void configService_ConfigFileChanged(object sender, ConfigFileChangedEventArgs e)
{
if (e.ConfigFileType == ConfigFileType.Cache)
{
this.cacheFactory = new CacheFactory(configService);
}
}
private static void configService_ConfigFileChanged(object sender, ConfigFileChangedEventArgs e)
{
if (e.ConfigFileType == ConfigFileType.AppSettings)
{
// 配置文件变化，只影响当前的运行模式
local.runMode = null;
}
}
void configService_ConfigFileChanged(object sender, ConfigFileChangedEventArgs e)
{
if (e.ConfigFileType == ConfigFileType.Services)
{
try
{
ManageableServiceHost[] newHosts = this.CreateServiceHosts();
// 异步关闭当前宿主
if (this.hosts != null)
{
for (int i = 0; i < this.hosts.Length; i++)
{
try
{
this.hosts[i].Close();
}
catch
{
try
{
this.hosts[i].Abort();
}
catch { }
}
}
}
this.hosts = newHosts;
// 打开新的宿主
for (int i = 0; i < this.hosts.Length; i++)
{
try
{
this.hosts[i].Open();
}
catch (Exception err)
{
try
{
this.hosts[i].Abort();
}
catch { }
this.LogService.Error(err);
}
}
}
catch (Exception err)
{
this.LogService.Error(err);
}
}
}
private void configService_ConfigFileChanged(object sender, ConfigFileChangedEventArgs e)
{
if (e.ConfigFileType == ConfigFileType.Log)
{
log4net.Repository.ILoggerRepository oldRepository = this.repository;
ICustomLog oldLog4release = this.logger4release;
ICustomLog oldLog4demo = this.logger4demo;
log4net.Repository.ILoggerRepository newRepository = null;
ICustomLog newLog4release = null;
ICustomLog newLog4demo = null;
lock (syncForRepository)
{
this.repository = null;
this.logger4release = null;
this.logger4demo = null;
// 输出所有当前未输出日志然后关闭当前日志
try
{
log4net.Appender.IAppender[] oldAppenders = oldRepository.GetAppenders();
if (oldAppenders != null && oldAppenders.Length > 0)
{
for (int i = 0; i < oldAppenders.Length; i++)
{
if (oldAppenders[i] is log4net.Appender.BufferingAppenderSkeleton)
{
((log4net.Appender.BufferingAppenderSkeleton)oldAppenders[i]).Flush();
}
}
}
}
catch{
}
finally
{
oldRepository.Shutdown();
}
// 创建新日志
try
{
StringBuilder sb = new StringBuilder();
newRepository = CustomLogManager.CreateRepository(Guid.NewGuid().ToString());
log4net.Config.XmlConfigurator.Configure(newRepository, new FileInfo(AppDomain.CurrentDomain.MapPhysicalPath("conf\\log.config")));
newLog4release = CustomLogManager.GetLogger(newRepository, "release");
newLog4demo = CustomLogManager.GetLogger(newRepository, "demo");
FormatConfigurationErrorMessages(sb, newRepository.ConfigurationMessages);
if (sb.Length > 0) //出错时
{
sb.Insert(0, "在响应日志配置文件变化的过程中发生错误，仍将使用距变化发生时最近一次正确的配置。");
// 输出 errorMessages
LogUtil.LogToErrorLog(sb.ToString(), log4net.Core.Level.Error, LogCategory.Configuration, null);
// 继续使用现有日志
this.repository = null;
this.logger4release = null;
this.logger4demo = null;
}
else// 成功应用新配置时
{
// 应用新日志
this.lastSuccessConfig = File.ReadAllText(AppDomain.CurrentDomain.MapPhysicalPath("conf\\log.config"));
this.repository = newRepository;
this.logger4release = newLog4release;
this.logger4demo = newLog4demo;
this.lock4loggers.EnterWriteLock();
try
{
this.loggers.Clear();
}
finally
{
this.lock4loggers.ExitWriteLock();
}
}
}
catch (Exception err)
{
XMS.Core.Container.LogService.Warn("在响应日志配置文件变化的过程中发生错误，仍将使用距变化发生时最近一次正确的配置。", Logging.LogCategory.Configuration, err);
if (newRepository != null)
{
try
{
newRepository.Shutdown();
}
catch { }
}
}
finally
{
// 更新未成功，使用上次正确的日志配置重新初始化日志
if (this.repository == null)
{
if(this.lastSuccessConfig != null)
{
this.repository = CustomLogManager.CreateRepository(Guid.NewGuid().ToString());
using(MemoryStream stream = new MemoryStream(System.Text.Encoding.Default.GetBytes(this.lastSuccessConfig)))
{
log4net.Config.XmlConfigurator.Configure(this.repository, stream);
}
this.logger4release = CustomLogManager.GetLogger(this.repository, "release");
this.logger4demo = CustomLogManager.GetLogger(this.repository, "demo");
}
else
{
this.repository = oldRepository;
this.logger4release = oldLog4release;
this.logger4demo = oldLog4demo;
}
}
}
}
}
}
private void configService_ConfigFileChanged(object sender, ConfigFileChangedEventArgs e)
{
if (e.ConfigFileType == ConfigFileType.Cache)
{
CacheSettings oldSettings = instance; // 临时保存当前正确的实例
// 在配置文件变化时， 结合 CacheSettings.Instance 单例模式，通过将实例对象设置为 null，暂时阻止对单例实例的访问
lock (syncForSettings)
{
instance = null; // 将 instance 设置为 null，暂时阻止对单例实例的访问
CacheSettings newSettings = null;
try
{
newSettings = new CacheSettings();
instance = newSettings; // 启用新的配置
}
catch (Exception err)
{
instance = oldSettings; // 恢复为最近一次正确的配置
XMS.Core.Container.LogService.Warn("在响应配置文件变化的过程中发生错误，仍将使用距变化发生时最近一次正确的配置。", Logging.LogCategory.Configuration, err);
}
// 成功应用新的配置后，处理配置文件变化监听事件
if (instance != oldSettings)
{
if (oldSettings != null)// 为旧实例移除配置变化监听事件
{
// 这里不能通过 Dispose 释放事件，因为 oldSettings 的实例有可能被在缓存相关操作方法里通过局部变量引用，后面仍然有可能继续使用
// 因此这里手动释放旧实例的监听事件
oldSettings.ConfigService.ConfigFileChanged -= oldSettings.configFileChangedEventHandler;
}
}
}
// 单例实例发生变化后，在 lock (syncForSettings) 语句之外清空缓存，以避免与 Clear 过程中发生死锁（因为锁定过程中会访问 CacheSettings 的单例实例）
if (instance != oldSettings)
{
LocalCacheManager.Instance.Clear();
}
}
}
private static void configService_ConfigFileChanged(object sender, ConfigFileChangedEventArgs e)
{
if (e.ConfigFileName.Equals("ErrorCodes.config", StringComparison.InvariantCultureIgnoreCase))
{
try
{
Dictionary<string, StringTemplate> templates = new Dictionary<string, StringTemplate>(StringComparer.InvariantCultureIgnoreCase);
ErrorCodesSection section = GetSection("errorCodes");
if (section != null)
{
foreach (ErrorCodeElement element in section.ErrorCodes)
{
templates.Add(element.Key, new StringTemplate(element.Message));
}
}
_templates = templates;
}
catch (Exception err)
{
XMS.Core.Container.LogService.Warn(String.Format("在响应配置文件{0}变化的过程中发生错误，仍将使用距变化发生时最近一次正确的配置。", e.ConfigFileName), Logging.LogCategory.Configuration, err);
}
}
}
private static void configService_ConfigFileChanged(object sender, ConfigFileChangedEventArgs e)
{
if (e.ConfigFileType == ConfigFileType.ServiceReferences)
{
try
{
BindServiceConfiguration(configService, listServiceTypes, GetRetryingTimeInterval());
}
catch (ConfigurationErrorsException confErr)
{
// 记录日志
XMS.Core.Container.LogService.Error("在响应服务引用配置文件变化的过程中发生错误，仍将使用距变化发生时最近一次正确的配置。", confErr);
}
catch (Exception err)
{
// 记录日志
XMS.Core.Container.LogService.Error(err);
}
}
}
static void configService_ConfigFileChanged(object sender, ConfigFileChangedEventArgs e)
{
if (e.ConfigFileType == ConfigFileType.Services)
{
try
{
ApplyConfigFileChange();
}
catch (Exception err)
{
// 发生严重错误
LogService.Fatal(err);
}
}
}
private void configService_ConfigFileChanged(object sender, ConfigFileChangedEventArgs e)
{
//if (e.ConfigFileType == ConfigFileType.AppSettings)
//{
// lock (this.syncObject)
// {
// // 配置文件发生变化时
// // 先停止服务管理器
// this.Stop();
// //然后重新启动服务管理器
// this.Start();
// }
//}
}
private void configService_ConfigFileChanged(object sender, ConfigFileChangedEventArgs e)
{
if (e.ConfigFileType == ConfigFileType.Services)
{
lock (this.syncObject)
{
// 配置文件发生变化时
// 先停止服务管理器
this.Stop();
//然后重新启动服务管理器
this.Start();
}
}
}