import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

netwerk/protocol/ftp/nsFtpControlConnection.h

@@ -0,0 +1,85 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:set et ts=4 sts=4 sw=4 cin: */
+/* 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/. */
+
+#ifndef nsFtpControlConnection_h___
+#define nsFtpControlConnection_h___
+
+#include "nsCOMPtr.h"
+
+#include "nsISocketTransport.h"
+#include "nsIAsyncInputStream.h"
+#include "nsAutoPtr.h"
+#include "nsString.h"
+#include "mozilla/Attributes.h"
+
+class nsIOutputStream;
+class nsIProxyInfo;
+class nsITransportEventSink;
+
+class nsFtpControlConnectionListener : public nsISupports {
+public:
+    /**
+     * Called when a chunk of data arrives on the control connection.
+     * @param data
+     *        The new data or null if an error occurred.
+     * @param dataLen
+     *        The data length in bytes.
+     */
+    virtual void OnControlDataAvailable(const char *data, uint32_t dataLen) = 0;
+
+    /**
+     * Called when an error occurs on the control connection.
+     * @param status
+     *        A failure code providing more info about the error.
+     */
+    virtual void OnControlError(nsresult status) = 0;
+};
+
+class nsFtpControlConnection final : public nsIInputStreamCallback
+{
+    ~nsFtpControlConnection();
+
+public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSIINPUTSTREAMCALLBACK
+
+    nsFtpControlConnection(const nsCSubstring& host, uint32_t port);
+
+    nsresult Connect(nsIProxyInfo* proxyInfo, nsITransportEventSink* eventSink);
+    nsresult Disconnect(nsresult status);
+    nsresult Write(const nsCSubstring& command);
+
+    bool IsAlive();
+
+    nsITransport *Transport()   { return mSocket; }
+
+    /**
+     * Call this function to be notified asynchronously when there is data
+     * available for the socket.  The listener passed to this method replaces
+     * any existing listener, and the listener can be null to disconnect the
+     * previous listener.
+     */
+    nsresult WaitData(nsFtpControlConnectionListener *listener);
+
+    uint32_t         mServerType;           // what kind of server is it.
+    nsString         mPassword;
+    int32_t          mSuspendedWrite;
+    nsCString        mPwd;
+    uint32_t         mSessionId;
+    bool             mUseUTF8;
+
+private:
+    nsCString mHost;
+    uint32_t  mPort;
+
+    nsCOMPtr<nsISocketTransport>     mSocket;
+    nsCOMPtr<nsIOutputStream>        mSocketOutput;
+    nsCOMPtr<nsIAsyncInputStream>    mSocketInput;
+
+    RefPtr<nsFtpControlConnectionListener> mListener;
+};
+
+#endif