зеркало из https://github.com/mozilla/gecko-dev.git
232 строки
8.3 KiB
C++
232 строки
8.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef __nsFtpConnectionThread__h_
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#define __nsFtpConnectionThread__h_
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#include "nsBaseContentStream.h"
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#include "nsString.h"
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#include "nsCOMPtr.h"
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#include "nsIAsyncInputStream.h"
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#include "nsAutoPtr.h"
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#include "nsITransport.h"
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#include "mozilla/net/DNS.h"
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#include "nsFtpControlConnection.h"
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#include "nsIProtocolProxyCallback.h"
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#ifdef MOZ_WIDGET_GONK
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#include "nsINetworkInterface.h"
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#include "nsProxyRelease.h"
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#endif
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// ftp server types
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#define FTP_GENERIC_TYPE 0
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#define FTP_UNIX_TYPE 1
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#define FTP_VMS_TYPE 8
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#define FTP_NT_TYPE 9
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#define FTP_OS2_TYPE 11
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// ftp states
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typedef enum _FTP_STATE {
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///////////////////////
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//// Internal states
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FTP_INIT,
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FTP_COMMAND_CONNECT,
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FTP_READ_BUF,
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FTP_ERROR,
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FTP_COMPLETE,
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///////////////////////
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//// Command channel connection setup states
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FTP_S_USER, FTP_R_USER,
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FTP_S_PASS, FTP_R_PASS,
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FTP_S_SYST, FTP_R_SYST,
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FTP_S_ACCT, FTP_R_ACCT,
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FTP_S_TYPE, FTP_R_TYPE,
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FTP_S_CWD, FTP_R_CWD,
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FTP_S_SIZE, FTP_R_SIZE,
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FTP_S_MDTM, FTP_R_MDTM,
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FTP_S_REST, FTP_R_REST,
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FTP_S_RETR, FTP_R_RETR,
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FTP_S_STOR, FTP_R_STOR,
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FTP_S_LIST, FTP_R_LIST,
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FTP_S_PASV, FTP_R_PASV,
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FTP_S_PWD, FTP_R_PWD,
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FTP_S_FEAT, FTP_R_FEAT,
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FTP_S_OPTS, FTP_R_OPTS
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} FTP_STATE;
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// higher level ftp actions
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typedef enum _FTP_ACTION {GET, PUT} FTP_ACTION;
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class nsFtpChannel;
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class nsICancelable;
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class nsIProxyInfo;
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class nsIStreamListener;
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// The nsFtpState object is the content stream for the channel. It implements
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// nsIInputStreamCallback, so it can read data from the control connection. It
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// implements nsITransportEventSink so it can mix status events from both the
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// control connection and the data connection.
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class nsFtpState final : public nsBaseContentStream,
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public nsIInputStreamCallback,
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public nsITransportEventSink,
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public nsIRequestObserver,
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public nsFtpControlConnectionListener,
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public nsIProtocolProxyCallback
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIINPUTSTREAMCALLBACK
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NS_DECL_NSITRANSPORTEVENTSINK
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NS_DECL_NSIREQUESTOBSERVER
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NS_DECL_NSIPROTOCOLPROXYCALLBACK
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// Override input stream methods:
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NS_IMETHOD CloseWithStatus(nsresult status) override;
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NS_IMETHOD Available(uint64_t *result) override;
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NS_IMETHOD ReadSegments(nsWriteSegmentFun fun, void *closure,
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uint32_t count, uint32_t *result) override;
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// nsFtpControlConnectionListener methods:
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virtual void OnControlDataAvailable(const char *data, uint32_t dataLen) override;
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virtual void OnControlError(nsresult status) override;
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nsFtpState();
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nsresult Init(nsFtpChannel *channel);
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protected:
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// Notification from nsBaseContentStream::AsyncWait
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virtual void OnCallbackPending() override;
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private:
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virtual ~nsFtpState();
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///////////////////////////////////
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// BEGIN: STATE METHODS
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nsresult S_user(); FTP_STATE R_user();
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nsresult S_pass(); FTP_STATE R_pass();
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nsresult S_syst(); FTP_STATE R_syst();
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nsresult S_acct(); FTP_STATE R_acct();
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nsresult S_type(); FTP_STATE R_type();
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nsresult S_cwd(); FTP_STATE R_cwd();
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nsresult S_size(); FTP_STATE R_size();
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nsresult S_mdtm(); FTP_STATE R_mdtm();
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nsresult S_list(); FTP_STATE R_list();
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nsresult S_rest(); FTP_STATE R_rest();
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nsresult S_retr(); FTP_STATE R_retr();
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nsresult S_stor(); FTP_STATE R_stor();
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nsresult S_pasv(); FTP_STATE R_pasv();
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nsresult S_pwd(); FTP_STATE R_pwd();
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nsresult S_feat(); FTP_STATE R_feat();
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nsresult S_opts(); FTP_STATE R_opts();
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// END: STATE METHODS
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///////////////////////////////////
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// internal methods
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void MoveToNextState(FTP_STATE nextState);
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nsresult Process();
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void KillControlConnection();
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nsresult StopProcessing();
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nsresult EstablishControlConnection();
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nsresult SendFTPCommand(const nsCSubstring& command);
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void ConvertFilespecToVMS(nsCString& fileSpec);
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void ConvertDirspecToVMS(nsCString& fileSpec);
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void ConvertDirspecFromVMS(nsCString& fileSpec);
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nsresult BuildStreamConverter(nsIStreamListener** convertStreamListener);
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nsresult SetContentType();
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/**
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* This method is called to kick-off the FTP state machine. mState is
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* reset to FTP_COMMAND_CONNECT, and the FTP state machine progresses from
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* there. This method is initially called (indirectly) from the channel's
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* AsyncOpen implementation.
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*/
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void Connect();
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///////////////////////////////////
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// Private members
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// ****** state machine vars
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FTP_STATE mState; // the current state
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FTP_STATE mNextState; // the next state
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bool mKeepRunning; // thread event loop boolean
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int32_t mResponseCode; // the last command response code
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nsCString mResponseMsg; // the last command response text
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// ****** channel/transport/stream vars
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RefPtr<nsFtpControlConnection> mControlConnection; // cacheable control connection (owns mCPipe)
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bool mReceivedControlData;
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bool mTryingCachedControl; // retrying the password
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bool mRETRFailed; // Did we already try a RETR and it failed?
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uint64_t mFileSize;
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nsCString mModTime;
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// ****** consumer vars
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RefPtr<nsFtpChannel> mChannel; // our owning FTP channel we pass through our events
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nsCOMPtr<nsIProxyInfo> mProxyInfo;
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// ****** connection cache vars
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int32_t mServerType; // What kind of server are we talking to
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// ****** protocol interpretation related state vars
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nsString mUsername; // username
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nsString mPassword; // password
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FTP_ACTION mAction; // the higher level action (GET/PUT)
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bool mAnonymous; // try connecting anonymous (default)
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bool mRetryPass; // retrying the password
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bool mStorReplyReceived; // FALSE if waiting for STOR
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// completion status from server
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nsresult mInternalError; // represents internal state errors
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bool mReconnectAndLoginAgain;
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bool mCacheConnection;
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// ****** URI vars
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int32_t mPort; // the port to connect to
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nsString mFilename; // url filename (if any)
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nsCString mPath; // the url's path
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nsCString mPwd; // login Path
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// ****** other vars
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nsCOMPtr<nsITransport> mDataTransport;
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nsCOMPtr<nsIAsyncInputStream> mDataStream;
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nsCOMPtr<nsIRequest> mUploadRequest;
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bool mAddressChecked;
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bool mServerIsIPv6;
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bool mUseUTF8;
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mozilla::net::NetAddr mServerAddress;
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// ***** control read gvars
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nsresult mControlStatus;
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nsCString mControlReadCarryOverBuf;
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nsCString mSuppliedEntityID;
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nsCOMPtr<nsICancelable> mProxyRequest;
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bool mDeferredCallbackPending;
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// These members are used for network per-app metering (bug 855948)
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// Currently, they are only available on gonk.
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uint64_t mCountRecv;
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#ifdef MOZ_WIDGET_GONK
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nsMainThreadPtrHandle<nsINetworkInfo> mActiveNetworkInfo;
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#endif
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nsresult SaveNetworkStats(bool);
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void CountRecvBytes(uint64_t recvBytes)
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{
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mCountRecv += recvBytes;
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SaveNetworkStats(false);
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}
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};
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#endif //__nsFtpConnectionThread__h_
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