// Change the value of an attribute on a device, and update cache on the fly
// Note: the function cache is a typed (parsed) cache, contrarily to the agnostic device cache
protected internal virtual async Task <int> _setAttr(string attr, string newval)
{
if (newval == null)
{
throw new YAPI_Exception(YAPI.INVALID_ARGUMENT, "Undefined value to set for attribute " + attr);
}
string attrname = YAPIContext.imm_escapeAttr(attr);
string extra = "/" + attrname + "?" + attrname + "=" + YAPIContext.imm_escapeAttr(newval) + "&.";
await _devRequest(extra);
if (_cacheExpiration != 0)
{
_cacheExpiration = YAPI.GetTickCount();
}
return(YAPI.SUCCESS);
}
internal async Task <byte[]> GetResponse()
{
Task <byte[]> task = _tcs.Task;
ulong now = YAPI.GetTickCount();
int msTimeout = (int)(_timeout - now);
Task endedTask = await Task.WhenAny(task, Task.Delay(msTimeout));
if (endedTask != task)
{
_asyncResult?.Invoke(_asyncContext, imm_RemoveHeader(_response), YAPI.TIMEOUT, "USB request " + _debug_name + " did not finished in time");
throw new YAPI_Exception(YAPI.TIMEOUT, "USB request " + _debug_name + " did not finished in time");
}
byte[] response = task.Result;
var res = imm_RemoveHeader(response);
return(res);
}
// Get the whole REST API string for a device, from cache if possible
internal virtual async Task <YJSONObject> requestAPI()
{
if (_cache_expiration > YAPI.GetTickCount())
{
return(_cache_json);
}
string request;
if (_cache_json == null)
{
request = "GET /api.json \r\n\r\n";
}
else
{
string fw = _cache_json.getYJSONObject("module").getString("firmwareRelease");
request = "GET /api.json?fw=" + YAPIContext.imm_escapeAttr(fw) + " \r\n\r\n";
}
string yreq;
try {
yreq = await requestHTTPSyncAsString(request, null);
} catch (YAPI_Exception) {
await _hub.updateDeviceListAsync(true);
yreq = await requestHTTPSyncAsString(request, null);
}
YJSONObject cache_json;
try {
cache_json = new YJSONObject(yreq);
cache_json.parseWithRef(_cache_json);
} catch (Exception ex) {
_cache_json = null;
throw new YAPI_Exception(YAPI.IO_ERROR, "Request failed, could not parse API (" + ex.Message + ")");
}
this._cache_expiration = YAPI.GetTickCount() + await YAPI.imm_GetYCtx().GetCacheValidity();
this._cache_json = cache_json;
return(cache_json);
}
public YRequest(byte[] requestBytes, YGenericHub.RequestAsyncResult asyncResult, object asyncContext, ulong maxTime)
{
_response = new byte[1024];
_response_size = 0;
_isDone = false;
_debug_name = YAPI.DefaultEncoding.GetString(requestBytes);
int debug_pos = _debug_name.IndexOf('\r');
if (debug_pos > 0)
{
_debug_name = _debug_name.Substring(0, debug_pos);
}
_asyncResult = asyncResult;
_asyncContext = asyncContext;
_tm_start = YAPI.GetTickCount();
_timeout = _tm_start + maxTime;
_tcs = new TaskCompletionSource <byte[]>();
}
internal override async Task <byte[]> devRequestSync(YDevice device, string req_first_line, byte[] req_head_and_body, uint mstimeout, YGenericHub.RequestProgress progress, object context)
{
ulong start = YAPI.GetTickCount();
if (!_httpReqByDev.ContainsKey(device))
{
_httpReqByDev[device] = new YHTTPRequest(_hub, "Device " + device.SerialNumber);
}
YHTTPRequest req = _httpReqByDev[device];
byte[] result = await req.RequestSync(req_first_line, req_head_and_body, mstimeout);
ulong stop = YAPI.GetTickCount();
//Debug.WriteLine(string.Format("SyncRes on {0} took {1}ms", device.SerialNumber, stop - start));
return(result);
}
internal async Task EnsureLastRequestDone()
{
if (_currentReq != null)
{
ulong now = YAPI.GetTickCount();
ulong timeout = _startRequestTime + _requestTimeout;
if (timeout <= now)
{
throw new YAPI_Exception(YAPI.TIMEOUT, "Last Http request did not finished");
}
int msTimeout = (int)(timeout - now);
Task task = await Task.WhenAny(_currentReq, Task.Delay(msTimeout));
if (task != _currentReq)
{
throw new YAPI_Exception(YAPI.TIMEOUT, "Last Http request did not finished");
}
_currentReq = null;
}
}
internal void imm_AppendResponseData(byte[] data)
{
int length = _responseData.Length;
if (_responseLen + data.Length > length)
{
byte[] tmp = new byte[length * 2];
Array.Copy(_responseData, 0, tmp, 0, _responseLen);
Array.Copy(data, 0, tmp, _responseLen, data.Length);
_responseLen += data.Length;
_responseData = tmp;
}
else
{
Array.Copy(data, 0, _responseData, _responseLen, data.Length);
_responseLen += data.Length;
}
_tmIn = YAPI.GetTickCount();
}
internal override async Task updateDeviceListAsync(bool forceupdate)
{
ulong now = YAPI.GetTickCount();
if (forceupdate)
{
_devListExpires = 0;
}
if (_devListExpires > now)
{
return;
}
await _ywatcher.ImediateEnum();
List <YUSBDevice> devices = _ywatcher.imm_GetUsableDevices();
//_yctx._Log(string.Format("{0} devices usable\n",devices.Count));
Dictionary <string, List <YPEntry> > yellowPages = new Dictionary <string, List <YPEntry> >();
List <WPEntry> whitePages = new List <WPEntry>();
foreach (YUSBDevice d in devices)
{
whitePages.Add(d.imm_GetWhitesPagesEntry());
d.imm_UpdateYellowPages(yellowPages);
}
// Reindex all devices from white pages
for (int i = 0; i < whitePages.Count; i++)
{
_serialByYdx[i] = whitePages[i].SerialNumber;
}
await updateFromWpAndYp(whitePages, yellowPages);
// reset device list cache timeout for this hub
now = YAPI.GetTickCount();
_devListExpires = now + 500;
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YBluetoothLink(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YPwmOutput(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YMotor(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YDigitalIO(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YCurrent(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YGroundSpeed(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YAudioOut(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YRangeFinder(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YPressure(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YGenericSensor(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YArithmeticSensor(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YWatchdog(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YColorLed(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YMultiSensController(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YSegmentedDisplay(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
public YFunction(string func) : this(YAPI.imm_GetYCtx(), func, "Function")
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YAltitude(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
protected internal static YFunction _FindFromCache(string className, string func)
{
YAPIContext ctx = YAPI.imm_GetYCtx();
return(ctx._yHash.imm_getFunction(className, func));
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YTvoc(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
internal virtual async void _parse(YJSONObject json, ulong msValidity)
{
_cacheExpiration = YAPI.GetTickCount() + msValidity;
imm_parseAttr(json);
await _parserHelper();
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YWakeUpMonitor(string func)
: this(YAPI.imm_GetYCtx(), func)
{
}
/**
* <summary>
* </summary>
* <param name="func">
* functionid
* </param>
*/
protected YFiles(string func) : this(YAPI.imm_GetYCtx(), func)
{
}
