1 files changed, 239 insertions, 0 deletions
diff --git a/netwerk/protocol/http/ConnectionDiagnostics.cpp b/netwerk/protocol/http/ConnectionDiagnostics.cpp
new file mode 100644
index 0000000000..aa1358538d
--- /dev/null
+++ b/netwerk/protocol/http/ConnectionDiagnostics.cpp
@@ -0,0 +1,239 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* 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/. */
+
+// HttpLog.h should generally be included first
+#include "HttpLog.h"
+
+#include "nsHttpConnectionMgr.h"
+#include "nsHttpConnection.h"
+#include "HttpConnectionUDP.h"
+#include "Http2Session.h"
+#include "nsHttpHandler.h"
+#include "nsIConsoleService.h"
+#include "nsHttpRequestHead.h"
+#include "nsServiceManagerUtils.h"
+#include "nsSocketTransportService2.h"
+
+#include "mozilla/IntegerPrintfMacros.h"
+#include "mozilla/StaticPrefs_network.h"
+
+namespace mozilla {
+namespace net {
+
+void nsHttpConnectionMgr::PrintDiagnostics() {
+  nsresult rv =
+      PostEvent(&nsHttpConnectionMgr::OnMsgPrintDiagnostics, 0, nullptr);
+  if (NS_FAILED(rv)) {
+    LOG(
+        ("nsHttpConnectionMgr::PrintDiagnostics\n"
+         "  failed to post OnMsgPrintDiagnostics event"));
+  }
+}
+
+void nsHttpConnectionMgr::OnMsgPrintDiagnostics(int32_t, ARefBase*) {
+  MOZ_ASSERT(OnSocketThread(), "not on socket thread");
+
+  nsCOMPtr<nsIConsoleService> consoleService =
+      do_GetService(NS_CONSOLESERVICE_CONTRACTID);
+  if (!consoleService) return;
+
+  mLogData.AppendPrintf("HTTP Connection Diagnostics\n---------------------\n");
+  mLogData.AppendPrintf("IsSpdyEnabled() = %d\n",
+                        StaticPrefs::network_http_http2_enabled());
+  mLogData.AppendPrintf("MaxSocketCount() = %d\n",
+                        gHttpHandler->MaxSocketCount());
+  mLogData.AppendPrintf("mNumActiveConns = %d\n", mNumActiveConns);
+  mLogData.AppendPrintf("mNumIdleConns = %d\n", mNumIdleConns);
+
+  for (const RefPtr<ConnectionEntry>& ent : mCT.Values()) {
+    mLogData.AppendPrintf(
+        "   AtActiveConnectionLimit = %d\n",
+        AtActiveConnectionLimit(ent, NS_HTTP_ALLOW_KEEPALIVE));
+
+    ent->PrintDiagnostics(mLogData, MaxPersistConnections(ent));
+  }
+
+  consoleService->LogStringMessage(NS_ConvertUTF8toUTF16(mLogData).Data());
+  mLogData.Truncate();
+}
+
+void ConnectionEntry::PrintDiagnostics(nsCString& log,
+                                       uint32_t aMaxPersistConns) {
+  log.AppendPrintf(" ent host = %s hashkey = %s\n", mConnInfo->Origin(),
+                   mConnInfo->HashKey().get());
+
+  log.AppendPrintf("   RestrictConnections = %d\n", RestrictConnections());
+  log.AppendPrintf("   Pending Q Length = %zu\n", PendingQueueLength());
+  log.AppendPrintf("   Active Conns Length = %zu\n", mActiveConns.Length());
+  log.AppendPrintf("   Idle Conns Length = %zu\n", mIdleConns.Length());
+  log.AppendPrintf("   DnsAndSock Length = %zu\n",
+                   mDnsAndConnectSockets.Length());
+  log.AppendPrintf("   Coalescing Keys Length = %zu\n",
+                   mCoalescingKeys.Length());
+  log.AppendPrintf("   Spdy using = %d\n", mUsingSpdy);
+
+  uint32_t i;
+  for (i = 0; i < mActiveConns.Length(); ++i) {
+    log.AppendPrintf("   :: Active Connection #%u\n", i);
+    mActiveConns[i]->PrintDiagnostics(log);
+  }
+  for (i = 0; i < mIdleConns.Length(); ++i) {
+    log.AppendPrintf("   :: Idle Connection #%u\n", i);
+    mIdleConns[i]->PrintDiagnostics(log);
+  }
+  for (i = 0; i < mDnsAndConnectSockets.Length(); ++i) {
+    log.AppendPrintf("   :: Half Open #%u\n", i);
+    mDnsAndConnectSockets[i]->PrintDiagnostics(log);
+  }
+
+  mPendingQ.PrintDiagnostics(log);
+
+  for (i = 0; i < mCoalescingKeys.Length(); ++i) {
+    log.AppendPrintf("   :: Coalescing Key #%u %s\n", i,
+                     mCoalescingKeys[i].get());
+  }
+}
+
+void PendingTransactionQueue::PrintDiagnostics(nsCString& log) {
+  uint32_t i = 0;
+  for (const auto& entry : mPendingTransactionTable) {
+    log.AppendPrintf("   :: Pending Transactions with Window ID = %" PRIu64
+                     "\n",
+                     entry.GetKey());
+    for (uint32_t j = 0; j < entry.GetData()->Length(); ++j) {
+      log.AppendPrintf("     ::: Pending Transaction #%u\n", i);
+      entry.GetData()->ElementAt(j)->PrintDiagnostics(log);
+      ++i;
+    }
+  }
+}
+
+void DnsAndConnectSocket::PrintDiagnostics(nsCString& log) {
+  log.AppendPrintf("     has connected = %d, isSpeculative = %d\n",
+                   HasConnected(), IsSpeculative());
+
+  TimeStamp now = TimeStamp::Now();
+
+  if (mPrimaryTransport.mSynStarted.IsNull()) {
+    log.AppendPrintf("    primary not started\n");
+  } else {
+    log.AppendPrintf("    primary started %.2fms ago\n",
+                     (now - mPrimaryTransport.mSynStarted).ToMilliseconds());
+  }
+
+  if (mBackupTransport.mSynStarted.IsNull()) {
+    log.AppendPrintf("    backup not started\n");
+  } else {
+    log.AppendPrintf("    backup started %.2f ago\n",
+                     (now - mBackupTransport.mSynStarted).ToMilliseconds());
+  }
+
+  log.AppendPrintf("    primary transport %d, backup transport %d\n",
+                   !!mPrimaryTransport.mSocketTransport,
+                   !!mBackupTransport.mSocketTransport);
+}
+
+void nsHttpConnection::PrintDiagnostics(nsCString& log) {
+  log.AppendPrintf("    CanDirectlyActivate = %d\n", CanDirectlyActivate());
+
+  log.AppendPrintf("    npncomplete = %d  setupSSLCalled = %d\n",
+                   mTlsHandshaker->NPNComplete(),
+                   mTlsHandshaker->SetupSSLCalled());
+
+  log.AppendPrintf("    spdyVersion = %d  reportedSpdy = %d everspdy = %d\n",
+                   static_cast<int32_t>(mUsingSpdyVersion), mReportedSpdy,
+                   mEverUsedSpdy);
+
+  log.AppendPrintf("    iskeepalive = %d  dontReuse = %d isReused = %d\n",
+                   IsKeepAlive(), mDontReuse, mIsReused);
+
+  log.AppendPrintf("    mTransaction = %d mSpdySession = %d\n", !!mTransaction,
+                   !!mSpdySession);
+
+  PRIntervalTime now = PR_IntervalNow();
+  log.AppendPrintf("    time since last read = %ums\n",
+                   PR_IntervalToMilliseconds(now - mLastReadTime));
+
+  log.AppendPrintf("    max-read/read/written %" PRId64 "/%" PRId64 "/%" PRId64
+                   "\n",
+                   mMaxBytesRead, mTotalBytesRead, mTotalBytesWritten);
+
+  log.AppendPrintf("    rtt = %ums\n", PR_IntervalToMilliseconds(mRtt));
+
+  log.AppendPrintf("    idlemonitoring = %d transactionCount=%d\n",
+                   mIdleMonitoring, mHttp1xTransactionCount);
+
+  if (mSpdySession) mSpdySession->PrintDiagnostics(log);
+}
+
+void HttpConnectionUDP::PrintDiagnostics(nsCString& log) {
+  log.AppendPrintf("    CanDirectlyActivate = %d\n", CanDirectlyActivate());
+
+  log.AppendPrintf("    dontReuse = %d isReused = %d\n", mDontReuse, mIsReused);
+
+  log.AppendPrintf("    read/written %" PRId64 "/%" PRId64 "\n",
+                   mHttp3Session ? mHttp3Session->BytesRead() : 0,
+                   mHttp3Session ? mHttp3Session->GetBytesWritten() : 0);
+
+  log.AppendPrintf("    rtt = %ums\n", PR_IntervalToMilliseconds(mRtt));
+}
+
+void Http2Session::PrintDiagnostics(nsCString& log) {
+  log.AppendPrintf("     ::: HTTP2\n");
+  log.AppendPrintf(
+      "     shouldgoaway = %d mClosed = %d CanReuse = %d nextID=0x%X\n",
+      mShouldGoAway, mClosed, CanReuse(), mNextStreamID);
+
+  log.AppendPrintf("     concurrent = %d maxconcurrent = %d\n", mConcurrent,
+                   mMaxConcurrent);
+
+  log.AppendPrintf("     roomformorestreams = %d roomformoreconcurrent = %d\n",
+                   RoomForMoreStreams(), RoomForMoreConcurrent());
+
+  log.AppendPrintf("     transactionHashCount = %d streamIDHashCount = %d\n",
+                   mStreamTransactionHash.Count(), mStreamIDHash.Count());
+
+  log.AppendPrintf("     Queued Stream Size = %zu\n", mQueuedStreams.Length());
+
+  PRIntervalTime now = PR_IntervalNow();
+  log.AppendPrintf("     Ping Threshold = %ums\n",
+                   PR_IntervalToMilliseconds(mPingThreshold));
+  log.AppendPrintf("     Ping Timeout = %ums\n",
+                   PR_IntervalToMilliseconds(gHttpHandler->SpdyPingTimeout()));
+  log.AppendPrintf("     Idle for Any Activity (ping) = %ums\n",
+                   PR_IntervalToMilliseconds(now - mLastReadEpoch));
+  log.AppendPrintf("     Idle for Data Activity = %ums\n",
+                   PR_IntervalToMilliseconds(now - mLastDataReadEpoch));
+  if (mPingSentEpoch) {
+    log.AppendPrintf("     Ping Outstanding (ping) = %ums, expired = %d\n",
+                     PR_IntervalToMilliseconds(now - mPingSentEpoch),
+                     now - mPingSentEpoch >= gHttpHandler->SpdyPingTimeout());
+  } else {
+    log.AppendPrintf("     No Ping Outstanding\n");
+  }
+}
+
+void nsHttpTransaction::PrintDiagnostics(nsCString& log) {
+  if (!mRequestHead) return;
+
+  nsAutoCString requestURI;
+  mRequestHead->RequestURI(requestURI);
+  log.AppendPrintf("       :::: uri = %s\n", requestURI.get());
+  log.AppendPrintf("       caps = 0x%x\n", static_cast<uint32_t>(mCaps));
+  log.AppendPrintf("       priority = %d\n", mPriority);
+  log.AppendPrintf("       restart count = %u\n", mRestartCount);
+}
+
+void PendingTransactionInfo::PrintDiagnostics(nsCString& log) {
+  log.AppendPrintf("     ::: Pending transaction\n");
+  mTransaction->PrintDiagnostics(log);
+  RefPtr<DnsAndConnectSocket> dnsAndSock = do_QueryReferent(mDnsAndSock);
+  log.AppendPrintf("     Waiting for half open sock: %p or connection: %p\n",
+                   dnsAndSock.get(), mActiveConn.get());
+}
+
+}  // namespace net
+}  // namespace mozilla