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Code Issues Releases Activity

Moved the generation of jsonChunks to control manager

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This commit is contained in:
Martin 2024-07-18 11:50:15 -04:00
parent 83104e9e1e
commit 0a0a97d7f9
2 changed files with 3 additions and 211 deletions
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213
src/ESPUIclient.cpp
View File

@ -79,7 +79,7 @@ void ESPUIclient::FillInHeader(JsonDocument& document)
document[F("type")] = UI_EXTEND_GUI;
document[F("sliderContinuous")] = ESPUI.sliderContinuous;
document[F("startindex")] = 0;
document[F("totalcontrols")] = ESPUI.controlCount;
document[F("totalcontrols")] = ESPUIcontrolMgr.GetControlCount();
JsonArray items = AllocateJsonArray(document, F("controls"));
JsonObject titleItem = AllocateJsonObject(items);
titleItem[F("type")] = (int)UI_TITLE;
@ -253,213 +253,6 @@ bool ESPUIclient::onWsEvent(AwsEventType type, void* arg, uint8_t* data, size_t
return Response;
}
/*
Prepare a chunk of elements as a single JSON string. If the allowed number of elements is greater than the total
number this will represent the entire UI. More likely, it will represent a small section of the UI to be sent. The
client will acknowledge receipt by requesting the next chunk.
*/
uint32_t ESPUIclient::prepareJSONChunk(uint16_t startindex,
JsonDocument & rootDoc,
bool InUpdateMode,
String FragmentRequestString)
{
#ifdef ESP32
xSemaphoreTake(ESPUI.ControlsSemaphore, portMAX_DELAY);
#endif // def ESP32
// Serial.println(String("prepareJSONChunk: Start. InUpdateMode: ") + String(InUpdateMode));
// Serial.println(String("prepareJSONChunk: Start. startindex: ") + String(startindex));
// Serial.println(String("prepareJSONChunk: Start. FragmentRequestString: '") + FragmentRequestString + "'");
int elementcount = 0;
uint32_t MaxMarshaledJsonSize = (!InUpdateMode) ? ESPUI.jsonInitialDocumentSize: ESPUI.jsonUpdateDocumentSize;
uint32_t EstimatedUsedMarshaledJsonSize = 0;
do // once
{
// Follow the list until control points to the startindex'th node
Control* control = ESPUI.controls;
uint32_t currentIndex = 0;
uint32_t DataOffset = 0;
JsonArray items = rootDoc[F("controls")];
bool SingleControl = false;
if(!emptyString.equals(FragmentRequestString))
{
// Serial.println(F("prepareJSONChunk:Fragmentation:Got Header (1)"));
// Serial.println(String("prepareJSONChunk:startindex: ") + String(startindex));
// Serial.println(String("prepareJSONChunk:currentIndex: ") + String(currentIndex));
// Serial.println(String("prepareJSONChunk:FragmentRequestString: '") + FragmentRequestString + "'");
// this is actually a fragment or directed update request
// parse the string we got from the UI and try to update that specific
// control.
AllocateJsonDocument(FragmentRequest, FragmentRequestString.length() * 3);
/*
ArduinoJson::detail::sizeofObject(N);
if(0 >= FragmentRequest.capacity())
{
Serial.println(F("ERROR:prepareJSONChunk:Fragmentation:Could not allocate memory for a fragmentation request. Skipping Response"));
break;
}
*/
size_t FragmentRequestStartOffset = FragmentRequestString.indexOf("{");
DeserializationError error = deserializeJson(FragmentRequest, FragmentRequestString.substring(FragmentRequestStartOffset));
if(DeserializationError::Ok != error)
{
Serial.println(F("ERROR:prepareJSONChunk:Fragmentation:Could not extract json from the fragment request"));
break;
}
if(!FragmentRequest.containsKey(F("id")))
{
Serial.println(F("ERROR:prepareJSONChunk:Fragmentation:Request does not contain a control ID"));
break;
}
uint16_t ControlId = uint16_t(FragmentRequest[F("id")]);
if(!FragmentRequest.containsKey(F("offset")))
{
Serial.println(F("ERROR:prepareJSONChunk:Fragmentation:Request does not contain a starting offset"));
break;
}
DataOffset = uint16_t(FragmentRequest[F("offset")]);
control = ESPUI.getControlNoLock(ControlId);
if(nullptr == control)
{
Serial.println(String(F("ERROR:prepareJSONChunk:Fragmentation:Requested control: ")) + String(ControlId) + F(" does not exist"));
break;
}
// Serial.println(F("prepareJSONChunk:Fragmentation:disable the control search operation"));
currentIndex = 1;
startindex = 0;
SingleControl = true;
}
// find a control to send
while ((startindex > currentIndex) && (nullptr != control))
{
// only count active controls
if (!control->ToBeDeleted())
{
if(InUpdateMode)
{
// In update mode we only count the controls that have been updated.
if(control->NeedsSync(CurrentSyncID))
{
++currentIndex;
}
}
else
{
// not in update mode. Count all active controls
++currentIndex;
}
}
control = control->next;
}
// any controls left to be processed?
if(nullptr == control)
{
// Serial.println("prepareJSONChunk: No controls to process");
break;
}
// keep track of the number of elements we have serialised into this
// message. Overflow is detected and handled later in this loop
// and needs an index to the last item added.
while (nullptr != control)
{
// skip deleted controls or controls that have not been updated
if (control->ToBeDeleted() && !SingleControl)
{
// Serial.println(String("prepareJSONChunk: Ignoring Deleted control: ") + String(control->id));
control = control->next;
continue;
}
if(InUpdateMode && !SingleControl)
{
if(control->NeedsSync(CurrentSyncID))
{
// dont skip this control
}
else
{
// control has not been updated. Skip it
control = control->next;
continue;
}
}
// Serial.println(String(F("prepareJSONChunk: MaxMarshaledJsonSize: ")) + String(MaxMarshaledJsonSize));
// Serial.println(String(F("prepareJSONChunk: Cur EstimatedUsedMarshaledJsonSize: ")) + String(EstimatedUsedMarshaledJsonSize));
JsonObject item = AllocateJsonObject(items);
elementcount++;
uint32_t RemainingSpace = (MaxMarshaledJsonSize - EstimatedUsedMarshaledJsonSize) - 100;
// Serial.println(String(F("prepareJSONChunk: RemainingSpace: ")) + String(RemainingSpace));
uint32_t SpaceUsedByMarshaledControl = 0;
bool ControlIsFragmented = control->MarshalControl(item,
InUpdateMode,
DataOffset,
RemainingSpace,
SpaceUsedByMarshaledControl);
// Serial.println(String(F("prepareJSONChunk: SpaceUsedByMarshaledControl: ")) + String(SpaceUsedByMarshaledControl));
EstimatedUsedMarshaledJsonSize += SpaceUsedByMarshaledControl;
// Serial.println(String(F("prepareJSONChunk: New EstimatedUsedMarshaledJsonSize: ")) + String(EstimatedUsedMarshaledJsonSize));
// Serial.println(String(F("prepareJSONChunk: ControlIsFragmented: ")) + String(ControlIsFragmented));
// did the control get added to the doc?
if (0 == SpaceUsedByMarshaledControl ||
(ESPUI.jsonChunkNumberMax > 0 && (elementcount % ESPUI.jsonChunkNumberMax) == 0))
{
// Serial.println( String("prepareJSONChunk: too much data in the message. Remove the last entry"));
if (1 == elementcount)
{
// Serial.println(String(F("prepareJSONChunk: Control ")) + String(control->id) + F(" is too large to be sent to the browser."));
// Serial.println(String(F("ERROR: prepareJSONChunk: value: ")) + control->value);
rootDoc.clear();
item = AllocateJsonObject(items);
control->MarshalErrorMessage(item);
elementcount = 0;
}
else
{
// Serial.println(String("prepareJSONChunk: Defering control: ") + String(control->id));
// Serial.println(String("prepareJSONChunk: elementcount: ") + String(elementcount));
items.remove(elementcount);
--elementcount;
}
// exit the loop
control = nullptr;
}
else if ((SingleControl) ||
(ControlIsFragmented) ||
(MaxMarshaledJsonSize < (EstimatedUsedMarshaledJsonSize + 100)))
{
// Serial.println("prepareJSONChunk: Doc is Full, Fragmented Control or Single Control. exit loop");
control = nullptr;
}
else
{
// Serial.println("prepareJSONChunk: Next Control");
control = control->next;
}
} // end while (control != nullptr)
} while (false);
#ifdef ESP32
xSemaphoreGive(ESPUI.ControlsSemaphore);
#endif // def ESP32
// Serial.println(String("prepareJSONChunk: END: elementcount: ") + String(elementcount));
return elementcount;
}
/*
Convert & Transfer Arduino elements to JSON elements. This function sends a chunk of
JSON describing the controls of the UI, starting from the control at index startidx.
@ -492,7 +285,7 @@ bool ESPUIclient::SendControlsToClient(uint16_t startidx, ClientUpdateType_t Tra
break;
}
else if ((startidx >= ESPUI.controlCount) && (emptyString.equals(FragmentRequest)))
else if ((startidx >= ESPUIcontrolMgr.GetControlCount()) && (emptyString.equals(FragmentRequest)))
{
// Serial.println(F("ERROR:ESPUIclient:SendControlsToClient: No more controls to send."));
Response = true;
@ -514,7 +307,7 @@ bool ESPUIclient::SendControlsToClient(uint16_t startidx, ClientUpdateType_t Tra
// Serial.println(String("ESPUIclient:SendControlsToClient:type: ") + String((uint32_t)document["type"]));
// Serial.println("ESPUIclient:SendControlsToClient: Build Controls.");
if(prepareJSONChunk(startidx, document, ClientUpdateType_t::UpdateNeeded == TransferMode, FragmentRequest))
if(ESPUIcontrolMgr.prepareJSONChunk(startidx, document, ClientUpdateType_t::UpdateNeeded == TransferMode, FragmentRequest, CurrentSyncID))
{
#if defined(DEBUG_ESPUI)
if (ESPUI.verbosity >= Verbosity::VerboseJSON)

1
src/ESPUIclient.h
View File

@ -44,7 +44,6 @@ protected:
bool CanSend();
void FillInHeader(ArduinoJson::JsonDocument& document);
uint32_t prepareJSONChunk(uint16_t startindex, JsonDocument& rootDoc, bool InUpdateMode, String value);
bool SendControlsToClient(uint16_t startidx, ClientUpdateType_t TransferMode, String FragmentRequest);
bool SendClientNotification(ClientUpdateType_t value);