HttpStreamedOutput.h

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#pragma once
 
#include "WiFi.h"
 
namespace tiny_dlna {
 
class HttpStreamedOutput {
 public:
  // provides the mime type
  virtual const char* mime() = 0;
 
  // checks if the client is valid
  virtual bool isValid(WiFiClient& client) = 0;
 
  // content that is written when the request is opened
  virtual void open(WiFiClient& client) = 0;
 
  // checks if we have any open clients
  virtual bool isOpen() = 0;
 
  // end processing by wr
  virtual void close() = 0;
 
  // write the content to the HttpStreamedMultiOutput
  virtual size_t write(uint8_t* content, int len) = 0;
 
  // writes a line
  virtual size_t print(const char* str) = 0;
 
  // writes a line which terminates with a html line break
  virtual size_t println(const char* str) = 0;
 
  // release memory
  virtual void cleanup() = 0;
 
  // actually we do nothing here - but some subclasses might
  virtual void doLoop() = 0;
};
 
}  // namespace tiny_dlna