C++ (Cpp) ESP8266WebServer::streamFile Examples

Example #1

File: WebServer.cpp Project: SWITCHSCIENCE/samplecodes

bool loadFromSdCard(String path){
  String dataType = "text/plain";
  if(path.endsWith("/")) path += "index.htm";

  if(path.endsWith(".src")) path = path.substring(0, path.lastIndexOf("."));
  else if(path.endsWith(".htm")) dataType = "text/html";
  else if(path.endsWith(".css")) dataType = "text/css";
  else if(path.endsWith(".js")) dataType = "application/javascript";
  else if(path.endsWith(".png")) dataType = "image/png";
  else if(path.endsWith(".gif")) dataType = "image/gif";
  else if(path.endsWith(".jpg")) dataType = "image/jpeg";
  else if(path.endsWith(".ico")) dataType = "image/x-icon";
  else if(path.endsWith(".xml")) dataType = "text/xml";
  else if(path.endsWith(".pdf")) dataType = "application/pdf";
  else if(path.endsWith(".zip")) dataType = "application/zip";

  File dataFile = SD.open(path.c_str());
  if(dataFile.isDirectory()){
    path += "/index.htm";
    dataType = "text/html";
    dataFile = SD.open(path.c_str());
  }

  if (!dataFile)
    return false;

  if (server.hasArg("download")) dataType = "application/octet-stream";

  if (server.streamFile(dataFile, dataType) != dataFile.size()) {
    DBG_OUTPUT_PORT.println("Sent less data than expected!");
  }

  dataFile.close();
  return true;
}

Example #2

File: MyRequestHandler.cpp Project: Dynatrace/ufo

bool  MyFunctionRequestHandler::handleStatic(ESP8266WebServer& server, String& actualUrl, const __FlashStringHelper* url, const __FlashStringHelper* staticFile, const __FlashStringHelper* contentType, bool mayCache){
  if (actualUrl.equals(String(url))){
    File file = SPIFFS.open(String(staticFile), String(F("r")).c_str());
    if (file){
      if (!mayCache){
        server.sendHeader(F("Cache-Control"), F("private, max-age=0, no-cache, no-store"));
      }
      server.streamFile(file, contentType);
      //server.send(200, String(F("text/html")).c_str());
      //server.client().write(file, 100);
      file.close();
      return true;
    }
  }

  return false;
}

Example #3

File: multiswitch.cpp Project: gordonthree/multiswitch

bool loadFromSpiffs(String path){
  String dataType = "text/plain";
  if(path.endsWith("/")) path += "index.html";

  if(path.endsWith(".src")) path = path.substring(0, path.lastIndexOf("."));
  else if(path.endsWith(".htm")) dataType = "text/html";
  else if(path.endsWith(".html")) dataType = "text/html";
  else if(path.endsWith(".css")) dataType = "text/css";
  else if(path.endsWith(".js")) dataType = "application/javascript";
  else if(path.endsWith(".png")) dataType = "image/png";
  else if(path.endsWith(".gif")) dataType = "image/gif";
  else if(path.endsWith(".jpg")) dataType = "image/jpeg";
  else if(path.endsWith(".ico")) dataType = "image/x-icon";
  else if(path.endsWith(".xml")) dataType = "text/xml";
  else if(path.endsWith(".pdf")) dataType = "application/pdf";
  else if(path.endsWith(".zip")) dataType = "application/zip";
  File dataFile = SPIFFS.open(path.c_str(), "r");
  if (httpd.hasArg("download")) dataType = "application/octet-stream";
  if (httpd.streamFile(dataFile, dataType) != dataFile.size()) {
  }

  dataFile.close();
  return true;
}