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Implement retry logic when AppDomain has been unloaded

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--HG--
branch : dev
This commit is contained in:
Renaud Paquay
2010-07-24 14:48:48 -07:00
parent 388ea9e553
commit 677cfd3c6f
2 changed files with 25 additions and 19 deletions
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26
src/Tools/OrchardCli/CLIHost.cs
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@@ -10,15 +10,15 @@ namespace OrchardCLI {
private readonly TextReader _input; private readonly TextReader _input;
private readonly ICommandHostContextProvider _commandHostContextProvider; private readonly ICommandHostContextProvider _commandHostContextProvider;
public CLIHost(string[] args) { public CLIHost(TextReader input, TextWriter output, string[] args) {
_input = Console.In; _input = input;
_output = Console.Out; _output = output;
_commandHostContextProvider = new CommandHostContextProvider(args); _commandHostContextProvider = new CommandHostContextProvider(args);
} }
public int Run() { public int Run() {
var context = CommandHostContext(); var context = CommandHostContext();
Console.WriteLine("Type \"help commands\" for help, \"exit\" to exit"); _output.WriteLine("Type \"help commands\" for help, \"exit\" to exit");
while (true) { while (true) {
var command = ReadCommand(context); var command = ReadCommand(context);
switch (command.ToLowerInvariant()) { switch (command.ToLowerInvariant()) {
@@ -36,13 +36,13 @@ namespace OrchardCLI {
} }
private string ReadCommand(CommandHostContext context) { private string ReadCommand(CommandHostContext context) {
Console.WriteLine(); _output.WriteLine();
Console.Write("orchard> "); _output.Write("orchard> ");
return Console.ReadLine(); return _input.ReadLine();
} }
private CommandHostContext CommandHostContext() { private CommandHostContext CommandHostContext() {
Console.WriteLine("Initializing Orchard session... (This might take a few seconds)"); _output.WriteLine("Initializing Orchard session... (This might take a few seconds)");
var result = _commandHostContextProvider.CreateContext(); var result = _commandHostContextProvider.CreateContext();
if (result.StartSessionResult == 240/*special return code for "Retry"*/) { if (result.StartSessionResult == 240/*special return code for "Retry"*/) {
result = _commandHostContextProvider.CreateContext(); result = _commandHostContextProvider.CreateContext();
@@ -55,21 +55,25 @@ namespace OrchardCLI {
return context; return context;
int result = RunCommandInSession(context, command); int result = RunCommandInSession(context, command);
if(result == 240) {
if (result == 240/*special return code for "Retry"*/) { if (result == 240/*special return code for "Retry"*/) {
_commandHostContextProvider.Shutdown(context); _commandHostContextProvider.Shutdown(context);
context = CommandHostContext(); context = CommandHostContext();
result = RunCommandInSession(context, command); result = RunCommandInSession(context, command);
if (result != 0) if (result != 0)
Console.WriteLine("Command returned non-zero result: {0}", result); _output.WriteLine("Command returned non-zero result: {0}", result);
}
} }
return context; return context;
} }
private int RunCommandInSession(CommandHostContext context, string command) { private int RunCommandInSession(CommandHostContext context, string command) {
try {
var args = new OrchardParametersParser().Parse(new CommandParametersParser().Parse(ResponseFileReader.SplitArgs(command))); var args = new OrchardParametersParser().Parse(new CommandParametersParser().Parse(ResponseFileReader.SplitArgs(command)));
return context.CommandHost.RunCommandInSession(_input, _output, context.Logger, args); return context.CommandHost.RunCommandInSession(_input, _output, context.Logger, args);
} }
catch (AppDomainUnloadedException) {
_output.WriteLine("AppDomain of Orchard session has been unloaded. Retrying...");
return 240;/*special return code for "Retry"*/
}
}
} }
} }

4
src/Tools/OrchardCli/Program.cs
View File

@@ -1,7 +1,9 @@
using System;
namespace OrchardCLI { namespace OrchardCLI {
public class Program { public class Program {
public static int Main(string[] args) { public static int Main(string[] args) {
return new CLIHost(args).Run(); return new CLIHost(Console.In, Console.Out, args).Run();
} }
} }
} }