IEnumerator <ITask> HttpPostHandler(HttpPost post)
{
Fault fault = null;
NameValueCollection collection = null;
ReadFormData readForm = new ReadFormData(post.Body.Context);
_utilitiesPort.Post(readForm);
yield return(Arbiter.Choice(
readForm.ResultPort,
delegate(NameValueCollection col)
{
collection = col;
},
delegate(Exception e)
{
fault = Fault.FromException(e);
LogError(null, "Error processing form data", fault);
}
));
if (fault != null)
{
post.ResponsePort.Post(fault);
yield break;
}
if (!string.IsNullOrEmpty(collection["ChangeCamera"]))
{
string device = string.Empty;
try
{
device = collection["Camera"];
}
catch (Exception e)
{
fault = Fault.FromException(e);
LogError(null, "Error reading form data", fault);
}
if (fault != null)
{
post.ResponsePort.Post(fault);
yield break;
}
UpdateDeviceRequest request = new UpdateDeviceRequest();
request.Selected.DevicePath = device;
UpdateDevice update = new UpdateDevice();
update.Body = request;
UpdateDeviceInternal(update);
yield return(Arbiter.Choice(
update.ResponsePort,
delegate(DefaultUpdateResponseType success) { },
delegate(Fault f)
{
fault = f;
LogError(null, "Unable to change camera", fault);
}
));
}
else if (!string.IsNullOrEmpty(collection["ChangeFormat"]))
{
int formatIndex = 0;
Format format = null;
try
{
formatIndex = int.Parse(collection["CaptureFormat"]);
format = _state.Selected.SupportedFormats[formatIndex - 1];
}
catch (Exception e)
{
fault = Fault.FromException(e);
LogError(null, "Error parsing form data", fault);
}
if (fault != null)
{
post.ResponsePort.Post(fault);
yield break;
}
UpdateFormat update = new UpdateFormat();
update.Body = format;
UpdateFormatInternal(update);
yield return(Arbiter.Choice(
update.ResponsePort,
delegate(DefaultUpdateResponseType success) { },
delegate(Fault f)
{
fault = f;
LogError(null, "Unable to change format", fault);
}
));
}
if (fault != null)
{
post.ResponsePort.Post(fault);
yield break;
}
post.ResponsePort.Post(new HttpResponseType(HttpStatusCode.OK, _state, _transform));
yield break;
}
IEnumerator <ITask> GetInitialState(Srv1CameraState initialState)
{
Srv1CameraState state = new Srv1CameraState();
state.CaptureFile = initialState.CaptureFile;
state.Quality = initialState.Quality;
yield return(InitializeInternalService());
foreach (object obj in new vision.CameraCollection())
{
using (vision.Camera camera = obj as vision.Camera)
{
CameraInstance instance = new CameraInstance();
instance.FriendlyName = camera.Name;
instance.DevicePath = camera.Path;
instance.SupportedFormats = ConvertFormats(camera.Formats);
state.Cameras.Add(instance);
}
}
state.Image = null;
Replace replace = new Replace();
replace.Body = state;
_fwdPort.Post(replace);
yield return(Arbiter.Choice(
replace.ResponsePort,
delegate(DefaultReplaceResponseType success) { },
delegate(Fault fault)
{
LogError(null, "Unable to set camera list", fault);
}
));
UpdateDeviceRequest request = new UpdateDeviceRequest();
if (initialState.Selected != null)
{
request.Selected = initialState.Selected;
}
else if (state.Cameras.Count > 0)
{
request.Selected = state.Cameras[0];
}
else
{
yield break;
}
UpdateDevice update = new UpdateDevice();
update.Body = request;
_fwdPort.Post(update);
yield return(Arbiter.Choice(
update.ResponsePort,
delegate(DefaultUpdateResponseType success) { },
delegate(Fault fault)
{
LogError(null, "Unable to select camera", fault);
}
));
if (initialState.Selected == null ||
initialState.Selected.Format == null)
{
yield break;
}
UpdateFormat updateFormat = new UpdateFormat();
updateFormat.Body = initialState.Selected.Format;
_fwdPort.Post(updateFormat);
yield return(Arbiter.Choice(
updateFormat.ResponsePort,
delegate(DefaultUpdateResponseType success) { },
delegate(Fault fault)
{
LogError(null, "Unable to select format", fault);
}
));
}