gecko/netwerk/protocol/websocket/WebSocketChannelParent.cpp

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
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 * for the specific language governing rights and limitations under the
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 * The Original Code is Mozilla.
 *
 * The Initial Developer of the Original Code is
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 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Josh Matthews <josh@joshmatthews.net>
 *
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 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#include "WebSocketLog.h"
#include "WebSocketChannelParent.h"
#include "nsIAuthPromptProvider.h"

namespace mozilla {
namespace net {

NS_IMPL_THREADSAFE_ISUPPORTS2(WebSocketChannelParent,
                              nsIWebSocketListener,
                              nsIInterfaceRequestor)

WebSocketChannelParent::WebSocketChannelParent(nsIAuthPromptProvider* aAuthProvider)
  : mAuthProvider(aAuthProvider)
  , mIPCOpen(true)
{
#if defined(PR_LOGGING)
  if (!webSocketLog)
    webSocketLog = PR_NewLogModule("nsWebSocket");
#endif
}

bool
WebSocketChannelParent::RecvDeleteSelf()
{
  LOG(("WebSocketChannelParent::RecvDeleteSelf() %p\n", this));
  mChannel = nsnull;
  mAuthProvider = nsnull;
  return mIPCOpen ? Send__delete__(this) : true;
}

bool
WebSocketChannelParent::RecvAsyncOpen(const IPC::URI& aURI,
                                      const nsCString& aOrigin,
                                      const nsCString& aProtocol,
                                      const bool& aSecure)
{
  LOG(("WebSocketChannelParent::RecvAsyncOpen() %p\n", this));
  nsresult rv;
  if (aSecure) {
    mChannel =
      do_CreateInstance("@mozilla.org/network/protocol;1?name=wss", &rv);
  } else {
    mChannel =
      do_CreateInstance("@mozilla.org/network/protocol;1?name=ws", &rv);
  }
  if (NS_FAILED(rv))
    return CancelEarly();

  rv = mChannel->SetNotificationCallbacks(this);
  if (NS_FAILED(rv))
    return CancelEarly();

  rv = mChannel->SetProtocol(aProtocol);
  if (NS_FAILED(rv))
    return CancelEarly();

  rv = mChannel->AsyncOpen(aURI, aOrigin, this, nsnull);
  if (NS_FAILED(rv))
    return CancelEarly();

  return true;
}

bool
WebSocketChannelParent::RecvClose()
{
  LOG(("WebSocketChannelParent::RecvClose() %p\n", this));
  if (mChannel) {
    nsresult rv = mChannel->Close();
    NS_ENSURE_SUCCESS(rv, true);
  }
  return true;
}

bool
WebSocketChannelParent::RecvSendMsg(const nsCString& aMsg)
{
  LOG(("WebSocketChannelParent::RecvSendMsg() %p\n", this));
  if (mChannel) {
    nsresult rv = mChannel->SendMsg(aMsg);
    NS_ENSURE_SUCCESS(rv, true);
  }
  return true;
}

bool
WebSocketChannelParent::RecvSendBinaryMsg(const nsCString& aMsg)
{
  LOG(("WebSocketChannelParent::RecvSendBinaryMsg() %p\n", this));
  if (mChannel) {
    nsresult rv = mChannel->SendBinaryMsg(aMsg);
    NS_ENSURE_SUCCESS(rv, true);
  }
  return true;
}

bool
WebSocketChannelParent::CancelEarly()
{
  LOG(("WebSocketChannelParent::CancelEarly() %p\n", this));
  return mIPCOpen ? SendAsyncOpenFailed() : true;
}

NS_IMETHODIMP
WebSocketChannelParent::GetInterface(const nsIID & iid, void **result NS_OUTPARAM)
{
  LOG(("WebSocketChannelParent::GetInterface() %p\n", this));
  if (mAuthProvider && iid.Equals(NS_GET_IID(nsIAuthPromptProvider)))
    return mAuthProvider->GetAuthPrompt(nsIAuthPromptProvider::PROMPT_NORMAL,
                                        iid, result);

  return NS_ERROR_FAILURE;
}

NS_IMETHODIMP
WebSocketChannelParent::OnStart(nsISupports *aContext)
{
  LOG(("WebSocketChannelParent::OnStart() %p\n", this));
  nsCAutoString protocol;
  if (mChannel) {
    mChannel->GetProtocol(protocol);
  }
  if (!mIPCOpen || !SendOnStart(protocol)) {
    return NS_ERROR_FAILURE;
  }
  return NS_OK;
}

NS_IMETHODIMP
WebSocketChannelParent::OnStop(nsISupports *aContext, nsresult aStatusCode)
{
  LOG(("WebSocketChannelParent::OnStop() %p\n", this));
  if (!mIPCOpen || !SendOnStop(aStatusCode)) {
    return NS_ERROR_FAILURE;
  }
  return NS_OK;
}

NS_IMETHODIMP
WebSocketChannelParent::OnMessageAvailable(nsISupports *aContext, const nsACString& aMsg)
{
  LOG(("WebSocketChannelParent::OnMessageAvailable() %p\n", this));
  if (!mIPCOpen || !SendOnMessageAvailable(nsCString(aMsg))) {
    return NS_ERROR_FAILURE;
  }
  return NS_OK;
}

NS_IMETHODIMP
WebSocketChannelParent::OnBinaryMessageAvailable(nsISupports *aContext, const nsACString& aMsg)
{
  LOG(("WebSocketChannelParent::OnBinaryMessageAvailable() %p\n", this));
  if (!mIPCOpen || !SendOnBinaryMessageAvailable(nsCString(aMsg))) {
    return NS_ERROR_FAILURE;
  }
  return NS_OK;
}

NS_IMETHODIMP
WebSocketChannelParent::OnAcknowledge(nsISupports *aContext, PRUint32 aSize)
{
  LOG(("WebSocketChannelParent::OnAcknowledge() %p\n", this));
  if (!mIPCOpen || !SendOnAcknowledge(aSize)) {
    return NS_ERROR_FAILURE;
  }
  return NS_OK;
}

NS_IMETHODIMP
WebSocketChannelParent::OnServerClose(nsISupports *aContext)
{
  LOG(("WebSocketChannelParent::OnServerClose() %p\n", this));
  if (!mIPCOpen || !SendOnServerClose()) {
    return NS_ERROR_FAILURE;
  }
  return NS_OK;
}

void
WebSocketChannelParent::ActorDestroy(ActorDestroyReason why)
{
  LOG(("WebSocketChannelParent::ActorDestroy() %p\n", this));
  mIPCOpen = false;
}

} // namespace net
} // namespace mozilla