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Replication.cs
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using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading;
using System.Xml;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.ChangeTracking;
using DigitalPlatform.IO;
using DigitalPlatform.LibraryClient;
using DigitalPlatform.LibraryClient.localhost;
using DigitalPlatform.Text;
using DigitalPlatform.Xml;
namespace DigitalPlatform.LibraryServer.Reporting
{
/// <summary>
/// 同步和复制功能
/// </summary>
public class Replication
{
// 初始化
public int Initialize(
LibraryChannel channel,
out string strError)
{
strError = "";
int nRet = CheckVersion(channel,
out strError);
if (nRet == -1)
return -1;
nRet = GetDbFromInfos(channel,
out strError);
if (nRet == -1)
return -1;
nRet = GetAllDatabaseInfo(channel,
out strError);
if (nRet == -1)
return -1;
nRet = InitialBiblioDbProperties(channel,
out strError);
if (nRet == -1)
return -1;
return 0;
}
#region 初始化各种数据结构
public string ServerVersion { get; set; }
public string ServerUID { get; set; }
public int CheckVersion(LibraryChannel channel,
out string strError)
{
strError = "";
long lRet = channel.GetVersion(null,
out string strVersion,
out string strUID,
out strError);
if (lRet == -1)
{
strError = "针对服务器 " + channel.Url + " 获得版本号的过程发生错误：" + strError;
return -1;
}
this.ServerUID = strUID;
if (string.IsNullOrEmpty(strVersion) == true)
strVersion = "2.0";
this.ServerVersion = strVersion;
return 1;
}
/// <summary>
/// 书目库检索路径信息集合
/// </summary>
public BiblioDbFromInfo[] BiblioDbFromInfos = null; // 书目库检索路径信息
public string Lang = "zh";
// 初始化各种检索途径信息
public int GetDbFromInfos(LibraryChannel channel,
out string strError)
{
strError = "";
// 获得书目库的检索途径
BiblioDbFromInfo[] infos = null;
long lRet = channel.ListDbFroms(null,
"biblio",
this.Lang,
out infos,
out strError);
if (lRet == -1)
{
strError = "针对服务器 " + channel.Url + " 列出书目库检索途径过程发生错误：" + strError;
return -1;
}
this.BiblioDbFromInfos = infos;
#if NO
if (StringUtil.CompareVersion(Program.MainForm.ServerVersion, "3.6") >= 0)
{
infos = null;
lRet = channel.ListDbFroms(Stop,
"authority",
this.Lang,
out infos,
out strError);
if (lRet == -1)
{
strError = "针对服务器 " + channel.Url + " 列出规范库检索途径过程发生错误：" + strError;
goto ERROR1;
}
this.AuthorityDbFromInfos = infos;
}
// 获得读者库的检索途径
infos = null;
lRet = channel.ListDbFroms(Stop,
"reader",
this.Lang,
out infos,
out strError);
if (lRet == -1)
{
strError = "针对服务器 " + channel.Url + " 列出读者库检索途径过程发生错误：" + strError;
goto ERROR1;
}
if (infos != null && this.BiblioDbFromInfos != null
&& infos.Length > 0 && this.BiblioDbFromInfos.Length > 0
&& infos[0].Caption == this.BiblioDbFromInfos[0].Caption)
{
// 如果第一个元素的caption一样，则说明GetDbFroms API是旧版本的，不支持获取读者库的检索途径功能
this.ReaderDbFromInfos = null;
}
else
{
this.ReaderDbFromInfos = infos;
}
if (StringUtil.CompareVersion(this.ServerVersion, "2.11") >= 0)
{
// 获得实体库的检索途径
infos = null;
lRet = channel.ListDbFroms(Stop,
"item",
this.Lang,
out infos,
out strError);
if (lRet == -1)
{
strError = "针对服务器 " + channel.Url + " 列出实体库检索途径过程发生错误：" + strError;
goto ERROR1;
}
this.ItemDbFromInfos = infos;
// 获得期库的检索途径
infos = null;
lRet = channel.ListDbFroms(Stop,
"issue",
this.Lang,
out infos,
out strError);
if (lRet == -1)
{
strError = "针对服务器 " + channel.Url + " 列出期库检索途径过程发生错误：" + strError;
goto ERROR1;
}
this.IssueDbFromInfos = infos;
// 获得订购库的检索途径
infos = null;
lRet = channel.ListDbFroms(Stop,
"order",
this.Lang,
out infos,
out strError);
if (lRet == -1)
{
strError = "针对服务器 " + channel.Url + " 列出订购库检索途径过程发生错误：" + strError;
goto ERROR1;
}
this.OrderDbFromInfos = infos;
// 获得评注库的检索途径
infos = null;
lRet = channel.ListDbFroms(Stop,
"comment",
this.Lang,
out infos,
out strError);
if (lRet == -1)
{
strError = "针对服务器 " + channel.Url + " 列出评注库检索途径过程发生错误：" + strError;
goto ERROR1;
}
this.CommentDbFromInfos = infos;
}
if (StringUtil.CompareVersion(this.ServerVersion, "2.17") >= 0)
{
// 获得发票库的检索途径
infos = null;
lRet = channel.ListDbFroms(Stop,
"invoice",
this.Lang,
out infos,
out strError);
if (lRet == -1)
{
strError = "针对服务器 " + channel.Url + " 列出发票库检索途径过程发生错误：" + strError;
goto ERROR1;
}
this.InvoiceDbFromInfos = infos;
// 获得违约金库的检索途径
infos = null;
lRet = channel.ListDbFroms(Stop,
"amerce",
this.Lang,
out infos,
out strError);
if (lRet == -1)
{
strError = "针对服务器 " + channel.Url + " 列出违约金库检索途径过程发生错误：" + strError;
goto ERROR1;
}
this.AmerceDbFromInfos = infos;
}
if (StringUtil.CompareVersion(this.ServerVersion, "2.47") >= 0)
{
// 获得预约到书库的检索途径
infos = null;
lRet = channel.ListDbFroms(Stop,
"arrived",
this.Lang,
out infos,
out strError);
if (lRet == -1)
{
strError = "针对服务器 " + channel.Url + " 列出预约到书库检索途径过程发生错误：" + strError;
goto ERROR1;
}
this.ArrivedDbFromInfos = infos;
}
// 需要检查一下Caption是否有重复(但是style不同)的，如果有，需要修改Caption名
this.CanonicalizeBiblioFromValues();
#endif
return 0;
}
/// <summary>
/// 书目库属性集合
/// </summary>
public static List<BiblioDbProperty> BiblioDbProperties = null;
public int InitialBiblioDbProperties(LibraryChannel channel,
out string strError)
{
strError = "";
int nRet = 0;
BiblioDbProperties = new List<BiblioDbProperty>();
// this.AuthorityDbProperties = new List<BiblioDbProperty>();
if (this.AllDatabaseDom == null)
return 0;
{
XmlNodeList nodes = this.AllDatabaseDom.DocumentElement.SelectNodes("database[@type='biblio']");
foreach (XmlNode node in nodes)
{
string strName = DomUtil.GetAttr(node, "name");
string strType = DomUtil.GetAttr(node, "type");
// string strRole = DomUtil.GetAttr(node, "role");
// string strLibraryCode = DomUtil.GetAttr(node, "libraryCode");
BiblioDbProperty property = new BiblioDbProperty();
BiblioDbProperties.Add(property);
property.DbName = DomUtil.GetAttr(node, "name");
property.ItemDbName = DomUtil.GetAttr(node, "entityDbName");
property.Syntax = DomUtil.GetAttr(node, "syntax");
property.IssueDbName = DomUtil.GetAttr(node, "issueDbName");
property.OrderDbName = DomUtil.GetAttr(node, "orderDbName");
property.CommentDbName = DomUtil.GetAttr(node, "commentDbName");
property.Role = DomUtil.GetAttr(node, "role");
bool bValue = true;
nRet = DomUtil.GetBooleanParam(node,
"inCirculation",
true,
out bValue,
out strError);
property.InCirculation = bValue;
}
}
/*
{
XmlNodeList nodes = this.AllDatabaseDom.DocumentElement.SelectNodes("database[@type='authority']");
foreach (XmlNode node in nodes)
{
string strName = DomUtil.GetAttr(node, "name");
string strType = DomUtil.GetAttr(node, "type");
BiblioDbProperty property = new BiblioDbProperty();
this.AuthorityDbProperties.Add(property);
property.DbName = DomUtil.GetAttr(node, "name");
property.Syntax = DomUtil.GetAttr(node, "syntax");
property.Usage = DomUtil.GetAttr(node, "usage");
}
}
*/
// MessageBox.Show(this, Convert.ToString(lRet) + " : " + strError);
return 0;
}
/// <summary>
/// 表示当前全部数据库信息的 XmlDocument 对象
/// </summary>
public XmlDocument AllDatabaseDom = null;
// 获取全部数据库定义
public int GetAllDatabaseInfo(LibraryChannel channel,
out string strError)
{
strError = "";
long lRet = 0;
this.AllDatabaseDom = null;
lRet = channel.ManageDatabase(
null,
"getinfo",
"",
"",
"",
out string strValue,
out strError);
if (lRet == -1)
{
if (channel.ErrorCode == ErrorCode.AccessDenied)
{
}
strError = "针对服务器 " + channel.Url + " 获得全部数据库定义过程发生错误：" + strError;
return -1;
}
XmlDocument dom = new XmlDocument();
try
{
dom.LoadXml(strValue);
}
catch (Exception ex)
{
strError = "XML装入DOM时出错: " + ex.Message;
return -1;
}
this.AllDatabaseDom = dom;
return 0;
}
#if NO
// 记忆书目库的分类号 style 列表
int MemoryClassFromStyles(XmlElement root,
out string strError)
{
strError = "";
int nRet = GetClassFromStyles(out List<BiblioDbFromInfo> styles,
out strError);
if (nRet == -1)
return -1;
if (styles.Count == 0)
{
strError = "书目库尚未配置分类号检索点";
return 0;
}
XmlElement container = root.SelectSingleNode("classStyles") as XmlElement;
if (container == null)
{
container = root.OwnerDocument.CreateElement("classStyles");
root.AppendChild(container);
}
else
container.RemoveAll();
foreach (BiblioDbFromInfo info in styles)
{
XmlElement style_element = root.OwnerDocument.CreateElement("style");
container.AppendChild(style_element);
style_element.SetAttribute("style", info.Style);
style_element.SetAttribute("caption", info.Caption);
}
return 1;
}
// 获得所有分类号检索途径 style
internal int GetClassFromStyles(
out List<BiblioDbFromInfo> styles,
out string strError)
{
strError = "";
styles = new List<BiblioDbFromInfo>();
foreach (BiblioDbFromInfo info in this.BiblioDbFromInfos)
{
if (StringUtil.IsInList("__class", info.Style) == true)
{
string strStyle = GetPureStyle(info.Style);
if (string.IsNullOrEmpty(strStyle) == true)
{
strError = "检索途径 " + info.Caption + " 的 style 值 '" + info.Style + "' 其中应该有至少一个不带 '_' 前缀的子串";
return -1;
}
BiblioDbFromInfo style = new BiblioDbFromInfo();
style.Caption = info.Caption;
style.Style = strStyle;
styles.Add(style);
}
}
return 0;
}
// 从计划文件中获得所有分类号检索途径 style
internal int GetClassFromStyles(
XmlElement root,
out List<string> styles,
out string strError)
{
strError = "";
styles = new List<string>();
XmlNodeList nodes = root.SelectNodes("classStyles/style");
foreach (XmlElement element in nodes)
{
styles.Add(element.GetAttribute("style"));
}
return 0;
}
// 获得不是 _ 和 __ 打头的 style 值
static string GetPureStyle(string strText)
{
List<string> results = new List<string>();
string[] parts = strText.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string s in parts)
{
if (s[0] == '_')
continue;
results.Add(s);
}
return StringUtil.MakePathList(results);
}
#endif
#endregion
// 获得全部数据库定义
public static int GetAllDatabaseInfo(
LibraryChannel channel,
out XmlDocument dom,
out string strError)
{
strError = "";
long lRet = 0;
dom = null;
lRet = channel.ManageDatabase(
null,
"getinfo",
"",
"",
"",
out string strValue,
out strError);
if (lRet == -1)
{
if (channel.ErrorCode == ErrorCode.AccessDenied)
{
}
strError = "针对服务器 " + channel.Url + " 获得全部数据库定义过程发生错误：" + strError;
return -1;
}
dom = new XmlDocument();
try
{
dom.LoadXml(strValue);
}
catch (Exception ex)
{
strError = "XML装入DOM时出错: " + ex.Message;
return -1;
}
return 0;
}
static List<string> GetBiblioDbNames(XmlDocument database_dom)
{
List<string> results = new List<string>();
XmlNodeList nodes = database_dom.DocumentElement.SelectNodes("database[@type='biblio']");
foreach (XmlElement node in nodes)
{
string strName = node.GetAttribute("name");
if (string.IsNullOrEmpty(strName) == false)
results.Add(strName);
}
return results;
}
static List<string> GetItemDbNames(XmlDocument database_dom)
{
List<string> results = new List<string>();
XmlNodeList nodes = database_dom.DocumentElement.SelectNodes("database[@type='biblio']");
foreach (XmlElement node in nodes)
{
string strName = node.GetAttribute("name");
string strType = node.GetAttribute("type");
string itemDbName = node.GetAttribute("entityDbName");
string syntax = node.GetAttribute("syntax");
string issueDbName = node.GetAttribute("issueDbName");
string orderDbName = node.GetAttribute("orderDbName");
string commentDbName = node.GetAttribute("commentDbName");
string role = node.GetAttribute("role");
if (string.IsNullOrEmpty(itemDbName) == false)
results.Add(itemDbName);
#if NO
bool bValue = true;
nRet = DomUtil.GetBooleanParam(node,
"inCirculation",
true,
out bValue,
out strError);
property.InCirculation = bValue;
#endif
}
return results;
}
string GetReaderDbLibraryCode(string strReaderDbName)
{
XmlNodeList nodes = this.AllDatabaseDom.DocumentElement.SelectNodes("database[@type='reader']");
foreach (XmlElement node in nodes)
{
string dbName = node.GetAttribute("name");
string libraryCode = node.GetAttribute("libraryCode");
if (dbName == strReaderDbName)
return libraryCode;
}
return null;
}
static List<string> GetReaderDbNames(XmlDocument database_dom)
{
List<string> results = new List<string>();
XmlNodeList nodes = database_dom.DocumentElement.SelectNodes("database[@type='reader']");
foreach (XmlElement node in nodes)
{
string dbName = node.GetAttribute("name");
string libraryCode = node.GetAttribute("libraryCode");
#if NO
bool bValue = true;
nRet = DomUtil.GetBooleanParam(node,
"inCirculation",
true,
out bValue,
out strError);
property.InCirculation = bValue;
#endif
if (string.IsNullOrEmpty(dbName) == false)
results.Add(dbName);
}
return results;
}
// 本地库的版本号
// 0.01 (2014/4/30) 第一个版本
// 0.02 (2014/5/6) item 表 增加了两个 index: item_itemrecpath_index 和 item_biliorecpath_index
// 0.03 (2014/5/29) item 表增加了 borrower borrowtime borrowperiod returningtime 等字段
// 0.04 (2014/6/2) breakpoint 文件根元素下增加了 classStyles 元素
// 0.05 (2014/6/12) item 表增加了 price unit 列； operlogamerce 表的 price 列分开为 price 和 unit 列
// 0.06 (2014/6/16) operlogxxx 表中增加了 subno 字段
// 0.07 (2014/6/19) operlogitem 表增加了 itembarcode 字段
// 0.08 (2014/11/6) reader 表增加了 state 字段
// 0.09 (2015/7/14) 增加了 operlogpassgate 和 operloggetres 表
// 0.10 (2016/5/5) 给每个 operlogxxx 表增加了 librarycode 字段
// 0.11 (2016/12/8) 以前版本 operlogamerce 中 action 为 undo 的行，price 字段内容都为空，会导致 472 报表中统计出来的实收金额偏大，这个版本修正了这个 bug
static string _local_version = "0.11";
public delegate void Delegate_showMessage(string text);
// TODO: 最好把第一次初始化本地 sql 表的动作也纳入 XML 文件中，这样做单项任务的时候，就不会毁掉其他的表
// 创建批处理计划
// 根元素的 state 属性， 值为 first 表示正在进行首次创建，尚未完成; daily 表示已经创建完，进入每日同步阶段
// parameters:
// strTypeList 类型列表。为 * user item reader biblio operlog accesslog 的组合
public int BuildFirstPlan(string strTypeList,
LibraryChannel channel,
Delegate_showMessage func_showMessage,
out XmlDocument task_dom,
out string strError)
{
strError = "";
long lRet = 0;
int nRet = 0;
task_dom = new XmlDocument();
task_dom.LoadXml("<root />");
// 开始处理时的日期
string strEndDate = DateTimeUtil.DateTimeToString8(DateTime.Now);
task_dom.DocumentElement.SetAttribute("version", _local_version);
task_dom.DocumentElement.SetAttribute("state", "first"); // 表示首次创建尚未完成
// 记载首次创建的结束时间点
task_dom.DocumentElement.SetAttribute("end_date", strEndDate);
// *** 创建用户表
if (strTypeList == "*"
|| StringUtil.IsInList("user", strTypeList) == true)
{
XmlNode node = task_dom.CreateElement("user");
task_dom.DocumentElement.AppendChild(node);
}
// *** 创建 item 表
if (strTypeList == "*"
|| StringUtil.IsInList("item", strTypeList) == true)
{
// 获得全部实体库名
List<string> item_dbnames = GetItemDbNames(this.AllDatabaseDom);
// 获得每个实体库的尺寸
foreach (string strItemDbName in item_dbnames)
{
func_showMessage?.Invoke("正在计划任务 检索 " + strItemDbName + " ...");
// 此处检索仅获得命中数即可
lRet = channel.SearchItem(null,
strItemDbName,
"", //
-1,
"__id",
"left",
"zh",
null, // strResultSetName
"", // strSearchStyle
"", //strOutputStyle, // (bOutputKeyCount == true ? "keycount" : ""),
out strError);
if (lRet == -1)
return -1;
XmlElement node = task_dom.CreateElement("database");
task_dom.DocumentElement.AppendChild(node);
node.SetAttribute("name", strItemDbName);
node.SetAttribute("type", "item");
node.SetAttribute("count", lRet.ToString());
}
}
// *** 创建 reader 表
if (strTypeList == "*"
|| StringUtil.IsInList("reader", strTypeList) == true)
{
// 获得全部读者库名
List<string> reader_dbnames = GetReaderDbNames(this.AllDatabaseDom);
//
foreach (string strReaderDbName in reader_dbnames)
{
func_showMessage?.Invoke("正在计划任务 检索 " + strReaderDbName + " ...");
// 此处检索仅获得命中数即可
lRet = channel.SearchReader(null,
strReaderDbName,
"", //
-1,
"__id",
"left",
"zh",
null, // strResultSetName
"", //strOutputStyle, // (bOutputKeyCount == true ? "keycount" : ""),
out strError);
if (lRet == -1)
return -1;
XmlElement node = task_dom.CreateElement("database");
task_dom.DocumentElement.AppendChild(node);
node.SetAttribute("name", strReaderDbName);
node.SetAttribute("type", "reader");
node.SetAttribute("count", lRet.ToString());
}
}
// *** 创建 biblio 表
// *** 创建 class 表
if (strTypeList == "*"
|| StringUtil.IsInList("biblio", strTypeList) == true)
{
// 获得全部书目库名
List<string> biblio_dbnames = GetBiblioDbNames(this.AllDatabaseDom);
#if NO
// 获得所有分类号检索途径 style
List<string> styles = new List<string>();
nRet = GetClassFromStyles(out styles,
out strError);
if (nRet == -1)
return -1;
#endif
#if NO
// 记忆书目库的分类号 style 列表
nRet = MemoryClassFromStyles(task_dom.DocumentElement,
out strError);
if (nRet == -1)
return -1;
if (nRet == 0)
{
/*
DialogResult result = DialogResult.No;
string strText = strError;
this.Invoke((Action)(() =>
{
result = MessageBox.Show(this,
strText + "\r\n\r\n建议先中断处理，配置好书目库的分类号检索点再重新创建本地存储。如果此时继续处理，则会无法同步分类号信息，以后也无法创建和分类号有关的报表。\r\n\r\n是否继续处理?",
"ReportForm",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2);
}));
if (result == System.Windows.Forms.DialogResult.No)
return -1; //
*/
return -1;
}
// 从计划文件中获得所有分类号检索途径 style
List<string> styles = new List<string>();
nRet = GetClassFromStyles(
task_dom.DocumentElement,
out styles,
out strError);
if (nRet == -1)
return -1;
#endif
//
foreach (string strBiblioDbName in biblio_dbnames)
{
func_showMessage?.Invoke("正在计划任务 检索 " + strBiblioDbName + " ...");
string strQueryXml = "";
// 此处检索仅获得命中数即可
lRet = channel.SearchBiblio(null,
strBiblioDbName,
"", //
-1,
"recid", // "__id",
"left",
"zh",
null, // strResultSetName
"", // strSearchStyle
"", //strOutputStyle, // (bOutputKeyCount == true ? "keycount" : ""),
"",
out strQueryXml,
out strError);
if (lRet == -1)
return -1;
XmlElement node = task_dom.CreateElement("database");
task_dom.DocumentElement.AppendChild(node);
node.SetAttribute("name", strBiblioDbName);
node.SetAttribute("type", "biblio");
node.SetAttribute("count", lRet.ToString());
#if NO
foreach (string strStyle in styles)
{
func_showMessage?.Invoke("正在计划任务 检索 " + strBiblioDbName + " " + strStyle + " ...");
// 此处检索仅获得命中数即可
lRet = channel.SearchBiblio(null,
strBiblioDbName,
"", //
-1,
strStyle, // "__id",
"left", // this.textBox_queryWord.Text == "" ? "left" : "exact", // 原来为left 2007/10/18 changed
"zh",
null, // strResultSetName
"", // strSearchStyle
"keyid", //strOutputStyle, // (bOutputKeyCount == true ? "keycount" : ""),
"",
out strQueryXml,
out strError);
if (lRet == -1)
{
if (channel.ErrorCode == ErrorCode.FromNotFound)
continue;
return -1;
}
string strClassTableName = "class_" + strStyle;
XmlElement class_node = task_dom.CreateElement("class");
node.AppendChild(class_node);
class_node.SetAttribute("from_style", strStyle);
class_node.SetAttribute("class_table_name", strClassTableName);
class_node.SetAttribute("count", lRet.ToString());
}
#endif
}
}
// *** 创建日志表
if (strTypeList == "*"
|| StringUtil.IsInList("operlog", strTypeList) == true)
{
// return:
// -1 出错
// 0 没有找到
// 1 找到
nRet = GetFirstOperLogDate(
channel,
LogType.OperLog | LogType.AccessLog,
out string strFirstDate,
out strError);
if (nRet == -1)
{
strError = "获得第一个操作日志文件日期时出错: " + strError;
return -1;
}
// 获得日志文件中记录的总数
// parameters:
// strDate 日志文件的日期，8 字符
// return:
// -2 此类型的日志在 dp2library 端尚未启用
// -1 出错
// 0 日志文件不存在，或者记录数为 0
// >0 记录数
long lCount = OperLogLoader.GetOperLogCount(
null,
channel,
strEndDate,
LogType.OperLog,
out strError);
if (lCount < 0)
return -1;
task_dom.DocumentElement.SetAttribute("index", lCount.ToString());
if (nRet == 1)
{
// 记载第一个日志文件日期
task_dom.DocumentElement.SetAttribute(
"first_operlog_date",
strFirstDate);
/*
Program.MainForm.AppInfo.SetString(GetReportSection(),
"daily_report_end_date",
strFirstDate);
Program.MainForm.AppInfo.Save(); // 为防止程序中途崩溃丢失记忆，这里预先保存一下
*/
XmlElement node = task_dom.CreateElement("operlog");
task_dom.DocumentElement.AppendChild(node);
node.SetAttribute("start_date", strFirstDate); // "20060101"
node.SetAttribute("end_date", strEndDate + ":0-" + (lCount - 1).ToString());
}
}
// *** 创建访问日志表
if (strTypeList == "*"
|| StringUtil.IsInList("accesslog", strTypeList) == true)
{
// return:
// -1 出错
// 0 没有找到
// 1 找到
nRet = GetFirstOperLogDate(
channel,
LogType.AccessLog,
out string strFirstDate,
out strError);
if (nRet == -1)
{
strError = "获得第一个访问日志文件日期时出错: " + strError;
return -1;
}
// 获得日志文件中记录的总数
// parameters:
// strDate 日志文件的日期，8 字符
// return:
// -2 此类型的日志在 dp2library 端尚未启用
// -1 出错
// 0 日志文件不存在，或者记录数为 0
// >0 记录数
long lCount = OperLogLoader.GetOperLogCount(
null,
channel,
strEndDate,
LogType.AccessLog,
out strError);
if (lCount == -1)
return -1;
if (nRet == 1 && lCount >= 0)
{
// 记载第一个访问日志文件日期
task_dom.DocumentElement.SetAttribute(
"first_accesslog_date",
strFirstDate);
XmlElement node = task_dom.CreateElement("accesslog");
task_dom.DocumentElement.AppendChild(node);
node.SetAttribute("start_date", strFirstDate); // "20060101"
node.SetAttribute("end_date", strEndDate + ":0-" + (lCount - 1).ToString());
}
}
return 0;
}
// 获得第一个(实有的)日志文件日期
// return:
// -1 出错
// 0 没有找到
// 1 找到
int GetFirstOperLogDate(
LibraryChannel channel,
LogType logType,
out string strFirstDate,
out string strError)
{
strFirstDate = "";
strError = "";
DigitalPlatform.LibraryClient.localhost.OperLogInfo[] records = null;
List<string> dates = new List<string>();
List<string> styles = new List<string>();
if ((logType & LogType.OperLog) != 0)
styles.Add("getfilenames");
if ((logType & LogType.AccessLog) != 0)
styles.Add("getfilenames,accessLog");