75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
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#include "FSUpdater.h"
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#include <ESP8266HTTPClient.h>
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#include <FS.h>
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void FSUpdater::freeMemory() {
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/*
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if (bom != NULL) free(bom);
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bom = NULL;
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*/
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if (bomBuffer != NULL) free(bomBuffer);
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bomBuffer = NULL;
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bomCounter = 0;
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errorMessage = String();
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}
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void FSUpdater::manageFsOtaBom(String payload) {
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freeMemory();
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//bom = malloc(sizeof(BomEntry) * MAX_FILES);
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bomBuffer = (char *) malloc(payload.length()+1);
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payload.toCharArray(bomBuffer, payload.length()+1);
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memset(bom, sizeof(BomEntry) * MAX_FILES_IN_BOM, 0);
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char *parsePtr = bomBuffer; // to start
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while (*parsePtr != 0) {
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bom[bomCounter].executionMark = *parsePtr;
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if (*parsePtr != ':') { errorMessage = String("Wrong seperation character ") + String(*parsePtr) + " at line " + String(bomCounter+1); return; }
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++parsePtr;
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bom[bomCounter].localFilename = parsePtr;
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while (*parsePtr != ':' && *parsePtr != 0) ++parsePtr;
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*parsePtr++ = 0; // End of string for localFilename
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char *size_string = parsePtr;
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while (*parsePtr != ':' && *parsePtr != 0) ++parsePtr;
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*parsePtr++ = 0; // End of string for localFilename
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bom[bomCounter].filesize = atol(size_string);
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bom[bomCounter].md5 = parsePtr;
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while (*parsePtr != ':' && *parsePtr != 0) ++parsePtr;
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*parsePtr++ = 0; // End of string for localFilename
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bom[bomCounter].remoteFilename = parsePtr;
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while (*parsePtr != ':' && *parsePtr != 0 && *parsePtr != '\n' && *parsePtr != '\r') ++parsePtr;
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*parsePtr++ = 0; // End of string for localFilename
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// skip trailing characters if these are seperators or end of line
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while (*parsePtr == ':' || *parsePtr == '\n' || *parsePtr == '\r' || *parsePtr == ' ') ++parsePtr;
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++bomCounter;
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if (bomCounter != MAX_FILES_IN_BOM) { errorMessage = "Too many files in BOM, max=" + String(MAX_FILES_IN_BOM); return; }
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}
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}
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void FSUpdater::checkForUpdates() {
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HTTPClient http;
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//http.begin("https://192.168.1.12/test.html", "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); //HTTPS
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http.begin(baseUrl + "/" + swVersion + "/bom"); //HTTP
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Serial.printf("[HTTP] GET %s/%s/bom", baseUrl.c_str(), swVersion.c_str());
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// start connection and send HTTP header
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int httpCode = http.GET();
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// httpCode will be negative on error
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if (httpCode > 0) {
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if (httpCode == HTTP_CODE_OK) {
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String payload = http.getString();
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manageFsOtaBom(payload);
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}
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} else {
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Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
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}
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http.end();
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}
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