacheEntry &entry = *entries.AppendElement(fallible);
+        entry.mHostaddr.Construct();
+
+        Sequence<nsString> &addrs = entry.mHostaddr.Value();
+        if (!addrs.SetCapacity(dnsData->mData[i].hostaddr.Length(), fallible)) {
+            JS_ReportOutOfMemory(cx);
+            return NS_ERROR_OUT_OF_MEMORY;
+        }
+
+        CopyASCIItoUTF16(dnsData->mData[i].hostname, entry.mHostname);
+        entry.mExpiration = dnsData->mData[i].expiration;
+
+        for (uint32_t j = 0; j < dnsData->mData[i].hostaddr.Length(); j++) {
+            nsString* addr = addrs.AppendElement(fallible);
+            if (!addr) {
+                JS_ReportOutOfMemory(cx);
+                return NS_ERROR_OUT_OF_MEMORY;
+            }
+            CopyASCIItoUTF16(dnsData->mData[i].hostaddr[j], *addr);
+        }
+
+        if (dnsData->mData[i].family == PR_AF_INET6) {
+            CopyASCIItoUTF16("ipv6", entry.mFamily);
+        } else {
+            CopyASCIItoUTF16("ipv4", entry.mFamily);
+        }
+    }
+
+    JS::RootedValue val(cx);
+    if (!ToJSValue(cx, dict, &val)) {
+        return NS_ERROR_FAILURE;
+    }
+    dnsData->mCallback->OnDashboardDataAvailable(val);
+
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+Dashboard::RequestDNSLookup(const nsACString &aHost,
+                            NetDashboardCallback *aCallback)
+{
+    nsresult rv;
+
+    if (!mDnsService) {
+        mDnsService = do_GetService("@mozilla.org/network/dns-service;1", &rv);
+        if (NS_FAILED(rv)) {
+            return rv;
+        }
+    }
+
+    RefPtr<LookupHelper> helper = new LookupHelper();
+    helper->mCallback =
+        new nsMainThreadPtrHolder<NetDashboardCallback>(aCallback, true);
+    helper->mThread = NS_GetCurrentThread();
+    rv = mDnsService->AsyncResolve(aHost, 0, helper.get(),
+                                   NS_GetCurrentThread(),
+                                   getter_AddRefs(helper->mCancel));
+    return rv;
+}
+
+void
+HttpConnInfo::SetHTTP1ProtocolVersion(uint8_t pv)
+{
+    switch (pv) {
+    case NS_HTTP_VERSION_0_9:
+        protocolVersion.AssignLiteral(u"http/0.9");
+        break;
+    case NS_HTTP_VERSION_1_0:
+        protocolVersion.AssignLiteral(u"http/1.0");
+        break;
+    case NS_HTTP_VERSION_1_1:
+        protocolVersion.AssignLiteral(u"http/1.1");
+        break;
+    case NS_HTTP_VERSION_2_0:
+        protocolVersion.AssignLiteral(u"http/2.0");
+        break;
+    default:
+        protocolVersion.AssignLiteral(u"unknown protocol version");
+    }
+}
+
+void
+HttpConnInfo::SetHTTP2ProtocolVersion(uint8_t pv)
+{
+    MOZ_ASSERT (pv == HTTP_VERSION_2);
+    protocolVersion.Assign(u"h2");
+}
+
+NS_IMETHODIMP
+Dashboard::GetLogPath(nsACString &aLogPath)
+{
+    aLogPath.SetCapacity(2048);
+    uint32_t len = LogModule::GetLogFile(aLogPath.BeginWriting(), 2048);
+    aLogPath.SetLength(len);
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+Dashboard::RequestConnection(const nsACString& aHost, uint32_t aPort,
+                             const char *aProtocol, uint32_t aTimeout,
+                             NetDashboardCallback *aCallback)
+{
+    nsresult rv;
+    RefPtr<ConnectionData> connectionData = new ConnectionData(this);
+    connectionData->mHost = aHost;
+    connectionData->mPort = aPort;
+    connectionData->mProtocol = aProtocol;
+    connectionData->mTimeout = aTimeout;
+
+    connectionData->mCallback =
+        new nsMainThreadPtrHolder<NetDashboardCallback>(aCallback, true);
+    connectionData->mThread = NS_GetCurrentThread();
+
+    rv = TestNewConnection(connectionData);
+    if (NS_FAILED(rv)) {
+        mozilla::net::GetErrorString(rv, connectionData->mStatus);
+        connectionData->mThread->Dispatch(NewRunnableMethod<RefPtr<ConnectionData>>
+					  (this, &Dashboard::GetConnectionStatus, connectionData),
+					  NS_DISPATCH_NORMAL);
+        return rv;
+    }
+
+    return NS_OK;
+}
+
+nsresult
+Dashboard::GetConnectionStatus(ConnectionData *aConnectionData)
+{
+    RefPtr<ConnectionData> connectionData = aConnectionData;
+    AutoSafeJSContext cx;
+
+    mozilla::dom::ConnStatusDict dict;
+    dict.mStatus = connectionData->mStatus;
+
+    JS::RootedValue val(cx);
+    if (!ToJSValue(cx, dict, &val))
+        return NS_ERROR_FAILURE;
+
+    connectionData->mCallback->OnDashboardDataAvailable(val);
+
+    return NS_OK;
+}
+
+nsresult
+Dashboard::TestNewConnection(ConnectionData *aConnectionData)
+{
+    RefPtr<ConnectionData> connectionData = aConnectionData;
+
+    nsresult rv;
+    if (!connectionData->mHost.Length() ||
+        !net_IsValidHostName(connectionData->mHost)) {
+        return NS_ERROR_UNKNOWN_HOST;
+    }
+
+    if (connectionData->mProtocol &&
+        NS_LITERAL_STRING("ssl").EqualsASCII(connectionData->mProtocol)) {
+        rv = gSocketTransportService->CreateTransport(
+            &connectionData->mProtocol, 1, connectionData->mHost,
+            connectionData->mPort, nullptr,
+            getter_AddRefs(connectionData->mSocket));
+    } else {
+        rv = gSocketTransportService->CreateTransport(
+            nullptr, 0, connectionData->mHost,
+            connectionData->mPort, nullptr,
+            getter_AddRefs(connectionData->mSocket));
+    }
+    if (NS_FAILED(rv)) {
+        return rv;
+    }
+
+    rv = connectionData->mSocket->SetEventSink(connectionData,
+        NS_GetCurrentThread());
+    if (NS_FAILED(rv)) {
+        return rv;
+    }
+
+    rv = connectionData->mSocket->OpenInputStream(
+        nsITransport::OPEN_BLOCKING, 0, 0,
+        getter_AddRefs(connectionData->mStreamIn));
+    if (NS_FAILED(rv)) {
+        return rv;
+    }
+
+    connectionData->StartTimer(connectionData->mTimeout);
+
+    return rv;
+}
+
+typedef struct
+{
+    nsresult key;
+    const char *error;
+} ErrorEntry;
+
+#undef ERROR
+#define ERROR(key, val) {key, #key}
+
+ErrorEntry socketTransportStatuses[] = {
+        ERROR(NS_NET_STATUS_RESOLVING_HOST,  FAILURE(3)),
+        ERROR(NS_NET_STATUS_RESOLVED_HOST,   FAILURE(11)),
+        ERROR(NS_NET_STATUS_CONNECTING_TO,   FAILURE(7)),
+        ERROR(NS_NET_STATUS_CONNECTED_TO,    FAILURE(4)),
+        ERROR(NS_NET_STATUS_SENDING_TO,      FAILURE(5)),
+        ERROR(NS_NET_STATUS_WAITING_FOR,     FAILURE(10)),
+        ERROR(NS_NET_STATUS_RECEIVING_FROM,  FAILURE(6)),
+};
+#undef ERROR
+
+
+static void
+GetErrorString(nsresult rv, nsAString& errorString)
+{
+    for (size_t i = 0; i < ArrayLength(socketTransportStatuses); ++i) {
+        if (socketTransportStatuses[i].key == rv) {
+            errorString.AssignASCII(socketTransportStatuses[i].error);
+            return;
+        }
+    }
+    nsAutoCString errorCString;
+    mozilla::GetErrorName(rv, errorCString);
+    CopyUTF8toUTF16(errorCString, errorString);
+}
+
+} // namespace net
+} // namespace mozilla