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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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231
netwerk/protocol/ftp/nsFtpConnectionThread.h Normal file
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 __nsFtpConnectionThread__h_
#define __nsFtpConnectionThread__h_
#include "nsBaseContentStream.h"
#include "nsString.h"
#include "nsCOMPtr.h"
#include "nsIAsyncInputStream.h"
#include "nsAutoPtr.h"
#include "nsITransport.h"
#include "mozilla/net/DNS.h"
#include "nsFtpControlConnection.h"
#include "nsIProtocolProxyCallback.h"
#ifdef MOZ_WIDGET_GONK
#include "nsINetworkInterface.h"
#include "nsProxyRelease.h"
#endif
// ftp server types
#define FTP_GENERIC_TYPE 0
#define FTP_UNIX_TYPE 1
#define FTP_VMS_TYPE 8
#define FTP_NT_TYPE 9
#define FTP_OS2_TYPE 11
// ftp states
typedef enum _FTP_STATE {
///////////////////////
//// Internal states
FTP_INIT,
FTP_COMMAND_CONNECT,
FTP_READ_BUF,
FTP_ERROR,
FTP_COMPLETE,
///////////////////////
//// Command channel connection setup states
FTP_S_USER, FTP_R_USER,
FTP_S_PASS, FTP_R_PASS,
FTP_S_SYST, FTP_R_SYST,
FTP_S_ACCT, FTP_R_ACCT,
FTP_S_TYPE, FTP_R_TYPE,
FTP_S_CWD, FTP_R_CWD,
FTP_S_SIZE, FTP_R_SIZE,
FTP_S_MDTM, FTP_R_MDTM,
FTP_S_REST, FTP_R_REST,
FTP_S_RETR, FTP_R_RETR,
FTP_S_STOR, FTP_R_STOR,
FTP_S_LIST, FTP_R_LIST,
FTP_S_PASV, FTP_R_PASV,
FTP_S_PWD, FTP_R_PWD,
FTP_S_FEAT, FTP_R_FEAT,
FTP_S_OPTS, FTP_R_OPTS
} FTP_STATE;
// higher level ftp actions
typedef enum _FTP_ACTION {GET, PUT} FTP_ACTION;
class nsFtpChannel;
class nsICancelable;
class nsIProxyInfo;
class nsIStreamListener;
// The nsFtpState object is the content stream for the channel. It implements
// nsIInputStreamCallback, so it can read data from the control connection. It
// implements nsITransportEventSink so it can mix status events from both the
// control connection and the data connection.
class nsFtpState final : public nsBaseContentStream,
public nsIInputStreamCallback,
public nsITransportEventSink,
public nsIRequestObserver,
public nsFtpControlConnectionListener,
public nsIProtocolProxyCallback
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIINPUTSTREAMCALLBACK
NS_DECL_NSITRANSPORTEVENTSINK
NS_DECL_NSIREQUESTOBSERVER
NS_DECL_NSIPROTOCOLPROXYCALLBACK
// Override input stream methods:
NS_IMETHOD CloseWithStatus(nsresult status) override;
NS_IMETHOD Available(uint64_t *result) override;
NS_IMETHOD ReadSegments(nsWriteSegmentFun fun, void *closure,
uint32_t count, uint32_t *result) override;
// nsFtpControlConnectionListener methods:
virtual void OnControlDataAvailable(const char *data, uint32_t dataLen) override;
virtual void OnControlError(nsresult status) override;
nsFtpState();
nsresult Init(nsFtpChannel *channel);
protected:
// Notification from nsBaseContentStream::AsyncWait
virtual void OnCallbackPending() override;
private:
virtual ~nsFtpState();
///////////////////////////////////
// BEGIN: STATE METHODS
nsresult S_user(); FTP_STATE R_user();
nsresult S_pass(); FTP_STATE R_pass();
nsresult S_syst(); FTP_STATE R_syst();
nsresult S_acct(); FTP_STATE R_acct();
nsresult S_type(); FTP_STATE R_type();
nsresult S_cwd(); FTP_STATE R_cwd();
nsresult S_size(); FTP_STATE R_size();
nsresult S_mdtm(); FTP_STATE R_mdtm();
nsresult S_list(); FTP_STATE R_list();
nsresult S_rest(); FTP_STATE R_rest();
nsresult S_retr(); FTP_STATE R_retr();
nsresult S_stor(); FTP_STATE R_stor();
nsresult S_pasv(); FTP_STATE R_pasv();
nsresult S_pwd(); FTP_STATE R_pwd();
nsresult S_feat(); FTP_STATE R_feat();
nsresult S_opts(); FTP_STATE R_opts();
// END: STATE METHODS
///////////////////////////////////
// internal methods
void MoveToNextState(FTP_STATE nextState);
nsresult Process();
void KillControlConnection();
nsresult StopProcessing();
nsresult EstablishControlConnection();
nsresult SendFTPCommand(const nsCSubstring& command);
void ConvertFilespecToVMS(nsCString& fileSpec);
void ConvertDirspecToVMS(nsCString& fileSpec);
void ConvertDirspecFromVMS(nsCString& fileSpec);
nsresult BuildStreamConverter(nsIStreamListener** convertStreamListener);
nsresult SetContentType();
/**
* This method is called to kick-off the FTP state machine. mState is
* reset to FTP_COMMAND_CONNECT, and the FTP state machine progresses from
* there. This method is initially called (indirectly) from the channel's
* AsyncOpen implementation.
*/
void Connect();
///////////////////////////////////
// Private members
// ****** state machine vars
FTP_STATE mState; // the current state
FTP_STATE mNextState; // the next state
bool mKeepRunning; // thread event loop boolean
int32_t mResponseCode; // the last command response code
nsCString mResponseMsg; // the last command response text
// ****** channel/transport/stream vars
RefPtr<nsFtpControlConnection> mControlConnection; // cacheable control connection (owns mCPipe)
bool mReceivedControlData;
bool mTryingCachedControl; // retrying the password
bool mRETRFailed; // Did we already try a RETR and it failed?
uint64_t mFileSize;
nsCString mModTime;
// ****** consumer vars
RefPtr<nsFtpChannel> mChannel; // our owning FTP channel we pass through our events
nsCOMPtr<nsIProxyInfo> mProxyInfo;
// ****** connection cache vars
int32_t mServerType; // What kind of server are we talking to
// ****** protocol interpretation related state vars
nsString mUsername; // username
nsString mPassword; // password
FTP_ACTION mAction; // the higher level action (GET/PUT)
bool mAnonymous; // try connecting anonymous (default)
bool mRetryPass; // retrying the password
bool mStorReplyReceived; // FALSE if waiting for STOR
// completion status from server
nsresult mInternalError; // represents internal state errors
bool mReconnectAndLoginAgain;
bool mCacheConnection;
// ****** URI vars
int32_t mPort; // the port to connect to
nsString mFilename; // url filename (if any)
nsCString mPath; // the url's path
nsCString mPwd; // login Path
// ****** other vars
nsCOMPtr<nsITransport> mDataTransport;
nsCOMPtr<nsIAsyncInputStream> mDataStream;
nsCOMPtr<nsIRequest> mUploadRequest;
bool mAddressChecked;
bool mServerIsIPv6;
bool mUseUTF8;
mozilla::net::NetAddr mServerAddress;
// ***** control read gvars
nsresult mControlStatus;
nsCString mControlReadCarryOverBuf;
nsCString mSuppliedEntityID;
nsCOMPtr<nsICancelable> mProxyRequest;
bool mDeferredCallbackPending;
// These members are used for network per-app metering (bug 855948)
// Currently, they are only available on gonk.
uint64_t mCountRecv;
#ifdef MOZ_WIDGET_GONK
nsMainThreadPtrHandle<nsINetworkInfo> mActiveNetworkInfo;
#endif
nsresult SaveNetworkStats(bool);
void CountRecvBytes(uint64_t recvBytes)
{
mCountRecv += recvBytes;
SaveNetworkStats(false);
}
};
#endif //__nsFtpConnectionThread__h_