public int ExportOneRecord(
RmsChannel channel,
DigitalPlatform.Stop stop,
string strServerUrl,
string strRecPath,
string strXmlBody,
string strMetadata,
byte[] baTimestamp,
out string strError)
{
strError = "";
if (this.FileType == ExportFileType.XmlFile)
{
XmlDocument dom = new XmlDocument();
try
{
dom.LoadXml(strXmlBody);
ResPath respathtemp = new ResPath();
respathtemp.Url = strServerUrl;
respathtemp.Path = strRecPath;
// DomUtil.SetAttr(dom.DocumentElement, "xmlns:dprms", DpNs.dprms);
// 给根元素设置几个参数
DomUtil.SetAttr(dom.DocumentElement, "path", DpNs.dprms, respathtemp.FullPath);
DomUtil.SetAttr(dom.DocumentElement, "timestamp", DpNs.dprms, ByteArray.GetHexTimeStampString(baTimestamp));
// DomUtil.SetAttr(dom.DocumentElement, "xmlns:marc", null);
dom.DocumentElement.WriteTo(writer);
}
catch (Exception ex)
{
strError = ExceptionUtil.GetAutoText(ex);
return(-1);
}
}
if (this.FileType == ExportFileType.BackupFile)
{
Debug.Assert(channel != null, "");
// 将主记录和相关资源写入备份文件
int nRet = WriteRecordToBackupFile(
this.m_owner,
channel,
stop,
this.outputfile,
strRecPath, // 记录路径
strMetadata,
strXmlBody,
baTimestamp,
out strError);
if (nRet == -1)
{
return(-1);
}
}
return(0);
}
// 根据 query string，获得指定一期的期记录数量
// query string 是调用前从册记录中 volume 等字段综合取得的
// parameters:
// strBiblioPath 书目记录路径
// strQueryString 检索词。例如 “2005|1|1000|50”。格式为 年|期号|总期号|卷号。一般为 年|期号| 即可。
public static int GetIssueCount(this LibraryChannel channel,
DigitalPlatform.Stop stop,
string strBiblioRecPath,
string strQueryString,
out string strError)
{
strError = "";
string strBiblioRecordID = StringUtil.GetRecordId(strBiblioRecPath);
string strStyle = "query:父记录+期号|" + strBiblioRecordID + "|" + strQueryString;
DigitalPlatform.LibraryClient.localhost.EntityInfo[] issueinfos = null;
long lRet = channel.GetIssues(stop,
strBiblioRecPath,
0,
1,
strStyle,
channel.Lang,
out issueinfos,
out strError);
if (lRet == -1)
{
return(-1);
}
return((int)lRet);
}
// 内部调用
public static int GetNumber(
DigitalPlatform.Stop stop,
string strUrl,
string strID,
string strAuthor,
bool bSelectPinyin,
bool bSelectEntry,
bool bOutputDebugInfo,
ref Question[] questions,
out string strNumber,
out string strDebugInfo,
out string strError)
{
strError = "";
strNumber = "";
strDebugInfo = "";
EndpointAddress address = new EndpointAddress(strUrl);
GcatServiceClient client = new GcatServiceClient(CreateBasicHttpBinding0(), address);
try
{
IAsyncResult soapresult = client.BeginGetNumber(
strID,
strAuthor,
bSelectPinyin,
bSelectEntry,
bOutputDebugInfo,
ref questions,
null,
null);
for (; ;)
{
bool bRet = DoIdle(stop); // 出让控制权，避免CPU资源耗费过度
if (bRet == true)
{
strError = "用户中断";
return(-1);
}
if (soapresult.IsCompleted)
{
break;
}
}
return(client.EndGetNumber(
ref questions,
out strNumber,
out strDebugInfo,
out strError,
soapresult));
}
catch (Exception ex)
{
strError = ConvertWebError(ex, strUrl);
return(-1);
}
}
private void ChangePasswordDlg_Closed(object sender, System.EventArgs e)
{
if (stop != null) // 脱离关联
{
stop.Unregister(); // 和容器关联
stop = null;
}
}
// parameters:
// strAction 动作。为"new" "change" "delete" "onlydeletebiblio"之一。"delete"在删除书目记录的同时，会自动删除下属的实体记录。不过要求实体均未被借出才能删除。
// return:
// -2 登录不成功
// -1 出错
// 0 成功
public static int UpdateRecord(
DigitalPlatform.Stop stop,
string strUrl,
string strAuthString,
string strAction,
string strRecPath,
string strFormat,
string strRecord,
string strTimestamp,
out string strOutputRecPath,
out string strOutputTimestamp,
out string strError)
{
strError = "";
strOutputRecPath = "";
strOutputTimestamp = "";
EndpointAddress address = new EndpointAddress(strUrl);
UnionCatalogServiceClient client = new UnionCatalogServiceClient(CreateBasicHttpBinding0(), address);
try
{
IAsyncResult soapresult = client.BeginUpdateRecord(
strAuthString,
strAction,
strRecPath,
strFormat,
strRecord,
strTimestamp,
null,
null);
for (; ;)
{
bool bRet = DoIdle(stop); // 出让控制权，避免CPU资源耗费过度
if (bRet == true)
{
strError = "用户中断";
return(-1);
}
if (soapresult.IsCompleted)
{
break;
}
}
return(client.EndUpdateRecord(
out strOutputRecPath,
out strOutputTimestamp,
out strError,
soapresult));
}
catch (Exception ex)
{
strError = ConvertWebError(ex, strUrl);
return(-1);
}
}
private void ChangePasswordDlg_Load(object sender, System.EventArgs e)
{
textBox_url.Text = Url;
textBox_userName.Text = UserName;
stopManager.Initial(button_Cancel,
label_message,
null);
stopManager.LinkReverseButton(button_OK);
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
}
public FileItemLoader(LibraryChannel channel,
DigitalPlatform.Stop stop,
string category,
string filename)
{
this.Channel = channel;
this.Stop = stop;
this.Category = category;
this.FileName = filename;
//this.Style = style;
//this.Lang = lang;
}
public ResultSetLoader(LibraryChannel channel,
DigitalPlatform.Stop stop,
string resultsetName,
string formatList,
string lang = "zh")
{
this.Channel = channel;
this.Stop = stop;
this.ResultSetName = resultsetName;
this.FormatList = formatList;
this.Lang = lang;
}
public DirItemLoader(LibraryChannel channel,
DigitalPlatform.Stop stop,
string path,
string style,
string lang = "zh")
{
this.Channel = channel;
this.Stop = stop;
this.Path = path;
this.Style = style;
this.Lang = lang;
}
private void DtlpDupForm_FormClosed(object sender, FormClosedEventArgs e)
{
EventFinish.Set();
if (stop != null) // 脱离关联
{
stop.Style = StopStyle.None; // 需要强制中断
stop.DoStop();
stop.Unregister(); // 和容器脱离关联
stop = null;
}
}
private void DupForm_Load(object sender, EventArgs e)
{
Debug.Assert(this.dom != null, "尚未Initial()");
stop = new DigitalPlatform.Stop();
if (this.stopManager != null)
{
stop.Register(this.stopManager, true); // 和容器关联
}
// 自动启动查重
if (this.AutoBeginSearch == true)
{
API.PostMessage(this.Handle, WM_INITIAL, 0, 0);
}
}
public RecordLoader(
RmsChannelCollection channels,
DigitalPlatform.Stop stop,
List <string> paths,
string resultsetName,
string formatList,
string lang = "zh")
{
this.Channels = channels;
this.Stop = stop;
this.ResultSetName = resultsetName;
this.FormatList = formatList;
this.Lang = lang;
this.Paths = paths;
}
// 内部调用
// return:
// -2 strID验证失败
// -1 出错
// 0 成功
public static int SplitHanzi(
DigitalPlatform.Stop stop,
GcatServiceClient client,
string strID,
string strText,
out string [] tokens,
out string strError)
{
strError = "";
tokens = null;
try
{
IAsyncResult soapresult = client.BeginSplitHanzi(
strID,
strText,
null,
null);
for (; ;)
{
bool bRet = DoIdle(stop); // 出让控制权，避免CPU资源耗费过度
if (bRet == true)
{
strError = "用户中断";
return(-1);
}
if (soapresult.IsCompleted)
{
break;
}
}
return(client.EndSplitHanzi(
out tokens,
out strError,
soapresult));
}
catch (Exception ex)
{
strError = ConvertWebError(ex, client.Endpoint.Address.Uri.ToString());
return(-1);
}
}
// 包装后的版本
public static int SetPinyin(
DigitalPlatform.Stop stop,
string strUrl,
string strID,
string strPinyinXml,
out string strError)
{
GcatServiceClient client = CreateChannel(strUrl);
try
{
return(SetPinyin(stop,
client,
strID,
strPinyinXml,
out strError));
}
finally
{
client.Close();
}
}
// 包装后的版本
public static int SplitHanzi(
DigitalPlatform.Stop stop,
string strUrl,
string strID,
string strText,
out string[] tokens,
out string strError)
{
GcatServiceClient client = CreateChannel(strUrl);
try
{
return(SplitHanzi(stop,
client,
strID,
strText,
out tokens,
out strError));
}
finally
{
client.Close();
}
}
// 递归
public int Fill(TreeNode node,
out string strError)
{
strError = "";
TreeNodeCollection children = null;
if (node == null)
{
children = this.Nodes;
}
else
{
children = node.Nodes;
}
int i;
// 填充根
if (node == null)
{
children.Clear();
for(i=0;i<Servers.Count;i++)
{
Server server = (Server)Servers[i];
TreeNode nodeNew = new TreeNode(server.Url, RESTYPE_SERVER, RESTYPE_SERVER);
SetLoading(nodeNew);
if (EnabledIndices != null
&& StringUtil.IsInList(nodeNew.ImageIndex, EnabledIndices) == false)
nodeNew.ForeColor = ControlPaint.LightLight(nodeNew.ForeColor);
children.Add(nodeNew);
}
return 0;
}
// 根以下的节点类型
ResPath respath = new ResPath(node);
this.channel = Channels.GetChannel(respath.Url);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
/*
int nStart = 0;
int nPerCount = -1;
int nCount = 0;
*/
ResInfoItem [] items = null;
#if NO
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在列目录: " + respath.FullPath);
stop.BeginLoop();
}
#endif
DigitalPlatform.Stop stop = PrepareStop("正在列目录: " + respath.FullPath);
long lRet = 0;
try
{
lRet = channel.DoDir(respath.Path,
this.Lang,
null, // 不需要列出全部语言的名字
out items,
out strError);
}
finally
{
EndStop(stop);
}
#if NO
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
stop.Unregister(); // 和容器关联
}
#endif
this.channel = null;
if (lRet == -1)
{
#if NO
try
{
MessageBox.Show(this, "Channel::DoDir() Error: " + strError);
}
catch
{
// this可能已经不存在
return -1;
}
#endif
if (node != null)
{
SetLoading(node); // 出错的善后处理，重新出现+号
node.Collapse();
}
return -1;
}
if (items != null)
{
children.Clear();
//for(i=0;i<items.Length;i++)
foreach(ResInfoItem res_item in items)
{
// ResInfoItem res_item = items[i];
TreeNode nodeNew = new TreeNode(res_item.Name, res_item.Type, res_item.Type);
if (res_item.Type == RESTYPE_DB)
{
DbProperty prop = new DbProperty();
prop.TypeString = res_item.TypeString; // 类型字符串
nodeNew.Tag = prop;
List<string> column_names = null;
int nRet = GetBrowseColumns(
node.Text,
res_item.Name,
out column_names,
out strError);
if (nRet == -1)
return -1;
prop.ColumnNames = column_names;
}
else
{
ItemProperty prop = new ItemProperty();
prop.TypeString = res_item.TypeString; // 类型字符串
nodeNew.Tag = prop;
}
if (res_item.HasChildren)
SetLoading(nodeNew);
if (EnabledIndices != null
&& StringUtil.IsInList(nodeNew.ImageIndex, EnabledIndices) == false)
nodeNew.ForeColor = ControlPaint.LightLight(nodeNew.ForeColor);
children.Add(nodeNew);
}
}
return 0;
}
// 登出
void menu_logout(object sender, System.EventArgs e)
{
if (this.SelectedNode == null)
{
MessageBox.Show(this, "尚未选择节点");
return;
}
ResPath respath = new ResPath(this.SelectedNode);
this.channel = Channels.GetChannel(respath.Url);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
#if NO
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在登出: " + respath.FullPath);
stop.BeginLoop();
}
#endif
DigitalPlatform.Stop stop = PrepareStop("正在登出: " + respath.FullPath);
string strError;
// return:
// -1 error
// 0 login failed
// 1 login succeed
long nRet = channel.DoLogout(
out strError);
EndStop(stop);
#if NO
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
stop.Unregister(); // 和容器关联
}
#endif
this.channel = null;
if (nRet == -1)
{
MessageBox.Show(this, strError);
return;
}
// 刷新
//ResPath OldPath = new ResPath(this.SelectedNode);
respath.Path = "";
ExpandPath(respath); // 选中服务器，以下节点清除
SetLoading(this.SelectedNode);
if (this.SelectedNode != null)
this.SelectedNode.Collapse();
//ExpandPath(OldPath);
}
// 获得指定一期的封面图片 URI
// parameters:
// strBiblioPath 书目记录路径
// strQueryString 检索词。例如 “2005|1|1000|50”。格式为 年|期号|总期号|卷号。一般为 年|期号| 即可。
public static int GetIssueCoverImageUri(this LibraryChannel channel,
DigitalPlatform.Stop stop,
string strBiblioRecPath,
string strQueryString,
string strPreferredType,
out string strUri,
out string strError)
{
strUri = "";
strError = "";
string strBiblioRecordID = StringUtil.GetRecordId(strBiblioRecPath);
string strStyle = "query:父记录+期号|" + strBiblioRecordID + "|" + strQueryString;
DigitalPlatform.LibraryClient.localhost.EntityInfo[] issueinfos = null;
long lRet = channel.GetIssues(stop,
strBiblioRecPath,
0,
1,
strStyle,
channel.Lang,
out issueinfos,
out strError);
if (lRet == -1)
{
return(-1);
}
if (lRet == 0)
{
return(0); // not found
}
EntityInfo info = issueinfos[0];
string strXml = info.OldRecord;
string strIssueRecordPath = info.OldRecPath;
if (string.IsNullOrEmpty(strXml))
{
strError = "期记录 '" + strIssueRecordPath + "' 的 strXml 为空";
return(-1);
}
XmlDocument dom = new XmlDocument();
try
{
dom.LoadXml(strXml);
}
catch (Exception ex)
{
strError = "期记录 '" + strIssueRecordPath + "' XML 装入 DOM 时出错: " + ex.Message;
return(-1);
}
string strObjectID = dp2StringUtil.GetCoverImageIDFromIssueRecord(dom, strPreferredType);
if (string.IsNullOrEmpty(strObjectID))
{
return(0);
}
strUri = strIssueRecordPath + "/object/" + strObjectID;
return(1);
}
private void CfgFileEditDlg_Load(object sender, System.EventArgs e)
{
button_export.Enabled = false;
MemoryStream stream = null;
string strMetaData;
string strError = "";
string strMime = "";
Hashtable values = null;
if (Obj != null)
{
if (this.Obj.Content != null)
{
stream = new MemoryStream(this.Obj.Content);
this.Stream = stream;
this.Stream.Seek(0, SeekOrigin.Begin);
button_export.Enabled = true;
}
this.TimeStamp = this.Obj.TimeStamp;
strMetaData = this.Obj.Metadata;
// 观察mime
// 取metadata
values = StringUtil.ParseMetaDataXml(strMetaData,
out strError);
if (values == null)
{
MessageBox.Show(this, strError);
return;
}
strMime = (string)values["mimetype"];
if (strMime == null || strMime == "")
strMime = "text";
this.Mime = strMime;
this.LocalPath = (string)values["localpath"];
if (this.LocalPath == null)
this.LocalPath = "";
this.textBox_content.Text = "";
// string strFirstPart = StringUtil.GetFirstPartPath(ref strMime);
if (this.IsText == true)
{
if (this.Stream != null)
{
this.Stream.Seek(0, SeekOrigin.Begin);
using (StreamReader sr = new StreamReader(this.Stream, Encoding.UTF8))
{
this.textBox_content.Text = ConvertCrLf(sr.ReadToEnd());
}
}
}
else
{
}
//////
button_OK.Enabled = false;
this.textBox_content.SelectionStart = 0;
this.textBox_content.SelectionLength = 0;
return;
}
this.channel = Channels.GetChannel(this.ServerUrl);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在下载配置文件: " + this.Path);
stop.BeginLoop();
}
// string strContent = "";
byte[] baTimeStamp = null;
string strOutputPath;
string strStyle = "content,data,metadata,timestamp,outputpath";
// string strStyle = "attachment,data,metadata,timestamp,outputpath";
stream = new MemoryStream();
long lRet = channel.GetRes(
this.Path,
stream,
stop, // stop,
strStyle,
null, // byte [] input_timestamp,
out strMetaData,
out baTimeStamp,
out strOutputPath,
out strError);
/*
long lRet = channel.GetRes((
this.Path,
out strContent,
out strMetaData,
out baTimeStamp,
out strOutputPath,
out strError);
*/
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
}
if (lRet == -1)
{
MessageBox.Show(this, strError);
goto FINISH;
}
this.Stream = stream;
this.Stream.Seek(0, SeekOrigin.Begin);
button_export.Enabled = true;
this.TimeStamp = baTimeStamp;
// 观察mime
// 取metadata
values = StringUtil.ParseMetaDataXml(strMetaData,
out strError);
if (values == null)
{
MessageBox.Show(this, strError);
goto FINISH;
}
strMime = (string)values["mimetype"];
if (strMime == null || strMime == "")
strMime = "text";
this.Mime = strMime;
this.LocalPath = (string)values["localpath"];
if (this.LocalPath == null)
this.LocalPath = "";
// string strFirstPart = StringUtil.GetFirstPartPath(ref strMime);
if (this.IsText == true)
{
this.Stream.Seek(0, SeekOrigin.Begin);
using (StreamReader sr = new StreamReader(this.Stream, Encoding.UTF8))
{
this.textBox_content.Text = ConvertCrLf(sr.ReadToEnd());
}
// 注意，此后 this.Stream 被关闭
}
else
{
//this.textBox_content.Text = "<二进制内容无法直接编辑>";
//this.textBox_content.ReadOnly = true;
//this.button_format.Enabled = false;
}
//////
button_OK.Enabled = false;
FINISH:
if (stopManager != null && stop != null)
{
stop.Unregister(); // 和容器关联
stop = null;
}
this.channel = null;
this.textBox_content.SelectionStart = 0;
this.textBox_content.SelectionLength = 0;
}
// 递归
public int Fill(TreeNode node)
{
TreeNodeCollection children = null;
if (node == null)
{
children = this.Nodes;
}
else
{
children = node.Nodes;
}
int i;
// 填充根
if (node == null)
{
children.Clear();
TreeNode nodeNew = new TreeNode(this.ServerUrl, ResTree.RESTYPE_SERVER, ResTree.RESTYPE_SERVER);
ResTree.SetLoading(nodeNew);
NodeInfo nodeinfo = new NodeInfo();
nodeinfo.TreeNode = nodeNew;
nodeinfo.Expandable = true;
nodeinfo.DefElement = GetDefElementString(nodeNew.ImageIndex);
nodeinfo.NodeState |= NodeState.Object;
nodeNew.Tag = nodeinfo;
if (EnabledIndices != null
&& StringUtil.IsInList(nodeNew.ImageIndex, EnabledIndices) == false)
nodeNew.ForeColor = ControlPaint.LightLight(nodeNew.ForeColor);
children.Add(nodeNew);
return 0;
}
// 根以下的节点类型
ResPath respath = new ResPath(node);
string strPath = respath.Path;
//if (node != null)
// strPath = TreeViewUtil.GetPath(node);
this.channel = Channels.GetChannel(this.ServerUrl);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
ResInfoItem [] items = null;
string strError = "";
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在列目录: " + this.ServerUrl + "?" + strPath);
stop.BeginLoop();
}
long lRet = channel.DoDir(strPath,
this.Lang,
null, // 不需要列出全部语言的名字
out items,
out strError);
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
stop.Unregister(); // 和容器关联
}
this.channel = null;
if (lRet == -1)
{
try
{
MessageBox.Show(this, "Channel::DoDir() Error: " + strError);
}
catch
{
// this可能已经不存在
return -1;
}
if (node != null)
{
ResTree.SetLoading(node); // 出错的善后处理，重新出现+号
node.Collapse();
}
return -1;
}
if (items != null)
{
children.Clear();
for(i=0;i<items.Length;i++)
{
// 忽略from类型节点
if (items[i].Type == ResTree.RESTYPE_FROM)
continue;
TreeNode nodeNew = new TreeNode(items[i].Name, items[i].Type, items[i].Type);
NodeInfo nodeinfo = new NodeInfo();
nodeinfo.TreeNode = nodeNew;
nodeinfo.Expandable = items[i].HasChildren;
nodeinfo.DefElement = GetDefElementString(nodeNew.ImageIndex);
nodeinfo.NodeState |= NodeState.Object;
nodeinfo.Style = items[i].Style;
nodeNew.Tag = nodeinfo;
if (items[i].HasChildren)
ResTree.SetLoading(nodeNew);
if (EnabledIndices != null
&& StringUtil.IsInList(nodeNew.ImageIndex, EnabledIndices) == false)
nodeNew.ForeColor = ControlPaint.LightLight(nodeNew.ForeColor);
children.Add(nodeNew);
}
}
return 0;
}
DigitalPlatform.Stop PrepareStop(string strText)
{
if (stopManager == null)
return null;
DigitalPlatform.Stop stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial(strText);
stop.BeginLoop();
return stop;
}
private void DupForm_Load(object sender, EventArgs e)
{
Debug.Assert(this.dom != null, "尚未Initial()");
stop = new DigitalPlatform.Stop();
if (this.stopManager != null)
stop.Register(this.stopManager, true); // 和容器关联
// 自动启动查重
if (this.AutoBeginSearch == true)
{
API.PostMessage(this.Handle, WM_INITIAL, 0, 0);
}
}
/*
// 将内存对象创建为真正的服务器端对象
public int BuildRealObjects(
string strDbName,
DatabaseObject root,
out string strError)
{
strError = "";
int nRet = 0;
// 创建根
if (root.Type != -1)
{
if (root.Type == ResTree.RESTYPE_DB)
goto DOCHILD; // 忽略本节点，但是继续作下级节点
// 缺省配置文件，忽略保存
if (root.IsDefaultFile() == true)
return 0;
MemoryStream stream = null;
if (root.Type == ResTree.RESTYPE_FILE)
stream = new MemoryStream(root.Content);
string strPath = root.MakePath(strDbName);
// 在服务器端创建对象
nRet = NewServerSideObject(strPath,
root.Type,
stream,
root.TimeStamp,
out strError);
if (nRet == -1)
return -1;
}
DOCHILD:
// 递归
for(int i=0;i<root.Children.Count;i++)
{
DatabaseObject obj = (DatabaseObject)root.Children[i];
nRet = BuildRealObjects(
strDbName,
obj,
out strError);
if (nRet == -1)
return -1;
}
return 0;
}
*/
// 根据路径创建内存对象
public int CreateObject(DatabaseObject obj,
string strPath,
out string strError)
{
strError = "";
obj.Children.Clear();
if (obj.Type == ResTree.RESTYPE_FILE)
{
byte[] baTimeStamp = null;
string strMetaData;
string strOutputPath;
this.channel = Channels.GetChannel(this.ServerUrl);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
// string strStyle = "attachment,data,timestamp,outputpath";
string strStyle = "content,data,timestamp,outputpath";
using (MemoryStream stream = new MemoryStream())
{
long lRet = channel.GetRes(strPath,
stream,
null, // stop,
strStyle,
null, // byte [] input_timestamp,
out strMetaData,
out baTimeStamp,
out strOutputPath,
out strError);
if (lRet == -1)
{
// obj.SetData(null);
obj.TimeStamp = null;
return 0; // 继续处理
}
obj.SetData(stream);
obj.TimeStamp = baTimeStamp;
}
}
if (obj.Type == ResTree.RESTYPE_DB
|| obj.Type == ResTree.RESTYPE_FOLDER)
{
this.channel = Channels.GetChannel(this.ServerUrl);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
ResInfoItem[] items = null;
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在列目录: " + this.ServerUrl + "?" + strPath);
stop.BeginLoop();
}
long lRet = channel.DoDir(strPath,
this.Lang,
null, // 不需要返回全部语言的名字
out items,
out strError);
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
stop.Unregister(); // 和容器关联
}
this.channel = null;
if (lRet == -1)
return -1;
if (items == null)
return 0;
for (int i = 0; i < items.Length; i++)
{
// 忽略from类型节点
if (items[i].Type == ResTree.RESTYPE_FROM)
continue;
DatabaseObject child = new DatabaseObject();
child.Name = items[i].Name;
child.Type = items[i].Type;
child.Style = items[i].Style;
child.Parent = obj;
obj.Children.Add(child);
int nRet = CreateObject(child,
strPath + "/" + items[i].Name,
out strError);
if (nRet == -1)
return -1;
}
}
return 0;
}
private void ChangePasswordDlg_Load(object sender, System.EventArgs e)
{
textBox_url.Text = Url;
textBox_userName.Text = UserName;
stopManager.Initial(button_Cancel,
label_message,
null);
stopManager.LinkReverseButton(button_OK);
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
}
// 异步版本，可以中断
// return:
// -3 需要回答问题
// -2 尚未登录(info.UserID为空)
// -1 出错
// 0 成功
public int GetNumber(
DigitalPlatform.Stop stop,
string strAuthor,
bool bSelectPinyin,
bool bSelectEntry,
bool bOutputDebugInfo,
out string strNumber,
out string strDebugInfo,
out string strError)
{
strNumber = "";
strDebugInfo = "";
strError = "";
REDO:
ws.GetNumberCompleted += new GetNumberCompletedEventHandler(ws_GetNumberCompleted);
try
{
this.eventComplete.Reset();
ws.GetNumberAsync(strAuthor,
bSelectPinyin,
bSelectEntry,
bOutputDebugInfo);
while (true)
{
Application.DoEvents(); // 出让界面控制权
if (stop != null)
{
if (stop.State != 0)
{
strError = "用户中断1";
return(-1);
}
}
bool bRet = this.eventComplete.WaitOne(10, true);
if (bRet == true)
{
break;
}
}
}
finally
{
ws.GetNumberCompleted -= new GetNumberCompletedEventHandler(ws_GetNumberCompleted);
}
GetNumberCompletedEventArgs e = (GetNumberCompletedEventArgs)this.resultParam;
if (e.Error != null)
{
strError = e.Error.Message;
return(-1);
}
if (e.Cancelled == true)
{
strError = "用户中断2";
}
else
{
strError = e.strError;
}
strNumber = e.strNumber;
strDebugInfo = e.strDebugInfo;
if (e.Result == -2)
{
if (DoNotLogin(ref strError) == 1)
{
goto REDO;
}
}
return(e.Result);
}
// 初始化数据库
void menu_initialDB(object sender, System.EventArgs e)
{
if (this.SelectedNode == null)
{
MessageBox.Show(this, "尚未选择要初始化的数据库节点");
return;
}
if (this.SelectedNode.ImageIndex != RESTYPE_DB)
{
MessageBox.Show(this, "所选择的节点不是数据库类型。请选择要初始化的数据库节点。");
return;
}
ResPath respath = new ResPath(this.SelectedNode);
string strText = "你确实要初始化位于服务器 '"+respath.Url+"' 上的数据库 '"+respath.Path + "' 吗?\r\n\r\n警告：数据库一旦被初始化，其中包含的原有数据将全部被摧毁，并且无法恢复！";
DialogResult msgResult = MessageBox.Show(this,
strText,
"初始化数据库",
MessageBoxButtons.OKCancel,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2);
if (msgResult != DialogResult.OK)
{
MessageBox.Show(this, "初始化数据库操作被放弃...");
return;
}
this.channel = Channels.GetChannel(respath.Url);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
string strError = "";
#if NO
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在初始化数据库: " + respath.FullPath);
stop.BeginLoop();
}
#endif
DigitalPlatform.Stop stop = PrepareStop("正在初始化数据库: " + respath.FullPath);
long lRet = channel.DoInitialDB(respath.Path, out strError);
EndStop(stop);
#if NO
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
stop.Unregister(); // 和容器脱离关联
}
#endif
this.channel = null;
if (lRet == -1)
{
MessageBox.Show(this, strError);
}
else
{
MessageBox.Show(this, "位于服务器'"+respath.Url+"'上的数据库 '"+respath.Path+"' 被成功初始化。");
}
}
void RefreshDB(bool bClearAllKeyTables)
{
if (this.SelectedNode == null)
{
MessageBox.Show(this, "尚未选择要刷新定义的数据库节点");
return;
}
if (this.SelectedNode.ImageIndex != RESTYPE_DB)
{
MessageBox.Show(this, "所选择的节点不是数据库类型。请选择要刷新定义的数据库节点。");
return;
}
ResPath respath = new ResPath(this.SelectedNode);
string strText = "确实要刷新位于服务器 '" + respath.Url + "' 上的数据库 '" + respath.Path + "' 的定义吗?\r\n\r\n注：刷新数据库定义，会为数据库增补在keys配置文件中新增的SQL表，不会损坏数据库中已有的数据。";
DialogResult msgResult = MessageBox.Show(this,
strText,
"刷新数据库定义",
MessageBoxButtons.OKCancel,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2);
if (msgResult != DialogResult.OK)
{
MessageBox.Show(this, "刷新数据库定义的操作被放弃...");
return;
}
this.channel = Channels.GetChannel(respath.Url);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
string strError = "";
#if NO
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在刷新数据库定义: " + respath.FullPath );
stop.BeginLoop();
}
#endif
DigitalPlatform.Stop stop = PrepareStop("正在刷新数据库定义: " + respath.FullPath);
long lRet = channel.DoRefreshDB(
"begin",
respath.Path,
bClearAllKeyTables,
out strError);
EndStop(stop);
#if NO
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
stop.Unregister(); // 和容器脱离关联
}
#endif
this.channel = null;
if (lRet == -1)
{
MessageBox.Show(this, strError);
}
else
{
MessageBox.Show(this, "位于服务器'" + respath.Url + "'上的数据库 '" + respath.Path + "' 被成功刷新了定义。");
}
}
// 导入数据
int ImportData(bool bFastMode = false)
{
string strError = "";
string strTimeMessage = "";
int CHUNK_SIZE = 150 * 1024; // 70
if (this.SelectedNode == null)
{
strError = "尚未选择要要导入数据的数据库节点";
goto ERROR0;
}
if (this.SelectedNode.ImageIndex != RESTYPE_DB)
{
strError = "所选择的节点不是数据库类型。请选择要导入数据的数据库节点。";
goto ERROR0;
}
if (bFastMode == true)
{
DialogResult result = MessageBox.Show(this,
"警告：\r\n在快速导入期间，相关数据库会进入一种锁定状态，对数据库的其他检索和修改操作暂时会被禁止，直到处理完成。\r\n\r\n请问确实要进行快速导入么?",
"导入数据",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2);
if (result == DialogResult.No)
return 0;
}
OpenFileDialog dlg = new OpenFileDialog();
dlg.Title = "请指定要导入的数据文件";
dlg.FileName = "";
dlg.Filter = "备份文件 (*.dp2bak)|*.dp2bak|XML文件 (*.xml)|*.xml|ISO2709文件 (*.iso;*.mrc)|*.iso;*.mrc|All files (*.*)|*.*";
dlg.RestoreDirectory = true;
if (dlg.ShowDialog() != DialogResult.OK)
{
return 0;
}
long lTotalCount = 0;
ImportUtil import_util = new ImportUtil();
int nRet = import_util.Begin(this,
this.AppInfo,
dlg.FileName,
out strError);
if (nRet == -1 || nRet == 1)
goto ERROR0;
#if NO
ResPath respath = new ResPath(this.SelectedNode);
this.channel = Channels.GetChannel(respath.Url);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
#endif
// 缺省的目标数据库路径
ResPath default_target_respath = new ResPath(this.SelectedNode);
RmsChannel cur_channel = Channels.CreateTempChannel(default_target_respath.Url);
Debug.Assert(cur_channel != null, "Channels.GetChannel() 异常");
List<string> target_dburls = new List<string>();
#if NO
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在导入数据 " + respath.FullPath);
stop.BeginLoop();
}
#endif
DigitalPlatform.Stop stop = PrepareStop("正在导入数据 ..."); // + default_target_respath.FullPath);
stop.OnStop -= new StopEventHandler(this.DoStop); // 去掉缺省的回调函数
stop.OnStop += (sender1, e1) =>
{
if (cur_channel != null)
cur_channel.Abort();
};
stop.Style = StopStyle.EnableHalfStop; // API的间隙才让中断。避免获取结果集的中途，因为中断而导致 Session 失效，结果集丢失，进而无法 Retry 获取
ProgressEstimate estimate = new ProgressEstimate();
try // open import util
{
bool bDontPromptTimestampMismatchWhenOverwrite = false;
DbNameMap map = new DbNameMap();
long lSaveOffs = -1;
estimate.SetRange(0, import_util.Stream.Length);
estimate.StartEstimate();
stop.SetProgressRange(0, import_util.Stream.Length);
List<UploadRecord> records = new List<UploadRecord>();
int nBatchSize = 0;
for (int index = 0; ; index++)
{
Application.DoEvents(); // 出让界面控制权
if (stop.State != 0)
{
DialogResult result = MessageBox.Show(this,
"确实要中断当前批处理操作?",
"导入数据",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2);
if (result == DialogResult.Yes)
{
strError = "用户中断";
goto ERROR1;
}
else
{
stop.Continue();
}
}
//string strXml = "";
//string strResPath = "";
//string strTimeStamp = "";
UploadRecord record = null;
if (import_util.FileType == ExportFileType.BackupFile)
{
if (lSaveOffs != -1)
import_util.Stream.Seek(lSaveOffs, SeekOrigin.Begin);
}
nRet = import_util.ReadOneRecord(out record,
out strError);
if (nRet == -1)
goto ERROR1;
if (nRet == 1)
break;
if (import_util.FileType == ExportFileType.BackupFile)
{
// 保存每次读取后的文件指针位置
lSaveOffs = import_util.Stream.Position;
}
Debug.Assert(record != null, "");
#if NO
XmlDocument dom = new XmlDocument();
try
{
dom.LoadXml(strXml);
}
catch (Exception ex)
{
strError = "XML装入DOM时出错: " + ex.Message;
goto ERROR1;
}
string strResPath = DomUtil.GetAttr(DpNs.dprms, dom.DocumentElement, "path");
string strTimeStamp = DomUtil.GetAttr(DpNs.dprms, dom.DocumentElement, "timestamp");
#endif
// 准备目标路径
{
string strLongPath = record.Url + "?" + record.RecordBody.Path;
#if NO
// 根据原始路径准备即将写入的路径
// return:
// -1 出错
// 0 用户放弃
// 1 成功
nRet = ImportUtil.PrepareOverwritePath(
this.Servers,
this.Channels,
this,
ref map,
ref strLongPath,
out strError);
if (nRet == 0 || nRet == -1)
goto ERROR1;
#endif
// 根据原始路径准备即将写入的路径
// return:
// -1 出错
// 0 用户放弃
// 1 成功
// 2 要跳过本条
nRet = ImportUtil.PrepareOverwritePath(
this,
this.Servers,
this.Channels,
this.AppInfo,
index,
default_target_respath.FullPath,
ref map,
ref strLongPath,
out strError);
if (nRet == 0 || nRet == -1)
goto ERROR1;
if (nRet == 2)
continue;
ResPath respath = new ResPath(strLongPath);
record.Url = respath.Url;
record.RecordBody.Path = respath.Path;
// 记载每个数据库的 URL
string strDbUrl = GetDbUrl(strLongPath);
if (target_dburls.IndexOf(strDbUrl) == -1)
{
// 每个数据库要进行一次快速模式的准备操作
if (bFastMode == true)
{
nRet = ManageKeysIndex(strDbUrl,
"beginfastappend",
"正在对数据库 "+strDbUrl+" 进行快速导入模式的准备工作 ...",
out strError);
if (nRet == -1)
goto ERROR1;
}
target_dburls.Add(strDbUrl);
}
}
bool bNeedPush = false;
// 是否要把积累的记录推送出去进行写入?
// 要进行以下检查：
// 1) 当前记录和前一条记录之间，更换了服务器
// 2) 累积的记录尺寸超过要求
// 3) 当前记录是一条超大的记录 (这是因为要保持从文件中读出的顺序来写入(例如追加时候的号码增量顺序)，就必须在单条写入本条前，先写入积累的那些记录)
if (records.Count > 0)
{
if (record.TooLarge() == true)
bNeedPush = true;
else if (nBatchSize + record.RecordBody.Xml.Length > CHUNK_SIZE)
bNeedPush = true;
else
{
if (LastUrl(records) != record.Url)
bNeedPush = true;
}
}
if (bNeedPush == true)
{
// 准备 Channel
Debug.Assert(records.Count > 0, "");
cur_channel = ImportUtil.GetChannel(this.Channels,
stop,
LastUrl(records),
cur_channel);
List<UploadRecord> save_records = new List<UploadRecord>();
save_records.AddRange(records);
while (records.Count > 0)
{
// 将 XML 记录成批写入数据库
// return:
// -1 出错
// >=0 本次已经写入的记录个数。本函数返回时 records 集合的元素数没有变化(但元素的Path和Timestamp会有变化)，如果必要调主可截取records集合中后面未处理的部分再次调用本函数
nRet = ImportUtil.WriteRecords(
this,
stop,
cur_channel,
bFastMode,
records,
ref bDontPromptTimestampMismatchWhenOverwrite,
out strError);
if (nRet == -1)
goto ERROR1;
if (nRet == 0)
{
// TODO: 或可以改为单条写入
strError = "WriteRecords() error :" + strError;
goto ERROR1;
}
Debug.Assert(nRet <= records.Count, "");
records.RemoveRange(0, nRet);
lTotalCount += nRet;
}
// 上载对象
// return:
// -1 出错
// 0 成功
nRet = import_util.UploadObjects(
stop,
cur_channel,
save_records,
ref bDontPromptTimestampMismatchWhenOverwrite,
out strError);
if (nRet == -1)
goto ERROR1;
nBatchSize = 0;
stop.SetProgressValue(import_util.Stream.Position);
stop.SetMessage("已经写入记录 " + lTotalCount.ToString() + " 条。"
+ "剩余时间 " + ProgressEstimate.Format(estimate.Estimate(import_util.Stream.Position)) + " 已经过时间 " + ProgressEstimate.Format(estimate.delta_passed));
}
// 如果 记录的 XML 尺寸太大不便于成批上载，需要在单独直接上载
if (record.TooLarge() == true)
{
// 准备 Channel
// ResPath respath = new ResPath(record.RecordBody.Path);
cur_channel = ImportUtil.GetChannel(this.Channels,
stop,
record.Url,
cur_channel);
// 写入一条 XML 记录
// return:
// -1 出错
// 0 邀请中断整个处理
// 1 成功
// 2 跳过本条，继续处理后面的
nRet = ImportUtil.WriteOneXmlRecord(
this,
stop,
cur_channel,
record,
ref bDontPromptTimestampMismatchWhenOverwrite,
out strError);
if (nRet == -1)
goto ERROR1;
if (nRet == 0)
goto ERROR1;
List<UploadRecord> temp = new List<UploadRecord>();
temp.Add(record);
// 上载对象
// return:
// -1 出错
// 0 成功
nRet = import_util.UploadObjects(
stop,
cur_channel,
temp,
ref bDontPromptTimestampMismatchWhenOverwrite,
out strError);
if (nRet == -1)
goto ERROR1;
lTotalCount += 1;
continue;
}
records.Add(record);
if (record.RecordBody != null && record.RecordBody.Xml != null)
nBatchSize += record.RecordBody.Xml.Length;
}
// 最后提交一次
if (records.Count > 0)
{
// 准备 Channel
Debug.Assert(records.Count > 0, "");
cur_channel = ImportUtil.GetChannel(this.Channels,
stop,
LastUrl(records),
cur_channel);
List<UploadRecord> save_records = new List<UploadRecord>();
save_records.AddRange(records);
while (records.Count > 0)
{
// 将 XML 记录成批写入数据库
// return:
// -1 出错
// >=0 本次已经写入的记录个数。本函数返回时 records 集合的元素数没有变化(但元素的Path和Timestamp会有变化)，如果必要调主可截取records集合中后面未处理的部分再次调用本函数
nRet = ImportUtil.WriteRecords(
this,
stop,
cur_channel,
bFastMode,
records,
ref bDontPromptTimestampMismatchWhenOverwrite,
out strError);
if (nRet == -1)
goto ERROR1;
if (nRet == 0)
{
strError = "WriteRecords() error :" + strError;
goto ERROR1;
}
Debug.Assert(nRet <= records.Count, "");
records.RemoveRange(0, nRet);
lTotalCount += nRet;
}
// 上载对象
// return:
// -1 出错
// 0 成功
nRet = import_util.UploadObjects(
stop,
cur_channel,
save_records,
ref bDontPromptTimestampMismatchWhenOverwrite,
out strError);
if (nRet == -1)
goto ERROR1;
nBatchSize = 0;
stop.SetProgressValue(import_util.Stream.Position);
stop.SetMessage("已经写入记录 " + lTotalCount.ToString() + " 条。"
+ "剩余时间 " + ProgressEstimate.Format(estimate.Estimate(import_util.Stream.Position)) + " 已经过时间 " + ProgressEstimate.Format(estimate.delta_passed));
records.Clear();
nBatchSize = 0;
}
}// close import util
finally
{
if (bFastMode == true)
{
foreach (string url in target_dburls)
{
string strQuickModeError = "";
nRet = ManageKeysIndex(url,
"endfastappend",
"正在对数据库 " + url + " 进行快速导入模式的收尾工作，请耐心等待 ...",
out strQuickModeError);
if (nRet == -1)
MessageBox.Show(this, strQuickModeError);
}
}
EndStop(stop);
#if NO
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
stop.Unregister(); // 和容器脱离关联
}
#endif
cur_channel.Close();
cur_channel = null;
import_util.End();
}
strTimeMessage = "总共耗费时间: " + estimate.GetTotalTime().ToString();
MessageBox.Show(this, "文件 " + dlg.FileName + " 内的数据已经成功导入下列数据库:\r\n\r\n" + StringUtil.MakePathList(target_dburls, "\r\n") + "\r\n\r\n共导入记录 " + lTotalCount.ToString() + " 条。\r\n\r\n" + strTimeMessage);
return 0;
ERROR0:
MessageBox.Show(this, strError);
return -1;
ERROR1:
MessageBox.Show(this, strError);
// 使用了 lTotalCount 和 estimate 以后的报错
if (lTotalCount > 0)
{
strTimeMessage = "总共耗费时间: " + estimate.GetTotalTime().ToString();
MessageBox.Show(this, "文件 " + dlg.FileName + " 内的部分数据已经成功导入下列数据库:\r\n\r\n" + StringUtil.MakePathList(target_dburls, "\r\n") + "\r\n\r\n共导入记录 " + lTotalCount.ToString() + " 条。\r\n\r\n" + strTimeMessage);
}
return -1;
}
private void CfgFileEditDlg_Load(object sender, System.EventArgs e)
{
button_export.Enabled = false;
MemoryStream stream = null;
string strMetaData;
string strError = "";
string strMime = "";
Hashtable values = null;
if (Obj != null)
{
if (this.Obj.Content != null)
{
stream = new MemoryStream(this.Obj.Content);
this.Stream = stream;
this.Stream.Seek(0, SeekOrigin.Begin);
button_export.Enabled = true;
}
this.TimeStamp = this.Obj.TimeStamp;
strMetaData = this.Obj.Metadata;
// 观察mime
// 取metadata
values = StringUtil.ParseMetaDataXml(strMetaData,
out strError);
if (values == null)
{
MessageBox.Show(this, strError);
return;
}
strMime = (string)values["mimetype"];
if (strMime == null || strMime == "")
{
strMime = "text";
}
this.Mime = strMime;
this.LocalPath = (string)values["localpath"];
if (this.LocalPath == null)
{
this.LocalPath = "";
}
this.textBox_content.Text = "";
// string strFirstPart = StringUtil.GetFirstPartPath(ref strMime);
if (this.IsText == true)
{
if (this.Stream != null)
{
this.Stream.Seek(0, SeekOrigin.Begin);
using (StreamReader sr = new StreamReader(this.Stream, Encoding.UTF8))
{
this.textBox_content.Text = ConvertCrLf(sr.ReadToEnd());
}
}
}
else
{
}
//////
button_OK.Enabled = false;
this.textBox_content.SelectionStart = 0;
this.textBox_content.SelectionLength = 0;
return;
}
this.channel = Channels.GetChannel(this.ServerUrl);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在下载配置文件: " + this.Path);
stop.BeginLoop();
}
// string strContent = "";
byte[] baTimeStamp = null;
string strOutputPath;
string strStyle = "content,data,metadata,timestamp,outputpath";
// string strStyle = "attachment,data,metadata,timestamp,outputpath";
stream = new MemoryStream();
long lRet = channel.GetRes(
this.Path,
stream,
stop, // stop,
strStyle,
null, // byte [] input_timestamp,
out strMetaData,
out baTimeStamp,
out strOutputPath,
out strError);
/*
* long lRet = channel.GetRes((
* this.Path,
* out strContent,
* out strMetaData,
* out baTimeStamp,
* out strOutputPath,
* out strError);
*/
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
}
if (lRet == -1)
{
MessageBox.Show(this, strError);
goto FINISH;
}
this.Stream = stream;
this.Stream.Seek(0, SeekOrigin.Begin);
button_export.Enabled = true;
this.TimeStamp = baTimeStamp;
// 观察mime
// 取metadata
values = StringUtil.ParseMetaDataXml(strMetaData,
out strError);
if (values == null)
{
MessageBox.Show(this, strError);
goto FINISH;
}
strMime = (string)values["mimetype"];
if (strMime == null || strMime == "")
{
strMime = "text";
}
this.Mime = strMime;
this.LocalPath = (string)values["localpath"];
if (this.LocalPath == null)
{
this.LocalPath = "";
}
// string strFirstPart = StringUtil.GetFirstPartPath(ref strMime);
if (this.IsText == true)
{
this.Stream.Seek(0, SeekOrigin.Begin);
using (StreamReader sr = new StreamReader(this.Stream, Encoding.UTF8))
{
this.textBox_content.Text = ConvertCrLf(sr.ReadToEnd());
}
// 注意，此后 this.Stream 被关闭
}
else
{
//this.textBox_content.Text = "<二进制内容无法直接编辑>";
//this.textBox_content.ReadOnly = true;
//this.button_format.Enabled = false;
}
//////
button_OK.Enabled = false;
FINISH:
if (stopManager != null && stop != null)
{
stop.Unregister(); // 和容器关联
stop = null;
}
this.channel = null;
this.textBox_content.SelectionStart = 0;
this.textBox_content.SelectionLength = 0;
}
int ManageKeysIndex(
string strDbUrl,
string strAction,
string strMessage,
out string strError)
{
strError = "";
ResPath respath = null;
if (strDbUrl == null)
{
if (this.SelectedNode == null)
{
strError = "尚未选择要要操作的数据库节点";
goto ERROR1;
}
if (this.SelectedNode.ImageIndex != RESTYPE_DB)
{
strError = "所选择的节点不是数据库类型。请选择要操作的数据库节点。";
goto ERROR1;
}
respath = new ResPath(this.SelectedNode);
}
else
respath = new ResPath(strDbUrl);
this.channel = Channels.GetChannel(respath.Url);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
#if NO
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在导出数据 " + respath.FullPath);
stop.BeginLoop();
}
#endif
DigitalPlatform.Stop stop = PrepareStop(
strMessage == null ?
"正在对 " + respath.FullPath + " 进行管理操作 " + strAction + " ..."
: strMessage);
TimeSpan old_timeout = channel.Timeout;
if (strAction == "endfastappend")
{
// 收尾阶段可能要耗费很长的时间
channel.Timeout = new TimeSpan(3, 0, 0);
}
try
{
long lRet = channel.DoRefreshDB(
strAction,
respath.Path,
false,
out strError);
if (lRet == -1)
{
strError = "管理数据库 '" + respath.Path + "' 时出错: " + strError;
goto ERROR1;
}
}
finally
{
EndStop(stop);
#if NO
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
stop.Unregister(); // 和容器脱离关联
}
#endif
if (strAction == "endfastappend")
{
channel.Timeout = old_timeout;
}
this.channel = null;
}
return 0;
ERROR1:
return -1;
}
private void button_OK_Click(object sender, System.EventArgs e)
{
string strMetaData = "";
// TODO: 一旦遇到问题，可以放开注释试验
// this.textBox_content.Text = RemoveSingle0a(this.textBox_content.Text);
if (this.Obj != null)
{
if (this.IsText == true)
{
byte[] baContent = StringUtil.GetUtf8Bytes(this.textBox_content.Text, true);
this.Obj.Content = baContent;
}
else
{
if (this.Stream != null)
{
this.Obj.Content = new byte[this.Stream.Length];
this.Stream.Seek(0, SeekOrigin.Begin);
this.Stream.Read(this.Obj.Content,
0, (int)this.Stream.Length);
}
else
{
this.Obj.Content = null;
}
}
StringUtil.ChangeMetaData(ref strMetaData,
null, // string strID,
this.LocalPath, // string strLocalPath,
this.Mime, // string strMimeType,
null, // string strLastModified,
null, // string strPath,
null); // string strTimestamp)
this.Obj.Metadata = strMetaData;
this.Obj.Changed = true;
this.DialogResult = DialogResult.OK;
this.Close();
return;
}
this.channel = Channels.GetChannel(this.ServerUrl);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在保存配置文件: " + this.Path);
stop.BeginLoop();
}
if (this.IsText == true)
{
// 更新stream对象内容
byte[] baContent = StringUtil.GetUtf8Bytes(this.textBox_content.Text, true);
this.Stream = new MemoryStream(baContent); // !!! 什么时候释放?
/*
* this.Stream.SetLength(0);
* StreamWriter sw = new StreamWriter(this.Stream, Encoding.UTF8);
* sw.Write(this.textBox_content.Text);
*/
}
if (this.Stream != null)
{
this.Stream.Seek(0, SeekOrigin.Begin);
}
// 保存配置文件
string strError = "";
byte[] baOutputTimestamp = null;
string strOutputPath = "";
string strStyle = "";
if (this.checkBox_autoCreate.Checked == true)
{
if (strStyle != "")
{
strStyle += ",";
}
strStyle += "autocreatedir";
}
StringUtil.ChangeMetaData(ref strMetaData,
null, // string strID,
this.LocalPath, // string strLocalPath,
this.Mime, // string strMimeType,
null, // string strLastModified,
null, // string strPath,
null); // string strTimestamp)
string strRange = "";
if (this.Stream != null && this.Stream.Length != 0)
{
Debug.Assert(this.Stream.Length != 0, "test");
strRange = "0-" + Convert.ToString(this.Stream.Length - 1);
}
long lRet = channel.DoSaveResObject(this.Path,
this.Stream,
(this.Stream != null && this.Stream.Length != 0) ? this.Stream.Length : 0,
strStyle,
strMetaData, // strMetadata,
strRange,
true,
this.TimeStamp, // timestamp,
out baOutputTimestamp,
out strOutputPath,
out strError);
/*
* // 保存配置文件
* byte[] baOutputTimeStamp = null;
* string strOutputPath = "";
* string strError = "";
*
*
* long lRet = channel.DoSaveTextRes(this.Path,
* this.textBox_content.Text,
* true, // bInlucdePreamble
* "", // style
* this.TimeStamp,
* out baOutputTimeStamp,
* out strOutputPath,
* out strError);
*/
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
}
if (lRet == -1)
{
MessageBox.Show(this, strError);
goto FINISH;
}
this.TimeStamp = baOutputTimestamp;
MessageBox.Show(this, "配置文件 '" + this.Path + "' 保存成功");
/////////////
FINISH:
if (stopManager != null && stop != null)
{
stop.Unregister(); // 和容器关联
stop = null;
}
this.channel = null;
this.DialogResult = DialogResult.OK;
this.Close();
}
private void DtlpDupForm_FormClosed(object sender, FormClosedEventArgs e)
{
EventFinish.Set();
if (stop != null) // 脱离关联
{
stop.Style = StopStyle.None; // 需要强制中断
stop.DoStop();
stop.Unregister(); // 和容器脱离关联
stop = null;
}
}
// 导出数据
void menu_export(object sender, System.EventArgs e)
{
string strError = "";
string strTimeMessage = "";
long lTotalCount = 0; // 总命中数
long lExportCount = 0; // 已经传出的数量
if (this.SelectedNode == null)
{
strError = "尚未选择要要导出数据的数据库节点";
goto ERROR1;
}
if (this.SelectedNode.ImageIndex != RESTYPE_DB)
{
strError = "所选择的节点不是数据库类型。请选择要导出数据的数据库节点。";
goto ERROR1;
}
ResPath respath = new ResPath(this.SelectedNode);
// 询问导出数据的范围
ExportDataDialog data_range_dlg = new ExportDataDialog();
data_range_dlg.DbPath = respath.Path;
data_range_dlg.AllRecords = true;
data_range_dlg.StartPosition = FormStartPosition.CenterScreen;
data_range_dlg.ShowDialog(this);
if (data_range_dlg.DialogResult != DialogResult.OK)
return;
string strRange = "0-9999999999";
if (data_range_dlg.AllRecords == false)
strRange = data_range_dlg.StartID + "-" + data_range_dlg.EndID;
// 获得输出文件名
SaveFileDialog dlg = new SaveFileDialog();
dlg.Title = "请指定要保存的数据文件名";
dlg.CreatePrompt = false;
dlg.OverwritePrompt = false;
dlg.FileName = "";
dlg.FilterIndex = 1;
dlg.Filter = "备份文件 (*.dp2bak)|*.dp2bak|XML文件 (*.xml)|*.xml|ISO2709文件 (*.iso;*.mrc)|*.iso;*.mrc|All files (*.*)|*.*";
dlg.RestoreDirectory = true;
if (dlg.ShowDialog(this) != DialogResult.OK)
return;
ExportUtil export_util = new ExportUtil();
string strQueryXml = "<target list='" + respath.Path
+ ":" + "__id'><item><word>"+strRange+"</word><match>exact</match><relation>range</relation><dataType>number</dataType><maxCount>-1</maxCount></item><lang>chi</lang></target>";
RmsChannel cur_channel = Channels.CreateTempChannel(respath.Url);
Debug.Assert(cur_channel != null, "Channels.GetChannel() 异常");
#if NO
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在导出数据 " + respath.FullPath);
stop.BeginLoop();
}
#endif
DigitalPlatform.Stop stop = PrepareStop("正在导出数据 " + respath.FullPath);
stop.OnStop -= new StopEventHandler(this.DoStop); // 去掉缺省的回调函数
stop.OnStop += (sender1, e1) =>
{
if (cur_channel != null)
cur_channel.Abort();
};
try
{
long lRet = cur_channel.DoSearch(strQueryXml,
"default",
out strError);
if (lRet == -1)
{
strError = "检索数据库 '"+respath.Path+"' 时出错: " + strError;
goto ERROR1;
}
if (lRet == 0)
{
strError = "数据库 '" + respath.Path + "' 中没有任何数据记录";
goto ERROR1; // not found
}
stop.Style = StopStyle.EnableHalfStop; // API的间隙才让中断。避免获取结果集的中途，因为中断而导致 Session 失效，结果集丢失，进而无法 Retry 获取
lTotalCount = lRet; // 总命中数
long lThisCount = lTotalCount;
long lStart = 0;
ProgressEstimate estimate = new ProgressEstimate();
estimate.SetRange(0, lTotalCount);
estimate.StartEstimate();
stop.SetProgressRange(0, lTotalCount);
int nRet = export_util.Begin(this,
dlg.FileName,
out strError);
if (nRet == -1)
goto ERROR1;
DialogResult last_one_result = DialogResult.Yes; // 前一次对话框选择的方式
bool bDontAskOne = false;
int nRedoOneCount = 0;
DialogResult last_get_result = DialogResult.Retry; // 前一次对话框选择的方式
bool bDontAskGet = false;
int nRedoGetCount = 0;
for (; ; )
{
Application.DoEvents(); // 出让界面控制权
if (stop.State != 0)
{
DialogResult result = MessageBox.Show(this,
"确实要中断当前批处理操作?",
"导出数据",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2);
if (result == DialogResult.Yes)
{
strError = "用户中断";
goto ERROR1;
}
else
{
stop.Continue();
}
}
string strStyle = "id,xml,timestamp";
if (export_util.FileType == ExportFileType.BackupFile)
strStyle = "id,xml,timestamp,metadata";
nRedoGetCount = 0;
REDO_GET:
Record[] searchresults = null;
lRet = cur_channel.DoGetSearchResult(
"default",
lStart,
lThisCount,
strStyle,
this.Lang,
stop,
out searchresults,
out strError);
if (lRet == -1)
{
if (stop.State != 0) // 已经中断
goto ERROR1;
// 自动重试有次数限制，避免进入死循环
if (bDontAskGet == true && last_get_result == DialogResult.Retry
&& nRedoGetCount < 3)
{
nRedoGetCount++;
goto REDO_GET;
}
DialogResult result = MessageDlg.Show(this,
"获取检索结果时 (偏移量 " + lStart + ") 出错：\r\n---\r\n"
+ strError + "\r\n---\r\n\r\n是否重试获取操作?\r\n\r\n注：\r\n[重试] 重新获取\r\n[中断] 中断整个批处理",
"导出数据",
MessageBoxButtons.RetryCancel,
MessageBoxDefaultButton.Button1,
ref bDontAskOne,
new string[] { "重试", "中断" });
last_get_result = result;
if (result == DialogResult.Retry)
{
nRedoGetCount = 0;
goto REDO_GET;
}
Debug.Assert(result == DialogResult.Cancel, "");
strError = "获取检索结果时出错: " + strError;
goto ERROR1;
}
for (int i = 0; i < searchresults.Length; i++)
{
Record record = searchresults[i];
if (i == 0)
{
stop.SetMessage("正在输出记录 " + record.Path + "，已输出 " + lExportCount.ToString() + " 条。"
+ "剩余时间 " + ProgressEstimate.Format(estimate.Estimate(lExportCount)) + " 已经过时间 " + ProgressEstimate.Format(estimate.delta_passed));
}
nRedoOneCount = 0;
REDO_ONE:
nRet = export_util.ExportOneRecord(
cur_channel,
stop,
respath.Url,
record.Path,
record.RecordBody.Xml,
record.RecordBody.Metadata,
record.RecordBody.Timestamp,
out strError);
if (nRet == -1)
{
if (stop.State != 0) // 已经中断
goto ERROR1;
// 重试、跳过、中断?
// 重试的时候，注意保持文件最后位置，不要留下残余的尾部
// MessageBoxButtons.AbortRetryIgnore YesNoCancel
if (bDontAskOne == true && last_one_result == DialogResult.No)
continue; // TODO: 最好在日志文件中记载跳过的记录。或者批处理结束后显示出来
// 自动重试有次数限制，避免进入死循环
if (bDontAskOne == true && last_one_result == DialogResult.Yes
&& nRedoOneCount < 3)
{
nRedoOneCount++;
goto REDO_ONE;
}
DialogResult result = MessageDlg.Show(this,
"导出记录 '" + record.Path + "' 时出错：\r\n---\r\n"
+ strError + "\r\n---\r\n\r\n是否重试导出操作?\r\n\r\n注：\r\n[重试] 重新导出这条记录\r\n[跳过] 忽略导出这条记录，但继续后面的处理\r\n[中断] 中断整个批处理",
"导出数据",
MessageBoxButtons.YesNoCancel,
MessageBoxDefaultButton.Button1,
ref bDontAskOne,
new string [] {"重试","跳过","中断"});
last_one_result = result;
if (result == DialogResult.Yes)
{
nRedoOneCount = 0;
goto REDO_ONE;
}
if (result == DialogResult.No)
continue;
Debug.Assert(result == DialogResult.Cancel, "");
goto ERROR1;
}
stop.SetProgressValue(lExportCount + 1);
lExportCount++;
}
if (lStart + searchresults.Length >= lTotalCount)
break;
lStart += searchresults.Length;
lThisCount -= searchresults.Length;
}
strTimeMessage = "总共耗费时间: " + estimate.GetTotalTime().ToString();
}
finally
{
EndStop(stop);
#if NO
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
stop.Unregister(); // 和容器脱离关联
}
#endif
cur_channel.Close();
cur_channel = null;
export_util.End();
}
MessageBox.Show(this, "位于服务器 '" + respath.Url + "' 上的数据库 '" + respath.Path + "' 内共有记录 " + lTotalCount.ToString() + " 条，本次导出 " + lExportCount.ToString() + " 条。" + strTimeMessage);
return;
ERROR1:
MessageBox.Show(this, strError);
if (lExportCount > 0)
MessageBox.Show(this, "数据库内共有记录 " + lTotalCount.ToString() + " 条，本次导出 " + lExportCount.ToString() + " 条");
}
private void button_OK_Click(object sender, System.EventArgs e)
{
string strMetaData = "";
// TODO: 一旦遇到问题，可以放开注释试验
// this.textBox_content.Text = RemoveSingle0a(this.textBox_content.Text);
if (this.Obj != null)
{
if (this.IsText == true)
{
byte[] baContent = StringUtil.GetUtf8Bytes(this.textBox_content.Text, true);
this.Obj.Content = baContent;
}
else
{
if (this.Stream != null)
{
this.Obj.Content = new byte[this.Stream.Length];
this.Stream.Seek(0, SeekOrigin.Begin);
this.Stream.Read(this.Obj.Content,
0, (int)this.Stream.Length);
}
else
{
this.Obj.Content = null;
}
}
StringUtil.ChangeMetaData(ref strMetaData,
null, // string strID,
this.LocalPath, // string strLocalPath,
this.Mime, // string strMimeType,
null, // string strLastModified,
null, // string strPath,
null); // string strTimestamp)
this.Obj.Metadata = strMetaData;
this.Obj.Changed = true;
this.DialogResult = DialogResult.OK;
this.Close();
return;
}
this.channel = Channels.GetChannel(this.ServerUrl);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在保存配置文件: " + this.Path);
stop.BeginLoop();
}
if (this.IsText == true)
{
// 更新stream对象内容
byte[] baContent = StringUtil.GetUtf8Bytes(this.textBox_content.Text, true);
this.Stream = new MemoryStream(baContent); // !!! 什么时候释放?
/*
this.Stream.SetLength(0);
StreamWriter sw = new StreamWriter(this.Stream, Encoding.UTF8);
sw.Write(this.textBox_content.Text);
*/
}
if (this.Stream != null)
this.Stream.Seek(0, SeekOrigin.Begin);
// 保存配置文件
string strError = "";
byte[] baOutputTimestamp = null;
string strOutputPath = "";
string strStyle = "";
if (this.checkBox_autoCreate.Checked == true)
{
if (strStyle != "")
strStyle += ",";
strStyle += "autocreatedir";
}
StringUtil.ChangeMetaData(ref strMetaData,
null, // string strID,
this.LocalPath, // string strLocalPath,
this.Mime, // string strMimeType,
null, // string strLastModified,
null, // string strPath,
null); // string strTimestamp)
string strRange = "";
if (this.Stream != null && this.Stream.Length != 0)
{
Debug.Assert(this.Stream.Length != 0, "test");
strRange = "0-" + Convert.ToString(this.Stream.Length - 1);
}
long lRet = channel.DoSaveResObject(this.Path,
this.Stream,
(this.Stream != null && this.Stream.Length != 0) ? this.Stream.Length : 0,
strStyle,
strMetaData, // strMetadata,
strRange,
true,
this.TimeStamp, // timestamp,
out baOutputTimestamp,
out strOutputPath,
out strError);
/*
// 保存配置文件
byte[] baOutputTimeStamp = null;
string strOutputPath = "";
string strError = "";
long lRet = channel.DoSaveTextRes(this.Path,
this.textBox_content.Text,
true, // bInlucdePreamble
"", // style
this.TimeStamp,
out baOutputTimeStamp,
out strOutputPath,
out strError);
*/
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
}
if (lRet == -1)
{
MessageBox.Show(this, strError);
goto FINISH;
}
this.TimeStamp = baOutputTimestamp;
MessageBox.Show(this, "配置文件 '" + this.Path + "' 保存成功");
/////////////
FINISH:
if (stopManager != null && stop != null)
{
stop.Unregister(); // 和容器关联
stop = null;
}
this.channel = null;
this.DialogResult = DialogResult.OK;
this.Close();
}
// 本函数是将新的记录完整创建好以后再追加到 outputfile 末尾。能确保另一个并发的顺序读操作读入正确的内容
// return:
// -1 出错
// 0 因 strXmlBody 为空，忽略此记录，并没有导出任何内容
// 1 导出了内容
static int SafeWriteRecordToBackupFile(
IWin32Window owner,
RmsChannel channel,
DigitalPlatform.Stop stop,
Stream outputfile,
string strPath, // 记录路径
string strMetaData,
string strXmlBody,
byte[] body_timestamp,
string strTempDir,
out string strError)
{
if (string.IsNullOrEmpty(strTempDir))
{
strError = "strTempDir 参数值不应为空";
return(-1);
}
string strTempFileName = Path.Combine(strTempDir, "~" + Guid.NewGuid().ToString());
try
{
using (FileStream temp_stream = File.Open(
strTempFileName,
FileMode.Create,
FileAccess.ReadWrite,
FileShare.None))
{
// return:
// -1 出错
// 0 因 strXmlBody 为空，忽略此记录，并没有导出任何内容
// 1 导出了内容
int nRet = WriteRecordToBackupFile(
owner,
channel,
stop,
temp_stream,
strPath, // 记录路径
strMetaData,
strXmlBody,
body_timestamp,
out strError);
if (nRet == -1)
{
return(-1);
}
#if NO
if (nRet == 1)
{
// 记忆 dump 前 outputfile 的当前位置
long lSavePosition = outputfile.Position;
bool bDone = false;
try
{
temp_stream.Seek(0, SeekOrigin.Begin);
// TODO: Dump 中途是否允许灵敏中断？要注意中断以后截断目标文件
long lRet = StreamUtil.LockingDumpStream(temp_stream,
outputfile,
false,
() =>
{
if (stop != null && stop.State != 0)
{
return(true);
}
return(false);
});
if (lRet == -1)
{
strError = "Dump 中途被用户中断";
return(-1);
}
else
{
bDone = true;
}
}
finally
{
if (bDone == false)
{
outputfile.SetLength(lSavePosition);
}
}
}
#endif
if (nRet == 1)
{
temp_stream.Seek(0, SeekOrigin.Begin);
StreamUtil.LockingDumpStream(temp_stream,
outputfile,
false,
null);
}
return(nRet);
}
}
catch (Exception ex)
{
strError = "SafeWriteRecordToBackupFile() 出现异常: " + ExceptionUtil.GetExceptionText(ex);
return(-1);
}
finally
{
File.Delete(strTempFileName);
}
}
// 获得资源。包装版本 -- 返回本地映射文件、Cache版本。
// return:
// -1 出错。具体出错原因在this.ErrorCode中。this.ErrorInfo中有出错信息。
// 0 成功
public static long GetResLocalFile(this LibraryChannel channel,
DigitalPlatform.Stop stop,
CfgCache cache,
string strPath,
string strStyle,
out string strOutputFilename,
out string strMetaData,
out byte[] baOutputTimeStamp,
out string strOutputResPath,
out string strError)
{
strOutputFilename = "";
byte[] cached_timestamp = null;
string strTimeStamp;
string strLocalName;
string strResult = "";
string strFullPath = channel.Url + "?" + strPath;
if (StringUtil.IsInList("forceget", strStyle) == true)
{
// 强制获取
StringUtil.RemoveFromInList("forceget",
true,
ref strStyle);
goto GETDATA;
}
// 从cache中得到timestamp
// return:
// -1 error
// 0 not found
// 1 found
int nRet = cache.FindLocalFile(strFullPath,
out strLocalName,
out strTimeStamp);
if (nRet == -1)
{
strOutputResPath = "";
strMetaData = "";
baOutputTimeStamp = null;
strError = "CfgCache 尚未初始化";
return(-1);
}
if (nRet == 1)
{
Debug.Assert(strLocalName != "", "FindLocalFile()返回的strLocalName为空");
if (strTimeStamp == "")
{
goto GETDATA; // 时间戳不对, 那就只好重新获取服务器端内容
}
Debug.Assert(strTimeStamp != "", "FindLocalFile()获得的strTimeStamp为空");
cached_timestamp = ByteArray.GetTimeStampByteArray(strTimeStamp);
// bExistInCache = true;
}
else
{
goto GETDATA;
}
// 探测时间戳关系
string strNewStyle = strStyle;
/*
* StringUtil.RemoveFromInList("data",
* true,
* ref strNewStyle); // 不要数据体
* */
StringUtil.RemoveFromInList("content,data,metadata", // 2012/12/31 BUG 以前忘记了加入content
true,
ref strNewStyle); // 不要数据体和metadata
long lRet = channel.GetRes(stop,
strPath,
strNewStyle,
out strResult,
out strMetaData,
out baOutputTimeStamp,
out strOutputResPath,
out strError);
if (lRet == -1)
{
return(-1);
}
// 如果证明timestamp没有变化, 但是本次并未返回内容,则从cache中取原来的内容
if (ByteArray.Compare(baOutputTimeStamp, cached_timestamp) == 0) // 时间戳相等
{
Debug.Assert(strLocalName != "", "strLocalName不应为空");
strOutputFilename = strLocalName;
return(0); // 以无错误姿态返回
}
GETDATA:
// 重新正式获取内容
lRet = channel.GetRes(
stop,
strPath,
strStyle,
out strResult,
out strMetaData,
out baOutputTimeStamp,
out strOutputResPath,
out strError);
if (lRet == -1)
{
return(-1);
}
// 因为时间戳不匹配而新获得了内容
// 保存到cache
cache.PrepareLocalFile(strFullPath, out strLocalName);
Debug.Assert(strLocalName != "", "PrepareLocalFile()返回的strLocalName为空");
// 写入文件,以便以后从cache获取
using (StreamWriter sw = new StreamWriter(strLocalName,
false, // append
System.Text.Encoding.UTF8))
{
sw.Write(strResult);
}
Debug.Assert(baOutputTimeStamp != null, "下层GetRes()返回的baOutputTimeStamp为空");
nRet = cache.SetTimeStamp(strFullPath,
ByteArray.GetHexTimeStampString(baOutputTimeStamp),
out strError);
if (nRet == -1)
{
return(-1);
}
strOutputFilename = strLocalName;
return(lRet);
}
// 将主记录和相关资源写入备份文件
// 本函数如果失败，会自动把本次写入的局部内容从文件末尾抹去
// TODO: 测试磁盘空间耗尽的情况
// return:
// -1 出错
// 0 因 strXmlBody 为空，忽略此记录，并没有导出任何内容
// 1 导出了内容
static int WriteRecordToBackupFile(
IWin32Window owner,
RmsChannel channel,
DigitalPlatform.Stop stop,
Stream outputfile,
string strPath, // 记录路径
string strMetaData,
string strXmlBody,
byte[] body_timestamp,
out string strError)
{
strError = "";
if (string.IsNullOrEmpty(strXmlBody))
{
strError = "strXmlBody 为空，忽略此记录";
return(0);
}
Debug.Assert(String.IsNullOrEmpty(strXmlBody) == false, "strXmlBody不能为空");
Debug.Assert(channel != null, "");
// string strPath = strDbName + "/" + strID;
long lStart = outputfile.Position; // 记忆起始位置
bool bDone = false;
try
{
byte[] length = new byte[8];
outputfile.LockingWrite(length, 0, 8); // 临时写点数据,占据记录总长度位置
ResPath respath = new ResPath();
respath.Url = channel.Url;
respath.Path = strPath;
// 加工元数据
StringUtil.ChangeMetaData(ref strMetaData,
null,
null,
null,
null,
respath.FullPath,
ByteArray.GetHexTimeStampString(body_timestamp)); // 2005/6/11
// 向backup文件中保存第一个 res
long lRet = Backup.WriteFirstResToBackupFile(
outputfile,
strMetaData,
strXmlBody);
// 其余
string[] ids = null;
// 得到Xml记录中所有<file>元素的id属性值
int nRet = GetFileIds(strXmlBody,
out ids,
out strError);
if (nRet == -1)
{
// outputfile.SetLength(lStart); // 把本次追加写入的全部去掉
strError = "GetFileIds()出错，无法获得 XML 记录 (" + strPath + ") 中的 <dprms:file>元素的 id 属性， 因此保存记录失败，原因: " + strError;
goto ERROR1;
}
nRet = WriteResToBackupFile(
owner,
channel,
stop,
outputfile,
respath.Path,
ids,
out strError);
if (nRet == -1)
{
// outputfile.SetLength(lStart); // 把本次追加写入的全部去掉
strError = "WriteResToBackupFile()出错，因此保存记录 (" + strPath + ") 失败，原因: " + strError;
goto ERROR1;
}
///
// 写入总长度
long lTotalLength = outputfile.Position - lStart - 8;
byte[] data = BitConverter.GetBytes(lTotalLength);
// 返回记录最开头位置
outputfile.Seek(lStart - outputfile.Position, SeekOrigin.Current);
Debug.Assert(outputfile.Position == lStart, "");
// outputfile.Seek(lStart, SeekOrigin.Begin); // 文件大了以后这句话的性能会很差
outputfile.LockingWrite(data, 0, 8);
// 跳到记录末尾位置
outputfile.Seek(lTotalLength, SeekOrigin.Current);
bDone = true;
}
finally
{
if (bDone == false)
{
outputfile.SetLength(lStart); // 把本次追加写入的全部去掉
outputfile.Seek(0, SeekOrigin.End); // 把文件指针恢复到文件末尾位置，便于下次调用继续写入
}
}
return(1);
ERROR1:
return(-1);
}
public IEnumerator GetEnumerator()
{
string strError = "";
string strRange = "0-9999999999";
long lTotalCount = 0; // 总命中数
long lExportCount = 0;
string strTimeMessage = "";
DigitalPlatform.Stop stop = this.Stop;
StopStyle old_style = StopStyle.None;
if (stop != null)
{
old_style = stop.Style;
stop.Style = StopStyle.EnableHalfStop; // API的间隙才让中断。避免获取结果集的中途，因为中断而导致 Session 失效，结果集丢失，进而无法 Retry 获取
stop.OnStop += stop_OnStop;
}
ProgressEstimate estimate = new ProgressEstimate();
try
{
int i_path = 0;
foreach (string path in this.Paths)
{
ResPath respath = new ResPath(path);
string strQueryXml = "<target list='" + respath.Path
+ ":" + "__id'><item><word>" + strRange + "</word><match>exact</match><relation>range</relation><dataType>number</dataType><maxCount>-1</maxCount></item><lang>chi</lang></target>";
cur_channel = Channels.CreateTempChannel(respath.Url);
Debug.Assert(cur_channel != null, "Channels.GetChannel() 异常");
try
{
long lRet = cur_channel.DoSearch(strQueryXml,
"default",
out strError);
if (lRet == -1)
{
strError = "检索数据库 '" + respath.Path + "' 时出错: " + strError;
throw new Exception(strError);
}
if (lRet == 0)
{
strError = "数据库 '" + respath.Path + "' 中没有任何数据记录";
continue;
}
lTotalCount += lRet; // 总命中数
estimate.SetRange(0, lTotalCount);
if (i_path == 0)
{
estimate.StartEstimate();
}
if (stop != null)
{
stop.SetProgressRange(0, lTotalCount);
}
SearchResultLoader loader = new SearchResultLoader(cur_channel,
stop,
this.ResultSetName,
this.FormatList,
this.Lang);
loader.BatchSize = this.BatchSize;
foreach (KernelRecord record in loader)
{
if (stop != null)
{
stop.SetProgressValue(lExportCount + 1);
}
lExportCount++;
yield return(record);
}
strTimeMessage = "总共耗费时间: " + estimate.GetTotalTime().ToString();
}
finally
{
cur_channel.Close();
cur_channel = null;
}
// MessageBox.Show(this, "位于服务器 '" + respath.Url + "' 上的数据库 '" + respath.Path + "' 内共有记录 " + lTotalCount.ToString() + " 条，本次导出 " + lExportCount.ToString() + " 条。" + strTimeMessage);
i_path++;
}
}
finally
{
if (stop != null)
{
stop.Style = old_style;
stop.OnStop -= stop_OnStop;
}
}
}
// 下载资源，保存到备份文件
static int WriteResToBackupFile(
IWin32Window owner,
RmsChannel channel,
DigitalPlatform.Stop stop,
Stream outputfile,
string strXmlRecPath,
string[] res_ids,
out string strError)
{
strError = "";
long lRet;
for (int i = 0; i < res_ids.Length; i++)
{
if (owner != null)
{
Application.DoEvents(); // 出让界面控制权
}
if (stop != null && stop.State != 0)
{
if (owner != null)
{
DialogResult result = MessageBox.Show(owner,
"确实要中断当前批处理操作?",
"导出数据",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2);
if (result == DialogResult.Yes)
{
strError = "用户中断";
return(-1);
}
else
{
stop.Continue();
}
}
else
{
strError = "用户中断";
return(-1);
}
}
string strID = res_ids[i].Trim();
if (string.IsNullOrEmpty(strID))
{
continue;
}
string strResPath = strXmlRecPath + "/object/" + strID;
string strMetaData;
if (stop != null)
{
stop.SetMessage("正在下载 " + strResPath);
}
byte[] baOutputTimeStamp = null;
string strOutputPath;
REDO_GETRES:
lRet = channel.GetRes(strResPath,
(Stream)null, // 故意不获取资源体
stop,
"metadata,timestamp,outputpath",
null,
out strMetaData, // 但是要获得metadata
out baOutputTimeStamp,
out strOutputPath,
out strError);
if (lRet == -1)
{
if (channel.OriginErrorCode == rmsws_localhost.ErrorCodeValue.NotFoundObjectFile)
{
continue; // TODO: 返回警告信息
}
if (owner != null)
{
// TODO: 允许重试
DialogResult redo_result = MessageBox.Show(owner,
"获取记录 '" + strResPath + "' 时出现错误: " + strError + "\r\n\r\n重试，还是中断当前批处理操作?\r\n(Retry 重试；Cancel 中断批处理)",
"导出数据",
MessageBoxButtons.RetryCancel,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button1);
if (redo_result == DialogResult.Cancel)
{
return(-1);
}
goto
REDO_GETRES;
}
else
{
return(-1);
}
}
long lResStart = 0;
// 写res的头。
// 如果不能预先确知整个res的长度，可以用随便一个lTotalLength值调用本函数，
// 但是需要记忆下函数所返回的lStart，最后调用EndWriteResToBackupFile()。
// 如果能预先确知整个res的长度，则最后不必调用EndWriteResToBackupFile()
long lRet0 = Backup.BeginWriteResToBackupFile(
outputfile,
0, // 未知
out lResStart);
byte[] timestamp = baOutputTimeStamp;
ResPath respath = new ResPath();
respath.Url = channel.Url;
respath.Path = strOutputPath; // strResPath;
// strMetaData还要加入资源id?
StringUtil.ChangeMetaData(ref strMetaData,
strID,
null,
null,
null,
respath.FullPath,
ByteArray.GetHexTimeStampString(baOutputTimeStamp));
lRet = Backup.WriteResMetadataToBackupFile(outputfile,
strMetaData);
if (lRet == -1)
{
return(-1);
}
long lBodyStart = 0;
// 写res body的头。
// 如果不能预先确知body的长度，可以用随便一个lBodyLength值调用本函数，
// 但是需要记忆下函数所返回的lBodyStart，最后调用EndWriteResBodyToBackupFile()。
// 如果能预先确知body的长度，则最后不必调用EndWriteResBodyToBackupFile()
lRet = Backup.BeginWriteResBodyToBackupFile(
outputfile,
0, // 未知
out lBodyStart);
if (lRet == -1)
{
return(-1);
}
if (stop != null)
{
stop.SetMessage("正在下载 " + strResPath + " 的数据体");
}
REDO_GETRES_1:
lRet = channel.GetRes(strResPath,
outputfile,
stop,
"content,data,timestamp", //"content,data,timestamp"
timestamp,
out strMetaData,
out baOutputTimeStamp,
out strOutputPath,
out strError);
if (lRet == -1)
{
if (channel.ErrorCode == ChannelErrorCode.EmptyRecord ||
channel.ErrorCode == ChannelErrorCode.NotFoundObjectFile) // 2017/7/13
{
// 空记录
}
else
{
if (owner != null)
{
// TODO: 允许重试
DialogResult redo_result = MessageBox.Show(owner,
"获取记录 '" + strResPath + "' 时出现错误: " + strError + "\r\n\r\n重试，还是中断当前批处理操作?\r\n(Retry 重试；Cancel 中断批处理)",
"导出数据",
MessageBoxButtons.RetryCancel,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button1);
if (redo_result == DialogResult.Cancel)
{
return(-1);
}
goto
REDO_GETRES_1;
}
else
{
return(-1);
}
}
}
long lBodyLength = outputfile.Position - lBodyStart - 8;
// res body收尾
lRet = Backup.EndWriteResBodyToBackupFile(
outputfile,
lBodyLength,
lBodyStart);
if (lRet == -1)
{
return(-1);
}
long lTotalLength = outputfile.Position - lResStart - 8;
lRet = Backup.EndWriteResToBackupFile(
outputfile,
lTotalLength,
lResStart);
if (lRet == -1)
{
return(-1);
}
}
return(0);
}
int GetDbStyle(string strDbName,
out string strError)
{
strError = "";
this.channel = Channels.GetChannel(this.ServerUrl);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
ResInfoItem[] items = null;
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在获得数据库 " + strDbName + "的风格参数");
stop.BeginLoop();
}
long lRet = channel.DoDir("", // 列出全部数据库
this.Lang,
null, // 不需要列出全部语言的名字
out items,
out strError);
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
stop.Unregister(); // 和容器关联
}
this.channel = null;
if (lRet == -1)
return -1;
if (items == null)
return 0; // 数据库不存在
for (int i = 0; i < items.Length; i++)
{
// 忽略非数据库类型节点
if (items[i].Type != ResTree.RESTYPE_DB)
continue;
if (items[i].Name == strDbName)
return items[i].Style;
}
return 0; // 数据库不存在
}
// 递归
public int Fill(TreeNode node)
{
TreeNodeCollection children = null;
if (node == null)
{
children = this.Nodes;
}
else
{
children = node.Nodes;
}
int i;
// 填充根
if (node == null)
{
children.Clear();
TreeNode nodeNew = new TreeNode(this.ServerUrl, ResTree.RESTYPE_SERVER, ResTree.RESTYPE_SERVER);
ResTree.SetLoading(nodeNew);
NodeInfo nodeinfo = new NodeInfo();
nodeinfo.TreeNode = nodeNew;
nodeinfo.Expandable = true;
nodeinfo.DefElement = GetDefElementString(nodeNew.ImageIndex);
nodeinfo.NodeState |= NodeState.Object;
nodeNew.Tag = nodeinfo;
if (EnabledIndices != null &&
StringUtil.IsInList(nodeNew.ImageIndex, EnabledIndices) == false)
{
nodeNew.ForeColor = ControlPaint.LightLight(nodeNew.ForeColor);
}
children.Add(nodeNew);
return(0);
}
// 根以下的节点类型
ResPath respath = new ResPath(node);
string strPath = respath.Path;
//if (node != null)
// strPath = TreeViewUtil.GetPath(node);
this.channel = Channels.GetChannel(this.ServerUrl);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
ResInfoItem[] items = null;
string strError = "";
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在列目录: " + this.ServerUrl + "?" + strPath);
stop.BeginLoop();
}
long lRet = channel.DoDir(strPath,
this.Lang,
null, // 不需要列出全部语言的名字
out items,
out strError);
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
stop.Unregister(); // 和容器关联
}
this.channel = null;
if (lRet == -1)
{
try
{
MessageBox.Show(this, "Channel::DoDir() Error: " + strError);
}
catch
{
// this可能已经不存在
return(-1);
}
if (node != null)
{
ResTree.SetLoading(node); // 出错的善后处理，重新出现+号
node.Collapse();
}
return(-1);
}
if (items != null)
{
children.Clear();
for (i = 0; i < items.Length; i++)
{
// 忽略from类型节点
if (items[i].Type == ResTree.RESTYPE_FROM)
{
continue;
}
TreeNode nodeNew = new TreeNode(items[i].Name, items[i].Type, items[i].Type);
NodeInfo nodeinfo = new NodeInfo();
nodeinfo.TreeNode = nodeNew;
nodeinfo.Expandable = items[i].HasChildren;
nodeinfo.DefElement = GetDefElementString(nodeNew.ImageIndex);
nodeinfo.NodeState |= NodeState.Object;
nodeinfo.Style = items[i].Style;
nodeNew.Tag = nodeinfo;
if (items[i].HasChildren)
{
ResTree.SetLoading(nodeNew);
}
if (EnabledIndices != null &&
StringUtil.IsInList(nodeNew.ImageIndex, EnabledIndices) == false)
{
nodeNew.ForeColor = ControlPaint.LightLight(nodeNew.ForeColor);
}
children.Add(nodeNew);
}
}
return(0);
}
private void ChangePasswordDlg_Closed(object sender, System.EventArgs e)
{
if (stop != null) // 脱离关联
{
stop.Unregister(); // 和容器关联
stop = null;
}
}
// 在服务器端创建对象
// return:
// -1 错误
// 1 以及存在同名对象
// 0 正常返回
int NewServerSideObject(string strPath,
int nType,
Stream stream,
byte[] baTimeStamp,
out byte[] baOutputTimestamp,
out string strError)
{
strError = "";
baOutputTimestamp = null;
Debug.Assert(this.Channels != null, "");
this.channel = Channels.GetChannel(this.ServerUrl);
Debug.Assert(channel != null, "Channels.GetChannel() 异常");
DigitalPlatform.Stop stop = null;
if (stopManager != null)
{
stop = new DigitalPlatform.Stop();
stop.Register(this.stopManager, true); // 和容器关联
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在创建新对象: " + this.ServerUrl + "?" + strPath);
stop.BeginLoop();
}
string strOutputPath = "";
string strStyle = "";
if (nType == ResTree.RESTYPE_FOLDER)
strStyle = "createdir";
/*
long lRet = channel.DoSaveTextRes(strPath,
"", // content 暂时为空
true, // bInlucdePreamble
strStyle, // style
null, // baTimeStamp,
out baOutputTimestamp,
out strOutputPath,
out strError);
*/
string strRange = "";
if (stream != null && stream.Length != 0)
{
Debug.Assert(stream.Length != 0, "test");
strRange = "0-" + Convert.ToString(stream.Length - 1);
}
long lRet = channel.DoSaveResObject(strPath,
stream,
(stream != null && stream.Length != 0) ? stream.Length : 0,
strStyle,
"", // strMetadata,
strRange,
true,
baTimeStamp, // timestamp,
out baOutputTimestamp,
out strOutputPath,
out strError);
if (stopManager != null)
{
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
stop.Unregister(); // 和容器关联
}
if (lRet == -1)
{
if (this.channel.ErrorCode == ChannelErrorCode.AlreadyExist)
{
this.channel = null;
return 1; // 已经存在同名同类型对象
}
this.channel = null;
strError = "写入 '" + strPath + "' 发生错误: " + strError;
return -1;
}
this.channel = null;
return 0;
}