boolean OTAUpdateClass::downloadFile(const char* name) { // make some http requests to check for firmware updates LGPRSClient c; uint8_t buffer[DIGEST_SIZE_BUFFER]; int n , size, max_millis; // download the firmware if(!c.connect(this->host, 80)) { DEBUG_UPDATE("OTAUpdate::downloadFile - error connecting to update host\r\n"); return false; } // connected... send the get request DEBUG_UPDATE("OTAUpdate::downloadFile %s:80 'GET /%s/%s'\r\n", this->host, this->path, &name[4]); c.printf("GET /%s/%s\n", this->path, &name[4]); // save the result max_millis = millis() + 10000; LFlash.begin(); LFlash.remove((char*) name); LFile ota = LFlash.open(name, FILE_WRITE); ota.seek(0); size = 0; while(c.connected()) { int n = c.read(buffer, 1024); if(n > 0) { max_millis = millis() + 2000; ota.write(buffer, n); size += n; } else { if(millis() > max_millis) { DEBUG_UPDATE("OTAUpdate::downloadFile - timed out!\r\n"); c.stop(); ota.close(); return false; } else { delay(100); } } } c.stop(); ota.close(); DEBUG_UPDATE("OTAUpdate::downloadFile - done! got %d bytes\r\n", size); return size > 0; }
boolean OTAUpdateClass::downloadFile(const char* name) { // make some http requests to check for firmware updates LGPRSClient c; uint8_t buffer[DIGEST_SIZE_BUFFER]; int n , size, max_millis; char buff[256]; static char endofheader[5] ; boolean HTTPHeaderreached = false; char byc; //convert string to int String sthostport = this->port; unsigned int uinthostport = sthostport.toInt(); // download the firmware if(!c.connect(this->host, uinthostport)) { DEBUG_UPDATE("OTAUpdate::downloadFile - error connecting to update host\r\n"); return false; } // connected... send the get request DEBUG_UPDATE("OTAUpdate::downloadFile %s:%d 'GET /%s/%s'\r\n", this->host, uinthostport, this->path, &name[4]); sprintf(buff, "GET /%s/%s", this->path, &name[4]); c.print(buff); //c.printf("GET /%s/%s", this->path, &name[4]); c.println(" HTTP/1.1"); c.print("Host: "); c.println(this->host); c.println("Connection: close"); c.println(); // save the result max_millis = millis() + 10000; LFlash.begin(); LFlash.remove((char*) name); LFile ota = LFlash.open(name, FILE_WRITE); ota.seek(0); size = 0; // get data content of the file while(c.connected()) { //skip byte until end of HTTP Header if(HTTPHeaderreached == false) { // read byte byc = c.read(); if(byc > 0) { max_millis = millis() + 2000; // if HTTP header is not reached, read until find double CRLF Serial.print(byc); // proceed a right shift of the array for(int i = 0; i < 3; i++) { endofheader[i] = endofheader[i+1]; } // add last received char at the end of the array endofheader[3] = byc; //don't forget null caracter endofheader[4] = '\0'; // compare array with end of HTTP header key (double CRLF) if (strcmp("\r\n\r\n", endofheader ) == 0) { // return true DEBUG_UPDATE("OTAUpdate::downloadFile - end of HTTP header reached\r\n"); HTTPHeaderreached = true; } else { HTTPHeaderreached = false; } } else { if(millis() > max_millis) { DEBUG_UPDATE("OTAUpdate::downloadFile - timed out!\r\n"); c.stop(); ota.close(); return false; } else { delay(100); } } } else { int n = c.read(buffer, 1024); if(n > 0) { max_millis = millis() + 2000; ota.write(buffer, n); size += n; DEBUG_UPDATE("size = %d\r", size); } else { if(millis() > max_millis) { DEBUG_UPDATE("OTAUpdate::downloadFile - timed out!\r\n"); c.stop(); ota.close(); return false; } else { delay(100); } } } } c.stop(); ota.close(); DEBUG_UPDATE("\r\nOTAUpdate::downloadFile - done! got %d bytes\r\n", size); return size > 0; }