101 lines
4.8 KiB
C++
101 lines
4.8 KiB
C++
#include <ESPMegaDisplayOTA.hpp>
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ESPMegaDisplayOTA::ESPMegaDisplayOTA() {
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}
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void ESPMegaDisplayOTA::begin(const char* base_path, ESPMegaDisplay *display, ESPMegaWebServer *webServer) {
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this->display = display;
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this->webServer = webServer;
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this->server = webServer->getServer();
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this->base_path = base_path;
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char ota_begin_path[100];
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char ota_write_path[100];
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char ota_end_path[100];
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char ota_page_path[100];
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sprintf(ota_begin_path, "%s/ota/begin", base_path);
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sprintf(ota_write_path, "%s/ota/write", base_path);
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sprintf(ota_end_path, "%s/ota/end", base_path);
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sprintf(ota_page_path, "%s/index.html", base_path);
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this->otaUpdateBeginWebHandler = new AsyncCallbackJsonWebHandler(ota_begin_path, std::bind(&ESPMegaDisplayOTA::otaUpdateBeginHandler, this, std::placeholders::_1, std::placeholders::_2));
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this->otaUpdateWriteWebHandler = new AsyncCallbackJsonWebHandler(ota_write_path, std::bind(&ESPMegaDisplayOTA::otaUpdateWriteHandler, this, std::placeholders::_1, std::placeholders::_2), 8192U);
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this->otaUpdateEndWebHandler = new AsyncCallbackJsonWebHandler(ota_end_path, std::bind(&ESPMegaDisplayOTA::otaUpdateEndHandler, this, std::placeholders::_1, std::placeholders::_2));
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this->server->addHandler(this->otaUpdateBeginWebHandler);
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this->server->addHandler(this->otaUpdateWriteWebHandler);
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this->server->addHandler(this->otaUpdateEndWebHandler);
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this->server->on(ota_page_path, HTTP_GET, std::bind(&ESPMegaDisplayOTA::displayWebPageHandler, this, std::placeholders::_1));
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}
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void ESPMegaDisplayOTA::otaUpdateBeginHandler(AsyncWebServerRequest *request, JsonVariant &json) {
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this->webServer->checkAuthentication(request);
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// The content type of the request is application/json
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// The body of the request is a JSON object with the following field:
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// - size: the size of the update
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// Parse the JSON object
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JsonObject content = json.as<JsonObject>();
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// Check if the size field is present
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if(!content.containsKey("size"))
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return;
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// Get the size field
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this->updateSize = content["size"].as<size_t>();
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// Begin the update
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if(!this->display->beginUpdate(this->updateSize)) {
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// If the update cannot be started, return an error
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request->send(500, "application/json", "{\"status\": \"error\"}");
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} else {
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// If the update can be started, return a success
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request->send(200, "application/json", "{\"status\": \"success\"}");
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}
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}
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void ESPMegaDisplayOTA::otaUpdateWriteHandler(AsyncWebServerRequest *request, JsonVariant &json) {
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this->webServer->checkAuthentication(request);
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// The content type of the request is application/json
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// The body of the request is a JSON object with the following field:
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// - size: the size of the update in bytes
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// - data: the data to write
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//Parse the JSON object
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JsonObject content = json.as<JsonObject>();
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// // Check if the size and data fields are present
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// Serial.println("Checking if size and data fields are present");
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// if(!content.containsKey("size") || !content.containsKey("data"))
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// Serial.println("Size or data field is missing");
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// request->send(500, "application/json", "{\"status\": \"error\", \"message\": \"The size or data field is missing\"}");
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// return;
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// Serial.println("Size and data fields are present, getting size");
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// Get the size field
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size_t size = content["size"].as<size_t>();
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if(size>4096) {
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// If the size is greater than 4096 bytes, return an error
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request->send(500, "application/json", "{\"status\": \"error\", \"message\": \"The size of the update is too big\"}");
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return;
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}
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// Get the data field
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JsonArray data = content["data"].as<JsonArray>();
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if(this->updateProgress+size>this->updateSize) {
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// If the update is too big, return an error
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request->send(500, "application/json", "{\"status\": \"error\", \"message\": \"The update chunk is too big\"}");
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return;
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}
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// Convert JsonArray to uint8_t*
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uint8_t data_array[4096];
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for(size_t i=0; i<size; i++) {
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data_array[i] = data[i].as<uint8_t>();
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}
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// Write the data to the display
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display->writeUpdate(data_array, size);
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request->send(200, "application/json", "{\"status\": \"success\",\"bytes_written\": "+String(this->display->getUpdateBytesWritten())+"}");
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}
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void ESPMegaDisplayOTA::otaUpdateEndHandler(AsyncWebServerRequest *request, JsonVariant &json) {
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this->webServer->checkAuthentication(request);
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display->endUpdate();
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request->send(200, "application/json", "{\"status\": \"success\"}");
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esp_restart();
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}
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void ESPMegaDisplayOTA::displayWebPageHandler(AsyncWebServerRequest *request) {
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this->webServer->checkAuthentication(request);
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request->send_P(200, "text/html", display_html);
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} |