public LocalExpressionPlan(LocalProcess process, IRemoteServerExpressionPlan plan, PlanDescriptor planDescriptor, DataParams paramsValue) : base(process, plan, planDescriptor)
{
_plan = plan;
_params = paramsValue;
_internalPlan = new Plan(_process._internalProcess);
GetDataType();
}
public void ClassLoaderMissed(LocalProcess process, ClassLoader classLoader, ClassDefinition classDefinition)
{
AcquireCacheLock(process, LockMode.Exclusive);
try
{
if (!classLoader.Classes.Contains(classDefinition.ClassName))
{
// The local process has attempted to create an object from an unknown class alias.
// Use the remote server to attempt to download and install the necessary assemblies.
// Retrieve the list of all files required to load the assemblies required to load the class.
ServerFileInfo[] fileInfos = process.RemoteProcess.GetFileNames(classDefinition.ClassName, process.Session.SessionInfo.Environment);
for (int index = 0; index < fileInfos.Length; index++)
{
if (fileInfos[index].IsDotNetAssembly)
{
LoadAndRegister(process, classLoader, fileInfos[index].LibraryName, fileInfos[index].FileName, fileInfos[index].ShouldRegister);
}
}
}
}
finally
{
ReleaseCacheLock(process, LockMode.Exclusive);
}
}
public static Assembly LoadAssembyFromRemote(LocalProcess process, string libraryName, string fileName)
{
using (Stream sourceStream = new RemoteStreamWrapper(process.RemoteProcess.GetFile(libraryName, fileName)))
{
var assembly = new System.Windows.AssemblyPart().Load(sourceStream);
ReflectionUtility.RegisterAssembly(assembly);
return(assembly);
}
}
public string GetFile(LocalProcess AProcess, string ALibraryName, string AFileName, DateTime AFileDate, bool AIsDotNetAssembly, out bool AShouldLoad)
{
AShouldLoad = false;
string LFullFileName = GetLocalFileName(ALibraryName, AFileName, AIsDotNetAssembly);
if (!_filesCached.Contains(AFileName))
{
if (!File.Exists(LFullFileName) || (File.GetLastWriteTimeUtc(LFullFileName) < AFileDate))
{
#if LOGFILECACHEEVENTS
if (!File.Exists(LFullFileName))
{
_internalServer.LogMessage(String.Format(@"Downloading file ""{0}"" from server because it does not exist on the client.", LFullFileName));
}
else
{
_internalServer.LogMessage(String.Format(@"Downloading newer version of file ""{0}"" from server. Client write time: ""{1}"". Server write time: ""{2}"".", LFullFileName, File.GetLastWriteTimeUtc(LFullFileName), AFileDate.ToString()));
}
#endif
using (Stream LSourceStream = new RemoteStreamWrapper(AProcess.RemoteProcess.GetFile(ALibraryName, AFileName)))
{
Alphora.Dataphor.Windows.FileUtility.EnsureWriteable(LFullFileName);
try
{
using (FileStream LTargetStream = File.Open(LFullFileName, FileMode.Create, FileAccess.Write, FileShare.None))
{
StreamUtility.CopyStreamWithBufferSize(LSourceStream, LTargetStream, FileCopyBufferSize);
}
File.SetLastWriteTimeUtc(LFullFileName, AFileDate);
}
catch (IOException E)
{
_internalServer.LogError(E);
}
}
#if LOGFILECACHEEVENTS
_internalServer.LogMessage("Download complete");
#endif
}
_filesCached.Add(AFileName);
// Indicate that the assembly should be loaded
if (AIsDotNetAssembly)
{
AShouldLoad = true;
}
}
return(LFullFileName);
}
public void LoadAndRegister(LocalProcess process, ClassLoader classLoader, string libraryName, string fileName, bool shouldRegister)
{
try
{
if (!_filesCached.Contains(fileName))
{
Assembly assembly = LoadAssembyFromRemote(process, libraryName, fileName);
if (shouldRegister && !classLoader.Assemblies.Contains(assembly.FullName))
{
classLoader.RegisterAssembly(Catalog.LoadedLibraries[Engine.SystemLibraryName], assembly);
}
_assembliesCached.Add(fileName);
_filesCached.Add(fileName);
}
}
catch (IOException E)
{
_internalServer.LogError(E);
}
}
public void ClassLoaderMissed(LocalProcess AProcess, ClassLoader AClassLoader, ClassDefinition AClassDefinition)
{
AcquireCacheLock(AProcess, LockMode.Exclusive);
try
{
if (!AClassLoader.Classes.Contains(AClassDefinition.ClassName))
{
// The local process has attempted to create an object from an unknown class alias.
// Use the remote server to attempt to download and install the necessary assemblies.
//string AFullClassName = AProcess.RemoteProcess.GetClassName(AClassDefinition.ClassName); // BTR 5/17/2004 -> As far as I can tell, this doesn't do anything
// Retrieve the list of all files required to load the assemblies required to load the class.
ServerFileInfo[] LFileInfos = AProcess.RemoteProcess.GetFileNames(AClassDefinition.ClassName, AProcess.Session.SessionInfo.Environment);
string[] LFullFileNames = new string[LFileInfos.Length];
for (int LIndex = 0; LIndex < LFileInfos.Length; LIndex++)
{
bool LShouldLoad;
string LFullFileName = GetFile(AProcess, LFileInfos[LIndex].LibraryName, LFileInfos[LIndex].FileName, LFileInfos[LIndex].FileDate, LFileInfos[LIndex].IsDotNetAssembly, out LShouldLoad);
// Register/Load the assembly if necessary
if ((LFileInfos[LIndex].ShouldRegister || LShouldLoad) && !_assembliesCached.Contains(LFileInfos[LIndex].FileName))
{
Assembly LAssembly = Assembly.LoadFrom(LFullFileName);
ReflectionUtility.RegisterAssembly(LAssembly);
if (LFileInfos[LIndex].ShouldRegister && !AClassLoader.Assemblies.Contains(LAssembly.FullName))
{
AClassLoader.RegisterAssembly(Catalog.LoadedLibraries[Engine.SystemLibraryName], LAssembly);
}
_assembliesCached.Add(LFileInfos[LIndex].FileName);
}
}
}
}
finally
{
ReleaseCacheLock(AProcess, LockMode.Exclusive);
}
}
public LocalStatementPlan(LocalProcess process, IRemoteServerStatementPlan plan, PlanDescriptor planDescriptor) : base(process, plan, planDescriptor)
{
_plan = plan;
}
public LocalPlan(LocalProcess process, IRemoteServerPlan plan, PlanDescriptor planDescriptor) : base()
{
_process = process;
_plan = plan;
_descriptor = planDescriptor;
}
public LocalExpressionPlan(LocalProcess process, IRemoteServerExpressionPlan plan, PlanDescriptor planDescriptor, DataParams paramsValue, ProgramStatistics executeTime) : this(process, plan, planDescriptor, paramsValue)
{
_programStatistics = executeTime;
_programStatisticsCached = true;
}
public LocalScript(LocalProcess process, IRemoteServerScript script) : base()
{
_process = process;
_script = script;
}