NS_IMETHODIMP
nsOutputStreamTransport::SetEventSink(nsITransportEventSink *sink,
                                      nsIEventTarget *target)
{
    NS_ENSURE_TRUE(!mInProgress, NS_ERROR_IN_PROGRESS);

    if (target)
        return net_NewTransportEventSinkProxy(getter_AddRefs(mEventSink),
                                              sink, target);

    mEventSink = sink;
    return NS_OK;
}
示例#2
0
nsresult
nsFileCopyEvent::Dispatch(nsIRunnable *callback,
                          nsITransportEventSink *sink,
                          nsIEventTarget *target)
{
  // Use the supplied event target for all asynchronous operations.

  mCallback = callback;
  mCallbackTarget = target;

  // Build a coalescing proxy for progress events
  nsresult rv = net_NewTransportEventSinkProxy(getter_AddRefs(mSink), sink,
                                               target, true);
  if (NS_FAILED(rv))
    return rv;

  // Dispatch ourselves to I/O thread pool...
  nsCOMPtr<nsIEventTarget> pool =
      do_GetService(NS_STREAMTRANSPORTSERVICE_CONTRACTID, &rv);
  if (NS_FAILED(rv))
    return rv;

  return pool->Dispatch(this, NS_DISPATCH_NORMAL);
}
示例#3
0
nsresult
nsHttpTransaction::Init(PRUint8 caps,
                        nsHttpConnectionInfo *cinfo,
                        nsHttpRequestHead *requestHead,
                        nsIInputStream *requestBody,
                        PRBool requestBodyHasHeaders,
                        nsIEventTarget *target,
                        nsIInterfaceRequestor *callbacks,
                        nsITransportEventSink *eventsink,
                        nsIAsyncInputStream **responseBody)
{
    nsresult rv;

    LOG(("nsHttpTransaction::Init [this=%x caps=%x]\n", this, caps));

    NS_ASSERTION(cinfo, "ouch");
    NS_ASSERTION(requestHead, "ouch");
    NS_ASSERTION(target, "ouch");

    // create transport event sink proxy that coalesces all events
    rv = net_NewTransportEventSinkProxy(getter_AddRefs(mTransportSink),
                                        eventsink, target, PR_TRUE);
    if (NS_FAILED(rv)) return rv;

    mActivityDistributor = do_GetService(NS_HTTPACTIVITYDISTRIBUTOR_CONTRACTID, &rv);
    if (NS_FAILED(rv)) return rv;

    PRBool active;
    rv = mActivityDistributor->GetIsActive(&active);
    if (NS_SUCCEEDED(rv) && active) {
        // there are some observers registered at activity distributor, gather
        // nsISupports for the channel that called Init()
        mChannel = do_QueryInterface(eventsink);
        LOG(("nsHttpTransaction::Init() " \
             "mActivityDistributor is active " \
             "this=%x", this));
    } else
        // there is no observer, so don't use it
        mActivityDistributor = nsnull;

    NS_ADDREF(mConnInfo = cinfo);
    mCallbacks = callbacks;
    mConsumerTarget = target;
    mCaps = caps;

    if (requestHead->Method() == nsHttp::Head)
        mNoContent = PR_TRUE;

    // Make sure that there is "Content-Length: 0" header in the requestHead
    // in case of POST and PUT methods when there is no requestBody and
    // requestHead doesn't contain "Transfer-Encoding" header.
    //
    // RFC1945 section 7.2.2:
    //   HTTP/1.0 requests containing an entity body must include a valid
    //   Content-Length header field.
    //
    // RFC2616 section 4.4:
    //   For compatibility with HTTP/1.0 applications, HTTP/1.1 requests
    //   containing a message-body MUST include a valid Content-Length header
    //   field unless the server is known to be HTTP/1.1 compliant.
    if ((requestHead->Method() == nsHttp::Post || requestHead->Method() == nsHttp::Put) &&
        !requestBody && !requestHead->PeekHeader(nsHttp::Transfer_Encoding)) {
        requestHead->SetHeader(nsHttp::Content_Length, NS_LITERAL_CSTRING("0"));
    }

    // grab a weak reference to the request head
    mRequestHead = requestHead;

    // make sure we eliminate any proxy specific headers from 
    // the request if we are talking HTTPS via a SSL tunnel.
    PRBool pruneProxyHeaders = cinfo->UsingSSL() &&
                               cinfo->UsingHttpProxy();
    mReqHeaderBuf.Truncate();
    requestHead->Flatten(mReqHeaderBuf, pruneProxyHeaders);

#if defined(PR_LOGGING)
    if (LOG3_ENABLED()) {
        LOG3(("http request [\n"));
        LogHeaders(mReqHeaderBuf.get());
        LOG3(("]\n"));
    }
#endif

    // If the request body does not include headers or if there is no request
    // body, then we must add the header/body separator manually.
    if (!requestBodyHasHeaders || !requestBody)
        mReqHeaderBuf.AppendLiteral("\r\n");

    // report the request header
    if (mActivityDistributor)
        mActivityDistributor->ObserveActivity(
            mChannel,
            NS_HTTP_ACTIVITY_TYPE_HTTP_TRANSACTION,
            NS_HTTP_ACTIVITY_SUBTYPE_REQUEST_HEADER,
            PR_Now(), LL_ZERO,
            mReqHeaderBuf);

    // Create a string stream for the request header buf (the stream holds
    // a non-owning reference to the request header data, so we MUST keep
    // mReqHeaderBuf around).
    nsCOMPtr<nsIInputStream> headers;
    rv = NS_NewByteInputStream(getter_AddRefs(headers),
                               mReqHeaderBuf.get(),
                               mReqHeaderBuf.Length());
    if (NS_FAILED(rv)) return rv;

    if (requestBody) {
        mHasRequestBody = PR_TRUE;

        // wrap the headers and request body in a multiplexed input stream.
        nsCOMPtr<nsIMultiplexInputStream> multi =
            do_CreateInstance(kMultiplexInputStream, &rv);
        if (NS_FAILED(rv)) return rv;

        rv = multi->AppendStream(headers);
        if (NS_FAILED(rv)) return rv;

        rv = multi->AppendStream(requestBody);
        if (NS_FAILED(rv)) return rv;

        // wrap the multiplexed input stream with a buffered input stream, so
        // that we write data in the largest chunks possible.  this is actually
        // necessary to workaround some common server bugs (see bug 137155).
        rv = NS_NewBufferedInputStream(getter_AddRefs(mRequestStream), multi,
                                       nsIOService::gDefaultSegmentSize);
        if (NS_FAILED(rv)) return rv;
    }
    else
        mRequestStream = headers;

    rv = mRequestStream->Available(&mRequestSize);
    if (NS_FAILED(rv)) return rv;

    // create pipe for response stream
    rv = NS_NewPipe2(getter_AddRefs(mPipeIn),
                     getter_AddRefs(mPipeOut),
                     PR_TRUE, PR_TRUE,
                     nsIOService::gDefaultSegmentSize,
                     nsIOService::gDefaultSegmentCount,
                     nsIOService::gBufferCache);
    if (NS_FAILED(rv)) return rv;

    NS_ADDREF(*responseBody = mPipeIn);
    return NS_OK;
}
nsresult
nsHttpTransaction::Init(PRUint8 caps,
                        nsHttpConnectionInfo *cinfo,
                        nsHttpRequestHead *requestHead,
                        nsIInputStream *requestBody,
                        PRBool requestBodyHasHeaders,
                        nsIEventTarget *target,
                        nsIInterfaceRequestor *callbacks,
                        nsITransportEventSink *eventsink,
                        nsIAsyncInputStream **responseBody)
{
    nsresult rv;

    LOG(("nsHttpTransaction::Init [this=%x caps=%x]\n", this, caps));

    NS_ASSERTION(cinfo, "ouch");
    NS_ASSERTION(requestHead, "ouch");
    NS_ASSERTION(target, "ouch");

    // create transport event sink proxy that coalesces all events
    rv = net_NewTransportEventSinkProxy(getter_AddRefs(mTransportSink),
                                        eventsink, target, PR_TRUE);
    if (NS_FAILED(rv)) return rv;

    // try to get the nsIHttpActivityObserver distributor
    mActivityDistributor = do_GetService(NS_HTTPACTIVITYDISTRIBUTOR_CONTRACTID, &rv);

    // mActivityDistributor may not be valid
    if (NS_SUCCEEDED(rv) && mActivityDistributor) {
        // the service is valid, now check if it is active
        PRBool active;
        rv = mActivityDistributor->GetIsActive(&active);
        if (NS_SUCCEEDED(rv) && active) {
            // the service is valid and active, gather nsISupports
            // for the channel that called Init()
            mChannel = do_QueryInterface(eventsink);
            LOG(("nsHttpTransaction::Init() " \
                 "mActivityDistributor is active " \
                 "this=%x", this));
        } else
            // the interface in valid but not active, so don't use it
            mActivityDistributor = nsnull;
    }

    NS_ADDREF(mConnInfo = cinfo);
    mCallbacks = callbacks;
    mConsumerTarget = target;
    mCaps = caps;

    if (requestHead->Method() == nsHttp::Head)
        mNoContent = PR_TRUE;

    // grab a weak reference to the request head
    mRequestHead = requestHead;

    // make sure we eliminate any proxy specific headers from 
    // the request if we are talking HTTPS via a SSL tunnel.
    PRBool pruneProxyHeaders = cinfo->UsingSSL() &&
                               cinfo->UsingHttpProxy();
    mReqHeaderBuf.Truncate();
    requestHead->Flatten(mReqHeaderBuf, pruneProxyHeaders);

#if defined(PR_LOGGING)
    if (LOG3_ENABLED()) {
        LOG3(("http request [\n"));
        LogHeaders(mReqHeaderBuf.get());
        LOG3(("]\n"));
    }
#endif

    // If the request body does not include headers or if there is no request
    // body, then we must add the header/body separator manually.
    if (!requestBodyHasHeaders || !requestBody)
        mReqHeaderBuf.AppendLiteral("\r\n");

    // report the request header
    if (mActivityDistributor)
        mActivityDistributor->ObserveActivity(
            mChannel,
            NS_HTTP_ACTIVITY_TYPE_HTTP_TRANSACTION,
            NS_HTTP_ACTIVITY_SUBTYPE_REQUEST_HEADER,
            LL_ZERO, LL_ZERO,
            mReqHeaderBuf);

    // Create a string stream for the request header buf (the stream holds
    // a non-owning reference to the request header data, so we MUST keep
    // mReqHeaderBuf around).
    nsCOMPtr<nsIInputStream> headers;
    rv = NS_NewByteInputStream(getter_AddRefs(headers),
                               mReqHeaderBuf.get(),
                               mReqHeaderBuf.Length());
    if (NS_FAILED(rv)) return rv;

    if (requestBody) {
        mHasRequestBody = PR_TRUE;

        // wrap the headers and request body in a multiplexed input stream.
        nsCOMPtr<nsIMultiplexInputStream> multi =
            do_CreateInstance(kMultiplexInputStream, &rv);
        if (NS_FAILED(rv)) return rv;

        rv = multi->AppendStream(headers);
        if (NS_FAILED(rv)) return rv;

        rv = multi->AppendStream(requestBody);
        if (NS_FAILED(rv)) return rv;

        // wrap the multiplexed input stream with a buffered input stream, so
        // that we write data in the largest chunks possible.  this is actually
        // necessary to workaround some common server bugs (see bug 137155).
        rv = NS_NewBufferedInputStream(getter_AddRefs(mRequestStream), multi,
                                       NET_DEFAULT_SEGMENT_SIZE);
        if (NS_FAILED(rv)) return rv;
    }
    else
        mRequestStream = headers;

    rv = mRequestStream->Available(&mRequestSize);
    if (NS_FAILED(rv)) return rv;

    // create pipe for response stream
    rv = NS_NewPipe2(getter_AddRefs(mPipeIn),
                     getter_AddRefs(mPipeOut),
                     PR_TRUE, PR_TRUE,
                     NS_HTTP_SEGMENT_SIZE,
                     NS_HTTP_SEGMENT_COUNT,
                     nsIOService::gBufferCache);
    if (NS_FAILED(rv)) return rv;

    NS_ADDREF(*responseBody = mPipeIn);
    return NS_OK;
}