Quelle NullHttpTransaction.cpp Sprache: C

/* -*- 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 "mozilla/net/NeckoChannelParams.h"  // For HttpActivityArgs.
#include "mozilla/Components.h"
#include "nsHttp.h"
#include "NullHttpTransaction.h"
#include "nsHttpHandler.h"
#include "nsHttpRequestHead.h"
#include "nsIHttpActivityObserver.h"
#include "nsQueryObject.h"
#include "nsNetUtil.h"

namespace mozilla {
namespace net {

NS_IMPL_ISUPPORTS(NullHttpTransaction, NullHttpTransaction,
                  nsISupportsWeakReference)

NullHttpTransaction::NullHttpTransaction(nsHttpConnectionInfo* ci,
                                         nsIInterfaceRequestor* callbacks,
                                         uint32_t caps)
    : mStatus(NS_OK),
      mCaps(caps | NS_HTTP_ALLOW_KEEPALIVE),
      mRequestHead(nullptr),
      mIsDone(false),
      mClaimed(false),
      mCallbacks(callbacks),
      mConnectionInfo(ci) {
  nsresult rv;
  mActivityDistributor =
      mozilla::components::HttpActivityDistributor::Service(&rv);
  if (NS_FAILED(rv)) {
    return;
  }

  bool activityDistributorActive;
  rv = mActivityDistributor->GetIsActive(&activityDistributorActive);
  if (NS_SUCCEEDED(rv) && activityDistributorActive) {
    // There are some observers registered at activity distributor.
    LOG(
        ("NulHttpTransaction::NullHttpTransaction() "
         "mActivityDistributor is active "
         "[this=%p, %s]",
         this, ci->GetOrigin().get()));
  } else {
    // There is no observer, so don't use it.
    mActivityDistributor = nullptr;
  }
}

NullHttpTransaction::~NullHttpTransaction() {
  mCallbacks = nullptr;
  delete mRequestHead;
}

bool NullHttpTransaction::Claim() {
  if (mClaimed) {
    return false;
  }
  mClaimed = true;
  return true;
}

void NullHttpTransaction::Unclaim() { mClaimed = false; }

void NullHttpTransaction::SetConnection(nsAHttpConnection* conn) {
  mConnection = conn;
}

nsAHttpConnection* NullHttpTransaction::Connection() {
  return mConnection.get();
}

void NullHttpTransaction::GetSecurityCallbacks(nsIInterfaceRequestor** outCB) {
  nsCOMPtr<nsIInterfaceRequestor> copyCB(mCallbacks);
  *outCB = copyCB.forget().take();
}

void NullHttpTransaction::OnTransportStatus(nsITransport* transport,
                                            nsresult status, int64_t progress) {
  if (status == NS_NET_STATUS_RESOLVING_HOST) {
    if (mTimings.domainLookupStart.IsNull()) {
      mTimings.domainLookupStart = TimeStamp::Now();
    }
  } else if (status == NS_NET_STATUS_RESOLVED_HOST) {
    if (mTimings.domainLookupEnd.IsNull()) {
      mTimings.domainLookupEnd = TimeStamp::Now();
    }
  } else if (status == NS_NET_STATUS_CONNECTING_TO) {
    if (mTimings.connectStart.IsNull()) {
      mTimings.connectStart = TimeStamp::Now();
    }
  } else if (status == NS_NET_STATUS_CONNECTED_TO) {
    TimeStamp tnow = TimeStamp::Now();
    if (mTimings.connectEnd.IsNull()) {
      mTimings.connectEnd = tnow;
    }
    if (mTimings.tcpConnectEnd.IsNull()) {
      mTimings.tcpConnectEnd = tnow;
    }
  } else if (status == NS_NET_STATUS_TLS_HANDSHAKE_STARTING) {
    if (mTimings.secureConnectionStart.IsNull()) {
      mTimings.secureConnectionStart = TimeStamp::Now();
    }
  } else if (status == NS_NET_STATUS_TLS_HANDSHAKE_ENDED) {
    mTimings.connectEnd = TimeStamp::Now();
    ;
  }

  if (mActivityDistributor) {
    Unused << mActivityDistributor->ObserveActivityWithArgs(
        HttpActivity(mConnectionInfo->GetOrigin(),
                     mConnectionInfo->OriginPort(),
                     mConnectionInfo->EndToEndSSL()),
        NS_HTTP_ACTIVITY_TYPE_SOCKET_TRANSPORT, static_cast<uint32_t>(status),
        PR_Now(), progress, ""_ns);
  }
}

bool NullHttpTransaction::IsDone() { return mIsDone; }

nsresult NullHttpTransaction::Status() { return mStatus; }

uint32_t NullHttpTransaction::Caps() { return mCaps; }

nsresult NullHttpTransaction::ReadSegments(nsAHttpSegmentReader* reader,
                                           uint32_t count,
                                           uint32_t* countRead) {
  *countRead = 0;
  mIsDone = true;
  return NS_BASE_STREAM_CLOSED;
}

nsresult NullHttpTransaction::WriteSegments(nsAHttpSegmentWriter* writer,
                                            uint32_t count,
                                            uint32_t* countWritten) {
  *countWritten = 0;
  return NS_BASE_STREAM_CLOSED;
}

uint32_t NullHttpTransaction::Http1xTransactionCount() { return 0; }

nsHttpRequestHead* NullHttpTransaction::RequestHead() {
  // We suport a requesthead at all so that a CONNECT tunnel transaction
  // can obtain a Host header from it, but we lazy-popualate that header.

  if (!mRequestHead) {
    mRequestHead = new nsHttpRequestHead();

    nsAutoCString hostHeader;
    nsCString host(mConnectionInfo->GetOrigin());
    nsresult rv = nsHttpHandler::GenerateHostPort(
        host, mConnectionInfo->OriginPort(), hostHeader);
    if (NS_SUCCEEDED(rv)) {
      rv = mRequestHead->SetHeader(nsHttp::Host, hostHeader);
      MOZ_ASSERT(NS_SUCCEEDED(rv));
      if (mActivityDistributor) {
        // Report request headers.
        nsCString reqHeaderBuf;
        mRequestHead->Flatten(reqHeaderBuf, false);
        Unused << mActivityDistributor->ObserveActivityWithArgs(
            HttpActivity(mConnectionInfo->GetOrigin(),
                         mConnectionInfo->OriginPort(),
                         mConnectionInfo->EndToEndSSL()),
            NS_HTTP_ACTIVITY_TYPE_HTTP_TRANSACTION,
            NS_HTTP_ACTIVITY_SUBTYPE_REQUEST_HEADER, PR_Now(), 0, reqHeaderBuf);
      }
    }

    // CONNECT tunnels may also want Proxy-Authorization but that is a lot
    // harder to determine, so for now we will let those connections fail in
    // the NullHttpTransaction and let them be retried from the pending queue
    // with a bound transaction
  }

  return mRequestHead;
}

nsresult NullHttpTransaction::TakeSubTransactions(
    nsTArray<RefPtr<nsAHttpTransaction> >& outTransactions) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

void NullHttpTransaction::SetProxyConnectFailed() {}

void NullHttpTransaction::Close(nsresult reason) {
  mStatus = reason;
  mConnection = nullptr;
  mIsDone = true;
  if (mActivityDistributor) {
    // Report that this transaction is closing.
    Unused << mActivityDistributor->ObserveActivityWithArgs(
        HttpActivity(mConnectionInfo->GetOrigin(),
                     mConnectionInfo->OriginPort(),
                     mConnectionInfo->EndToEndSSL()),
        NS_HTTP_ACTIVITY_TYPE_HTTP_TRANSACTION,
        NS_HTTP_ACTIVITY_SUBTYPE_TRANSACTION_CLOSE, PR_Now(), 0, ""_ns);
  }
}

nsHttpConnectionInfo* NullHttpTransaction::ConnectionInfo() {
  return mConnectionInfo;
}

}  // namespace net
}  // namespace mozilla

quality100%

¤ Dauer der Verarbeitung: 0.16 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.