internal virtual string imm_get_json_path_struct(YJSONObject jsonObject, string[] paths, int ofs)
{
string key = paths[ofs];
if (!jsonObject.has(key))
{
return("");
}
YJSONContent obj = jsonObject.get(key);
if (obj != null)
{
if (paths.Length == ofs + 1)
{
return(obj.toJSON());
}
if (obj is YJSONArray)
{
return(imm_get_json_path_array(jsonObject.getYJSONArray(key), paths, ofs + 1));
}
else if (obj is YJSONObject)
{
return(imm_get_json_path_struct(jsonObject.getYJSONObject(key), paths, ofs + 1));
}
}
return("");
}
// YDataSet parser for stream list
protected internal virtual async Task <int> _parse(string json_str)
{
YJSONObject json;
YJSONArray jstreams;
double streamStartTime;
double streamEndTime;
json = new YJSONObject(json_str);
json.parse();
_functionId = json.getString("id");
_unit = json.getString("unit");
if (json.has("calib"))
{
_calib = YAPIContext.imm_decodeFloats(json.getString("calib"));
_calib[0] = _calib[0] / 1000;
}
else
{
_calib = YAPIContext.imm_decodeWords(json.getString("cal"));
}
_streams = new List <YDataStream>();
_preview = new List <YMeasure>();
_measures = new List <YMeasure>();
jstreams = json.getYJSONArray("streams");
for (int i = 0; i < jstreams.Length; i++)
{
YDataStream stream = _parent.imm_findDataStream(this, jstreams.getString(i));
// the timestamp in the data streams is the end of the measure, so the actual
// measurement start time is computed as one interval before the first timestamp
streamStartTime = await stream.get_realStartTimeUTC() * 1000;
streamEndTime = streamStartTime + await stream.get_realDuration() * 1000;
if (_startTimeMs > 0 && streamEndTime <= _startTimeMs)
{
// this stream is too early, drop it
}
else if (_endTimeMs > 0 && streamStartTime >= _endTimeMs)
{
// this stream is too late, drop it
}
else
{
_streams.Add(stream);
}
}
_progress = 0;
return(await this.get_progress());
}
public override async Task <List <string> > getBootloaders()
{
List <string> res = new List <string>();
byte[] raw_data = await _notificationHandler.hubRequestSync("GET /flash.json?a=list", null, YIO_DEFAULT_TCP_TIMEOUT);
string jsonstr = YAPI.DefaultEncoding.GetString(raw_data);
YJSONObject flashres = new YJSONObject(jsonstr);
flashres.parse();
YJSONArray list = flashres.getYJSONArray("list");
for (int i = 0; i < list.Length; i++)
{
res.Add(list.getString(i));
}
return(res);
}
internal override async Task <List <string> > firmwareUpdate(string serial, YFirmwareFile firmware, byte[] settings,
UpdateProgress progress)
{
bool use_self_flash = false;
string baseurl = "";
bool need_reboot = true;
if (_serial.StartsWith("VIRTHUB", StringComparison.Ordinal))
{
use_self_flash = false;
}
else if (serial.Equals(_serial))
{
use_self_flash = true;
}
else
{
// check if subdevice support self flashing
try {
await _notificationHandler.hubRequestSync("GET /bySerial/" + serial + "/flash.json?a=state", null,
YIO_DEFAULT_TCP_TIMEOUT);
baseurl = "/bySerial/" + serial;
use_self_flash = true;
} catch (YAPI_Exception) { }
}
//5% -> 10%
await progress(5, "Enter in bootloader");
List <string> bootloaders = await getBootloaders();
bool is_shield = serial.StartsWith("YHUBSHL1", StringComparison.Ordinal);
foreach (string bl in bootloaders)
{
if (bl.Equals(serial))
{
need_reboot = false;
}
else if (is_shield)
{
if (bl.StartsWith("YHUBSHL1", StringComparison.Ordinal))
{
throw new YAPI_Exception(YAPI.IO_ERROR, "Only one YoctoHub-Shield is allowed in update mode");
}
}
}
if (!use_self_flash && need_reboot && bootloaders.Count >= 4)
{
throw new YAPI_Exception(YAPI.IO_ERROR, "Too many devices in update mode");
}
// ensure flash engine is not busy
byte[] bytes = await _notificationHandler.hubRequestSync("GET" + baseurl + "/flash.json?a=state", null,
YIO_DEFAULT_TCP_TIMEOUT);
string uploadstate = YAPI.DefaultEncoding.GetString(bytes);
YJSONObject uploadres = new YJSONObject(uploadstate);
uploadres.parse();
string state = uploadres.getYJSONString("state").getString();
if (state.Equals("uploading") || state.Equals("flashing"))
{
throw new YAPI_Exception(YAPI.IO_ERROR, "Cannot start firmware update: busy (" + state + ")");
}
// start firmware upload
//10% -> 40%
await progress(10, "Send firmware file");
byte[] head_body = YDevice.imm_formatHTTPUpload("firmware", firmware.Data);
await _notificationHandler.hubRequestSync("POST " + baseurl + "/upload.html", head_body, 0);
//check firmware upload result
bytes = await _notificationHandler.hubRequestSync("GET " + baseurl + "/flash.json?a=state", null,
YIO_10_MINUTES_TCP_TIMEOUT);
string uploadresstr = YAPI.DefaultEncoding.GetString(bytes);
uploadres = new YJSONObject(uploadresstr);
uploadres.parse();
state = uploadres.getString("state");
if (state != "valid")
{
throw new YAPI_Exception(YAPI.IO_ERROR, "Upload of firmware failed: invalid firmware(" + state + ")");
}
if (uploadres.getInt("progress") != 100)
{
throw new YAPI_Exception(YAPI.IO_ERROR, "Upload of firmware failed: incomplete upload");
}
if (use_self_flash)
{
byte[] startupConf;
string json = YAPI.DefaultEncoding.GetString(settings);
YJSONObject jsonObject = new YJSONObject(json);
jsonObject.parse();
YJSONObject settingsOnly = jsonObject.getYJSONObject("api");
settingsOnly.remove("services");
string startupConfStr = settingsOnly.ToString();
startupConf = YAPI.DefaultEncoding.GetBytes(startupConfStr);
await progress(20, "Upload startupConf.json");
head_body = YDevice.imm_formatHTTPUpload("startupConf.json", startupConf);
await _notificationHandler.hubRequestSync("POST " + baseurl + "/upload.html", head_body,
YIO_10_MINUTES_TCP_TIMEOUT);
await progress(20, "Upload firmwareConf");
head_body = YDevice.imm_formatHTTPUpload("firmwareConf", startupConf);
await _notificationHandler.hubRequestSync("POST " + baseurl + "/upload.html", head_body,
YIO_10_MINUTES_TCP_TIMEOUT);
}
//40%-> 80%
if (use_self_flash)
{
await progress(40, "Flash firmware");
// the hub itself -> reboot in autoflash mode
await _notificationHandler.hubRequestSync(
"GET " + baseurl + "/api/module/rebootCountdown?rebootCountdown=-1003", null, YIO_DEFAULT_TCP_TIMEOUT);
await Task.Delay(TimeSpan.FromSeconds(7));
}
else
{
// reboot device to bootloader if needed
if (need_reboot)
{
// reboot subdevice
await _notificationHandler.hubRequestSync(
"GET /bySerial/" + serial + "/api/module/rebootCountdown?rebootCountdown=-2", null,
YIO_DEFAULT_TCP_TIMEOUT);
}
// verify that the device is in bootloader
ulong timeout = YAPI.GetTickCount() + YPROG_BOOTLOADER_TIMEOUT;
byte[] res;
bool found = false;
await progress(40, "Wait for device to be in bootloader");
do
{
List <string> list = await getBootloaders();
foreach (string bl in list)
{
if (bl.Equals(serial))
{
found = true;
break;
}
}
if (!found)
{
//fixme: replace by async
//Thread.Sleep(100);
}
} while (!found && YAPI.GetTickCount() < timeout);
//start flash
await progress(45, "Flash firmware");
res = await _notificationHandler.hubRequestSync("GET /flash.json?a=flash&s=" + serial, null,
YIO_10_MINUTES_TCP_TIMEOUT);
string jsonstr = YAPI.DefaultEncoding.GetString(res);
YJSONObject flashres = new YJSONObject(jsonstr);
flashres.parse();
YJSONArray logslist = flashres.getYJSONArray("logs");
List <string> logs = new List <string>(logslist.Length);
for (int i = 0; i < logslist.Length; i++)
{
logs.Add(logslist.getString(i));
}
return(logs);
}
return(null);
}
internal override async Task updateDeviceListAsync(bool forceupdate)
{
ulong now = YAPI.GetTickCount();
if (forceupdate)
{
_devListExpires = 0;
}
if (_devListExpires > now)
{
return;
}
if (!_notificationHandler.Connected)
{
if (_reportConnnectionLost)
{
throw new YAPI_Exception(YAPI.TIMEOUT, "hub " + _http_params.Url + " is not reachable");
}
else
{
return;
}
}
string json_data;
try {
byte[] data = await _notificationHandler.hubRequestSync("GET /api.json", null,
YIO_DEFAULT_TCP_TIMEOUT);
json_data = YAPI.DefaultEncoding.GetString(data);
} catch (YAPI_Exception) {
if (_reportConnnectionLost)
{
throw;
}
return;
}
Dictionary <string, List <YPEntry> > yellowPages = new Dictionary <string, List <YPEntry> >();
List <WPEntry> whitePages = new List <WPEntry>();
YJSONObject loadval = new YJSONObject(json_data);
loadval.parse();
if (!loadval.has("services") || !loadval.getYJSONObject("services").has("whitePages"))
{
throw new YAPI_Exception(YAPI.INVALID_ARGUMENT, "Device " + _http_params.Host + " is not a hub");
}
_serial = loadval.getYJSONObject("module").getString("serialNumber");
YJSONArray whitePages_json = loadval.getYJSONObject("services").getYJSONArray("whitePages");
YJSONObject yellowPages_json = loadval.getYJSONObject("services").getYJSONObject("yellowPages");
if (loadval.has("network"))
{
string adminpass = loadval.getYJSONObject("network").getString("adminPassword");
_writeProtected = adminpass.Length > 0;
}
// Reindex all functions from yellow pages
//HashMap<String, Boolean> refresh = new HashMap<String, Boolean>();
List <string> keys = yellowPages_json.keys();
foreach (string classname in keys)
{
YJSONArray yprecs_json = yellowPages_json.getYJSONArray(classname);
List <YPEntry> yprecs_arr = new List <YPEntry>(yprecs_json.Length);
for (int i = 0; i < yprecs_json.Length; i++)
{
YPEntry yprec = new YPEntry(yprecs_json.getYJSONObject(i));
yprecs_arr.Add(yprec);
}
yellowPages[classname] = yprecs_arr;
}
_serialByYdx.Clear();
// Reindex all devices from white pages
for (int i = 0; i < whitePages_json.Length; i++)
{
YJSONObject jsonObject = whitePages_json.getYJSONObject(i);
WPEntry devinfo = new WPEntry(jsonObject);
int index = jsonObject.getInt("index");
_serialByYdx[index] = devinfo.SerialNumber;
whitePages.Add(devinfo);
}
await updateFromWpAndYp(whitePages, yellowPages);
// reset device list cache timeout for this hub
now = YAPI.GetTickCount();
_devListExpires = now + _devListValidity;
}
// YDataSet parser for stream list
protected internal virtual async Task <int> _parse(string json_str)
{
YJSONObject json;
YJSONArray jstreams;
double summaryMinVal = double.MaxValue;
double summaryMaxVal = double.Epsilon;
double summaryTotalTime = 0;
double summaryTotalAvg = 0;
long streamStartTime;
long streamEndTime;
long startTime = 0x7fffffff;
long endTime = 0;
json = new YJSONObject(json_str);
json.parse();
_functionId = json.getString("id");
_unit = json.getString("unit");
if (json.has("calib"))
{
_calib = YAPIContext.imm_decodeFloats(json.getString("calib"));
_calib[0] = _calib[0] / 1000;
}
else
{
_calib = YAPIContext.imm_decodeWords(json.getString("cal"));
}
_streams = new List <YDataStream>();
_preview = new List <YMeasure>();
_measures = new List <YMeasure>();
jstreams = json.getYJSONArray("streams");
for (int i = 0; i < jstreams.Length; i++)
{
YDataStream stream = _parent.imm_findDataStream(this, jstreams.getString(i));
streamStartTime = await stream.get_startTimeUTC() - await stream.get_dataSamplesIntervalMs() / 1000;
streamEndTime = await stream.get_startTimeUTC() + await stream.get_duration();
if (_startTime > 0 && streamEndTime <= _startTime)
{
// this stream is too early, drop it
}
else if (_endTime > 0 && await stream.get_startTimeUTC() > _endTime)
{
// this stream is too late, drop it
}
else
{
_streams.Add(stream);
if (startTime > streamStartTime)
{
startTime = streamStartTime;
}
if (endTime < streamEndTime)
{
endTime = streamEndTime;
}
if (await stream.isClosed() && await stream.get_startTimeUTC() >= _startTime && (_endTime == 0 || streamEndTime <= _endTime))
{
if (summaryMinVal > await stream.get_minValue())
{
summaryMinVal = await stream.get_minValue();
}
if (summaryMaxVal < await stream.get_maxValue())
{
summaryMaxVal = await stream.get_maxValue();
}
summaryTotalAvg += await stream.get_averageValue() * await stream.get_duration();
summaryTotalTime += await stream.get_duration();
YMeasure rec = new YMeasure(await stream.get_startTimeUTC(), streamEndTime, await stream.get_minValue(), await stream.get_averageValue(), await stream.get_maxValue());
_preview.Add(rec);
}
}
}
if ((_streams.Count > 0) && (summaryTotalTime > 0))
{
// update time boundaries with actual data
if (_startTime < startTime)
{
_startTime = startTime;
}
if (_endTime == 0 || _endTime > endTime)
{
_endTime = endTime;
}
_summary = new YMeasure(_startTime, _endTime, summaryMinVal, summaryTotalAvg / summaryTotalTime, summaryMaxVal);
}
_progress = 0;
return(await this.get_progress());
}
