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// Copyright (c) 2008 The Chromium Authors. All rights reserved. Use of this
// source code is governed by a BSD-style license that can be found in the
// LICENSE file.
#include "net/ftp/ftp_network_transaction.h"
#include "base/compiler_specific.h"
#include "base/logging.h"
#include "net/base/client_socket.h"
#include "net/base/net_errors.h"
#include "net/ftp/ftp_network_session.h"
namespace net {
FtpNetworkTransaction::FtpNetworkTransaction(
FtpNetworkSession* session, ClientSocketFactory* socket_factory)
: ALLOW_THIS_IN_INITIALIZER_LIST(io_callback_(this,
&FtpNetworkTransaction::OnIOComplete)),
user_callback_(NULL),
session_(session),
socket_factory_(socket_factory),
next_state_(STATE_NONE) {
}
FtpNetworkTransaction::~FtpNetworkTransaction() {
}
void FtpNetworkTransaction::Destroy() {
delete this;
}
int FtpNetworkTransaction::Start(
const FtpRequestInfo* request_info, CompletionCallback* callback) {
request_ = request_info;
next_state_ = STATE_CTRL_INIT;
int rv = DoLoop(OK);
if (rv == ERR_IO_PENDING)
user_callback_ = callback;
return rv;
}
int FtpNetworkTransaction::RestartWithAuth(
const std::wstring& username, const std::wstring& password,
CompletionCallback* callback) {
return ERR_FAILED;
}
int FtpNetworkTransaction::Read(
char* buf, int buf_len, CompletionCallback* callback) {
return ERR_FAILED;
}
const FtpResponseInfo* FtpNetworkTransaction::GetResponseInfo() const {
return NULL;
}
LoadState FtpNetworkTransaction::GetLoadState() const {
return LOAD_STATE_IDLE;
}
uint64 FtpNetworkTransaction::GetUploadProgress() const {
return 0;
}
void FtpNetworkTransaction::DoCallback(int rv) {
DCHECK(rv != ERR_IO_PENDING);
DCHECK(user_callback_);
// Since Run may result in Read being called, clear callback_ up front.
CompletionCallback* c = user_callback_;
user_callback_ = NULL;
c->Run(rv);
}
void FtpNetworkTransaction::OnIOComplete(int result) {
int rv = DoLoop(result);
if (rv != ERR_IO_PENDING)
DoCallback(rv);
}
int FtpNetworkTransaction::DoLoop(int result) {
DCHECK(next_state_ != STATE_NONE);
int rv = result;
do {
State state = next_state_;
next_state_ = STATE_NONE;
switch (state) {
case STATE_CTRL_INIT:
DCHECK(rv == OK);
rv = DoCtrlInit();
break;
case STATE_CTRL_INIT_COMPLETE:
rv = DoCtrlInitComplete(rv);
break;
case STATE_CTRL_RESOLVE_HOST:
DCHECK(rv == OK);
rv = DoCtrlResolveHost();
break;
case STATE_CTRL_RESOLVE_HOST_COMPLETE:
rv = DoCtrlResolveHostComplete(rv);
break;
case STATE_CTRL_CONNECT:
DCHECK(rv == OK);
rv = DoCtrlConnect();
break;
case STATE_CTRL_CONNECT_COMPLETE:
rv = DoCtrlConnectComplete(rv);
break;
case STATE_CTRL_WRITE:
DCHECK(rv == OK);
rv = DoCtrlWrite();
break;
case STATE_CTRL_WRITE_COMPLETE:
rv = DoCtrlWriteComplete(rv);
break;
case STATE_CTRL_READ:
DCHECK(rv == OK);
rv = DoCtrlRead();
break;
case STATE_CTRL_READ_COMPLETE:
rv = DoCtrlReadComplete(rv);
break;
case STATE_DATA_CONNECT:
DCHECK(rv == OK);
rv = DoDataConnect();
break;
case STATE_DATA_CONNECT_COMPLETE:
rv = DoDataConnectComplete(rv);
break;
case STATE_DATA_READ:
DCHECK(rv == OK);
rv = DoDataRead();
break;
case STATE_DATA_READ_COMPLETE:
rv = DoDataReadComplete(rv);
break;
default:
NOTREACHED() << "bad state";
rv = ERR_FAILED;
break;
}
} while (rv != ERR_IO_PENDING && next_state_ != STATE_NONE);
return rv;
}
int FtpNetworkTransaction::DoCtrlInit() {
return ERR_FAILED; // TODO(darin): implement me
}
int FtpNetworkTransaction::DoCtrlInitComplete(int result) {
return ERR_FAILED; // TODO(darin): implement me
}
int FtpNetworkTransaction::DoCtrlResolveHost() {
return ERR_FAILED; // TODO(darin): implement me
}
int FtpNetworkTransaction::DoCtrlResolveHostComplete(int result) {
return ERR_FAILED; // TODO(darin): implement me
}
int FtpNetworkTransaction::DoCtrlConnect() {
return ERR_FAILED; // TODO(darin): implement me
}
int FtpNetworkTransaction::DoCtrlConnectComplete(int result) {
return ERR_FAILED; // TODO(darin): implement me
}
int FtpNetworkTransaction::DoCtrlWrite() {
return ERR_FAILED; // TODO(darin): implement me
}
int FtpNetworkTransaction::DoCtrlWriteComplete(int result) {
return ERR_FAILED; // TODO(darin): implement me
}
int FtpNetworkTransaction::DoCtrlRead() {
return ERR_FAILED; // TODO(darin): implement me
}
int FtpNetworkTransaction::DoCtrlReadComplete(int result) {
return ERR_FAILED; // TODO(darin): implement me
}
int FtpNetworkTransaction::DoDataConnect() {
return ERR_FAILED; // TODO(darin): implement me
}
int FtpNetworkTransaction::DoDataConnectComplete(int result) {
return ERR_FAILED; // TODO(darin): implement me
}
int FtpNetworkTransaction::DoDataRead() {
return ERR_FAILED; // TODO(darin): implement me
}
int FtpNetworkTransaction::DoDataReadComplete(int result) {
return ERR_FAILED; // TODO(darin): implement me
}
} // namespace net
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