public async Task GetKeyStatus(IProcessKeyStatus status)
{
logger.Log("Process " + Id + " sending key/value fetch for " +
status.GetKey() + ":" + status.GetVersion() + ":" + status.GetTimeout());
IComputer remote;
Task computerInterrupt;
lock (this)
{
// use a lock to ensure memory safety since these are set on another thread
remote = computer;
computerInterrupt = computerCancellation;
}
Task interrupt = Task.WhenAny(computerInterrupt, AsyncCancelTask);
StringBuilder sb = new StringBuilder(directory);
sb.AppendFormat("?key={0}", status.GetKey());
sb.AppendFormat("&timeout={0}", status.GetTimeout());
sb.AppendFormat("&version={0}", status.GetVersion());
Task<IHttpResponse> completed;
try
{
IHttpRequest request = HttpClient.Create(remote.ProcessServer + sb.ToString());
request.Timeout = status.GetTimeout() + 30000;
Task<IHttpResponse> bail = interrupt.ContinueWith((t) => null as IHttpResponse);
completed = await Task.WhenAny(bail, request.GetResponseAsync());
if (completed == bail)
{
logger.Log("Process " + Id + " abandoned property fetch due to interrupt");
return;
}
}
catch (NotHttpException e)
{
string error = "Status fetch failed message " + e.Message + " status " + e.Response.StatusCode + ": " + e.Response.StatusDescription;
logger.Log("Process " + Id + " got remote property fetch failure from " + remote.Name +
" at " + remote.Host + ": " + error);
status.OnCompleted(0, null, 1, error);
return;
}
catch (Exception e)
{
string error = "Status fetch failed message " + e.ToString();
logger.Log("Process " + Id + " got remote property fetch failure from " + remote.Name +
" at " + remote.Host + ": " + error);
status.OnCompleted(0, null, 1, error);
return;
}
using (IHttpResponse response = completed.Result)
{
try
{
using (MemoryStream ms = new MemoryStream())
{
Task payload;
using (Stream payloadStream = response.GetResponseStream())
{
payload = await Task.WhenAny(interrupt, payloadStream.CopyToAsync(ms));
}
if (payload == interrupt)
{
logger.Log("Process " + Id + " abandoned property fetch due to interrupt");
return;
}
logger.Log("Process " + Id + " completed property fetch");
UInt64 newVersion = UInt64.Parse(response.Headers["X-Dryad-ValueVersion"]);
string stateString = response.Headers["X-Dryad-ProcessStatus"];
int exitCode = Int32.Parse(response.Headers["X-Dryad-ProcessExitCode"]);
logger.Log("Process " + Id + " property fetch: " + status.GetKey() + ":" + newVersion + ":" + stateString);
status.OnCompleted(newVersion, ms.ToArray(), exitCode, null);
}
}
catch (NotHttpException e)
{
string error = "Status fetch failed message " + e.Message + " status " + e.Response.StatusCode + ": " + e.Response.StatusDescription;
logger.Log("Process " + Id + " got remote property fetch failure from " + remote.Name +
" at " + remote.Host + ": " + error);
status.OnCompleted(0, null, 1, error);
}
catch (Exception e)
{
string error = "Header fetch failed message " + e.ToString() + " headers " + response.Headers;
logger.Log("Process " + Id + " got remote property fetch failure from " + remote.Name +
" at " + remote.Host + ": " + error);
status.OnCompleted(0, null, 1, error);
}
}
}
public void GetProcessStatus(IProcess ip, IProcessKeyStatus status)
{
Process process = ip as Process;
Task.Run(() => process.GetKeyStatus(status));
}
public void GetProcessStatus(IProcess ip, IProcessKeyStatus status)
{
Process process = ip as Process;
Task.Run(() => process.GetKeyStatus(status));
}
public async Task GetKeyStatus(IProcessKeyStatus status)
{
logger.Log("Process " + Id + " sending key/value fetch for " +
status.GetKey() + ":" + status.GetVersion() + ":" + status.GetTimeout());
IComputer remote;
Task computerInterrupt;
lock (this)
{
// use a lock to ensure memory safety since these are set on another thread
remote = computer;
computerInterrupt = computerCancellation;
}
Task interrupt = Task.WhenAny(computerInterrupt, AsyncCancelTask);
StringBuilder sb = new StringBuilder(directory);
sb.AppendFormat("?key={0}", status.GetKey());
sb.AppendFormat("&timeout={0}", status.GetTimeout());
sb.AppendFormat("&version={0}", status.GetVersion());
Task <IHttpResponse> completed;
try
{
IHttpRequest request = HttpClient.Create(remote.ProcessServer + sb.ToString());
request.Timeout = status.GetTimeout() + 30000;
Task <IHttpResponse> bail = interrupt.ContinueWith((t) => null as IHttpResponse);
completed = await Task.WhenAny(bail, request.GetResponseAsync());
if (completed == bail)
{
logger.Log("Process " + Id + " abandoned property fetch due to interrupt");
return;
}
}
catch (NotHttpException e)
{
string error = "Status fetch failed message " + e.Message + " status " + e.Response.StatusCode + ": " + e.Response.StatusDescription;
logger.Log("Process " + Id + " got remote property fetch failure from " + remote.Name +
" at " + remote.Host + ": " + error);
status.OnCompleted(0, null, 1, error);
return;
}
catch (Exception e)
{
string error = "Status fetch failed message " + e.ToString();
logger.Log("Process " + Id + " got remote property fetch failure from " + remote.Name +
" at " + remote.Host + ": " + error);
status.OnCompleted(0, null, 1, error);
return;
}
using (IHttpResponse response = completed.Result)
{
try
{
using (MemoryStream ms = new MemoryStream())
{
Task payload;
using (Stream payloadStream = response.GetResponseStream())
{
payload = await Task.WhenAny(interrupt, payloadStream.CopyToAsync(ms));
}
if (payload == interrupt)
{
logger.Log("Process " + Id + " abandoned property fetch due to interrupt");
return;
}
logger.Log("Process " + Id + " completed property fetch");
UInt64 newVersion = UInt64.Parse(response.Headers["X-Dryad-ValueVersion"]);
string stateString = response.Headers["X-Dryad-ProcessStatus"];
int exitCode = Int32.Parse(response.Headers["X-Dryad-ProcessExitCode"]);
logger.Log("Process " + Id + " property fetch: " + status.GetKey() + ":" + newVersion + ":" + stateString);
status.OnCompleted(newVersion, ms.ToArray(), exitCode, null);
}
}
catch (NotHttpException e)
{
string error = "Status fetch failed message " + e.Message + " status " + e.Response.StatusCode + ": " + e.Response.StatusDescription;
logger.Log("Process " + Id + " got remote property fetch failure from " + remote.Name +
" at " + remote.Host + ": " + error);
status.OnCompleted(0, null, 1, error);
}
catch (Exception e)
{
string error = "Header fetch failed message " + e.ToString() + " headers " + response.Headers;
logger.Log("Process " + Id + " got remote property fetch failure from " + remote.Name +
" at " + remote.Host + ": " + error);
status.OnCompleted(0, null, 1, error);
}
}
}
