public virtual BoltServerException TryReadServerError(ClientActionContext context)
{
ServerErrorCode?result = TryReadBoltError(context);
if (result != null)
{
return(new BoltServerException(result.Value, context.Action.Name, context.Request.RequestUri.ToString()));
}
int?code = TryReadErrorCode(context);
if (code != null)
{
return(new BoltServerException(code.Value, context.Action.Name, context.Request.RequestUri.ToString()));
}
if (context.Response?.StatusCode == HttpStatusCode.NotFound)
{
return(new BoltServerException(
ServerErrorCode.BoltUnavailable,
context.Action.Name,
context.Request.RequestUri.ToString()));
}
return(null);
}
public virtual ErrorHandlingResult Handle(ClientActionContext context, Exception e)
{
if (context.Proxy.State == ProxyState.Closed)
{
return(ErrorHandlingResult.Close);
}
if (e is NoServersAvailableException)
{
return(ErrorHandlingResult.Recover);
}
if ((e as BoltServerException)?.ServerError == ServerErrorCode.ContractNotFound)
{
return(ErrorHandlingResult.Close);
}
if ((e as BoltServerException)?.ServerError == ServerErrorCode.SessionNotFound)
{
return(ErrorHandlingResult.Recover);
}
if (e is HttpRequestException)
{
return(ErrorHandlingResult.Recover);
}
if (e is ProxyClosedException)
{
return(ErrorHandlingResult.Close);
}
return(ErrorHandlingResult.Rethrow);
}
public ErrorHandlingResult Handle(ClientActionContext context, Exception e)
{
if (e is NoServersAvailableException)
{
return ErrorHandlingResult.Recover;
}
if ((e as BoltServerException)?.Error == ServerErrorCode.ContractNotFound)
{
return ErrorHandlingResult.Close;
}
if ((e as BoltServerException)?.Error == ServerErrorCode.SessionNotFound)
{
return ErrorHandlingResult.Recover;
}
if (e is HttpRequestException)
{
return ErrorHandlingResult.Recover;
}
if (e is ProxyClosedException)
{
return ErrorHandlingResult.Close;
}
return ErrorHandlingResult.Rethrow;
}
public async Task<object> SendAsync(MethodInfo action, params object[] parameters)
{
using (ClientActionContext ctxt = new ClientActionContext(this, Contract, action, parameters))
{
await Pipeline.Instance(ctxt);
return ctxt.ActionResult;
}
}
private void ReleaseContext(ClientActionContext context)
{
if (_contexts.Count < _poolSize)
{
context.Reset();
_contexts.Enqueue(context);
}
}
public async Task OpenAsync()
{
using (ClientActionContext ctxt = new ClientActionContext(this, Contract, BoltFramework.SessionMetadata.Resolve(Contract).InitSession.Action, null))
{
await Pipeline.Instance(ctxt);
State = ProxyState.Open;
}
}
public async Task OpenAsync()
{
using (ClientActionContext ctxt = new ClientActionContext(this, Contract, BoltFramework.GetSessionDescriptor(Contract).InitSession, null))
{
await Pipeline.Instance(ctxt);
State = ProxyState.Open;
}
}
private ClientActionContext CreateContext(ActionMetadata action, params object[] parameters)
{
ClientActionContext context;
if (!_contexts.TryDequeue(out context))
{
context = new ClientActionContext();
}
context.Init(this, Contract, action, parameters);
return(context);
}
public async Task OpenAsync()
{
ClientActionContext ctxt = CreateContext(Contract.Session.InitSession, null);
try
{
await Pipeline.Instance(ctxt).ConfigureAwait(false);
State = ProxyState.Open;
}
finally
{
ReleaseContext(ctxt);
}
}
public async Task <object> SendAsync(MethodInfo action, params object[] parameters)
{
ClientActionContext ctxt = CreateContext(Contract.GetAction(action), parameters);
try
{
await Pipeline.Instance(ctxt).ConfigureAwait(false);
return(ctxt.ActionResult);
}
finally
{
ReleaseContext(ctxt);
}
}
protected virtual ServerErrorCode? TryReadBoltError(ClientActionContext context)
{
string value = context.Response.Headers.GetHeaderValue(_errorCodeHeader);
if (string.IsNullOrEmpty(value))
{
return null;
}
ServerErrorCode code;
if (Enum.TryParse(value, true, out code))
{
return code;
}
return null;
}
protected virtual int? TryReadErrorCode(ClientActionContext context)
{
string value = context.Response.Headers.GetHeaderValue(_errorCodeHeader);
if (string.IsNullOrEmpty(value))
{
return null;
}
int code;
if (int.TryParse(value, out code))
{
return code;
}
return null;
}
public async Task CloseAsync()
{
if (State == ProxyState.Open)
{
using (ClientActionContext ctxt = new ClientActionContext(this, Contract, BoltFramework.SessionMetadata.Resolve(Contract).DestroySession.Action, null))
{
await Pipeline.Instance(ctxt);
State = ProxyState.Closed;
}
}
else
{
State = ProxyState.Closed;
}
Dispose();
}
protected virtual int?TryReadErrorCode(ClientActionContext context)
{
string value = context.Response.Headers.GetHeaderValue(_errorCodeHeader);
if (string.IsNullOrEmpty(value))
{
return(null);
}
int code;
if (int.TryParse(value, out code))
{
return(code);
}
return(null);
}
protected virtual ServerErrorCode?TryReadBoltError(ClientActionContext context)
{
string value = context.Response.Headers.GetHeaderValue(_errorCodeHeader);
if (string.IsNullOrEmpty(value))
{
return(null);
}
ServerErrorCode code;
if (Enum.TryParse(value, true, out code))
{
return(code);
}
return(null);
}
public async Task CloseAsync()
{
if (State == ProxyState.Open)
{
ClientActionContext ctxt = CreateContext(Contract.Session.DestroySession, null);
try
{
await Pipeline.Instance(ctxt).ConfigureAwait(false);
State = ProxyState.Closed;
}
finally
{
ReleaseContext(ctxt);
}
}
else
{
State = ProxyState.Closed;
}
Dispose();
}
public virtual BoltServerException TryReadServerError(ClientActionContext context)
{
ServerErrorCode? result = TryReadBoltError(context);
if (result != null)
{
return new BoltServerException(result.Value, context.Action, context.Request.RequestUri.ToString());
}
int? code = TryReadErrorCode(context);
if (code != null)
{
return new BoltServerException(code.Value, context.Action, context.Request.RequestUri.ToString());
}
if (context.Response?.StatusCode == HttpStatusCode.NotFound)
{
return new BoltServerException(
ServerErrorCode.BoltUnavailable,
context.Action,
context.Request.RequestUri.ToString());
}
return null;
}
