Bug 888583 - Expose protocol version in about:networking. r=mcmanus

dom/webidl/NetDashboard.webidl

@@ -17,6 +17,7 @@ dictionary SocketsDict {
 dictionary HttpConnInfoDict {
   sequence<unsigned long> rtt;
   sequence<unsigned long> ttl;
+  sequence<DOMString> protocolVersion;
 };
 
 dictionary HttpConnDict {

netwerk/base/src/Dashboard.cpp

@@ -165,10 +165,13 @@ Dashboard::GetHttpConnections()
         HttpConnInfoDict &activeInfo = *active.AppendElement();
         activeInfo.mRtt.Construct();
         activeInfo.mTtl.Construct();
+        activeInfo.mProtocolVersion.Construct();
         Sequence<uint32_t> &active_rtt = activeInfo.mRtt.Value();
         Sequence<uint32_t> &active_ttl = activeInfo.mTtl.Value();
+        Sequence<nsString> &active_protocolVersion = activeInfo.mProtocolVersion.Value();
         if (!active_rtt.SetCapacity(mHttp.data[i].active.Length()) ||
-            !active_ttl.SetCapacity(mHttp.data[i].active.Length())) {
+            !active_ttl.SetCapacity(mHttp.data[i].active.Length()) ||
+            !active_protocolVersion.SetCapacity(mHttp.data[i].active.Length())) {
                 mHttp.cb = nullptr;
                 mHttp.data.Clear();
                 JS_ReportOutOfMemory(cx);
@@ -177,15 +180,19 @@ Dashboard::GetHttpConnections()
         for (uint32_t j = 0; j < mHttp.data[i].active.Length(); j++) {
             *active_rtt.AppendElement() = mHttp.data[i].active[j].rtt;
             *active_ttl.AppendElement() = mHttp.data[i].active[j].ttl;
+            *active_protocolVersion.AppendElement() = mHttp.data[i].active[j].protocolVersion;
         }
 
         HttpConnInfoDict &idleInfo = *idle.AppendElement();
         idleInfo.mRtt.Construct();
         idleInfo.mTtl.Construct();
+        idleInfo.mProtocolVersion.Construct();
         Sequence<uint32_t> &idle_rtt = idleInfo.mRtt.Value();
         Sequence<uint32_t> &idle_ttl = idleInfo.mTtl.Value();
+        Sequence<nsString> &idle_protocolVersion = idleInfo.mProtocolVersion.Value();
         if (!idle_rtt.SetCapacity(mHttp.data[i].idle.Length()) ||
-            !idle_ttl.SetCapacity(mHttp.data[i].idle.Length())) {
+            !idle_ttl.SetCapacity(mHttp.data[i].idle.Length()) ||
+            !idle_protocolVersion.SetCapacity(mHttp.data[i].idle.Length())) {
                 mHttp.cb = nullptr;
                 mHttp.data.Clear();
                 JS_ReportOutOfMemory(cx);
@@ -194,6 +201,7 @@ Dashboard::GetHttpConnections()
         for (uint32_t j = 0; j < mHttp.data[i].idle.Length(); j++) {
             *idle_rtt.AppendElement() = mHttp.data[i].idle[j].rtt;
             *idle_ttl.AppendElement() = mHttp.data[i].idle[j].ttl;
+            *idle_protocolVersion.AppendElement() = mHttp.data[i].idle[j].protocolVersion;
         }
     }
 
@@ -436,4 +444,31 @@ Dashboard::GetDNSCacheEntries()
     return NS_OK;
 }
 
+void
+HttpConnInfo::SetHTTP1ProtocolVersion(uint8_t pv)
+{
+    switch (pv) {
+    case NS_HTTP_VERSION_0_9:
+        protocolVersion.Assign(NS_LITERAL_STRING("http/0.9"));
+        break;
+    case NS_HTTP_VERSION_1_0:
+        protocolVersion.Assign(NS_LITERAL_STRING("http/1.0"));
+        break;
+    case NS_HTTP_VERSION_1_1:
+        protocolVersion.Assign(NS_LITERAL_STRING("http/1.1"));
+        break;
+    default:
+        protocolVersion.Assign(NS_LITERAL_STRING("unknown protocol version"));
+    }
+}
+
+void
+HttpConnInfo::SetHTTP2ProtocolVersion(uint8_t pv)
+{
+    if (pv == Spdy::SPDY_VERSION_2)
+        protocolVersion.Assign(NS_LITERAL_STRING("spdy/2"));
+    else
+        protocolVersion.Assign(NS_LITERAL_STRING("spdy/3"));
+}
+
 } } // namespace mozilla::net

netwerk/base/src/Dashboard.h

@@ -14,6 +14,7 @@
 #include "nsIThread.h"
 #include "nsSocketTransport2.h"
 #include "mozilla/net/DashboardTypes.h"
+#include "nsHttp.h"
 
 namespace mozilla {
 namespace net {

netwerk/base/src/DashboardTypes.h

@@ -34,6 +34,10 @@ struct HttpConnInfo
 {
     uint32_t ttl;
     uint32_t rtt;
+    nsString protocolVersion;
+
+    void SetHTTP1ProtocolVersion(uint8_t pv);
+    void SetHTTP2ProtocolVersion(uint8_t pv);
 };
 
 struct HttpRetParams

netwerk/protocol/http/nsHttpConnection.cpp

@@ -71,6 +71,7 @@ nsHttpConnection::nsHttpConnection()
     , mReportedSpdy(false)
     , mEverUsedSpdy(false)
     , mTransactionCaps(0)
+    , mLastHttpResponseVersion(NS_HTTP_VERSION_1_1)
 {
     LOG(("Creating nsHttpConnection @%x\n", this));
 
@@ -886,6 +887,8 @@ nsHttpConnection::OnHeadersAvailable(nsAHttpTransaction *trans,
         }
     }
 
+    mLastHttpResponseVersion = responseHead->Version();
+
     return NS_OK;
 }
 

netwerk/protocol/http/nsHttpConnection.h

@@ -119,6 +119,7 @@ public:
     nsresult ResumeSend();
     nsresult ResumeRecv();
     int64_t  MaxBytesRead() {return mMaxBytesRead;}
+    uint8_t GetLastHttpResponseVersion() { return mLastHttpResponseVersion; }
 
     friend class nsHttpConnectionForceRecv;
     nsresult ForceRecv();
@@ -134,6 +135,7 @@ public:
     void EndIdleMonitoring();
 
     bool UsingSpdy() { return !!mUsingSpdyVersion; }
+    uint8_t GetSpdyVersion() { return mUsingSpdyVersion; }
     bool EverUsedSpdy() { return mEverUsedSpdy; }
     PRIntervalTime Rtt() { return mRtt; }
 
@@ -255,6 +257,9 @@ private:
 
     // The capabailities associated with the most recent transaction
     uint32_t                        mTransactionCaps;
+
+    // mLastHttpResponseVersion stores the last response's http version seen.
+    uint8_t                         mLastHttpResponseVersion;
 };
 
 #endif // nsHttpConnection_h__

netwerk/protocol/http/nsHttpConnectionMgr.cpp

@@ -3321,12 +3321,18 @@ nsHttpConnectionMgr::ReadConnectionEntry(const nsACString &key,
         HttpConnInfo info;
         info.ttl = ent->mActiveConns[i]->TimeToLive();
         info.rtt = ent->mActiveConns[i]->Rtt();
+        if (ent->mActiveConns[i]->UsingSpdy())
+            info.SetHTTP2ProtocolVersion(ent->mActiveConns[i]->GetSpdyVersion());
+        else
+            info.SetHTTP1ProtocolVersion(ent->mActiveConns[i]->GetLastHttpResponseVersion());
+
         data.active.AppendElement(info);
     }
     for (uint32_t i = 0; i < ent->mIdleConns.Length(); i++) {
         HttpConnInfo info;
         info.ttl = ent->mIdleConns[i]->TimeToLive();
         info.rtt = ent->mIdleConns[i]->Rtt();
+        info.SetHTTP1ProtocolVersion(ent->mIdleConns[i]->GetLastHttpResponseVersion());
         data.idle.AppendElement(info);
     }
     data.spdy = ent->mUsingSpdy;